Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Opposed registering coacting female molds
Patent
1991-04-24
1992-06-16
Simmons, David A.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Opposed registering coacting female molds
264278, 425468, 425577, B29C 4527
Patent
active
051220466
ABSTRACT:
An injection mold for producing a two-piece golf ball includes first and second cavities having mating hemispherical inner surfaces with retractable pins for supporting a solid core within the cavities spaced from the inner hemispherical surface. A runner system is provided in the mold for distributing flowable plastic material. A plurality of tunnel gates substantially equally spaced about the perimeter in one of the sections interconnect the inner hemispherical surfaces to the runner system with the tunnel gates being vertically offset from the parting line surface of the two sections. The pins support the solid core in its premolding condition such that the center of the core is slightly offset from the centerline of the mold in the direction of the inner hemispherical surface of the cavity containing the tunnel gates.
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Jarmuzewski Mario R.
Lavallee Gerald A.
Bahr Donald R.
Benoit John E.
Lisco Inc.
Matney, Jr. W. Jackson
Simmons David A.
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