Apparatus and method for melting and conveying plasticated mater

Details Apparatus and method for melting and conveying plasticated mater Apparatus and method for melting and conveying plasticated mater

1982-06-28

1984-04-24

Coe, Philip R.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366319, B29B 106

Patent

active

044445075

ABSTRACT:
This invention is directed to an apparatus and method for melting and conveying plasticated material. The invention includes a screw conveyer which has a shaft with one or more helical flights rotating in the bore of the barrel of an extruder. At a location in the screw channel after which the melted material will be dispersed into the remaining solids bed, there is provided a groove in the shaft of the screw through which the semi-melted or agglomerated material is diverted by a protrusion which extends across the channel of the screw to the groove. The additional heat transferred to the material resulting from the enhanced distribution of melted and solid material which occurs as the semi-melted material is diverted through the groove and back into the screw channel improves the quality of the processed material.

REFERENCES:
patent: 3461497 (1969-08-01), Geyer
patent: 3957256 (1976-05-01), Murakami
patent: 4136969 (1979-01-01), Meyer

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