EP0814025A1 - Blank for a box with at least one curved wall - Google Patents

Blank for a box with at least one curved wall Download PDF

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Publication number
EP0814025A1
EP0814025A1 EP97201848A EP97201848A EP0814025A1 EP 0814025 A1 EP0814025 A1 EP 0814025A1 EP 97201848 A EP97201848 A EP 97201848A EP 97201848 A EP97201848 A EP 97201848A EP 0814025 A1 EP0814025 A1 EP 0814025A1
Authority
EP
European Patent Office
Prior art keywords
curving
blank
auxiliary
main
box
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.)
Granted
Application number
EP97201848A
Other languages
German (de)
French (fr)
Other versions
EP0814025B1 (en
Inventor
Paul Westerman
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.)
M.Y. CARTONS B.V.
Original Assignee
Waddington Imca BV
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
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Application filed by Waddington Imca BV filed Critical Waddington Imca BV
Publication of EP0814025A1 publication Critical patent/EP0814025A1/en
Application granted granted Critical
Publication of EP0814025B1 publication Critical patent/EP0814025B1/en
Anticipated expiration legal-status Critical
Revoked 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
    • B65D5/02—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 or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/0209—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 or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body the tubular body having a curved or partially curved cross-section

Definitions

  • the invention relates to a blank as according to the preamble of claim 1.
  • Such a blank is known from DE-U-9318467 and DE-U-9002504.
  • the curving main surfaces of such a known blank are bounded by at least two cut edges which in the corresponding box formed by the blank connect poorly to the adjoining main end surfaces.
  • the invention has for its object to cause the curved wall of the corresponding box to connect well onto the end walls and provides for this purpose a blank as according to claim 1.
  • the blank according to the invention preferably has at least two, and more preferably at least three, curving auxiliary surfaces located at a mutual distance on at least one and preferably two folding edge(s) of one and preferably two curving main surface(s).
  • the number and shape of the curving auxiliary surfaces of a blank according to the invention will depend on the desired curve of the curving wall and on the desired closure of the curving wall relative to the end wall.
  • a preferred embodiment of a blank 1 according to the invention has two flat main surfaces 2, 4; two curving main surfaces 3, 5; two end main surfaces 6, 6'. These main surfaces 2, 4, 3, 5, 6, 6' of the blank form the walls of the corresponding box shown in figure 3.
  • the curving main surface 3, 5 is coupled at a folding edge A to a number of curving auxiliary surfaces 10, 11, 12.
  • Each curving surface 3, 5 preferably has two opposite folding edges A which are each provided with a number of, and preferably three, curving auxiliary surfaces 10, 11, 12.
  • a space 13, 14 is provided between the curving auxiliary surfaces, which space is bounded by a cut edge.
  • the curving auxiliary surfaces 10, 11, 12 are positioned in a mirror-symmetrical pattern relative to the middle of folding edge A of curving main surface(s) 3, 5.
  • the curving auxiliary surfaces 12 are of a larger dimension than the other curving auxiliary surfaces 10, 11.
  • the size and shape of curving auxiliary surface 12 are chosen such that in the formed corresponding box (figure 3, 4) they lie against each other in the same plane.
  • the curving main surface 5 is coupled along the full length to a peripheral auxiliary surface 7.
  • Blank 1 comprises two auxiliary end surfaces 8 and 9 which preferably have the same dimension and the same shape as the main end surfaces 6, 6'.
  • a curving auxiliary surface 12 will be received on each box end between an auxiliary end surface 8, 9 and a main end surface 6, 6', which main end surface 6, 6' forms the outer end wall.
  • FIG. 1 Another embodiment of a blank 17 has auxiliary end surfaces 15, 16 with a shape differing slightly from main end surfaces 6, 6', from which the corresponding box is shown in figure 4 and which box has the same shape and dimension as the box of figure 3.
  • the blank 1, 17 is first folded along folding edges B, whereafter the auxiliary surface 7 is fixed to the main surface 2 of the blank, for instance by gluing to form a flat wall 20, thereby obtaining a tube.
  • the curving auxiliary surfaces 10, 11 are then folded inward on which the auxiliary end surfaces 8, 9 respectively 15, 16 are placed, whereafter the curving auxiliary surfaces 12 are folded thereover and whereafter finally the main end surfaces 6, 6' are placed on the already folded-up assembly to form the end wall 18, 21.
  • the curvature of a cut edge of the end wall corresponds with the curvature of the curving wall 19.
  • the end wall 18, 21 also connects well onto the other walls of the box. All parts are preferably mutually adhered by means of an adhesive such as glue.
  • the curving surface is held in its curved position in that a curving auxiliary surface 12 is enclosed between an auxiliary end surface and a main end surface and also in that the curving auxiliary surfaces 10, 11 are arranged relative to curving auxiliary surface 12 in interwoven manner between the auxiliary end surface.
  • Assembly of a box formed by a blank according to the invention can be formed in other manner, in particular with another folding sequence.
  • the curving auxiliary surfaces 10, 11, 12 can differ in number and shape from the above illustrated preferred embodiments.

