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:
Nov. 24, 1987
Filed:
Mar. 12, 1984
Kazuo Aoki, Chibashi, JP;
Tsutomu Moteki, Sodegauramachi, JP;
Chisso Corporation, Osaka, JP;
Abstract
An improved process and apparatus for producing a uniform organic-filler-blended resin composition from a mixed material of a thermoplastic resin and a coarse organic filler raw material such as waste paper by the use of a specified extruder, without the necessity of fine-grinding of the organic filler raw material prior to feeding it into the extruder are provided, which process and apparatus are characterized by providing many projections and grooves surrounding them on the surface of an intermediate part of the screw in the extruder and specifying the size of the gap between the outer surface of the screw part and the inner surface of the cylinder opposed thereto.