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:
Jun. 13, 2006
Filed:
Jun. 04, 2001
Applicants:
Katsuaki Yamada, Seki, JP;
Hiroshi Ohtsubo, Seki, JP;
Hiroyuki Tashita, Wilsonville, OR (US);
Inventors:
Assignee:
Kai R&D Center Co., Ltd., Gifu, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/00 (2006.01); B26B 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blade with improved sharpness and durability is disclosed. The blade includes a base plate having an edge and a coating layer for coating the edge. The coating layer is formed of a material handling metal, and a tip of the coating layer is sharpened. It is preferred that an angle (Ba) between two tapered surfaces be between 15 to 45 degrees.