Mini-ball insertion mechanism for forming golf ball cores

Details Mini-ball insertion mechanism for forming golf ball cores Mini-ball insertion mechanism for forming golf ball cores

B - Operations, Transporting

29

C

B29C 43/18 (2006.01) B29D 99/00 (2010.01) B29C 31/08 (2006.01) B29C 70/70 (2006.01)

Patent

CA 2431021

A method and apparatus for forming golf ball cores with a spherical nucleus (22) at its center is characterized by a transfer plate (10) which insures that the nucleus is centered within the core. The core is formed in upper and lower mold plates (2, 4) which contain upper and lower hemispherical cavities (6, 8), respectively, which mate to define a spherical cavity. The transfer plate is arranged between the mold plates and includes a support for the nucleus to position the nucleus in the center of a pair of upper and lower slugs (24, 18) of core material which are molded in the upper and lower cavities. When the mold plates are initially brought together with the transfer plate arranged therebetween and with the slugs arranged on opposite sides of the transfer plate, the slugs are partially molded in the cavities with the nucleus being pressed into one of the slugs.

Procédé et dispositif pour former des parties centrales de balles de golf qui comportent un noyau (22) sphérique en leur centre, caractérisés par une plaque (10) de transfert permettant d'assurer que le noyau est centré à l'intérieur de la partie centrale. La partie centrale est formée dans des plaques (2, 4) de moulage, supérieure et inférieure, qui contiennent des cavités (6, 8) hémisphériques, respectivement supérieure et inférieure, s'assemblant de manière à définir une cavité sphérique. La plaque de transfert est placée entre les plaques de moulage et comprend un support destiné à positionner le noyau au centre d'une paire de pièces (24, 18), supérieure et inférieure, faites de la matière de partie centrale et qui sont moulées dans les cavités supérieure et inférieure. Lorsque les plaques de moulage sont initialement réunies, la plaque de transfert se situe entre celles-ci et les pièces sur des côtés opposés de la plaque de transfert ; lesdites pièces sont partiellement moulées dans les cavités et le noyau est pressé dans l'une de celles-ci.

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