FR2648380B1 - - Google Patents

Info

Publication number
FR2648380B1
FR2648380B1 FR8908222A FR8908222A FR2648380B1 FR 2648380 B1 FR2648380 B1 FR 2648380B1 FR 8908222 A FR8908222 A FR 8908222A FR 8908222 A FR8908222 A FR 8908222A FR 2648380 B1 FR2648380 B1 FR 2648380B1
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 - Fee Related
Application number
FR8908222A
Other languages
French (fr)
Other versions
FR2648380A1 (de
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.)
Allevard Industries SA
Original Assignee
Allevard Industries 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 Allevard Industries SA filed Critical Allevard Industries SA
Priority to FR8908222A priority Critical patent/FR2648380B1/fr
Priority to EP90401744A priority patent/EP0404674A1/de
Publication of FR2648380A1 publication Critical patent/FR2648380A1/fr
Application granted granted Critical
Publication of FR2648380B1 publication Critical patent/FR2648380B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/10—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Springs (AREA)
FR8908222A 1989-06-20 1989-06-20 Expired - Fee Related FR2648380B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8908222A FR2648380B1 (de) 1989-06-20 1989-06-20
EP90401744A EP0404674A1 (de) 1989-06-20 1990-06-20 Verfahren und Vorrichtung zur Verbesserung der Dauerfestigkeit einer zusammengedrückten Schraubenfeder und durch dieses Verfahren hergestellte Feder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8908222A FR2648380B1 (de) 1989-06-20 1989-06-20

Publications (2)

Publication Number Publication Date
FR2648380A1 FR2648380A1 (de) 1990-12-21
FR2648380B1 true FR2648380B1 (de) 1994-10-07

Family

ID=9382954

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8908222A Expired - Fee Related FR2648380B1 (de) 1989-06-20 1989-06-20

Country Status (2)

Country Link
EP (1) EP0404674A1 (de)
FR (1) FR2648380B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408645C1 (de) * 1994-03-15 1995-06-22 Krupp Ag Hoesch Krupp Kugelstrahlanlage für Schraubendruckfedern
FR2988792B1 (fr) * 2012-03-30 2015-02-27 Allevard Rejna Autosuspensions Dispositif et procede de blocage a hauteur controlee d'un ressort

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249677A (en) * 1940-07-11 1941-07-15 Eaton Mfg Co Apparatus for treating coil springs
JPS51122888A (en) * 1975-04-19 1976-10-27 Riichi Maeda Blasting device
JPS56107880A (en) * 1981-01-23 1981-08-27 High Frequency Heattreat Co Ltd Stress shot peening device for coil spring
JPS58192754A (ja) * 1982-04-30 1983-11-10 Kato Hatsujo Kaisha Ltd 疲労強度向上処理ばね及びその処理方法
DE3711826A1 (de) * 1987-04-08 1988-10-27 Meuwsen & Brockhausen Verfahren zur reparatur von hydraulikzylindern
DE3800679C2 (de) * 1987-07-11 1999-05-20 Teves Gmbh Alfred Dichtring einer Kolben-Zylinder-Einheit sowie Verfahren zu seiner Herstellung
JPS6471666A (en) * 1987-09-07 1989-03-16 Taiyo Chuki Kk Shot blast material shooting device

Also Published As

Publication number Publication date
EP0404674A1 (de) 1990-12-27
FR2648380A1 (de) 1990-12-21

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Legal Events

Date Code Title Description
TP Transmission of property
ER Errata listed in the french official journal (bopi)

Free format text: 51/90

ST Notification of lapse

Effective date: 20060228