FR2332080B1 - - Google Patents

Info

Publication number
FR2332080B1
FR2332080B1 FR7535871A FR7535871A FR2332080B1 FR 2332080 B1 FR2332080 B1 FR 2332080B1 FR 7535871 A FR7535871 A FR 7535871A FR 7535871 A FR7535871 A FR 7535871A FR 2332080 B1 FR2332080 B1 FR 2332080B1
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
FR7535871A
Other languages
French (fr)
Other versions
FR2332080A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7535871A priority Critical patent/FR2332080A1/fr
Publication of FR2332080A1 publication Critical patent/FR2332080A1/fr
Application granted granted Critical
Publication of FR2332080B1 publication Critical patent/FR2332080B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/328—Manufacturing methods specially adapted for elastic sealings
    • 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
    • B21D26/14—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces applying magnetic forces
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/16—Making other particular articles rings, e.g. barrel hoops
    • B21D53/18—Making other particular articles rings, e.g. barrel hoops of hollow or C-shaped cross-section, e.g. for curtains, for eyelets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
FR7535871A 1975-11-24 1975-11-24 Procede et dispositif de formage a froid d'enveloppes metalliques pour pieces annulaires Granted FR2332080A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7535871A FR2332080A1 (fr) 1975-11-24 1975-11-24 Procede et dispositif de formage a froid d'enveloppes metalliques pour pieces annulaires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7535871A FR2332080A1 (fr) 1975-11-24 1975-11-24 Procede et dispositif de formage a froid d'enveloppes metalliques pour pieces annulaires

Publications (2)

Publication Number Publication Date
FR2332080A1 FR2332080A1 (fr) 1977-06-17
FR2332080B1 true FR2332080B1 (xx) 1980-09-19

Family

ID=9162816

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535871A Granted FR2332080A1 (fr) 1975-11-24 1975-11-24 Procede et dispositif de formage a froid d'enveloppes metalliques pour pieces annulaires

Country Status (1)

Country Link
FR (1) FR2332080A1 (xx)

Also Published As

Publication number Publication date
FR2332080A1 (fr) 1977-06-17

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Legal Events

Date Code Title Description
ST Notification of lapse