Universal isolation member and non-electric detonator cap includ

Details Universal isolation member and non-electric detonator cap includ Universal isolation member and non-electric detonator cap includ

1996-02-23

1997-05-20

Carone, Michael J.

Ammunition and explosives

Igniting devices and systems

Fuse cord

1022752, 10227512, C06C 506

Patent

active

056314400

ABSTRACT:
An isolation member (34) for use in a non-electric detonator cap (10) has an interior passageway (40) extending therethrough and defining a positioning region (44) and a discharge port (56). Positioning region (44) provides a series of interior shoulders (46), (48) and an entry shoulder (52) respectively sized to receive and seat therein signal transmission lines of different outside diameters, thereby longitudinally orienting and spacing the signal-emitting end (30a) from the receptor charge (14). The isolation member (34) is preferably made of a semi-conductive material to bleed off to the shell (12) any static electricity charges transmitted through the signal transmission line (shock tube 30) so as to prevent static discharge initiation of the receptor charge (14).

REFERENCES:
patent: 3981240 (1976-09-01), Gladden
patent: 4335652 (1982-06-01), Bryan
patent: 5031538 (1991-07-01), Dufrane et al.
patent: 5365851 (1994-11-01), Shaw
Drawing 92C 34D of The Ensign-Bickford Company.
Drawing No. 92C 349D of The Ensign-Bickford Company.

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