WO2017109474A1 - Procédé de montage de découpes - Google Patents

Procédé de montage de découpes Download PDF

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Publication number
WO2017109474A1
WO2017109474A1 PCT/GB2016/053999 GB2016053999W WO2017109474A1 WO 2017109474 A1 WO2017109474 A1 WO 2017109474A1 GB 2016053999 W GB2016053999 W GB 2016053999W WO 2017109474 A1 WO2017109474 A1 WO 2017109474A1
Authority
WO
WIPO (PCT)
Prior art keywords
longitudinal
crease line
transverse
box
blank
Prior art date
Application number
PCT/GB2016/053999
Other languages
English (en)
Inventor
Mark Rodgers
Nigel Smith
Andrew Aitken
Original Assignee
Allied Protek Engineering Solutions Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Allied Protek Engineering Solutions Limited filed Critical Allied Protek Engineering Solutions Limited
Publication of WO2017109474A1 publication Critical patent/WO2017109474A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—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
    • B65D5/00—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
    • B65D5/001—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 stackable
    • B65D5/0015—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 stackable the container being formed by folding up portions connected to a central panel
    • B65D5/003—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 stackable the container being formed by folding up portions connected to a central panel having ledges formed by extensions of the side walls
    • B65D5/0035—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 stackable the container being formed by folding up portions connected to a central panel having ledges formed by extensions of the side walls the ledges being located between side walls and doubled-over extensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—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
    • B65D5/00—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
    • B65D5/001—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 stackable
    • B65D5/0015—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 stackable the container being formed by folding up portions connected to a central panel
    • B65D5/003—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 stackable the container being formed by folding up portions connected to a central panel having ledges formed by extensions of the side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—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
    • B65D5/00—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
    • B65D5/20—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
    • B65D5/24—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 with adjacent sides interconnected by gusset folds
    • B65D5/248—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 with adjacent sides interconnected by gusset folds and at least one side being extended and doubled-over to enclose the adjacent gusset flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • B31B2100/0024—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed having all side walls attached to the bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
    • B31B2110/35—Shape of rigid or semi-rigid containers having a polygonal cross section rectangular, e.g. square
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/52—Folding sheets, blanks or webs by reciprocating or oscillating members, e.g. fingers

Definitions

  • the present disclosure relates to methods of erecting blanks, and in particular cut and pre-creased planar blanks that are erected into boxes for the transportation of food products.
  • Expanded polystyrene has a number of advantages, including good thermal insulation properties, low thermal conductivity and low purchase cost, it also has considerable drawbacks, including non-biodegradability, a high cost to transport empty boxes and a large storage area required for empty boxes (because the volume of the empty boxes cannot be reduced), the possibility of damage to the box spoiling the food products and unsuitability for re-use because the material cannot be sterilised.
  • plastic sheet material is initially provided as a blank which has been cut and pre-creased along crease lines to facilitate folding and assembly into a box at the point of use. Folding and assembly of the blank to form the desired box can, however, be a laborious and time consuming operation and the present disclosure seeks to address this problem.
  • the present disclosure provides a method for erecting a pre-creased planar blank into a box.
  • the blank can be made of any suitable material, e.g., corrugated plastic sheet which is sometimes referred to as twin-walled fluted plastic sheet.
  • the blank material is preferably non-toxic (making it suitable for packaging and transporting food products) and preferably capable of being recycled.
  • the blank can be cut and pre- creased along the crease lines using any suitable process.
  • the blank includes:
  • first corner region adjacent the first and second side regions, the first corner region being bounded by the third transverse crease line, the fourth longitudinal crease line, and blank edges that define a first blank apex, and including a crease line that extends from the first blank apex to the junction of the third transverse crease line and the fourth longitudinal crease line
  • the second corner region being bounded by the sixth transverse crease line, the fifth longitudinal crease line, and blank edges that define a second blank apex, and including a crease line that extends from the second blank apex to the junction of the sixth transverse crease line and the fifth longitudinal crease line
  • a third substantially square corner region adjacent the third and fourth side regions the third corner region being bounded by the seventh transverse crease line, the eighth longitudinal crease line, and blank edges that define a third blank apex, and including a crease line that extends from the third blank apex to the junction of the seventh transverse crease line and the eighth longitudinal crease line
  • a fourth substantially square corner region adjacent the fourth and first side regions, the fourth corner region being bounded by the fourth transverse crease line, the seventh longitudinal crease line, and blank edges that define a fourth blank apex, and including a crease line that extends from the fourth blank apex to the junction of the fourth transverse crease line and the seventh longitudinal crease line
  • the method of erecting the pre-creased planar blank comprises:
  • a first step of folding a positioned blank along (i) the first, second, fourth, fifth, seventh and eighth longitudinal crease lines, (ii) the first, second, third, fourth, sixth and seventh transverse crease lines, and (iii) the crease lines that extend from the first, second, third and fourth blank apexes, to form a first-stage partially folded box including:
  • first and second longitudinal bottom edges formed by the first and second longitudinal crease lines
  • first and second transverse bottom edges formed by the first and second transverse crease lines
  • first outer longitudinal sidewall formed by the first side region and orientated substantially perpendicular to the base
  • a second step of folding the first-stage partially folded box along the third, sixth, ninth, tenth, eleventh and twelfth longitudinal crease lines to form a second- stage partially folded box including:
  • first inner longitudinal sidewall formed by the ninth and tenth side regions, the first inner longitudinal sidewall having a first part formed by the ninth side region and a second part formed by the tenth side region, and wherein the second part is orientated substantially perpendicular to the base and adjacent a lower part of the first outer longitudinal sidewall and the first part extends at an angle between the second part and the first longitudinal flange;
  • a second inner longitudinal sidewall formed by the eleventh and twelfth side regions the second inner longitudinal sidewall having a first part formed by the eleventh side region and a second part formed by the twelfth side region, wherein the second part is orientated substantially perpendicular to the base and adjacent a lower part of the second outer longitudinal sidewall and the first part extends at an angle between the second part and the second longitudinal flange; a third step of securing the first outer longitudinal sidewall to the first inner longitudinal sidewall and the second outer longitudinal sidewall to the second inner longitudinal sidewall;
  • a fourth step of folding the second-stage partially folded box along the fifth and eighth transverse crease lines to form the fully erected box including:
  • the method can further include a pre-folding step, between the first and second steps, in which the first-stage partially folded box is temporarily folded along the third and sixth longitudinal crease lines. This weakens the third and sixth longitudinal crease lines and facilitates subsequent folding of the first-stage partially folded box along the third and sixth longitudinal crease lines during the second step.
  • the respective outer and inner longitudinal sidewalls are secured using a suitable process, e.g., ultrasonic welding, preferably at a plurality of spaced locations along the longitudinal sides of the fully erected box.
  • Ultrasonic welding is particularly advantageous if the box is to be used for transporting food products because it avoids the use of glues or other adhesives.
  • other ways of securing the respective outer and inner longitudinal sidewalls and the longitudinal and transverse flanges can be used as appropriate.
  • the integral corners make the box watertight.
  • corner regions When the corner regions are folded along the crease lines that extend from the respective blank apex, they form triangular- shaped 'wings' that are preferably located between the adjacent outer and inner longitudinal sidewalls.
  • the first and fourth integral corners are preferably neatly tucked away between the first outer and inner longitudinal sidewalls
  • the second and third integral corners are preferably neatly tucked away between the second outer and inner longitudinal sidewalls so that they do not extend into the interior of the box.
  • the third step can further include securing the first and fourth integral corners to the first inner and outer longitudinal sidewalls and the second and third integral corners to the second inner and outer longitudinal sidewalls.
  • the respective inner and outer longitudinal sidewalls can be secured using ultrasonic welding at the corners of the fully erected box, e.g., through the folded integral corners.
  • the ultrasonic welding equipment must be capable of securing together at least four thicknesses (i.e. layers) of the blank material.
  • the first part of the first inner longitudinal sidewall, the first longitudinal flange, and an upper part of the first outer longitudinal sidewall preferably together define a first longitudinally-extending structure of substantially triangular cross-section in the fully erected box.
  • the first part of the second inner longitudinal sidewall, the second longitudinal flange, and an upper part of the second outer longitudinal sidewall preferably together define a second longitudinally-extending structure of substantially triangular cross-section in the fully erected box.
  • the longitudinal and transverse flanges define the periphery of a box opening.
  • the method can be carried out by a box erecting machine with multiple stations.
  • the first step (and optional pre-folding step) can be carried out by a plunging station
  • the second and third steps can be carried out by a primary folding and securing station
  • the fourth and fifth steps can be carried out by a secondary folding and securing station.
  • the box is held on an indexing assembly that is actuated laterally along an indexing track to move the box progressively from one station to another in a forward direction.
  • the indexing assembly can include a twin drive chain endless conveyor and the forward movement of the indexing assembly can be driven by a servo motor and chain sprocket assembly.
  • the indexing assembly may include a pair of indexing flights which hold the box and which are moved laterally, e.g. by the twin drive chain conveyor, to move the box progressively from one station to another in the forward direction.
  • the pair of indexing flights may include a first indexing flight which engages the first transverse sidewall of the box and a second indexing flight which engages the second transverse sidewall of the box.
  • the indexing assembly can include a plurality of pairs of the indexing flights so that boxes can be positioned simultaneously at different stations of the box erecting machine.
  • the plunging station can include a void defined by vertically-extending longitudinal and transverse fixed folding surfaces that are sized and shaped to fold the blank along the particular longitudinal and transverse crease lines and form the first-stage partially folded box.
  • the transverse folding surfaces are preferably defined by the indexing flights.
  • the blank can be positioned above the void and then moved downwardly into the void (i.e., 'plunged') such that the blank is folded along the particular longitudinal and transverse crease lines by the contact with the longitudinal and transverse folding surfaces.
  • Additional fixed folding surfaces (or guides) can be shaped to fold the blank along the crease lines that extend from the blank apexes to form the integral corners as the blank is moved downwardly into the void.
  • the additional fixed folding surfaces (or guides) can be arranged to fold the blank along the crease lines that extend from the blank apexes to form the integral corners before the blank is folded along the transverse crease lines during the plunging operation.
  • the blank can be held (e.g., by vacuum suction provided by one or more vacuum heads) on an overhead assembly which can position the blank accurately above the void and is actuated to move downwardly into the void.
  • the overhead assembly can be actuated laterally along an overhead track and can be adapted to pick the blank from a stack of blanks positioned at a picking station of the box erecting machine.
  • the blanks can be manually stacked and the stack can be moved automatically (e.g., using a pusher) to a pre-determined position at the picking station where each blank can be picked up in turn by the overhead assembly.
  • the box erecting machine can include a device for ensuring that only a single blank is picked from the stack by the overhead assembly.
  • the device can introduce a jet of pressurised air underneath the top blank as it is picked up by the overhead assembly to separate it from the underlying blank.
  • the forward and reverse movement of the overhead assembly along the overhead track can be driven by a servo motor and optionally utilises a timing belt assembly.
