Ceramic foam filter having a protective sleeve
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United States of America Patent
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-
Oct 10, 1995
Grant Date -
N/A
app pub date -
May 2, 1994
filing date -
May 2, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
There is provided a composite ceramic foam filter having an outer edge which is surrounded by a protective sleeve, with the outer edge of the filter being bonded to the inner surface of the sleeve. The composite is preferably made by forming a ceramic sleeve having an opening therein, and forming a ceramic foam filter of a size and shape to fit the opening in the sleeve; placing the filter into the sleeve opening thereby forming a composite; and drying and firing the composite thereby bonding the filter to the sleeve, resulting in a single piece. Alternatively, a dried foam filter could be placed into the opening of an unfired sleeve and the two pieces are then fired together.
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