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:
Apr. 01, 2014
Filed:
Aug. 06, 2010
Applicants:
Noriaki Masuda, Otsu, JP;
Kentaro Ishihara, Otsu, JP;
Kazuo Kinoshita, Otsu, JP;
Katsuhiro Ito, Otsu, JP;
Inventors:
Noriaki Masuda, Otsu, JP;
Kentaro Ishihara, Otsu, JP;
Kazuo Kinoshita, Otsu, JP;
Katsuhiro Ito, Otsu, JP;
Assignee:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47G 19/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A tablet includes a bismuth-based glass and a refractory filler, wherein the bismuth-based glass comprises, as a glass composition, in terms of mass %, 70 to 90% of Bi2O3, 2 to 12% of B2O3, 0 to 5% of Al2O3, 1 to 15% of ZnO, 0 to 10% of BaO, and 0 to 8% of CuO+Fe2O3; the tablet comprises 1 to 25 vol % of alumina as the refractory filler; and the filling ratio of the tablet is 71% or more.