Inflatable game ball with sponge rubber carcass

Details Inflatable game ball with sponge rubber carcass Inflatable game ball with sponge rubber carcass

1996-10-02

1997-10-28

Wong, Steven B.

Games using tangible projectile

Projectile, per se; part thereof or accessory therefor

Having hollow core or bladder enclosed within cover

473604, A63B 4108

Patent

active

056812337

ABSTRACT:
A game ball comprises an inflatable rubber bladder, a layer of windings over the bladder, panels of sponge rubber over the wound bladder, rubber channels between adjacent panels of sponge rubber, and panels of cover material over the panels of sponge rubber. Before the panels of cover material are applied, the bladder, sponge rubber, and channels are cured in a heated mold to bond the rubber channels and the sponge rubber to the wound bladder. After the panels of cover material are applied, the ball is heat molded to bond the cover material to the rubber channels and the sponge rubber.

REFERENCES:
patent: 2494796 (1950-01-01), Brown
patent: 3119618 (1964-01-01), Molitor
patent: 3506265 (1970-04-01), Yugi
patent: 4187134 (1980-02-01), Svub et al.
patent: 4462590 (1984-07-01), Mitchell
patent: 4660831 (1987-04-01), Kralik
patent: 5320345 (1994-06-01), Lai
patent: 5542662 (1996-08-01), Kouzai et al.
patent: 5551688 (1996-09-01), Miller

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