US2010275802A1PendingUtilityA1

Pyrothechnic target

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Assignee: SIMON RICHARD GREENPriority: Nov 15, 2007Filed: Nov 14, 2008Published: Nov 4, 2010
Est. expiryNov 15, 2027(~1.3 yrs left)· nominal 20-yr term from priority
Inventors:Benjamin John GreenPaul Thomas Albert Mulvihill
F41J 5/26C06C 9/00C06B 29/08F41J 1/01C06B 23/004
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Claims

Abstract

According to the invention there is provided an impact initiated pyrotechnic target including an impact initiated pyrotechnic composition which can be initiated by the impact of an inert projectile, said pyrotechnic composition including: an oxidising agent; optionally, a fuel or reducing agent; a sensitiser in the form of a sulfur containing compound; and optionally, a binder.

Claims

exact text as granted — not AI-modified
1 . An impact initiated pyrotechnic target including an impact initiated pyrotechnic composition which can be initiated by the impact of an inert projectile, the pyrotechnic composition including:
 an oxidising agent;   optionally, a fuel or reducing agent;   a sensitiser in the form of a sulfur containing compound; and   optionally, a binder.   
     
     
         2 . An impact initiated pyrotechnic target according to  claim 1  in which the sensitiser is thiourea. 
     
     
         3 . An impact initiated pyrotechnic target according to  claim 1  in which the oxidising agent is a chlorate. 
     
     
         4 . An impact initiated pyrotechnic target according to  claim 3  in which the oxidising agent is potassium chlorate. 
     
     
         5 . An impact initiated pyrotechnic target according to  claim 1  in which the fuel or reducing agent is charcoal. 
     
     
         6 . An impact initiated pyrotechnic target according to  claim 1  in which impact initiated pyrotechnic composition includes, by weight, 30-70% of the oxidising agent, 0-60% of the fuel or reducing agent, 8-40% of the sensitiser, and 0-15% of the binder. 
     
     
         7 . An impact initiated pyrotechnic target according to  claim 1  in which the binder is a resin. 
     
     
         8 . An impact initiated pyrotechnic target according to  claim 1 , further comprising a secondary pyrotechnic composition which is formulated to be initiated by the impact initiated pyrotechnic composition to produce a desired signalling effect. 
     
     
         9 . An impact initiated pyrotechnic target according to  claim 8  in which the secondary pyrotechnic composition includes metal particles and an oxidising agent. 
     
     
         10 . An impact initiated pyrotechnic target according to  claim 8  in which the secondary pyrotechnic composition is blended with the impact initiated pyrotechnic composition. 
     
     
         11 . An impact initiated pyrotechnic target according to  claim 1  in which the impact initiated pyrotechnic composition is disposed in front of a resilient surface, the resilient surface being sufficiently resilient to resist the impact of the projectile to an extent which allows initiation of the impact initiated pyrotechnic composition to take place. 
     
     
         12 . An impact initiated pyrotechnic target including:
 a housing, the housing comprising a resilient surface acting as a backing plate of the housing, wherein the backing plate includes a wall upstanding therefrom forming an enclosure; and   an impact initiated pyrotechnic composition disposed in the enclosure, the impact initiated pyrotechnic composition comprising:   an oxidising agent   optionally, a fuel or reducing agent;   a sensitiser in the form of a sulfur containing compound; and   optionally, a binder.   
     
     
         13 . An impact initiated pyrotechnic target according to  claim 12  in which the housing further includes a lid which is disposed over the wall so that the housing fully encloses the impact initiated pyrotechnic composition. 
     
     
         14 . A solid impact initiated pyrotechnic composition including:
 an oxidising agent;   optionally, a fuel or reducing agent;   a sensitiser in the form of a sulfur containing compound; and   optionally, a binder,   wherein the solid impact initiated pyrotechnic composition signals a strike by an impacting projectile.   
     
     
         15 . (canceled) 
     
     
         16 . (canceled) 
     
     
         17 . (canceled) 
     
     
         18 . An impact initiated pyrotechnic target according to  claim 14 , wherein the impacting projectile is inert. 
     
     
         19 . An impact initiated pyrotechnic target according to  claim 8 , in which the impact initiated pyrotechnic composition is disposed in front of a resilient surface, the resilient surface being sufficiently resilient to resist the impact of the projectile to an extent which allows initiation of the impact initiated pyrotechnic composition to take place. 
     
     
         20 . An impact initiated pyrotechnic target according to  claim 8  in which the sensitiser is thiourea. 
     
     
         21 . An impact initiated pyrotechnic target according to  claim 8  in which the oxidising agent is a chlorate. 
     
     
         22 . An impact initiated pyrotechnic target according to  claim 8  in which the fuel or reducing agent is charcoal. 
     
     
         23 . An impact initiated pyrotechnic target according to  claim 1  in which the binder is an acaroid resin.

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