JPS54120274A - Manufacture of pipe expander - Google Patents

Manufacture of pipe expander

Info

Publication number
JPS54120274A
JPS54120274A JP2775078A JP2775078A JPS54120274A JP S54120274 A JPS54120274 A JP S54120274A JP 2775078 A JP2775078 A JP 2775078A JP 2775078 A JP2775078 A JP 2775078A JP S54120274 A JPS54120274 A JP S54120274A
Authority
JP
Japan
Prior art keywords
elastic body
mold
leading
pressure fluid
metal
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
JP2775078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5646452B2 (en, 2012
Inventor
Shinobu Watanabe
Atsushi Sato
Takemi Yamamoto
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 JP2775078A priority Critical patent/JPS54120274A/ja
Publication of JPS54120274A publication Critical patent/JPS54120274A/ja
Publication of JPS5646452B2 publication Critical patent/JPS5646452B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)
JP2775078A 1978-03-13 1978-03-13 Manufacture of pipe expander Granted JPS54120274A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2775078A JPS54120274A (en) 1978-03-13 1978-03-13 Manufacture of pipe expander

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2775078A JPS54120274A (en) 1978-03-13 1978-03-13 Manufacture of pipe expander

Publications (2)

Publication Number Publication Date
JPS54120274A true JPS54120274A (en) 1979-09-18
JPS5646452B2 JPS5646452B2 (en, 2012) 1981-11-04

Family

ID=12229695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2775078A Granted JPS54120274A (en) 1978-03-13 1978-03-13 Manufacture of pipe expander

Country Status (1)

Country Link
JP (1) JPS54120274A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0298061U (en, 2012) * 1989-01-23 1990-08-03
CN104690173B (zh) * 2014-11-28 2017-12-22 江苏大学 一种阀体内外筒无铆连接装置

Also Published As

Publication number Publication date
JPS5646452B2 (en, 2012) 1981-11-04

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