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:
Sep. 05, 2006
Filed:
Sep. 25, 2003
Satoru Yamaguchi, Anjo, JP;
Yasunao Miura, Nagoya, JP;
Hiromi Katou, Kuwana, JP;
Denso Corporation, , JP;
Abstract
An extrusion molding apparatus comprises a shaping die for producing a ceramic molded product, and a screw extruder having built therein an extruding screw () for mixing while leading a ceramic material forward. The extruding screw () includes a pressing screw portion () having a first lead () and a dispersing screw portion () having a second lead () adjacent to a forward end () of the pressing screw portion (). The second lead () is formed in such a manner that the rear ends of all the second lead surfaces () at the rear end () of the dispersing screw portion () and the forward end of the first lead surface () at the forward end () of the pressing screw portion () are displaced from each other.