Golf ball manufacturing method
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United States of America Patent
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Apr 28, 2020
Grant Date -
Dec 28, 2017
app pub date -
Jun 20, 2017
filing date -
Jun 23, 2016
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Abstract
A method of manufacturing golf balls having a core and a cover of at least one layer encasing the core includes the steps of producing a core by molding and vulcanizing a rubber composition containing (A) a base rubber, (B) an α,β-unsaturated carboxylic acid and/or a metal salt thereof, and (C) an organic peroxide; and heat-treating the core for 1 to 24 hours at between 175 and 300° C. Golf balls which undergo little energy loss and have a high initial velocity can be obtained by this method.
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