FR703320A - Procédé de fabrication de tuyaux sans soudure - Google Patents

Procédé de fabrication de tuyaux sans soudure

Info

Publication number
FR703320A
FR703320A FR703320DA FR703320A FR 703320 A FR703320 A FR 703320A FR 703320D A FR703320D A FR 703320DA FR 703320 A FR703320 A FR 703320A
Authority
FR
France
Prior art keywords
manufacturing process
seamless pipe
pipe manufacturing
seamless
pipe
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.)
MANNES MANNROHREN WERKE
Original Assignee
MANNES MANNROHREN WERKE
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 MANNES MANNROHREN WERKE filed Critical MANNES MANNROHREN WERKE
Application granted granted Critical
Publication of FR703320A publication Critical patent/FR703320A/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)
FR703320D 1929-10-05 1930-10-04 Procédé de fabrication de tuyaux sans soudure Expired FR703320A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE703320X 1929-10-05

Publications (1)

Publication Number Publication Date
FR703320A true FR703320A (fr) 1931-04-28

Family

ID=6614162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR703320D Expired FR703320A (fr) 1929-10-05 1930-10-04 Procédé de fabrication de tuyaux sans soudure

Country Status (1)

Country Link
FR (1) FR703320A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455927A1 (fr) * 1979-05-07 1980-12-05 Vallourec Fabrication de tubes sans soudure a fort rapport diametre-epaisseur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455927A1 (fr) * 1979-05-07 1980-12-05 Vallourec Fabrication de tubes sans soudure a fort rapport diametre-epaisseur

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