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

Abstract

The invention relates to a blank with main (2-6) and auxiliary surfaces (10,11,12), which main surfaces form the walls of the corresponding box, wherein the main surfaces are mutually separated from the auxiliary surfaces by substantially straight folding edges (A) and wherein at least one main surface is adapted as a curving main surface (3,5) which defines a curved outer wall in the corresponding box, wherein at least one folding edge (A) of the curving main surface (3,5) of the blank is coupled to at least one curving auxiliary surface (10,11,12).
The invention also relates to a box formed by the blank according to the invention.

Description

  • The invention relates to a blank as according to the preamble of claim 1.
  • Such a blank is known from DE-U-9318467 and DE-U-9002504.
  • The curving main surfaces of such a known blank are bounded by at least two cut edges which in the corresponding box formed by the blank connect poorly to the adjoining main end surfaces.
  • In the blank according to DE-U-9002504 a connection is obtained by means of other auxiliary lips and complicated auxiliary constructions.
  • The invention has for its object to cause the curved wall of the corresponding box to connect well onto the end walls and provides for this purpose a blank as according to claim 1.
  • The end walls of the blank according to GB-A-773138 connect onto the curving surfaces although these end surfaces are separated from the main surfaces by means of curved folding edges, which causes drawbacks in respect of the available volume and the stackability of boxes obtained with this blank.
  • The blank according to the invention preferably has at least two, and more preferably at least three, curving auxiliary surfaces located at a mutual distance on at least one and preferably two folding edge(s) of one and preferably two curving main surface(s). The number and shape of the curving auxiliary surfaces of a blank according to the invention will depend on the desired curve of the curving wall and on the desired closure of the curving wall relative to the end wall.
  • The invention is further elucidated with reference to the following figure description of a number of preferred embodiments of the invention.
  • In the drawings:
    • figures 1 and 2 show preferred embodiments of a blank according to the invention in top view;
    • figures 3 and 4 show perspective views of the box obtained from the respective blanks shown in figures 1 and 2 via folding and, if necessary, fixing operations.
  • A preferred embodiment of a blank 1 according to the invention has two flat main surfaces 2, 4; two curving main surfaces 3, 5; two end main surfaces 6, 6'. These main surfaces 2, 4, 3, 5, 6, 6' of the blank form the walls of the corresponding box shown in figure 3.
  • The curving main surface 3, 5 is coupled at a folding edge A to a number of curving auxiliary surfaces 10, 11, 12. Each curving surface 3, 5 preferably has two opposite folding edges A which are each provided with a number of, and preferably three, curving auxiliary surfaces 10, 11, 12. A space 13, 14 is provided between the curving auxiliary surfaces, which space is bounded by a cut edge. The curving auxiliary surfaces 10, 11, 12 are positioned in a mirror-symmetrical pattern relative to the middle of folding edge A of curving main surface(s) 3, 5.
  • The curving auxiliary surfaces 12 are of a larger dimension than the other curving auxiliary surfaces 10, 11. The size and shape of curving auxiliary surface 12 are chosen such that in the formed corresponding box (figure 3, 4) they lie against each other in the same plane.
  • The curving main surface 5 is coupled along the full length to a peripheral auxiliary surface 7. Blank 1 comprises two auxiliary end surfaces 8 and 9 which preferably have the same dimension and the same shape as the main end surfaces 6, 6'. In the corresponding box (figure 3) a curving auxiliary surface 12 will be received on each box end between an auxiliary end surface 8, 9 and a main end surface 6, 6', which main end surface 6, 6' forms the outer end wall.
  • Another embodiment of a blank 17 has auxiliary end surfaces 15, 16 with a shape differing slightly from main end surfaces 6, 6', from which the corresponding box is shown in figure 4 and which box has the same shape and dimension as the box of figure 3.
  • In order to form the box the blank 1, 17 is first folded along folding edges B, whereafter the auxiliary surface 7 is fixed to the main surface 2 of the blank, for instance by gluing to form a flat wall 20, thereby obtaining a tube. The curving auxiliary surfaces 10, 11 are then folded inward on which the auxiliary end surfaces 8, 9 respectively 15, 16 are placed, whereafter the curving auxiliary surfaces 12 are folded thereover and whereafter finally the main end surfaces 6, 6' are placed on the already folded-up assembly to form the end wall 18, 21. The curvature of a cut edge of the end wall corresponds with the curvature of the curving wall 19. The end wall 18, 21 also connects well onto the other walls of the box. All parts are preferably mutually adhered by means of an adhesive such as glue. The curving surface is held in its curved position in that a curving auxiliary surface 12 is enclosed between an auxiliary end surface and a main end surface and also in that the curving auxiliary surfaces 10, 11 are arranged relative to curving auxiliary surface 12 in interwoven manner between the auxiliary end surface.
  • With the exception of auxiliary end surfaces 15, 16, the end wall 21 of the box in figure 4 is the same as in the embodiment of figure 3.
  • Assembly of a box formed by a blank according to the invention can be formed in other manner, in particular with another folding sequence.
  • The curving auxiliary surfaces 10, 11, 12 can differ in number and shape from the above illustrated preferred embodiments.

