Apparatus for producing organic filler-blended resin composition

Details Apparatus for producing organic filler-blended resin composition Apparatus for producing organic filler-blended resin composition

1984-03-12

1987-11-24

Thurlow, Jeffery

Plastic article or earthenware shaping or treating: apparatus

With separate and distinct upstream agitating or kneading means

With cutting, severing or comminuting means

2641772, 26421123, 26432818, 264349, 366 81, 366319, 425203, 425208, B29C 4764, B29C 4776

Patent

active

047086238

ABSTRACT:
An improved process and apparatus for producing a uniform organic-filler-blended resin composition from a mixed material of a thermoplastic resin and a coarse organic filler raw material such as waste paper by the use of a specified extruder, without the necessity of fine-grinding of the organic filler raw material prior to feeding it into the extruder are provided, which process and apparatus are characterized by providing many projections and grooves surrounding them on the surface of an intermediate part of the screw in the extruder and specifying the size of the gap between the outer surface of the screw part and the inner surface of the cylinder opposed thereto.

REFERENCES:
patent: 3101511 (1963-08-01), Heston
patent: 3235640 (1966-02-01), Carton et al.
patent: 3751015 (1973-08-01), Hensen et al.
patent: 3788612 (1974-01-01), Dray
patent: 3788614 (1974-01-01), Gregory
patent: 3797550 (1974-03-01), Latinen
patent: 4136969 (1979-01-01), Meyer
patent: 4415514 (1983-11-01), Dorrestijn et al.
patent: 4616989 (1986-10-01), Mewes et al.

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