Plastic article or earthenware shaping or treating: apparatus – Stock pressurizing means operably associated with downstream... – Including heating or cooling means
Patent
1974-03-21
1976-05-04
Lazarus, Richard B.
Plastic article or earthenware shaping or treating: apparatus
Stock pressurizing means operably associated with downstream...
Including heating or cooling means
72271, B29D 2304
Patent
active
039543722
ABSTRACT:
This invention relates to machines for extruding high molecular weight polyethylene shapes or sheets and more particularly to an extruder having reinforcing braces around the barrel thereof, so arranged as to permit the extruder to successfully form material of higher density and quality and in larger sizes than has heretofore been possible.
REFERENCES:
patent: 521929 (1894-06-01), Cameron
patent: 2143549 (1939-01-01), Edmonds
patent: 3079638 (1963-03-01), Mille
patent: 3119148 (1964-01-01), Chambers et al.
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