JPS5261158A - Method of forming numeroud fine grooves on inside of pipe - Google Patents

Method of forming numeroud fine grooves on inside of pipe

Info

Publication number
JPS5261158A
JPS5261158A JP13717475A JP13717475A JPS5261158A JP S5261158 A JPS5261158 A JP S5261158A JP 13717475 A JP13717475 A JP 13717475A JP 13717475 A JP13717475 A JP 13717475A JP S5261158 A JPS5261158 A JP S5261158A
Authority
JP
Japan
Prior art keywords
numeroud
pipe
forming
fine grooves
grooves
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
JP13717475A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5317545B2 (show.php
Inventor
Izumi Ochiai
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 JP13717475A priority Critical patent/JPS5261158A/ja
Publication of JPS5261158A publication Critical patent/JPS5261158A/ja
Publication of JPS5317545B2 publication Critical patent/JPS5317545B2/ja
Granted legal-status Critical Current

Links

JP13717475A 1975-11-17 1975-11-17 Method of forming numeroud fine grooves on inside of pipe Granted JPS5261158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13717475A JPS5261158A (en) 1975-11-17 1975-11-17 Method of forming numeroud fine grooves on inside of pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13717475A JPS5261158A (en) 1975-11-17 1975-11-17 Method of forming numeroud fine grooves on inside of pipe

Publications (2)

Publication Number Publication Date
JPS5261158A true JPS5261158A (en) 1977-05-20
JPS5317545B2 JPS5317545B2 (show.php) 1978-06-09

Family

ID=15192534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13717475A Granted JPS5261158A (en) 1975-11-17 1975-11-17 Method of forming numeroud fine grooves on inside of pipe

Country Status (1)

Country Link
JP (1) JPS5261158A (show.php)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58116936A (ja) * 1982-10-18 1983-07-12 Hitachi Ltd 熱交換パイプの内面溝加工方法
JPS58202920A (ja) * 1982-05-19 1983-11-26 Toyo Radiator Kk 管の内面における条溝加工装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58202920A (ja) * 1982-05-19 1983-11-26 Toyo Radiator Kk 管の内面における条溝加工装置
JPS58116936A (ja) * 1982-10-18 1983-07-12 Hitachi Ltd 熱交換パイプの内面溝加工方法

Also Published As

Publication number Publication date
JPS5317545B2 (show.php) 1978-06-09

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