Method of making a golf ball product from fast-curling...

Details Method of making a golf ball product from fast-curling... Method of making a golf ball product from fast-curling...

2006-06-27

2006-06-27

Lee, Edmund H. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

C264S328180, C264S328600

Reexamination Certificate

active

07067081

ABSTRACT:
Golf ball products are made by reaction injection molding (RIM) fast curing thermoset polyurethane compounds. A polyurethane prepolymer and a curing agent are mixed and injected at low temperature and pressure into a closed mold where the reaction mixture gels. The mold is opened and the golf ball product is removed within 10–60 seconds after the injection step.

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