Metal founding – Miscellaneous – apparatus
Patent
1996-03-08
1997-07-29
Lin, Kuang Y.
Metal founding
Miscellaneous, apparatus
164 45, 425577, 425438, B22C 702
Patent
active
056514093
ABSTRACT:
Tooling for injection molding a wax pattern in connection with investment casting of a metal wood golf club head, in which the golf club head is a positive duplicate of the wax pattern and has a body having an exterior, a hollow interior accessible through an orifice, a weld rim surrounding the orifice, and at least one gate disposed on the weld rim. The tooling includes collapsible core means having a shape complementary to the interior of the golf club head and the wax pattern. The collapsible core means may be disassembled and removed from a wax pattern formed around the core means. The tooling also includes a tooling body that defines a sealable wax pattern cavity that is complementary to the exterior of the golf club head and includes passage means to allow injection of molten wax into the cavity. The tooling further includes gate forming means that include gating cavities disposed at those portions of the wax pattern cavity that are complementary to the gate or gates disposed on the weld rim of the golf club head.
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Brown Randall C.
Lin Kuang Y.
Niemin Porter & Co., Inc.
Struthers James F.
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