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WO2016059440A1 - Sheet joining using a clamping piece for the assembly of crates - Google Patents

Sheet joining using a clamping piece for the assembly of crates Download PDF

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Publication number
WO2016059440A1
WO2016059440A1 PCT/GR2015/000002 GR2015000002W WO2016059440A1 WO 2016059440 A1 WO2016059440 A1 WO 2016059440A1 GR 2015000002 W GR2015000002 W GR 2015000002W WO 2016059440 A1 WO2016059440 A1 WO 2016059440A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheets
piece
joining
clamping piece
fact
Prior art date
Application number
PCT/GR2015/000002
Other languages
French (fr)
Inventor
Lemonia MAKRI
Original Assignee
Makri Lemonia
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 Makri Lemonia filed Critical Makri Lemonia
Publication of WO2016059440A1 publication Critical patent/WO2016059440A1/en

Links

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
    • B65D5/005—Separate or attached stacking elements
    • B65D5/006—Separate corner posts and like elements
    • 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
    • B65D9/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor
    • 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
    • B65D21/0215—Containers with stacking feet or corner elements
    • 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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
    • B65D7/24—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls collapsible, e.g. with all parts detachable
    • B65D7/30—Fastening devices for holding collapsible containers in erected state, e.g. integral with container walls
    • B65D7/32—Fastening devices for holding collapsible containers in erected state, e.g. integral with container walls separate from container 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • 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
    • B65D9/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor
    • B65D9/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor collapsible, e.g. with all parts detachable
    • B65D9/22—Fastening devices for holding collapsible containers in erected state, e.g. integral with container walls
    • B65D9/24—Fastening devices for holding collapsible containers in erected state, e.g. integral with container walls separate from container walls