  • the upward and downward movement of the overhead assembly at the picking station for picking a blank and at the plunging station for plunging the blank into the void can be driven by one or more pneumatic cylinders, and typically by two linear rod pneumatic cylinders.
  • the blank Once the blank is positioned within the void by the overhead assembly to form the first-stage partially folded box, it can be held (e.g., by vacuum suction provided by one or more vacuum heads) within the indexing track and released from the overhead assembly.
  • the pre-folding step may comprise temporarily folding the fifth and seventh side regions inwardly, towards the planar base of the first stage partially folded box, along the third and sixth longitudinal crease lines and thereafter allowing the fifth and seventh side regions to return to a position in which they are substantially co-planar respectively with the first and second outer longitudinal sidewalls.
  • the fifth and seventh side regions return (in other words 'spring back') to the aforementioned position (in which they extend upwards in a substantially vertical direction) due to the inherent stiffness and resilience of the blank material.
  • the step of temporarily folding the fifth and seventh side regions inwardly along the third and sixth longitudinal crease lines is typically carried out with the blank positioned in the void.
  • the plunging station may include movable folding surfaces which can be actuated (e.g., by pneumatic cylinders) to temporarily fold the first-stage partially folded box along the third and sixth longitudinal crease lines, i.e., to fold the fifth and seventh side regions inwardly.
  • the folding surfaces may be actuated to move between an operative position in which the folding surfaces contact the fifth and seventh side regions to fold them inwardly and an inoperative position in which the folding surfaces are spaced from the fifth and seventh side regions.
  • the fifth and seventh side regions return (in other words 'spring back') to their original substantially vertical position, co-planar with the first and second outer longitudinal sidewalls, when the folding surfaces are actuated to return to the inoperative position.
  • the folding surfaces are actuated to move to the operative position when the overhead assembly is in its lowermost position to position the blank within the void.
  • Parts of the overhead assembly thus act as fixed folding surfaces (or guides) which facilitate folding of the fifth and seventh side regions along the third and sixth longitudinal crease lines by the movable folding surfaces.
  • the first-stage partially folded box is moved to the primary folding and securing station by the indexing assembly, preferably by the indexing flights.
  • the primary folding and securing station can include folding surfaces that are actuated to fold the first-stage partially folded box along the third and sixth longitudinal crease lines, i.e., to fold the fifth, seventh, ninth, tenth, eleventh and twelfth side regions inwardly.
  • the primary folding and securing station can further include a folding head that is positioned above the first-stage partially folded box and is actuated to move downwardly into the interior of the box with the above-mentioned side regions folded over (i.e., extending substantially horizontally).
  • the folding head can include folding surfaces that are actuated (e.g., by pneumatic cylinders), when the folding head is positioned accurately within the interior of the box, to fold the box along the ninth, tenth, eleventh and twelfth longitudinal crease lines to form the first and second inner longitudinal sidewalls.
  • the primary folding and securing station can further include an ultrasonic welding assembly with one or more welding heads to ultrasonically weld together the adjacent outer and inner longitudinal sidewalls.
  • the one or more welding heads can be actuated to a welding position and switched on for a preselected period of time to perform the ultrasonic weld and secure together the first outer and inner longitudinal sidewalls and the second outer and inner longitudinal sidewalls.
  • the one or more welding heads can be held in the welding position for a preselected period of time to allow the weld to set.
  • the one or more welding heads can be actuated to return to a non-welding position and the folding head is actuated to move upwardly out of the box with its folding surfaces retracted.
  • the second-stage partially folded box is then moved to the secondary folding and securing station by the indexing assembly, preferably by the indexing flights.
  • the secondary folding and securing station can include folding surfaces that fold the second-stage partially folded box along the fifth and eighth transverse crease lines to form the first and second transverse flanges of the fully erected box.
  • a first folding surface can be a fixed folding surface (or guide) that folds the box along the fifth transverse crease line as it is moved laterally by the indexing assembly and the fixed folding surface comes into contact with the moving vertically-extending sixth side region.
  • a second folding surface can be actuated to fold the box along the eighth transverse crease line. The second folding surface can be actuated when the indexing assembly comes to rest and the box is positioned accurately at the secondary folding and securing station.
  • the secondary folding and securing station can further include an ultrasonic welding assembly with one or more welding heads to ultrasonically weld together the longitudinal and transverse flanges.
  • the welding heads can be actuated to a welding position and switched on for a preselected period of time to perform the ultrasonic weld and secure together the longitudinal and transverse flanges where they overlap.
  • the one or more welding heads can be held in the welding position for a preselected period of time to allow the weld to set.
  • the one or more welding heads can be actuated to return to a non-welding position.
  • the ultrasonic welding can be performed with the second folding surface in the actuated position.
  • the method can optionally include a sixth step of piercing the fully erected box to create one or more openings through which liquid can drain from the box.
  • the sixth step may comprise piercing the first transverse sidewall of the erected box formed by the second substantially rectangular side region and/or may comprise piercing the second transverse sidewall of the erected box formed by the fourth substantially rectangular side region.
  • the first transverse sidewall may be pierced at its base at one or more positions adjacent to the first transverse crease line.
  • the second transverse sidewall may be pierced at its base at one or more positions adjacent to the second transverse crease line.
  • the fully erected box can be moved out of the box erecting machine, e.g., to an outlet conveyor, by the indexing assembly, preferably by the indexing flights.
  • the box erecting machine can include safety guards and be operated under the control of a control unit with a suitable human machine interface (HMI).