Claims (13)

  1. Blank with main and auxiliary surfaces, which main surfaces forms the walls of the corresponding box, wherein the main surfaces are mutually separated from the auxiliary surfaces by substantially straight folding edges and wherein at least one main surface is adapted as a curving main surface which defines a curved outer wall in the corresponding box, characterized in that at least one folding edge of the curving main surface of the blank is coupled to at least one curving auxiliary surface.
  2. Blank as claimed in claim 1, characterized in that the folding edge of the curving main surface of the blank is coupled to at least two curving auxiliary surfaces located at a mutual distance.
  3. Blank as claimed in claim 1 or 2, characterized in that the folding edge of the curving main surface of the blank is coupled to three curving auxiliary surfaces located at a mutual distance.
  4. Blank as claimed in claim 1, 2 or 3, characterized in that the curving auxiliary surfaces on the folding edge of the curving main surface are positioned in a mirror-symmetrical pattern relative to the middle of folding edge.
  5. Blank as claimed in claim 1, 2, 3 or 4, characterized in that the curving main surface is provided with two mutually opposite folding edges, wherein each folding edge is coupled to at least one curving auxiliary surface, to preferably two and more preferably three curving auxiliary surfaces which are located at a mutual distance and which are preferably ordered in a mirror-symmetrical pattern relative to the middle of each folding edge.
  6. Blank as claimed in claim 5, characterized in that the blank comprises six main surfaces: two curving main surfaces, two flat main surfaces and two main end surfaces forming the substantially flat end walls of the box.
  7. Blank as claimed in claim 6, characterized in that the main end surfaces are each provided with two curved cut edges, the curvature of which is substantially the same as the curvature of the curving main surface of the box.
  8. Blank as claimed in claim 6 or 7, characterized by two auxiliary end surfaces having substantially the same dimension and shape as the main end surfaces.
  9. Blank as claimed in any of the foregoing claims 1-8, characterized in that one curving surface is coupled to a peripheral auxiliary surface along substantially the full length of a folding edge.
  10. Box formed by the blank as claimed in claims 1-9.
  11. Box as claimed in claim 10, characterized in that at least one curving auxiliary surface is enclosed between a main end surface and an auxiliary end surface.
  12. Box as claimed in claim 10 or 11, characterized in that the curving main surface is held in curved position by at least one curving auxiliary surface.
  13. Box as claimed in at least one of the claims 10-12, characterized in that at least one curving main surface is fixed to at least one auxiliary end surface.
EP19970201848 1996-06-17 1997-06-17 Blank for a box with at least one curved wall Revoked EP0814025B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1003348 1996-06-17
NL1003348A NL1003348C2 (en) 1996-06-17 1996-06-17 Plano for a box with at least one curved wall and the box obtained by the blank.