Definitions

  • the invention concerns the connection of sheets and consists of a clamping piece that includes slits with protrusions, which bind sheets of wood or other material with grooving along their edges. In this way, it is ensured that the piece is securely joined to the sheets. These pieces can be used for the production of crates used for packing fruit or other products.
  • Crates used for packing fruit are made of either wood, cardboard or plastic.
  • Wooden fruit crates consist of wooden corners joined to sheets of wood, plywood, MDF and hardboard. Wooden corners make the crates very resilient, because when they contain packaged products and are stacked, the corners bear the vertical gravitational loads safely. However, wooden corners are joined to the rest of the sheets with wire stitches.
  • cardboard crates single sheets of compact or corrugated cardboard are used. The sheets of cardboard are shaped into crates and then their edges are glued together in a suitable way. The use of glue does not always ensure that the edges of the crates will remain joined.
  • the resistance of cardboard crates during packing and stacking is significantly limited, due to the absence of robust elements such as corners at the edges that can bear vertical gravitational loads.
  • the clamping piece (1) in figure 1a consists of slits (2) that contain protrusions (3).
  • the sheets (4) joined to piece (1) have grooving (5) along their edges.
  • the protrusions (3) of piece (1) fit into the grooves (5) of the sheets (4).
  • the protrusions (3) of piece (1) are of various shapes such as (7), (8), (9), (10), shown in figure 2, or any other shape. The type of protrusion is determined by the material used to make the sheets (4).
  • the grooving (5) of the sheets (4) is of a corresponding shape. Moreover, there can be 1 , 2, 3 or more protrusions (3) in each slit. Equally, there can be 1 , 2, 3 or more grooves (5) along the edges of the sheets (4).
  • the clearance (18) of the slits (2) depends on the thickness of sheets (4).
  • the shape of piece (1) depends on the number of sheets that it joins together and also the required mechanical resistance.
  • the piece (1) can have 1 , 2, 3 or more slits with protrusions, connecting 1 , 2, 3 or more sheets.
  • Piece (1) can have shape (11), figure 3, so that it can be joined to one sheet, shapes (12) and (35) to be joined to two sheets, shape (13) to be joined to three, and shape (14) to be joined to 4 sheets, as well as any other shape with the slits (2) and protrusions (3) of figure 1a, for even more than 4 sheets.
  • the reinforcement section (6) of figure 1a significantly improves the resistance of piece (1).
  • Piece (1) can be made of any synthetic material such as HDPE, LDPE, ABS, PLA, PP, PE, PVC, WPC (synthetic material consisting of wood fibre and polymers), aluminium and also any other material that can be suitably shaped so as to have slits (2) and protrusions (3), as shown in figure 1a.
  • Sheets (4) can be made of wood, plywood, hardboard, MDF, cardboard, synthetic material, iron and also any other material on which the grooves (5) of figure 1a can be created. Grooves (5) are created either by pressure or by removal of material.
  • Sheets (4) are mounted on piece (1) by moving sheets (4) along the grooves (5) and protrusions (3), as shown in figure 4a. Moreover, sheets (4) can be mounted on piece (1) by moving them vertically to the direction of the grooves (5) and protrusions (3), figure 4b, provided pressure is applied on piece (1) by parts (15) and (16), resulting in the widening of opening (18) to the extent that the clearance is larger than the thickness of sheet (4), as shown in figure 4c.
  • the loads applied by pieces (15) and (16) are removed; as a result, opening (18) returns to its initial position and clamps sheet (4).
