JPS623683B2 - - Google Patents

Info

Publication number
JPS623683B2
JPS623683B2 JP18916082A JP18916082A JPS623683B2 JP S623683 B2 JPS623683 B2 JP S623683B2 JP 18916082 A JP18916082 A JP 18916082A JP 18916082 A JP18916082 A JP 18916082A JP S623683 B2 JPS623683 B2 JP S623683B2
Authority
JP
Japan
Prior art keywords
pipe
tube
double
spreading
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
JP18916082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5978715A (ja
Inventor
Toshio Yoshida
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP18916082A priority Critical patent/JPS5978715A/ja
Publication of JPS5978715A publication Critical patent/JPS5978715A/ja
Publication of JPS623683B2 publication Critical patent/JPS623683B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding In General (AREA)
JP18916082A 1982-10-29 1982-10-29 二重管製造方法 Granted JPS5978715A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18916082A JPS5978715A (ja) 1982-10-29 1982-10-29 二重管製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18916082A JPS5978715A (ja) 1982-10-29 1982-10-29 二重管製造方法

Publications (2)

Publication Number Publication Date
JPS5978715A JPS5978715A (ja) 1984-05-07
JPS623683B2 true JPS623683B2 (cs) 1987-01-26

Family

ID=16236453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18916082A Granted JPS5978715A (ja) 1982-10-29 1982-10-29 二重管製造方法

Country Status (1)

Country Link
JP (1) JPS5978715A (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0724857B2 (ja) * 1986-03-12 1995-03-22 住友軽金属工業株式会社 同芯異径二重管の製造方法
JP4687931B2 (ja) * 2000-04-10 2011-05-25 サンレイ工機株式会社 複合管の製造設備
KR102005168B1 (ko) * 2015-03-06 2019-10-17 아이젠바우 크레이머 게엠베하 다층 헤비-듀티 파이프 제조 동안 클래딩 층을 도포하기 위한 방법 및 코팅 장치
DE102020110931A1 (de) 2020-04-22 2021-10-28 EISENBAU KRäMER GMBH Anrollvorrichtung zum Aufbringen einer Auflageschicht auf der Innenseite eines Großrohrs

Also Published As

Publication number Publication date
JPS5978715A (ja) 1984-05-07

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