EP0599549A1 - Behälterdeckel - Google Patents

Behälterdeckel Download PDF

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Publication number
EP0599549A1
EP0599549A1 EP93309214A EP93309214A EP0599549A1 EP 0599549 A1 EP0599549 A1 EP 0599549A1 EP 93309214 A EP93309214 A EP 93309214A EP 93309214 A EP93309214 A EP 93309214A EP 0599549 A1 EP0599549 A1 EP 0599549A1
Authority
EP
European Patent Office
Prior art keywords
ring
lid
container
wall
lever
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Withdrawn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
EP93309214A
Other languages
English (en)
French (fr)
Inventor
Christopher Paul Ramsey
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.)
Crown Packaging UK Ltd
Original Assignee
CarnaudMetalbox PLC
Metal Box PLC
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 CarnaudMetalbox PLC, Metal Box PLC filed Critical CarnaudMetalbox PLC
Publication of EP0599549A1 publication Critical patent/EP0599549A1/de
Withdrawn legal-status Critical Current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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/022—Removable lids or covers without integral tamper element secured only by friction or gravity only on the inside, or a part turned to the inside, of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00277—Metal
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342—Central part of the lid
    • B65D2543/00351—Dome-like
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00435—Lids secured to an intermediate ring or like annular member fixed to the container mouth
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B65D2543/00546—NO contact
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00888—Means for facilitating removing of the closure by applying lever forces
    • B65D2543/00898—Means for facilitating removing of the closure by applying lever forces by means of a coin or other tool in recesses or similar on container or lid
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953—Sealing means
    • B65D2543/00962—Sealing means inserted
    • B65D2543/00972—Collars or rings

