CA2451453A1 - Can shell and double-seamed can end - Google Patents

Can shell and double-seamed can end Download PDF

Info

Publication number
CA2451453A1
CA2451453A1 CA002451453A CA2451453A CA2451453A1 CA 2451453 A1 CA2451453 A1 CA 2451453A1 CA 002451453 A CA002451453 A CA 002451453A CA 2451453 A CA2451453 A CA 2451453A CA 2451453 A1 CA2451453 A1 CA 2451453A1
Authority
CA
Canada
Prior art keywords
wall
countersink
shell
chuckwall
crown
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.)
Granted
Application number
CA002451453A
Other languages
French (fr)
Other versions
CA2451453C (en
Inventor
R. Peter Stodd
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.)
Container Development Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26760159&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2451453(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/898,802 external-priority patent/US6419110B1/en
Application filed by Individual filed Critical Individual
Publication of CA2451453A1 publication Critical patent/CA2451453A1/en
Application granted granted Critical
Publication of CA2451453C publication Critical patent/CA2451453C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/30—Folding the circumferential seam
    • B21D51/32—Folding the circumferential seam by rolling
    • 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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
    • 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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
    • B65D7/34—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with permanent connections between walls
    • B65D7/36—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with permanent connections between walls formed by rolling, or by rolling and pressing
    • 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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/42—Details of metal walls
    • B65D7/44—Reinforcing or strengthening parts or members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Vehicle Body Suspensions (AREA)
  • Connection Of Plates (AREA)

Abstract

A drawn aluminum can shell has a peripheral crown which is double-seamed with an end portion of an aluminum can body to provide a can end having a generally flat center panel connected by a curved panel wall to an inner wall of an annular U-shaped countersink. The countersink has a generally cylindrical outer wall and an inner width less than the radius of the panel wall. The outer wall of the countersink connects with a lower wall portion of a frustoconical chuckwall at a junction below the center panel, and an upper wall portion of the chuckwall extends to an inner wall of the crown at an angle of at least 16~ with the center axis. In one embodiment, the chuckwall has an intermediate generally vertical short riser portion connecting the wall portions, and the inner bottom width of the countersink is less than .040 inch.

Claims (17)

