EP2621820A1 - Couvercle pour canette - Google Patents

Couvercle pour canette

Info

Publication number
EP2621820A1
EP2621820A1 EP11779332.3A EP11779332A EP2621820A1 EP 2621820 A1 EP2621820 A1 EP 2621820A1 EP 11779332 A EP11779332 A EP 11779332A EP 2621820 A1 EP2621820 A1 EP 2621820A1
Authority
EP
European Patent Office
Prior art keywords
lid
score lines
container
discharge opening
brim
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Withdrawn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
EP11779332.3A
Other languages
German (de)
English (en)
Inventor
Sune Rauer
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.)
CLEAN CANNED APS
Original Assignee
CLEAN CANNED APS
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 CLEAN CANNED APS filed Critical CLEAN CANNED APS
Publication of EP2621820A1 publication Critical patent/EP2621820A1/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • B65D17/4014—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 and provided with attached means for reclosing or resealing
    • 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
    • B65D2517/001—Action for opening container
    • B65D2517/0013—Action for opening container pull-out tear panel, e.g. by means of a tear-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
    • B65D2517/0026—Means for preventing loss of removable element
    • B65D2517/0029—Means for preventing loss of removable element the element being part of the pull-out panel
    • 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
    • B65D2517/0068—Ribs or projections in container end panel
    • B65D2517/0071—Ribs or projections in container end panel located externally of tear-out/push-in panel or preformed opening

