Golf ball injection mold

Details Golf ball injection mold Golf ball injection mold

1998-09-10

2000-07-18

Davis, Robert

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Opposed registering coacting female molds

264278, 2642791, 26432812, 425120, 425573, B29C 4514, B29C 4522, B29C 4534

Patent

active

06089847&

ABSTRACT:
A golf ball injection mold defines a spherical cavity therein. A parting plane is situated substantially at an equator of the cavity. A plurality of gates are disposed nearly along the equator. At least one gate is disposed nearly at a position corresponding to the cavity's north pole and at least one gate disposed nearly at a position corresponding to the cavity's south pole. A molding material is injected from an injection molding machine into the cavity through the gates. A steric arrangement of gates adapted to the cavity geometry permits a cover or intermediate layer of a uniform thickness to be formed around a core.

REFERENCES:
patent: 2031786 (1936-02-01), Oldham
patent: 2361348 (1944-10-01), Dickson et al.
patent: 4959000 (1990-09-01), Giza

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