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Patent Searching and Data


Title:
METHOD FOR PRODUCING GLASS SHEET WITH CERAMIC COLORED LAYER
Document Type and Number:
WIPO Patent Application WO/2003/029160
Kind Code:
A1
Abstract:
A method for producing a glass sheet with a ceramic colored layer which involves forming, on the glass sheet (1), a laminate (4) comprising a colored layer (2) containing a low melting point glass powder and a heat−resistant pigment powder and contacting with the glass sheet and a releasing layer (3) containing a low melting point glass powder, followed by firing, wherein the low melting point glass powder in the colored layer (2) has a Bi2O3&sol SiO2 mole ratio of 0.275 or less, and the low melting point glass powder in the releasing layer (3) contains SiO2 and Bi2O3 in a Bi2O3&sol SiO2 mole ratio of more than 0.275 and precipitates crystals when it is fired as described above.

Inventors:
USUI HIROSHI (JP)
ONODA HITOSHI (JP)
MANABE TSUNEO (JP)
TAGUCHI SHUJI (JP)
Application Number:
PCT/JP2002/008383
Publication Date:
April 10, 2003
Filing Date:
August 20, 2002
Export Citation:
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Assignee:
ASAHI GLASS CO LTD (JP)
USUI HIROSHI (JP)
ONODA HITOSHI (JP)
MANABE TSUNEO (JP)
TAGUCHI SHUJI (JP)
International Classes:
C03C8/16; C03C8/14; C03C17/34; (IPC1-7): C03C17/34; C03C8/14
Foreign References:
JPS63265843A1988-11-02
EP0299672A21989-01-18
JPH0388736A1991-04-15
US4339257A1982-07-13
Attorney, Agent or Firm:
Senmyo, Kenji (38 Kanda-Higashimatsushitach, Chiyoda-ku Tokyo, JP)
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