Balls for sports

Details Balls for sports Balls for sports

A - Human Necessities

63

B

273/175

A63B 31/00 (2006.01) A63B 41/00 (2006.01) A63B 41/04 (2006.01)

Patent

CA 1130834

ABSTRACT OF THE DISCLOSURE There is provided a ball for sports in which an air injection valve attached to a rubber inner tube is covered by outer layers so as not to be exposed. An aperture for insertion of an air injection needle is provided in the outer layers so that it is in alignment with the hole for insertion of an air injection needle of the air injection valve.

342431

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