DE3164540D1 - Press-rolling process for producing a metal tubular product - Google Patents

Press-rolling process for producing a metal tubular product

Info

Publication number
DE3164540D1
DE3164540D1 DE8181301743T DE3164540T DE3164540D1 DE 3164540 D1 DE3164540 D1 DE 3164540D1 DE 8181301743 T DE8181301743 T DE 8181301743T DE 3164540 T DE3164540 T DE 3164540T DE 3164540 D1 DE3164540 D1 DE 3164540D1
Authority
DE
Germany
Prior art keywords
press
producing
rolling process
tubular product
metal tubular
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
DE8181301743T
Other languages
English (en)
Inventor
Shigeru Uchida
Kazuo Watanage
Kousaku Ozawa
Minoru Kawaharada
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 Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of DE3164540D1 publication Critical patent/DE3164540D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/08—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
DE8181301743T 1980-04-21 1981-04-21 Press-rolling process for producing a metal tubular product Expired DE3164540D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55051778A JPS5849327B2 (ja) 1980-04-21 1980-04-21 管圧延法

Publications (1)

Publication Number Publication Date
DE3164540D1 true DE3164540D1 (en) 1984-08-09

Family

ID=12896405

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181301743T Expired DE3164540D1 (en) 1980-04-21 1981-04-21 Press-rolling process for producing a metal tubular product

Country Status (5)

Country Link
US (1) US4455849A (de)
EP (1) EP0038702B1 (de)
JP (1) JPS5849327B2 (de)
CA (1) CA1190774A (de)
DE (1) DE3164540D1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791924A (en) * 1951-08-25 1957-05-14 Babcock & Wilcox Co Rotary piercing processes
DE1302427B (de) * 1963-07-04 1972-05-04 Calmes, Jean-Paul, Mont-sur-Lausanne (Schweiz) Verfahren zur Herstellung eines zylindrischen Hohlkörpers durch Preßlochwalzen
US3818733A (en) * 1972-07-17 1974-06-25 Babcock & Wilcox Co Piercing process
US4006618A (en) * 1974-07-23 1977-02-08 Samon Yanagimoto Method of producing seamless steel tube

Also Published As

Publication number Publication date
EP0038702B1 (de) 1984-07-04
CA1190774A (en) 1985-07-23
JPS56148406A (en) 1981-11-17
EP0038702A1 (de) 1981-10-28
US4455849A (en) 1984-06-26
JPS5849327B2 (ja) 1983-11-04

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: KADOR, U., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee