GB574166A - Improvements in or relating to blasting detonators or the like - Google Patents
Improvements in or relating to blasting detonators or the likeInfo
- Publication number
- GB574166A GB574166A GB4599/41A GB459941A GB574166A GB 574166 A GB574166 A GB 574166A GB 4599/41 A GB4599/41 A GB 4599/41A GB 459941 A GB459941 A GB 459941A GB 574166 A GB574166 A GB 574166A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blended
- charge
- percentage
- superposed
- april
- 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
Landscapes
- Air Bags (AREA)
Abstract
574,166. Blasting detonators. DU PONT DE NEMOURS & CO., E. I. April 7, 1941, No. 4599. Convention date, April 6, 1940. [Classes 9 (i) and 9(ii)] A blasting detonator is provided with a primary detonating composition, e.g. lead azide or fulminate, the sensitiveness of which to shock has been reduced by blending it with a small percentage of a water insoluble metal soap, such as calcium, aluminium or magnesium stearate or aluminium oleate. The base charge which may be of tetryl may also be blended with a low percentage of calcium stearate so that it can be worked easily. The percentage of metal soap ranges from 0.5 per cent to 5 per cent. In the detonator, shown in Fig. 3, the base charge 2 is contained in a metal case 1 and the blended detonating mixture 3 is superposed, and a firing charge 4 superposed on this. The charge 4 may be fired by a slow fuze, an electric current or, for a delay action, by a filament 9 through a delay carrier 13 perforated at 14 to receive the slow-burning powder. In a modification, Fig. 4, the blended detonating mixture 3 is enclosed in a cavity in the base charge 2 which is also blended with water-insoluble metallic soap.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US574166XA | 1940-04-06 | 1940-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB574166A true GB574166A (en) | 1945-12-27 |
Family
ID=22010453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4599/41A Expired GB574166A (en) | 1940-04-06 | 1941-04-07 | Improvements in or relating to blasting detonators or the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB574166A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1078920B (en) * | 1958-05-21 | 1960-03-31 | Du Pont | Electric bridge igniter |
-
1941
- 1941-04-07 GB GB4599/41A patent/GB574166A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1078920B (en) * | 1958-05-21 | 1960-03-31 | Du Pont | Electric bridge igniter |
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