EP0092393B1 - Powder tight carton - Google Patents

Powder tight carton Download PDF

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Publication number
EP0092393B1
EP0092393B1 EP83302130A EP83302130A EP0092393B1 EP 0092393 B1 EP0092393 B1 EP 0092393B1 EP 83302130 A EP83302130 A EP 83302130A EP 83302130 A EP83302130 A EP 83302130A EP 0092393 B1 EP0092393 B1 EP 0092393B1
Authority
EP
European Patent Office
Prior art keywords
powder
flap
deformation
line
flaps
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.)
Expired
Application number
EP83302130A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0092393A2 (en
EP0092393A3 (en
Inventor
Guenther Theobald Gaube
Dieter Peissl
Juergen Schondelmayer
Walter Schraegle
Knut Schretzenmayr
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.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6739108&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0092393(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Priority to AT83302130T priority Critical patent/ATE39901T1/de
Publication of EP0092393A2 publication Critical patent/EP0092393A2/en
Publication of EP0092393A3 publication Critical patent/EP0092393A3/en
Application granted granted Critical
Publication of EP0092393B1 publication Critical patent/EP0092393B1/en
Expired 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
    • B65D5/4279—Joints, seams, leakproof joints or corners, special connections between panels

Definitions

  • the invention relates to a powder tight carton made from board or the like and to a blank for the carton.
  • US 2501852 discloses a blank and a carton made therefrom having an end closure comprising two overlapping side flaps hinged to side panels of the carton and two non-overlapping powder flaps hinged to end panels, a first of the two side flaps being formed with a line of deformation in the form of a number of score lines spaced from its side panel hinge and extending in the same direction as the side flap hinge, a further line of deformation, also in the form of score lines, in each powder flap extending away from said powder flap hinge to lie adjacent to the side flap line of deformation, the arrangement being such that the second side flap terminates adjacent said side flap line of deformation and said further lines of deformation and lies between the first side flap and the respective powder flaps at each end of said second side flap.
  • a disadvantage of this is that not all the flaps can lie entirely flat in the direction parallel to their hinges, so that the efficiency of sealing is compromised thereby.
  • German Offenlegungsschrift No 22 60 766 relates to cartons in which, to obtain powder- tightness, immediately adjacent the hinge line, one of the two flaps hinged to the side panel is moulded along a portion of its length.
  • the moulding which has to be made in an enclosed area, is similar to a deep-drawing and can be effected only with difficulty in particular with the more rigid grades of board.
  • the two powder flaps which fold on to this first flap must then be cut away in the area of the moulding which is wasteful.
  • the outer flap must also be provided with a further moulding corresponding to the first but made in the opposite direction which adds to the complexity of the process.
  • the present invention provides a powder tight carton having a closure comprising two overlapping side flaps hinged to side panels of the carton and two non-overlapping powder flaps hinged to end panels, a first of the two side flaps and the powder flaps being formed with a line of deformation spaced from its side panel hinge, a further line of deformation in each powder flap extending away from said powder flap hinges to lie adjacent to the side flap line of deformation, the arrangement being such that the second side flap terminates adjacent said side flap line of deformation and said further lines of deformation and at each end lies between the first side flap and one of the powder flaps, characterised in that the lines of deformation are mould lines, that only part of the length of the hinge of each powder flap nearer the first side flap hinge is formed by a fold line and another part is formed by a moulding line offset from the fold line.
  • the two flaps hinged to the side panels can be so short as to overlap only minimally and the powder flaps need by only of the shorter type.
  • moulding lines of the type described can be relatively easily applied to the blank. The offset between the fold line and the moulding line ensures that the two flaps lie flat one on the other and on the powder flap.
  • (1) refers to a folding carton blank having two side panels (2 and 3), and two end panels (4 and 5). At the top and bottom, flaps (6, 7) are hinged to side panel (2) about fold lines (8, 9). About fold lines (10, 11) there are hinged to side panel (3) two flaps (12, 13) which are moulded along moulding lines (14,15). The outer portion of flaps (12 and 13) remote from fold line (10 or 11) is moulded in the rearward direction.
  • the two end panels (4 and 5) are each. provided with two powder flaps (16, 17) and (26, 27). These powder flaps are hinged to the corresponding end panels through fold lines (18, 19) and (28, 29) of which fold lines (18 and 28) are extensions of fold line (10), and fold lines (19 and 29) are extensions of fold line (11).
  • the aforesaid fold lines (18, 19, 28, 29) each terminate at mould lines (20, 21, 30, 31) extending from the outside edges of the powder flap (16, 17, 26, 27) approximately in the centre of the powder flaps perpendicular to the fold line.
  • These moulding lines (20, 21, 30, 31) extend slightly beyond each fold line and continue as additional moulding lines (22, 23, 32, 33) extending to the other end of the powder flap in the same direction as the corresponding fold line but somewhat offset therefrom.
  • the end panel (5) is hinged with a glue flap (34) which allows connection with the side panel (2).
  • Figure 2 is a section through a fully erected and closed carton, the section being taken ver- - tically through the two side panels (2 and 3).
  • the closure of the carton is formed as follows:
  • the innermost layer is formed by tucking in powder flaps (16, 17) at the top and bottom.
  • the non-moulded flaps (6, 7) then lie on the more deeply moulded portions of powder flaps (16,17) along moulding lines (20, 22) and (21, 23), the depth of the moulding being such as to accommodate about one-half the thickness of the aforesaid non-moulded flap.
  • the remaining flaps (12, 13) are then folded on to the non-moulded portion of the powder flaps (6, 7), the portion moulded along line (14, 15) lying on the non-moulded flaps (6, 7) and slightly overlapping them.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packages (AREA)
EP83302130A 1982-04-16 1983-04-14 Powder tight carton Expired EP0092393B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83302130T ATE39901T1 (de) 1982-04-16 1983-04-14 Pulverdichter karton.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8210781U 1982-04-16
DE8210781U DE8210781U1 (de) 1982-04-16 1982-04-16 Staubdichte Faltschachtel