Definitions

  • the invention relates to a lid for a container, where the lid is made from a thin plate shaped material and adapted to be mounted on and hermetically close the container, said lid comprises score lines where the thin material can be torn to form a discharge opening in the lid.
  • Containers such as cans for beverage are presently opened by a stay-on-tab which can provide a discharge opening in the lid of the can.
  • early metal beverage cans had no tabs; they were opened by a can-piercer or churchkey, a device resembling a bottle opener with a sharp point.
  • the can was opened by punching two triangular holes in the lid— a large one for drinking, and a second smaller one to admit air to enter the can.
  • the stay-on-tab was designed by Daniel F. Cudzik for a Reynolds Metals Co.
  • aluminium can This design reduced injuries and reduced litter caused by removable tabs.
  • the mechanism uses a separate tab attached to the upper surface as a lever to depress a scored part of the lid, which folds underneath the top of the can and out of the way of the resulting opening.
  • Such "retained ring-pull" cans are widely used today. In fact it is one of the most, if not the most used container for beverage today.
  • cans that are opened with stay-on-tabs there is a risk of contaminating the content of the can when the can is opened. This is due to the fact that the scored part of the outer surface of the lid is forced into the can when opened.
  • the outer surface may be contaminated with bacteria and virus and other hazard particles. In fact the contamination may be lethal for a consumer, and some cases of seriously illness and death caused by beverage that has been contaminated by the lid have actually been reported.
  • the object of the present invention is to provide a lid for a container or can having a discharge opening that can be opened for access to the content of the container or can without risk of contamination.
  • the present invention aims for providing a lid for a container or can which is easy to open and when it is opened, the discharge opening from which the consumer consumes the content is clean and free of bacteria.
  • the lid for a container according to the invention is made from a thin plate-shaped material and adapted to be mounted on and hermetically close the container, said lid comprises score lines where the thin plate-shaped material can be torn to form a discharge opening in the lid, where the starting points for tearing the score lines are located at the brim of the lid and where the lid further comprises an area bulging out from the brim between the score lines to form a gripping device, wherein the lid is made from metal, preferably the metal is aluminum.
  • the starting points for tearing the score lines located at the brim of the lid is possible to open the lid from the brim towards, e.g. the centre of the lid and a convenient large opening in the lid can be made. Such a large opening is very suitable for e.g. drinking from the can.
  • the score lines will also run in the area where the lid closes and seals container, i.e. the rim of the container.
  • the lid material constituting the discharge opening will be removed from the edge of the container and, thereby, expose the edge of the container which is free of contamination, as it until the opening of the discharge opening has been covered and protected by the lid.
  • the discharge opening is provided in an area between two score lines, and when the score lines are torn only the area between the score lines is affected. Thus, in most cases the main part of the lid remains attached to the container.
  • a lid made from metal is reliable lid and have the required mechanical strength.
  • the metal is preferable aluminum; however, it is also possible to apply another metal.
  • the lid further comprises an area bulging out from the brim between the score lines to form a gripping device.
  • the gripping device may be a sort of flap extending from the brim of the lid and preferable the gripping device has a sufficient size that allows for a proper grip to tear the score lines.
  • the gripping device may be equipped with a pull-ring, although this solution is more expensive.
  • a solution with a pull-ring may also require that the pull- ring is mounted with a rivet through the lid, which makes the solution even more costly. Consequently, one of the advantages of the present invention is that a pull- ring is not required.
  • the lid according to the invention can be made from any suitable material, such as plastic or metal, e.g. stainless steel and aluminum. To make it possible to use machinery that presently is in use for mounting lids on containers, the lid is preferably made from aluminum.
  • the container may be made from any desirable material, however, for many embodiments it is preferred that the container is made from stainless steel or aluminum or in the same material as the lid.
  • the lid preferably has a thickness in the range of 70 to 110 microns, more preferably a thickness in the range 80 to 100 microns. Such thickness allows for a sufficient strength of the lid with minimum use of material. Moreover, a thickness in the range of 70 to 110 microns makes it possible to press score lines in the lid material that can be torn relatively easily. A suitable thickness of the lid is e.g. 90 microns.
  • At least a part of the lid comprises one or more reinforcements.
  • the reinforcements are conveniently pressed out ribs, which may easy be pressed in the lid material.
  • the score lines forms a substantially frustum shaped area on the surface of the lid.
  • the discharge opening will also become substantially frustum shaped or tapering towards the centre of the lid and, thereby, make it easy to e.g. drink the content of the container.
  • the lid according to the invention can form part of the process normally used for closing and sealing containers. Such a process normally includes a crimping operation and preferably the lid is adapted to be mounted on a container by a crimping operation. During the process of mounting the lid further grooves and indentations may be formed in the lid.
  • a part of the scores lines are crimped around the rim of the container in the crimping operation. In this manner it is possible to open the container and expose a part of the rim of the container, which has been covered by the lid.
  • lid according to invention may be useful for a large variety of
  • the lid is very suitable for closing and sealing container that are cans for beverage.
  • the part of the lid forming a discharge opening remains attached to the lid after the score lines have been torn.
  • the lid according to the invention provides the same advantages as the stay-on-tab, but does not have the drawbacks of the stay-on-tab, i.e. the inherent risk of contaminating the content in the container. Consequently, the lid according to the invention is very environmental friendly and hygienic in use.
  • the discharge opening part of the lid may remain attached to the lid in a special adapted area, e.g. an area with a pressed indentation or groove. This may further facilitate the opening of the discharge opening.
  • the pressed indentation or groove is suitable located near the centre of the lid.
