IT1142117B - METHOD FOR THE MANUFACTURE OF STEEL PIPES WITHOUT WELDING - Google Patents

METHOD FOR THE MANUFACTURE OF STEEL PIPES WITHOUT WELDING

Info

Publication number
IT1142117B
IT1142117B IT25652/81A IT2565281A IT1142117B IT 1142117 B IT1142117 B IT 1142117B IT 25652/81 A IT25652/81 A IT 25652/81A IT 2565281 A IT2565281 A IT 2565281A IT 1142117 B IT1142117 B IT 1142117B
Authority
IT
Italy
Prior art keywords
welding
manufacture
steel pipes
pipes
steel
Prior art date
Application number
IT25652/81A
Other languages
Italian (it)
Other versions
IT8125652A0 (en
Inventor
Numano Masachika
Mihara Yutaka
Akita Shinji
Original Assignee
Nippon Kokan Kk
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
Priority claimed from JP17881580A external-priority patent/JPS6035206B2/en
Priority claimed from JP627981A external-priority patent/JPS57121811A/en
Application filed by Nippon Kokan Kk filed Critical Nippon Kokan Kk
Publication of IT8125652A0 publication Critical patent/IT8125652A0/en
Application granted granted Critical
Publication of IT1142117B publication Critical patent/IT1142117B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
IT25652/81A 1980-12-19 1981-12-17 METHOD FOR THE MANUFACTURE OF STEEL PIPES WITHOUT WELDING IT1142117B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17881580A JPS6035206B2 (en) 1980-12-19 1980-12-19 Seamless steel pipe manufacturing method
JP627981A JPS57121811A (en) 1981-01-21 1981-01-21 Rolling method for seamless steel pipe

Publications (2)

Publication Number Publication Date
IT8125652A0 IT8125652A0 (en) 1981-12-17
IT1142117B true IT1142117B (en) 1986-10-08

Family

ID=26340378

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25652/81A IT1142117B (en) 1980-12-19 1981-12-17 METHOD FOR THE MANUFACTURE OF STEEL PIPES WITHOUT WELDING

Country Status (5)

Country Link
CA (1) CA1179170A (en)
DE (1) DE3149646A1 (en)
FR (1) FR2496505B1 (en)
GB (1) GB2089702B (en)
IT (1) IT1142117B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3236892A1 (en) * 1982-10-01 1984-04-05 Mannesmann AG, 4000 Düsseldorf ROLLING MILL FOR THE PRODUCTION OF THIN-WALLED SEAMLESS TUBES
CA1247885A (en) * 1983-08-02 1989-01-03 Dezsoe A. Pozsgay Seamless tube mill
DE3536046A1 (en) * 1985-10-09 1987-04-16 Kocks Technik METHOD, SYSTEM AND ROLLING MILL FOR THE PRODUCTION OF SEAMLESS TUBES
JP2924523B2 (en) * 1992-12-11 1999-07-26 住友金属工業株式会社 Elongation rolling method of metal tube by mandrel mill
US5799726A (en) * 1996-01-23 1998-09-01 Frank; Jimmy I. Refrigerated mixing chamber and method for making same
CN102802824A (en) * 2010-01-05 2012-11-28 斯姆丝因斯股份公司 Tube rolling plant

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037449A (en) * 1976-07-30 1977-07-26 Aetna-Standard Engineering Company Continuous flow plug mill system
GB1575859A (en) * 1977-04-18 1980-10-01 Aetna Standard Eng Co Process for the production of seamless tubular products
US4318294A (en) * 1978-12-29 1982-03-09 Nippon Steel Corporation Method of manufacturing seamless metal pipes and tubes

Also Published As

Publication number Publication date
DE3149646C2 (en) 1987-07-23
FR2496505A1 (en) 1982-06-25
DE3149646A1 (en) 1982-08-12
GB2089702B (en) 1984-08-30
CA1179170A (en) 1984-12-11
FR2496505B1 (en) 1985-07-19
IT8125652A0 (en) 1981-12-17
GB2089702A (en) 1982-06-30

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961227