JPS638853B2 - - Google Patents

Info

Publication number
JPS638853B2
JPS638853B2 JP8971681A JP8971681A JPS638853B2 JP S638853 B2 JPS638853 B2 JP S638853B2 JP 8971681 A JP8971681 A JP 8971681A JP 8971681 A JP8971681 A JP 8971681A JP S638853 B2 JPS638853 B2 JP S638853B2
Authority
JP
Japan
Prior art keywords
mold
mandrel
upper mold
arc
shaped
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
JP8971681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57206521A (en
Inventor
Suekichi Suzuki
Shoichi Motoyama
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.)
Tezuka Kosan KK
Original Assignee
Tezuka Kosan 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 Tezuka Kosan KK filed Critical Tezuka Kosan KK
Priority to JP8971681A priority Critical patent/JPS57206521A/ja
Publication of JPS57206521A publication Critical patent/JPS57206521A/ja
Publication of JPS638853B2 publication Critical patent/JPS638853B2/ja
Granted 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
JP8971681A 1981-06-12 1981-06-12 Pipe forming device Granted JPS57206521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8971681A JPS57206521A (en) 1981-06-12 1981-06-12 Pipe forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8971681A JPS57206521A (en) 1981-06-12 1981-06-12 Pipe forming device

Publications (2)

Publication Number Publication Date
JPS57206521A JPS57206521A (en) 1982-12-17
JPS638853B2 true JPS638853B2 (enrdf_load_stackoverflow) 1988-02-24

Family

ID=13978482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8971681A Granted JPS57206521A (en) 1981-06-12 1981-06-12 Pipe forming device

Country Status (1)

Country Link
JP (1) JPS57206521A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUE029134T2 (en) * 2012-04-03 2017-02-28 Thyssenkrupp Steel Europe Ag Apparatus and method for producing at least partially closed profiles or tubular components from sheet metal
CN105605415B (zh) * 2015-09-25 2017-11-21 石家庄安瑞科气体机械有限公司 大容积全缠绕高压储氢容器的加工工艺
CN108435970B (zh) * 2018-05-24 2019-08-27 龙元明筑科技有限责任公司 一种建筑施工用钢筋弯折设备

Also Published As

Publication number Publication date
JPS57206521A (en) 1982-12-17

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