Ammunition and explosives – Igniting devices and systems – Initiating devices
Patent
1993-07-01
1994-07-12
Brown, David H.
Ammunition and explosives
Igniting devices and systems
Initiating devices
1022752, 1022753, 1022756, 1022757, 10227512, F42B 310, F42B 316, F42C 1908
Patent
active
053278356
ABSTRACT:
A coupling device (10) for coupling a detonator cap (22a, 22b) with a detonating cord (82) features a sleeve member (12) having a longitudinal bore (18) extending therethrough for receiving a detonator cap (22a, 22b) in one end and a detonating cord (82) in the other. The coupling device (10) includes a nut member (14) having an aperture for receiving the cord (82) and having a compression surface (34) for bearing against a compression portion defined below when the nut member (14) is secured onto the sleeve member (12). The nut member (14) may be secured to the sleeve member (12) with its aperture aligned with the bore (18). A compression portion (31) associated with the sleeve member (12) responds to pressure from the compression surface (34) of the nut member (14) for gripping a cord (82) when the nut member (14) is secured onto the sleeve member ( 12). Thus, a cord can be securely disposed in detonation signal transmission relation to a cap without having special coupling hardware, e.g., a mounting ferrule, on the cord. The sleeve member optionally includes a ferrule seat (28) for receiving a ferrule (16), dimensioned and configured to receive a detonating cord and to allow the cord to pass into the bore. The ferrule (16) may include the compression portion means, which may include a plurality of resilient tangs (32a, 32b) disposed about the bore.
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Adams Craig F.
Pebbles Richard J.
Brown David H.
Libert Victor E.
Spaeth Frederick A.
The Ensign-Bickford Company
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