FR2375158A1 - Relay for an explosive signal chain - contg. a low power fuse and using crystalline hexane as the explosive - Google Patents
Relay for an explosive signal chain - contg. a low power fuse and using crystalline hexane as the explosiveInfo
- Publication number
- FR2375158A1 FR2375158A1 FR7638824A FR7638824A FR2375158A1 FR 2375158 A1 FR2375158 A1 FR 2375158A1 FR 7638824 A FR7638824 A FR 7638824A FR 7638824 A FR7638824 A FR 7638824A FR 2375158 A1 FR2375158 A1 FR 2375158A1
- Authority
- FR
- France
- Prior art keywords
- chamber
- explosive
- contg
- fuse
- section
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fuses (AREA)
Abstract
The relay comprises an axial cylinder contg. a low-power fuse with a central circular cavity and an axial chamber contg. the explosive charge. This chamber is symmetrical around the axis and forms the link between the fuse and the principal charge. The chamber is narrow at the top and wide at the bottom, the angles of the walls varying at different levels. The chamber may comprise several sections, each the shape of a truncated cone. The angle of the walls of each section are different and the sections join together to form one chamber. Alternatively the chamber may consist of one section shaped like a truncated cone and a second section with a continually but not constantly reducing dia. The equipment provides the necessary intensification of power between the fuse and the principal charge at the same time, eliminating many of the problems encountered with previous low energy fuses.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7638824A FR2375158A1 (en) | 1976-12-23 | 1976-12-23 | Relay for an explosive signal chain - contg. a low power fuse and using crystalline hexane as the explosive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7638824A FR2375158A1 (en) | 1976-12-23 | 1976-12-23 | Relay for an explosive signal chain - contg. a low power fuse and using crystalline hexane as the explosive |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2375158A1 true FR2375158A1 (en) | 1978-07-21 |
FR2375158B1 FR2375158B1 (en) | 1979-04-13 |
Family
ID=9181443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7638824A Granted FR2375158A1 (en) | 1976-12-23 | 1976-12-23 | Relay for an explosive signal chain - contg. a low power fuse and using crystalline hexane as the explosive |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2375158A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2536315A1 (en) * | 1982-11-19 | 1984-05-25 | Foster Wheeler Energy Corp | APPARATUS FOR REALIZING BY EXPLOSION A JOINT BETWEEN A TUBE AND A TUBE TAB, COMPRISING A LOW ENERGY TRANSFER CORD AND AN ADDITIONAL LOAD |
FR2558824A1 (en) * | 1984-01-27 | 1985-08-02 | Poudres & Explosifs Ste Nale | SYSTEM FOR STARTING AN EXPLOSIVE LOAD |
EP0712822A1 (en) * | 1989-09-15 | 1996-05-22 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And | Flexible detonating cord |
-
1976
- 1976-12-23 FR FR7638824A patent/FR2375158A1/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2536315A1 (en) * | 1982-11-19 | 1984-05-25 | Foster Wheeler Energy Corp | APPARATUS FOR REALIZING BY EXPLOSION A JOINT BETWEEN A TUBE AND A TUBE TAB, COMPRISING A LOW ENERGY TRANSFER CORD AND AN ADDITIONAL LOAD |
FR2558824A1 (en) * | 1984-01-27 | 1985-08-02 | Poudres & Explosifs Ste Nale | SYSTEM FOR STARTING AN EXPLOSIVE LOAD |
EP0150645A2 (en) * | 1984-01-27 | 1985-08-07 | Societe Nationale Des Poudres Et Explosifs | Fuse assembly for a detonator charge |
EP0150645A3 (en) * | 1984-01-27 | 1985-08-28 | Societe Nationale Des Poudres Et Explosifs | Fuse assembly for a detonator charge |
EP0712822A1 (en) * | 1989-09-15 | 1996-05-22 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And | Flexible detonating cord |
Also Published As
Publication number | Publication date |
---|---|
FR2375158B1 (en) | 1979-04-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
ST | Notification of lapse |