JPS642448B2 - - Google Patents

Info

Publication number
JPS642448B2
JPS642448B2 JP7408580A JP7408580A JPS642448B2 JP S642448 B2 JPS642448 B2 JP S642448B2 JP 7408580 A JP7408580 A JP 7408580A JP 7408580 A JP7408580 A JP 7408580A JP S642448 B2 JPS642448 B2 JP S642448B2
Authority
JP
Japan
Prior art keywords
tube
metal strip
roll
presser
groove
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.)
Expired
Application number
JP7408580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5717322A (en
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 JP7408580A priority Critical patent/JPS5717322A/ja
Publication of JPS5717322A publication Critical patent/JPS5717322A/ja
Publication of JPS642448B2 publication Critical patent/JPS642448B2/ja
Granted legal-status Critical Current

Links

JP7408580A 1980-06-02 1980-06-02 Production of internally grooved pipe Granted JPS5717322A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7408580A JPS5717322A (en) 1980-06-02 1980-06-02 Production of internally grooved pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7408580A JPS5717322A (en) 1980-06-02 1980-06-02 Production of internally grooved pipe

Publications (2)

Publication Number Publication Date
JPS5717322A JPS5717322A (en) 1982-01-29
JPS642448B2 true JPS642448B2 (enrdf_load_stackoverflow) 1989-01-17

Family

ID=13536974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7408580A Granted JPS5717322A (en) 1980-06-02 1980-06-02 Production of internally grooved pipe

Country Status (1)

Country Link
JP (1) JPS5717322A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59125214A (ja) * 1982-12-29 1984-07-19 Ishikawajima Harima Heavy Ind Co Ltd 管成形法
JPH02108411A (ja) * 1988-10-17 1990-04-20 Sumitomo Light Metal Ind Ltd 熱交換管の製造法および製造装置

Also Published As

Publication number Publication date
JPS5717322A (en) 1982-01-29

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