WO2004041666A1 - Tapa de fácil apertura - Google Patents
Tapa de fácil apertura Download PDFInfo
- Publication number
- WO2004041666A1 WO2004041666A1 PCT/ES2003/000006 ES0300006W WO2004041666A1 WO 2004041666 A1 WO2004041666 A1 WO 2004041666A1 ES 0300006 W ES0300006 W ES 0300006W WO 2004041666 A1 WO2004041666 A1 WO 2004041666A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ring
- incision line
- lid
- easy
- die
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000004080 punching Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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
- B65D17/4011—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
- 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
- B65D2517/0068—Ribs or projections in container end panel
- B65D2517/007—Ribs or projections in container end panel located within tear-out/push-in 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 present invention concerns the field of metal containers, specifically of the containers used for the commercialization of food, such as canned cans, cans, etc., and specifically focuses on the opening means of its lid , commonly called "easy opening”.
- the invention affects the classic slit or incision of which the lids of this type of packaging are provided, to facilitate the opening thereof by means of a die-piercing ring.
- metal containers are usually used on whose cover a perimeter incision or indentation line is established, as well as a ring provided with a die-cutting vertex that is superimposed on the said incision line, so that under normal conditions the ring is parallel and adjacent to the lid, while during the opening maneuver it swings on it so that initially and through its punching vertex it causes the tearing of the lid to start , and then the total tearing of the same by traction on said ring occurs.
- US Pat. No. 3,762,596-B discloses a can lid with means thereon preventing the rotation of the ring consisting of said means in two outward projections on both sides of the ring. It also has an incision line whose trajectory in the area of action of the ring is different from that of the rest of said incision line. Specifically, the incision line in that initial break zone is elliptical to distance the incision line from the edge of the can and facilitate the can manufacturing process.
- the devices used to prevent the rotation of the ring do not assure, although they decrease, that during the manipulation of the can in the different manufacturing processes of the ring it does not turn slightly.
- the invention consists in varying the trajectory of the incision line, specifically in the section thereof facing the die-cutting ring, so that said incision line maintains a general path parallel and close to the contour of the cover, in said zone of confrontation with the ring, suffers two symmetrical inflections with respect to the theoretical point of die cutting, which frame an intermediate section in which the trajectory of the incision is arched, specifically with a center of curvature established in correspondence with the rivet of the ring, so that before a supposed turn for the latter its punching vertex is still maintained on the aforementioned incision.
- the amplitude of the aforementioned arcuate section with curvature in the rivet of the ring will vary according to different construction criteria, which must be greater than 1 °, although it is convenient that said arcuate section does not exceed 80 °.
- Figure 1 Shows a schematic representation in plan of an easy opening lid for metal containers equipped with the improvements object of the present invention.
- Figure 2. Shows an enlarged detail of the cover of the previous figure, at the level of the area of the same in which said improvements are established.
- Figure 3. Shows, according to a representation similar to Figure 1, another type of conventional easy opening lid, also provided with the improvements of the invention.
- the lid (1) can adopt the circular configuration of Figure 1, the rectangular configuration of rounded vertices of Figure 3 or any other usual configuration in this type of packaging, such as the elliptical configuration, being also normally provided with drawing ( 7) that stiffen its structure.
- the line of incision (3) in its area of confrontation with the ring (4), undergoes a variation in its trajectory, determining a section of rupture (8) in the form of an arc of circumference, with a center of curvature (9) established in correspondence with the center of the rivet (5), as observed especially in Figure 2, so that the midpoint of this arcuate section
- the break point (8) is located in correspondence with the theoretical point (10) provided for the actuation of the die-cutting vertex (6) of the ring (4), when it is correctly located in the context of the cover (1).
