Ammunition and explosives – Igniting devices and systems – Fuse cord
Patent
1987-04-30
1989-06-13
Brown, David H.
Ammunition and explosives
Igniting devices and systems
Fuse cord
1022751, C06C 500
Patent
active
048381659
ABSTRACT:
Blasting signal transmission tube comprising a length of elongated flexible hollow tube and a self-oxidizing combustible substance disposed within the tube for transmitting a blasting signal along the interior of the tube length, the hollow tube having a varying interior axial cross-sectional area at longitudinally spaced intervals along the tube length for reducing and controlling the velocity of the blasting signal. Also, a process for producing signal transmission tube comprising forming a length of elongated flexible hollow tube of predetermined interior cross section area; depositing a self-oxidizing combustible substance within the tube for transmitting a blasting signal along the interior of the tube length without destroying the tube; and introducing a plurality of discrete restrictions reducing the predetermined hollow tube interior cross-sectional area at longitudinally spaced intervals along the tube length for reducing and controlling the velocity of the blasting signal.
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Gladden Ernest L.
Tavelli Sanford B.
Brown David H.
The Ensign-Bickford Company
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