Method for the combined injection and compression molding of gol

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

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Details

2642711, 264294, 264296, B29C 4514, B29C 4318

Patent

active

057980713

ABSTRACT:
The invention includes a method of manufacturing a golf ball by placing a golf ball core into a preform mold cavity, injection molding a cover around the core, placing the resulting preform into a dimpled compression mold cavity and compression molding the cover to define a golf ball. The invention also includes injection molding a golf ball preform into an outer non-dimpled elongated spherical shape having an elongate axis, and compression molding a spherical golf ball from the preform in a substantially spherical dimpled compression mold cavity.

REFERENCES:
patent: 3068522 (1962-12-01), Nickerson et al.
patent: 3147324 (1964-09-01), Ward
patent: 4203941 (1980-05-01), Brooker
patent: 4765853 (1988-08-01), Hoffman
patent: 4959000 (1990-09-01), Giza
patent: 5006297 (1991-04-01), Brown et al.

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