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:
Oct. 29, 2013
Filed:
Sep. 22, 2011
Applicants:
Chien-chih Kung, Taoyuan County, TW;
Ching-yu Tso, Taoyuan County, TW;
Shang-wanq Yeh, Taoyuan County, TW;
Hsiou-jeng Shy, Taoyuan County, TW;
Inventors:
Chien-Chih Kung, Taoyuan County, TW;
Ching-Yu Tso, Taoyuan County, TW;
Shang-Wanq Yeh, Taoyuan County, TW;
Hsiou-Jeng Shy, Taoyuan County, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28D 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fret saw includes a cutting wire and fixed abrasive grains provided on the cutting wire by electroplating. Each of the fixed abrasive grains includes a core and a hard film coated on the core. The core is 1 to 60 micrometers in diameter. The core is made of a material selected from the group consisting of a Ti metal and a Ti alloy. The hard film is 1 to 40 micrometers thick. The hard film covers about 30% to 90% of the surface of the core.