Screw press for drying elastomeric polymers

Details Screw press for drying elastomeric polymers Screw press for drying elastomeric polymers

1980-04-21

1981-12-08

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Stationary receptacle or tube with agitator or conveyor

100117, 100145, 241 821, 241 825, 366 87, 366 90, 366322, F26B 1720

Patent

active

043040543

ABSTRACT:
A screw press for drying elastomeric polymers and the like having a cylindrical barrel and intermixed, substantially solid and apertured, discontinuous screw flights for more quickly initiating pressure and temperature increase of polymer in the barrel without increasing the back-up restriction and final pressure at the discharge end of the barrel.

REFERENCES:
patent: 3304578 (1967-02-01), Clute
patent: 3461934 (1969-08-01), Waters
patent: 3480997 (1969-12-01), List
patent: 3524222 (1970-08-01), Gregory et al.
patent: 3652064 (1972-03-01), Lehnen et al.
patent: 3734148 (1973-05-01), McCully
patent: 3814563 (1974-06-01), Slaby et al.
patent: 3941535 (1976-03-01), Street

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