Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se – Utilizing surface to be reproduced as an impression pattern
Patent
1997-04-23
1999-11-16
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
Utilizing surface to be reproduced as an impression pattern
156189, 156194, 1563084, 264314, 264317, B29C 4310, B29C 7044, B29C 3502
Patent
active
059851970
ABSTRACT:
A process for manufacturing a golf-club head is disclosed comprising; shaping a fluid-removable core in the general form of the club head, placing a flexible inflatable bladder around the core, wrapping over the assembly of core and bladder at least one ply of fiber impregnated with a curable resin, placing the assembly of core, bladder, and impregnated fiber into a female mold, forming a cured part in the form of a golf-club head by inflating the bladder to force the plies against the inner surfaces of the mold and heating the mold to cure the resin, removing the cured part from the mold, disintegrating the fluid-removable core with a fluid sufficient to allow removal of the bladder from the interior of the cured part through a hole in the cured part, removing the bladder through the hole with any residues of the core within the bladder to form a hollow molded club head with a hollow interior essentially free from non-functional materials.
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Clark Paul Nordstrom
Loughry Gregory Joseph
Milovich Dimitrije
Nelson Ronald H.
Poe Michael
Radius Engineering, Inc.
Silbaugh Jan H.
Sonntag James
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