FR1209926A - Extrusion method and device - Google Patents

Extrusion method and device

Info

Publication number
FR1209926A
FR1209926A FR1209926DA FR1209926A FR 1209926 A FR1209926 A FR 1209926A FR 1209926D A FR1209926D A FR 1209926DA FR 1209926 A FR1209926 A FR 1209926A
Authority
FR
France
Prior art keywords
extrusion method
extrusion
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.)
ROHRLEITUNGSBAU BITTERFELD VEB
Original Assignee
ROHRLEITUNGSBAU BITTERFELD VEB
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 ROHRLEITUNGSBAU BITTERFELD VEB filed Critical ROHRLEITUNGSBAU BITTERFELD VEB
Application granted granted Critical
Publication of FR1209926A publication Critical patent/FR1209926A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/29—Making branched pieces, e.g. T-pieces
    • B21C37/292—Forming collars by drawing or pushing a rigid forming tool through an opening in the tube wall

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1209926D 1958-03-11 1958-03-11 Extrusion method and device Expired FR1209926A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1209926T 1958-03-11

Publications (1)

Publication Number Publication Date
FR1209926A true FR1209926A (en) 1960-03-04

Family

ID=9674952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1209926D Expired FR1209926A (en) 1958-03-11 1958-03-11 Extrusion method and device

Country Status (1)

Country Link
FR (1) FR1209926A (en)

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