Composite bladder for game balls

Details Composite bladder for game balls Composite bladder for game balls

1990-04-02

1992-03-17

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 354, 428 366, 525123, 525131, 273DIG5, 273DIG6, 273 65B, B65D 3024

Patent

active

050967568

ABSTRACT:
A bladder for a game ball is formed from a composite film which is made from a mixture of polyurethane and polyvinylchloride.

REFERENCES:
patent: 3882191 (1975-05-01), Belatoni et al.
patent: 4169594 (1979-10-01), Crane
patent: 4513058 (1985-04-01), Martin
Polymer Handbook, 3rd Edition, J. Brandup & Immergut, J. Wiley and Sons, Inc., 1989, Ref. II, V-62.
Handbook of Common Polymers, Roff and Scott, Fibres, Films, Plastics, and Rubbers, Butterworth and Co., Ltd., 1971, Ref. I, p. 453.

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