Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Projectile backstop
Reexamination Certificate
2005-01-04
2005-01-04
Graham, Mark S. (Department: 3711)
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Projectile backstop
Reexamination Certificate
active
06837496
ABSTRACT:
A backstop for decelerating and trapping projectiles generally includes a support structure having an inclined surface and a projectile trapping medium disposed on the inclined surface. The projectile trapping medium may be either a resilient granular ballistic medium or a combination of a ballistic medium with a hydrated super absorbent polymer (SAP) gel. Preferably, the support structure is made of a shock absorbing, foamed, fiber-reinforced concrete, such as SACON®. In embodiments, the support structure also includes an enclosure. Additives may also be mixed into the projectile trapping medium to control alkalinity and prevent leaching of heavy metals.
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Fransen Edward J.
Larson Steven L.
Malone Philip G.
Tom Joe G.
Weiss Charles A.
Felder Scott A.
The United States of America as represented by the Secretary of
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