EP0104548B1 - Couvercle de récipient avec dispositif d'ouverture - Google Patents

Couvercle de récipient avec dispositif d'ouverture Download PDF

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Publication number
EP0104548B1
EP0104548B1 EP83109099A EP83109099A EP0104548B1 EP 0104548 B1 EP0104548 B1 EP 0104548B1 EP 83109099 A EP83109099 A EP 83109099A EP 83109099 A EP83109099 A EP 83109099A EP 0104548 B1 EP0104548 B1 EP 0104548B1
Authority
EP
European Patent Office
Prior art keywords
layer
tear
lid
groove
plastic
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
EP83109099A
Other languages
German (de)
English (en)
Other versions
EP0104548A2 (fr
EP0104548A3 (en
Inventor
Norbert Prof Dr. Buchner
Rolf Eberspächer
Dieter Liede
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0104548A2 publication Critical patent/EP0104548A2/fr
Publication of EP0104548A3 publication Critical patent/EP0104548A3/de
Application granted granted Critical
Publication of EP0104548B1 publication Critical patent/EP0104548B1/fr
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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/22—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines with double walls; with walls incorporating air-chambers; with walls made of laminated material
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4011—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0058—Other details of container end panel
    • B65D2517/008—Materials of container end panel
    • B65D2517/0085—Foil-like, e.g. paper or cardboard
    • B65D2517/0088—Foil-like, e.g. paper or cardboard with plastic overmoulded onto foil

Definitions

  • a lid of this type which has become known, for example, from US Pat. No. 4,267,937 (FIG. 6), consists of a relatively thick carrier layer, molded with a thermoplastic material, with the inside of which is relatively thick thin plastic layer as a barrier and sealing layer is connected by means of a lacquer.
  • a weakening line surrounding a tear-open part is arranged in the carrier layer, which passes through the plastic layer and which is formed during molding.
  • the carrier layer is injection molded as an outer part in a mold, which is very time-consuming and expensive.
  • a plastic plate is connected as a barrier and sealing layer to the carrier layer by means of a lacquer.
  • the carrier layer and the plastic plate must be brought together in the correct position and pressed together.
  • the known lid has the disadvantage that folds form when the plastic plate is applied to the angled sealing flange of the lid, which folds can impair the gas-tightness of a container closed with such a lid.
  • a container lid with an opening part surrounded by score lines, which is formed from a metal / plastic laminate.
  • This cover has a relatively thick carrier and barrier layer made of a metal plate, with the inside of which a relatively thin plastic layer is bonded as a corrosion and protective layer.
  • the notch lines surrounding the tear-open part are stamped into the thick metal plate on this cover.
  • the well-known lid is probably stiff and tight, but it is very expensive due to its high metal content.
  • the invention has for its object to provide an easy-to-open container lid that is stiff, firm and tight and that can be easily formed from a laminate strip.
  • the container lid according to the invention with the characterizing features of claim 1 has the advantage that it can be formed in large numbers from a commercially available plastic / metal laminate strip without wrinkles by deep drawing and the weakening line delimiting the tear-open part can be produced in a simple manner.
  • the thickening in the beads on both sides of the line of weakness provides good guidance when tearing open the tear part and prevents the crack from running.
  • the lines of weakness can be pressed quickly and precisely into the plastic carrier layer using a heated notching tool before or after molding.
  • a grip tab made of a heat-sealable plastic, which is sealed to the outer carrier layer of the tear-open part, is particularly advantageous and makes it easier to tear on.
  • a packaging container with a body 10 made of a multilayer packaging material is closed at its upper opening with a lid 11 which has an easy-to-use opening device for removing the contents.
  • the fuselage 10 and lid 11 have a floor plan in the form of a square with rounded corners.
  • the cover 11 has a U-shaped edge fold 12 which engages around the opening edge of the fuselage 10 and is sealed or welded to it. It is formed by deep drawing or deep drawing.
  • a multilayer composite material is used for the production of the cover 11, which has an outer layer 14 made of plastic, a middle layer 15 made of metal, preferably aluminum, and an inner layer 16 made of a heat-sealable plastic.
  • the individual layers can be connected to one another by means of a lamination adhesive.
  • the outer layer 14, which gives the lid its stiffness and strength as a carrier layer, is about 100 to 400 microns, preferably 200 microns thick and consists of a thermoplastic such as polyvinyl chloride (PVC), polyester (PETP), polystyrene (PS), polycarbonate (PC) or the like.
  • the middle layer 15, which contributes to a high tightness of the cover consists of an aluminum or steel foil with a thickness of 20 to 40 pm.
  • the inner layer 16 which is used for heat sealing or welding to the fuselage 10 and acts as an insulating layer, has a thickness of approximately 50 ⁇ m and consists of polyethylene (PE), polypropylene (PP), polyvinylidene chloride (PVDC), polyester (PETP) or also from a heat seal lacquer.
  • PE polyethylene
  • PP polypropylene
  • PVDC polyvinylidene chloride
  • PET polyester
  • the opening device in the cover 11 has a removable tear-open part 20 which is surrounded by a line of weakness 21.
  • the tear-open part 20 can have different shapes, for example a circular area (FIG. 1) for inserting a drinking straw, teardrop shape (FIG. 2) or a full tear-open area adapted to the lid level (FIGS. 4 and 5).
  • the weakening line 21 is only arranged in the outer carrier layer 14 and passes through its thickness in the form of a notch 22 completely or almost completely.
  • the notch 22 is hot-stamped into the carrier layer 14 by means of a heated notching tool, plastic being melted and displaced under the action of pressure and heat.
  • bulges 23, 24 protruding on both sides of the notch 22 of the weakening line 21 over the plane of the upper side of the carrier layer 14 (FIGS. 2 and 6).
  • the thickening of the carrier layer 14 next to the notch 22 produced by the beads 23, 24 contributes to the fact that when the tearing part 20 breaks out or is torn out, the break runs along the weakening line 21 and does not run out of it.
  • two circular tear-open parts 20 are arranged, one of which is provided for forming a pouring opening and the other for forming a ventilation opening.
  • the diameter of the circular weakening line 21 is larger than that of a drinking straw, so that a drinking straw can be placed on the tear-open part 20 and the pull-open part 20 can be broken out of the lid mirror by applying pressure, the middle metal layer 15 and the inner plastic layer 16 being only a controllable one To offer resistance.
  • the middle metal layer 15 and the inner plastic layer 16 being only a controllable one To offer resistance.
  • it can be bulged outwards, as the exemplary embodiment according to FIG. 6 shows.
  • the tear-open part 20 has a teardrop shape.
  • a heat-sealable grip tab 25 made of a plastic plate is welded to the plastic layer 14 by means of a welding field 26 at its narrow end.
  • the line of weakness 21 runs parallel to the fold edge 12 in order to completely remove the cover mirror and additionally forms a drop-like starting section 27 to which a grip tab 29 is connected by a welding point 28.
  • the exemplary embodiment according to FIG. 1 has a rigid double lever 30 with a breaking edge 31 in the starting area as a grip tab, covering a part of the weakening line 21.
  • the double lever 30 is connected to the outer plastic layer 14 by means of a welding line 32 which forms the axis for the double lever 30 .
  • the weakening line 21 is torn inward in the region of the breaking edge 31.
  • the double lever 30 is pulled further, the entire tearing part 20 is then separated from the cover 11.
  • a composite material with three layers is specified for the production of a cover according to the invention.
  • the carrier layer consists of a thermoplastic and the melting temperature of the adjacent layer is higher than that of the carrier layer.
  • the lines of weakness can be hot stamped into the strip material used to manufacture the lids prior to forming the lids or into lids already formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Laminated Bodies (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)

Claims (3)

1. Couvercle de récipient stratifié, façonné à partir d'un matériau composite, comportant un dispositif d'ouverture et qui possède une couche porteuse (14) extérieure, épaisse, en matière thermoplastique et une couche intérieure de soudage (16), qui peut être soudée sur le corps (10) du récipient, et dans lequel une partie déchirable (20) est entourée, au moins partiellement, par une ligne d'affaiblissement (21) qui est réalisée sous la forme d'une entaille (22) pratiquée dans la couche porteuse, couvercle caractérisé en ce qu'il se trouve, sur la couche porteuse (14), des deux côtés de l'entaille imprimée à chaud (22), des bourrelets (23, 24) qui s'élèvent au-dessus du plan de la face supérieure du couvercle (11).
2. Couvercle de récipient suivant la revendication 1, caractérisé en ce que l'entaille (22) traverse complètement, ou à peu près complètement, la coucher porteuse (14).
3. Couvercle suivant l'une des revendications 1 ou 2, caractérisé en ce que, sur la partie déchirable (20) entourée par l'entaille (22), une patte de prise (25, 29, 30) est soudée.
EP83109099A 1982-09-23 1983-09-15 Couvercle de récipient avec dispositif d'ouverture Expired EP0104548B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3235167 1982-09-23
DE19823235167 DE3235167A1 (de) 1982-09-23 1982-09-23 Behaelterdeckel mit oeffnungseinrichtung

