EP0351216A2 - Boîtes de présentation - Google Patents

Boîtes de présentation Download PDF

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Publication number
EP0351216A2
EP0351216A2 EP89307101A EP89307101A EP0351216A2 EP 0351216 A2 EP0351216 A2 EP 0351216A2 EP 89307101 A EP89307101 A EP 89307101A EP 89307101 A EP89307101 A EP 89307101A EP 0351216 A2 EP0351216 A2 EP 0351216A2
Authority
EP
European Patent Office
Prior art keywords
opening
edge
fold line
corner
tab
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP89307101A
Other languages
German (de)
English (en)
Other versions
EP0351216A3 (fr
Inventor
Richard C/O D & S Packaging Limited Drew
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
D & S Packaging Ltd
Original Assignee
D & S Packaging Ltd
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 D & S Packaging Ltd filed Critical D & S Packaging Ltd
Publication of EP0351216A2 publication Critical patent/EP0351216A2/fr
Publication of EP0351216A3 publication Critical patent/EP0351216A3/fr
Withdrawn legal-status Critical Current

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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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4204—Inspection openings or windows
    • 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4266—Folding lines, score lines, crease lines

Definitions

  • the present invention relates to display boxes, and in particular, to composite blanks for erectable display boxes of the type comprising a blank of an opaque material having a fold line defining a corner of the erected box and an opening straddling the said corner and closed by a blank of transparent sheet plastics material.
  • the transparent sheet overlaps the opaque material (usually cardboard) to allow adhesive to be used to secure the two components together.
  • the transparent sheet usually UPVC
  • Previous proposals have addressed the difficulty in relation to a fold line part way along a straight edge of the opening and extending perpendicular to the edge of the opening.
  • a notch is cut in the UPVC at the fold line to take the edge of the UPVC back beyond the edge of the opening.
  • the edge of the UPVC and the edge of the cardboard then define a small hole at the fold line. The two components are thus attached to either side of the fold line but not at the fold line.
  • a blank according to the invention is characterised in that the edge of the opening has a first portion extending alongside the fold line to one side thereof and a second portion extending away from the fold line to the other side thereof, in that the corner between the first and second portions is formed to provide a tab of opaque material which projects into the opening from the body of the opaque material and which meets one of the said portions at a concavity located at the fold line, in that the edge of the sheet plastics material overlaps the edge of the opaque material and the tab except at the concavity, and in that the sheet plastics material is attached to the opaque material in the region of overlap, including at the tab.
  • the tab is preferably located wholly on the same side of the fold line as the said first portion.
  • the outline of the tab preferably has two concave corners and a convex corner, one of the concave corners being the aforesaid concavity.
  • the tab preferably has an edge portion which extends away from the concavity parallel to the fold line.
  • the edge of the plastics material preferably has first and second portions which extend generally parallel to the edge of the opening outside the region of the corner, and which are connected by a third portion which extends into the opening at the concavity.
  • the third portion may be straight along substantially the whole of its length.
  • the edge of the opening preferably extends parallel to the fold line to one side thereof.
  • the edge of the opening preferably extends perpendicular to the fold line to the other side thereof.
  • the composite blank 10 shown in the drawings is for use in constructing an erectable display box 12 (Fig. 2).
  • the blank 10 is of the type comprising a blank 14 of an opaque material (cardboard) having a fold line 16 defining a corner 16A of the erected box 12 and an opening 18 straddling the said corner 16A and closed by a blank 20 of transparent sheet plastics material (UPVC).
  • UPVC transparent sheet plastics material
  • the plastics material overlaps the edge 22 of the opening 18.
  • the edge 22 of the opening 18 extends at 22A alongside the fold line 16 to one side thereof and extends at 22B away from the fold line 16 to the other side thereof, to form a corner 24 in the opening 18 in the region of the fold line 16.
  • the edge of the plastics material 20 has first and second portions 20A,20B extending generally parallel to the edge 22A, 22B of the opening 18 outside the region of the corner 24.
  • the first and second portions 20A, 20B are connected by a third portion 20C which extends out of the line of the portions 20A, 20B and is at or within the edge of the opening 18 at the fold line 16.
  • the edge portions 22B, 22A of the opening 18 run perpendicular to each other, towards the corner 24.
  • the corner 24 is not formed by a simple, single right-angle concavity such as would be located at 26 if the portions 22A, 22B were continued along the dotted lines shown in Fig. 1.
  • the corner 24 has a more complex form, in that the cardboard is cut to form a tab 28 located in the corner, and projecting into the opening 18 from the body of the cardboard 14.
  • the tab 28 is generally square or rectangular. Its outline meets the portion 22B at a first concavity 30, and meets the portion 22A at a second concavity 32. Between the concavities 30, 32, the tab 28 has a convex corner 34.
  • the concavity 30 is close to a right angle, so that the edge of the tab runs parallel to the fold line 16 between the concavity 30 and the convex corner 34.
  • the convex corner 34 and the concavity 32 may be rounded to increase the attractiveness of the assembled box.
  • the fold line 16 is formed in the cardboard 14 by scoring.
  • the line runs perpendicular to the portion 22B and crosses the portion 22B close to the end thereof, but slightly spaced from the concavity 30, so that the fold line 16 is slightly spaced from the edge of the tab 28.
  • a second fold line 36, perpendicular to the line 16 runs across the body of the cardboard 14, perpendicular to the fold line 16 and within the body of the cardboard 14.
  • the two edges 20A, 20B of the UPVC sheet 20 are perpendicular to one another and aligned to be parallel with the edges 22A, 22B of the opening 18.
  • the portions 20A, 20B do not meet at a perpendicular corner, as indicated at 30A by broken line continuations of the portions 20A, 20B, but rather, are connected by the third portion 20C which is a straight edge running diagonally between the two portions 20A, 20B.
  • the portion 20C is angled and positioned such that it lies within the boundary of the cardboard 14 along the whole of its length except in the region of the fold line 16, where it is outside the edge of the cardboard for a short length at the concavity 30.
  • the concavity 30 and the edge portion 20C form between them a tiny opening through which the fold line 16 passes.
  • the spacing between the edges 20B, 22B and between the edge 20A, 22A provide a broad band of overlap, along which adhesive can be used to firmly secure together the cardboard 14 and UPVC 20.
  • the tab 28 provides a large area of overlap along part of the length of the portion 20C, to allow for adhesive.
  • the two components can be firmly adhered together except in the immediate vicinity of the fold line 16, where the small opening formed at the concavity 30 allows a satisfactory fold to be made.
  • a blank as shown in Fig. 1 can be folded along the fold lines 16, 36 to form a box having a corner like that shown in Fig. 2. It can be seen that the erected box has an opening 18 which straddles the corner 16A of the box, but that the bulk of the opening 18 is on the upper face of the box as shown in Fig. 2. On the other side of the corner 16A, the opening 18 is only a relatively narrow strip between the edge 22A and the corner 16A. The size of the opening 18 on this side of the corner 16A is further reduced by the presence of the tab 28. However, the overall appearance of the box, including the tab 28, is considered to be attractive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
EP89307101A 1988-07-15 1989-07-13 Boítes de présentation Withdrawn EP0351216A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888816888A GB8816888D0 (en) 1988-07-15 1988-07-15 Display boxes
GB8816888 1988-07-15

