Inventors:
John J. Chiselko - Martinsville NJ
William H. Hulbert - Somerville NJ
Assignee:
Egan Machinery Company - Somerville NJ
International Classification:
B29B 106
Abstract:
A method and apparatus for feeding an additive, such as glass fibers, fillers, etc. , to a plastic resin in an extruder is disclosed. The additive is fed by means of a screw type feeder into the barrel of a plastics extruder or reciprocating screw plastifier at a location where the resin is molten and the resin pressure is low.