Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SANITARY WARE
Document Type and Number:
Japanese Patent JP2002173384
Kind Code:
A
Abstract:

To provide sanitary ware which can harmonize lightness, whiteness and chromaticity not possible heretofore and has high cleanability and stainproofness.

This sanitary ware is glazed by a glaze composition obtained by using fine grain SnO2 powder for an opacifier and decreasing coloring components in glaze raw materials as far as possible and a transparent glaze composition. The lightness L* by CIE 1976 color specification system complying with JIS Z 8729 of the glazed surface of the ware described above is ≥90, the chromaticity a* is -2 to +2 and the chromaticity b* is -2 to 0. In addition, the surface roughness Ra on the surface of the surface glazing layer is below 0.07 μm by a feeler type surface roughness measuring instrument (JIS-B 0651).


Inventors:
Ishikawa, Hidemi
Hayashi, Koichi
Kasahara, Shingo
Application Number:
JP2000000367921
Publication Date:
June 21, 2002
Filing Date:
December 04, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOTO LTD
International Classes:
C04B41/86; C03C8/14; C03C8/20; C04B41/52; C04B41/89; (IPC1-7): C04B41/86; C03C8/14; C03C8/20; C04B41/89