Exhaust gas purifying filter using honeycomb monolith with random length sealing portions
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United States of America Patent
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Feb 24, 1998
Grant Date -
N/A
app pub date -
Apr 8, 1996
filing date -
Apr 12, 1995
priority date (Note) -
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Abstract
An exhaust gas purifying filter for removing carbon particles from combustion exhaust gas, having a honeycomb structural body, flow passages that are sealed alternately at both ends by means of sealing portions to form checkerboard patterns. In the exhaust gas purifying filter according to the invention, lengths of the sealing portions formed in the flow passages of the honeycomb structural body vary randomly. An exhaust gas purifying apparatus utilizing the exhaust gas purifying filter according to the invention is also disclosed.
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