EP3377417B1 - Dosendeckel - Google Patents

Dosendeckel Download PDF

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Publication number
EP3377417B1
EP3377417B1 EP16794325.7A EP16794325A EP3377417B1 EP 3377417 B1 EP3377417 B1 EP 3377417B1 EP 16794325 A EP16794325 A EP 16794325A EP 3377417 B1 EP3377417 B1 EP 3377417B1
Authority
EP
European Patent Office
Prior art keywords
lid
tab
accordance
opening
tongue tab
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.)
Active
Application number
EP16794325.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3377417A1 (de
Inventor
Klaus Thielen
Eva-Maria Thielen
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.)
Piech Gregor Anton
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to RS20200379A priority Critical patent/RS60228B1/sr
Priority to PL16794325T priority patent/PL3377417T3/pl
Priority to SI201630687T priority patent/SI3377417T1/sl
Publication of EP3377417A1 publication Critical patent/EP3377417A1/de
Application granted granted Critical
Publication of EP3377417B1 publication Critical patent/EP3377417B1/de
Priority to HRP20200486TT priority patent/HRP20200486T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • B65D17/404—Details of the lines of weakness
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/14—Linings or internal coatings
    • 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
    • B65D2517/0014—Action for opening container pivot tab and push-down tear 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
    • B65D2517/001—Action for opening container
    • B65D2517/0016—Action for opening container pivot tab, push-down and pull-out tear 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
    • B65D2517/008—Materials of container end panel
    • B65D2517/0082—Coated or laminated metal

