Metallurgical apparatus – Means for holding or supporting work – Receptacle
Reexamination Certificate
2005-03-22
2005-03-22
Kastler, Scott (Department: 1742)
Metallurgical apparatus
Means for holding or supporting work
Receptacle
C266S280000, C501S103000
Reexamination Certificate
active
06869565
ABSTRACT:
The present invention relates to an article having an integrated contact surface, such as a melting vessel, and compositions for forming the article. The composition for forming the articles, such as melting vessels, includes from about 25% to about 99% binder material including clay and zirconia or a blend of alumina and zirconia. The composition also includes from about 1% to about 75% by weight of a filler material. The surface of the an article formed from the composition, such as a melting vessel, essentially is comprised of the binder material. The body of the melting vessel includes a blend of binder material and filler material. The present invention also relates to a process for making an article, such as a melting vessel from the composition.
REFERENCES:
patent: 5335833 (1994-08-01), Rancoule
patent: 5370370 (1994-12-01), Benson
patent: 5373976 (1994-12-01), Rancoule et al.
patent: 5403794 (1995-04-01), Morris et al.
patent: 5972102 (1999-10-01), Vezza
patent: 363265870 (1988-11-01), None
English language Translation of Japanese 63265870 A, Nov. 2, 1988.
Hofmann David
Jones Roger D.
Fireline, Inc.
Kastler Scott
Spiegel H. Jay
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