Apparatus and method for manufacturing gas-filled balls with pre

Details Apparatus and method for manufacturing gas-filled balls with pre Apparatus and method for manufacturing gas-filled balls with pre

1978-06-26

1981-02-17

Marlo, George J.

Amusement devices: games

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

Target

53 88, 53403, B65B 3104, A63B 4112

Patent

active

042510732

ABSTRACT:
A tennis ball, racquet ball or other gas-filled ball is inflated with air or gas to such a degree that the ball will precisely balance a given applied force on the ball producing a given deflection of the ball. No attempt is made to achieve uniform internal pressure in inflated balls. The method instead attains a uniform and precise stress-strain relationship. The method of manufacturing produces substantially superior balls in terms of uniformity of play characteristics including bounce.

REFERENCES:
patent: 1023904 (1912-04-01), Wemple
patent: 1630110 (1927-05-01), Cole
patent: 2819573 (1958-01-01), Whittington
patent: 3932977 (1976-01-01), Ringler
patent: 3974622 (1976-08-01), Stubblefield
patent: 4031688 (1977-06-01), Wasserman
patent: 4114350 (1978-09-01), Snyder

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