FR2463646B1 - - Google Patents

Info

Publication number
FR2463646B1
FR2463646B1 FR8018443A FR8018443A FR2463646B1 FR 2463646 B1 FR2463646 B1 FR 2463646B1 FR 8018443 A FR8018443 A FR 8018443A FR 8018443 A FR8018443 A FR 8018443A FR 2463646 B1 FR2463646 B1 FR 2463646B1
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
FR8018443A
Other languages
French (fr)
Other versions
FR2463646A1 (en
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
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of FR2463646A1 publication Critical patent/FR2463646A1/en
Application granted granted Critical
Publication of FR2463646B1 publication Critical patent/FR2463646B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
    • B21B21/04—Pilgrim-step feeding mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
    • B21B21/005—Pilgrim-step tube-rolling, i.e. pilger mills with reciprocating stand, e.g. driving the stand

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Control Of Metal Rolling (AREA)
FR8018443A 1979-08-23 1980-08-25 Cold pilger rolling of tubes, esp. steel tubes - to achieve max. output of tube with accurate dimensions for mfg. ball bearing races Granted FR2463646A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792934391 DE2934391C2 (en) 1979-08-23 1979-08-23 Process for cold rolling pipes

Publications (2)

Publication Number Publication Date
FR2463646A1 FR2463646A1 (en) 1981-02-27
FR2463646B1 true FR2463646B1 (en) 1985-02-01

Family

ID=6079268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018443A Granted FR2463646A1 (en) 1979-08-23 1980-08-25 Cold pilger rolling of tubes, esp. steel tubes - to achieve max. output of tube with accurate dimensions for mfg. ball bearing races

Country Status (3)

Country Link
AT (1) AT371028B (en)
DE (1) DE2934391C2 (en)
FR (1) FR2463646A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3227082C2 (en) * 1982-07-16 1986-12-04 Mannesmann AG, 4000 Düsseldorf Method and device for cold rolling pipes using the pilgrim step method
FR2530503A1 (en) * 1982-07-21 1984-01-27 Vallourec METHOD FOR COLD ROLLED TUBES USING A PELOTE ROLLING MILL AND DEVICE FOR CARRYING OUT THE METHOD
DE3708943C1 (en) * 1987-03-18 1987-12-03 Mannesmann Ag Process as well as rotary and feed drive for carrying out the process for rolling pipes or bars according to a pilgrim step process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1939914C3 (en) * 1969-08-01 1973-11-15 Mannesmann-Meer Ag, 4050 Moenchengladbach Device for controlling the hydraulic twist and feed drive for pilger mills, especially for cold pilger mills
DE2329526A1 (en) * 1973-06-07 1975-03-13 Mannesmann Meer Ag COLD PILGRIM ROLLING MILL FOR PIPE ROLLING
DE2528850C3 (en) * 1975-06-27 1979-09-20 Oskar Aleksandrovitsch Pljazkovskij Pilgrim step mill for pipe cold rolling

Also Published As

Publication number Publication date
FR2463646A1 (en) 1981-02-27
DE2934391A1 (en) 1981-03-26
DE2934391C2 (en) 1986-11-27
ATA428280A (en) 1982-10-15
AT371028B (en) 1983-05-25

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Legal Events

Date Code Title Description
ST Notification of lapse