  • Fig. 1 shows an embodiment of a lid according to the invention mounted on a can
  • Fig. 2 shows a 3-D view of the embodiment of fig. 1,
  • Fig. 3 shows the lid mounted on a can where the discharge opening has been opened
  • Fig. 4 shows a 3-D view if of the lid and can of fig. 3.
  • Fig. 5 shows the lid according to the invention and how the discharge opening is opened
  • Fig. 6 Show alternative embodiments of the lid according to the invention.
  • the lid according to the invention provides a solution for closing and sealing a container which is cost-effective as a pull-ring and rivet for mounting the pull-ring is not required.
  • the lid provides a solution that improves the hygiene due to the fact that the lid covers the areas of the can that will come into contact with the consumer until the discharge opening is opened. In this manner the areas are kept clean and free of bacteria until opening and consumption of the content in the can. This is a huge advantage in comparison with the well-known stay-on-tabs, which have an inherent risk of contaminating the content of the can.
  • the same reference numbers refer to the same parts in the figures.
  • Figure 1 shows an embodiment where the lid is mounted on a can suitable for containing beverage.
  • Figure la shows the can 1 with the lid 2 seen from the front.
  • Figure lb shows the same view but with the can 1 rotated 90 degrees.
  • the starting points of two score lines 3 for tearing the lid 2 is seen.
  • the starting points 4 for tearing the score lines 3 are located at the brim 5 of the lid 2.
  • a gripping device 6 can be seen located between the two score lines 3.
  • the gripping device 6 is also visible in figure lb.
  • the brim 5 of the lid 2 Figure lc is a top view of the can 1 with the lid 2. From this view it can be seen that the score lines 3 together with the part of the brim 5 including the gripping device 6 and surrounds an area 7 on the lid, which when the score lines 3 are torn become a discharge opening.
  • the centre part of the lid 2 there is formed and indentation 8 which the area 7 can bend over when the score lines 3 are torn and the area 7 forms the discharge opening.
  • the area 7 remains attached to the lid along the indention 8 when the score lines 3 are torn.
  • the lid 2 is further equipped with reinforcement ribs that have been pressed in the lid 2.
  • FIG. 2 is a three-dimensional view of the can 1 with the lid 2 according to the invention.
  • the lid 2 has been mounted on the can 1 by use of commonly used crimping tool.
  • the lid 2 has been crimped on the edge 10 of the can 1, and the crimping tool has made and indentation 11 in the lid 2 along the edge 10 of the can 1 to ensure the lid 2 is in a tight and sealed connection with the can 1.
  • Figure 3 shows a can 1 with a lid 2 where the score lines have been torn and a discharge opening 12 has been formed by lifting the area 7 free of the part of the lid 2 that remains attached to the can 1.
  • figure 3a is a front view of the can 1 with lid 2
  • figure 3b the can 1 has been rotated 90 degrees
  • figure 3 c is a top view of the can 1 and lid 2.
  • the area 7 is substantially frustum shaped and at the lower end 8 attached to the lid.
  • the approximate frustum shape of the area 7 provides a corresponding approximate frustum shaped discharge opening 12 in the lid 2.
  • Such a frustum shaped discharge opening is very suitable for drinking from the can 1.
  • lid part forming the area 7 remains attached to lid at the fastening area 8.
  • the lid part 7 will not be separated from the lid 2 and the can 1 and end up as e.g. road litter and cause environmental problems. Moreover, in figure 3b the indentation 11 formed by the crimping tool can be seen on the lid part 7.
  • the lid part 7 when the lid part 7 is opened to form a discharge opening 12 it will expose an area 13 on the edge of the can 1, which has been covered by the lid 2 until the opening. Consequently, this area 13 can be kept free of bacteria and other harmful substances that the can 1 and the lid 2 may be exposed to during storage and the present invention provides a very safe and hygienic solution for storing and consuming e.g. beverage.
  • Figure 4 is a three-dimensional view of the can 1 with lid 2 where the discharge opening 12 has been opened by tearing up the lid part 7.
  • the figures 5a, 5b and 5c show how the discharge opening 12 in the lid 2 of the can 1 is opened.
  • the lid part 7 has been opened by use of the gripping device 6 and, thereby, giving access to the interior of the can 1 via the discharge opening 12.
  • the lid part 7 is attached to the lid 2 by the area 8 forming an indentation in the lid 2.
  • the lid part 7 is turn over and laying substantially flat on the lid 2.
  • the lid part 7 may be tilted back to close the can 1, e.g. to avoid insects entering the can. The tilting is done over the area 8.
  • Figure 6 shows three different embodiments of the lid according to the invention.
  • Figure 6a shows a lid 2 with a substantially circular cross-section.
  • the lid 2 is equipped with score lines 3 from which an opening in the lid 2 can be formed by tearing the score lines 3 from the starting points 4 at the brim 5 of the lid 2.
  • a gripping device 6 is formed at the brim 5 of the lid 2 between the score lines 3 .
  • the gripping device 6 is formed pull-ring like and is convenient to use.
  • Figure 6b shows an embodiment where the score lines 3 are made in the lid 2 in such a way the lid part 7 intended to form an opening en the lid 2 becomes substantially rectangular.
  • the gripping device 6 has the shape of a half-circle.
  • Figure 6c shows a lid 2 that is substantially rectangular. At one end the score lines 3 and a gripping device 6 are formed.
  • a lid may e.g. be suitable for cans containing powdered food or spices e.g. mustard powder.
  • the invention has been described with reference to only a few embodiments it is to be understood that the invention comprises several other embodiments, which are all within the scope of the present invention.
  • the present invention has mainly been described with reference to a can in particular for beverage.
  • the lid according to the invention is equally useful for other containers, such as containers for powdered food, e.g. powdered milk or spices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention se rapporte à un couvercle (2) destiné à un récipient (1), le couvercle étant constitué d'un matériau en forme de plaque mince et conçu pour être monté sur le récipient (1) et pour fermer hermétiquement ce dernier. De plus, le couvercle comprend des lignes de coupe (3) où le matériau mince peut être déchiré pour former une ouverture de sortie (12) dans le couvercle, les points de départ (4) pour déchirer les lignes de coupe se trouvant au niveau du bord (5) du couvercle. Le couvercle comprend en outre une zone qui fait saillie du bord entre les lignes de coupe pour former un dispositif de préhension (6) et le couvercle est en métal.
EP11779332.3A 2010-09-30 2011-09-30 Couvercle pour canette Withdrawn EP2621820A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201000902 2010-09-30
PCT/DK2011/000108 WO2012041319A1 (fr) 2010-09-30 2011-09-30 Couvercle pour canette

Publications (1)

Publication Number Publication Date
EP2621820A1 true EP2621820A1 (fr) 2013-08-07

Family

ID=44910081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11779332.3A Withdrawn EP2621820A1 (fr) 2010-09-30 2011-09-30 Couvercle pour canette

Country Status (4)

Country Link
US (1) US20130299497A1 (fr)
EP (1) EP2621820A1 (fr)
CN (1) CN103140424A (fr)
WO (1) WO2012041319A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD787952S1 (en) 2012-08-29 2017-05-30 Ball Corporation Contoured neck for a beverage container
CN104085613B (zh) * 2014-07-23 2016-09-14 周冰新 一种具有双层盖体的自加热罐体
CN105054721A (zh) * 2015-08-07 2015-11-18 韩梅 一种改进型酒杯
USD799319S1 (en) * 2015-09-30 2017-10-10 Natela Tskhovrebova Cover for a container
USD798739S1 (en) * 2016-04-07 2017-10-03 Brian K. Reaux Cannabis storing container with individual tear off lids
USD997669S1 (en) * 2020-12-18 2023-09-05 Zhuhai Kelitong Electronic Co., Ltd. Beer bottle opener

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Publication number Priority date Publication date Assignee Title
CA476789A (fr) 1951-09-11 Kondakow Mikolaj Capsules ondulees
US3347407A (en) * 1965-06-07 1967-10-17 Sherwin Williams Co Container closure having integral tear strips
US3349949A (en) 1965-07-06 1967-10-31 Fraze Ermal C Ring-shaped tab for tear strips of containers
GB1147130A (en) * 1968-03-06 1969-04-02 Clark Mfg Co J L Container with lift tab cover release
US4184605A (en) * 1978-10-20 1980-01-22 Hanson Paul T Container opening means
US4350261A (en) * 1980-10-06 1982-09-21 The Continental Group, Inc. Closure having opening means
US5143241A (en) * 1991-05-23 1992-09-01 Szymanski John M Can seal
AP1075A (en) * 1998-04-29 2002-06-05 Bongjeong Cantech Co Ltd Top lid for beverage cans with opener intergrated sanitary cover.
DE29914231U1 (de) * 1999-08-16 2000-03-23 Schley Alexander Wiederverschließbare Dose mit Dosendeckel/Werbedosendeckel
AU6696200A (en) 1999-09-30 2001-04-30 Krones Ag Beverage can comprising a protective covering and method and device for placing a protective covering on beverage cans
KR20030041403A (ko) 2001-11-20 2003-05-27 전광섭 청결스티커
DE102004047062A1 (de) * 2004-09-28 2006-04-06 Ball Packaging Europe Gmbh Blechdeckel mit einer großen Lochung für eine Getränkedose

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Title
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Also Published As

Publication number Publication date
CN103140424A (zh) 2013-06-05
US20130299497A1 (en) 2013-11-14
WO2012041319A1 (fr) 2012-04-05

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