Injection molding method and apparatus

Details Injection molding method and apparatus Injection molding method and apparatus

2004-12-27

2009-10-06

Huson, Monica A (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Utilizing special inert gaseous atmosphere or flushing mold...

Reexamination Certificate

active

07597829

ABSTRACT:
An injection molding method that modifies a surface of thermoplastic resin using a supercritical fluid that contains a solute, and molds the thermoplastic resin, includes the steps of injecting the thermoplastic resin into a mold cavity in a mold, a space being formed between the mold cavity and the surface of the thermoplastic resin, introducing into the space the supercritical fluid that contains the solute, and exhausting from the space the supercritical fluid that contains the solute.

REFERENCES:
patent: 6955781 (2005-10-01), Yusa et al.

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