Golf club head and manufacturing method therefor
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United States of America Patent
Stats
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Apr 19, 2005
Grant Date -
Aug 12, 2004
app pub date -
Mar 6, 2003
filing date -
Feb 9, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A manufacturing method for a golf club head comprises steps of: forming a plurality of through holes and annular recessed flanges thereof on a crown plate, a sole plate and a side plate of a main body blank; preparing a plurality of carbon-fiber plates by carbon-fiber fabrics; inserting a plurality of carbon-fiber reinforcing members and an air-inflating bag into the main body blank; adhering the carbon-fiber plates to the corresponding annular recessed flanges; inserting the main body blank into a die assembly and then injecting air into the air-inflating bag to thereby support the carbon-fiber plates and the reinforcing members; drawing out the flat air-inflating bag and precise processing the finished main body to accomplish an end product.
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