1. A sheet metal can shell having a vertical center axis and a curled peripheral crown adapted to be double-seamed to an end portion of a formed sheet metal can body, said shell comprising a circular center panel connected by a curved panel wall to an inner wall of a countersink having a U-shaped cross-section and an outer wall, a frusto-conical chuckwall having a wall portion extending at an angle greater than 16° relative to said center axis and connected to said outer wall of said countersink at a first junction, said crown having an inner wall connected to said chuckwall at a second junction, said countersink having a radius of curvature substantially smaller than a radius of curvature of said curved panel wall, said first junction being spaced below the level of said center panel with a vertical distance between said first junction and said second junction being greater than the width of said countersink at the bottom of said countersink between said inner and outer walls of said countersink, and said radius of curvature of said curved panel wall being greater than said width of said countersink.
2. A shell as defined in claim 1 wherein said difference in diameters between said inner wall of said crown and said outer wall of said countersink is substantially greater than said radius of curvature of said countersink.
3. A shell as defined in claim 1 wherein said wall portion of said frusto-conical chuckwall extends at an angle between 25° and 30°
relative to said center axis.
4. A shell as defined in claim 1 wherein said shell has an overall height between said crown and said countersink between .195 inch and .265 inch.
5. A shell as defined in claim 1 wherein said countersink has a generally flat bottom wall and curved inner and outer corner walls connecting said bottom wall to said inner and outer walls of said countersink, and each of said corner walls has a radius of curvature less than a radial width of said bottom wall.
6. A shell as defined in claim 1 in combination with a double seaming chuck having an axis of rotation common with said center axis of said shell, said seaming chuck including an annular portion projecting into said countersink and having an outer surface engaging said outer wall of said countersink, said seaming chuck having a frusto-conical surface engaging said chuckwall, and said seaming chuck having a surface engaging said inner wall of said crown.
7. A sheet metal can shell having a vertical center axis and a curled peripheral crown adapted to be double-seamed to an end portion of a formed sheet metal can body, said shell comprising a circular center panel connected by a curved panel wall to an inner wall of a countersink having an outer wall and a U-shaped cross-sectional configuration, a generally frusto-conical chuckwall extending from said outer wall of said countersink and having an inclined upper wall portion extending at an angle of at least 16° relative to said center axis, said chuckwall having an inclined lower wall portion connected to said outer wall of said countersink at a junction disposed substantially below the level of said center panel, said crown having an inner wall connected to said upper wall portion of said chuckwall, said countersink having a radius of curvature substantially smaller than a radius of curvature of said curved panel wall, and the width of said countersink at the bottom of said countersink between said inner and outer walls of said countersink being less than said radius of curvature of said panel wall and less than .040 inch.
8. A shell as defined in claim 7 wherein the difference in diameters between said inner wall of said crown and said outer wall of said countersink is greater than said width of said countersink.
9. A shell as defined in claim 7 wherein said upper wall portion of said chuckwall extend at an angle of at least 25° relative to said center axis.
10. A shell as defined in claim 7 wherein a generally vertical short riser wall portion connects said upper and lower wall portions of said chuckwall.
11. A shell as defined in claim 7 wherein said inclined lower wall portion of said chuckwall extends at an angle less than said angle of said upper wall portion relative to said center axis.
12. A shell as defined in claim 7 wherein said angle of said inner wall of said countersink is inclined at an angle between an angle of said inclined lower wall portion of said chuckwall and said angle of said inclined upper wall portion of chuckwall.
13. A shell as defined in claim 7 wherein said chuckwall connects with said inner wall of said crown at a first junction and connects with said outer wall of said countersink at a second junction, and the axial distance between said first and second junctions is substantially greater than said width of said countersink.
14. A sheet metal can shell having a vertical center axis and a curled peripheral crown adapted to be double-seamed to an end portion of a formed sheet metal can body, said shell comprising a circular center panel connected by a curved panel wall to an inner wall of a countersink having a U-shaped cross-section, a generally frusto-conical chuckwall including an upper wall portion extending at an angle greater than 16° relative to said center axis and having an inclined lower wall portion connected to an outer wall of said countersink at a first junction, said crown having an inner wall connected to said upper wall portion of said chuckwall at a second junction, said countersink having a radius of curvature substantially smaller than a radius of curvature of said curved panel wall, said first junction being spaced below the level of said center panel, and the axial distance from said center panel to the bottom of said countersink being less than the axial distance from said center panel to the top of said crown.
15. A shell as defined in claim 14 wherein the difference in diameters between said inner wall of said crown and said outer wall of said countersink is greater than said width of said countersink.
16. A shell as defined in claim 14 wherein said upper wall portion of said chuckwall extends at an angle of at least 25° relative to said center axis.
17. A shell as defined in claim 14 wherein said curved panel wall has a radius of curvature substantially greater than said width of said countersink.
CA2451453A 2001-07-03 2002-07-01 Can shell and double-seamed can end Expired - Lifetime CA2451453C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/898,802 US6419110B1 (en) 2001-07-03 2001-07-03 Double-seamed can end and method for forming
US09/898,802 2001-07-03
US10/078,152 2002-02-19
US10/078,152 US6516968B2 (en) 2001-07-03 2002-02-19 Can shell and double-seamed can end
PCT/US2002/022287 WO2003004716A2 (en) 2001-07-03 2002-07-01 Can shell and double-seamed can end

Publications (2)

Publication Number Publication Date
CA2451453A1 true CA2451453A1 (en) 2003-01-16
CA2451453C CA2451453C (en) 2010-01-26

