A method for wrapping a cardboard box with a wrapping sheet, includes: providing a cardboard box with a continuous edge delimiting an opening of the box; providing a wrapping sheet; coupling the box and the sheet; placing on a supporting surface the box coupled to the sheet so that the opening of the box is opposed to the supporting surface; positioning a closing system on the continuous edge of the box so as to define a closed chamber that is comprised between the box and the closing system; supplying air inside the closed chamber so as to make the box adhere to the sheet.
An apparatus (1) for automatic wrapping of a wrapping blank (3) on lateral walls (202, 203, 204, 205) of a cardboard box (2), the wrapping blank (3) having a base (301) and a plurality of flaps (302, 303, 304, 305) connected thereto, comprises: a support structure (4); a plurality of folding heads (5), configured for folding and tucking in the flaps of the wrapping blank (3); a plurality of columns (7), oriented vertically and movable horizontally and vertically relative to the folding heads (5). The columns (7) may be positioned inside the box (2) on the internal face of the bottom wall (201) of the box, at least at every vertex of the box (2), so that the bottom wall (201) of the box is operatively interposed between the plurality of columns (7) and the support structure (4).
An apparatus (1) for automatic wrapping of a wrapping blank (3) on lateral walls of a cardboard box (2), the wrapping blank (3) having a base (301) and a plurality of flaps (302, 303, 304, 305) connected thereto, comprises a plurality of folding heads (5) for folding the flaps of the wrapping blank (3) and tucking in their outer portions. Each folding head (5) includes a pair of fingers (502A), positionable inside the box (2) and movable reciprocally towards and away from each other so that the fingers (502A) can be reciprocally moved in sliding contact with the wrapping blank (3) on the internal surface of the lateral wall of the box (2).
Method for wrapping a cardboard box with a wrapping sheet, comprising: providing a cardboard box (100) with a continuous edge (103) delimiting an opening (104) of the box (100); providing a wrapping sheet (200); coupling the box (100) and the sheet (200); placing on a supporting surface (11) the box (100) coupled to the sheet (200) so that the opening (104) of the box (100) is opposed to the supporting surface (11); positioning a closing system (20) on the continuous edge (103) of the box (100) so as to define a closed chamber that is comprised between the box (100) and the closing system (20); supplying air inside the closed chamber so as to make the box (100) adhere to the sheet (200).
An automated line (1) for producing wrapped cardboard boxes comprises: a conveyor belt (2); a gluing device (3); a box forming apparatus (4), positioned above the conveyor belt (2); a positioning device (5) configured to receive the box from the forming apparatus (4) and for placing the box on a wrapping blank previously glued; and a wrapping apparatus (6), positioned above the conveyor belt (2).
An apparatus (1) for automatic wrapping of a wrapping blank (3) on lateral walls (202, 203, 204, 205) of a cardboard box (2), the wrapping blank (3) having a base (301) and a plurality of flaps (302, 303, 304, 305) connected thereto, comprises: a support structure (4); a plurality of folding heads (5), configured for folding and tucking in the flaps of the wrapping blank (3); a plurality of columns (7), oriented vertically and movable horizontally and vertically relative to the folding heads (5). The columns (7) may be positioned inside the box (2) on the internal face of the bottom wall (201 ) of the box, at least at every vertex of the box (2), so that the bottom wall (201) of the box is operatively interposed between the plurality of columns (7) and the support structure (4).
An apparatus (1) for automatic wrapping of a wrapping blank (3) on lateral walls of a cardboard box (2), the wrapping blank (3) having a base (301) and a plurality of flaps (302, 303, 304, 305) connected thereto, comprises a plurality of folding heads (5) for folding the flaps of the wrapping blank (3) and tucking in their outer portions. Each folding head (5) includes a pair of fingers (502A), positionable inside the box (2) and movable reciprocally towards and away from each other so that the fingers (502A) can be reciprocally moved in sliding contact with the wrapping blank (3) on the internal surface of the lateral wall of the box (2).