Definitions

  • the invention relates to a can lid, in particular for beverage cans, with a limited opening area provided in the metallic lid material of a lid surface, and with a two-armed lever element intended for opening this opening area, which is firmly connected to the lid material, in particular by riveting or welding.
  • Can lids of this type are used on a very large scale worldwide. They are simple and inexpensive to manufacture and enable space-saving stacking of cans and opening of the cans by simply swinging up the long arm of the lever element.
  • these generally known can lids have some serious disadvantages, which mainly consist in the fact that the lever part, which initially lies flat on the lid surface, is not easy to grasp, that when the lever member is swung up and the can is opened, the part of the lid that initially closes the opening area is pressed into the inside of the can and there comes into contact with the liquid, which is not hygienically perfect, and that during the opening process, ie when the existing weakening groove between the opening area and the lid surface is torn or severed, tiny aluminum particles are inevitably released from the lid material and also enter the can directly or via the lid portion pressed into the interior of the can. These tiny chips or aluminum particles are harmful to health if they get into the human body together with the drink.
  • WO 2015/104659 discloses a can lid according to the preamble of claim 1.
  • the object of the present invention is to create a can lid of the type mentioned at the outset without at least one of the disadvantages mentioned above, i.e. in particular a can lid, which is easier to open and easier to use than conventional can lids, is hygienically flawless and, above all, prevents the appearance of aluminum chips or aluminum microparticles during the opening process.
  • a can provided with the lid according to the invention should correspond to the conventional cans with regard to the storage of the respective content, the manufacturing, transport and handling properties.
  • this object is essentially achieved in that the opening area is designed as a tongue tab, which is separated from the lid surface by a micro-gap extending over the tab circumference, in particular a punching gap, and the tongue tab base connected to the lid surface
  • the opening process becomes effective as an articulated bearing, and that the coating is weakened adjacent to the microgap between the tongue tab and the lid surface, in particular notched and preferably at least partially notched.
  • microgap is preferably made by a punching process with subsequent return of the tongue flap pressed out of the can lid material by punching into its starting position before Get punching.
  • the easy opening of the can ie possible with little force, is a consequence of the fact that it is not necessary to cut through metal and the film on the underside is only peeled off in a very narrow area due to the notch during opening.
  • the two-armed lever member is attached to the lid surface and the short lever arm pivots the tongue tab during the opening process together with the partial area of the plastic coating covering it on the underside and delimited by the line of weakness into the interior of the can , this being made possible by the fact that the notch line is located outside the microgap.
  • a preferred development of the basic principle according to the invention is that the two-armed lever member is attached to the tongue tab and can be supported with its short lever arm on the lid surface, in particular on a stiffening area of the lid surface, and that the long lever arm during the opening process together with the one that covers it on the underside , pivoted to the outside by the partial area of the plastic coating which is delimited within the microgap.
  • This embodiment combines all of the achievable advantages of the invention since, compared to the conventional can lids, the opening process requires a significantly lower effort, the occurrence of aluminum chips or aluminum microparticles during the opening process is completely avoided and, moreover, an optimum is achieved in terms of hygiene. there an immersion of can lid parts into the can interior and thus into the liquid in the can is prevented.
  • An advantageous embodiment of the invention for all design variants is characterized in that the tongue tab of the metallic can lid is separated from the lid surface surrounding it with the formation of interlocking projections and recesses by a cutting, in particular a punching process, and that the tongue tab and the one adjacent to it Cover surface on the projections and recesses are positively and non-positively connected to form the micro-gap, the tightness of the finished, unopened can lid is ensured by the internal plastic coating or film.
  • the sealing ability against can internal pressure is improved by a concave tongue tab.
  • the projections and the recesses are preferably coupled via undercuts.
  • the longer arm of the two-armed lever member is formed by a grip tab, in particular an annular tab, and the two-armed lever member is connected to the tongue tab off-center, in particular at the edge.
  • the invention also includes all the cans which are provided with a can lid according to the invention, which is preferably connected to the respective can via a respective flanged edge, the plastic film provided on the underside of the lid in particular performing the sealing function in the connection area between the can lid and the can and which purposefully positioned notch allows opening with little force.
  • Fig. 1 shows an embodiment of the can lid 1 according to the invention in a schematic plan view.
  • this can lid is provided in a conventional manner with a flanged edge 2, the area lying within the flanged edge 2 being formed by a lid surface 3 which has an opening area 4 designed as a tongue tab offset with respect to the center.
  • This metallic can lid which is made of aluminum material, is provided surrounding the opening area 4 with a stiffening area 14 formed by material deformation.
  • a two-armed lever 5, 6 is connected to the opening area 4 or the tongue tab of the can lid, in particular riveted or welded, so that there is a fixed connection point 7.
  • This connection point 7 lies in the edge region of the opening region 4, ie opposite the tongue base connected to the cover surface (3), and the two-armed lever consists of a shorter and a longer region, the longer lever preferably being of a good quality tangible ring tab 5 and the shorter area is formed by a support leg 6, which is supported on a part of the stiffening area 14 of the can lid when the longer lever is pivoted up.
  • the two-armed lever 5, 6 lies essentially parallel to the cover surface 3.
  • the tongue tab forming the opening area 4 is positively and non-positively connected to the cover surface 3 via projections 12 and recesses 13 and preferably via suitable undercuts of these parts, with the exception of the area of the tongue base 7, where the opening area 4 and cover surface 3 are metallically connected, so that practically a kind of articulated joint 9 allows the tongue tab 3 to be swiveled up by means of the lever when the can is opened, and then the tongue tab and lever can move into a rest position outside the can interior with the opening being opened.
  • the required tightness of the can lid is ensured in spite of the lack of a continuous metallic connection between the lid surface 3 and the opening area 4 in the region of the teeth by a plastic material, in particular a full-surface area attached to the underside of the metallic lid, in particular a suitable plastic film, which is attached or adhered to the underside of the lid is sealed.
  • This coating has a pronounced weakening 14, in particular a single or partial notch, directly adjacent and within the opening line or the micro-gap, so that when the can lid is opened and the tongue flap 4 is pulled up, the narrow area of the plastic film 3 covering the micro-gap practically extends from Metal peeled off and thus the can can be opened with little effort.
  • the opening area or the tongue tab is made by a cutting or preferably during manufacture of the can lid a punching process separates the tongue flap from the surrounding lid surface, the chips or microparticles that are produced in the process being able to be removed completely and without problems during the manufacturing process.
  • the tongue tab which is still connected to the cover surface 3 via its base, is pressed back into the cover surface plane immediately after it has been punched out, so that the cover surface practically returns to its original appearance, but now with a micro-gap produced by the stamping process.
  • interlocking projections 12 and recesses 13 are preferably produced during the punching process, as is the case with the Fig. 1 can be seen.
  • the two components are interlocked so that the can lid can be handled in the same way in further manufacturing steps as conventional can lids, which only have a weakening groove.
  • the processes of separation and merging take place one after the other, i.e. on the punching stroke, the positive joining of the two parts into an overall part takes place in the return stroke.
  • the positive and non-positive connection between the two areas is achieved by suitable shaping or by using undercuts, which ensure a sufficient mutual mechanical connection, so that the necessary coating processes or the process of applying the film on the underside, as with a uniform one Part can be done.
  • the opening area or the tongue tab remains connected to the cover surface 3 via the articulated bearing area 9 and the microgap is covered by the plastic film provided with a notch on the inside.
  • the plastic film which can be a PP film that reacts when sealed with the sealing wax provided on the metal, is produced in particular as an independent blister molding in which the notch is already provided. For example, if the film is about 2/10 mm thick, the notch will weaken to 1/100 mm.
  • the somewhat enlarged partial view Fig. 3 shows, in addition to the design of the connection point 7 in the manner of a rivet bond, above all the full-surface attachment of the plastic film 10 on the underside of the can lid and in particular the formation of the weakening line 11 in the plastic film 10, which is preferably achieved by notching and / or area-wise notching, depending on the Embodiment extends inside or outside the micro-gap around the opening area 4.
  • FIG. 4 shows the design features already described in a particularly illustrative manner and also reveals that the ring tab 5 forming the longer lever arm can be conveniently gripped with a finger due to a recess provided in the cover surface 3 and can be pivoted upwards for the opening process.
  • the shorter lever 6 is supported on the stiffened area 14, as a result of which, in the course of pulling up the ring tab, the opening area 4, with simultaneous and now without chip formation, the particularly positive coupling of the lid surface 3 and tongue tab 4 and with separation and the solution of the plastic film on the underside of the lid is opened.
  • the ring tab 5 and the opening area 3 pulled up with it are in the free right area of the can lid on the in Fig. 4 below the free end of the ring bracket pivoted pivot area 9 and remain there with the can open.
  • closure and opening system described for a can lid can also be used in an analogous manner for other containers and packaging which are to be equipped with a zipper.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Closures For Containers (AREA)
  • Finger-Pressure Massage (AREA)
EP16794325.7A 2015-12-22 2016-11-10 Dosendeckel Active EP3377417B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
RS20200379A RS60228B1 (sr) 2015-12-22 2016-11-10 Poklopac limenke
PL16794325T PL3377417T3 (pl) 2015-12-22 2016-11-10 Pokrywka puszki
SI201630687T SI3377417T1 (sl) 2015-12-22 2016-11-10 Pokrov pločevinke
HRP20200486TT HRP20200486T1 (hr) 2015-12-22 2020-03-24 Poklopac za limenke

