CA892223A - Helical pipe forming and welding apparatus and method - Google Patents

Helical pipe forming and welding apparatus and method

Info

Publication number
CA892223A
CA892223A CA892223A CA892223DA CA892223A CA 892223 A CA892223 A CA 892223A CA 892223 A CA892223 A CA 892223A CA 892223D A CA892223D A CA 892223DA CA 892223 A CA892223 A CA 892223A
Authority
CA
Canada
Prior art keywords
welding apparatus
pipe forming
helical pipe
helical
forming
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
CA892223A
Inventor
K. Davis Paul
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.)
PACIFIC ROLLER DIE CO
Original Assignee
Paul K Davis
PACIFIC ROLLER DIE CO
Publication date
Application granted granted Critical
Publication of CA892223A publication Critical patent/CA892223A/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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
CA892223A Helical pipe forming and welding apparatus and method Expired CA892223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA892223T

Publications (1)

Publication Number Publication Date
CA892223A true CA892223A (en) 1972-02-01

Family

ID=36398306

Family Applications (1)

Application Number Title Priority Date Filing Date
CA892223A Expired CA892223A (en) Helical pipe forming and welding apparatus and method

Country Status (1)

Country Link
CA (1) CA892223A (en)

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