JPS6230076B2 - - Google Patents

Info

Publication number
JPS6230076B2
JPS6230076B2 JP55050358A JP5035880A JPS6230076B2 JP S6230076 B2 JPS6230076 B2 JP S6230076B2 JP 55050358 A JP55050358 A JP 55050358A JP 5035880 A JP5035880 A JP 5035880A JP S6230076 B2 JPS6230076 B2 JP S6230076B2
Authority
JP
Japan
Prior art keywords
pipe
tube
metal
bead
pipes
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
JP55050358A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56148488A (en
Inventor
Yoshihiro Kusanagi
Takehiko Ito
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 Nisshin Co Ltd
Original Assignee
Nisshin Steel 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 Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP5035880A priority Critical patent/JPS56148488A/ja
Publication of JPS56148488A publication Critical patent/JPS56148488A/ja
Publication of JPS6230076B2 publication Critical patent/JPS6230076B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Butt Welding And Welding Of Specific Article (AREA)
JP5035880A 1980-04-18 1980-04-18 Manufacture of multilayer tube Granted JPS56148488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5035880A JPS56148488A (en) 1980-04-18 1980-04-18 Manufacture of multilayer tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5035880A JPS56148488A (en) 1980-04-18 1980-04-18 Manufacture of multilayer tube

Publications (2)

Publication Number Publication Date
JPS56148488A JPS56148488A (en) 1981-11-17
JPS6230076B2 true JPS6230076B2 (enrdf_load_html_response) 1987-06-30

Family

ID=12856664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5035880A Granted JPS56148488A (en) 1980-04-18 1980-04-18 Manufacture of multilayer tube

Country Status (1)

Country Link
JP (1) JPS56148488A (enrdf_load_html_response)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563158B2 (enrdf_load_html_response) * 1973-05-07 1981-01-23

Also Published As

Publication number Publication date
JPS56148488A (en) 1981-11-17

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