Publications (2)

Publication Number Publication Date
EP0814025A1 true EP0814025A1 (en) 1997-12-29
EP0814025B1 EP0814025B1 (en) 2002-04-03

Family

ID=19763019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970201848 Revoked EP0814025B1 (en) 1996-06-17 1997-06-17 Blank for a box with at least one curved wall

Country Status (3)

Country Link
EP (1) EP0814025B1 (en)
DE (1) DE69711492T2 (en)
NL (1) NL1003348C2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0941943A1 (en) * 1998-03-11 1999-09-15 G.D. S.p.A. Cigarette packet
EP0904235B1 (en) * 1996-07-03 2003-11-26 Lu France Method for producing a package with nesting lid from a blank
WO2005049436A1 (en) * 2003-11-13 2005-06-02 Cadbury Schweppes Plc Carton and carton blank

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB773138A (en) * 1955-10-29 1957-04-24 Field Sons & Co Ltd Improvements in collapsible cartons
DE9002504U1 (en) * 1990-03-03 1990-05-03 A. Landerer Gmbh & Co Kg, 7107 Neckarsulm Box with a flat collapsible, tubular base
DE9318467U1 (en) * 1993-12-02 1994-03-10 Max Kettner Verpackungsmaschinenfabrik GmbH & Co KG, 81737 München Hollow body and blank for producing the hollow body
EP0626317A1 (en) * 1993-05-25 1994-11-30 Cartotecnica Poligrafica Bianchi S.P.A. Container made of cardboard or the like having a cylindrical shape and an automatic bottom

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB773138A (en) * 1955-10-29 1957-04-24 Field Sons & Co Ltd Improvements in collapsible cartons
DE9002504U1 (en) * 1990-03-03 1990-05-03 A. Landerer Gmbh & Co Kg, 7107 Neckarsulm Box with a flat collapsible, tubular base
EP0626317A1 (en) * 1993-05-25 1994-11-30 Cartotecnica Poligrafica Bianchi S.P.A. Container made of cardboard or the like having a cylindrical shape and an automatic bottom
DE9318467U1 (en) * 1993-12-02 1994-03-10 Max Kettner Verpackungsmaschinenfabrik GmbH & Co KG, 81737 München Hollow body and blank for producing the hollow body

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0904235B1 (en) * 1996-07-03 2003-11-26 Lu France Method for producing a package with nesting lid from a blank
EP0941943A1 (en) * 1998-03-11 1999-09-15 G.D. S.p.A. Cigarette packet
US6168014B1 (en) 1998-03-11 2001-01-02 G. D S.P.A. Cigarette packet
WO2005049436A1 (en) * 2003-11-13 2005-06-02 Cadbury Schweppes Plc Carton and carton blank
US8091769B2 (en) 2003-11-13 2012-01-10 Kraft Foods Global Brands Llc Carton and carton blank

Also Published As

Publication number Publication date
EP0814025B1 (en) 2002-04-03
NL1003348C2 (en) 1997-12-19
DE69711492T2 (en) 2002-10-31
DE69711492D1 (en) 2002-05-08

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