An apparatus (1) for automatic wrapping of a wrapping blank (3) on lateral walls (202, 203, 204, 205) of a cardboard box (2), the wrapping blank having a base (301 ) and a plurality of flaps (302, 303, 304, 305) connected thereto, comprises: a plurality of folding heads (5) for folding the flaps of the wrapping blank (3) and tucking in their outer portions; a first wrapping station (S1) including a first subset (5) of the plurality of folding heads and the second wrapping station (S2) including a second subset (5') of the plurality of folding heads. The first and the second wrapping station are spaced from each other along a horizontal direction (H), orthogonal to a vertical direction (V). A transport device (11) is movable relative to each of the support structures (4, 4') in order to transport the box (2) and the wrapping blank (3) coupled thereto along the advancing direction (F) from the first to the second station.
a) of the box blank (6) and to move it along a vertical direction (V); a gluing unit (3), configured to receive a covering blank (7) and to spread glue on the covering blank (7); a positioning device (4), configured to position the box on the covering blank (7); a covering machine (5), configured receive the box coupled to the respective covering blank (7) from the positioning device (4) and to fold the covering blank (7) into contact with the box in such a way as to cover the box.
A line and method for the production of covered cardboard boxes are disclosed. The line includes a conveyor unit including a belt and a conveyor actuator that drives the belt intermittently in an alternating sequence of movements and stops. A feed unit individually feeds covering blanks from a reservoir to the conveyor unit in a sequence of feed instants. An erecting machine folds box blanks into corresponding boxes. A positioner individually positions the boxes from the erecting machine, in alignment on corresponding covering blanks disposed on the belt of the conveyor unit. A gluer spreads glue on one face of the covering blanks. A covering machine folds the covering blanks into contact with their respective boxes to cover the boxes. A control unit connected to the feed unit adjustably sets a phase displacement of the feed instants relative to the sequence of stops of the belt.
d) of the blank (6) to fold them and dispose them parallel to a vertical direction (V), with respective lateral borders juxtaposed to define vertical edges of the side wall of the box (60); a plurality of heads (22), including respective pressers (222) that are movable towards and away from each other, wherein each presser (222) is configured to press a respective vertical edge from the outside of the space inside the box (60).
A production line (1) for making a covered box (8) comprises: a forming machine (2), configured to receive a cardboard box blank (6) and to fold it to form the box and including a plurality of folders (21) and a movement system configured to receive the box blank (6) oriented horizontally, and comprising a plurality of columns (23), extending along the vertical direction (V) and configured to abut against the base (6a) of the box blank (6) and to move it along a vertical direction (V); a gluing unit (3), configured to receive a covering blank (7) and to spread glue on the covering blank (7); a positioning device (4), configured to position the box on the covering blank (7); a covering machine (5), configured receive the box coupled to the respective covering blank (7) from the positioning device (4) and to fold the covering blank (7) into contact with the box in such a way as to cover the box.
A method for making a paper blank from a corresponding paper sheet includes: loading a paper sheet along a longitudinal orientation, resting on a supporting surface that defines a worktop; moving a carriage in parallel with the worktop; making a primary cut on the paper sheet along a cutting orientation perpendicular to the worktop, using a primary blade which slides relative to a primary anvil; making a secondary cut, sliding a secondary blade and a secondary anvil relative to each other at a secondary cutting unit. The primary cutting unit and the secondary cutting unit are actuated by an actuating assembly.
A line and method for the production of covered cardboard boxes are disclosed. The line includes a conveyor unit including a belt and a conveyor actuator that drives the belt intermittently in an alternating sequence of movements and stops. A feed unit individually feeds covering blanks from a reservoir to the conveyor unit in a sequence of feed instants. An erecting machine folds box blanks into corresponding boxes. A positioner individually positions the boxes from the erecting machine, in alignment on corresponding covering blanks disposed on the belt of the conveyor unit. A gluer spreads glue on one face of the covering blanks. A covering machine folds the covering blanks into contact with their respective boxes to cover the boxes. A control unit connected to the feed unit adjustably sets a phase displacement of the feed instants relative to the sequence of stops of the belt.
