US4290366A
Expired / Lapsed
US
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Energy transmission device
Assignee: Atlas Powder Co
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Filing: 1979-07-16
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Granted: 1981-09-22
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Expires: 1999-07-16
Abstract
Abstract A low brisance energy transmission device comprising an elongated tube containing self-oxidizing material loosely contained therein is provided. The energy transmission device is able to transmit and propagate energy across bends, kinks, knots, crimps or cuts in the tubing.
Inventors
- 👤 Florian B. Janoski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:51
CPC Classifications
C; C06; C06C; C06C5/00; C06C5/04
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
47 words
An energy transmission device for transmitting an explosive signal from an initiator to a receptor comprising: (a) an elongated tube; and (b) a self-oxidizing material loosely contained within said tube an extending substantially along the length of said tube for propagating an explosive signal through said tube.
Claim 2
Dependent Claim
47 words
An energy transmission device for transmitting an explosive signal from an initiator to a receptor comprising: (a) an elongated tube; and (b) a self-oxidizing material loosely contained within said tube an extending substantially along the length of said tube for propagating an explosive signal through said tube.
Claim 3
Dependent Claim
22 words
The energy transmission device of claim 1 wherein said self-oxidizing material has a detonation rate of at least 1,000 ft. per second.
Claim 4
Dependent Claim
21 words
The energy transmission device of claim 1 wherein said self-oxidizing material is in a filament form selected from monofilaments and multifilaments.
Claim 5
Dependent Claim
28 words
The energy transmission device of claim 1 wherein said self-oxidizing material has a detonation rate of at least 1,000 ft. per second to about 6,000 ft. per second.
Claim 6
Dependent Claim
13 words
The energy transmission device of claim 1 wherein said elongated tube is flexible.
Claim 7
Dependent Claim
24 words
The energy transmission device of claim 1, 2, 3, 4, or 5 wherein said self-oxidizing material comprises a continuous strand extending throughout said tube.
Claim 8
Dependent Claim
14 words
The energy transmission device of claim 6 wherein said self-oxidizing material comprises nitrated cellulose.
Claim 9
Dependent Claim
18 words
The energy transmission device of claim 6 wherein said self-oxidizing material comprises a moisture insensitive plasticized explosive material.
Claim 10
Dependent Claim
26 words
The energy transmission device of claim 1, 2, 3, 4 or 5 wherein said self-oxidizing material comprises a loose mass of multifilaments within said elongated tube.
Claim 11
Dependent Claim
14 words
The energy transmission device of claim 9 wherein said self-oxidizing material comprises nitrated cellulose.
Claim 12
Dependent Claim
18 words
The energy transmission device of claim 9 wherein said self-oxidizing material comprises a moisture insensitive plasticized explosive material.
Claim 13
Dependent Claim
19 words
The energy transmission device of claim 9 wherein said mass is continuous throughout the interior of said elongated tube.
Claim 14
Dependent Claim
23 words
The energy transmission device of claim 9 wherein said mass is discontinuous, but substantially uniformly deposited throughout the interior of said elongated tube.
Claim 15
Dependent Claim
26 words
The energy transmission device as recited in claim 1, 2, 3, 4 or 5 wherein said elongated tube is made from a flexible nonelastomeric polymer material.
Claim 16
Dependent Claim
23 words
The energy transmission device of claim 14 wherein said polymer material is selected from the group consisting of polyethylene, polypropylene, polyvinylchloride, and polybutylene.
Claim 17
Dependent Claim
46 words
The energy transmission device of claim 1, 2, 3, 4, or 5 wherein the outer diameter of said elongated tube is from about 1/16 inch to about 1/4 inch and the inner diameter of said elongated tube is from about 1/32 inch to about 3/32 inch.
Claim 18
Dependent Claim
84 words
An elongated tubular energy transmission device capable of propagating a detonation signal through a 180° bend therein comprising: (a) a flexible, elongated tube; and (b) a continuous mass of self-oxidizing material loosely contained within said tube and extending along the entire length of said tube wherein said self-oxidizing material has a detonation rate of between about 1,000 ft. per second and 6,000 ft. per second and has structural integrity to permit bending of said elongated tube at least 180° without severing said self-oxidizing material.
