Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – Including support or guide means for disassembled element
Patent
1993-04-19
1995-05-23
Nguyen, Khanh
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
Including support or guide means for disassembled element
425188, 425190, 425442, 425468, 425577, 425DIG10, 249 64, 249172, 249184, 164340, 164341, 164342, 164346, B29C 4536
Patent
active
054175593
ABSTRACT:
A wax pattern molding process, employing a mold having a cavity and a core structure in the mold cavity that include closing the mold with the core structure positioned in the mold cavity; injecting flowing heated wax into the mold to flow about the core; allowing the injected wax to cool and solidify to form the wax pattern; removing the core structure from the solidified wax pattern, while the mold holds the pattern in position in the mold; and opening the mold and removing the unencumbered wax pattern from the mold.
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Callaway Golf Company
Haefliger William W.
Nguyen Khanh
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