JPS5254663A - Pipe expanding method by inserting plug with direct fluid pressure and apparatus for same - Google Patents

Pipe expanding method by inserting plug with direct fluid pressure and apparatus for same

Info

Publication number
JPS5254663A
JPS5254663A JP13169875A JP13169875A JPS5254663A JP S5254663 A JPS5254663 A JP S5254663A JP 13169875 A JP13169875 A JP 13169875A JP 13169875 A JP13169875 A JP 13169875A JP S5254663 A JPS5254663 A JP S5254663A
Authority
JP
Japan
Prior art keywords
same
fluid pressure
direct fluid
pipe expanding
expanding method
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
JP13169875A
Other languages
Japanese (ja)
Inventor
Isamu Kajimoto
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.)
SUMIKIN KIKOU KK
Nippon Steel Corp
Benkan Kikoh Corp
Original Assignee
SUMIKIN KIKOU KK
Sumitomo Metal Industries Ltd
Sumikin Kikoh Co 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 SUMIKIN KIKOU KK, Sumitomo Metal Industries Ltd, Sumikin Kikoh Co Ltd filed Critical SUMIKIN KIKOU KK
Priority to JP13169875A priority Critical patent/JPS5254663A/en
Publication of JPS5254663A publication Critical patent/JPS5254663A/en
Pending legal-status Critical Current

Links

JP13169875A 1975-10-31 1975-10-31 Pipe expanding method by inserting plug with direct fluid pressure and apparatus for same Pending JPS5254663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13169875A JPS5254663A (en) 1975-10-31 1975-10-31 Pipe expanding method by inserting plug with direct fluid pressure and apparatus for same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13169875A JPS5254663A (en) 1975-10-31 1975-10-31 Pipe expanding method by inserting plug with direct fluid pressure and apparatus for same

Publications (1)

Publication Number Publication Date
JPS5254663A true JPS5254663A (en) 1977-05-04

Family

ID=15064098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13169875A Pending JPS5254663A (en) 1975-10-31 1975-10-31 Pipe expanding method by inserting plug with direct fluid pressure and apparatus for same

Country Status (1)

Country Link
JP (1) JPS5254663A (en)

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