The invention relates to a stretching device for monoaxial stretching of a film web in the transport direction thereof, the stretching device comprising: a first roll (holding roll), via which the film web can be guided and which rotates at a first circumferential speed; a second roll (stretching roll), which is arranged downstream of the first roll and via which the film web can be guided and which rotates at a second circumferential speed; wherein the second circumferential speed is greater than the first circumferential speed; wherein at least one clamping roll is provided, by means of which the film web can be pressed against one of the rolls. At least one holding assembly is provided, relative to which the clamping roll is rotatable, wherein the clamping roll is supported on the holding assembly by a support point extending over part of, in particular over more than a quarter of, the axial length, or by a plurality of support points distributed over the axial length of the clamping roll and/or the circumference of the clamping roll.
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
The invention relates to a blown film line for generating a blown film with at least one extruder for generating at least one melt strand, at least one distribution tool for converting the at least one melt strand into a circulating melt layer, an outlet nozzle for outputting the at least one melt layer, wherein this melt layer forms the blown film, and at least one device for subjecting the blown film to at least one fluid stream, in particular an air stream, for cooling the blown film. At least one pressure-providing device is furnished, with which the blown film may be brought to the device for subjecting the blown film to a fluid stream by means of at least one overpressure and/or one underpressure.
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
B29C 48/25 - Component parts, details or accessories; Auxiliary operations
B29C 48/49 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
B29C 48/88 - Thermal treatment of the stream of extruded material, e.g. cooling
B29C 48/885 - External treatment, e.g. by using air rings for cooling tubular films
The inventions describes a roller for guiding a film web and for subjecting the film web to an at least partially radially inwardly directed force, wherein openings are provided in the surface for applying the inwardly directed force, wherein the openings can be subjected at least partially to a negative pressure from a negative pressure source.
The inventions describes a roller for guiding a film web and for subjecting the film web to an at least partially radially inwardly directed force, wherein openings are provided in the surface for applying the inwardly directed force, wherein the openings can be subjected at least partially to a negative pressure from a negative pressure source.
For this purpose, at least one device for increasing the radially inwardly directed force and/or the roller are/is configured such that the film web is movable relative to the roller surface without damage being brought about on the film web.
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
B65H 23/188 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
4.
Method for Automatically Regulating the Size of a Slot of a Nozzle Assembly and Control and/or Regulation System
The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to a respective thermoelement, is arranged on the first nozzle lip, the thermoelements being controllable by the regulation in such a way that the slot can be adjusted by the action of a mechanical force from the respective adjusting element on the first nozzle lip, as a result of the expansion or contraction of the thermoelements. At least two adjusting elements are adjusted simultaneously. The invention further relates to a control and/or regulation system.
B29C 48/31 - Extrusion nozzles or dies having a wide opening, e.g. for forming sheets adjustable
B05B 1/04 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops in flat form, e.g. fan-like, sheet-like
B05B 1/32 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages in which a valve member forms part of the outlet opening
B29C 48/08 - Flat, e.g. panels flexible, e.g. films
Method for Producing Film from a Total Amount of Raw Materials Using a Film Extrusion Machine, and Computer Program Product for Carrying Out the Method
The invention relates to a method for producing a plastic film from a total amount of raw materials using a film extrusion machine. According to the invention, the method comprises the following steps:
detecting film parameters relating to desired properties of the plastic film,
detecting raw material parameters relating to properties of the raw materials,
grouping the raw material parameter into at least two raw material parameter groups,
forming correlations between raw material parameter groups,
forming correlations between film parameters and the raw material parameter groups based on a film production model,
detecting a selection of at least one raw material from at least one raw material parameter group,
calculating at least one production parameter of the film extrusion machine based on the film production model.
B29C 48/08 - Flat, e.g. panels flexible, e.g. films
6.
Method for Producing Film from a Total Quantity of Raw Materials Using a Film Extrusion Machine, and Computer Program Product for Carrying Out the Method
The invention relates to a method for producing a film from a total quantity of raw materials using an extrusion machine, comprising the following steps:
detecting machine parameters relating to properties and/or settings of at least one film extrusion machine,
detecting film parameters relating to desired properties of the film,
detecting raw material parameters relating to properties of the raw materials,
inputting the detected parameters in a film production model,
calculating a selection and/or an amount of raw materials from the total quantity of raw materials based on the detected parameters and the film production model,
outputting information relating to the selection and/or the amount of raw materials.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
Method for Producing a Plastic Film from a Total Quantity of Raw Materials in a Film Extrusion Machine, and Computer Program Product for Carrying Out the Method
The invention relates to a method for producing a plastic film from a total quantity of raw materials in a film extrusion machine. Said method according to the invention comprises the following steps:
providing a selection of raw materials from a total quantity of raw materials,
setting machine and production parameters of the film extrusion machine,
supplying the selection of raw materials to the film extrusion machine in a composition,
detecting at least one actual value of a property of the plastic film,
forming a difference between the actual value and a target value of the property,
changing the selection of raw materials and/or the composition of the raw materials, if the difference exceeds a threshold.
The invention describes an apparatus for separating a two-ply film web which can first be wound up at a winding point, wherein the two plies of the film web are first joined to one another via two side edges, wherein the apparatus comprises as features at least one and preferably two lengthwise slitting units, with which a lengthwise slit can be made into a first of the two plies of the two-ply film web, which are at a distance from side edges, so that the one ply is narrower than the two-ply film web, and at least one pressing element, which can be moved in the orthogonal direction of the plane defined by the two-ply film web, wherein the two plies of the two-ply film web can be spaced apart from one another, and which can be moved in the plane of the two-ply film web, but perpendicular to its longitudinal direction, so that the pressing element can be guided between the two plies of the two-ply film web.
The invention relates to a pouch-type bag made of paper having a first ply and a second ply, which are connected to one another on their lateral edges and form a filling space, wherein, at its closed end, the pouch-type bag comprises a block-type base or cross-type base and, at its open end via which the filling space can be filled, the lateral edges of the first and second plies terminate on the same plane, wherein at least one sheet is connected to the first ply, which sheet extends beyond the lateral edges of the first and second plies, wherein the sheet is arranged in particular on the side of the first ply facing away from the filling space.
The present invention relates to an apparatus for producing inline stretched tubular foils by the blowing process, having a blown foil system comprising an extruder, a blowing head, a cooling ring, a calibrating basket, a flat laying unit and a reversing turret haul-off, having a stretching system for monoaxially stretching the laid flat foil in the machine direction and with a first thinness control system which operates segmented control zones in the cooling ring to form thinness sections so that, during stretching, a foil is produced with a thickness profile having the smallest possible deviations from the medium foil thickness over the complete foil width. To increase the accuracy and speed of the first thinness section control system, a second thinness section control system is provided which controls two opposing heat sources between the calibrating basket and the flat laying unit and which can be connected to the first thinness section control system.
