The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 04, 2017
Filed:
Mar. 02, 2011
Shigehisa Ueda, Tokyo, JP;
Kazuo Noda, Tokyo, JP;
Shigehisa Ueda, Tokyo, JP;
Kazuo Noda, Tokyo, JP;
SUMITOMO BAKELITE COMPANY LIMITED, Tokyo, JP;
Abstract
The kneading apparatusincludes a casing, a pair of elongated screwsrotatably provided in the casing. The screwsare arranged parallel and horizontally with respect to one another. The casinghas a main bodyand a screw containerprovided in the casing. The screw containerdefines a kneading sectiontherein. The screwincludes a screw axishaving an outer periphery, a first screw memberprovided on the outer periphery of the screw axisand a kneading memberprovided on the outer periphery of the screw axis. The first screw memberand kneading memberare provided in the kneading section. The screw, the first screw memberand the kneading memberrespectively have core portionshaving a surface and outer layersrespectively provided on the surfaces of the core portions. The screw containerand the outer layersare constituted of a nonmetallic material.