Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Reexamination Certificate
2002-08-28
2008-08-19
Heitbrink, Jill L (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
C264S328140, C425S543000, C425S548000, C425S558000
Reexamination Certificate
active
07413696
ABSTRACT:
A method for the production of elastomer and duromer molded items in an injection molding process using an injection molding machine with a respectively separately heatable filling unit, injection unit and cross-linking tool. The filling unit is heated to a temperature which is non-critical with regard to the cross-linking reaction of the plastic to be treated. The injection unit is heated to a temperature which is slightly below the cross-linking temperature of the molding material used.
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Eping Udo
Gross Heinz
Malig Christop
Schroiff Volker
Steinl Peter
Carl Freudenberg KG
Heitbrink Jill L
Kenyon & Kenyon LLP
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