Plant for laser scoring and laminating or vice versa a resealable label on a web material with option to dispense with lamination. The plant comprises:
an unwinder station (A) from which a web (11) is fed to a support and guiding
a laser station (B1) included in a guided passage of the above-mentioned web (11);
a labelling station (B2) included in another guided passage of the above-mentioned web (11), and
a slitter-rewinder station (C) to rewind and or slit the web (11) after treatment in the laser station (B1) and in the labelling station (B2),
wherein the web (11) of flexible material is selectively driven to pass firstly through the laser station (B1) and then through the labelling station (B2) or the other way around, or to pass only through the laser station (B1).
Plant for laser scoring and laminating or vice versa a resealable label on a web material with option to dispense with lamination. The plant comprises:
an unwinder station (A) from which a web (11) is fed to a support and guiding
a laser station (B1) included in a guided passage of the above-mentioned web (11);
a labelling station (B2) included in another guided passage of the above-mentioned web (11), and
a slitter-rewinder station (C) to rewind and or slit the web (11) after treatment in the laser station (B1) and in the labelling station (B2),
wherein the web (11) of flexible material is selectively driven to pass firstly through the laser station (B1) and then through the labelling station (B2) or the other way around, or to pass only through the laser station (B1).
A method that implements the facility is proposed.
B65H 35/00 - Delivering articles from cutting or line-perforating machinesArticle or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
B23K 26/364 - Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
Printing machine, for printing a laminar web, comprising a feeding unit (10) defining a printing area (A); an inkjet printing station (20) comprising a plurality of inkjet printing modules (21) slidably arranged along a transverse guide (22); a positioning device (30) adapted to precisely slide the inkjet printing modules (21) along the transverse guide (22); wherein each inkjet printing module (21) includes a first coupling (31) and is independent from other inkjet printing modules (21) allowing an independent movement of each inkjet printing module (21) along the transverse guide (22); and the positioning device (30) includes a second coupling (32) complementary to each first coupling (31), the second coupling (32) being releasably engageable to each first coupling (31) in an automatic manner, the positioning device (30) being configured to precisely slide each inkjet printing module (21) engaged thereto, along the transverse guide (22).
B41J 2/51 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters applicable to two or more kinds of printing or marking processes from an assembly of identical printing elements serial printer type
B41J 25/34 - Bodily-changeable print heads or carriages
B41J 15/16 - Means for tensioning or winding the web
B41J 25/308 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B41F 33/02 - Arrangements of indicating devices, e.g. counters
B41F 33/00 - Indicating, counting, warning, control or safety devices
B41F 19/00 - Apparatus or machines for carrying out printing operations combined with other operations
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
B41F 13/02 - Conveying or guiding webs through presses or machines
3.
Ink-jet print heads protecting system in a digital printing machine
The present invention relates to an ink-jet print heads protecting system in a digital printing machine, wherein the module comprises a chassis (1), rollers (2), and a plurality of digital printing units (10), each with a bridge (11) with guides (12) and a sliding carriage (13) with ink-jet print heads (14), one part of each guide overlapping the band and another part projecting beyond the band path, the carriage being movable between the printing and maintenance positions; and in that each bridge is attached to the chassis by of a position adjustment device (20) and an articulation (25) that are spaced apart or by two position adjustment devices (20) that are spaced apart.
The present invention relates to a method for controlling the operation of a printing press and a flexographic printing press for implementing said method, wherein the method comprises performing the following steps: a) capturing information from at least one image printed by said printing press; and b) comparing said information captured from said printed image with at least some digital-format information predetermined in prepress, or digital prepress information, including at least one part of the image to be printed. The method comprises adjusting the pressure and/or register setting of one or more printing units of the printing press, using at least the result of the comparison in said step b). The press is designed in order to implement the method.
B41F 33/00 - Indicating, counting, warning, control or safety devices
B41F 3/44 - Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed of special construction or for particular purposes for monocolour or multicolour printing on one side of webs, or for perfecting webs, i.e. monocolour or multicolour printing on both sides of webs
5.