An unwinding unit (400) for unwinding a strip (S) of heat sealing material for quadrangular machines (1) comprises a casing (401) adapted to be mounted on a quadrangular machine (1) and a puller (402) operatively associated with the casing (401) and configured to pull the strip (S) relative to the casing (401) along a feed path (P) and in a feed direction (V). A diverter (407) is configured to divert the strip (S) between an initial, preferably horizontal, stretch (P1) of the feed path and a final, substantially vertical stretch (P2) of the feed path, defining a curved, connecting stretch (P3) between the initial stretch and the final stretch. A deformer (413) operatively associated with the casing (401) are configured to make on the strip (5) an extended crease line (414) running along the strip itself starting from the curved stretch (P3) or downstream of the curved stretch (P3), in the feed direction (V) of the strip (S).
A management apparatus (7) for a production line (1) for covered cardboard boxes (2) comprises: a coupling station (8), configured to couple the base of a cardboard box (4) with a glued covering blank (6); a feed station (9) designed to receive the glued covering blank with the box coupled therewith and to feed it to a covering machine (5); a gluing unit (13) for spreading a layer of glue on a sheet (14) of covering paper; an aligner (16) for receiving the glued covering sheet from the gluing unit and placing it in a predetermined position; a laser cutting station (19) located downstream of the aligner in order to cut the glued covering sheet with a laser beam (20), thereby making available the glued covering blank; a conveyor (21) configured to interconnect and coordinate the aligner, the cutting station, the coupling station and the feed station in succession according to an advancing direction.
B31B 15/02 - Machinery characterised by making covered or externally-reinforced boxes or cartons and having means for feeding or positioning sheets, blanks, or webs
B31B 15/14 - Machinery characterised by making covered or externally-reinforced boxes or cartons and having means for cutting, e.g. perforating, punching, slitting, trimming
B31B 15/26 - Machinery characterised by making covered or externally-reinforced boxes or cartons and having means for folding sheets, blanks, or webs
B31B 15/60 - Machinery characterised by making covered or externally-reinforced boxes or cartons and having means for uniting opposed surfaces or edges, or for taping
A machine for covering boxes using pre-glued paper blanks (2), comprising: a vertically mobile plate (8) for supporting a base (2b) of the blank (2) and the box (1); means for folding sides (3, 4) of the blank (2); means for folding upper flaps (3b, 4b) of the sides (3, 4) towards the inside of the box and in contact with inner faces of the side walls of the box; contact plates (18, 19) positioned outside the box to prevent an outward movement of the corresponding side walls of the box positioned in contact with them; presser elements (20, 21), mobile relative to the corresponding contact plates for translating along a horizontal line (DR) parallel with the base of the box, and insertable in the box for moving inside the box towards the corresponding contact plates and parallel with them, for pressing the side walls of the box interposed between the contact plates and the corresponding presser elements.
Device for shaping a box (1) having a wall with at least a first pair of sides (1b, 1d), comprising at least a first and a second pad (5) aligned along a longitudinal axis (X) and facing towards each other; an actuator (18, 19) connected to the pads (5) to move them away from and towards each other along the longitudinal axis (X) and a control unit (7) connected to a conveyor (3), for positioning the box (1) relative to the pads (5) with the longitudinal axis (X) perpendicularly intersecting said pair of sides of the box. The control unit (7) is connected to the actuator (18, 19) of the pads (5) for moving the pads (5) from a withdrawn position, in which they do not interfere with the box (1), to an extracted position, in which they press the sides from the outside deforming them towards the inside of the box (1).
B31B 3/26 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs and having means for folding sheets, blanks, or webs
B31B 15/00 - Machinery characterised by making covered or externally-reinforced boxes or cartons
19.
APPARATUS TO APPLY GLUE TO PAPER BLANKS DESIGNED FOR COVERING PAPER OR CARDBOARD BOXES
Described is an apparatus (100) for gluing paper blanks (1) designed to cover paper or cardboard boxes, comprising a conveyor belt (6) defining a conveying surface for moving blanks (1) positioned thereon in a feeding direction (A), gluing means configured for distributing glue on at least one portion of an upper face of the blanks, at least one tank (19, 26b) of PSA glue and at least one gluing station (7, 8) having at least one dispensing nozzle (18, 27) connected to the tank (19, 26b) and positioned above the conveyor belt (6) close to it, for selectively dispensing high temperature PSA glue, according to a predetermined pattern, on the upper face of the blanks (1) positioned on the belt (6) coplanar with the conveying surface.
