FR761055A - Drawing process for conical tubes - Google Patents

Drawing process for conical tubes

Info

Publication number
FR761055A
FR761055A FR761055DA FR761055A FR 761055 A FR761055 A FR 761055A FR 761055D A FR761055D A FR 761055DA FR 761055 A FR761055 A FR 761055A
Authority
FR
France
Prior art keywords
drawing process
conical tubes
conical
tubes
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
Fritz Gross
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 FR761055A publication Critical patent/FR761055A/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
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR761055D 1933-01-30 1933-09-23 Drawing process for conical tubes Expired FR761055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE761055X 1933-01-30

Publications (1)

Publication Number Publication Date
FR761055A true FR761055A (en) 1934-03-10

Family

ID=6663963

Family Applications (1)

Application Number Title Priority Date Filing Date
FR761055D Expired FR761055A (en) 1933-01-30 1933-09-23 Drawing process for conical tubes

Country Status (1)

Country Link
FR (1) FR761055A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748000C (en) * 1936-07-26 1944-10-23 Process for making conical tubes from cylindrical tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748000C (en) * 1936-07-26 1944-10-23 Process for making conical tubes from cylindrical tubes

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