Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Reexamination Certificate
2007-09-11
2007-09-11
Soohoo, Tony G. (Department: 1723)
Agitating
Rubber or heavy plastic working
Stirrer is through-pass screw conveyor
C366S082000
Reexamination Certificate
active
11244819
ABSTRACT:
A plasticating screw including a grating mixing section provided to enhance mixing of incompatible materials. The screw includes a mixing section including an inlet groove having a closed distal end, a discharge groove circumferentially spaced from the inlet groove, the discharge groove having a closed proximal end. Located between the inlet groove and the discharge groove is a land region is including at least one grating element that includes a plurality of grooves extending between the inlet groove and the discharge groove.
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Grossman Tucker Perreault & Pfleger PLLC
Soohoo Tony G.
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