Glass manufacturing – Apparatus made of special material
Reexamination Certificate
2005-04-19
2005-04-19
Chin, Peter (Department: 1731)
Glass manufacturing
Apparatus made of special material
C065S374120, C065S324000, C065S342000, C373S122000, C373S030000, C373S027000, C373S036000, C373S037000, C373S038000, C501S134000, C501S135000
Reexamination Certificate
active
06880365
ABSTRACT:
The use of blocks (1, 2, 3, 4) based on sintered tin oxide for producing the throat of a glass furnace.
REFERENCES:
patent: 4388721 (1983-06-01), Hall, Jr. et al.
patent: 4426217 (1984-01-01), Farrar et al.
patent: 5151918 (1992-09-01), Argent et al.
patent: 6200674 (2001-03-01), Kumar et al.
patent: 0 939 065 (1999-09-01), None
Chin Peter
Halpern Mark
Societe Europeenne des Produits Refractaires
Young & Thompson
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