JPH037448B2 - - Google Patents

Info

Publication number
JPH037448B2
JPH037448B2 JP7787383A JP7787383A JPH037448B2 JP H037448 B2 JPH037448 B2 JP H037448B2 JP 7787383 A JP7787383 A JP 7787383A JP 7787383 A JP7787383 A JP 7787383A JP H037448 B2 JPH037448 B2 JP H037448B2
Authority
JP
Japan
Prior art keywords
tube
diameter
outer tube
inner tube
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.)
Expired
Application number
JP7787383A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59202117A (ja
Inventor
Toshiaki Tsujino
Shigesumi Matsui
Fusaji Abe
Keiji Minami
Michihiko Terasaka
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 JP7787383A priority Critical patent/JPS59202117A/ja
Publication of JPS59202117A publication Critical patent/JPS59202117A/ja
Publication of JPH037448B2 publication Critical patent/JPH037448B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/09—Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)
JP7787383A 1983-05-02 1983-05-02 二重管の製造方法 Granted JPS59202117A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7787383A JPS59202117A (ja) 1983-05-02 1983-05-02 二重管の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7787383A JPS59202117A (ja) 1983-05-02 1983-05-02 二重管の製造方法

Publications (2)

Publication Number Publication Date
JPS59202117A JPS59202117A (ja) 1984-11-15
JPH037448B2 true JPH037448B2 (en]) 1991-02-01

Family

ID=13646173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7787383A Granted JPS59202117A (ja) 1983-05-02 1983-05-02 二重管の製造方法

Country Status (1)

Country Link
JP (1) JPS59202117A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6137318A (ja) * 1984-07-30 1986-02-22 Nippon Steel Corp 二重管の製造方法
WO2004002673A1 (en) * 2001-06-29 2004-01-08 Mccrink Edward J Seam-welded air hardenable steel tubing
EP2845658A1 (de) * 2013-09-06 2015-03-11 Nexans Verfahren zur Herstellung mehrwandiger metallischer Rohre
JP6697959B2 (ja) 2016-06-15 2020-05-27 オリンパス株式会社 接合方法

Also Published As

Publication number Publication date
JPS59202117A (ja) 1984-11-15

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