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:
Jan. 07, 1997
Filed:
Aug. 16, 1995
Hiroshi Hamashima, Sendai, JP;
Kyocera Corporation, Kyoto, JP;
Abstract
A golden-colored sintered product having a high hardness, strength, Young's modulus (rigidity) and excellent oxidation resistance and corrosion resistance and is useful as a sliding material, golden-colored ornamental material exhibiting beautiful color tone and as an abrasion-resistant material for such applications as a wall material, a timepiece material, brooches, necklaces, medals, buttons, fishing tools and the like, and to a method of preparing the same. The golden-colored sintered product has, as constituent elements, at least titanium, nitride and boron, and comprises 67 to 78% by weight of titanium, 6 to 15% by weight of nitrogen and 6.5 to 21.0% by weight of boron, wherein the carbon content is 3% by weight or smaller, titanium nitride and titanium boride are present as crystal phases in said sintered product, and crystal grains of said titanium nitride are linked to each other like chains.