  • slipping between sheets (4) and piece (1) is avoided by deforming piece (1) at positions (19), (20), (21) and (22) of figure 5a, which are right next to the edges of the sheets.
  • Deformation is achieved by cold or hot compression using a punch. Due to compression, slits (2) of figure 1a become narrower in the areas adjacent to sheets (4) and do not allow slipping in relation to piece (1).
  • part (23) of the corner of sheet (4) in figure 5b is cut off so that the points of deformation (21) and (22) approach points (19) and (20), thus reducing the necessary length of piece (1).
  • the shape of part (23), which is cut off can be rectangular, round or anything else and it can be located at other points as well, such as position (24). When a part is cut off, like at position (24), which is outside the corners of sheet (4), then deformation of piece (1) is only required at positions (19) and (20) to secure the sheet, and not at the edges of the sheet.
  • sheets (4) are secured to piece (1) using the auxiliary piece (25) of figure 5d.
  • Piece (25) has protrusions (38) and (37), as well as grooves (27) and (28).
  • the grooves (5) of sheets (4) extend to area (26) of figure 5c.
  • areas (26) protrude.
  • Protrusion (38) of piece (25) is introduced by clamping in recess (39) of piece (1).
  • the grooves (27) are larger than area (26) of sheet (4), which protrudes from piece (1).
  • piece (25) is fitted to piece (1), figure 5e, and does not allow slipping between sheets (4) and piece (1).
  • Recess (28) allows disassembly of piece (25) from piece (1) using an ordinary screwdriver.
  • FIG. 6a and 6b A crate consisting of a folded sheet (29) and four clamping pieces (1) in its corners is shown in figures 6a and 6b.
  • corners (1) include slits (2) and protrusions (3), as in figure 1a.
  • Sheet (29) originates from the flat sheet (29) of figure 6c, whose contour has been cut, engraved along lines (30), and grooves (5) have been created, as defined by this invention.
  • Sheet (29) is folded along the engraving (30) forming a box with parts (34) as its sides, as shown in figure 6b.
  • the clamping pieces (1) fit into the grooves (5) and connect the edges of parts (34).
  • points (19), (20), (21) and (22) of each piece (1) are compressed, as shown in figure 6a, so as to secure the positions of pieces (1) with the edges of sides (34) of sheet (29).
  • the material of sheet (29) can be similar to that defined by patent FR 2 810 962 - A1.
  • the formation (40) on sheet (29) of figure 6c allow safe stacking and transportation of crates because when the crates are placed one on top of the other and surfaces (41) and (36) of figure 6d touch, surfaces (40) prevent pieces (1) from moving.
  • the openings (31) of figure 6c help to ventilate the products, and openings (32) assist the handling of the crate by consumers.
  • recesses (28) and (33) of figure 7a can be created on the clamping piece (1).
  • Recesses (28) and (33) secure the crates and prevent them moving around during stacking and transportation, as shown in figure 7c.
  • auxiliary component (25) of figure 5d improves the stability of the crates during stacking, because protrusion (37) is freely introduced into slit (39) of piece (1), and does not allow a crate to move in relation to another one.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Packaging Frangible Articles (AREA)
  • Buffer Packaging (AREA)

Abstract

Joining of sheets using a clamping piece for the assembly of crates, consisting of a clamping piece (1) that includes slits (2) with protrusions (3) that hold sheets (4) of wood or other material with respective grooving (5) along their edges. Joining of the clamping piece to the sheets is secured through deformation of the slits at points (19), (20), (21) and (22) or with the use of an auxiliary piece (25). Sheet joining using a clamping piece can be used for the production of boxes for packing fruits and vegetables, crates and containers.