Publications (2)

Publication Number Publication Date
EP0351216A2 true EP0351216A2 (fr) 1990-01-17
EP0351216A3 EP0351216A3 (fr) 1990-05-30

Family

ID=10640516

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89307101A Withdrawn EP0351216A3 (fr) 1988-07-15 1989-07-13 Boítes de présentation

Country Status (2)

Country Link
EP (1) EP0351216A3 (fr)
GB (2) GB8816888D0 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9011552D0 (en) * 1990-05-23 1990-07-11 Waddingtons Cartons Ltd Improvements relating to composite blanks and methods of their manufacture
US5160083A (en) * 1991-10-16 1992-11-03 Rexham Corporation Windowed folding cartons
CA2084309A1 (fr) * 1992-12-04 1994-06-05 John Mcdonnell Boite de presentation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368733A (en) * 1966-05-05 1968-02-13 Wainberg Daniel Containers
GB2188614A (en) * 1986-04-05 1987-10-07 Newport Box And Packaging Comp Windowed display cartons

Also Published As

Publication number Publication date
GB8916101D0 (en) 1989-08-31
EP0351216A3 (fr) 1990-05-30
GB2220643B (en) 1992-08-19
GB2220643A (en) 1990-01-17
GB8816888D0 (en) 1988-08-17

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