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GB1517931A - Double-seamed containers - Google Patents

Double-seamed containers

Info

Publication number
GB1517931A
GB1517931A GB3350775A GB3350775A GB1517931A GB 1517931 A GB1517931 A GB 1517931A GB 3350775 A GB3350775 A GB 3350775A GB 3350775 A GB3350775 A GB 3350775A GB 1517931 A GB1517931 A GB 1517931A
Authority
GB
United Kingdom
Prior art keywords
less
inches
thickness
curl
butadiene
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.)
Expired
Application number
GB3350775A
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.)
Primerica Inc
Original Assignee
American Can Co
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 American Can Co filed Critical American Can Co
Priority to GB3350775A priority Critical patent/GB1517931A/en
Publication of GB1517931A publication Critical patent/GB1517931A/en
Expired 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
    • B21D51/44—Making closures, e.g. caps
    • B21D51/46—Placing sealings or sealing material
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

1517931 Portable containers AMERICAN CAN CO 12 Aug 1975 33507/75 Heading B8D [Also in Divisions C3 and B3] To avoid the formation of cracks when seaming a metal closure 14 to the end of a metal container body 12 having a substantially axial grain direction, a curl 34, Fig. 6, is formed at the end of the body 12, sealant 32, Fig. 2, is applied to the closure and/or body 12, and a double seam is formed to withstand 90 p.s.i. at 140‹ F. The diameter of the curl is less than the width of an equivalent conventional flange so that the body is subject to less stretching. Curls may be formed by rolling or with a die on steel or aluminium bodies of less than 0À006 inches thickness for an axially seamed body and less than 0À0057 inches thickness for a seamless drawn and ironed body. For a seamless body of aluminium the thickness may be 0À0048 inches and for steel 0À0038 inches. The body may be heat treated and/or coated with acetlacetonates, modified epoxies, ethylene acrylic acid copolymers, polyethylenes or combinations thereof. Suitable thermoplastic adhesives for the seam are those based on an ethylene acetate terpolymer, a butadiene-styrene-block copolymer, and a polyamide polymer. Synthetic rubber based on styrene-butadiene co-polymer may be used. Compositions are given in the Specification.
GB3350775A 1975-08-12 1975-08-12 Double-seamed containers Expired GB1517931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3350775A GB1517931A (en) 1975-08-12 1975-08-12 Double-seamed containers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3350775A GB1517931A (en) 1975-08-12 1975-08-12 Double-seamed containers

Publications (1)

Publication Number Publication Date
GB1517931A true GB1517931A (en) 1978-07-19

Family

ID=10353870

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3350775A Expired GB1517931A (en) 1975-08-12 1975-08-12 Double-seamed containers

Country Status (1)

Country Link
GB (1) GB1517931A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196891A (en) * 1986-10-30 1988-05-11 Redicon Corp Forming end panels for containers
CN103910109A (en) * 2014-04-24 2014-07-09 吴江市吴氏制桶有限公司 Seven-layer steel barrel with three-layer square turned edge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196891A (en) * 1986-10-30 1988-05-11 Redicon Corp Forming end panels for containers
GB2196891B (en) * 1986-10-30 1991-04-03 Redicon Corp Method and apparatus for forming end panels for containers and end panels formed thereby
CN103910109A (en) * 2014-04-24 2014-07-09 吴江市吴氏制桶有限公司 Seven-layer steel barrel with three-layer square turned edge

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee