JPS5717323A - Manufacture of inside double group pipe made of metal - Google Patents

Manufacture of inside double group pipe made of metal

Info

Publication number
JPS5717323A
JPS5717323A JP7408680A JP7408680A JPS5717323A JP S5717323 A JPS5717323 A JP S5717323A JP 7408680 A JP7408680 A JP 7408680A JP 7408680 A JP7408680 A JP 7408680A JP S5717323 A JPS5717323 A JP S5717323A
Authority
JP
Japan
Prior art keywords
channels
plate
successively
press roll
press
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
JP7408680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS642449B2 (enExample
Inventor
Tomio Minami
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.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric 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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP7408680A priority Critical patent/JPS5717323A/ja
Publication of JPS5717323A publication Critical patent/JPS5717323A/ja
Publication of JPS642449B2 publication Critical patent/JPS642449B2/ja
Granted legal-status Critical Current

Links

JP7408680A 1980-06-02 1980-06-02 Manufacture of inside double group pipe made of metal Granted JPS5717323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7408680A JPS5717323A (en) 1980-06-02 1980-06-02 Manufacture of inside double group pipe made of metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7408680A JPS5717323A (en) 1980-06-02 1980-06-02 Manufacture of inside double group pipe made of metal

Publications (2)

Publication Number Publication Date
JPS5717323A true JPS5717323A (en) 1982-01-29
JPS642449B2 JPS642449B2 (enExample) 1989-01-17

Family

ID=13537003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7408680A Granted JPS5717323A (en) 1980-06-02 1980-06-02 Manufacture of inside double group pipe made of metal

Country Status (1)

Country Link
JP (1) JPS5717323A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0184878U (enExample) * 1987-11-25 1989-06-06
JPH01245916A (ja) * 1988-03-25 1989-10-02 Sumitomo Metal Ind Ltd 螺旋リブ付き管の製造方法
KR100487606B1 (ko) * 2002-04-20 2005-05-03 (주)경안파이프 치형이 일체로 형성된 파이프 및 그 파이프 제조방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0184878U (enExample) * 1987-11-25 1989-06-06
JPH01245916A (ja) * 1988-03-25 1989-10-02 Sumitomo Metal Ind Ltd 螺旋リブ付き管の製造方法
KR100487606B1 (ko) * 2002-04-20 2005-05-03 (주)경안파이프 치형이 일체로 형성된 파이프 및 그 파이프 제조방법

Also Published As

Publication number Publication date
JPS642449B2 (enExample) 1989-01-17

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