JPS5522462A - Correcting method of pipe end to true circle - Google Patents

Correcting method of pipe end to true circle

Info

Publication number
JPS5522462A
JPS5522462A JP9546878A JP9546878A JPS5522462A JP S5522462 A JPS5522462 A JP S5522462A JP 9546878 A JP9546878 A JP 9546878A JP 9546878 A JP9546878 A JP 9546878A JP S5522462 A JPS5522462 A JP S5522462A
Authority
JP
Japan
Prior art keywords
pipe
true circle
pressure
cylinder
pipe end
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
JP9546878A
Other languages
English (en)
Other versions
JPS6045013B2 (ja
Inventor
Hideaki Kanbara
Yuji Yoshitomi
Koichi Koyama
Yasukata Tamai
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP53095468A priority Critical patent/JPS6045013B2/ja
Priority to US06/063,449 priority patent/US4262517A/en
Publication of JPS5522462A publication Critical patent/JPS5522462A/ja
Publication of JPS6045013B2 publication Critical patent/JPS6045013B2/ja
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
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/06—Removing local distortions
    • B21D1/08—Removing local distortions of hollow bodies made from sheet metal
    • 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
    • B21D22/10—Stamping using yieldable or resilient pads
    • B21D22/105—Stamping using yieldable or resilient pads of tubular products

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Heat Treatment Of Articles (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
JP53095468A 1978-08-07 1978-08-07 管端部の真円矯正方法 Expired JPS6045013B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP53095468A JPS6045013B2 (ja) 1978-08-07 1978-08-07 管端部の真円矯正方法
US06/063,449 US4262517A (en) 1978-08-07 1979-08-03 Method of correcting distorted pipe end

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53095468A JPS6045013B2 (ja) 1978-08-07 1978-08-07 管端部の真円矯正方法

Publications (2)

Publication Number Publication Date
JPS5522462A true JPS5522462A (en) 1980-02-18
JPS6045013B2 JPS6045013B2 (ja) 1985-10-07

Family

ID=14138473

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53095468A Expired JPS6045013B2 (ja) 1978-08-07 1978-08-07 管端部の真円矯正方法

Country Status (2)

Country Link
US (1) US4262517A (ja)
JP (1) JPS6045013B2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561274A (en) * 1983-11-16 1985-12-31 Jidosha Kiki Co., Ltd. Method of and apparatus for forging hollow blank member
CN104001760A (zh) * 2013-02-21 2014-08-27 中国石油化工股份有限公司 一种膨胀波纹管端头整形装置及方法
CN107377688A (zh) * 2017-08-11 2017-11-24 长治清华机械厂 大直径厚壁铝筒的校圆装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6214844A (ja) * 1985-07-11 1987-01-23 旭光学工業株式会社 レ−ザフアイバの接続装置
JPS6257544A (ja) * 1985-09-04 1987-03-13 オリンパス光学工業株式会社 医療用レ−ザ装置
DE4201819A1 (de) * 1991-01-28 1992-07-30 Mannesmann Ag Verfahren und vorrichtung zum hydraulischen aufweiten von rohrfoermigen hohlprofilen
US9174877B2 (en) * 2010-11-11 2015-11-03 Tosoh Corporation Colored translucent zirconia sintered body, its production process and its use
JP5927008B2 (ja) 2011-04-08 2016-05-25 新日鉄住金エンジニアリング株式会社 管材矯正装置および管材矯正方法
JP2017080798A (ja) * 2015-10-30 2017-05-18 株式会社横山基礎工事 鋼管の矯正方法、鋼管の接合方法、形状保持器具

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3016856A (en) * 1958-12-29 1962-01-16 Crutcher Rolfs Cummings Inc Pipe alignment clamp
US3362603A (en) * 1964-09-14 1968-01-09 Bauer & Associates Inc Internal alignment clamp
GB1225775A (ja) * 1967-06-02 1971-03-24
GB1204736A (en) * 1968-05-14 1970-09-09 Leer U K Ltd Van Method of and apparatus for reducing asymmetrical stresses in a generally cylindrical sheet metal side wall of a container of such a side wall
JPS5347094A (en) * 1976-10-12 1978-04-27 Sumitomo Electric Ind Ltd Device for grinding the outer periphery of throwaway chip

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561274A (en) * 1983-11-16 1985-12-31 Jidosha Kiki Co., Ltd. Method of and apparatus for forging hollow blank member
CN104001760A (zh) * 2013-02-21 2014-08-27 中国石油化工股份有限公司 一种膨胀波纹管端头整形装置及方法
CN107377688A (zh) * 2017-08-11 2017-11-24 长治清华机械厂 大直径厚壁铝筒的校圆装置

Also Published As

Publication number Publication date
US4262517A (en) 1981-04-21
JPS6045013B2 (ja) 1985-10-07

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