EP1205389A2 - Structure pliable et sa découpe de carton - Google Patents

Structure pliable et sa découpe de carton Download PDF

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Publication number
EP1205389A2
EP1205389A2 EP01309318A EP01309318A EP1205389A2 EP 1205389 A2 EP1205389 A2 EP 1205389A2 EP 01309318 A EP01309318 A EP 01309318A EP 01309318 A EP01309318 A EP 01309318A EP 1205389 A2 EP1205389 A2 EP 1205389A2
Authority
EP
European Patent Office
Prior art keywords
blank
flutes
blank according
folded structure
flute
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Withdrawn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
EP01309318A
Other languages
German (de)
English (en)
Other versions
EP1205389A3 (fr
Inventor
Brian Crompton Jones
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.)
Huhtamaki BCP Ltd
Original Assignee
Blackburn Corrugated Paper Co 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 Blackburn Corrugated Paper Co Ltd filed Critical Blackburn Corrugated Paper Co Ltd
Publication of EP1205389A2 publication Critical patent/EP1205389A2/fr
Publication of EP1205389A3 publication Critical patent/EP1205389A3/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Withdrawn legal-status Critical Current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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes
    • B65D65/403—Applications of laminates for particular packaging purposes with at least one corrugated layer
    • 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
    • B65D5/56—Linings or internal coatings, e.g. pre-formed trays provided with a blow- or thermoformed layer
    • B65D5/566—Linings made of relatively rigid sheet material, e.g. carton

Definitions

  • the present invention relates to a folded structure (particularly though not exclusively a liner for placing inside a carton, for example to protect and position a bottle or any other item within the carton), to a blank for making such a structure, and to a method of manufacturing the blank.
  • Liners for placing inside cartons have commonly been manufactured by stamping out a blank from a sheet of composite packaging material comprising flat upper and lower layers bonded to an inner layer which is fluted, and forming fold-lines thereon so as to enable the blank to be folded to assume the required three-dimensional shape.
  • the flutes of the inner layer are straight flutes which run parallel or perpendicular to the blank edges.
  • the fold lines extending parallel to the flute direction do not produce accurate folds due to the natural tendency of the composite material to fold along a valley of the fluted layer. Such difficulties result in an inaccurately folded liner, which will not fit properly within the carton. In some instances, the automatic folding machine may become blocked as a result.
  • a blank for forming into a folded structure by folding the blank about at least one fold line the blank being stamped or cut from a layered material which includes at least one layer having non-linear flutes formed therein.
  • the folded structure is a liner for a carton.
  • the layered material comprises upper and lower layers bonded to an inner, fluted layer.
  • each flute is provided in the form of a pattern defined by at least two different directions which alternate.
  • said at least two directions are disposed at an angle of less than 90° to each other.
  • the blank has a plurality of fold lines therein.
  • the blank has a plurality of panels, defined by edge portions and fold lines extending across said edge portions, which form, in the assembled structure at least back, front, base and side panels.
  • the structure also has a lid panel, which may be continuous with the back panel.
  • the flutes are formed by embossing.
  • the flutes are in the form of a wavy or smoothly undulating pattern, i.e. there are many different but contiguous directions.
  • the flutes are provided in the form of a zig-zag pattern, i.e. there are essentially only two directions oriented at an angle to each other with the flutes alternating between the two.
  • these patterns have many repeats over the entire blank, such that each flute has both local direction (for example one or the other of the aforesaid at least two directions) and a global direction (i.e. its overall direction with respect to the edges of the blank).
  • the flutes may run (in the sense of the global direction) either up and down the blank (i.e. from the edge of the lid or back panel to the edge of the front panel), or from side to side (i.e. from the edge of one side panel to the edge of the other side panel).
  • none of the fold lines will run (in the sense of the local direction) along or parallel to a flute, eliminating the problem of inaccurate folding.
  • a method of manufacturing a blank for forming into a folded structure including stamping or cutting out a blank from a layered material which includes at least one layer having non-linear flutes therein, and forming at least one fold line in said blank.
  • the method includes forming the flutes by embossing.
  • a folded structure formed by folding about said at least one fold line in a blank according to the first aspect of the present invention.
  • the folded structure is a liner for a carton.
  • the material for the blank is a layered material comprising upper and lower layers bonded to an inner layer having a plurality of non-linear flutes, for example wavy flutes 30 (see Figure 3).
  • a pre-determined fold-line which may be formed by scoring, perforating, or both.
  • horizontal fold lines 15, 17, 19 are located between the lid, back, base and front portions 22, 16, 12 and 14 respectively, and vertical fold lines 21, 23 are located between the back portion 16 and an adjacent side portion 18, 20 respectively.
  • Such a blank may be folded along these fold lines, as illustrated in Figure la, to form a box-like three dimensional shape which fits exactly inside the carton for which the liner has been designed.
  • prior art methods for producing liners have stamped out blanks 40 from a web 42 in order for the edges to be at an angle to the flute direction. Accordingly, subsequent folds will not be parallel to the direction of the flutes 44.
  • such methods produce a high wastage of material.
  • the present invention does not produce such a high wastage and minimises any wastage.
  • the flutes 54 of the present invention are non-linear and therefore do not suffer from the same problem of prior art linear flutes.
  • the blanks 50 for the liners can be stamped out of the web 52 with minimal waste.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Making Paper Articles (AREA)
EP01309318A 2000-11-03 2001-11-02 Structure pliable et sa découpe de carton Withdrawn EP1205389A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0026897A GB0026897D0 (en) 2000-11-03 2000-11-03 Folded structure and blank therefor
GB0026897 2000-11-03