The invention describes a feeding device for feeding fluff and granules into an extruder
having a supplying apparatus with an outlet-side pipe piece for the granules, with which the granules can be fed while forming a granule column, wherein the pipe piece is connected to an inlet opening of the extruder,
having a funnel with a funnel outlet for supplying fluff, wherein an auger is provided within the funnel for conveying fluff, which projects through the funnel outlet and into the pipe piece, wherein the fluff is conveyable within the granule column.
The invention describes a feeding device for feeding fluff and granules into an extruder
having a supplying apparatus with an outlet-side pipe piece for the granules, with which the granules can be fed while forming a granule column, wherein the pipe piece is connected to an inlet opening of the extruder,
having a funnel with a funnel outlet for supplying fluff, wherein an auger is provided within the funnel for conveying fluff, which projects through the funnel outlet and into the pipe piece, wherein the fluff is conveyable within the granule column.
The auger is configured in order to also convey parts of the granules and/or to compact the fluff.
The invention relates to a method for automated error management in a printing machine, wherein a recurring print image is imprinted on a moving material web. To improve automated error management for existing inspection systems, a method is provided wherein the print image is acquired by a line scan camera and forwarded to a control unit, in which a print error is recognized in the acquired print image, using an error recognition algorithm, and forwarded by the control unit to an error type database together with characteristics information. The error type database outputs the error type of the recognized print error in an implementation phase, the error type database having been trained by a plurality of operators in a training phase.
The invention relates to a method for automated error management in a printing machine, wherein a recurring print image is imprinted on a moving material web. To improve automated error management for existing inspection systems, the invention provides a method wherein the print image is acquired by a line scan camera and forwarded to a control unit, in which a print error is recognized in the acquired print image, using an error recognition algorithm, and is saved by the control unit together with a position information and a status information. The position includes at least the margin position of the print error on the material web, and a plurality of recognized print errors are entered by the control unit in a cluster image depending on the position information and the status information, wherein the control unit recognizes an error cluster and error cluster information is output via the error cluster.
The invention relates to a method for a model-based determination for processing an order inquiry (AA) by means of a production model (PM) of a film extrusion line (10), comprising the following steps:
Capture at least one model parameter (MP) in the form of an output parameter (AP) of the production model (MP) to capture a requested film product property of the order inquiry (AA),
Forming a parameter relationship between the detected at least one output parameter (AP) and at least one model parameter (MP) in the form of an input parameter (EP) of the production model (PM) for determining a production situation of the film extrusion line (10),
Generating at least one input parameter (EP) of the production model (PM) based on the formed parameter relationship as a default for a production process on the film extrusion line (10).
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
15.
Method for automated error management in a printing machine
The invention relates to a method for automated error management in a printing machine, in which a recurring print image is imprinted on a moving material web.
To improve automated error management for existing inspection systems, a method is provided in which an inspection of the moving material web is controlled by a control unit and a function switch, the function switch being switchable at least between a first function mode and a second function mode, and in which the print image is acquired by a first inspection unit in the first function mode and forwarded to the control unit, and in which the print image is acquired by a second inspection unit in the second function mode and forwarded to the control unit.
The invention relates to a method for a model-based determination of model parameters (MP) of a production model (PM) of a film extrusion line (10), comprising the following steps:
Detection of at least two model parameters (MP) in the form of input parameters (EP) of the production model (PM) for detecting a production situation of the film extrusion line (10) and/or in the form of output parameters (AP) of the production model (PM) for detecting a film product situation of the film extrusion line (10),
Forming a parameter relationship between the acquired model parameters (MP) by means of the production model (PM),
Determining at least one further model parameter (MP) in the form of a non-detected input parameter (EP) and/or a non-detected output parameter (AP) of the production model (PM).
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
17.
CONTROL METHOD FOR CONTROLLING AT LEAST A PART OF A PRODUCTION PROCESS OF A FILM EXTRUSION LINE
The invention relates to a control method for controlling at least part of a production process of a film extrusion line (10) by means of a production model (PM), comprising the following steps:
Acquisition of at least one model parameter (MP) in the form of an output parameter (AP) of the production model (PM) for the acquisition of a film product situation,
Determining a difference value (DW) between the at least one sensed output parameter (AP) and a correlating set point (OW),
Forming a parameter relationship between the determined difference value (DW) and at least one model parameter (MP) in the form of an input parameter (EP) of the production model (PM),
Generating at least one control value (TW) as a default for the at least one input parameter (EP) of the formed parameter relationship.
The invention describes a bag (300) having a first wall and a second wall that comprise paper and that are connected to one another by lateral edges such that a fill space is provided, wherein the second wall projects above the first wall as seen in the longitudinal direction of the bag, and having two ends, wherein a bottom is arranged on one end and an opening is provided on the other end, through which the fill space is accessible, wherein the bottom comprises at least one folding region of the second wall, wherein the folding region is folded over at least parts of the first wall about a crease line, and having at least one handle opening (109, 109′).
The invention describes a bag (300) having a first wall and a second wall that comprise paper and that are connected to one another by lateral edges such that a fill space is provided, wherein the second wall projects above the first wall as seen in the longitudinal direction of the bag, and having two ends, wherein a bottom is arranged on one end and an opening is provided on the other end, through which the fill space is accessible, wherein the bottom comprises at least one folding region of the second wall, wherein the folding region is folded over at least parts of the first wall about a crease line, and having at least one handle opening (109, 109′).
The invention is characterized by the handle opening (109, 109′) through which the second wall reaches outside of the folding region and through the folding region.
The invention relates to a changing device (10) for a changing of a flat film machine (100) from a feed product (EP) to a follow-on product (FP), comprising a sensor module (20) for acquiring at least one production parameter (PP) of the flat film machine (100) and an adjusting module (30) for a controlled change of this acquired at least one production parameter (PP), further comprising a controlling module (40) for controlling the adjusting module (30) for an optimized changing time (TU) for the acquired at least one production parameter (PP) from the feed product (EP) to the follow-on product (FP).
The invention describes a pouch-type bag, with a first wall and with a second wall, which comprise paper and which are connected to one another via side edges, so that a filling space is provided, wherein the second wall, viewed in the longitudinal direction of the pouch, protrudes beyond the first wall, with two ends, wherein a base is arranged at one end, which base comprises at least one envelope area of the second wall, wherein the envelope area is folded over about a first crease line at least onto parts of the first wall, wherein an opening is provided at the other end, via which opening the filling space is accessible, wherein one of the walls comprises a sealing area which can be folded over about a second crease line onto the outside of the other wall and can be fastened there by means of an adhesive element applied to the sealing area.