Description

Sheet joining using a clamping piece for the assembly of crates
The invention concerns the connection of sheets and consists of a clamping piece that includes slits with protrusions, which bind sheets of wood or other material with grooving along their edges. In this way, it is ensured that the piece is securely joined to the sheets. These pieces can be used for the production of crates used for packing fruit or other products.
Crates used for packing fruit are made of either wood, cardboard or plastic. Wooden fruit crates consist of wooden corners joined to sheets of wood, plywood, MDF and hardboard. Wooden corners make the crates very resilient, because when they contain packaged products and are stacked, the corners bear the vertical gravitational loads safely. However, wooden corners are joined to the rest of the sheets with wire stitches. In the case of cardboard crates, single sheets of compact or corrugated cardboard are used. The sheets of cardboard are shaped into crates and then their edges are glued together in a suitable way. The use of glue does not always ensure that the edges of the crates will remain joined. Moreover, the resistance of cardboard crates during packing and stacking is significantly limited, due to the absence of robust elements such as corners at the edges that can bear vertical gravitational loads.
The aim of this invention is to solve the problem created by the presence of metal stitches on wooden crates, and also significantly to improve the resistance of cardboard crates, without requiring glue. In this invention, the clamping piece (1) in figure 1a consists of slits (2) that contain protrusions (3). Equally, the sheets (4) joined to piece (1) have grooving (5) along their edges. When connecting piece (1) to sheets (4), the protrusions (3) of piece (1) fit into the grooves (5) of the sheets (4). The protrusions (3) of piece (1) are of various shapes such as (7), (8), (9), (10), shown in figure 2, or any other shape. The type of protrusion is determined by the material used to make the sheets (4). The grooving (5) of the sheets (4) is of a corresponding shape. Moreover, there can be 1 , 2, 3 or more protrusions (3) in each slit. Equally, there can be 1 , 2, 3 or more grooves (5) along the edges of the sheets (4). The clearance (18) of the slits (2) depends on the thickness of sheets (4).
The shape of piece (1) depends on the number of sheets that it joins together and also the required mechanical resistance. The piece (1) can have 1 , 2, 3 or more slits with protrusions, connecting 1 , 2, 3 or more sheets. Piece (1) can have shape (11), figure 3, so that it can be joined to one sheet, shapes (12) and (35) to be joined to two sheets, shape (13) to be joined to three, and shape (14) to be joined to 4 sheets, as well as any other shape with the slits (2) and protrusions (3) of figure 1a, for even more than 4 sheets. The reinforcement section (6) of figure 1a significantly improves the resistance of piece (1).
Piece (1) can be made of any synthetic material such as HDPE, LDPE, ABS, PLA, PP, PE, PVC, WPC (synthetic material consisting of wood fibre and polymers), aluminium and also any other material that can be suitably shaped so as to have slits (2) and protrusions (3), as shown in figure 1a. Sheets (4) can be made of wood, plywood, hardboard, MDF, cardboard, synthetic material, iron and also any other material on which the grooves (5) of figure 1a can be created. Grooves (5) are created either by pressure or by removal of material.
Sheets (4) are mounted on piece (1) by moving sheets (4) along the grooves (5) and protrusions (3), as shown in figure 4a. Moreover, sheets (4) can be mounted on piece (1) by moving them vertically to the direction of the grooves (5) and protrusions (3), figure 4b, provided pressure is applied on piece (1) by parts (15) and (16), resulting in the widening of opening (18) to the extent that the clearance is larger than the thickness of sheet (4), as shown in figure 4c. When sheet (4) has been inserted in the slit (3) of piece (1), the loads applied by pieces (15) and (16) are removed; as a result, opening (18) returns to its initial position and clamps sheet (4).
Slipping between sheets (4) and piece (1) is avoided by deforming piece (1) at positions (19), (20), (21) and (22) of figure 5a, which are right next to the edges of the sheets. Deformation is achieved by cold or hot compression using a punch. Due to compression, slits (2) of figure 1a become narrower in the areas adjacent to sheets (4) and do not allow slipping in relation to piece (1). In order to save space, part (23) of the corner of sheet (4) in figure 5b is cut off so that the points of deformation (21) and (22) approach points (19) and (20), thus reducing the necessary length of piece (1). The shape of part (23), which is cut off, can be rectangular, round or anything else and it can be located at other points as well, such as position (24). When a part is cut off, like at position (24), which is outside the corners of sheet (4), then deformation of piece (1) is only required at positions (19) and (20) to secure the sheet, and not at the edges of the sheet.
In the present invention, it is also suggested that sheets (4) are secured to piece (1) using the auxiliary piece (25) of figure 5d. Piece (25) has protrusions (38) and (37), as well as grooves (27) and (28). The grooves (5) of sheets (4) extend to area (26) of figure 5c. When sheets (4) are mounted on piece (1), areas (26) protrude. Protrusion (38) of piece (25) is introduced by clamping in recess (39) of piece (1). The grooves (27) are larger than area (26) of sheet (4), which protrudes from piece (1). Thus, piece (25) is fitted to piece (1), figure 5e, and does not allow slipping between sheets (4) and piece (1). Recess (28) allows disassembly of piece (25) from piece (1) using an ordinary screwdriver.
The present invention can be applied to the production of packing crates and crates used for packing agricultural products, in particular. A crate consisting of a folded sheet (29) and four clamping pieces (1) in its corners is shown in figures 6a and 6b. According to this invention, corners (1) include slits (2) and protrusions (3), as in figure 1a. Sheet (29) originates from the flat sheet (29) of figure 6c, whose contour has been cut, engraved along lines (30), and grooves (5) have been created, as defined by this invention. Sheet (29) is folded along the engraving (30) forming a box with parts (34) as its sides, as shown in figure 6b. The clamping pieces (1) fit into the grooves (5) and connect the edges of parts (34). Then points (19), (20), (21) and (22) of each piece (1) are compressed, as shown in figure 6a, so as to secure the positions of pieces (1) with the edges of sides (34) of sheet (29). The material of sheet (29) can be similar to that defined by patent FR 2 810 962 - A1. The formation (40) on sheet (29) of figure 6c allow safe stacking and transportation of crates because when the crates are placed one on top of the other and surfaces (41) and (36) of figure 6d touch, surfaces (40) prevent pieces (1) from moving. The openings (31) of figure 6c help to ventilate the products, and openings (32) assist the handling of the crate by consumers. For better securing of the above crates during stacking, recesses (28) and (33) of figure 7a can be created on the clamping piece (1). Recesses (28) and (33) secure the crates and prevent them moving around during stacking and transportation, as shown in figure 7c.
The use of the auxiliary component (25) of figure 5d improves the stability of the crates during stacking, because protrusion (37) is freely introduced into slit (39) of piece (1), and does not allow a crate to move in relation to another one.

