FR718294A - Laminoir à élargir les tubes - Google Patents

Laminoir à élargir les tubes

Info

Publication number
FR718294A
FR718294A FR718294DA FR718294A FR 718294 A FR718294 A FR 718294A FR 718294D A FR718294D A FR 718294DA FR 718294 A FR718294 A FR 718294A
Authority
FR
France
Prior art keywords
rolling mill
expanding tubes
expanding
tubes
mill
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
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.)
Mannesmann Demag AG
Original Assignee
Demag 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 Demag AG filed Critical Demag AG
Application granted granted Critical
Publication of FR718294A publication Critical patent/FR718294A/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
    • 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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Metal Rolling (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
FR718294D 1930-06-12 1931-06-05 Laminoir à élargir les tubes Expired FR718294A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE549502T 1930-06-12

Publications (1)

Publication Number Publication Date
FR718294A true FR718294A (fr) 1932-01-21

Family

ID=34428023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718294D Expired FR718294A (fr) 1930-06-12 1931-06-05 Laminoir à élargir les tubes

Country Status (3)

Country Link
DE (1) DE549502C (fr)
FR (1) FR718294A (fr)
GB (1) GB363283A (fr)

Also Published As

Publication number Publication date
GB363283A (en) 1931-12-17
DE549502C (de) 1932-04-28

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