GB1231694A - - Google Patents
Info
- Publication number
- GB1231694A GB1231694A GB1231694DA GB1231694A GB 1231694 A GB1231694 A GB 1231694A GB 1231694D A GB1231694D A GB 1231694DA GB 1231694 A GB1231694 A GB 1231694A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- bridge
- semi
- circuit
- igniter
- 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.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
- F42B3/12—Bridge initiators
- F42B3/13—Bridge initiators with semiconductive bridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/12—Primers; Detonators electric
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
1,231,694. Electrical igniters. DYNAMIT NOBEL A.G. 28 March, 1969 [5 April, 1968], No. 16557/69. Heading F3A. An electrical igniter comprises a circuit formed by an electrically conductive igniter composition 5, Fig. 1, two electrodes 1 and 2 which are in electrically conductive connection with one another via the igniter composition, and at least one semi-conducting member 6 of which the resistance is voltage dependent and which is positioned in the circuit so as to form a bridge between one electrode and the igniter composition, to divide one electrode into two parts (see chain lines) which lie in series with respect to the circuit, or form a bridge between the two electrodes. The latter bridge may be formed by a further semi-conductor (7, Fig. 2, not shown). Various other arrangements of the electrodes and semi-conductors are illustrated in Figs. 3-7 (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681763122 DE1763122A1 (en) | 1968-04-05 | 1968-04-05 | Ignition element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1231694A true GB1231694A (en) | 1971-05-12 |
Family
ID=5697380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1231694D Expired GB1231694A (en) | 1968-04-05 | 1969-03-28 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT286154B (en) |
| BE (1) | BE731101A (en) |
| CH (1) | CH503968A (en) |
| DE (1) | DE1763122A1 (en) |
| FR (1) | FR1600106A (en) |
| GB (1) | GB1231694A (en) |
| NL (1) | NL6815367A (en) |
| NO (1) | NO119465B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4525238A (en) * | 1982-12-15 | 1985-06-25 | Sfernice Societe Francaise De L'electro-Resistance | Process for manufacturing an electric circuit intended for firing a pyrotechnic device and the circuit thus obtained |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2436963A1 (en) * | 1978-09-19 | 1980-04-18 | France Etat | ELECTRIC PRIMER WITH CONDUCTIVE COMPOSITION |
| DE3440660A1 (en) * | 1983-11-09 | 1985-07-25 | Dynamit Nobel Ag, 5210 Troisdorf | Electrical detonating means |
| ES8601458A1 (en) * | 1983-11-09 | 1985-10-16 | Dynamit Nobel Ag | Electric primer. |
-
1968
- 1968-04-05 DE DE19681763122 patent/DE1763122A1/en active Pending
- 1968-10-24 NO NO422268A patent/NO119465B/no unknown
- 1968-10-28 NL NL6815367A patent/NL6815367A/xx unknown
- 1968-12-30 FR FR1600106D patent/FR1600106A/fr not_active Expired
-
1969
- 1969-03-28 GB GB1231694D patent/GB1231694A/en not_active Expired
- 1969-04-01 CH CH502269A patent/CH503968A/en not_active IP Right Cessation
- 1969-04-03 AT AT329869A patent/AT286154B/en not_active IP Right Cessation
- 1969-04-04 BE BE731101D patent/BE731101A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4525238A (en) * | 1982-12-15 | 1985-06-25 | Sfernice Societe Francaise De L'electro-Resistance | Process for manufacturing an electric circuit intended for firing a pyrotechnic device and the circuit thus obtained |
Also Published As
| Publication number | Publication date |
|---|---|
| BE731101A (en) | 1969-09-15 |
| DE1763122A1 (en) | 1970-10-22 |
| AT286154B (en) | 1970-11-25 |
| FR1600106A (en) | 1970-07-20 |
| CH503968A (en) | 1971-02-28 |
| NO119465B (en) | 1970-05-19 |
| NL6815367A (en) | 1969-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 429A | Application made for amendment of specification (sect. 29/1949) | ||
| 434A | Offer to surrender (sect. 34/1949) | ||
| 4293 | Case decided by the comptroller ** patent surrendered (sect. 29/1949) | ||
| 4333 | Proceeding terminated by surrender of patent under section 34 patents act 1949 |