Definitions

  • This invention relates to closures for containers, and in particular to a type of closure generally known as a lever-lid closure.
  • a lever such as a spoon, is used to release the lid from the container.
  • Examples of this type of closure are to be found in WO 92/04247, US 4171063, UK 1536543 and UK 2033880A. It is to this type of closure that the present invention is directed.
  • a container having at least one side wall; a ring adapted to be affixed to the container by means of a double seam; and a lid, the lid including a downwardly depending skirt having an inner wall, the lid and ring including locating means cooperating to locate the lid within the ring; and a lever recess into which a lever can be inserted to lever between the ring and the inner wall of the skirt so as to release the lid from the ring; the ring being spaced inwardly from the side wall of the container so as to define a recess therebetween.
  • the recess acts as a spacer between the locating means and container side wall so that a certain deformation of the side wall is possible without disrupting the locating means.
  • the ring includes the double seam at one end thereof and the locating means at the other end thereof.
  • the use of a ring enables a container with a lever-lid closure to be produced with a double seam which is a particular requirement for two piece cans, for example.
  • the double seam provides a strong pivot point for the lever to act on without distorting at that point.
  • the ring includes a stepped chuck wall adapted to define the recess between the loating means and the side wall of the container.
  • This chuck wall acts as an abuse bead so that it is less likely that any deformation of the side wall would lead to unwanted removal of the lid.
  • the locating means comprises an inwardly facing curl on the ring and an outwardly facing curl on the lid, these two curls cooperating to locate the lid within the ring.
  • the cooperating curls provide an improved seal with resistance to abuse, particularly due to the amount of material and area of contact of the locating means.
  • the curls are stiff and thus resist radial force which again assists in maintaining the integrity of the closure.
  • a lid and ring for a container including an outer flange adapted to be affixed to a container by means of a double seam, and having an inwardly facing curl;
  • the lid including a centre panel and a downwardly extending skirt comprising an inner wall, a turned portion and an outwardly facing curl; the arrangement being such that the inward and outwardly facing curls cooperate to locate the lid within the ring in a releasable manner, the lid and ring defining therebetween a lever recess in which a lever can be inserted to lever between the ring and the inner wall of the skirt to release the lid from the ring.
  • the inwardly facing curl on the ring is at the distal end of the ring from the outer flange and the outwardly facing curl on the lid is at the distal end of the skirt.
  • the inward and outwardly facing curls conveniently lie adjacent one to another when the lid is located within the ring.
  • the skirt is provided with a projection such that the projection and the outwardly facing curl form together a depression in which the inwardly facing curl can be received.
  • the projection is formed by crimping the turned portion of the skirt.
  • the outwardly facing curl preferably lies below the level of the centre panel, and conveniently lies below the portion of the inner wall which is adapted to be contacted by a lever.
  • This arrangement allows access for the lever to be able to remove the lid from the container, whilst maintaining the aperture size of the container.
  • a portion of the lid panel such as the inner wall of the skirt, there is therefore no need to be able to obtain access under the outwardly facing curl, as in many prior art designs of lid closure.
  • the inner wall of the downwardly extending skirt is preferably substantially vertical.
  • the inner wall of the skirt is usually distorted on opening the container, thus providing evidence of tampering if any attempt is made to open the closure. Furthermore, the inner wall is weak in comparison with the double seam, about which a lever will pivot, so that the distortion is controlled and limited to the inner wall.
  • the lid and ring are formed from a single blank of material.
  • a container shown generally at 1 comprises a base 2 and an integral side wall 3. Attached to the top of the side wall by means of a conventional double seam is a ring 4 comprising a stepped chuck wall 5 and terminating in an inwardly facing curl 6.
  • the stepped chuck wall 5 defines a recess 7 between the curl 6 and the container side wall 3.
  • the lid of the container is shown generally at 8 and comprises a centre panel 9, and inner and outer raised annuli 10 and 11 separated by a bead 12.
  • a skirt 13 comprising an inner wall 14, a turned portion 15, an upstanding portion 16 and terminating in an outwardly facing curl 17.
  • the turned portion is provided with a crimp 18 to define a depression 19 between the crimp and the outwardly facing curl 17.
  • the depression 19 is dimensioned to receive the inwardly facing curl 6 of the ring 4.
  • a line of sealing compound 20 is applied to the region 21 between the inwardly facing curl 6 and the turned portion 15 of the skirt 13.
  • the ring 4 and inner wall 14 define therebetween a lever recess 22, into which is inserted a lever such as a spoon shown generally at 23.
  • the spoon can be used to lever against the inner wall 14 of the skirt 13 using a region 24 at the top of the ring 4 near the double seam as a fulcrum.
  • the double seam acts as a strong fulcrum whereas the inner wall 14 is relatively weak, thus 5 controlling the deformation.
  • the inward movement of the inner wall 14 flexes the skirt 13 allowing the crimp 18 to pass over the inwardly facing curl 6, thus permitting removal of lid 8.
  • the lid can subsequently be reattached to the container by pressing back into position, with the inwardly facing curl 6 once again being received in the recess 19 between the crimp 18 and the outwardly facing curl 17.
  • This will act as a cover preventing the ingress of dust etc into the container and limiting any odours from escaping therefrom, but as the integrity of the sealing compound 20 has been destroyed, the reclosed lid may not act as a hermetic seal.
  • the inner wall 14 can be weak enough to ensure that deformation on tampering or opening is permanent, giving evidence of entry.
  • lid 8 and ring 4 will now be described with reference to figures 4 - 8.
  • a blank of material is drawn into the shape shown in Fig.4.
  • the drawn blank is then formed into two portions by making an annular cut as shown at 25.
  • the upper part is then formed into the ring 4 by making the inwardly facing curl 6.
  • the other end of the ring 4 has already been provided with a flange 26, generally known as a cover hook, for forming into a double seam with the container side wall.
  • the finished ring is shown in Fig.5.
  • the remaining part of the blank is provided with the outwardly facing curl 17, and is then reformed, pushing the centre panel etc. of the lid through the level of the curl 17 to form the inner wall 14, turned portion 15 and upstanding portion 16.
  • the reformed lid is shown in Fig.6.
  • ring of Fig. 5 and lid of Fig.6 are then assembled, and the crimp 18 is then applied, to further retain the curl 6 against the upstanding portion 16 as shown in Fig.7. Finally a line of sealing compound 20 is applied to produce the finished ring and lid as shown in Fig.8.
  • the ring and lid can therefore be produced from a single stamping, and although the blank is slightly greater in area than that of a conventional scored full aperture easy open end, the conventional easy open end requires a considerably thicker gauge material. Further advantages over such scored easy open ends include the absence of any dangerous cut edges, a generally increased aperture size, and the ease of opening associated with a spoon leverable lid, as opposed to the force required to open a scored lid. Furthermore, the recess 7 allows for a considerable denting of the side wall of the can without affecting the integrity of the closure.
  • the lid and ring described above are typically formed of metal such as tinplate, tin free steel, or aluminium, although metal/polymer laminates may also be employed.
  • the container body may be relatively short, such as in a food tray, relatively tall such as in a can, and may similarly be formed of a metal or metal/polymer laminate, or alternatively of plastics material or paperboard.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP93309214A 1992-11-23 1993-11-18 Behälterdeckel Withdrawn EP0599549A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9224463 1992-11-23
GB929224463A GB9224463D0 (en) 1992-11-23 1992-11-23 Closure for container

Publications (1)

Publication Number Publication Date
EP0599549A1 true EP0599549A1 (de) 1994-06-01

Family

ID=10725499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93309214A Withdrawn EP0599549A1 (de) 1992-11-23 1993-11-18 Behälterdeckel

Country Status (2)

