FR486630A - Appareil pour la fabrication de tuyaux agrafés en spirale - Google Patents

Appareil pour la fabrication de tuyaux agrafés en spirale

Info

Publication number
FR486630A
FR486630A FR486630DA FR486630A FR 486630 A FR486630 A FR 486630A FR 486630D A FR486630D A FR 486630DA FR 486630 A FR486630 A FR 486630A
Authority
FR
France
Prior art keywords
stapled
spiral
pipes
production
stapled pipes
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.)
STANDARD SPIRAL PIPE WORKS
Original Assignee
STANDARD SPIRAL PIPE WORKS
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 STANDARD SPIRAL PIPE WORKS filed Critical STANDARD SPIRAL PIPE WORKS
Application granted granted Critical
Publication of FR486630A publication Critical patent/FR486630A/fr
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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/121—Making tubes or metal hoses with helically arranged seams with seams being neither welded nor soldered

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR486630D 1917-08-30 1917-08-30 Appareil pour la fabrication de tuyaux agrafés en spirale Expired FR486630A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR486630T 1917-08-30

Publications (1)

Publication Number Publication Date
FR486630A true FR486630A (fr) 1918-04-23

Family

ID=1523223

Family Applications (1)

Application Number Title Priority Date Filing Date
FR486630D Expired FR486630A (fr) 1917-08-30 1917-08-30 Appareil pour la fabrication de tuyaux agrafés en spirale

Country Status (1)

Country Link
FR (1) FR486630A (fr)

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