Compositions: ceramic – Ceramic compositions – Devitrified glass-ceramics
Reexamination Certificate
2006-06-06
2006-06-06
Group, Karl (Department: 1755)
Compositions: ceramic
Ceramic compositions
Devitrified glass-ceramics
C065S033100, C432S258000
Reexamination Certificate
active
07056848
ABSTRACT:
The support plate for transporting products during thermal treatment at firing temperatures is a nonporous keatite glass ceramic supporting member without a glassy surface layer. It has a nubby structure on an underside thereof and preferably C-shaped rounded edges. A method of making the keatite glass ceramic supporting member is described.
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patent: 5895767 (1999-04-01), Yamaguchi et al.
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patent: 0 220 333 (1987-05-01), None
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Patent Abstracts of Japan 05339021 A, Dec. 21, 1993.
Becker Otmar
Best Rainer
Bug Michael
Hahn Gerhard
Rodek Erich
Group Karl
Schott AG
Striker Michael J.
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