Family

ID=26760159

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2451453A Expired - Lifetime CA2451453C (en) 2001-07-03 2002-07-01 Can shell and double-seamed can end

Country Status (12)

Country Link
US (1) US20030121924A1 (en)
EP (1) EP1434894B1 (en)
JP (1) JP4647207B2 (en)
CN (1) CN1321862C (en)
AU (1) AU2002354810B2 (en)
BR (1) BR0211033B1 (en)
CA (1) CA2451453C (en)
IL (1) IL159505A0 (en)
MX (1) MXPA03012003A (en)
NZ (1) NZ530353A (en)
RU (1) RU2323796C2 (en)
WO (1) WO2003004716A2 (en)

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US7819275B2 (en) 2001-07-03 2010-10-26 Container Development, Ltd. Can shell and double-seamed can end
US6419110B1 (en) 2001-07-03 2002-07-16 Container Development, Ltd. Double-seamed can end and method for forming
JP4717822B2 (en) * 2003-09-30 2011-07-06 コンテナ・ディベロップメント・リミテッド Can shell and double winding can end
EP1598126A1 (en) * 2004-05-19 2005-11-23 Impress Group B.V. Method and apparatus for deep drawing metal blanks and stepped articles made therefrom, typically cups or shells for easy open ends
WO2006036934A2 (en) * 2004-09-27 2006-04-06 Ball Corporation Container end closure
US7182661B2 (en) * 2005-02-24 2007-02-27 David Bryan Sams Detachable surfboard fin system
US7506779B2 (en) 2005-07-01 2009-03-24 Ball Corporation Method and apparatus for forming a reinforcing bead in a container end closure
EP1813540A1 (en) * 2006-01-30 2007-08-01 Impress Group B.V. Can end for a can and such can
CN100457561C (en) * 2006-05-27 2009-02-04 苏州斯莱克精密设备有限公司 Anti-atmospheric pressure type metal pop-torp cover
US8875936B2 (en) * 2007-04-20 2014-11-04 Rexam Beverage Can Company Can end with negatively angled wall
US8011527B2 (en) * 2007-08-10 2011-09-06 Rexam Beverage Can Company Can end with countersink
US8973780B2 (en) 2007-08-10 2015-03-10 Rexam Beverage Can Company Can end with reinforcing bead
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US9566634B2 (en) 2010-06-07 2017-02-14 Rexam Beverage Can Company Can end produced from downgauged blank
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US9573183B2 (en) * 2012-05-18 2017-02-21 Stolle Machinery Company, Llc Container, and selectively formed shell, and tooling and associated method for providing same
GB2511559B (en) 2013-03-07 2018-11-14 Mondelez Uk R&D Ltd Improved Packaging and Method of Forming Packaging
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CN108438434B (en) * 2018-04-16 2023-12-15 苏州斯莱克精密设备股份有限公司 Pressure-resistant basic cover, easy-to-open cover and pop-top can with easy-to-open cover
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Also Published As

Publication number Publication date
BR0211033B1 (en) 2013-04-16
AU2002354810B2 (en) 2008-01-03
CN1321862C (en) 2007-06-20
JP4647207B2 (en) 2011-03-09
EP1434894B1 (en) 2011-03-02
EP1434894A2 (en) 2004-07-07
MXPA03012003A (en) 2005-07-01
RU2323796C2 (en) 2008-05-10
WO2003004716A2 (en) 2003-01-16
US20030121924A1 (en) 2003-07-03
CA2451453C (en) 2010-01-26
JP2004533933A (en) 2004-11-11
CN1524049A (en) 2004-08-25
NZ530353A (en) 2006-03-31
BR0211033A (en) 2005-01-04
RU2003137570A (en) 2005-05-27
WO2003004716A3 (en) 2004-04-29
IL159505A0 (en) 2004-06-01
EP1434894A4 (en) 2009-04-29

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Effective date: 20220704