Process for sealing an end face of a ceramic honeycomb structure
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
Jun 27, 1996
filing date -
Jul 6, 1995
priority date (Note) -
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Abstract
A process for sealing an end face of a ceramic honeycomb structure includes introducing an expansive material which can be burned off, into through-holes not to be sealed, among through-holes of the honeycomb structure, expanding the expansive material to temporarily seal the through-holes not to be sealed, at their ends, filling a sealant into ends of through-holes to be sealed, and burning off the expansive material and sintering the sealant at the same time.
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