JPS5372771A - Manufacturing method of coupling of seamless reducing pipe - Google Patents

Manufacturing method of coupling of seamless reducing pipe

Info

Publication number
JPS5372771A
JPS5372771A JP14924476A JP14924476A JPS5372771A JP S5372771 A JPS5372771 A JP S5372771A JP 14924476 A JP14924476 A JP 14924476A JP 14924476 A JP14924476 A JP 14924476A JP S5372771 A JPS5372771 A JP S5372771A
Authority
JP
Japan
Prior art keywords
seamless
coupling
manufacturing
reducing pipe
reducing
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
JP14924476A
Other languages
English (en)
Inventor
Hideo Ebihara
Kiyouji Nakao
Mitsuhiko Sogabe
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.)
Nippon Steel Corp
Benkan Kikoh Corp
Original Assignee
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 Sumitomo Metal Industries Ltd, Sumikin Kikoh Co Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP14924476A priority Critical patent/JPS5372771A/ja
Publication of JPS5372771A publication Critical patent/JPS5372771A/ja
Pending legal-status Critical Current

Links

JP14924476A 1976-12-10 1976-12-10 Manufacturing method of coupling of seamless reducing pipe Pending JPS5372771A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14924476A JPS5372771A (en) 1976-12-10 1976-12-10 Manufacturing method of coupling of seamless reducing pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14924476A JPS5372771A (en) 1976-12-10 1976-12-10 Manufacturing method of coupling of seamless reducing pipe

Publications (1)

Publication Number Publication Date
JPS5372771A true JPS5372771A (en) 1978-06-28

Family

ID=15471021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14924476A Pending JPS5372771A (en) 1976-12-10 1976-12-10 Manufacturing method of coupling of seamless reducing pipe

Country Status (1)

Country Link
JP (1) JPS5372771A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5758936A (en) * 1980-09-24 1982-04-09 Sumitomo Metal Ind Ltd Manufacture of seamless eccentric reducer tube joint
JPS6417085U (ja) * 1987-07-22 1989-01-27
KR20020084737A (ko) * 2001-05-02 2002-11-11 강병열 스텐레스파이프 연결용 관이음쇠의 제조방법
KR100423360B1 (ko) * 2001-06-28 2004-03-18 유태승 자동차용 냉매 순환관의 단부 연결구 제조 방법
JP2010255649A (ja) * 2009-04-21 2010-11-11 Nippon Kyohan Kogyo Co Ltd 伸縮継手およびその製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5084441A (ja) * 1973-11-30 1975-07-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5084441A (ja) * 1973-11-30 1975-07-08

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5758936A (en) * 1980-09-24 1982-04-09 Sumitomo Metal Ind Ltd Manufacture of seamless eccentric reducer tube joint
JPS6417085U (ja) * 1987-07-22 1989-01-27
KR20020084737A (ko) * 2001-05-02 2002-11-11 강병열 스텐레스파이프 연결용 관이음쇠의 제조방법
KR100423360B1 (ko) * 2001-06-28 2004-03-18 유태승 자동차용 냉매 순환관의 단부 연결구 제조 방법
JP2010255649A (ja) * 2009-04-21 2010-11-11 Nippon Kyohan Kogyo Co Ltd 伸縮継手およびその製造方法

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