Publications (3)

Publication Number Publication Date
EP0104548A2 EP0104548A2 (fr) 1984-04-04
EP0104548A3 EP0104548A3 (en) 1985-07-03
EP0104548B1 true EP0104548B1 (fr) 1987-06-03

Family

ID=6173920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83109099A Expired EP0104548B1 (fr) 1982-09-23 1983-09-15 Couvercle de récipient avec dispositif d'ouverture

Country Status (4)

Country Link
US (1) US4533063A (fr)
EP (1) EP0104548B1 (fr)
JP (1) JPS5978841A (fr)
DE (2) DE3235167A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111108043A (zh) * 2017-09-14 2020-05-05 A和R卡顿隆德有限公司 运输封闭件、包括运输封闭件的包装容器、以及用于从包装容器移除运输封闭件的方法
US11878840B2 (en) 2019-07-02 2024-01-23 Gpi Systems Ab Method of producing a packaging container and a packaging container
US12006098B2 (en) 2018-08-31 2024-06-11 Gpi Systems Ab Composite container with separable top, a body blank, and a method of separating a top end portion from a main body of the container
US12122571B2 (en) 2018-05-23 2024-10-22 Gpi Systems Ab Flexible membrane with valve

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EP2576204B1 (fr) * 2010-05-25 2018-02-28 Mondi AG Feuille et emballage fabriqué à partir d'une feuille de ce type, avec une aide à l'ouverture réagissant à une force de pression
USD637489S1 (en) 2010-12-10 2011-05-10 Pactiv Corporation Pull grip feature of a container lid
USD638704S1 (en) 2010-12-10 2011-05-31 Pactiv Corporation Container lid
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US8991632B2 (en) * 2011-07-07 2015-03-31 Berry Plastics Corporation Canister
US9032698B2 (en) 2011-07-07 2015-05-19 Berry Plastics Corporation Package with lid sealing system
WO2014179287A1 (fr) 2013-05-03 2014-11-06 Berry Plastics Corporation Fermeture de récipient
WO2015112741A1 (fr) 2014-01-22 2015-07-30 Berry Plastics Corporation Emballage à élément de fermeture décollable
US9809360B2 (en) 2014-07-23 2017-11-07 Berry Plastics Corporation Package with peelable closure
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DE102015122548A1 (de) * 2015-12-22 2017-06-22 Gregor Anton Piech Dosendeckel
ES2876028T3 (es) * 2016-06-17 2021-11-11 Tetra Laval Holdings & Finance Sistema de apertura para un recipiente, su método de fabricación y recipiente que comprende el sistema de apertura
AU2018254160B2 (en) * 2017-04-17 2020-05-14 Seal and Pack Co., LTD Two-side adherable high-frequency induction heating container sealing member, compact cosmetic container having tamper function with same applied thereto, and flip cap container having temper function with same applied thereto
US11377258B2 (en) * 2019-01-02 2022-07-05 Novelis Inc. Container end closure liner and methods of preparing the same
WO2022051828A1 (fr) * 2020-09-10 2022-03-17 Leite Laercio Agencement appliqué à une boîte et couvercle correspondant pour le déversement et le guidage du produit liquide conditionné

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111108043A (zh) * 2017-09-14 2020-05-05 A和R卡顿隆德有限公司 运输封闭件、包括运输封闭件的包装容器、以及用于从包装容器移除运输封闭件的方法
CN111108043B (zh) * 2017-09-14 2022-02-08 A和R卡顿隆德有限公司 运输封闭件、包括运输封闭件的包装容器、以及用于从包装容器移除运输封闭件的方法
US12122571B2 (en) 2018-05-23 2024-10-22 Gpi Systems Ab Flexible membrane with valve
US12006098B2 (en) 2018-08-31 2024-06-11 Gpi Systems Ab Composite container with separable top, a body blank, and a method of separating a top end portion from a main body of the container
US11878840B2 (en) 2019-07-02 2024-01-23 Gpi Systems Ab Method of producing a packaging container and a packaging container

Also Published As

Publication number Publication date
DE3235167A1 (de) 1984-03-29
US4533063A (en) 1985-08-06
EP0104548A2 (fr) 1984-04-04
JPS5978841A (ja) 1984-05-07
DE3371895D1 (en) 1987-07-09
EP0104548A3 (en) 1985-07-03

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