JPS57199520A - Manufacture of welded metallic can - Google Patents

Manufacture of welded metallic can

Info

Publication number
JPS57199520A
JPS57199520A JP7373582A JP7373582A JPS57199520A JP S57199520 A JPS57199520 A JP S57199520A JP 7373582 A JP7373582 A JP 7373582A JP 7373582 A JP7373582 A JP 7373582A JP S57199520 A JPS57199520 A JP S57199520A
Authority
JP
Japan
Prior art keywords
shell
end edge
weld
press
correcting rollers
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
JP7373582A
Other languages
Japanese (ja)
Other versions
JPS5939205B2 (en
Inventor
Kiyoshi Kawamata
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.)
Nihon Seikan KK
Original Assignee
Nihon Seikan KK
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 Nihon Seikan KK filed Critical Nihon Seikan KK
Priority to JP7373582A priority Critical patent/JPS5939205B2/en
Publication of JPS57199520A publication Critical patent/JPS57199520A/en
Publication of JPS5939205B2 publication Critical patent/JPS5939205B2/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
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2676—Cans or tins having longitudinal or helical seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

PURPOSE:To reinforce a weld by overhanging a can shell wall without being caught by other substance, by press-shaping an end edge of the weld and making it round when shaping a square cylindrical shell, and also placing the end edge on the same plane with a can shell outside wall. CONSTITUTION:A can shell material is formed so that the side is lozenge-shaped, end edge parts 1a, 1b of a can shell part are doubled and are press-welded by welding rollers 7, 8, and a can shell 1 is formed. Subsequently, it is shifted in the direction as indicated with an arrow 6, and to 3 corner parts of the can shell 1, 2 front and rear groups of each 1 pair of correcting rollers 11, 12 are made to pinch-contact, and also to a weld, 2 front and rear groups of each 1 pair of correcting rollers 2, 3 are made to pinch-contact by pressure. The correcting rollers 11, 12 shape the can shell 1 to a regular square for the most part, also the correcting rollers 2, 3 shape it to a regular square and simultaneously molde each end edge 4, 4a of the welds 1a, 1b roundly, press the cut end edge against the can shell material side, also a part of the can shell outside wall is overhanged so that the cut end edge 4a and the can shell outside wall are on the same plane, and a projecting part 5 is formed.
JP7373582A 1982-04-30 1982-04-30 Manufacturing method for welded metal cans Expired JPS5939205B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7373582A JPS5939205B2 (en) 1982-04-30 1982-04-30 Manufacturing method for welded metal cans

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7373582A JPS5939205B2 (en) 1982-04-30 1982-04-30 Manufacturing method for welded metal cans

Publications (2)

Publication Number Publication Date
JPS57199520A true JPS57199520A (en) 1982-12-07
JPS5939205B2 JPS5939205B2 (en) 1984-09-21

Family

ID=13526786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7373582A Expired JPS5939205B2 (en) 1982-04-30 1982-04-30 Manufacturing method for welded metal cans

Country Status (1)

Country Link
JP (1) JPS5939205B2 (en)

Also Published As

Publication number Publication date
JPS5939205B2 (en) 1984-09-21

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