The invention describes a pouch-type bag, with a first wall and with a second wall, which comprise paper and which are connected to one another via side edges, so that a filling space is provided, wherein the second wall, viewed in the longitudinal direction of the pouch, protrudes beyond the first wall, with two ends, wherein a base is arranged at one end, which base comprises at least one envelope area of the second wall, wherein the envelope area is folded over about a first crease line at least onto parts of the first wall, wherein an opening is provided at the other end, via which opening the filling space is accessible, wherein one of the walls comprises a sealing area which can be folded over about a second crease line onto the outside of the other wall and can be fastened there by means of an adhesive element applied to the sealing area.
The sealing area comprises a tear-off aid between the second crease line and the adhesive element, with which the sealing area can be at least partially severed to allow renewed access to the filling space.
The invention relates to a method for a model-based optimization of a film product during a production on a film extrusion line (10) by means of a production model (PM) of the film extrusion line (10), comprising the following steps:
Acquisition of at least two model parameters (MP) in the form of input parameters (EP) of the production model (PM) for predicting a production situation of the film extrusion line (10) and/or in the form of at least two model parameters (MP) in the form of output parameters (AP) of the production model (PM) for predicting a film product situation of the film extrusion line (10),
Forming a parameter relationship between the acquired model parameters (MP) by means of the production model (PM),
Prioritize at least one model parameter (MP) of the production model (PM) for optimization,
Modifying at least one non-prioritized model parameter (MP) of the production model (PM) based on the formed parameter relationship to optimize the prioritized model parameter (MP).
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
23.
METHOD FOR CHANGING THE MATERIAL IN AN EXTRUSION DEVICE
The present invention relates to a method for changing material in an extrusion device comprising at least two supply devices for supplying feedstock for an extruder, comprising the following steps:
identifying a change request for changing the material in the extrusion device,
preparing the supply devices for changing the material,
separating at least two supply devices from the feed of feedstock to the extruder,
discharging feedstock from the separated supply devices,
filling subsequent material into the empty supply devices.
The invention relates to a blown film system for producing a film tube made of plastics material, comprising: an annular nozzle, out of which a plastic melt having a closed cross-section can be brought; a take-up device, by means of which the plastic melt can be drawn up from the direction of the annular nozzle so as to form the film tube; an air-provision device, which is downstream of the annular nozzle when viewed in the transport direction of the film tube and by means of which an amount of air can be provided; and a calibration device, which is downstream of the annular nozzle when viewed in the transport direction of the film tube and surrounds the film tube and by means of which the outer circumference of the film tube can be delimited. At least one detector is contained that has a plurality of detection elements, by means of which electromagnetic radiation emitted or reflected at various points of the film tube can be detected, such that at least one planar region and/or contoured region of the film tube can be detected with regard to characteristic properties, wherein the detector comprises at least 32 detection elements.
B29C 48/90 - Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
B29C 48/32 - Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
The invention relates to a stretching device for stretching a plastic film in the transport direction thereof, having a first roll, which can be driven by a first drive and can be rotated at a first rotational speed, and having a second roll, which can be driven by a second drive and can be rotated at a second rotational speed, wherein the second rotational speed is greater than the first rotational speed, and the second roll is arranged downstream of the first roll in the transport path of the plastic film, wherein at least one of the rolls is a roll through which air can flow inwards from the outside. According to the invention at least one roll through which air can flow can be continuously cleaned.
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
B29C 48/08 - Flat, e.g. panels flexible, e.g. films
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
26.
Stretching Device and Method for Stretching a Plastic Film in the Transport Direction Thereof
The invention describes a stretching device for stretching a plastic film in its transport direction, having a first roller that can be driven by a first drive and can be rotated at a first rotational speed, and having a second roller that can be driven by a second drive and can be rotated at a second rotational speed, the second rotational speed being greater than the first rotational speed, the second roller being arranged downstream of the first roller in the transport path of the plastic film.
The invention describes a stretching device for stretching a plastic film in its transport direction, having a first roller that can be driven by a first drive and can be rotated at a first rotational speed, and having a second roller that can be driven by a second drive and can be rotated at a second rotational speed, the second rotational speed being greater than the first rotational speed, the second roller being arranged downstream of the first roller in the transport path of the plastic film.
The device is characterized by means of varying the amount of air between the plastic film and flat elements of the first roller and/or the second roller on which the film rests.
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
The invention relates to a printing machine with hybrid printing technology for printing on a continuous material web. In order to create a printing machine with hybrid printing technology which is adaptable and flexible in use in the course of the current trend for digitization, the printing machine with according to the invention, hybrid printing technology for printing a continuous material web, is a printing machine with a rotating central cylinder, on the surface of which the material web is guided from a placement point to a separation point for printing; a plurality of inking units for digital printing of the material web are arranged in the region of an upper half of the central cylinder, and a plurality of inking units for flexographic printing of the material web are arranged in the region of a lower half of the central cylinder; an unwinding station is provided for unwinding the material web to be printed from a roll and a winding station is provided for winding the printed material web onto a roll, the unwinding station and the winding station being arranged on a first side of the central cylinder, with supply guide rollers for feeding the material web unwound from the unwinding station to the central cylinder and with discharge guide rollers for discharging the printed material web from the central cylinder to the winding station; the feed guide rollers and the discharge guide rollers being arranged on a second side of the central cylinder, with a feed guide roller for placing the material web onto the central cylinder at the placement point and a strip guide roller for detaching the material web from the central cylinder, the feed guide roller and the strip guide roller being designed in such a way that the placement point and the separation point are arranged on the lower quadrant of the central cylinder.
B41F 5/24 - Rotary letterpress machines for flexographic printing
B41F 5/18 - Rotary letterpress machines for printing on webs for multicolour printing using one impression cylinder co-operating with several forme cylinders
B41F 19/00 - Apparatus or machines for carrying out printing operations combined with other operations
B41F 23/08 - Print-finishing devices, e.g. for glossing prints
B41J 3/54 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B41J 15/16 - Means for tensioning or winding the web
28.
Blown Foil System and Method for Producing a Foil Web
The invention describes a blown foil system for producing a foil web with at least one extruder for providing a melt-like plastic, a blowing head with a circumferential die gap, with which the melt-like plastic can be transformed into a foil bubble emerging from the die gap, with at least one liquid cooling device for cooling the foil bubble, wherein a liquid can be supplied to the outer periphery and/or to the inner periphery of the foil bubble by means of the liquid cooling device, with a flat laying device by means of which the foil bubble can be formed into a double-layer foil web, wherein the two layers are in contact at least partially and in particular substantially over the full surface, and with at least one stretch unit for stretching the foil web in the longitudinal direction.
