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:
Apr. 06, 1999
Filed:
Jul. 16, 1998
Hideki Mizuguchi, Hiroshima, JP;
Shunji Ogoshi, Hiroshima, JP;
Nobuhisa Kobayashi, Hiroshima, JP;
Yukio Imamura, Hiroshima, JP;
Minoru Yoshida, Hiroshima, JP;
The Japan Steel Works, Ltd., Tokyo, JP;
Abstract
An object of the present invention is to provide a kneading and extruding machine which includes a screw type two-shaft kneader and a gear pump in which the degree of kneading melted resin material can be made uniform at the discharging port of the screw type two-shaft kneader. In the kneading and extruding machine of the present invention, the height of scraping flights or inverse flights of the screw in the discharging section of the screw type two-shaft kneader is determined to be an average of the inner diameter of the cylinder and the bottom diameter of the groove of the screw at the most.