Method for manufacturing golf ball
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United States of America Patent
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Jul 4, 2017
Issued Date -
N/A
app pub date -
May 31, 2013
filing date -
Jun 1, 2012
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Abstract
An object of the present invention is to provide a novel method of manufacturing a golf ball comprising forming a spherical core having less-variable compression deformation amount and stabilized properties. The present invention provides a method for manufacturing a golf ball, comprising the steps of: blending (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, (d) a carboxylic acid and/or a salt thereof having a number-average particle size ranging from 15 μm to 60 μm, and (e) where necessary a metal compound to prepare a core rubber composition; molding the core rubber composition into a spherical core under specific conditions; and forming at least one cover layer on the spherical core.
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