Plastic article or earthenware shaping or treating: apparatus – Means applying electrical or wave energy directly to work – Radiated energy
Reexamination Certificate
2011-08-16
2011-08-16
Gupta, Yogendra N (Department: 1744)
Plastic article or earthenware shaping or treating: apparatus
Means applying electrical or wave energy directly to work
Radiated energy
C425S175000, C425S375000, C264S219000
Reexamination Certificate
active
07997886
ABSTRACT:
A method and a system for forming a polymeric resin mold for molding plastic items, wherein the method includes: (a) using a rapid-prototyping process to create a polymeric resin shell having a configuration in the form of the mold; (b) introducing a reinforcing material into the shell; and (c) curing the shell. The system includes a rapid-prototyping apparatus that creates a plurality of the polymeric resin shells on a platform; a reinforcing material introduction apparatus that introduces a reinforcing material into each of the shells while the shells are on the platform to form a plurality of uncured molds on the platform; and a curing apparatus that cures the shells while they are on the platform.
REFERENCES:
patent: 5824260 (1998-10-01), Sauerhoefer
patent: 2003/0011106 (2003-01-01), Osaki
Align Technology Inc.
Grun Robert J
Gupta Yogendra N
Klein O'Neill & Singh, LLP
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