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015122548.4A DE102015122548A1 (de) 2015-12-22 2015-12-22 Dosendeckel
PCT/EP2016/077249 WO2017108260A1 (de) 2015-12-22 2016-11-10 Dosendeckel

Publications (2)

Publication Number Publication Date
EP3377417A1 EP3377417A1 (de) 2018-09-26
EP3377417B1 true EP3377417B1 (de) 2020-01-29

Family

ID=57281221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16794325.7A Active EP3377417B1 (de) 2015-12-22 2016-11-10 Dosendeckel

Country Status (25)

Country Link
US (1) US10549882B2 (ar)
EP (1) EP3377417B1 (ar)
JP (1) JP7086846B2 (ar)
KR (1) KR102167947B1 (ar)
CN (1) CN108602585B (ar)
AU (1) AU2016378603B2 (ar)
BR (1) BR112018012709B1 (ar)
CA (1) CA3008237C (ar)
CY (1) CY1122819T1 (ar)
DE (1) DE102015122548A1 (ar)
DK (1) DK3377417T3 (ar)
EA (1) EA033945B1 (ar)
ES (1) ES2779825T3 (ar)
HR (1) HRP20200486T1 (ar)
HU (1) HUE048495T2 (ar)
LT (1) LT3377417T (ar)
MA (1) MA43249B1 (ar)
MX (1) MX2018007683A (ar)
PL (1) PL3377417T3 (ar)
PT (1) PT3377417T (ar)
RS (1) RS60228B1 (ar)
SA (1) SA518391837B1 (ar)
SI (1) SI3377417T1 (ar)
WO (1) WO2017108260A1 (ar)
ZA (1) ZA201803724B (ar)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11952164B1 (en) 2012-08-10 2024-04-09 Powercan Holding, Llc Resealable container lid and accessories including methods of manufacture and use
USD828753S1 (en) * 2012-08-10 2018-09-18 Daniel A Zabaleta Axially oriented peripheral sidewalled beverage container lid
HUE050822T2 (hu) 2017-04-05 2021-01-28 Gregor Anton Piech Fém dobozfedél
ES2935714T3 (es) * 2018-06-19 2023-03-09 Top Cap Holding Gmbh Procedimiento para fabricar una tapa de lata metálica
CN112763281A (zh) * 2020-12-29 2021-05-07 北京方鸿智能科技有限公司 采样片

