| 摘要 |
The present invention provides a method of making a golf ball comprising a core and polyurethane cover. The present invention relates to a method of making a golf ball comprising the steps of: (a) forming a core, and (b) putting polyurethane cover composition into a first half mold and allowing the composition to be made to a given gel state; turning the first mold upside down so as to position it above a core half mold placing the core therein; clamping the molds and press molding to form an intermediate molded article of golf ball; putting the composition into a second half mold and allowing the composition to be made to a given gel state in the same manner as the step (i); positioning the second mold below the first mold; clamping the molds and press molding to cover the other half of the surface of the core with the polyurethane cover. |
