JPH0438912Y2 - - Google Patents

Info

Publication number
JPH0438912Y2
JPH0438912Y2 JP1985066043U JP6604385U JPH0438912Y2 JP H0438912 Y2 JPH0438912 Y2 JP H0438912Y2 JP 1985066043 U JP1985066043 U JP 1985066043U JP 6604385 U JP6604385 U JP 6604385U JP H0438912 Y2 JPH0438912 Y2 JP H0438912Y2
Authority
JP
Japan
Prior art keywords
cone
segment
steel pipe
shaped groove
sliding
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
JP1985066043U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61182624U (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 JP1985066043U priority Critical patent/JPH0438912Y2/ja
Publication of JPS61182624U publication Critical patent/JPS61182624U/ja
Application granted granted Critical
Publication of JPH0438912Y2 publication Critical patent/JPH0438912Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Lining And Supports For Tunnels (AREA)
JP1985066043U 1985-05-02 1985-05-02 Expired JPH0438912Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985066043U JPH0438912Y2 (en]) 1985-05-02 1985-05-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985066043U JPH0438912Y2 (en]) 1985-05-02 1985-05-02

Publications (2)

Publication Number Publication Date
JPS61182624U JPS61182624U (en]) 1986-11-14
JPH0438912Y2 true JPH0438912Y2 (en]) 1992-09-11

Family

ID=30598580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985066043U Expired JPH0438912Y2 (en]) 1985-05-02 1985-05-02

Country Status (1)

Country Link
JP (1) JPH0438912Y2 (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107729A (ja) * 1982-12-14 1984-06-22 Nippon Steel Corp 鋼管拡管機におけるセグメント

Also Published As

Publication number Publication date
JPS61182624U (en]) 1986-11-14

Similar Documents

Publication Publication Date Title
US4418556A (en) Precision local expansion shaping process and apparatus for metal tubes of substantial length
US3668918A (en) Method for manufacturing shafts for vehicles
JP3419195B2 (ja) バルジ加工方法および装置
US20070199190A1 (en) Method and apparatus for cold joining flanges and couplings elements to pipes
CA1148795A (en) Method of producing a corrugated, multi-ply metal bellows
JP3253540B2 (ja) 角形管体用の中子装置
JP2817620B2 (ja) メカニカル拡管機ヘッド
US1946472A (en) Means for corrugating tubing
JPH0438912Y2 (en])
US20020043089A1 (en) Method of and apparatus for making a pipe of different wall thickness
US4373365A (en) Up-set shrinker for producing thick wall steel pipe
CN1042673A (zh) 大口径钢管管端矫正方法及装置
US1834128A (en) Method and apparatus for improving the texture of hollow metal bodies
RU2446905C2 (ru) Пуансон для высадки концов труб
US3110341A (en) Method and apparatus for making elbows by forcing tubular stock through a die
US1326225A (en) Cup fob roller-bearings and process of making same
US4428222A (en) Cold forging mandrel with threads
JPH09314244A (ja) テーパ金属管の製造方法及び装置
CN219401705U (zh) 一种冷拔机内模
US867333A (en) Pipe-flanging machine.
RU2801171C1 (ru) Способ и устройство для волочения труб, преимущественно сварных, на плавающей оправке
RU205058U1 (ru) Универсальная труборасширительная головка для правки концов труб
US4114431A (en) Method of forming tubular metal products
JPH07314017A (ja) 対称的な形状の形鋼のフランジ端部のすえ込み加工用の一対のすえ込みローラー
US1753747A (en) Manufacture and repair of centrifugal molds