A quadrangular machine for forming boxes (1) from blanks (2) having a base and a plurality of segments connected thereto, comprises a die (3) operating on said base; folding elements (4) for folding and setting up said segments to define edges (5) of the box (1); feeders (6) for positioning pieces (7) of heat seal stay tapes to face the edges (5); sealing heads (8) with heatable pressers (9) movable towards and away from the box (1) perpendicularly thereto to press said pieces (7) against the respective edges (5), and with blades (10) which are movable as one with the corresponding presser (9) to cut the stay tapes; each presser (9) comprising a portion (9a) which is movable independently of the blade (10) towards and away from the box (1) to press a portion of the stay tape against the respective edge (5) whilst the blade (10) is at a position of non-interference relative to the stay tape.
A blank for making round boxes comprises at least one panel (2, 2') which can be folded along a curved trajectory so as to define a side wall (P) of a round box and has the form of a parallelogram with a first edge and second edge (3, 4; 3', 4') situated opposite each other and a third edge and fourth edge (5, 6; 5', 6') also situated opposite to each other and transverse to the first edge and second edge (3, 4; 3', 4'). The first edge and second edge (3, 4; 3', 4') have respective outer profiles which complement each other and are formed so that, following folding along said curved trajectory, the first edge and second edge (3, 4; 3', 4') can be brought into end-to-end contact with each other along a helical joining line (G).
B65D 3/04 - Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape essentially cylindrical
A machine for making round boxes comprises a folding station (108) configured so as to perform folding of a blank (1 ) along a curved trajectory so as to bring opposite edges (3, 3'; 4, 4') of the blank (1 ) into end-to-end contact with each other, thus defining a joining line (G), and a gluing station (105) designed to release onto the blank (1 ) a layer of glue for sealing the joining line (G) and configured to release the layer of glue onto the blank (1 ) along a direction defining, once the blank (1 ) has been folded, an at least partly helical trajectory.
B31B 17/00 - Machinery characterised by making other boxes or cartons by assembling several separate sheets, blanks, or webs
B65D 3/04 - Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape essentially cylindrical
23.
GLUING DEVICE FOR A BOX FORMING MACHINE AND RELATED GLUING METHOD
A gluing device (10) for a box forming machine (1 ), configured to apply liquid glue to a flat blank (2) of paper or cardboard having V-shaped grooves between a base (3) and a plurality of segments (4) connected to the base (3) and defining oblique faces (5) contained in the thickness of the segments (4), comprises: a supporting structure (1 1 ) for feeding the blank (2) to a gluing station by moving it in a feed plane along a longitudinal direction; liquid glue dispensing nozzles (13) which are movable along a predetermined direction parallel to the feed plane in order to spread glue on one or more of the oblique faces (5), where the supporting structure (1 1 ) comprises: two guides (14) shaped in such a way as to prevent transversal movements of the blank (2) and to slidably support lateral end portions of the segments (4) of the blank (2); positioning means (17) operating on the blank (2) to move it to a predetermined longitudinal position in the gluing station; locking means (26) for holding the blank (2) in place so it is in the same plane as the feed plane while it is at the predetermined longitudinal position.
A method for covering a box (100) with a flat covering blank (200) comprises the steps of coupling the blank (200) to the bottom wall (101) of the box (100), folding lateral wings (201) of the blank (200) on the lateral panels (103) of the box (100) to form flaps (202) projecting from the lateral panels (103), folding the projecting flaps (202) towards the inside of the box (100) to render them parallel with the bottom wall (101) of the box (100) by advancing folder elements (21) towards the box (100), and further folding the projecting flaps (202) towards the inside of the box (100), in such a way that they adhere to respective inner faces of the lateral panels (103). There is also a step of moving the box (100) towards the folder elements (21) along a line transversal to the bottom wall (101) of the box (100) for pressing the projecting flaps (202) against the end edges (104) of the lateral panels (103).
A method for positioning packing boxes in covering lines comprises a step of acquiring a photographic image of a covering sheet (200) positioned on the conveyor (2), a step of processing the photographic image to identify an angular orientation adopted by the covering sheet (200) on the conveyor (2) and a subsequent step of orientation of a packing box (100) depending on the angular orientation previously identified, in such a way that the box (100) and the covering sheet (200) are positioned according to the same angular orientation and can be superposed with a high level of precision.
