FR348842A - Machine à faire des tuyaux en tole - Google Patents

Machine à faire des tuyaux en tole

Info

Publication number
FR348842A
FR348842A FR348842DA FR348842A FR 348842 A FR348842 A FR 348842A FR 348842D A FR348842D A FR 348842DA FR 348842 A FR348842 A FR 348842A
Authority
FR
France
Prior art keywords
sheet metal
making machine
metal pipe
pipe making
machine
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)
Inventor
Hermann Gumtow
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 FR348842A publication Critical patent/FR348842A/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 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)
FR348842D 1904-09-14 1904-09-14 Machine à faire des tuyaux en tole Expired FR348842A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR348842T 1904-09-14

Publications (1)

Publication Number Publication Date
FR348842A true FR348842A (fr) 1905-04-27

Family

ID=1397386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR348842D Expired FR348842A (fr) 1904-09-14 1904-09-14 Machine à faire des tuyaux en tole

Country Status (1)

Country Link
FR (1) FR348842A (fr)

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