The invention relates to a winding apparatus for winding a material web traveling in a direction of travel, having at least one blade for cutting the material web in a web direction into a plurality of partial material webs, and having a folding apparatus for folding the edges of the partial material webs. To furnish a winding apparatus that enables a material web with folded edges to be wound with as little wrinkling as possible, a folding element is furnished for each edge of the partial material webs. The at least one blade may be moved transversely to the direction of travel using a first oscillating apparatus. Using a second oscillating apparatus, the folding elements for the left-hand edges of the partial material webs, as viewed in the direction of travel, may be moved transversely to the direction of travel. Using a third oscillating apparatus, the folding elements for the right-hand edges of the partial material webs, as viewed in the direction of travel, may be moved transversely to the direction of travel. The first oscillating apparatus, second oscillating apparatus and third oscillating apparatus may be controlled by a control unit in such a manner that the folded edges of the partial material webs may be wound at an offset to one another.
B26D 1/06 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
B26D 5/06 - Means for moving the cutting member into its operative position for cutting by electrical means
B65H 18/10 - Mechanisms in which power is applied to web-roll spindle
B65H 45/22 - Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
30.
System for the improved introduction of a separating device and blown film line, as well as a method for the production and supply of at least two plastic film webs in a blown film line
The invention relates to a system (10) for improved introduction of a separating device (40) into a flattened film tube (2) of a blown film line (1), with a cutting device (20) for severing only a first tube side (2.1) of the film tube (2), in particular the film tube (2) which has not yet been flattened.
Furthermore, the invention relates to a blown film line (1), as well as a method (100) for producing and providing at least two film webs (6).
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
B26D 1/02 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
B29C 48/25 - Component parts, details or accessories; Auxiliary operations
B29C 48/28 - Storing of extruded material, e.g. by winding up or stacking
The invention relates to a system (10) for transporting a film tube (2) in a blown film line (1) along a transport direction, having a guiding unit (51) for guiding the film tube (2), a bottleneck (13.1) at which a width (2.3) of the film tube (2) can be reduced, a severing apparatus (20) having at least one severing element (21) for severing the film tube (2), wherein the guiding unit (51) is arranged downstream of the bottleneck (13.1) in the transport direction of the film tube (2). The invention furthermore relates to a blown film line (1) and to a method (100) for producing a film.
B26D 1/02 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member
32.
Method for Calibrating Adjusting Means for Adjusting a Nozzle Slot of a Discharge Nozzle for a Film Track on a Flat Film Machine
The invention relates to a method for calibrating adjusting means (120) for adjusting a nozzle slot (112) of a discharge nozzle (110) for a film track (FB) on a flat film machine (100), comprising the following steps:
specifying a calibration position (KP) for the adjusting means (120),
performing a controlling intervention to change the adjusting position (SP) of the adjusting means (120),
acquiring the reaching of the calibration position (KP) of the adjusting means (120).
The invention relates to a method for winding up a film web, which is created in particular on a film production system, on at least one winding reel, wherein quality features of the winding reel (100) are determined. In order to determine quality features of the winding reel, at least the following steps are carried out: taking out measurements on the winding reel (100) and providing measurement values for the measurements; and filtering out at least one item of characteristic data from the measurement values.
The invention relates to a method for successively winding a film web onto a plurality of spools, wherein the film web is wound to form a first spool, and a tube and/or winding shaft for forming a subsequent second spool and the film web are moved closer to one another and/or are brought into contact with one another upstream of the first spool. The film web is cut, and thus an end of the film web is produced, with end is wound onto the first spool, and a new start of the file web is produced, which is wound onto the second tube. In order to cut the film web, the film web is cut partially in the transverse direction, at least one cut edge and at least one uncut region remaining in the transverse direction, the uncut region being subsequently torn off or cut off.
B65H 19/26 - Cutting-off the web running to the wound web roll
B65H 35/00 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
B65H 35/10 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with devices for breaking partially-cut or perforated webs, e.g. bursters
36.
Method and device for controlling a thickness profile of a film web
generating at least one controlling intervention for the adjustment of at least one adjusting means (120) in an intervention section (EA) different from the deviation section (AA).
The invention relates to an adjusting device (10) for controlling a discharge thickness (AD) of a nozzle discharge slot (110) of a flat film machine (100), comprising a plurality of adjusting bolts (20) for carrying out an adjusting movement for changing the discharge thickness (AD), wherein the adjusting bolts (20) comprise an adjusting region (SB) between a closing end position (SE) and an opening end position (OE), wherein further starting from the opening end position (OE), the adjusting region (SB) comprises a basic stroke path (BH) for a basic adjustment of the discharge thickness (AD) and, starting from the closing end position (SE), comprises a process stroke path (PH) for process controlling of the discharge thickness (AD).
The invention relates to a method of controlling an edge section (RA) of a film track (FB) in a flat film machine (100), comprising the following steps:
acquiring a thickness profile (DP) in at least one edge section (RA) of the film track (FB) in a transverse direction (QR) transverse to the production direction (PR) of the film track (FB),
comparing at least a partial section of the acquired thickness profile (DP) of the edge section (RA) with a preset profile (VP),
determining a profile deviation (PA) as a result of the comparison,
performing a controlling intervention on the flat film machine (100) based on the determined profile deviation (PA).
The invention describes a sleeve for sliding onto and removing from a winding shaft, which comprises a one-piece workpiece defining a cylinder, which workpiece comprises two edge regions each having an edge, the edge regions overlapping one another, the sleeve having a first diameter in a relaxed state, the sleeve in a clamped state having a second diameter which is different from the first diameter, the sleeve in the clamped state experiencing an elastic deformation as compared to the relaxed state.
The invention relates to an apparatus for producing tubular films stretched in-line by blow molding with an extruder, a film blowing line, a lay-flat unit, an oscillating haul-off unit, and a stretching line for monoaxially stretching the film laid flat in machine direction. According to the invention, the stretching line is arranged above the extruder between the lay-flat unit and the oscillating haul-off unit.
generating a control signal (SS) for a defined variation of the at least one control variable (SG) of the flat film machine (100) from the feed control value (ES) to the follow-on control value (FS).
