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. 27, 2011
Filed:
Jun. 30, 2009
Kenji Yamamoto, Kobe, JP;
Susumu Kujime, Takasago, JP;
Kenji Yamamoto, Kobe, JP;
Susumu Kujime, Takasago, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Abstract
A hard-coated material having a substrate coated with a wear resistant and easily removed film is provided. The film comprises laminated alternately in succession, a lower layer-A having a composition of formula TiM(CNO) and an upper layer-B having a composition of formula TiCrM(CNO). At least two lamination units are provided and the ratio in thickness of a singularity of the layer-B to a singularity of the layer-A is at least 2. The thickness of a singularity of the layer-A is within the range of 0.1 to 3μm both inclusive, the thickness of a singularity of the layer-B is within the range of 1 to 10μm both inclusive, and the total thickness of a plurality of the layers-B is at least 5 μm.