FR778483A - Manufacturing process of seamless tubes - Google Patents

Manufacturing process of seamless tubes

Info

Publication number
FR778483A
FR778483A FR778483DA FR778483A FR 778483 A FR778483 A FR 778483A FR 778483D A FR778483D A FR 778483DA FR 778483 A FR778483 A FR 778483A
Authority
FR
France
Prior art keywords
manufacturing process
seamless tubes
seamless
tubes
manufacturing
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
French (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.)
DEUTSCHE ROHRENWERKE AG
Original Assignee
DEUTSCHE ROHRENWERKE 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 DEUTSCHE ROHRENWERKE AG filed Critical DEUTSCHE ROHRENWERKE AG
Application granted granted Critical
Publication of FR778483A publication Critical patent/FR778483A/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
    • B21B19/12—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 parallel to the axis of the work
    • B21B19/14—Rolling tubes by means of additional rollers arranged inside the tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR778483D 1933-11-27 1934-09-14 Manufacturing process of seamless tubes Expired FR778483A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE778483X 1933-11-27

Publications (1)

Publication Number Publication Date
FR778483A true FR778483A (en) 1935-03-16

Family

ID=6686979

Family Applications (1)

Application Number Title Priority Date Filing Date
FR778483D Expired FR778483A (en) 1933-11-27 1934-09-14 Manufacturing process of seamless tubes

Country Status (1)

Country Link
FR (1) FR778483A (en)

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