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CA2112975A1 - Method and apparatus for reforming can bottom to provide improved strength - Google Patents

Method and apparatus for reforming can bottom to provide improved strength

Info

Publication number
CA2112975A1
CA2112975A1 CA002112975A CA2112975A CA2112975A1 CA 2112975 A1 CA2112975 A1 CA 2112975A1 CA 002112975 A CA002112975 A CA 002112975A CA 2112975 A CA2112975 A CA 2112975A CA 2112975 A1 CA2112975 A1 CA 2112975A1
Authority
CA
Canada
Prior art keywords
annular wall
reforming
container
provide improved
improved strength
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
CA002112975A
Other languages
French (fr)
Other versions
CA2112975C (en
Inventor
Andrew Halasz
Sylvan Praturlon
Paul Azzaline
Christopher Caliendo
Richard D. Zenger
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.)
Rexam Beverage Can Co
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
Priority claimed from US07/735,994 external-priority patent/US5222385A/en
Application filed by Individual filed Critical Individual
Publication of CA2112975A1 publication Critical patent/CA2112975A1/en
Application granted granted Critical
Publication of CA2112975C publication Critical patent/CA2112975C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/12—Cans, casks, barrels, or drums
    • B65D1/14—Cans, casks, barrels, or drums characterised by shape
    • B65D1/16—Cans, casks, barrels, or drums characterised by shape of curved cross-section, e.g. cylindrical
    • B65D1/165—Cylindrical cans
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/30—Deep-drawing to finish articles formed by deep-drawing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Crushing And Grinding (AREA)
  • Stackable Containers (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Abstract

A method and apparatus for reforming the bottom of a container (20) and a container made by that method is disclosed.
The container for which this method and apparatus are suitable has an outer annular wall (26); a convex U-shaped portion (28);
s preformed bottom wall (30), including a center domed portion (32); and an annular wall (34) joining the domed portion and the convex U-shaped portion. The method comprises supporting the bottom peripheral profile portion and bringing a reforming means (36) into engagement with the annular wall. The reforming means is brought to bear against the annular wall to rework the annular wall. The reforming means can also reform the outer annular wall.
CA002112975A 1991-07-25 1992-07-27 Method and apparatus for reforming can bottom to provide improved strength Expired - Lifetime CA2112975C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US735,994 1991-07-25
US07/735,994 US5222385A (en) 1991-07-24 1991-07-25 Method and apparatus for reforming can bottom to provide improved strength
PCT/US1992/006198 WO1993001903A1 (en) 1991-07-25 1992-07-27 Method and apparatus for reforming can bottom to provide improved strength

Publications (2)

Publication Number Publication Date
CA2112975A1 true CA2112975A1 (en) 1993-02-04
CA2112975C CA2112975C (en) 2002-07-23

Family

ID=24958048

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002112975A Expired - Lifetime CA2112975C (en) 1991-07-25 1992-07-27 Method and apparatus for reforming can bottom to provide improved strength

Country Status (10)

Country Link
EP (1) EP0596016B1 (en)
JP (1) JP3519734B2 (en)
KR (1) KR100260999B1 (en)
AT (1) ATE144444T1 (en)
AU (1) AU667208B2 (en)
CA (1) CA2112975C (en)
DE (1) DE69214821T2 (en)
ES (1) ES2094364T3 (en)
GR (1) GR3021525T3 (en)
WO (1) WO1993001903A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9726009D0 (en) * 1997-12-10 1998-02-04 Metal Box Plc Can base reforming
US6419110B1 (en) 2001-07-03 2002-07-16 Container Development, Ltd. Double-seamed can end and method for forming
US7506779B2 (en) * 2005-07-01 2009-03-24 Ball Corporation Method and apparatus for forming a reinforcing bead in a container end closure
JP6414958B2 (en) * 2014-08-27 2018-10-31 ユニバーサル製缶株式会社 Manufacturing method of can, bottom reforming mechanism, and bottom support member used therefor
US11420242B2 (en) * 2019-08-16 2022-08-23 Stolle Machinery Company, Llc Reformer assembly
CN113878057A (en) * 2021-10-09 2022-01-04 广州荣鑫容器有限公司 Forming mechanism of high-strength tank bottom structure of pop-top can

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US744672A (en) * 1902-11-03 1903-11-17 J P Lindemann & Sons Device for crimping sheet-metal elbows and pipe.
US1524946A (en) 1923-03-17 1925-02-03 Holland Furnace Co Bead-forming machine
US2158312A (en) * 1936-02-07 1939-05-16 Borg Warner Machine for making a barrel
US2618182A (en) * 1946-11-18 1952-11-18 Perfect Circle Corp Knurling tool for internal cylindrical surfaces
GB2114031B (en) * 1982-02-02 1985-10-09 Metal Box Plc Method of forming containers
US5105973B1 (en) 1990-10-22 1998-06-02 Ball Corp Beverage container with improved bottom strength
MX9101632A (en) * 1990-10-22 1992-06-05 Ball Corp METHOD AND APPARATUS TO REINFORCE THE BASE OR BOTTOM OF A CONTAINER

Also Published As

Publication number Publication date
EP0596016A1 (en) 1994-05-11
EP0596016B1 (en) 1996-10-23
DE69214821T2 (en) 1997-05-28
DE69214821D1 (en) 1996-11-28
AU667208B2 (en) 1996-03-14
KR100260999B1 (en) 2000-07-01
AU3320093A (en) 1993-02-23
GR3021525T3 (en) 1997-01-31
ATE144444T1 (en) 1996-11-15
CA2112975C (en) 2002-07-23
WO1993001903A1 (en) 1993-02-04
JP3519734B2 (en) 2004-04-19
EP0596016A4 (en) 1994-12-07
ES2094364T3 (en) 1997-01-16
JPH06509513A (en) 1994-10-27

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Legal Events

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