Method of producing products from rubber compositions

Details Method of producing products from rubber compositions Method of producing products from rubber compositions

1991-03-28

1992-05-19

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

208 23, 264123, 264145, 26421121, 264349, 264DIG65, 264DIG69, 264142, 366 79, 427384, 427422, 524 62, B29B 742, B29B 906

Patent

active

051146487

ABSTRACT:
A process for producing thermoplastic resin products where granulated or particulate vulcanized rubber is sprayed by a heated heavy paraffin distillate composition to form a first intermediate mixture composition. The first intermediate mixture composition is passed through a heating chamber on a conveyor and combined with particulate thermoplastic scrap material in an approximating weight percentage of 30% thermoplastic material to 70% first intermediate mixture material. The combination forms a second intermediate mixture composition which is masticated in a masticator and extruded through a single screw feed mechanism for pelletizing and producing thermoplastic resin products which are useful for molding.

REFERENCES:
patent: 2409437 (1946-10-01), LaCrosse
patent: 2461193 (1949-02-01), Banbury et al.
patent: 3386925 (1968-06-01), Dillhoefer
patent: 3991005 (1976-11-01), Wallace
patent: 4028288 (1977-06-01), Turner
patent: 4110420 (1978-08-01), Turner
patent: 4244841 (1981-01-01), Frankland
patent: 4795603 (1989-01-01), Nagayasu

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