- the amplitude of the said section of breakage (8) with a center of curvature (9) coinciding with the axis of the rivet (5) can vary between 1 ° and 80 °, preferably the amplitude of said arc of 20 °, 10 ° on each side of the theoretical point (10) provided for the activation of the punching vertex (6) of the ring (4), when it is correctly located in the context of the cover (1), and said Breaking section (8) will join the rest of the incision line (3) by double inflections, opposing and arched (11-11 '), which facilitate tearing of the lid (1), avoiding the existence of live couplings in said incision line (3) that could have a negative impact on the tearing of the lid.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60321708T DE60321708D1 (de) | 2002-11-07 | 2003-01-09 | Leicht zu öffnender deckel |
BRPI0315191-3A BR0315191B1 (pt) | 2002-11-07 | 2003-01-09 | tampa fácil de abrir. |
US10/534,027 US20060060582A1 (en) | 2002-11-07 | 2003-01-09 | Easy-openning lid |
EP03704707A EP1561694B1 (en) | 2002-11-07 | 2003-01-09 | Easy-opening lid |
MXPA05004541A MXPA05004541A (es) | 2002-11-07 | 2003-01-09 | Tapa de facil apertura. |
AU2003206969A AU2003206969A1 (en) | 2002-11-07 | 2003-01-09 | Easy-opening lid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP200202554 | 2002-11-07 | ||
ES200202554A ES2238116B1 (es) | 2002-11-07 | 2002-11-07 | Tapa de facil apertura. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004041666A1 true WO2004041666A1 (es) | 2004-05-21 |
Family
ID=32309627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2003/000006 WO2004041666A1 (es) | 2002-11-07 | 2003-01-09 | Tapa de fácil apertura |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060060582A1 (es) |
EP (1) | EP1561694B1 (es) |
AT (1) | ATE398580T1 (es) |
AU (1) | AU2003206969A1 (es) |
BR (1) | BR0315191B1 (es) |
DE (1) | DE60321708D1 (es) |
ES (2) | ES2238116B1 (es) |
MX (1) | MXPA05004541A (es) |
WO (1) | WO2004041666A1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7922025B2 (en) * | 2006-09-19 | 2011-04-12 | Crown Packaging Company, L.P. | Easy open can end with high pressure venting |
US7721906B2 (en) * | 2006-09-19 | 2010-05-25 | Crown Packaging Technology, Inc. | Easy open can end with high pressure venting |
WO2009090171A1 (en) * | 2008-01-18 | 2009-07-23 | Crown Packaging Technology, Inc. | Can end |
ES2366162T3 (es) | 2008-09-04 | 2011-10-17 | Crown Packaging Technology, Inc | Tapa de lata. |
FR2945794A1 (fr) * | 2009-05-20 | 2010-11-26 | Impress Group Bv | Couvercle metallique pour un corps de contenant avec moulure(s)de rigidification |
USD638704S1 (en) | 2010-12-10 | 2011-05-31 | Pactiv Corporation | Container lid |
USD637489S1 (en) | 2010-12-10 | 2011-05-10 | Pactiv Corporation | Pull grip feature of a container lid |
EP2671813A1 (en) * | 2012-06-07 | 2013-12-11 | Crown Packaging Technology, Inc | Easy open closure with improved pressure performance |
JP7271549B2 (ja) * | 2018-07-20 | 2023-05-11 | 大和製罐株式会社 | 缶蓋 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES152778U (es) * | 1967-07-19 | 1969-12-16 | Cebal Gp | Perfeccionamientos en la construccion de tapas para cajas de facil apertura. |
US3762596A (en) * | 1970-07-24 | 1973-10-02 | Dorn Co V | Easy opening can end |
US3869063A (en) * | 1972-06-13 | 1975-03-04 | Schmalbach Lubeca | Easy opening closure for containers |
US3967754A (en) * | 1975-05-12 | 1976-07-06 | Continental Can Company, Inc. | Pull tab anti-rotation mounting |
US4394927A (en) * | 1981-09-14 | 1983-07-26 | General Can Company, Inc. | Metallic convenience closure |
US4826037A (en) * | 1987-12-01 | 1989-05-02 | American National Can Company | Full open end |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3411662A (en) * | 1967-03-27 | 1968-11-19 | Fraze Ermal C | Reinforced tab |
US3951084A (en) * | 1968-02-16 | 1976-04-20 | Cookson Sheet Metal Developments Limited | Manufacture of a frangible element in sheet material |
US3682350A (en) * | 1970-02-18 | 1972-08-08 | Dorn Co V | Easy opening rectangular metal container |
US3768692A (en) * | 1970-09-18 | 1973-10-30 | Nat Steel Corp | Container easy-open structure |
US3837524A (en) * | 1972-03-27 | 1974-09-24 | J Schubert | Easy opening container wall |
US3843012A (en) * | 1972-09-01 | 1974-10-22 | Ermal Co | Easy open can end/and hinged opening tab |
US4014455A (en) * | 1976-06-21 | 1977-03-29 | American Can Company | Accurate flow control container means |