Claims

C L A I M S
1. Joining of sheets using a clamping piece characterised by the fact that the clamping piece (1) includes slits (2) with protrusions (3) in which to mount sheets (4) with grooving (5) that matches the protrusions (3) of the clamping piece so as to create a stable connection between them, and by suitably combining more sheets and clamping pieces crates can be assembled.
2. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that piece (1) can have 1 , 2, 3 or more slits (2) with protrusions (3) that can be connected to 1 , 2, 3 or more sheets.
3. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that the protrusions (3) of piece (1) have different shapes, such as (7), (8), (9), (10) or any other shape.
4. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that the number of protrusions (3) of the pieces (1) and also the grooves (5) along the edges of sheets (4) can be 1 , 2, 3 or more, and that the protrusions (3) have similar dimensions and shapes as the grooves (5).
5. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that the grooves (5) are formed either by pressure or by removal of material.
6. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that piece (1) has a reinforcement section (6) that significantly improves its resistance.
7. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that piece (1) can be made of any synthetic material such as HDPE, LDPE, ABS, PLA, PP, PE, PVC, WPC (synthetic material consisting of wood fibre and polymers), aluminium, iron and also any other material that can be suitably shaped so as to have slits (2) and protrusions (3).
8. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that the material of sheet (4) can be wood, plywood, hardboard, MDF, compact or corrugated cardboard, plastic, synthetic material, aluminium, iron and any other material on which grooves (5) can be formed.
9. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that the sheets (4) are mounted on the slits (2) of piece (1) by moving the sheets (4) along the slits (2) and fitting the protrusions (3) to the grooves (5).
10. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that by applying pressure on the reinforcement (6) of piece (1) through parts (15) and (16), the opening (18) of the slit widens and sheet (4) is introduced vertically to the direction of the grooves (5) and the protrusions (3), while by removing the loads the opening (18) of the slit returns to its initial position and clamps the sheet (4).
11. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that slipping between sheets (4) and piece (1) is prevented by deforming piece (1) by cold or hot compression with the use of a mechanical punch or through an ultrasonic welding system, narrowing slits (2) at positions (19), (20), (21) and (22), which are located exactly next to the edges of sheets (4) or in areas (23) or (24), where a rectangular, round or of any otherwise shaped part has been cut off from sheet (4).
12. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that the auxiliary piece (25) is mounted by clamping to piece (1) and has grooves (27) that do not allow sheets (4) to move, the grooves (5) of which extend to area (26).
13. Joining of sheets using a clamping piece, according to claim 1 and 12, which is characterised by the fact that the recess (28) of auxiliary piece (25) allows disassembly of piece (25) from piece (1) using an ordinary screwdriver.
14. Joining sheets using a clamping piece, in accordance with claim 1 , for the production of any size of crate for packing fruit and vegetables, any type of food, containers of packed liquids such as wine, components or spare parts.
15. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that the auxiliary piece (25) has a protrusion (37) that freely enters the recess (39) of the adjacent piece (1), and significantly improves crate securing when stacked during packaging, transportation and storage.
16. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that piece (1) has recesses (28) and (33) that secure the crates during packing, transportation and storage.
17. Joining of sheets using a clamping piece, according to claim 1 , which is characterised by the fact that slit (2) clearance and also the size of the protrusions (3) and grooves (5) depends on the thickness of the sheet (4) material.
18. Joining of sheets using a clamping piece, according to claims 1 and 11 , which is characterised by the fact that the protrusions (3) can be formed locally and not all along the length of piece (1) even after sheets (4) have been placed in the slits (2) thus deforming piece (1) at points (20) by cold or hot compression using a mechanical punch or an ultrasonic welding system.
PCT/GR2015/000002 2014-10-15 2015-01-15 Sheet joining using a clamping piece for the assembly of crates WO2016059440A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GR20140100522 2014-10-15
GR20140100522A GR20140100522A (en) 2014-10-15 2014-10-15 Connection of sheets via a restraint piece for the assembly of containers

Publications (1)

Publication Number Publication Date
WO2016059440A1 true WO2016059440A1 (en) 2016-04-21

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WO (1) WO2016059440A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3309086A1 (en) * 2016-10-17 2018-04-18 Fruit Packaging Innovations, S.L. Dismountable and stackable crate
WO2019239205A1 (en) * 2018-06-12 2019-12-19 Gambina Vito Multifunctional stackable container for fruit and vegetable products
JP2020040704A (en) * 2018-09-10 2020-03-19 岐阜プラスチック工業株式会社 box

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US6319184B1 (en) * 1998-06-09 2001-11-20 Bob Dematteis Co. Apparatus and process for producing cold seal in plastic bags
FR2810962A1 (en) 2000-06-29 2002-01-04 Roland Noilhan PRE-CUT PLATE, ALLOWING FOR A FOLDED POSITION OF A VOLUME, IN PARTICULAR A PACKAGING, AND PACKAGING THUS OBTAINED

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EP3309086A1 (en) * 2016-10-17 2018-04-18 Fruit Packaging Innovations, S.L. Dismountable and stackable crate
WO2018073048A1 (en) * 2016-10-17 2018-04-26 Manuel Blay Orenga Disassemblable and stackable crate
CN109843734A (en) * 2016-10-17 2019-06-04 M·布雷奥伦加 Detachable stackable crate
WO2019239205A1 (en) * 2018-06-12 2019-12-19 Gambina Vito Multifunctional stackable container for fruit and vegetable products
JP2020040704A (en) * 2018-09-10 2020-03-19 岐阜プラスチック工業株式会社 box

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