Frangible article
First Claim
Patent Images
1. A frangible target comprising:
- a mixture of sand and a decomposable binder which is formed and cured to a desired target shape, said binder comprising by weight;
20-60% grain flour;
5-30% salt;
1/2-5% petroleum lubricant; and
water.
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Abstract
A frangible article for use as a target or a projectile is disclosed which is formed of a mixture of sand and decomposable binder shaped and cured to create a rigid, durable article which will fracture upon impact. Several preferred binder compositions and the method of forming a frangible target are also disclosed.
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Citations
30 Claims
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1. A frangible target comprising:
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a mixture of sand and a decomposable binder which is formed and cured to a desired target shape, said binder comprising by weight; 20-60% grain flour; 5-30% salt; 1/2-5% petroleum lubricant; and water. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A frangible target, comprising:
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a mixture of sand and a decomposable binder which is formed and cured to a desired target shape, said binder comprising by weight; 25-60% starch; 5-30% grain flour; 1/2-5% petroleum lubricant; and water. - View Dependent Claims (15, 16)
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17. A frangible target comprising:
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a mixture of sand and a decomposable binder formed in a shape of a planar silhouette and cured to create a rigid, durable target which will fracture upon impact by a projectile; a sealant for coating the target to prevent moisture absorption; and a transparent plastic film for supporting the silhouette in a vertical position and having the outline of the silhouette imprinted thereon. - View Dependent Claims (18)
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19. A frangible projectile comprising a mixture of sand and a decomposable binder which is formed into a projectile shape and cured to create a rigid, durable projectile which will fracture into a plurality of dull pieces upon impact, said decomposable binder comprising:
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20-60% grain flour; 5-30% salt; 1/2-5% lubricant; and water. - View Dependent Claims (20, 21, 22, 23)
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24. A frangible target comprising:
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a mixture of sand and a decomposable binder formed in a shape of a planar silhouette and cured to create a rigid, durable target which will fracture upon impact by a projectile; a sealant for coating the target to prevent moisture absorption; and a plurality of thin folded sheets each having at least one silhouette bonded thereto;
said sheets having perforated marginal edges for automatically positioning the silhouettes in the vertical position. - View Dependent Claims (25)
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26. A frangible projectile comprising a mixture of sand and a decomposable binder which is formed into a projectile shape and cured to create a rigid, durable projectile which will fracture into a plurality of dull pieces upon impact, said decomposable binder comprising:
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25-60% starch; 5-30% grain flour; 1/2-5% lubricant; and water. - View Dependent Claims (27, 28, 29, 30)
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Specification