GB863477A - Improvements in pyrotechnic devices, and electrical dischargers for use therewith - Google Patents
Improvements in pyrotechnic devices, and electrical dischargers for use therewithInfo
- Publication number
- GB863477A GB863477A GB3827058A GB3827058A GB863477A GB 863477 A GB863477 A GB 863477A GB 3827058 A GB3827058 A GB 3827058A GB 3827058 A GB3827058 A GB 3827058A GB 863477 A GB863477 A GB 863477A
- Authority
- GB
- United Kingdom
- Prior art keywords
- casing
- plug
- contact
- electrical
- flare
- 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
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
- F41A19/58—Electric firing mechanisms
- F41A19/69—Electric contacts or switches peculiar thereto
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
863,477. Pyrotechnic devices. SHERMULY PISTOL ROCKET APPARATUS Ltd. Nov. 26,1959 [Nov. 27, 1958], No. 38270/58. Class 9(2). A pyrotechnic device 1 comprises a tubular casing 3 of electrically conductive light alloy, an explosive charge 10, a plug 5 of electrically insulating synthetic resin and an electrical contact ring 6 of light alloy mounted on the plug and axially spaced from the end of the casing. The outer surface of the casing is coated with a layer 22 of electrically insulating material e.g. stove enamelling, except for a band 23, which forms the second electrical contact of the device. Each contact 6, 23, is respectively aligned with a member 25 of the discharge tube, Fig. 2 (not shown), prior to discharge. An electrical igniter 13, adjacent a delay fuze 12, is connected between the casing and the contact ring 6 by leads 16 and 14 respectively. Circumferential grooves 4 and 7 in the plug 5 secure the ends of the casing and contact ring respectively and the shoulder 8 of the plug ensures electrical insulation between them. A synthetic resin closing cap 20, with a pressure relieving aperture 21 therethrough, is screwed into the plug, and a parachute flare 2 is contained in the casing by a removable closure 18. In operation, a sufficient voltsage is applied across the contact 6, 23 to fire the igniter 13 which burns the delay fuze 12 and so the charge 10, which initiates the fuze (not shown) of the flare 2 and also ejects the flare by removing the closure 18. An openended discharger, as in Specification 863,476, is used.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3827058A GB863477A (en) | 1958-11-27 | 1958-11-27 | Improvements in pyrotechnic devices, and electrical dischargers for use therewith |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3827058A GB863477A (en) | 1958-11-27 | 1958-11-27 | Improvements in pyrotechnic devices, and electrical dischargers for use therewith |
Publications (1)
Publication Number | Publication Date |
---|---|
GB863477A true GB863477A (en) | 1961-03-22 |
Family
ID=10402361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3827058A Expired GB863477A (en) | 1958-11-27 | 1958-11-27 | Improvements in pyrotechnic devices, and electrical dischargers for use therewith |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB863477A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2162621A (en) * | 1978-03-14 | 1986-02-05 | Buck Chem Tech Werke | Screening projectiles |
-
1958
- 1958-11-27 GB GB3827058A patent/GB863477A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2162621A (en) * | 1978-03-14 | 1986-02-05 | Buck Chem Tech Werke | Screening projectiles |
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