Method for sealing a filter
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United States of America Patent
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Dec 23, 1997
Grant Date -
N/A
app pub date -
Mar 31, 1994
filing date -
Sep 17, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for sealing a ceramic filter by infiltrating a metal into an end of the filter. The process includes the steps of contacting the end of a porous ceramic filter with a molten metal, whereby the metal enters into the ceramic matrix to substantially fill the void space. The ceramic filter is cooled to form a filter having a ceramic-metal composite portion. The present invention also provides a filter having an infiltrated metal seal.
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