Country Link
EP (1) EP0599549A1 (de)
GB (1) GB9224463D0 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1918041A1 (de) * 2006-10-31 2008-05-07 Crown Packaging Technology, Inc Metallischer Verschluss mit Deckel und Verfahren zur Herstellung eines solchen metallischen Verschlusses mit gesonderten Deckel und Deckelring aus einem einzigen Verschlussrohling
US8636161B2 (en) 2008-03-20 2014-01-28 Crown Packaging Technology, Inc. Closure
US8733576B2 (en) 2002-06-11 2014-05-27 Crown Packaging Technology, Inc. Easily openable can lid having a movable portion for pull tab access

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR917708A (fr) * 1945-07-23 1947-01-20 Carnaud & Forges Perfectionnements dans la fabrication des boîtes métalliques dites à bouchon au sou
GB832383A (en) * 1957-04-12 1960-04-06 Metal Box Co Ltd Improvements in or relating to containers
US3105621A (en) * 1962-04-26 1963-10-01 Clyde M Francis Liquid container and closure cover therefor
US4087018A (en) * 1976-04-09 1978-05-02 Metal Box Limited Tamper proof seal for a closure
US4090004A (en) * 1975-01-13 1978-05-16 Metal Box Limited Containers
EP0024093A1 (de) * 1979-01-29 1981-02-25 TANIUCHI, Keiji Leicht zu öffnender deckel für behälter
DE8621177U1 (de) * 1986-08-07 1987-12-10 Karl Huber Verpackungswerke Gmbh & Co, 7110 Oehringen, De
WO1992004247A1 (de) * 1990-09-11 1992-03-19 Effem Gmbh Druckdeckeldose

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR917708A (fr) * 1945-07-23 1947-01-20 Carnaud & Forges Perfectionnements dans la fabrication des boîtes métalliques dites à bouchon au sou
GB832383A (en) * 1957-04-12 1960-04-06 Metal Box Co Ltd Improvements in or relating to containers
US3105621A (en) * 1962-04-26 1963-10-01 Clyde M Francis Liquid container and closure cover therefor
US4090004A (en) * 1975-01-13 1978-05-16 Metal Box Limited Containers
GB1536543A (en) * 1975-01-13 1978-12-20 Metal Box Co Ltd Containers
US4087018A (en) * 1976-04-09 1978-05-02 Metal Box Limited Tamper proof seal for a closure
EP0024093A1 (de) * 1979-01-29 1981-02-25 TANIUCHI, Keiji Leicht zu öffnender deckel für behälter
DE8621177U1 (de) * 1986-08-07 1987-12-10 Karl Huber Verpackungswerke Gmbh & Co, 7110 Oehringen, De
WO1992004247A1 (de) * 1990-09-11 1992-03-19 Effem Gmbh Druckdeckeldose

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8733576B2 (en) 2002-06-11 2014-05-27 Crown Packaging Technology, Inc. Easily openable can lid having a movable portion for pull tab access
EP1918041A1 (de) * 2006-10-31 2008-05-07 Crown Packaging Technology, Inc Metallischer Verschluss mit Deckel und Verfahren zur Herstellung eines solchen metallischen Verschlusses mit gesonderten Deckel und Deckelring aus einem einzigen Verschlussrohling
WO2008053014A1 (en) * 2006-10-31 2008-05-08 Crown Packaging Technology, Inc Method for producing such a metal closure with seperate disc and ring from a single closure blank
EP2228152A1 (de) * 2006-10-31 2010-09-15 Crown Packaging Technology Inc Metallischer Verschluss mit gesonderten Deckel und Deckelring aus einem einzigen Verschlussrohling
EP2253396A1 (de) * 2006-10-31 2010-11-24 Crown Packaging Technology Inc Verfahren zur Herstellung eines metallischen Verschlusses mit gesonderten Deckel und Deckelring aus einem einzigen Verschlussrohling
AU2007316140B2 (en) * 2006-10-31 2012-01-19 Crown Packaging Technology, Inc. Method for producing a twist metal closure with seperate disc and ring from a single closure blank
EA016389B1 (ru) * 2006-10-31 2012-04-30 Краун Пэкэджинг Текнолоджи, Инк. Способ изготовления металлического укупорочного средства с отделенным диском и кольцом из единой заготовки укупорочного средства
CN101528381B (zh) * 2006-10-31 2012-10-10 皇冠包装技术公司 利用单件封闭件坯料制造带有分离的盘片和环的金属封闭件的方法
US8899091B2 (en) 2006-10-31 2014-12-02 Crown Packaging Technology, Inc. Method for producing such a metal closure with separate disc and ring from a single closure blank
US8636161B2 (en) 2008-03-20 2014-01-28 Crown Packaging Technology, Inc. Closure
US9387959B2 (en) 2008-03-20 2016-07-12 Crown Packaging Technology, Inc. Closure

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Publication number Publication date
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