Claim 19
Dependent Claim
84 words
An elongated tubular energy transmission device capable of propagating a detonation signal through a 180° bend therein comprising: (a) a flexible, elongated tube; and (b) a continuous mass of self-oxidizing material loosely contained within said tube and extending along the entire length of said tube wherein said self-oxidizing material has a detonation rate of between about 1,000 ft. per second and 6,000 ft. per second and has structural integrity to permit bending of said elongated tube at least 180° without severing said self-oxidizing material.
Claim 20
Dependent Claim
26 words
The energy transmission device of claim 17 wherein said self-oxidizing material is in the form of a strand made from material selected from monofilaments and multifilaments.
Claim 21
Dependent Claim
21 words
The energy transmission device of claim 17 wherein said self-oxidizing material is in the form of a continuous mass of multifilaments.
Claim 22
Dependent Claim
17 words
The energy transmission device of claim 17, 18 or 19 wherein said self-oxidizing material comprises nitrated cellulose.
Claim 23
Dependent Claim
20 words
The energy transmission device of claim 17, 18 or 19 wherein said self-oxidizing material comprises a moisture insensitive plasticized explosive.
Claim 24
Dependent Claim
20 words
The energy transmission device of claim 17, 18 or 19 wherein said elongated tube is made from a nonelastomeric polymer.
Claim 25
Dependent Claim
22 words
The energy transmission device of claim 22 wherein said polymer is selected from the group consisting of polyethylene, polypropylene, polyvinylchloride, and polybutylene.
Claim 26
Independent Claim
103 words
A method of detonating a high explosive in contact with a blasting cap comprising: connecting a tubular member between an initiation device means and said blasting cap, said tubular member comprising an elongated tube containing self-oxidizing material, said self-oxidizing material being in the form of a continuous mass loosely contained in said elongated tube and extending substantially along the length of said tube; and activating said initiator device to cause sequential oxidation of said self-oxidizing material, said blasting cap and said explosive, said oxidation of said self-oxidizing material resulting in a plasma front being transferred from said initiator device to said blasting cap.
Claim 27
Independent Claim
103 words
A method of detonating a high explosive in contact with a blasting cap comprising: connecting a tubular member between an initiation device means and said blasting cap, said tubular member comprising an elongated tube containing self-oxidizing material, said self-oxidizing material being in the form of a continuous mass loosely contained in said elongated tube and extending substantially along the length of said tube; and activating said initiator device to cause sequential oxidation of said self-oxidizing material, said blasting cap and said explosive, said oxidation of said self-oxidizing material resulting in a plasma front being transferred from said initiator device to said blasting cap.
Claim 28
Dependent Claim
22 words
The method as recited in claim 24 wherein said self-oxidizing material has a detonation rate of at least 1,000 ft. per second.
Claim 29
Dependent Claim
26 words
The method of claim 24 wherein said self-oxidizing material has a detonation rate of at least 1,000 ft. per second to about 6,000 ft. per second.
Claim 30
Dependent Claim
13 words
The energy transmission device of claim 14 wherein said polymer material is nylon.
Claim 31
Dependent Claim
15 words
The energy transmission device of claim 14 wherein said polymer material is an ionomer resin.
Claim 32
Dependent Claim
13 words
The energy transmission device of claim 22 wherein said polymer material is nylon.
Claim 33
Dependent Claim
15 words
The energy transmission device of claim 22 wherein said polymer material is an ionomer resin.
References Cited (Backward Citations)
US2774306A
Cited
US3320883A
Cited
US3867884A
Cited
US3908509A
Cited
US3968724A
Cited
US4024817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-09-21 | 1985-03-23 | 1985-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-21 | 1989-03-23 | 1989-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-21 | 1993-03-23 | 1993-09-22 | $7700.00 | Window Closed / Lapsed |