FR2447761B1 - - Google Patents

Info

Publication number
FR2447761B1
FR2447761B1 FR7902536A FR7902536A FR2447761B1 FR 2447761 B1 FR2447761 B1 FR 2447761B1 FR 7902536 A FR7902536 A FR 7902536A FR 7902536 A FR7902536 A FR 7902536A FR 2447761 B1 FR2447761 B1 FR 2447761B1
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
FR7902536A
Other languages
French (fr)
Other versions
FR2447761A1 (fr
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.)
Barras Provence SA
Original Assignee
Barras Provence SA
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 Barras Provence SA filed Critical Barras Provence SA
Priority to FR7902536A priority Critical patent/FR2447761A1/fr
Publication of FR2447761A1 publication Critical patent/FR2447761A1/fr
Application granted granted Critical
Publication of FR2447761B1 publication Critical patent/FR2447761B1/fr
Granted 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/06—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure by shock waves
    • B21D26/12—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure by shock waves initiated by spark discharge

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding In General (AREA)
FR7902536A 1979-01-31 1979-01-31 Installation pour deformer un tube Granted FR2447761A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7902536A FR2447761A1 (fr) 1979-01-31 1979-01-31 Installation pour deformer un tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7902536A FR2447761A1 (fr) 1979-01-31 1979-01-31 Installation pour deformer un tube

Publications (2)

Publication Number Publication Date
FR2447761A1 FR2447761A1 (fr) 1980-08-29
FR2447761B1 true FR2447761B1 (el) 1982-10-29

Family

ID=9221447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902536A Granted FR2447761A1 (fr) 1979-01-31 1979-01-31 Installation pour deformer un tube

Country Status (1)

Country Link
FR (1) FR2447761A1 (el)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3232085A (en) * 1959-08-31 1966-02-01 Inoue Kiyoshi Machining apparatus utilizing electro discharge pressure
US3267710A (en) * 1962-09-24 1966-08-23 Inoue Kiyoshi Impulsive shaping and bonding of metals and other materials
FR1441275A (fr) * 1965-07-27 1966-06-03 Brown Outil pour machine de formage à grand rendement
US3512384A (en) * 1965-11-18 1970-05-19 Inoue K Shaping apparatus using electric-discharge pressure
GB1165902A (en) * 1966-05-04 1969-10-01 Nat Res Dev Improvements in Electrohydraulic Forming
CH478604A (de) * 1968-06-24 1969-09-30 Siemens Ag Vorrichtung zum Umformen von Werkstücken mittels Druckwellen

Also Published As

Publication number Publication date
FR2447761A1 (fr) 1980-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse