FR2452981B1 - - Google Patents

Info

Publication number
FR2452981B1
FR2452981B1 FR7908777A FR7908777A FR2452981B1 FR 2452981 B1 FR2452981 B1 FR 2452981B1 FR 7908777 A FR7908777 A FR 7908777A FR 7908777 A FR7908777 A FR 7908777A FR 2452981 B1 FR2452981 B1 FR 2452981B1
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
FR7908777A
Other languages
French (fr)
Other versions
FR2452981A1 (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
Regie Nationale des Usines Renault
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, Regie Nationale des Usines Renault filed Critical Renault SA
Priority to FR7908777A priority Critical patent/FR2452981A1/fr
Priority to BE0/199973A priority patent/BE882463A/fr
Priority to ES490231A priority patent/ES490231A0/es
Priority to PT71063A priority patent/PT71063A/pt
Priority to IT67540/80A priority patent/IT1128398B/it
Publication of FR2452981A1 publication Critical patent/FR2452981A1/fr
Application granted granted Critical
Publication of FR2452981B1 publication Critical patent/FR2452981B1/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
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/16—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially adapted methods or means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Lift Valve (AREA)
FR7908777A 1979-04-06 1979-04-06 Dispositif de redressage et devoilage de pieces de revolution formees d'une tige et d'une tete Granted FR2452981A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7908777A FR2452981A1 (fr) 1979-04-06 1979-04-06 Dispositif de redressage et devoilage de pieces de revolution formees d'une tige et d'une tete
BE0/199973A BE882463A (fr) 1979-04-06 1980-03-27 Dispositif de redressage et devoilage de pieces de revolution formees d'une tige et d'une tete
ES490231A ES490231A0 (es) 1979-04-06 1980-04-02 Dispositivo de rectificacion y endurezamiento de piezas de revolucion
PT71063A PT71063A (fr) 1979-04-06 1980-04-03 Dispositif de redressage et devoilage de pieces de revolution formees d'une tete
IT67540/80A IT1128398B (it) 1979-04-06 1980-04-04 Dispositivo per il raddrizzamento e la squadratura di pezzi di rivoluzione formati da un asta ed una testa particolarmente di valvole per motori a combustione interna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7908777A FR2452981A1 (fr) 1979-04-06 1979-04-06 Dispositif de redressage et devoilage de pieces de revolution formees d'une tige et d'une tete

Publications (2)

Publication Number Publication Date
FR2452981A1 FR2452981A1 (fr) 1980-10-31
FR2452981B1 true FR2452981B1 (online.php) 1982-12-17

Family

ID=9224069

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7908777A Granted FR2452981A1 (fr) 1979-04-06 1979-04-06 Dispositif de redressage et devoilage de pieces de revolution formees d'une tige et d'une tete

Country Status (5)

Country Link
BE (1) BE882463A (online.php)
ES (1) ES490231A0 (online.php)
FR (1) FR2452981A1 (online.php)
IT (1) IT1128398B (online.php)
PT (1) PT71063A (online.php)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2860686A (en) * 1956-12-03 1958-11-18 Philco Corp Component-lead straightening machinery
FR1338663A (fr) * 1962-10-26 1963-09-27 Landis & Gyr Sa Machine à dresser les arbres
US3406549A (en) * 1966-04-28 1968-10-22 Turner And Seymour Mfg Company Straightening machine
US3645119A (en) * 1969-11-24 1972-02-29 Wallace Murray Corp Method and apparatus for straightening elongated articles
US3930392A (en) * 1975-04-21 1976-01-06 Prutton Corporation Straightening machine
US4050275A (en) * 1975-11-14 1977-09-27 Eaton Corporation Method and apparatus for aligning a valve head

Also Published As

Publication number Publication date
BE882463A (fr) 1980-07-16
IT1128398B (it) 1986-05-28
FR2452981A1 (fr) 1980-10-31
ES8100916A1 (es) 1980-12-01
PT71063A (fr) 1980-05-01
IT8067540A0 (it) 1980-04-04
ES490231A0 (es) 1980-12-01

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Legal Events

Date Code Title Description
ST Notification of lapse