A method for forming boxes made of paper or paperboard which have lateral edges of different heights comprises the steps of preparing a box (100) having open lateral edges (101) to be sealed, and of sealing the lateral edges (101) by means of sealing heads (2), each facing a respective lateral edge (101) and having the respective presser (5) aligned with its upper edge at the upper edge of the respective open lateral edge (101) of the box (100).
B31B 3/46 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs and having means for folding sheets, blanks, or webs by plungers moving through folding dies and interconnecting side walls during such movement
B31B 3/72 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs and having means for uniting opposed surfaces or edges, or for taping by applying and securing strips or sheets
27.
Automatic machine and method for making curvilinear packing boxes
A machine for making covered paper or cardboard boxes which have a curvilinear outline comprises means for forming a curvilinear box (6) and a covering station (R) operating in conjunction with means for the linear feed of a pre-glued covering sheet (12), in such a way that the sheet (12) is connected to the outer wall of the box (6).
B31B 3/02 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs and having means for feeding or positioning sheets, blanks, or webs
B31B 17/00 - Machinery characterised by making other boxes or cartons by assembling several separate sheets, blanks, or webs
28.
Machine and method for making curvilinear packing boxes
A machine for making covered paper or cardboard boxes which have a curvilinear outline includes elements for forming a curvilinear box (6) and a covering station (R) operating in conjunction with elements for the linear feed of a pre-glued covering sheet (12), in such a way that the sheet (12) is connected to the outer wall of the box (6).
A machine for making covered paper or cardboard boxes which have a curvilinear outline comprises means for forming a curvilinear box (6) and a covering station (R) operating in conjunction with means for the linear feed of a pre-glued covering sheet (12), in such a way that the sheet (12) is connected to the outer wall of the box (6).
A process for forming boxes starting with a flat paper or cardboard blank (1) having at least two free edges (2) comprises the steps of folding the blank until the free edges (2) are drawn near and adjacent to each other and forming a reciprocal gluing bead (3), distributing a quantity of hot-melt glue (4) in the bead (3) and cooling the hot-melt glue until the free edges are stably joined together.
A machine for making covered paper or cardboard boxes which have a curvilinear outline comprises means for forming a curvilinear box (6) and a covering station (R) operating in conjunction with means for the linear feed of a pre-glued covering sheet (12), in such a way that the sheet (12) is connected to the outer wall of the box (6).
An apparatus for positioning packing boxes relative to a covering sheet comprises a belt for conveying the sheet from a gluing unit to a device for centering the box on the pre-glued sheet and optical sensors for identifying the position of the sheet on a belt conveyor surface, the belt being made with at least two regions of the conveyor surface having contrasting colors.
A machine for forming boxes comprises a base frame (2) and at least one turret (3) associated with the base frame (2), and having a sealing head (4) for stably joining open corners of a box, wherein each turret (3) is slidably connected to the base frame (2) to define two independent approach directions (B, C) of the sealing head (4) to the box being formed, a blank for forming polygonal packing boxes, and a polygonal box.
B31B 3/00 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs
B31B 3/46 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs and having means for folding sheets, blanks, or webs by plungers moving through folding dies and interconnecting side walls during such movement
B65D 5/20 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
B65D 5/42 - Details of containers or of foldable or erectable container blanks
A covering machine for applying a covering sheet on packing boxes, includes a covering cavity for receiving a box joined to a respective covering sheet, and presser elements which can be associated with the box and are able to move between a first, active position in which they apply the respective sheet to the box and a second, extracted position away from the box.
B65B 11/48 - Enclosing articles, or quantities of material, by folding a wrapper, e.g. a pocketed wrapper, and securing its opposed free margins to enclose contents
A machine for covering packaging boxes (S) with a sheet (F) comprises at least one presser (10) and one folding blade (11) that move horizontally to apply the edges (L) of a glued sheet (F) to corresponding outside walls (P) of a box (S). The presser (10) and/or the blade (11) are adjustable in angular position with respect to one or more axes of rotation.
Paper and paperboard converting equipment, in particular
machines for making wrapped rigid paperboard boxes, machines
for laminating and turned edge working of paper/paperboard
and laminating of paperboard.
