Steam venting extruder feeder

Plastic article or earthenware shaping or treating: apparatus – Means feeding fluent stock from plural sources to common... – Extrusion shaping means

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Details

55189, 264349, 425200, 425203, 425546, 425584, 366 76, 366163, B29C 3110, B29C 4700

Patent

active

048924717

ABSTRACT:
A steam venting extruder feeder is provided for gravity feeding of flowable solid materials into a food extruder downstream of the first normal first zone feed port. The steam venting extruder feeder feeds the material down a tube while simultaneously venting steam from within the extruder around the periphery of the feed tube inside an outer tube in which compressed air is forced to assist in the flow of steam and pulls air in with the feed material preventing steam condensation and build-up in the feed tube.

REFERENCES:
patent: 1183397 (1916-06-01), Newcomb
patent: 3157107 (1964-11-01), Kosar
patent: 3879155 (1975-04-01), Hendry
patent: 3985348 (1976-10-01), Skidmore
patent: 4110844 (1978-08-01), Nakamura
patent: 4185547 (1980-01-01), Nakazato et al.
patent: 4632564 (1986-12-01), Kopernicky
patent: 4636084 (1987-01-01), Kopernicky
patent: 4636085 (1987-01-01), Kopernicky
patent: 4642241 (1987-02-01), Noguchi
Baker Perkins MPF-50D Twin Screw Multi-Purpose Food Extrusion System-Operating Instructions.
Twin Screw Extrusion Technology--Werner & Pfleiderer Corporation.

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