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:
Jan. 30, 2001
Filed:
Jan. 07, 1999
Applicant:
Inventors:
Nobuhisa Kobayashi, Hiroshima, JP;
Yukio Imamura, Hiroshima, JP;
Assignee:
The Japan Steel Works, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B28C 7/16 ; B29B 7/46 ;
U.S. Cl.
CPC ...
B28C 7/16 ; B29B 7/46 ;
Abstract
In a twin extruder wherein an underwater cutting apparatus,is connected, via a gear pump,, to an discharge port,of a cylinder,which houses therein twin screws both ends of which are supported, both sides of both screws,are material conveying sections,having flights of small lead, the downstream sides of the respective material conveying sections,are kneading sections,having flights of large lead, both kneading sections,are connected about the center of the screws,, and the cylinder,positioned at the center of the screws,is provided with the discharge port