B29C 48/31 - Extrusion nozzles or dies having a wide opening, e.g. for forming sheets adjustable
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
B29C 48/08 - Flat, e.g. panels flexible, e.g. films
B29C 48/25 - Component parts, details or accessories; Auxiliary operations
The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to a respective thermoelement, is arranged on the first nozzle lip, the thermoelements being controllable by the regulation in such a way that the slot can be adjusted by the action of a mechanical force from the respective adjusting element on the first nozzle lip, as a result of the expansion or contraction of the thermoelements. At an initial operation of the nozzle assembly for conveying the melt, the adjusting elements for subsequent regulation of the slot size are set uniquely free from play as the initial setting. The invention further relates to a control and/or regulation system.
The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, which are coupled to a respective thermoelement, is arranged at the first nozzle lip, wherein the thermoelements are controllable by the regulation in such a way that the slot adjustment can be realized by the action of a mechanical force from the respective adjusting element on the first nozzle lip as a result of an expansion or contraction of the thermoelements. An adjustment of the adjusting elements is carried out automatically based on measurement signals of at least one sensor, wherein the sensor is designed and/or arranged at the nozzle assembly in such a way that conclusions can be drawn about the thickness profile of the melt. The right-hand and left-hand edge region of the melt is monitored by means of the sensor and is controlled or regulated in such a way that the respective edge region is set by adjusting the adjusting elements depending on the material, in particular viscosity and/or viscoelasticity, and/or quality criteria and/or a conveying speed. The invention further relates to a control and/or regulation system.
B29C 48/31 - Extrusion nozzles or dies having a wide opening, e.g. for forming sheets adjustable
B05B 1/32 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages in which a valve member forms part of the outlet opening
B05B 1/02 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops
B29C 48/08 - Flat, e.g. panels flexible, e.g. films
The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to a respective thermoelement, is arranged on the first nozzle lip, the thermoelements being controllable by the regulation in such a way that the slot can be adjusted by the action of a mechanical force from the respective adjusting element on the first nozzle lip, as a result of the expansion or contraction of the thermoelements. At least two adjusting elements are adjusted simultaneously. The invention further relates to a control and/or regulation system.
B29C 48/31 - Extrusion nozzles or dies having a wide opening, e.g. for forming sheets adjustable
B05B 1/04 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops in flat form, e.g. fan-like, sheet-like
B05B 1/32 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages in which a valve member forms part of the outlet opening
B29C 48/08 - Flat, e.g. panels flexible, e.g. films
The invention relates to a filling device for filling bags with a respective unsealed upper end and at least two layers lying on top of one another. A filling station for filling the bags in characterised in that the filling device comprises at least one layer movement device (30) for moving the at least one layer of the bag relative to the at least one second layer, with which the layers of the bag can be acted upon, wherein the layer movement device is arranged in front of the filling station.
B65B 43/30 - Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
B65B 43/12 - Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
B65B 39/10 - Nozzles, funnels or guides for introducing articles or materials into containers or wrappers adapted to support containers or wrappers by means of clamps operating automatically
B65B 43/36 - Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure applied pneumatically
B65B 43/46 - Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
48.
Filling device and method for filling upwardly open packaging containers, and form-fill-seal device
The invention describes a filling device with a discharge container for filling upwardly open packaging containers with at least one opening flap for opening and closing a discharge opening for the product, the opening flap being moveable along a path between a closed position and an open position by means of a driving element.
At least one delay device is provided by means of which the movement of the opening flap may be delayed on a section of the path.
B65B 43/30 - Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
B65B 1/02 - Machines characterised by the incorporation of means for making the containers or receptacles
B65B 1/32 - Devices or methods for controlling or determining the quantity or quality of the material fed or filled by weighing
B65B 39/00 - Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
B65B 43/54 - Means for supporting containers or receptacles during the filling operation
B65B 57/14 - Automatic control, checking, warning or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
The invention relates to a method (100) for controlling film production, in which at least one film is produced according to at least one formula information (R), the following steps being carried out: initiation of execution (210) of a film production process such that a film is produced on the basis of a specific formulation information (R); determination of monitoring information (I) during the execution (210) of the process; determination of at least one fingerprint (F) on the basis of the specific formula information (R) and on the basis of the monitoring information (I) such that the execution (210) of the process is characterised on the basis of the fingerprint (F); and comparison of the fingerprint (F) with a control matrix (M) such that at least one comparative result is determined in order to control the film production on the basis of the control matrix (M) as an evaluation basis.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
50.
Breathable thermoplastic film with reduced shrinkage
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
The invention relates to a valve bag, in particular a cross-bottom valve bag, comprising a first wall and a second wall, which are joined to each other by means of side edges or side folds and by means of bottoms and which delimit a bag interior, comprising a valve, which is arranged in one of the bottoms and via which the bag interior can be filled with a filling material, and comprising venting openings in the first and/or in the second wall for venting the bag interior. At least one channel is provided on the outside of at least one wall, which channel covers the venting openings and is formed at least by two parallel fastening strips and by a cover strip, the cover strip likewise comprising venting openings, and wherein the shortest path between the parallel fastening strips along the cover strip is longer than the shortest path along the at least one wall or the cover strip, and/or the parallel fastening strips consist of stretchable material.
The present invention relates to a device (1) for automatically cutting a material web (2) with a longitudinal cutting device (60) using a material web (2) in a longitudinal direction (L) separable in at least a partial web (3) and/or at least a remaining web (4), a discharging device (10) for automatically discharging the produced remaining web (4), a transverse cutting device (70) downstream of a longitudinal cutting device (60) for cutting the remaining web (4) transversely to the longitudinal direction (L).
B65H 20/14 - Advancing webs by direct action on web of moving fluid
B65H 35/02 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
B26D 7/14 - Means for treating work or cutting member to facilitate cutting by tensioning the work
B26D 7/18 - Means for removing cut-out material or waste
B26D 9/00 - Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
B65H 35/04 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
storing the fingerprints (F) and result information (E) as data in a data system (200) so that the data is provided as a basis for evaluation for controlling at least one subsequent method execution (210).
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
54.
Method for performing a material change in a feeding device of an extruder
A method changes the material from a feed mixture to a subsequent mixture in a feed device of an extruder, the method comprising the steps of detecting a change request for changing the material, emptying a mixing area of a mixing device of the feed device, identifying the completion of the emptying of the mixing area, and filling the mixing area of the mixing device with the subsequent mixture after the completion of the emptying has been identified.
The invention concerns a conveying device (10) for conveying filled bags (1, 2), comprising a conveying unit (13) by which at least part of a conveying path (3) for conveying filled normal bags (1) can be formed from a feeding station (101) to a stacking area (105).
The invention also concerns a system (100) for stacking filled bags (1, 2) and a method for stacking filled bags (1, 2).
