NL74966C - - Google Patents
Info
- Publication number
- NL74966C NL74966C NL74966DA NL74966C NL 74966 C NL74966 C NL 74966C NL 74966D A NL74966D A NL 74966DA NL 74966 C NL74966 C NL 74966C
- Authority
- NL
- Netherlands
Links
Classifications
- 
        - H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T11/00—Spark gaps specially adapted as rectifiers
 
- 
        - F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
- F42D1/05—Electric circuits for blasting
 
- 
        - H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
- H01H39/004—Closing switches
 
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| FR1022032T | 1950-07-13 | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| NL74966C true NL74966C (en:Method) | 
Family
ID=9577371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| NL74966D NL74966C (en:Method) | 1950-07-13 | 
Country Status (4)
| Country | Link | 
|---|---|
| BE (1) | BE504578A (en:Method) | 
| CH (1) | CH294865A (en:Method) | 
| FR (1) | FR1022032A (en:Method) | 
| NL (1) | NL74966C (en:Method) | 
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US4563556A (en) * | 1984-03-28 | 1986-01-07 | Michel Goldstein | Internal combustion circuit breaker | 
- 
        0
        - NL NL74966D patent/NL74966C/xx active
- BE BE504578D patent/BE504578A/xx unknown
 
- 
        1950
        - 1950-07-13 FR FR1022032D patent/FR1022032A/fr not_active Expired
 
- 
        1951
        - 1951-07-13 CH CH294865D patent/CH294865A/fr unknown
 
Also Published As
| Publication number | Publication date | 
|---|---|
| FR1022032A (fr) | 1953-02-26 | 
| CH294865A (fr) | 1953-11-30 | 
| BE504578A (en:Method) |