Family Cites Families (19)

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US3342367A (en) * 1965-10-20 1967-09-19 Continental Can Co Window can end unit
US3952912A (en) * 1972-03-02 1976-04-27 Walter Merton Perry Container with attached closure
US3964670A (en) * 1974-12-09 1976-06-22 The Procter & Gamble Company Closure
WO1979001094A1 (en) 1978-05-22 1979-12-13 N Waterbury Reclosable container
DE3235167A1 (de) * 1982-09-23 1984-03-29 Robert Bosch Gmbh, 7000 Stuttgart Behaelterdeckel mit oeffnungseinrichtung
DE3639426C1 (de) * 1986-11-18 1987-10-01 Rasselstein Ag Dosendeckel aus Blech fuer Dosen,deren Inhalt unter Innendruck steht
GB9321118D0 (en) * 1993-10-13 1993-12-01 Metal Box Plc Closure
IT1280461B1 (it) * 1995-09-11 1998-01-20 Cesare Mongarli Contenitore, particolarmente per bevande.
DE19629148C2 (de) * 1996-07-19 2002-10-24 Mars Inc Verfahren zur Herstellung eines befüllten Behälters
JP2003095264A (ja) * 2001-09-18 2003-04-03 Mitsubishi Materials Corp 開口容易なラミネート缶蓋
JP4803648B2 (ja) * 2005-09-01 2011-10-26 大和製罐株式会社 ステイオンタブ方式の開口容易缶蓋
US20070284374A1 (en) * 2006-06-13 2007-12-13 Kou-An Chen Structure of a lid of easy open can
CA2721263C (en) * 2008-04-24 2016-04-05 Tomoyuki Shibata Compound container and pouring-out method
MX2011008053A (es) * 2009-01-30 2012-01-12 Dow Global Technologies Llc Composiciones de polietileno de alta densidad, metodo para producir las mismas, dispositivos de cierre elaborados de las mismas, y metodo para elaborar dichos dispositivos de cierre.
EP2253552A1 (en) * 2009-04-23 2010-11-24 Crown Packaging Technology, Inc Can end
US8695832B2 (en) * 2010-02-02 2014-04-15 Klaus Thielen Can lid and method for producing a can lid
AU2011237908B2 (en) * 2010-04-06 2015-07-23 C2C Beteiligungs-Gmbh Container closure device, and container having such a container closure device
US9016504B2 (en) 2011-08-11 2015-04-28 Stolle Machinery Company, Llc Can end, double action tab therefor, tooling assembly, and associated method
WO2015104659A1 (en) * 2014-01-08 2015-07-16 International Patents And Brands Corporation Lid for containers of substances and container of substances comprising said lid

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Also Published As

Publication number Publication date
ZA201803724B (en) 2019-03-27
WO2017108260A1 (de) 2017-06-29
SI3377417T1 (sl) 2020-07-31
DE102015122548A1 (de) 2017-06-22
US20180002065A1 (en) 2018-01-04
PT3377417T (pt) 2020-03-30
EP3377417A1 (de) 2018-09-26
PL3377417T3 (pl) 2020-09-07
LT3377417T (lt) 2020-03-25
CA3008237A1 (en) 2017-06-29
CN108602585A (zh) 2018-09-28
KR102167947B1 (ko) 2020-10-21
CN108602585B (zh) 2021-02-09
AU2016378603B2 (en) 2021-08-12
EA201891493A1 (ru) 2018-12-28
CA3008237C (en) 2022-03-15
JP7086846B2 (ja) 2022-06-20
RS60228B1 (sr) 2020-06-30
MX2018007683A (es) 2018-11-14
MA43249A (fr) 2018-09-26
HUE048495T2 (hu) 2020-07-28
BR112018012709A2 (pt) 2018-12-04
MA43249B1 (fr) 2020-04-30
DK3377417T3 (da) 2020-03-30
CY1122819T1 (el) 2021-05-05
ES2779825T3 (es) 2020-08-20
JP2019500288A (ja) 2019-01-10
US10549882B2 (en) 2020-02-04
SA518391837B1 (ar) 2021-09-04
AU2016378603A1 (en) 2018-07-05
EA033945B1 (ru) 2019-12-12
KR20180087325A (ko) 2018-08-01
HRP20200486T1 (hr) 2020-06-26
BR112018012709B1 (pt) 2022-09-27

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