Pneumatic play ball

Details Pneumatic play ball Pneumatic play ball

1990-12-06

1991-07-30

Marlo, George J.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273DIG20, 273 65A, A63B 4100

Patent

active

050354264

ABSTRACT:
A pneumatic play ball that includes an outer casing of non-stretchable material having a slit therein, the configuration of the casing depending on the nature of the ball. The casing encases a balloon of stretchable material which when unconfined is capable of being inflated to assume a generally globular form, the balloon having an air-passage stem. In its uninflated state, the balloon is inserted into the casing through an open port created by dilating the slit, the stem then projecting out of the port. After the confined balloon is inflated by blowing air through its stem to cause the balloon to conform to the inner surface of the casing and to assume the same configuration, the stem is knotted to seal the balloon. The knotted stem is pushed under the slit which, because the casing is subjected to tension by the inflated balloon confined therein, causes the slit to recover its undilated, substantially closed state whereby no portion of the encased balloon can be extruded from the casing when the ball bounces.

REFERENCES:
patent: 717229 (1902-12-01), Lott
patent: 4758199 (1988-07-01), Tillotson
patent: 4834382 (1989-05-01), Spector

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