Polymer alloy bowling ball

Details Polymer alloy bowling ball Polymer alloy bowling ball

1979-11-09

1981-03-03

Marlo, George J.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273DIG9, 260 318M, 260 318XA, 156245, A63B 3714, A63B 3712

Patent

active

042536650

ABSTRACT:
A bowling ball having a thin viscous film deposited upon its surface from within the ball for increasing the coefficient of friction between the ball and the bowling lane. The film comprises a saturated plasticizer incorporated into the ball at the time of manufacture that slowly exudes from the outer shell over an extended period. The method comprises preparing a resin blend capable of being cured into a tough, durable material and mixing the resin blend with a plasticizer which is miscible with the liquid phase resin blend, but incompatible with the solid phase. Catalysts are admixed and heat is applied to the mixture to cure the resin blend into a tough and durable outer shell having a 72 Shore D hardness.

REFERENCES:
patent: 3068007 (1962-12-01), Satchell
patent: 4131277 (1978-12-01), Randolph

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