Reinforced thin-shell molds

Details Reinforced thin-shell molds Reinforced thin-shell molds

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

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