JPS62199232U - - Google Patents

Info

Publication number
JPS62199232U
JPS62199232U JP8605886U JP8605886U JPS62199232U JP S62199232 U JPS62199232 U JP S62199232U JP 8605886 U JP8605886 U JP 8605886U JP 8605886 U JP8605886 U JP 8605886U JP S62199232 U JPS62199232 U JP S62199232U
Authority
JP
Japan
Prior art keywords
steel pipe
axial direction
circumferential surface
inner circumferential
thickness
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.)
Pending
Application number
JP8605886U
Other languages
English (en)
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 filed Critical
Priority to JP8605886U priority Critical patent/JPS62199232U/ja
Publication of JPS62199232U publication Critical patent/JPS62199232U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Forging (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例に係る増肉装置の正
面断面図、第2図は増肉装置により鋼管の内周面
を内方に向けて増肉する状態を示す正面断面図、
第3図は第2図の―線に沿う断面図、第4図
は第2図の―線に沿う断面図、第5図は増肉
された鋼管の断面図、第6図は増肉された他の鋼
管を示す断面図である。 10……増肉装置、13……鋼管、14……加
熱バーナー、24……管央部内周面、28……プ
レスラム〔圧縮装置〕、31……増肉部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 鋼管の管軸方向の所定位置の肉厚を増加可能と
    する増肉装置において、鋼管の管軸方向の管央部
    内周面を加熱するバーナーと、鋼管を管軸方向に
    圧縮する圧縮装置とを備え、管央部内周面が加熱
    された状態で圧縮状態により鋼管を圧縮し、管央
    部内周面を内方に向けて増肉可能とすることを特
    徴とする増肉装置。
JP8605886U 1986-06-07 1986-06-07 Pending JPS62199232U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8605886U JPS62199232U (ja) 1986-06-07 1986-06-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8605886U JPS62199232U (ja) 1986-06-07 1986-06-07

Publications (1)

Publication Number Publication Date
JPS62199232U true JPS62199232U (ja) 1987-12-18

Family

ID=30942021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8605886U Pending JPS62199232U (ja) 1986-06-07 1986-06-07

Country Status (1)

Country Link
JP (1) JPS62199232U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010214406A (ja) * 2009-03-16 2010-09-30 Tokyo Metropolitan Univ 管加工装置及び管加工方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010214406A (ja) * 2009-03-16 2010-09-30 Tokyo Metropolitan Univ 管加工装置及び管加工方法

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