FR778482A - Process and rolling mill for the manufacture of tubes - Google Patents

Process and rolling mill for the manufacture of tubes

Info

Publication number
FR778482A
FR778482A FR778482DA FR778482A FR 778482 A FR778482 A FR 778482A FR 778482D A FR778482D A FR 778482DA FR 778482 A FR778482 A FR 778482A
Authority
FR
France
Prior art keywords
tubes
manufacture
rolling mill
mill
rolling
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 FR778482A publication Critical patent/FR778482A/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)
FR778482D 1933-11-25 1934-09-14 Process and rolling mill for the manufacture of tubes Expired FR778482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE778482X 1933-11-25

Publications (1)

Publication Number Publication Date
FR778482A true FR778482A (en) 1935-03-16

Family

ID=6686978

Family Applications (1)

Application Number Title Priority Date Filing Date
FR778482D Expired FR778482A (en) 1933-11-25 1934-09-14 Process and rolling mill for the manufacture of tubes

Country Status (1)

Country Link
FR (1) FR778482A (en)

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