Publications (3)

Publication Number Publication Date
EP0092393A2 EP0092393A2 (en) 1983-10-26
EP0092393A3 EP0092393A3 (en) 1985-08-21
EP0092393B1 true EP0092393B1 (en) 1989-01-11

Family

ID=6739108

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83302130A Expired EP0092393B1 (en) 1982-04-16 1983-04-14 Powder tight carton

Country Status (7)

Country Link
EP (1) EP0092393B1 (ja)
JP (2) JPS58193248A (ja)
AT (1) ATE39901T1 (ja)
AU (1) AU554094B2 (ja)
BR (1) BR8301929A (ja)
DE (2) DE8210781U1 (ja)
ZA (1) ZA832586B (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8228288U1 (de) * 1982-10-08 1982-12-09 Badische Karton- Und Pappenfabrik Zweigwerk Der Herzberger Papierfabrik Ludwig Osthushenrich Gmbh & Co Kg, 7562 Gernsbach Staubdichte Faltschachtel
JPS59129715U (ja) * 1983-02-21 1984-08-31 ライオン株式会社 包装箱
DE3322438A1 (de) * 1983-06-22 1985-01-03 Henkel KGaA, 4000 Düsseldorf Faltschachtelzuschnitt
JPS62159316U (ja) * 1986-03-28 1987-10-09
DE4237205A1 (de) * 1992-11-04 1994-05-05 Henkel Kgaa Faltschachtel mit gestanzten Staubklappen
IES80525B2 (en) * 1998-03-24 1998-09-09 Patrick Doran A carton formed from a folded blank
TWI290464B (en) * 2000-09-01 2007-12-01 Novartis Consumer Health Sa Treatment of burns

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501852A (en) * 1944-05-08 1950-03-28 Gardner Board & Carton Co Means for effecting hermetic closures in cartons and containers
JPS5713415B2 (ja) * 1974-02-06 1982-03-17
US3981432A (en) * 1975-05-08 1976-09-21 Bergstein Packaging Trust Carton with tightly sealed end closures
JPS5539785U (ja) * 1978-09-07 1980-03-14
JPS6030170Y2 (ja) * 1980-06-30 1985-09-11 大日本印刷株式会社 箱

Also Published As

Publication number Publication date
AU554094B2 (en) 1986-08-07
JPS58193248A (ja) 1983-11-10
JPS63164414U (ja) 1988-10-26
DE8210781U1 (de) 1982-06-24
ZA832586B (en) 1984-11-28
BR8301929A (pt) 1983-12-20
ATE39901T1 (de) 1989-01-15
EP0092393A2 (en) 1983-10-26
JPH0239931Y2 (ja) 1990-10-25
DE3378906D1 (en) 1989-02-16
EP0092393A3 (en) 1985-08-21
AU1348783A (en) 1983-10-20

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