FR2137959A1 - - Google Patents
Info
- Publication number
- FR2137959A1 FR2137959A1 FR7217470A FR7217470A FR2137959A1 FR 2137959 A1 FR2137959 A1 FR 2137959A1 FR 7217470 A FR7217470 A FR 7217470A FR 7217470 A FR7217470 A FR 7217470A FR 2137959 A1 FR2137959 A1 FR 2137959A1
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D39/00—Equipment for supplying molten metal in rations
- B22D39/06—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by controlling the pressure above the molten metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/08—Controlling, supervising, e.g. for safety reasons
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/14—Control of fluid pressure with auxiliary non-electric power
- G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
- G05D16/187—Control of fluid pressure with auxiliary non-electric power derived from an external source using pistons within the main valve
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Non-Electrical Variables (AREA)
- Control Of Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS3556A CS175565B1 (OSRAM) | 1971-05-17 | 1971-05-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2137959A1 true FR2137959A1 (OSRAM) | 1972-12-29 |
| FR2137959B1 FR2137959B1 (OSRAM) | 1973-07-13 |
Family
ID=5375981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR727217470A Expired FR2137959B1 (OSRAM) | 1971-05-17 | 1972-05-16 |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH546979A (OSRAM) |
| CS (1) | CS175565B1 (OSRAM) |
| DE (1) | DE2224139B2 (OSRAM) |
| FR (1) | FR2137959B1 (OSRAM) |
| GB (1) | GB1388630A (OSRAM) |
| IT (1) | IT955569B (OSRAM) |
-
1971
- 1971-05-17 CS CS3556A patent/CS175565B1/cs unknown
-
1972
- 1972-05-09 CH CH685172A patent/CH546979A/xx not_active IP Right Cessation
- 1972-05-16 FR FR727217470A patent/FR2137959B1/fr not_active Expired
- 1972-05-16 IT IT24420/72A patent/IT955569B/it active
- 1972-05-16 GB GB2286972A patent/GB1388630A/en not_active Expired
- 1972-05-17 DE DE2224139A patent/DE2224139B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2137959B1 (OSRAM) | 1973-07-13 |
| CS175565B1 (OSRAM) | 1977-05-31 |
| IT955569B (it) | 1973-09-29 |
| DE2224139B2 (de) | 1974-03-21 |
| GB1388630A (en) | 1975-03-26 |
| DE2224139C3 (OSRAM) | 1974-10-17 |
| DE2224139A1 (de) | 1972-11-23 |
| CH546979A (de) | 1974-03-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |