BE483665A - - Google Patents
Info
- Publication number
- BE483665A BE483665A BE483665DA BE483665A BE 483665 A BE483665 A BE 483665A BE 483665D A BE483665D A BE 483665DA BE 483665 A BE483665 A BE 483665A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/767—Normally open
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH953071X | 1945-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE483665A true BE483665A (https=) |
Family
ID=4550172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE483665D BE483665A (https=) | 1945-02-02 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE483665A (https=) |
| CH (1) | CH255848A (https=) |
| FR (1) | FR953071A (https=) |
-
0
- BE BE483665D patent/BE483665A/xx unknown
-
1945
- 1945-02-02 CH CH255848D patent/CH255848A/de unknown
-
1947
- 1947-07-31 FR FR953071D patent/FR953071A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR953071A (fr) | 1949-11-30 |
| CH255848A (de) | 1948-07-15 |