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:
Feb. 28, 2012
Filed:
Apr. 05, 2007
Norihiko Yamamura, Ibigawacho, JP;
Kazuya Naruse, Courtenay, FR;
Eiji Sumiya, Ibigawacho, JP;
Kosei Tajima, Ibigawacho, JP;
Norihiko Yamamura, Ibigawacho, JP;
Kazuya Naruse, Courtenay, FR;
Eiji Sumiya, Ibigawacho, JP;
Kosei Tajima, Ibigawacho, JP;
Ibiden Co., Ltd., Ogaki-shi, JP;
Abstract
An extrusion-molding machine according to the present invention comprises: a screw having a blade portion for extruding a molding material, the screw disposed in a tightly-closed space; and a die for molding an extruded molding material, wherein the space is maintained in a reduced-pressure atmosphere, and a high-hardness coat layer is formed at least on the blade portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile