Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1993-04-26
1994-03-15
Millin, Vincent
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273 65B, 273 65ED, A63B 4108
Patent
active
052941124
ABSTRACT:
A bladder for use in a sportsball such as a soccer ball or volleyball has good air retention and excellent durability. It is molded to substantially conform to a shape consistent with the shape of the sportsball. The bladder comprises a hollow inner core for holding pressurized air and having an air valve permanently sealed into a wall. At least two bands of a thermoplastic elastomer having a cylindrical shape and dimensioned to fit over the inner core are so positioned and molded under heat and pressure to form the bladder. The first and second bands are positioned over the inner core so as to be at about a 90 degree angle to one another. Any subsequent bands are positioned over the inner core at prescribed angles to the immediately previous band to ensure full coverage of the inner core with the bands.
REFERENCES:
patent: 3506265 (1970-04-01), Yogi
patent: 4093219 (1978-06-01), Pirand
patent: 4119592 (1978-10-01), Murphy
patent: 4258917 (1981-03-01), Murphy
patent: 4462590 (1984-07-01), Mitchell
patent: 4542902 (1985-09-01), Massino
patent: 5181717 (1993-01-01), Donntag et al.
Millin Vincent
Wilson Charles R.
Wong Steven B.
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