US4258859A (en) * | 1979-02-02 | 1981-03-31 | Boise Cascade Corporation | No-fin scored metal ends for containers |
US4360121A (en) * | 1981-03-27 | 1982-11-23 | Container Corporation Of America | Easy-open lid closure arrangement |
JPS601214B2 (ja) * | 1981-07-29 | 1985-01-12 | 北海製罐株式会社 | 簡易開放型容器の蓋体 |
US4455114A (en) * | 1981-09-14 | 1984-06-19 | General Can Company, Inc. | Method for making a metallic-convenience closure |
US4445621A (en) * | 1983-03-28 | 1984-05-01 | Stoffel Technologies, Inc. | Easy-open container wall |
US4503989A (en) * | 1984-02-01 | 1985-03-12 | Ermal C. Fraze | Can end with retained tear strip |
DE3607402A1 (de) * | 1986-03-06 | 1987-09-10 | Schmalbach Lubeca | Aufreissdeckel aus metall fuer dosen |
WO1988005405A1 (en) * | 1987-01-23 | 1988-07-28 | Saunders William T | Disc removal end wall structure with safety features |
DE3852933T2 (de) * | 1987-11-04 | 1995-09-21 | Nippon Steel Corp | Nicht belüftetes, vollständig und einfach zu öffnendes Behälterende. |
US5038956A (en) * | 1988-01-22 | 1991-08-13 | Weirton Steel Corporation | Abuse resistant, safety-edge, controlled-opening convenience-feature end closures |
US4890759A (en) * | 1989-01-26 | 1990-01-02 | Aluminum Company Of America | Retortable container with easily-openable lid |
US4913305A (en) * | 1989-02-27 | 1990-04-03 | Hisao Hanafusa | Beverage container with bifurcated dispensing lid |
JP2607100Y2 (ja) * | 1992-10-09 | 2001-03-19 | 株式会社コムラ・アンド・カンパニー | 飲料用缶 |
US5813811A (en) * | 1993-07-29 | 1998-09-29 | Weirton Steel Corporation | Easy-access sheet metal container structures |
NL9301812A (nl) * | 1993-10-20 | 1995-05-16 | Hoogovens Groep Bv | Metalen full-aperture easy-open deksel voor een bus. |
US5683006A (en) * | 1996-02-14 | 1997-11-04 | Cook, Iii; Walter M. | Lid for beverage container |
GB9711290D0 (en) * | 1997-06-03 | 1997-07-30 | Metal Box Plc | Easy open ends |
US6234337B1 (en) * | 1998-08-14 | 2001-05-22 | H.J. Heinz Company | Safe container end closure and method for fabricating a safe container end closure |
US6401956B1 (en) * | 1999-09-21 | 2002-06-11 | Crown Cork & Seal Technologies Corporation | Safety container end having improved opening characteristics |
EP1308226A1 (en) * | 2001-11-06 | 2003-05-07 | Impress B.V. | Easy opening closure, container provided with such closure, and apparatus for producing such closure |
-
2002
- 2002-11-07 ES ES200202554A patent/ES2238116B1/es not_active Expired - Fee Related
-
2003
- 2003-01-09 EP EP03704707A patent/EP1561694B1/en not_active Expired - Lifetime
- 2003-01-09 ES ES03704707T patent/ES2307900T3/es not_active Expired - Lifetime
- 2003-01-09 DE DE60321708T patent/DE60321708D1/de not_active Expired - Fee Related
- 2003-01-09 WO PCT/ES2003/000006 patent/WO2004041666A1/es active IP Right Grant
- 2003-01-09 US US10/534,027 patent/US20060060582A1/en not_active Abandoned
- 2003-01-09 AU AU2003206969A patent/AU2003206969A1/en not_active Abandoned
- 2003-01-09 BR BRPI0315191-3A patent/BR0315191B1/pt active IP Right Grant
- 2003-01-09 AT AT03704707T patent/ATE398580T1/de not_active IP Right Cessation
- 2003-01-09 MX MXPA05004541A patent/MXPA05004541A/es active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES152778U (es) * | 1967-07-19 | 1969-12-16 | Cebal Gp | Perfeccionamientos en la construccion de tapas para cajas de facil apertura. |
US3762596A (en) * | 1970-07-24 | 1973-10-02 | Dorn Co V | Easy opening can end |
US3869063A (en) * | 1972-06-13 | 1975-03-04 | Schmalbach Lubeca | Easy opening closure for containers |
US3967754A (en) * | 1975-05-12 | 1976-07-06 | Continental Can Company, Inc. | Pull tab anti-rotation mounting |
US4394927A (en) * | 1981-09-14 | 1983-07-26 | General Can Company, Inc. | Metallic convenience closure |
US4826037A (en) * | 1987-12-01 | 1989-05-02 | American National Can Company | Full open end |
Also Published As
Publication number | Publication date |
---|---|
ATE398580T1 (de) | 2008-07-15 |
ES2238116A1 (es) | 2005-08-16 |
US20060060582A1 (en) | 2006-03-23 |
ES2307900T3 (es) | 2008-12-01 |
BR0315191B1 (pt) | 2012-10-02 |
EP1561694A1 (en) | 2005-08-10 |
DE60321708D1 (de) | 2008-07-31 |
BR0315191A (pt) | 2005-08-23 |
MXPA05004541A (es) | 2005-07-26 |
EP1561694B1 (en) | 2008-06-18 |
AU2003206969A1 (en) | 2004-06-07 |
ES2238116B1 (es) | 2006-12-01 |
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