Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Having hollow core or bladder enclosed within cover
Patent
1997-05-22
2000-02-08
Graham, Mark S.
Games using tangible projectile
Projectile, per se; part thereof or accessory therefor
Having hollow core or bladder enclosed within cover
A63B 4108
Patent
active
060222832
ABSTRACT:
The invention disclosed and claimed here is a padded inflatable game ball. The ball is a seamed ball consisting of a spherical rubber bladder, a layer of winding surrounding the bladder, a cellular sponge layer surrounding the winding, and seams and external skin panel sections surrounding the cellular sponge layer. The sponge layer provides padding under the skin panel sections. The seams are made of narrow strips of high density rubber which cover a relatively small section of the overall surface area of the sponge layer. This allows outgassing of the sponge layer as it is foamed during the ball manufacturing process.
REFERENCES:
patent: 3119618 (1964-01-01), Molltor et al.
patent: 3506265 (1970-04-01), Yugi
patent: 5636835 (1997-06-01), Schindler et al.
Liang Dominnik
Schindler Edgar C.
Graham Mark S.
Kaser Bruce A.
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