FR2080943B1 - - Google Patents

Info

Publication number
FR2080943B1
FR2080943B1 FR717103514A FR7103514A FR2080943B1 FR 2080943 B1 FR2080943 B1 FR 2080943B1 FR 717103514 A FR717103514 A FR 717103514A FR 7103514 A FR7103514 A FR 7103514A FR 2080943 B1 FR2080943 B1 FR 2080943B1
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
FR717103514A
Other versions
FR2080943A1 (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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 DE19702005029 external-priority patent/DE2005029C/de
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of FR2080943A1 publication Critical patent/FR2080943A1/fr
Application granted granted Critical
Publication of FR2080943B1 publication Critical patent/FR2080943B1/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
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • B21B25/06—Interchanging mandrels, fixing plugs on mandrel rods or cooling during interchanging mandrels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Metal Rolling (AREA)
FR717103514A 1970-01-30 1971-01-27 Expired FR2080943B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702005029 DE2005029C (de) 1970-01-30 Verfahren zum Handhaben eines durch Schrägwalzen eines Massiv oder Hohl blockes erhaltenen gelochten und/oder gestreckten Hohlkörpers

Publications (2)

Publication Number Publication Date
FR2080943A1 FR2080943A1 (fr) 1971-11-26
FR2080943B1 true FR2080943B1 (fr) 1974-02-15

Family

ID=5761405

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717103514A Expired FR2080943B1 (fr) 1970-01-30 1971-01-27

Country Status (4)

Country Link
US (1) US3717018A (fr)
FR (1) FR2080943B1 (fr)
GB (1) GB1329895A (fr)
SE (1) SE381829B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1086314B (it) * 1977-09-19 1985-05-28 Innocenti Santeustacchio Spa Gabbia di sostegno e guida del mandrino in laminatoi continui a mandrino trattenuto
FR2418037A1 (fr) * 1978-02-23 1979-09-21 Vallourec Procede et dispositif de laminage
IT1151443B (it) * 1982-06-03 1986-12-17 Innocenti Santeustacchio Spa Apparecchiatura per il sostegno della stanga portapunta di una macchina di perforazione assiale a caldo di billette,lingotti e simili
IT1153201B (it) * 1982-10-04 1987-01-14 Innocenti Santeustacchio Spa Metodo e relativa apparecchiatura per la ricircolazione dei mandrini in un laminatoio operante a mandrino trattenuto, per la produzione di tubi senza saldatura
DE3333390A1 (de) * 1983-09-13 1985-03-21 Mannesmann AG, 4000 Düsseldorf Vorrichtung zum zu- und abfuehren der dornstangen an schraeg- und laengswalzwerken
EP0698426A1 (fr) * 1994-08-18 1996-02-28 MANNESMANN Aktiengesellschaft Changeur de poinçon pour laminoirs perceurs
GB0008286D0 (en) 2000-04-04 2000-05-24 Applied Materials Inc A vaporiser for generating feed gas for an arc chamber
DE50108219D1 (de) * 2000-06-14 2006-01-05 Sms Demag Ag Verfahren zum Walzen von Rohrluppen in einem Planetenschrägwalzwerk

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE440647C (fr) *
US1453203A (en) * 1923-04-24 Tube-kolling mill
US742200A (en) * 1901-12-26 1903-10-27 George H Blaxter Apparatus for manufacturing seamless tubing.
US1919637A (en) * 1930-09-23 1933-07-25 Jones & Laughlin Steel Corp Tube manufacture
US1986833A (en) * 1931-02-04 1935-01-08 Carl W Littler Manufacture of tubes by the push bench process
US1946933A (en) * 1932-03-31 1934-02-13 Diescher Tube Mills Inc Tube-making apparatus
US2024514A (en) * 1933-03-25 1935-12-17 Diescher Tube Mills Inc Method and apparatus for making tubes
SU144133A1 (ru) * 1961-07-12 1961-11-30 шина Л.А. Андри Четырехроликовый центрователь прошивных и обкатных станов трубопрокатного агрегата
US3348399A (en) * 1964-08-04 1967-10-24 Mckay Machine Co Methods of and apparatus for forming tubular members

Also Published As

Publication number Publication date
DE2005029A1 (de) 1971-08-12
GB1329895A (en) 1973-09-12
FR2080943A1 (fr) 1971-11-26
US3717018A (en) 1973-02-20
DE2005029B2 (de) 1973-02-08
SE381829B (sv) 1975-12-22

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Legal Events

Date Code Title Description
ST Notification of lapse