B65G 47/51 - Devices for discharging articles or materials from conveyors with distribution, e.g. automatically, to desired points according to unprogrammed signals, e.g. influenced by supply situation at destination
B65G 57/14 - Stacking of articles by adding to the top of the stack the articles being stacked by direct action of the feeding conveyor the articles being transferred from carriers moving in an endless path adjacent to the stacks
The invention relates to a sealing element for an ink chamber of a rotary printing press, wherein the sealing element has a sealing surface that rests against a roller body during operation of the rotary printing press. In order to reduce wear on the sealing element, the sealing surface has at least one flow outlet opening, at which an overpressure of a fluid may be built up during operation of the rotary printing press, in such a way that the fluid between the sealing surface and roller body forms a sealing flow film.
The invention relates to a method for monitoring a film quality in the production of a plastic film, comprising the following steps: —determining a first temperature (10) of a film material (1) of the plastic film during a transport of the film material (1), in which the film material (1) is cooled along a conveying direction (2) of the film material (1). The invention further relates to a film machine (50) comprising a device for monitoring a film quality in the production of a plastic film.
B29C 41/26 - Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on a rotating drum
58.
Separation device for separating a tubular flat material, system and separating method
A separating device (10) for separating a tubular flat material (1) having an actual tube width (1.1), comprising at least one longitudinal separating unit (20) for removing a first edge region (2) and a second edge region (3) of the flat material (1) is provided. In addition, a separating method (100) for separating a tubular flat material and to a system (70) having a separating device (10) is provided.
B65H 35/00 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
B65H 35/02 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
B26D 3/00 - Cutting work characterised by the nature of the cut made; Apparatus therefor
B26D 11/00 - Combinations of several similar cutting apparatus
B26D 5/04 - Means for moving the cutting member into its operative position for cutting by fluid pressure
B26F 3/00 - Severing by means other than cutting; Apparatus therefor
B26D 1/03 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member with a plurality of cutting members
B26D 5/32 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
B26D 5/34 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier scanning being effected by a photosensitive device
B29C 48/28 - Storing of extruded material, e.g. by winding up or stacking
A device and a method for calibrating a blown film are provided, said device comprising: a tubular region with at least one inner wall, through which region the blown film can be passed; a liquid reservoir, which can be used to provide a liquid and which is situated above the tubular region, the liquid being guidable between the inner wall and the blown film; and a suctioning device, situated below the tubular region, for suctioning off at least part of the liquid from the blown film. At least one liquid-permeable element is provided, said element surrounding at least parts of the periphery of the blown film. This device permits the distance of the liquid-permeable element from the main axis of the blown film to be altered.
B29C 48/88 - Thermal treatment of the stream of extruded material, e.g. cooling
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
B29C 48/90 - Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
The invention relates to an apparatus and to a method for film production and/or film processing, characterized by a device for determining the flatness and/or evenness of the film and for further processing and/or outputting the determined results.
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
The invention relates to a blown film line for generating a blown film with at least one extruder for generating at least one melt strand, at least one distribution tool for converting the at least one melt strand into a circulating melt layer, an outlet nozzle for outputting the at least one melt layer, wherein this melt layer forms the blown film, and at least one device for subjecting the blown film to at least one fluid stream, in particular an air stream, for cooling the blown film. At least one pressure-providing device is furnished, with which the blown film may be brought to the device for subjecting the blown film to a fluid stream by means of at least one overpressure and/or one underpressure.
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
B29C 48/25 - Component parts, details or accessories; Auxiliary operations
B29C 48/49 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
B29C 48/88 - Thermal treatment of the stream of extruded material, e.g. cooling
B29C 48/885 - External treatment, e.g. by using air rings for cooling tubular films
The invention relates to a calibration device (1) for calibrating a blown film (6), said device comprising; —a tubular region (55) with at least one inner wall (92), through which region the blown film (6) can be passed; —a liquid reservoir which provides a liquid and which is situated above the tubular region (55); an inlet region, in which the liquid can be introduced into the space between the outer wall of the blown film (6) and the inner wall (92) of the tubular region (55); and —a scraper device (117), situated below the tubular region (55), by means of which scraper device at least part of the liquid can be removed from the outer surface. The distance of the liquid-removing regions of the scraper device (117) from the main axis of the blown film (6) can be altered.
B29C 48/90 - Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
c) located upstream and/or downstream in the process (110), wherein the total process (110) can be evaluated with reference to the process data value by comparison with a pre-defined process instruction (130).
B65G 43/00 - Control devices, e.g. for safety, warning or fault-correcting
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
B65G 47/90 - Devices for picking-up and depositing articles or materials
64.
Method for evaluating at least one industrial process
The invention relates to a method (100) for evaluating at least one industrial process for the film production of a film and/or for the further processing using the film, comprising at least one production device (20) which is operated for the production of the film, and at least one further processing device (30) which is operated for further processing using the film.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
The invention relates to a device for changing a reel and for connecting a new material web to the end of an old material web, with a first reel (101) from which the first material web thereof which is wound thereon can be unwound, a transport device (103), particularly a transport roller, by means of which the first material web can be guided in a guiding region at a transport speed, a second reel (121) with which the new material web can be prepared, a drive device for rotatably driving the second reel, a separating device (142) for cutting through the first material web, by means of which the material web can be cut through in the guiding region or upstream of the guiding region in order to produce a trailing end, and a control and/or regulating device for the mutual adjustment of the trailing end and the beginning (125) of the second material web, such that the trailing end and the beginning of the web are at a distance of more than 0 mm from each other and particularly do not overlap. The trailing end and the beginning of the new material web can be connected to each other in the guiding region of the transport device by means of a connection element, and the transport speed of the trailing end and the beginning of the web corresponds to more than 0 meter per minute in the guiding region.
at least one auxiliary chamber (30) for generating a second negative pressure in a second influence area (320), wherein
the first influence area (310) is assignable to at least one main area (210) of the melt strip (200) and the second influence area (320) is assignable to at least one edge area (220) of the melt strip (200) adjacent to the main area (210), and wherein the first negative pressure differs from the second negative pressure in order to effect a stabilization of the melt strip (200).
B29C 41/26 - Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on a rotating drum
B29C 41/50 - Shaping under special conditions, e.g. vacuum
B29C 41/28 - Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on an endless belt
The invention relates to a method for the online monitoring of film quality during a production process for a plastic film, in particular a blown film or a continuously cast film, in which method the film material (1) is fed out of an outlet device (40) that is designed as a melt lug (4) by a transport device (10). The film material (1) cools on or in front of the transport device (10) and the film material (1) solidifies in front of or on the transport device (10).
The invention relates to a monitoring method (100) for monitoring a winding process on a winding device (1), comprising: providing (104) a correlation of an irregularity (12) of a web material (11) to a running parameter (13) of the reel (10) for an unwinding process. The invention further relates to a control method (200) for performing an unwinding process on an unwinding device, comprising: obtaining (201) a correlation of an irregularity (12) of a web material (11) to at least one running parameter (13) of a reel (10) from a winding process. Furthermore, the invention relates to a processing method (300) for performing a process of processing a web material (11). Furthermore, the invention relates to a winding device (1) for performing a winding process of a web material (11) to a reel (10), an unwinding device (2) for performing an unwinding process of a web material (11) of a reel (10) and a processing system (3) for processing a web material (11).
B65H 18/14 - Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
B65H 26/02 - Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
70.
Monitoring method for monitoring an unwinding process, unwinding device and unwinding system
detecting (102) at least one irregularity (12) of the web material (11) and/or the unwinding process.
Furthermore, the invention relates to an unwinding device (2) for performing an unwinding process as well as an unwinding system (5) for performing an unwinding process.
B65H 18/14 - Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
B21B 38/04 - Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
B65H 26/02 - Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
71.
Guiding device and methods for guiding a plastic film, and blown film installation
Calibration basket having exchangeable air guiding elements composed of porous material. The invention relates to a guiding device and to methods for guiding a plastic film, wherein the plastic film can be guided by means of an air cushion, wherein the guiding device comprises a plurality of blower elements (31) each having the foil owing features: at least one supporting element (35), at least one film-guiding element (34), which is at least partially porous, preferably microporous, and which is connected to the supporting element (35). At least one fastening element is provided, by means of which the supporting element (35) and the film-guiding element (34) can be detachably fastened to each other.
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
B29C 48/25 - Component parts, details or accessories; Auxiliary operations
B29C 48/50 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die - Details of extruders
B29C 48/90 - Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
B29C 48/265 - Support structures or bases for apparatus, e.g. frames
The invention relates to a receiving means (200) for receiving film material (250) for use in a winding machine (IO), wherein the receiving means (200) comprises at least one bearing region (210) for attaching the receiving means (200) to a winding unit (20) of the winding machine (IO) and comprises a wall (220) having an outer surface region (230), wherein the wall (220) is designed in such a way that the surface region (230) can be placed onto a transport device (30) of the winding machine (10) and the film material (250) can be received onto the surface region (230).
The invention relates to a calibrating device and to a method for calibrating a film tube. An elastically deformable element (704) is secured to the sleeve (703) such that a fluid, in particular a gas, preferably air, can be introduced or discharged via a fluid connection such that a specific pressure P1 and/or a specific volume V1 is set in an area (708) enclosed by the sleeve and the elastically deformable element at a given temperature. Annular bodies (706) and (707) are arranged within the area (708), and a surface section of each annular body (706), (707) supports a respective region of the elastically deformable element (704). The elastically deformable element (704) regions which are supported by the annular bodies are located in the inlet region (711) and the outlet region (712) of the calibrating device for the film tube (713).
B29C 48/90 - Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
The invention relates to a winding shaft (1) for receiving at least one winding core, said winding shaft having a shaft body (2) made of fiber-reinforced plastic, preferably CFRP, having two bearing points (4, 5) at each end of the winding shaft, having radially displaceable clamping elements (20) distributed over the circumference and over the axial length for clamping, holding and releasing the winding cores. The winding shaft is designed to hold winding cores having an inside diameter of a maximum of 80 mm.
An extrusion device that produces plastic film includes at least two feed units that feed feedstock to an extruder, wherein each feed unit has at least one discharge opening including a discharge closure to open and close the discharge opening, and a container interface that reversibly fastens a discharge container that accommodates feedstock discharged from the respective feed unit.
An extrusion device that produces plastic film includes at least two feed units that feed feedstock for an extruder, wherein, in each feed unit an automatic cleaning device is arranged for a removal of feedstock from the feed unit when changing material in the extrusion device.
The above object is solved by means of a method comprising the features as described herein as well as an extrusion device comprising the features as described herein. Further features and details of the invention follow from the depending claims, the description and the drawings. It goes without saying that features and details, which are described in connection with the method according to the invention, shall thereby also apply in connection with the extrusion device according to the invention and in each case vice versa, so that, with regard to the disclosure, reference is or can always be mutually made, respectively, to the individual invention aspects.
A pinch bottom sack fillable with bulk good includes a sleeve with at least one area element, wherein the sleeve includes a mesh and the area element a handle means including a load element at which a load force is applicable for lifting the sack, and the load element is configured such that it extends at least in some areas at least in a load condition in which the load force acts at the load element opposite to an outer side of the area element.
B65D 33/00 - CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES - Details of, or accessories for, sacks or bags
A method of monitoring stretchability of stretch films in a cast film method includes determining a position of a frost line of a film material, which is solidifying to form a film web, on a casting roller of a film machine, ascertaining a correlation of the determined position of the frost line with at least one target position, and comparing the ascertained correlation to at least one stretchability of the film material, which is assigned to the at least one target position.
The invention describes contact rolls for pressing at least one web of material, preferably a web of plastic film, against at least one rotating winding device, the contact roll comprising a surface layer.
At least two segments are provided which are spaced axially apart and which extend around, in which segments the quality of the surface layer differs from the quality of the other areas of the surface layer, at least some portions of said segments being in contact with the edges of the at least one web of material.
B65H 18/26 - Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
B65H 18/20 - Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
B65H 27/00 - Special constructions, e.g. surface features, of feed or guide rollers for webs
A film-making machine that produces stretch film includes an outlet device with an outlet gap for outlet of free-flowing film material and a rotatably mounted casting roll that receives the released free-flowing film material on a surface of the casting roll, and a cleaning device with a rotatably mounted cleaning roll that contacts the film material lying on the surface of the casting roll, wherein the cleaning device has an adjusting mechanism with a circumferential adjustment that adjusts a cleaning position of the cleaning roll along a circumferential direction of the casting roll.
The present invention relates to an overturning device (10) for overturning a molten material (200) in a melt channel (110) comprising a melt inlet (20) and a melt outlet (30) wherein between the melt inlet (20) and the melt outlet (30) at least one melt guidance means (40) is assembled for a rearrangement of the molten material (200) from the center (22) of the melt inlet (20) to the edge (34) of the melt outlet (30) and for rearrangement of the molten material (200) from the edge (24) of the melt inlet (20) into the center (32) of the melt outlet (30).
The present invention relates to an overturning device (10) for overturning a molten material (200) in a melt channel (110) comprising a melt inlet (20) and a melt outlet (30), wherein between the melt inlet (20) and the melt outlet (30) at least a melt guidance means (40) is assembled for a rearrangement of molten material (200) from the centre (22) of the melt inlet (20) at the edge (34) of the melt outlet (30) and for a rearrangement of molten material (200) from the edge (24) of the melt inlet (20) in the centre (32) of the melt outlet (30).
