FR842446A - - Google Patents

Info

Publication number
FR842446A
FR842446A FR842446DA FR842446A FR 842446 A FR842446 A FR 842446A FR 842446D A FR842446D A FR 842446DA FR 842446 A FR842446 A FR 842446A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR842446A publication Critical patent/FR842446A/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00Corrugating tubes
    • B21D15/04Corrugating tubes transversely, e.g. helically
    • B21D15/10Corrugating tubes transversely, e.g. helically by applying fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR842446D Expired FR842446A (ja)

Publications (1)

Publication Number Publication Date
FR842446A true FR842446A (ja) 1939-06-12

Family

ID=1554240

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842446D Expired FR842446A (ja)

Country Status (1)

Country Link
FR (1) FR842446A (ja)

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