Method of molding a shaped article on a heated and insulated mol

Details Method of molding a shaped article on a heated and insulated mol Method of molding a shaped article on a heated and insulated mol

1996-10-24

1998-07-07

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

264301, 264306, B29C 4118

Patent

active

057763992

ABSTRACT:
A method of molding a shaped article includes the steps of providing a molding tool having an exposed surface for receiving a plastic powder resin to be melted thereagainst and an insulated surface; providing an insulating panel with insulated laminated alternating layers of fiberglass and silicone rubber and an inner core filled with silicone rubber and a plurality of hollow glass beads to prevent melting of plastic powder resin on the insulated surface; applying a plastic powder resin on the exposed mold surface and melting it thereon while exposing the insulating panel to the plastic powder resin remaining in powder form thereon for reclaiming and thereafter setting said melted plastic into a plastic article by cooling the plastic article and removing it from the molding tool.

REFERENCES:
patent: 5489410 (1996-02-01), Baumgartner et al.
patent: 5679432 (1997-10-01), Holmquest et al.

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