Apparatus for extruding dry powdered materials

Details Apparatus for extruding dry powdered materials Apparatus for extruding dry powdered materials

1974-12-09

1976-08-03

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

With separate and distinct upstream agitating or kneading means

Within pressurizing chamber

425142, 425311, 425377, 425461, 264148, B29F 306

Patent

active

039726665

ABSTRACT:
An apparatus for extruding dry powdered materials into stick form. The apparatus comprises a housing which contains a rotatable auger that conveys and extrudes the powdered material through an outlet orifice. The auger is composed of a pair of helical flight sections with the downstream flight section having a smaller pitch than the upstream flight section. The powdered material is fed to the upstream flight section through an inlet feed conduit and is extruded through the outlet orifice which is located adjacent the end of the downstream flight section and disposed generally transverse to the axis of the auger. The extruded powder rod is cut into short lengths which are conveyed to a collection area.

REFERENCES:
patent: 1054464 (1913-02-01), Soucek
patent: 2627089 (1953-02-01), Norwood
patent: 3063361 (1962-11-01), Gehrke
patent: 3128500 (1964-04-01), Cunningham
patent: 3230902 (1966-01-01), Grimm et al.
patent: 3278986 (1966-10-01), Welt
patent: 3366368 (1968-01-01), Hibbing
patent: 3806291 (1974-04-01), Hendrey

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