GB331476A - - Google Patents

Info

Publication number
GB331476A
GB331476A GB1584/30A GB158430A GB331476A GB 331476 A GB331476 A GB 331476A GB 1584/30 A GB1584/30 A GB 1584/30A GB 158430 A GB158430 A GB 158430A GB 331476 A GB331476 A GB 331476A
Authority
GB
United Kingdom
Prior art keywords
mandrel
tube
rolls
working surfaces
circular
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
GB1584/30A
Other languages
English (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
Mannesmannroehren Werke 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 Mannesmannroehren Werke AG filed Critical Mannesmannroehren Werke AG
Publication of GB331476A publication Critical patent/GB331476A/en
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
    • 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
    • B21B19/06—Rolling hollow basic material, e.g. Assel mills
    • B21B19/08—Enlarging tube diameter

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
GB1584/30A 1929-01-18 1930-01-16 Expired GB331476A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE331476T 1929-01-18

Publications (1)

Publication Number Publication Date
GB331476A true GB331476A (enrdf_load_stackoverflow) 1930-07-03

Family

ID=31894874

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1584/30A Expired GB331476A (enrdf_load_stackoverflow) 1929-01-18 1930-01-16

Country Status (3)

Country Link
BE (1) BE366982A (enrdf_load_stackoverflow)
FR (1) FR688338A (enrdf_load_stackoverflow)
GB (1) GB331476A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE366982A (enrdf_load_stackoverflow)
FR688338A (fr) 1930-08-21

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