US Patent 6877974 Split vent pin for injection molding
Patent 6877974 was granted and assigned to Acushnet Company on April, 2005 by the United States Patent and Trademark Office.
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Patent abstract
The present invention is directed to an apparatus and method for venting trapped air and gasses in a mold. The mold and method comprise or use at least one pin formed from multiple pin sections. When assembled, the pin sections provide space on the interior of the pin through which trapped air and gasses can escape from the mold. The present invention may also be used to assist in ejecting an object from the mold. The pins can have circular or non-circular cross-sections and also may have dimple-forming projections to conform to a golf ball dimple pattern.
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Patent Inventor Names
Paul A. Puniello0
Robert A. Wilson0
Date of Patent
April 12, 2005
0Patent Application Number
097424350
Date Filed
December 22, 2000
0Patent Primary Examiner
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US Patent 6877974 Split vent pin for injection molding
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