  • HMI human machine interface
  • the box erecting machine can form part of a processing plant where the fully erected box is filled (e.g., with food products) and closed with a lid.
  • Figure 1 is a plan view of a pre-creased planar blank which can be erected into a box;
  • Figure 2 is an isometric view of a first-stage partially folded box;
  • Figure 3 is an isometric view of a second-stage partially folded box
  • Figure 4 is an isometric view of a fully erected box
  • Figure 5 is an isometric cross-sectional view through the fully erected box of Figure
  • Figure 6 is a schematic illustration of a box erecting machine for erecting the pre- creased planar blank of Figure 1 into the box of Figure 4;
  • Figure 7 is a detail view of a loading station and picking station showing an overhead assembly picking up a pre-creased planar blank as shown in Figure 1;
  • Figure 8 is a first detail view of a plunging station
  • Figure 9 is a second detail view of the plunging station with the pre-creased planar blank held on the overhead assembly prior to plunging;
  • Figure 10 is a detail view of the plunging station of Figures 8 and 9 with the pre- creased blank plunged into a void to form a first-stage partially folded box;
  • Figure 11 is a detail view of the plunging station illustrating a pre-folding step
  • Figure 12 is a detail view of a primary folding and securing station
  • Figure 13 is a detail view of the primary folding and securing station illustrating initial folding of the first-stage partially folded box
  • Figure 14 is a detail view of the primary folding and securing station illustrating further folding of the first-stage partially folded box to form a second-stage partially folded box;
  • Figure 15 is a detail view of an ultrasonic welding assembly at the primary folding and securing station
  • Figure 16 is a detail view of a secondary folding and securing station
  • Figure 17 is a detail view of the secondary folding and securing station showing a first fixed folding surface
  • Figure 18 is a detail view of the secondary folding and securing station showing a second actuated folding surface
  • Figure 19 is a detail view of an outlet conveyer.
  • FIG. 1 there is shown a pre-creased planar blank 20 which is capable of being folded to form a fully erected box 22 (see Figure 4).
  • the blank 20 is typically made of corrugated plastic sheet and is cut and pre-creased along crease lines using any suitable process.
  • the blank 20 includes a substantially rectangular central region 24 that forms a planar base B of the erected box 22 and is bounded by first and second longitudinal crease lines 1L, 2L that form first and second longitudinal bottom edges 1LBE, 2LBE of the erected box 22, and first and second transverse crease lines IT, 2T that form first and second transverse bottom edges 1TBE, 2TBE of the erected box 22.
  • the blank 20 includes a first substantially rectangular side region 1 adjacent the central region 24 that forms a first outer longitudinal sidewall 1 SW of the erected box 22.
  • the first side region 1 is bounded by the first longitudinal crease line 1L, a third longitudinal crease line 3L that forms a first longitudinal top edge 1LTE of the erected box 22, a third transverse crease line 3T that is an extension of the first transverse crease line and forms part of a first vertical edge 1VE of the erected box 22, and a fourth transverse crease line 4T that is an extension of the second transverse crease line 2T and forms part of a second vertical edge 2VE of the erected box 22.
  • the blank 20 includes a second substantially rectangular side region 2 adjacent the central region 24 that forms a first transverse sidewall 1TSW of the erected box 22.
  • the second side region 2 is bounded by the first transverse crease line IT, a fifth transverse crease line 5T that forms a first transverse top edge 1TTE of the erected box 22, a fourth longitudinal crease line 4L that is an extension of the first longitudinal crease line 1L and forms part of the first vertical edge 1VE of the erected box 22, and a fifth longitudinal crease line 5L that is an extension of the second longitudinal crease line 2L and forms part of a third vertical edge 3VE of the erected box 22.
  • the blank 20 includes a third substantially rectangular side region 3 adjacent the central region 24 that forms a second outer longitudinal sidewall 2SW of the erected box 22.
  • the third side region 3 is bounded by the second longitudinal crease line 2L, a sixth longitudinal crease line 6L that forms a second longitudinal top edge 2LTE of the erected box 22, a sixth transverse crease line 6T that is an extension of the first transverse crease line IT and forms part of the third vertical edge 3VE of the erected box 22, and a seventh transverse crease line 7T that is an extension of the second transverse crease line 2T and forms part of a fourth vertical edge 4VE of the erected box 22.
  • the blank 20 includes a fourth substantially rectangular side region 4 adjacent the central region 24 that forms a second transverse sidewall 2TSW of the erected box 22.
  • the fourth side region 4 is bounded by the second transverse crease line 2T, an eighth transverse crease line 8T that forms a second transverse top edge 2TTE of the erected box 22, a seventh longitudinal crease line 7L that is an extension of the first longitudinal crease line 1L and forms part of the second vertical edge 2VE of the erected box 22, and an eighth longitudinal crease line 8L that is an extension of the second longitudinal crease line 2L and forms part of the fourth vertical edge 4VE of the erected box 22.
  • the blank 20 includes first, second, third and fourth substantially square corner regions ICR, 2CR, 3CR, 4CR.
  • the first corner region ICR is adjacent the first and second side regions 1, 2.
  • the first corner region ICR is bounded by the third transverse crease line 3T, the fourth longitudinal crease line 4L, and blank edges that define a first blank apex 1A, and includes a crease line ICL that extends from the first blank apex 1A to the junction of the third transverse crease line 3T and the fourth longitudinal crease line 4L.
  • the second corner region 2CR is adjacent the second and third side regions 2, 3.
