Granulate backstop assembly
First Claim
Patent Images
1. A range backstop assembly comprising:
- (a) a container having an opening closed up by a medium and serving for projectile entry;
(b) a particulate flowable granulate material contained within the container for slowing down the entering projectiles; and
(c) an anti-adhesion medium interspersed between the particles of the granulate material, whereby the anti-adhesion medium prevents adhesion of the granulate material in the presence of heat generated by the entering projectiles.
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Abstract
A range backstop assembly having a container with an opening typically closed by a rubber sheet and serving for projectile entry. The container is filled with a particulate flowable granulate material which slows down the entering projectiles. An anti-adhesion medium is further interspersed between the particles of the granulate material to prevent adhesion of the granulate material in the presence of heat generated by the entering projectiles.
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Citations
26 Claims
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1. A range backstop assembly comprising:
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(a) a container having an opening closed up by a medium and serving for projectile entry; (b) a particulate flowable granulate material contained within the container for slowing down the entering projectiles; and (c) an anti-adhesion medium interspersed between the particles of the granulate material, whereby the anti-adhesion medium prevents adhesion of the granulate material in the presence of heat generated by the entering projectiles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A range backstop assembly comprising:
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(a) a container having an opening closed up by a permeable self-healing sheet and serving for projectile entry; (b) a particulate flowable granulate material contained within the container for slowing down the entering projectiles; and (c) granulate circulation means for collecting granulate from the bottom of the container and circulating it through a screen to the top of the container, whereby the entering projectiles are separated from the granulate material by the screen. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A range backstop assembly comprising:
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(a) a container having an opening closed up by a permeable self-healing sheet and serving for projectile entry; (b) a particulate flowable granulate material contained within the container for slowing down the entering projectiles; and (c) granulate circulation means for collecting granulate from the bottom of the container and circulating it through a separation assembly to the top of the container, whereby the entering projectiles are separated from the granulate material by the separation assembly.
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21. A range backstop assembly comprising:
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(a) a container having an opening closed up by a medium and serving for projectile entry; (b) a particulate flowable granulate material contained within the container for slowing down the entering projectiles, the granular material having an anti-adhesion medium interspersed between the particles of the granulate material, whereby the anti-adhesion medium prevents adhesion of the granulate material in the presence of heat generated by the entering projectiles; and (c) granulate circulation means for collecting granulate from the bottom of the container and circulating it through a screen to the top of the container, whereby the entering projectiles are separated from the granulate material by the screen. - View Dependent Claims (22, 23, 24, 25)
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26. A range backstop assembly comprising:
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(a) a container having an opening and serving for projectile entry; (b) a particulate flowable granulate material contained within the container for slowing down the entering projectiles; (c) a first medium for closing up the opening and allowing entering projectiles to pass through into the granulate material, the first medium comprising at least one permeable self-healing sheet; and (d) a second medium attached externally to the first medium for closing up the opening in a high-fire area of the first medium, the second medium comprising at least one permeable self-healing sheet.
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Specification