Plastic article or earthenware shaping or treating: apparatus – With separate and distinct upstream agitating or kneading means – Within pressurizing chamber
Patent
1982-11-05
1984-04-17
Silbaugh, Jan H.
Plastic article or earthenware shaping or treating: apparatus
With separate and distinct upstream agitating or kneading means
Within pressurizing chamber
2643284, 2643285, 425543, B29F 104, B29F 108
Patent
active
044431759
ABSTRACT:
There is described, apparatus and method for runnerless transfer molding of thermoset compounds, comprising feeding plasticized compound directly into dies through gates and nozzles by means provided to transfer plasticized compound extrudate into a cylinder to be forced by a ram directly into the dies through nozzles and gates, and wherein cured compound in the cylinder may be readily withdrawn from said cylinder by withdrawal of the ram from said cylinder, and cured sprue of compound removed from said ram.
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Modern Plastics, Dec. 1966, page 97, "A New Day for Thermosets".
Plastics Eng. Handbook, 4th Ed. Van Nostrand, Reinhold Co., pp. 223-226, "Screw Transfer Molding".
Rose Allen J.
Rose Robert H.
Johnson Robert T.
Silbaugh Jan H.
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