  • the second corner region 2CR is bounded by the sixth transverse crease line 6T, the fifth longitudinal crease line 5L, and blank edges that define a second blank apex 2A, and includes a crease line 2CL that extends from the second blank apex 2A to the junction of the sixth transverse crease line 6T and the fifth longitudinal crease line 5L.
  • the third corner region 3CR is adjacent the third and fourth side regions 3, 4.
  • the third corner region 3CR is bounded by the seventh transverse crease line 7T, the eighth longitudinal crease line 8L, and edges that define a third blank apex 3A, and includes a crease line 3CL that extends from the third blank apex 3 A to the junction of the seventh transverse crease line 7T and the eighth longitudinal crease line 8L.
  • the fourth corner region 4CR is adjacent the fourth and first side regions 4, 1.
  • the fourth corner region 4CR is bounded by the fourth transverse crease line 4T, the seventh longitudinal crease line 7L, and blank edges that define a fourth blank apex 4A, and includes a crease line 4CL that extends from the fourth blank apex 4A to the junction of the fourth transverse crease line 4T and the seventh longitudinal crease line 7L.
  • the seventh side region 7 is bounded by the sixth longitudinal crease line 6L, a tenth longitudinal crease line 10L, and blank edges.
  • the eighth side region 8 is adjacent the fourth side region 4 and forms a second transverse flange 2TF of the erected box 22.
  • the eighth side region 8 is bounded by the eighth transverse crease line 8T, and blank edges.
  • the blank 20 includes a ninth substantially rectangular side region 9 adjacent the fifth side region 5 that forms a first part of a first inner longitudinal sidewall 1 SW of the erected box 22.
  • the ninth side region 9 is bounded by the ninth longitudinal crease line 9L, an eleventh longitudinal crease line 11L, and blank edges.
  • the blank 20 includes a tenth substantially rectangular side region 10 adjacent the ninth side region 9 that forms a second part of the first inner longitudinal sidewall 1 SW of the erected box 22.
  • the tenth side region 10 is bounded by the eleventh longitudinal crease line 11L, and blank edges.
  • the blank 20 includes an eleventh substantially rectangular side region 11 adjacent the seventh side region 7 that forms a first part of a second inner longitudinal sidewall 2SW of the erected box 22.
  • the eleventh side region 11 is bounded by the tenth longitudinal crease line 10L, a twelfth longitudinal crease line 12L, and blank edges.
  • the blank 20 includes a twelfth substantially rectangular side region 12 adjacent the eleventh side region 11 that forms a second part of the second inner longitudinal sidewall 2SW of the erected box 22.
  • the twelfth side region 12 is bounded by the twelfth longitudinal crease line 12L, and blank edges.
  • the blank 20 is folded along (i) the first, second, fourth, fifth, seventh and eighth longitudinal crease lines 1L, 2L, 4L, 5L, 7L, 8L, (ii) the first, second, third, fourth, sixth and seventh transverse crease lines IT, 2T, 3T, 4T, 6T, 7T, and (iii) the crease lines 1CL, 2CL, 3CL, 4CL that extend from the first, second, third and fourth blank apexes 1A, 2A, 3A, 4A.
  • the folding carried out in this first step forms a first- stage partially folded box 26 which is best seen in Figure 2.
  • the first-stage partially folded box 26 includes a planar base B formed by the central region 24 of the blank; first and second longitudinal bottom edges 1LBE, 2LBE formed by the first and second longitudinal crease lines 1L, 2L; first and second transverse bottom edges ITBE, 2TBE formed by the first and second transverse crease lines IT, 2T; a first outer longitudinal sidewall 1 SW formed by the first side region 1 and orientated substantially perpendicular to the base B; a first transverse sidewall 1TSW formed by the second side region 2 and orientated substantially perpendicular to the base B; a second outer longitudinal sidewall 2SW formed by the third side region 3 and orientated substantially perpendicular to the base B; a second transverse sidewall 2TSW formed by the fourth side region 4 and orientated substantially perpendicular to the base; a first vertical edge 1VE formed by the third transverse crease line 3T and the fourth longitudinal crease line 4L; a second vertical edge 2VE formed by the fourth transverse crease line 4T and the seventh longitudinal
  • the first-stage partially folded box 26 is folded along the third, sixth, ninth, tenth, eleventh and twelfth longitudinal crease lines 3L, 6L, 9L, 10L, 11L, 12L to form a second-stage partially folded box 28 which is best seen in Figure 3.
  • the second-stage partially folded box 28 includes a first longitudinal top edge 1LTE formed by the third longitudinal crease line 3L; a first transverse top edge ITTE formed by the fifth transverse crease line 5T; a second longitudinal top edge 2LTE formed by the sixth longitudinal crease line 6L; a second transverse top edge 2TTE formed by the eighth transverse crease line 8T; a first longitudinal flange 1LF formed by the fifth side region 5 and orientated substantially parallel to the base B; a second longitudinal flange 2LF formed by the seventh side region 7 and orientated substantially parallel to the base B; a first inner longitudinal sidewall 1 SW (see Figure 5) formed by the ninth and tenth side regions 9, 10, the first inner longitudinal sidewall 1 SW having a first part formed by the ninth side region 9 and a second part formed by the tenth side region 10, the second part being orientated substantially perpendicular to the base B and adjacent a lower part of the first outer longitudinal sidewall 1 SW and the first part extending at an angle between the second part and the first longitudinal
  • the method desirably includes a pre-folding step which is carried out between the first and second steps described above.
  • the first-stage partially folded box 26 shown in Figure 2 is temporarily folded along the third and sixth longitudinal crease lines 3L, 6L. This temporary folding tends to weaken the third and sixth longitudinal crease lines 3L, 6L and facilitates subsequent folding along those crease lines during the second step to form the second-stage partially folded box 28.
