FR2281531A1 - Procede de fabrication d'obturateurs claquables a retournement - Google Patents
Procede de fabrication d'obturateurs claquables a retournementInfo
- Publication number
- FR2281531A1 FR2281531A1 FR7524834A FR7524834A FR2281531A1 FR 2281531 A1 FR2281531 A1 FR 2281531A1 FR 7524834 A FR7524834 A FR 7524834A FR 7524834 A FR7524834 A FR 7524834A FR 2281531 A1 FR2281531 A1 FR 2281531A1
- Authority
- FR
- France
- Prior art keywords
- flip
- manufacturing process
- down shutters
- shutters
- manufacturing
- Prior art date
- 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.)
- Granted
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
- B21D26/021—Deforming sheet bodies
- B21D26/027—Means for controlling fluid parameters, e.g. pressure or temperature
-
- 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
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/14—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member
- F16K17/16—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2438586 | 1974-08-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2281531A1 true FR2281531A1 (fr) | 1976-03-05 |
FR2281531B1 FR2281531B1 (nl) | 1979-05-18 |
Family
ID=5922962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7524834A Granted FR2281531A1 (fr) | 1974-08-10 | 1975-08-08 | Procede de fabrication d'obturateurs claquables a retournement |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5148826A (nl) |
FR (1) | FR2281531A1 (nl) |
GB (1) | GB1458650A (nl) |
NL (1) | NL175221C (nl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2296492A1 (fr) * | 1975-01-02 | 1976-07-30 | Black Sivalls & Bryson Inc | Procede pour la fabrication de disques de rupture a bombement inverse |
EP0071151A2 (de) * | 1981-07-29 | 1983-02-09 | INTERATOM Gesellschaft mit beschränkter Haftung | Verfahren und Vorrichtung zur zerstörungsfreien Messung des Ansprechdruckes von Umkehrberstscheiben |
-
1975
- 1975-08-06 GB GB3292775A patent/GB1458650A/en not_active Expired
- 1975-08-06 NL NL7509355A patent/NL175221C/nl not_active IP Right Cessation
- 1975-08-08 FR FR7524834A patent/FR2281531A1/fr active Granted
- 1975-08-11 JP JP9741975A patent/JPS5148826A/ja active Pending
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2296492A1 (fr) * | 1975-01-02 | 1976-07-30 | Black Sivalls & Bryson Inc | Procede pour la fabrication de disques de rupture a bombement inverse |
EP0071151A2 (de) * | 1981-07-29 | 1983-02-09 | INTERATOM Gesellschaft mit beschränkter Haftung | Verfahren und Vorrichtung zur zerstörungsfreien Messung des Ansprechdruckes von Umkehrberstscheiben |
EP0071151A3 (en) * | 1981-07-29 | 1984-07-25 | Interatom Internationale Atomreaktorbau Gmbh | Method and apparatus for determining the rupturing pressure of a reverse bursting disc |
Also Published As
Publication number | Publication date |
---|---|
NL175221B (nl) | 1984-05-01 |
NL175221C (nl) | 1984-10-01 |
GB1458650A (en) | 1976-12-15 |
JPS5148826A (ja) | 1976-04-27 |
NL7509355A (nl) | 1976-02-12 |
FR2281531B1 (nl) | 1979-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |