Process and apparatus for production of plastics containing addi

Details Process and apparatus for production of plastics containing addi Process and apparatus for production of plastics containing addi

1992-10-27

1994-07-26

Simone, Timothy F.

Agitating

Rubber or heavy plastic working

With specified feed means

366 85, 366158, 366181, 425208, B01F 708, B28C 706

Patent

active

053323084

ABSTRACT:
A process and apparatus for the production of plastic material containing an additive in which the plastic material is supplied into a mixing tank to undergo vigorous mixing therein and the mixed plastic material is discharged by an extrusion screw at the bottom of the tank into a conveying cylinder in which the extrusion screw extends. The mixed plastic material is conveyed by the screw in the conveying cylinder for discharge of the plastic material at a discharge outlet. The plastic material is heated in the conveying cylinder to achieve melting of the plastic material and the additive is supplied to the melted plastic material within the conveying cylinder so that the additive is thoroughly mixed with the melted plastic material before discharge thereof at the discharge outlet.

REFERENCES:
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patent: 2102255 (1937-12-01), Campbell
patent: 3312374 (1967-04-01), Whitlock
patent: 3704076 (1972-11-01), Bodunov
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patent: 3868093 (1975-02-01), Sokolow
patent: 4428679 (1984-01-01), Fischer
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patent: 4514163 (1985-04-01), Nakamura
patent: 4544279 (1985-10-01), Rudolph
patent: 4649005 (1987-03-01), Kobayashi
patent: 4938605 (1990-07-01), Friedrich

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