  • first part of the first inner longitudinal sidewall I SW, the first longitudinal flange 1LF, and an upper part of the first outer longitudinal sidewall I SW together define a first longitudinally-extending structure of substantially triangular cross-section in the fully erected box 22.
  • first part of the second inner longitudinal sidewall 2SW, the second longitudinal flange 2LF, and an upper part of the second outer longitudinal sidewall 2SW together define a second longitudinally-extending structure of substantially triangular cross-section in the fully erected box 22.
  • This construction is advantageous as it considerably improves the strength and rigidity of the box 22.
  • the integral corners make the box 22 watertight.
  • corner regions ICR, 2CR, 3CR, 4CR are folded along the crease lines 1CL, 2CL, 3CL, 4CL that extend from the respective blank apex 1A, 2A, 3A, 4A, they form triangular-shaped 'wings' 30 (best seen in Figure 5) that are located between the adjacent outer and inner longitudinal sidewalls.
  • the first and fourth integral corners are neatly tucked away between the first outer and inner longitudinal sidewalls I SW, I SW, and the second and third integral corners are neatly tucked away between the second outer and inner longitudinal sidewalls 2SW, 2SW so that they do not extend into the interior of the box 22.
  • first outer longitudinal sidewall I SW is secured to the first inner longitudinal sidewall I SW and the second outer longitudinal sidewall 2SW is secured to the second inner longitudinal sidewall 2SW.
  • the respective outer and inner longitudinal sidewalls I SW and I SW, 2SW and 2SW are secured to each other by ultrasonic welding at a plurality of spaced locations along the longitudinal sides of the fully erected box 22.
  • the third step includes securing the first and fourth integral corners to the first inner and outer longitudinal sidewalls I SW, I SW and the second and third integral corners to the second inner and outer longitudinal sidewalls 2SW, 2SW.
  • the respective inner and outer longitudinal sidewalls are secured by ultrasonic welding at the corners of the fully erected box 22.
  • the second-stage partially folded box 28 shown in Figure 3 is folded along the fifth and eighth transverse crease lines 5T, 8T to form the fully erected box 22 shown in Figure 4.
  • the fully erected box 22 includes a first transverse flange 1TF formed by the sixth side region 6 and orientated substantially parallel to the base B and a second transverse flange 2TF formed by the eighth side region 8 and orientated substantially parallel to the base B.
  • the first transverse flange 1TF is secured to the first and second longitudinal flanges 1LF, 2LF by ultrasonic welding, and the second transverse flange 2TF is similarly secured to the first and second longitudinal flanges 1LF, 2LF.
  • the longitudinal and transverse flanges 1LF, 2LF, 1TF, 2TF define the periphery of a box opening in the fully erected box 22.
  • Embodiments of the method include a sixth step in which the fully erected box 22 is pierced to create one or more openings through which liquid can drain from the box 22.
  • the first transverse sidewall ITSW and the second transverse sidewall 2TSW of the erected box 22 are pierced to form the openings.
  • the first transverse sidewall ITSW is pierced at its base at one or more positions adjacent to the first transverse crease line IT.
  • the second transverse sidewall 2TSW is pierced at its base at one or more positions adjacent to the second transverse crease line 2T.
  • the box erecting machine 50 includes multiple stations, namely: a loading station 100 at which a stack 102 of pre-creased planar blanks is manually loaded by an operator; a picking station 200; a plunging station 300 for carrying out the first folding step and the pre-folding step; a primary folding and securing station 400 for carrying out the second and third steps; and a secondary folding and securing station 500 for carrying out the fourth and fifth steps.
  • the loading station 100 accommodates a stack 102 of pre-creased planar blanks 20 which are manually stacked and loaded by a machine operator.
  • the loading station 100 includes a transport mechanism, such as a pusher, which moves the stack 102 from the loading station 100 to a predetermined position at the picking station 200 where each blank 20 can be picked up in turn by an overhead assembly 202.
  • the overhead assembly 202 includes a vacuum head 204 which applies suction to an upper surface of the top blank 20 in the stack 102 at the picking station 200.
  • the overhead assembly 202 can be actuated to move upwardly by linear rod pneumatic cylinders once suction has been applied by the vacuum head 204 to enable the top blank 20 to be picked from the stack 102.
  • the box erecting machine 50 includes a device (not illustrated) for introducing a jet of pressurised air underneath the top blank 20 as it is picked up by the overhead assembly 202 to separate it from the underlying blank 20.
  • the box erecting machine 50 includes an overhead track 208 along which the overhead assembly 202 can be actuated to move laterally, between the picking station 200 and the plunging station 300.
  • the lateral (i.e. forward and reverse) movement of the overhead assembly 202 along the overhead track 208 is controlled by a servo motor and timing belt assembly to ensure accurate positioning.
  • the plunging station 300 includes a void 302 which is defined by vertically-extending longitudinal and transverse fixed folding surfaces 304, 306 that are sized and shaped to fold the blank 20 along the first and second longitudinal crease lines 1L, 2L and the first and second transverse crease lines IT, 2T to form the first-stage partially folded box 26.
  • the blank 20 is positioned above the void 302 by the overhead assembly 202 as shown in Figure 9.
  • the blank 20 is then moved downwardly (i.e., 'plunged') into the void 302 by the overhead assembly 202 which causes the blank 20 to be folded along the first and second longitudinal crease lines 1L, 2L due to contact with the longitudinal folding surfaces 304 and along the first and second transverse crease lines IT, 2T due to contact with the transverse folding surfaces 306.
