JPS5439353A - Method of producting metal pipe with groove or projection on inner surface - Google Patents

Method of producting metal pipe with groove or projection on inner surface

Info

Publication number
JPS5439353A
JPS5439353A JP10565677A JP10565677A JPS5439353A JP S5439353 A JPS5439353 A JP S5439353A JP 10565677 A JP10565677 A JP 10565677A JP 10565677 A JP10565677 A JP 10565677A JP S5439353 A JPS5439353 A JP S5439353A
Authority
JP
Japan
Prior art keywords
projection
groove
producting
metal pipe
pipe
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
JP10565677A
Other languages
Japanese (ja)
Inventor
Aritaka Tatsumi
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 Cable Ltd
Original Assignee
Hitachi Cable 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 Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP10565677A priority Critical patent/JPS5439353A/en
Publication of JPS5439353A publication Critical patent/JPS5439353A/en
Pending legal-status Critical Current

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  • Metal Extraction Processes (AREA)

Abstract

PURPOSE: To produce a long-sized pipe with a line groove or projection on the inner surface with a rotating planetary roll outside thereof pressed against a plug fixed inside thereof utilizing an electromagnetic force while given an axial feed to the pipe.
COPYRIGHT: (C)1979,JPO&Japio
JP10565677A 1977-09-02 1977-09-02 Method of producting metal pipe with groove or projection on inner surface Pending JPS5439353A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10565677A JPS5439353A (en) 1977-09-02 1977-09-02 Method of producting metal pipe with groove or projection on inner surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10565677A JPS5439353A (en) 1977-09-02 1977-09-02 Method of producting metal pipe with groove or projection on inner surface

Publications (1)

Publication Number Publication Date
JPS5439353A true JPS5439353A (en) 1979-03-26

Family

ID=14413476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10565677A Pending JPS5439353A (en) 1977-09-02 1977-09-02 Method of producting metal pipe with groove or projection on inner surface

Country Status (1)

Country Link
JP (1) JPS5439353A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645229A (en) * 1979-09-18 1981-04-24 Kuniyoshi Nakamura Forming method for taper pipe provided with plural longitudinal groove at inner surface of pipe end
JPS5645230A (en) * 1979-09-18 1981-04-24 Kuniyoshi Nakamura Forming method for taper pipe provided with spiral groove at inner surface of pipe end
JPS604797A (en) * 1983-06-21 1985-01-11 Kobe Steel Ltd Heat transfer tube equipped with groove on inner surface thereof and manufacture thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645229A (en) * 1979-09-18 1981-04-24 Kuniyoshi Nakamura Forming method for taper pipe provided with plural longitudinal groove at inner surface of pipe end
JPS5645230A (en) * 1979-09-18 1981-04-24 Kuniyoshi Nakamura Forming method for taper pipe provided with spiral groove at inner surface of pipe end
JPS638859B2 (en) * 1979-09-18 1988-02-24 Kunyoshi Nakamura
JPS604797A (en) * 1983-06-21 1985-01-11 Kobe Steel Ltd Heat transfer tube equipped with groove on inner surface thereof and manufacture thereof

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