Apparatus for manufacturing gas-filled balls with precision

Details Apparatus for manufacturing gas-filled balls with precision Apparatus for manufacturing gas-filled balls with precision

1980-11-13

1982-02-02

Coan, James F.

Package making

Gas filling and/or evacuating of receptacle and closing

Pressure responsive and/or regulation

53 79, 73818, 273 61D, B65B 3108

Patent

active

043132898

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: 2628496 (1953-02-01), Wick
patent: 2819573 (1958-01-01), Whitt
patent: 2926705 (1960-03-01), Dorn
patent: 3665757 (1972-05-01), Hoag
patent: 3932977 (1976-01-01), Ringler
patent: 4114350 (1978-09-01), Snyder

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