  • Additional fixed folding surfaces (or guides) 308 are provided at the corners of the plunging station 300 and are shaped to fold the blank 20 along the crease lines 1CL, 2CL, 3CL, 4CL that extend from the blank apexes 1A, 2A, 3A, 4A to form the integral corners as the blank 20 is moved downwardly into the void 302 by the overhead assembly 202.
  • the additional fixed folding surfaces (or guides) 308 are arranged to fold the blank 20 along the crease lines 1CL, 2CL, 3CL, 4CL before the blank 20 is folded along the first and second transverse crease lines IT, 2T during the plunging operation.
  • the box erecting machine 50 includes an indexing assembly 310 that is actuated laterally along an indexing track to move the box progressively from one station to the next in a forward direction.
  • the indexing assembly 310 includes a twin drive chain endless conveyor and the forward movement of the indexing assembly 310 is driven by a servo motor and chain sprocket assembly.
  • the indexing assembly 310 includes a pair of indexing flights 312 which hold the box and constrain it laterally. The indexing flights 312 are themselves moved laterally by the twin drive chain endless conveyor to move the box from one station to the next in the forward direction.
  • a first indexing flight 312a is provided to engage the first transverse sidewall 1TSW of the box and a second opposing indexing flight 312b is provided to engage the second transverse sidewall 2TSW of the box.
  • the transverse folding surfaces 306 are defined by the first and second indexing flights 312a, 312b.
  • multiple pairs of indexing flights 312 are provided on the endless conveyor so that boxes can be positioned simultaneously at different stations.
  • movable folding surfaces 314 provided on retractable folding members 316 are actuated by pneumatic cylinders 318 to temporarily fold the fifth and seventh side regions 5, 7 inwardly (best seen in Figure 11) and thereby fold the first-stage partially folded box along the third and sixth longitudinal crease lines 3L, 6L.
  • the folding members 316 can be moved by the pneumatic cylinders 318 between an inoperative position, shown in Figure 10, in which the folding surfaces 314 are spaced from the fifth and seventh side regions 5, 7 and an operative position, shown in Figure 11, in which the folding surfaces 314 contact the fifth and seventh side regions 5, 7 and fold them inwardly.
  • the folding members 316 are moved from the inoperative position to the operative position when the overhead assembly 202 is in its lowermost position in the void 302. In this lowermost position, parts of the vacuum head 204 act as fixed folding surfaces (or guides) with which the folding surfaces 314 cooperate to facilitate folding of the fifth and seventh side regions 5, 7 along the third and sixth longitudinal crease lines 3L, 6L.
  • the indexing assembly 310 is actuated so that the indexing flights 312 move the first-stage partially folded box 26 from the plunging station 300 to the primary folding and securing station 400 which is best seen in Figures 12 to 15.
  • the primary folding and securing station 400 includes pneumatic cylinders 402 which have folding surfaces 404.
  • the folding surfaces 404 engage the fifth and seventh side regions so that the first-stage partially folded box 26 is folded along the third and sixth longitudinal crease lines 3L, 6L.
  • the fifth, seventh, ninth, tenth, eleventh and twelfth side regions are folded inwardly as best seen in Figure 13.
  • the primary folding and securing station 400 also includes a folding head 406 that is positioned above the first-stage partially folded box 26 and is actuated to move downwardly by a pneumatic cylinder 408 into the interior of the box with the above- mentioned side regions folded over (i.e., extending substantially horizontally).
  • the folding head 406 (best seen in Figure 14) includes folding surfaces 410 that are actuated again by pneumatic cylinders 412, when the folding head 406 is positioned accurately within the interior of the box, to fold the box along the ninth, tenth, eleventh and twelfth longitudinal crease lines 9L, 10L, 11L, 12L to form the first and second inner longitudinal sidewalls I SW, 2SW.
  • the primary folding and securing station 400 includes an ultrasonic welding assembly 414 to weld together the adjacent outer and inner longitudinal sidewalls I SW and I SW, 2SW' and 2SW.
  • the ultrasonic welding assembly 414 includes three ultrasonic welding heads 416 along each side of the box to ultrasonically weld together the adjacent outer and inner longitudinal sidewalls I SW' and I SW, 2SW' and 2SW.
  • the welding heads 416 are actuated to move to a welding position in which they contact the first and second outer longitudinal sidewalls I SW', 2SW' and are switched on for a preselected period of time to perform the ultrasonic weld and secure together the first outer and inner longitudinal sidewalls 1 SW, 1 SW and the second outer and inner longitudinal sidewalls 2SW, 2SW.
  • the welding heads 416 are held in the welding position for a preselected period of time to allow the weld to set before the welding heads 416 are then actuated to return to a non-welding position and the folding head 406 is actuated to move upwardly out of the box with its folding surfaces retracted.
  • the indexing assembly 310 is actuated once again so that the indexing flights 312 move the second-stage partially folded box 28 formed at the primary folding and securing station 400 to the secondary folding and securing station 500 which is best seen in Figures 16 to 18.
  • the secondary folding and securing station 500 includes first and second folding surfaces 502, 504 which fold the second-stage partially folded box 28 along the fifth and eighth transverse crease lines 5T, 8T to form the first and second transverse flanges ITF, 2TF of the fully erected box 22.
  • the first folding surface 502 is a fixed folding surface (or guide) that contacts the moving vertically-extending sixth side region 6 as the first-stage partially folded box 26 is moved laterally from the primary folding and securing station 400 into the secondary folding and securing station 500 by the indexing assembly 310.
