Golf ball and method for manufacturing the same
US9586094B2 · kind B2 · utility
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11Claims
0Family size
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Key dates
| Filing date | May 30, 2014 |
| Grant date | Mar 7, 2017 |
| Priority date | — |
| Expiry date | Aug 6, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/546
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for manufacturing a golf ball showing a great flight distance on driver shots for includes the steps of: preparing a rubber composition containing a base rubber, an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, a crosslinking initiator and a carboxylic acid and/or a salt thereof; heat pressing the rubber composition at a press temperature ranging from t-40° C. to t-15° C. to mold a spherical core, wherein t ° C. is a one-minute half-life temperature of the crosslinking initiator; and forming at least one cover layer covering the spherical core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.