The present invention relates to an overturning device (10) for overturning a molten material (200) in a melt channel (110) comprising a melt inlet (20) and a melt outlet (30), wherein between the melt inlet (20) and the melt outlet (30) at least one melt guiding means (40) is assembled for a rearrangement of molten material (200) from the centre (22) of the melt inlet (20) to the edge (34) of the melt outlet (30) and for a rearrangement of molten material (200) from the edge (24) of the melt inlet (20) into the centre (32) of the melt outlet (30).
The invention relates to a method for adapting at least one winding parameter of a winding device during winding of a film web on a winding core, having the following steps: —conveying of the film web along a measuring path between a first driven roll and a second driven roll—increasing of the web tension of the film web between the first roll and the second roll—continuous detecting of the drive parameters of the first roll and of the second roll at least in the form of the torque and the circumferential speed, —determining of a stress-strain diagram from the detected drive parameters—adapting of at least one winding parameter of the winding device on the basis of the determined stress-strain diagram in order to achieve a defined elongation of the film web during winding on the winding core.
B65H 18/26 - Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
B65H 23/04 - Registering, tensioning, smoothing, or guiding webs longitudinally
B65H 23/06 - Registering, tensioning, smoothing, or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
B65H 23/18 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
B29C 53/56 - Winding and joining, e.g. winding spirally
89.
Auxiliary device for aligning a winding sleeve as well as methods for aligning a winding sleeve
Aspects of the present innovations relate to an auxiliary device for aligning a winding sleeve particularly on a sleeve acceptance of a winding machine with a reference. In one illustrative implementation, an auxiliary device may comprise an auxiliary body with an stop device or stop means which is configured for contact with the counter stop device or counter stop means at the winding sleeve. According to further aspects, the present innovations may comprise a method for aligning a winding sleeve with a reference.
The invention relates to a method (100) for producing an image structure (12) according to an image specification (20), in particular for a letterpress process and/or intaglio printing process, characterized in that the following steps are carried out: a) providing a base (10) for receiving the image structure (12), b) producing an image structure (12) on the base (10) so that an image layer (11) is formed on the base (10) by means of the image structure (12).
B41C 1/04 - Engraving; Heads therefor using heads controlled by an electric information signal
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B41C 1/10 - Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
B29C 37/00 - Component parts, details, accessories or auxiliary operations, not covered by group or
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
A packaging unit includes at least two of a bagging unit, a pallet loading device, and a pallet securing device. The bagging unit, the pallet loading device, and the pallet securing device are connected to each other via at least one data transmission device.
A packaging system for packing a product includes at least one of a bagging unit, a pallet loading device, and a pallet securing device. The packaging system also includes a device to determine information regarding future events associated with the packing of the product, and to render the information available.
B65B 1/04 - Methods of, or means for, filling the material into the containers or receptacles
B65B 35/50 - Stacking one article, or group of articles, upon another before packaging
B65B 9/13 - Enclosing successive articles or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
B65B 43/46 - Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
G06Q 10/06 - Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
G06Q 10/0631 - Resource planning, allocation, distributing or scheduling for enterprises or organisations
93.
Apparatus for automatically cutting and discharging a web of material, and associated method
The present invention relates to a device (1) for automatically cutting a material web (2) with a longitudinal cutting device (60) using a material web (2) in a longitudinal direction (L) separable in at least a partial web (3) and/or at least a remaining web (4), a discharging device (10) for automatically discharging the produced remaining web (4), a transverse cutting device (70) downstream of a longitudinal cutting device (60) for cutting the remaining web (4) transversely to the longitudinal direction (L).
B65H 35/02 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
B65H 20/14 - Advancing webs by direct action on web of moving fluid
B26D 7/14 - Means for treating work or cutting member to facilitate cutting by tensioning the work
B26D 7/18 - Means for removing cut-out material or waste
B26D 9/00 - Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
B65H 35/04 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
94.
Packing arrangement and method for packing a product
A packaging system for packaging a product into a plurality of bags or sacks includes at least one of a bagging unit, a pallet loading device, and a pallet securing device. The system also includes a device for storing and rendering available information regarding events that occurred in the system during the packaging.
B65B 1/04 - Methods of, or means for, filling the material into the containers or receptacles
B65B 9/20 - Enclosing successive articles or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
B65B 35/50 - Stacking one article, or group of articles, upon another before packaging
B65B 57/00 - Automatic control, checking, warning or safety devices
B65B 65/00 - MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING - Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
B65B 5/06 - Packaging groups of articles, the groups being treated as single articles
B65B 9/13 - Enclosing successive articles or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
95.
Packing arrangement and method for packing a product
A packaging unit for packaging a product includes at least one of a bagging unit, a pallet loading device, and a pallet securing device. Also included is a device to provide information regarding the packaging unit, the packaging, and/or the product, allowing the information to be displayed with at least one terminal outside the device.
B65B 1/04 - Methods of, or means for, filling the material into the containers or receptacles
B65B 35/50 - Stacking one article, or group of articles, upon another before packaging
B65B 43/46 - Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
B65B 9/13 - Enclosing successive articles or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
B65H 35/02 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
97.
Method for the control of the rotational speed for a drive device of a printing roll
A method of forming a hose from a flat web material includes supplying the flat web material via a feeding device, folding the edges of the flat web material with at least one hose formation tool, with the edge sections subsequently overlapping, and connecting to each other parts of the overlapping edge sections, A target position of at least one edge is determined after the edges have been folded over, with the actual position of at least one edge being determined by a measuring device. In the event of a deviation of the actual position from the target position, the hose formation tool is moved, via an actuator, at least perpendicular relative to the direction of transportation of the flat web material.
B65H 35/04 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
B65H 23/02 - Registering, tensioning, smoothing, or guiding webs transversely
B31B 70/00 - Making flexible containers, e.g. envelopes or bags
B31B 70/36 - Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
B31B 70/64 - Uniting opposed surfaces or edges; Taping by applying heat or pressure
A winding device for winding a web-shaped material, preferably a plastic film, has a reel for receiving the web-shaped material, a contact roller for feeding and pressing the web-shaped material against the reel, a device for rotationally driving a still empty reel, and a device for feeding the still empty reel to the contact roller. The device for rotationally driving the still empty reel and the device for feeding the still empty reel to the contact roller can act simultaneously on the still empty reel.
Displaying of the at least one detected operating parameter (40) on the display device (30) next to the schematic illustration of the corresponding functional unit (20).
G05B 19/409 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form - characterised by control panel details, by setting parameters
G05B 15/02 - Systems controlled by a computer electric