Heat treatment device comprising a refractory envelope

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United States of America Patent

PATENT NO 11920866
APP PUB NO 20210231374A1
SERIAL NO

17051988

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A device for the heat treatment of a product includes a housing, and a conveyor for conveying the product between an inlet of the housing and an outlet of the housing. The conveyor includes a screw which is mounted so as to turn in the housing according to a geometric axis of rotation and comprising an actuator for rotating the screw according to said axis, with ohmic heating of the screw. Accordingly, the housing comprises an envelope consisting of a refractory material through with the screw extends, said envelope being shaped in the form of a tube, the main inner surface of which follows contours of the screw.

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Patent Owner(s)

  • E.T.I.A.—EVALUATION TECHNOLOGIQUE, INGENIERIE ET APPLICATIONS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lepez, Olivier Lamorlaye, FR 16 27
Sajet, Philippe Lacroix Saint-Ouen, FR 13 19

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