FR675260A - Improvements in the manufacture of malleable metal pipes using hollow blanks - Google Patents

Improvements in the manufacture of malleable metal pipes using hollow blanks

Info

Publication number
FR675260A
FR675260A FR675260DA FR675260A FR 675260 A FR675260 A FR 675260A FR 675260D A FR675260D A FR 675260DA FR 675260 A FR675260 A FR 675260A
Authority
FR
France
Prior art keywords
manufacture
metal pipes
malleable metal
hollow blanks
blanks
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
Edward Weir
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 filed Critical
Application granted granted Critical
Publication of FR675260A publication Critical patent/FR675260A/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
    • B21C37/14—Making tubes from double flat material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR675260D 1928-07-25 1929-05-16 Improvements in the manufacture of malleable metal pipes using hollow blanks Expired FR675260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU675260X 1928-07-25

Publications (1)

Publication Number Publication Date
FR675260A true FR675260A (en) 1930-02-07

Family

ID=3751781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR675260D Expired FR675260A (en) 1928-07-25 1929-05-16 Improvements in the manufacture of malleable metal pipes using hollow blanks

Country Status (1)

Country Link
FR (1) FR675260A (en)

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