Method of making filler-impregnated golf ball core

Details Method of making filler-impregnated golf ball core Method of making filler-impregnated golf ball core

2008-04-01

2008-04-01

Lee, Edmund H. (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

C264S328170, C264S328180

Reexamination Certificate

active

10309613

ABSTRACT:
A method of making a golf ball core comprising the steps of providing a first polybutadiene pre-impregnated with at least about 50 weight percent of a first filler; providing a second polybutadiene substantially free of the first filler; providing a free radical initiator and a crosslinking agent; mixing the second polybutadiene, the free radical initiator, and the crosslinking agent with the first polybutadiene to form a polybutadiene blend; and molding the polybutadiene blend into the golf ball core.

REFERENCES:
patent: 4714253 (1987-12-01), Nakahara et al.
patent: 4863167 (1989-09-01), Matsuki et al.
patent: 6162135 (2000-12-01), Bulpett et al.
patent: 6194505 (2001-02-01), Sone et al.
patent: 6315684 (2001-11-01), Binette et al.
patent: 6465546 (2002-10-01), Jackson et al.

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