Method for thermostamping thermoplastic composites

Details Method for thermostamping thermoplastic composites Method for thermostamping thermoplastic composites

1990-03-26

1991-09-17

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 26, 264257, 264322, 4251744, 4251748R, B29C 3512

Patent

active

050493230

ABSTRACT:
A method for thermostamping thermoplastic composites involves the steps of (a) convection heating of the composite to the glass transition temperature of the thermoplastic; (b) radio frequency heating of the composite from the glass transition temperature of the thermoplastic to the desired stamping temperature; and (c) stamping of the composite into the desired shaped article. The method provides for improved temperature uniformity throughout the composite prior to stamping thereof resulting in more uniform parts.

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