FR347504A - Manufacture of metal tubes - Google Patents

Manufacture of metal tubes

Info

Publication number
FR347504A
FR347504A FR347504DA FR347504A FR 347504 A FR347504 A FR 347504A FR 347504D A FR347504D A FR 347504DA FR 347504 A FR347504 A FR 347504A
Authority
FR
France
Prior art keywords
manufacture
metal tubes
tubes
metal
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)
Inventor
Emile Maertens
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR347504A publication Critical patent/FR347504A/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
    • B21C37/154—Making multi-wall tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR347504D 1904-10-28 1904-10-28 Manufacture of metal tubes Expired FR347504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR347504T 1904-10-28

Publications (1)

Publication Number Publication Date
FR347504A true FR347504A (en) 1905-03-13

Family

ID=1396140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR347504D Expired FR347504A (en) 1904-10-28 1904-10-28 Manufacture of metal tubes

Country Status (1)

Country Link
FR (1) FR347504A (en)

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