Method of making an electrically conductive game ball

Details Method of making an electrically conductive game ball Method of making an electrically conductive game ball

1979-09-21

1981-11-10

Marlo, George J.

Metal working

Method of mechanical manufacture

Electrical device making

29882, 29450, 29432, 273 61R, A63B 6100, H01R 4300

Patent

active

042990297

ABSTRACT:
A ball for playing a game, such as tennis, and having a plurality of unwoven electrical conductive networks which are formed by electrically conductive fibers and which extend at least partially on the outer surface of the ball. The ball is made by first needle punching an unwoven open mesh of electrically conductive fibers into the cloth cover of the ball, and then adhering the cover to the ball core so that the open mesh is positioned between the core and the cover.

REFERENCES:
patent: 2258174 (1941-10-01), Chawner
patent: 3009235 (1961-11-01), De Mestral
patent: 3396970 (1968-08-01), Fraser et al.
patent: 3854719 (1974-12-01), Supran
patent: 3883860 (1975-05-01), Von Kohorn
patent: 3927881 (1975-12-01), Lemelson et al.
patent: 4071242 (1978-01-01), Supran

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