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:
Dec. 25, 2007
Filed:
Mar. 11, 2005
Osamu Tatsuda, Takasago, JP;
Atsushi Shigeno, Takasago, JP;
Nobuki Nagami, Takasago, JP;
Masashi Konno, Takasago, JP;
Hiroyuki Takeda, Kobe, JP;
Osamu Tatsuda, Takasago, JP;
Atsushi Shigeno, Takasago, JP;
Nobuki Nagami, Takasago, JP;
Masashi Konno, Takasago, JP;
Hiroyuki Takeda, Kobe, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Abstract
In a die plate having a hardened surface for sliding a knife, a plurality of WC alloy platesare diffusion-bonded to a base metal, whereby the hardened surface h is formed. A plurality of nozzle holes. . . are formed on each of the WC alloy plates. Each of the WC alloy platesis formed into a shape having a thickness of 2.5 mm or more and two adjacent edges 20 mm or more in length, wherein each edge is 200 mm or less in length. The die plate has high freedom in an arrangement of nozzle holes to enable a close arrangement of a number of nozzle holes, has an extended life with hardly causing dropping-off of a member constituting a hardened surface, and can be produced with a minimized number of processes.