FR2120229A5 - - Google Patents

Info

Publication number
FR2120229A5
FR2120229A5 FR7037621A FR7037621A FR2120229A5 FR 2120229 A5 FR2120229 A5 FR 2120229A5 FR 7037621 A FR7037621 A FR 7037621A FR 7037621 A FR7037621 A FR 7037621A FR 2120229 A5 FR2120229 A5 FR 2120229A5
Authority
FR
France
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
FR7037621A
Other languages
French (fr)
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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
Priority to GB49428/70A priority Critical patent/GB1291744A/en
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to DE19702051260 priority patent/DE2051260A1/de
Priority to FR7037621A priority patent/FR2120229A5/fr
Priority to AU21228/70A priority patent/AU440258B2/en
Priority to US82258A priority patent/US3701272A/en
Application granted granted Critical
Publication of FR2120229A5 publication Critical patent/FR2120229A5/fr
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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Heat Treatment Of Steel (AREA)
FR7037621A 1970-10-17 1970-10-19 Expired FR2120229A5 (OSRAM)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB49428/70A GB1291744A (en) 1970-10-17 1970-10-17 Method of manufacturing seamless steel pipes
DE19702051260 DE2051260A1 (de) 1970-10-17 1970-10-19 Verfahren zur Herstellung nahtloser Stahlrohre
FR7037621A FR2120229A5 (OSRAM) 1970-10-17 1970-10-19
AU21228/70A AU440258B2 (en) 1970-10-17 1970-10-19 Method of manufacturing seamless steel pipes
US82258A US3701272A (en) 1970-10-17 1970-10-20 Method of manufacturing seamless steel pipes

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB49428/70A GB1291744A (en) 1970-10-17 1970-10-17 Method of manufacturing seamless steel pipes
DE19702051260 DE2051260A1 (de) 1970-10-17 1970-10-19 Verfahren zur Herstellung nahtloser Stahlrohre
FR7037621A FR2120229A5 (OSRAM) 1970-10-17 1970-10-19
AU21228/70A AU440258B2 (en) 1970-10-17 1970-10-19 Method of manufacturing seamless steel pipes
US8225870A 1970-10-20 1970-10-20

Publications (1)

Publication Number Publication Date
FR2120229A5 true FR2120229A5 (OSRAM) 1972-08-18

Family

ID=27506668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7037621A Expired FR2120229A5 (OSRAM) 1970-10-17 1970-10-19

Country Status (5)

Country Link
US (1) US3701272A (OSRAM)
AU (1) AU440258B2 (OSRAM)
DE (1) DE2051260A1 (OSRAM)
FR (1) FR2120229A5 (OSRAM)
GB (1) GB1291744A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2362639C1 (ru) * 2007-12-06 2009-07-27 Открытое акционерное общество "Синарский трубный завод" (ОАО "СинТЗ") Способ продольной прокатки труб

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710193C1 (de) * 1987-03-27 1988-05-19 Mannesmann Ag Verfahren zum Herstellen nahtloser Rohre ueber 200 mm Durchmesser und Vorrichtung zur Durchfuehrung des Verfahrens
CN104245167B (zh) * 2012-04-11 2016-03-30 新日铁住金株式会社 用于穿孔机的顶头的再生方法
CN109926451B (zh) * 2019-04-15 2020-07-21 湖南科技大学 一种无缝钢管定径热轧工艺的减径率分配方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US792231A (en) * 1904-04-01 1905-06-13 Nat Tube Co Art of cross-rolling tubular bodies or blanks in a heated state.
US2176155A (en) * 1936-09-03 1939-10-17 Timken Roller Bearing Co Apparatus for elongating and decreasing the wall thickness of tubular blanks
US2264455A (en) * 1939-08-07 1941-12-02 Nat Tube Co Method of producing a thick-walled seamless metallic tube
US2274579A (en) * 1941-05-05 1942-02-24 Nat Tube Co Method of producing seamless tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2362639C1 (ru) * 2007-12-06 2009-07-27 Открытое акционерное общество "Синарский трубный завод" (ОАО "СинТЗ") Способ продольной прокатки труб

Also Published As

Publication number Publication date
DE2051260A1 (de) 1972-04-20
GB1291744A (en) 1972-10-04
AU2122870A (en) 1972-04-20
AU440258B2 (en) 1973-09-06
US3701272A (en) 1972-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse