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US 2012/0128904 A1Published application
Tablet and exhaust pipe integrated with tablet
AssigneeNippon Electric Glass Co., Ltd.
InventorsNoriaki Masuda, Kentaro Ishihara, Kazuo Kinoshita, Katsuhiro Ito
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Abstract
A tablet comprises a bismuth-based glass and a refractory filler, wherein: (1) 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; (2) the tablet comprises 1 to 25 vol % of alumina as the refractory filler; and (3) the filling ratio of the tablet is 71% or more.
Claims13
A tablet, comprising bismuth-based glass and a refractory filler,
- wherein:
- (1) 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;
- (2) the tablet comprises 1 to 25 vol % of alumina as the refractory filler;
- and
- (3) a filling ratio of the tablet is 71% or more.
2 more elements
Dependencies are inferred from the claim text.