FR721906A - Manufacturing process of elbow tubes - Google Patents

Manufacturing process of elbow tubes

Info

Publication number
FR721906A
FR721906A FR721906DA FR721906A FR 721906 A FR721906 A FR 721906A FR 721906D A FR721906D A FR 721906DA FR 721906 A FR721906 A FR 721906A
Authority
FR
France
Prior art keywords
manufacturing process
elbow tubes
elbow
tubes
manufacturing
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
Waclaw Von Kossowski
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 FR721906A publication Critical patent/FR721906A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/14—Wrinkle-bending, i.e. bending by corrugating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR721906D 1931-08-24 1931-08-24 Manufacturing process of elbow tubes Expired FR721906A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR721906T 1931-08-24

Publications (1)

Publication Number Publication Date
FR721906A true FR721906A (en) 1932-03-09

Family

ID=9099199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721906D Expired FR721906A (en) 1931-08-24 1931-08-24 Manufacturing process of elbow tubes

Country Status (1)

Country Link
FR (1) FR721906A (en)

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