FR2214552B1 - - Google Patents

Info

Publication number
FR2214552B1
FR2214552B1 FR7301967A FR7301967A FR2214552B1 FR 2214552 B1 FR2214552 B1 FR 2214552B1 FR 7301967 A FR7301967 A FR 7301967A FR 7301967 A FR7301967 A FR 7301967A FR 2214552 B1 FR2214552 B1 FR 2214552B1
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
FR7301967A
Other versions
FR2214552A1 (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.)
Renault SA
Original Assignee
Renault 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 Renault SA filed Critical Renault SA
Priority to FR7301967A priority Critical patent/FR2214552B1/fr
Publication of FR2214552A1 publication Critical patent/FR2214552A1/fr
Application granted granted Critical
Publication of FR2214552B1 publication Critical patent/FR2214552B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/12—Forming parts of complementary shape, e.g. punch-and-die

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR7301967A 1973-01-19 1973-01-19 Expired FR2214552B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7301967A FR2214552B1 (fr) 1973-01-19 1973-01-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7301967A FR2214552B1 (fr) 1973-01-19 1973-01-19

Publications (2)

Publication Number Publication Date
FR2214552A1 FR2214552A1 (fr) 1974-08-19
FR2214552B1 true FR2214552B1 (fr) 1976-05-14

Family

ID=9113569

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7301967A Expired FR2214552B1 (fr) 1973-01-19 1973-01-19

Country Status (1)

Country Link
FR (1) FR2214552B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927190A (en) * 1958-03-31 1960-03-01 Dayton Rogers Mfg Co Method of making blanking die assemblies
CH347586A (fr) * 1958-12-23 1960-07-15 Charmilles Sa Ateliers Procédé d'usinage d'une matrice par électro-érosion, et machine pour la mise en oeuvre de ce procédé
US3408471A (en) * 1965-10-19 1968-10-29 British Ind Corp Method of making cutting dies by electroerosion

Also Published As

Publication number Publication date
FR2214552A1 (fr) 1974-08-19

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Legal Events

Date Code Title Description
ST Notification of lapse