A ball and a method of manufacturing a ball

Details A ball and a method of manufacturing a ball A ball and a method of manufacturing a ball

A - Human Necessities

63

B

A63B 37/14 (2006.01) B29D 99/00 (2010.01) A63B 37/12 (2006.01) B29C 33/14 (2006.01) B29C 44/12 (2006.01) B29D 22/04 (2006.01)

Patent

CA 2446190

A spherical ball, for projection through the air to deviate from an expected trajectory, has a first hemisphere (12) and a second hemisphere (14). The surfaces (52, 54) of the first hemisphere (12) and the second hemisphere (14) are generally smooth, except for the provision of a simulated seam (53) which gives the ball the appearance of a baseball. An insert (40) of felt-like material is provided in the second hemisphere (14), with the surface of the insert (40) flush with the surface (54) of the hemisphere (14). When the ball is projected along the plane of the line (16) between the hemispheres (12, 14), it will deviate from that plane in the direction of the first hemisphere (12). The ball is manufactured by locating the insert (40) in a mould (60) and injecting polyurethane foam (64) into the mould (60) with the insert (40) bonding with the foam (64).

Balle sphérique destinée à être projetée dans l'air et à dévier d'une trajectoire attendue, qui possède un premier hémisphère (12) et un second hémisphère (14). Les surfaces (52, 54) du premier hémisphère (12) et du second hémisphère (14) sont généralement lisses, à l'exception d'une couture simulée (53) qui donne à ladite balle l'apparence d'une balle de base-ball. Un empiècement (40) en matière de type feutre se trouve sur le second hémisphère (14), la surface de l'empiècement (40) se trouvant au même niveau que la surface (54) de l'hémisphère (14). Quand la balle est projetée dans le plan de la ligne (16) située entre les hémisphères (12, 14), elle dévie de ce plan en direction du premier hémisphère (12). Ladite balle est fabriquée par mise en place de l'empiècement (40) dans un moule (60) et par injection de mousse de polyuréthanne (64) dans le moule (60), l'empiècement (40) adhérant ainsi à la mousse (64).

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