  • the contact between the fixed first folding surface 502 and the sixth side region 6 folds the box along the fifth transverse crease line 5T to form the first transverse flange ITF.
  • the second folding surface 504 is pivotally actuated by a pneumatic cylinder 506 to rotate about pivot axis 508 and thereby contact the eighth side region 8 to fold the box along the eighth transverse crease line 8T to form the second transverse flange 2TF.
  • the pneumatic cylinder 506, and hence the second folding surface 504 is actuated only when the indexing assembly 310 comes to rest and the box is positioned accurately at the secondary folding and securing station 500.
  • the secondary folding and securing station 500 includes an ultrasonic welding assembly with four welding heads 512 which are actuated to ultrasonically weld together the longitudinal and transverse flanges 1LF, 2LF, ITF, 2TF.
  • the welding heads 512 are actuated to a welding position and switched on for a preselected period of time to perform the ultrasonic weld and secure together the longitudinal and transverse flanges 1LF, 2LF, 1TF, 2TF where they overlap.
  • the welding heads 512 are held in the welding position for a preselected period of time to allow the weld to set before they are then actuated to return to a non-welding position.
  • the ultrasonic welding is typically performed with the second folding surface 504 in the actuated position.
  • the indexing assembly 310 is actuated so that the indexing flights 312 move the fully erected box 22 from the secondary folding and securing station 500 to an outlet conveyor 600 which is best seen in Figure 19.
  • the box erecting machine 50 includes safety guards and is operated under the control of a control unit with a suitable human machine interface (FEVII).
  • FEVII human machine interface
  • the box erecting machine 50 forms part of a processing plant where the fully erected box 22 is filled (e.g., with food products) and closed with a lid.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)

Abstract

Procédé de montage d'une découpe plane pré-pliée (20) en une boîte (22) comprenant : une première étape consistant à plier une découpe (20) le long de lignes de pliage sélectionnées; une deuxième étape consistant à plier une boîte partiellement pliée de première phase (26) le long de lignes de pliage sélectionnées; une troisième étape consistant à fixer une première paroi latérale longitudinale extérieure (1SW) à une première paroi latérale longitudinale intérieure (1SW) et une seconde paroi latérale longitudinale extérieure (2SW) à une seconde paroi latérale longitudinale intérieure (2SW); une quatrième étape consistant à plier une boîte partiellement pliée de seconde phase (28) le long de lignes de pliage sélectionnées pour former la boîte entièrement montée (22); et une cinquième étape consistant à fixer un premier rebord transversal (1TF) à des premier et second rebords longitudinaux (1LF, 2LF), et un second rebord transversal (2TF) aux premier et second rebords longitudinaux (1LF, 2LF). La découpe (20) peut être constituée de tout matériau approprié, par exemple, d'une feuille de matière plastique ondulée.
PCT/GB2016/053999 2015-12-23 2016-12-20 Procédé de montage de découpes WO2017109474A1 (fr)

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GB1522720.0 2015-12-23
GB1522720.0A GB2548072B (en) 2015-12-23 2015-12-23 Methods of erecting blanks

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WO2017109474A1 true WO2017109474A1 (fr) 2017-06-29

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Publication number Priority date Publication date Assignee Title
CN108466456B (zh) * 2018-02-14 2024-07-05 温州高晟机械有限公司 一种拼板式多功能制盒机
ES2967369A1 (es) * 2022-10-03 2024-04-29 Cartonajes Bernabeu S A U Recipiente

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JPS4321435Y1 (fr) * 1965-11-22 1968-09-09
FR2044362A5 (fr) * 1969-05-19 1971-02-19 Tailleur Fils Et Cie
US6460758B1 (en) * 1998-02-25 2002-10-08 Sca Packaging Limited Trays
US20090170678A1 (en) * 2007-12-28 2009-07-02 Weyerhaeuser Co. Container-forming assembly

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US2714343A (en) * 1953-08-03 1955-08-02 Baljak Corp Devices for assembling flat box blanks into hollow folding boxes
JPS5142876A (ja) * 1974-10-05 1976-04-12 Hiroshi Tanaka Jikukaitenkudosochito kakuatsuryokuyokishunoyodanseibukuro
JPS51116772A (en) * 1975-04-05 1976-10-14 Gunze Kk Apparatus for automatically assembling foldable box
JPS5349577A (en) * 1976-10-16 1978-05-06 Morinaga & Co Liquidtight container prodvcing method*and liquidtight container
JPS5815030A (ja) * 1981-07-14 1983-01-28 Kyowa Chem Ind Co Ltd 消石灰
JPS5820640A (ja) * 1981-07-24 1983-02-07 洋光堂印刷紙器株式会社 折立て組紙箱の成形法
GB2390359B (en) * 2002-07-05 2005-11-02 Martin Peter Smith Partially erected carton
US7044359B1 (en) * 2003-08-12 2006-05-16 Jeremy Cohen Tray

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Publication number Priority date Publication date Assignee Title
JPS4321435Y1 (fr) * 1965-11-22 1968-09-09
FR2044362A5 (fr) * 1969-05-19 1971-02-19 Tailleur Fils Et Cie
US6460758B1 (en) * 1998-02-25 2002-10-08 Sca Packaging Limited Trays
US20090170678A1 (en) * 2007-12-28 2009-07-02 Weyerhaeuser Co. Container-forming assembly

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EP3184452B1 (fr) 2019-02-20
GB201522720D0 (en) 2016-02-03
GB2548072B (en) 2018-07-04
EP3184452A1 (fr) 2017-06-28

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