Publications (2)

Publication Number Publication Date
EP1205389A2 true EP1205389A2 (fr) 2002-05-15
EP1205389A3 EP1205389A3 (fr) 2004-04-07

Family

ID=9902501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01309318A Withdrawn EP1205389A3 (fr) 2000-11-03 2001-11-02 Structure pliable et sa découpe de carton

Country Status (2)

Country Link
EP (1) EP1205389A3 (fr)
GB (1) GB0026897D0 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10204972A1 (de) * 2002-02-06 2003-08-14 Klug Conservation Walter Klug Faltzuschnitt für Schachteln und Schachtel zur Archivierung und zum Transport von Exponaten
WO2004101268A1 (fr) * 2003-05-16 2004-11-25 Blackburn Corrugated Paper Co Limited Carton blanchi ondule ayant une doublure a face pre-imprimee

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB304553A (en) * 1928-06-01 1929-01-24 Alexander John Ferguson Improvements in and connected with the packing of biscuits
FR2431917A1 (fr) * 1978-07-26 1980-02-22 Gall Jean Le Nouveau carton ondule pour la fabrication d'emballage de petites dimensions a partir d'un flan decoupe
JPS62184848A (ja) * 1986-02-10 1987-08-13 市川　博夫 強化複合コルゲ−ト体およびその製造方法
US5568877A (en) * 1994-09-19 1996-10-29 Boise Cascade Corporation Method of manufacture for container for hot food
JPH1035640A (ja) * 1996-07-23 1998-02-10 Sapporo Breweries Ltd 段ボール箱

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB304553A (en) * 1928-06-01 1929-01-24 Alexander John Ferguson Improvements in and connected with the packing of biscuits
FR2431917A1 (fr) * 1978-07-26 1980-02-22 Gall Jean Le Nouveau carton ondule pour la fabrication d'emballage de petites dimensions a partir d'un flan decoupe
JPS62184848A (ja) * 1986-02-10 1987-08-13 市川　博夫 強化複合コルゲ−ト体およびその製造方法
US5568877A (en) * 1994-09-19 1996-10-29 Boise Cascade Corporation Method of manufacture for container for hot food
JPH1035640A (ja) * 1996-07-23 1998-02-10 Sapporo Breweries Ltd 段ボール箱

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 06, 30 April 1998 (1998-04-30) -& JP 10 035640 A (SAPPORO BREWERIES LTD;SUMAIRU:KK), 10 February 1998 (1998-02-10) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10204972A1 (de) * 2002-02-06 2003-08-14 Klug Conservation Walter Klug Faltzuschnitt für Schachteln und Schachtel zur Archivierung und zum Transport von Exponaten
WO2004101268A1 (fr) * 2003-05-16 2004-11-25 Blackburn Corrugated Paper Co Limited Carton blanchi ondule ayant une doublure a face pre-imprimee

Also Published As

Publication number Publication date
EP1205389A3 (fr) 2004-04-07
GB0026897D0 (en) 2000-12-20

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