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Integral molded grip and shaft
专利权人:
CALLAWAY GOLF COMPANY
发明人:
MURPHY, JAMES M.,REYES, HERB
申请号:
US19970920022
公开号:
US5947836(A)
申请日:
1997.08.26
申请国别(地区):
美国
年份:
1999
代理人:
摘要:
A composite shaft having an integral grip. The shaft comprises a plurality of plies of pre-preg composite sheet molded into a tubular shaft body. The shaft body has a grip directly molded on one end which may include a grip geometry and/or an ornamental pattern. To manufacture the shaft, plies of pre-preg may be wrapped around a bladder-covered mandrel in a predetermined manner and placed in a mold. The mold defines a cavity including, if desired, a selected grip geometry and/or ornamental design. The bladder is inflated, forcing the plies of pre-preg against the wall of the mold, and the mold is heated for a selected time to cure the plies. The grip of the shaft may be covered with a light coating material, providing a rubber-like feel.
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