Automatic handling and transport device for printing sleeves
An automatic handling and transport device for printing sleeves that includes a holding support (10) for printing sleeves (60) and a clamping carriage (20) connected to a motorized carriage (30) for a guided movement of the clamping carriage (20) between a gripping position for gripping sleeves (60) and a transport position, and a mobile handling unit (90) carrying the holding support (10). The holding support (10) has an inner core (12) attached to the mobile handling unit (90), and the holding support (10) is coupled to the core (12) or to the mobile handling unit (90) through adaptable support means (40), which provide a relative movement with respect to the core (12) to at least one of the two ends of the holding support (10). The connection of the clamping carriage (20) to the motorized carriage (30) comprises adaptable means (49) that allow a relative movement between the clamping carriage (20) and the motorized carriage (30).
Variable format offset printing machine having a central impression cylinder The printing machine comprises a central impression cylinder (1) on which a web printable substrate (B) is supported and a plurality of printing stations arranged around the central impression cylinder (1). Each printing station comprises a blanket cylinder (2) of variable diameter, a plate cylinder (3) of variable diameter, and an offset inking unit (4). Said blanket cylinder (2), plate cylinder (3) and offset inking unit (4) are individually movable between respective withdraw positions and respective multiple working positions for different diameters of the blanket and plate cylinders (2, 3). At least one of said printing stations has the axis of the blanket cylinder (2) and the axis of the plate cylinder (3) comprised in an inclined first plane (P1) which does not comprise the axis of the central impression cylinder (1) at any of said multiple working positions for different diameters of the blanket and plate cylinders (2, 3).
B41F 5/24 - Rotary letterpress machines for flexographic printing
B41F 7/10 - Rotary lithographic machines for offset printing using one impression cylinder co-operating with several transfer cylinders for printing on sheets or webs, e.g. satellite-printing units
B41F 13/00 - Common details of rotary presses or machines
B41F 13/20 - Supports for bearings or supports for forme, offset, or impression cylinders
b) of the central impression drum for applying water-based inks or solvent-based inks on the web substrate (S), and at least one drying unit (61-69) arranged between each pair of adjacent printing groups. The first drying unit located in a larger space between the first printing group (51) and the subsequent printing group (53) and/or the last drying unit located in a larger space between the last printing group (60) and the preceding printing group (58) is an extensive drying unit (61, 69) providing an exposure time to a drying agent longer than the remaining drying units.
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
B41F 5/24 - Rotary letterpress machines for flexographic printing
b), each carriage (40, 41) including a clamp (42, 43) that holds the ends of the winding shafts (10, 11) in a horizontal plane during the formation of a reel on any of said winding shafts (10, 11) and as the reel is moved into an unloading position.
The printing machine has a central impression cylinder (1) on which a web printable substrate (B) is supported and a plurality of printing stations arranged around the central impression cylinder (1). Each printing station includes a blanket cylinder (2) of variable diameter, a plate cylinder (3) of variable diameter, and an offset inking unit (4). The blanket cylinder (2), plate cylinder (3) and offset inking unit (4) are individually movable between respective withdrawn positions and respective multiple working positions for different diameters of the blanket and plate cylinders (2, 3). At least one of the printing stations has the axis of the blanket cylinder (2) and the axis of the plate cylinder (3) in an inclined first plane (P1), which does not include the axis of the central impression cylinder (1) at any of the multiple working positions for different diameters of the blanket and plate cylinders (2, 3).
B41F 7/10 - Rotary lithographic machines for offset printing using one impression cylinder co-operating with several transfer cylinders for printing on sheets or webs, e.g. satellite-printing units
B41F 13/00 - Common details of rotary presses or machines
B41F 13/20 - Supports for bearings or supports for forme, offset, or impression cylinders
The printing machine for variable format offset includes a printing roller or drum, and at least one printing group including a guide system fixed in relation with the printing roller or drum, a first carriage displaceable along the guide system and configured for supporting a rubber-wrapped blanket roller or sleeve of variable size, a second carriage displaceable along the guide system and configured for supporting a plate roller or sleeve of variable size, and a third carriage displaceable along the guide system carrying an offset inking head. The head has devices for approximating the third carriage to the plate roller, identifying and fixing its working position in relation with the plate sleeve and fitting ink-supplying roller or rollers to the plate roller.
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