Mold assembly

Details Mold assembly Mold assembly

1997-06-01

1998-12-01

Ryan, Patrick

Static molds

Providing substitution of alternatively used parts

Part having intelligence

249134, 249140, 249144, 425DIG44, B29C 3376

Patent

active

058433252

ABSTRACT:
A mold assembly has a cylindrical inner mold device, and a plurality of outer mold devices enclosing the cylindrical inner mold device. The inner mold device has a threaded interior engaging with a lower portion of a hollow threaded cover and a flange surrounding an outer periphery of the inner mold device. Each of the outer mold devices has a silicone mold and an aluminum mold enclosing an outer periphery of the silicone mold. Each of the silicone mold has at least a pattern cavity. A spacing is defined between the inner mold device and the outer mold devices. An upper annular retainer retains an upper portion of the mold assembly. A lower annular retainer retains a lower portion of the mold assembly.

REFERENCES:
patent: 820160 (1906-05-01), Wiest
patent: 949172 (1910-02-01), Elliott
patent: 1442334 (1923-02-01), McCulley
patent: 4300746 (1981-11-01), Schoen
patent: 5326521 (1994-07-01), East

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