Method for producing a base of a catalyst carrier for automobile exhaust gas-purification
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United States of America Patent
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Jun 21, 1988
Grant Date -
N/A
app pub date -
Mar 27, 1987
filing date -
Mar 31, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a carrier for a catalyst for purifying exhaust gas, a honeycomb is formed by coiling a corrugated sheet and a flat sheet together, and is mounted in an outer cylinder. An Al (alloy)-clad foil or hot-dip Al (alloy) galvanized foil is used to form the honeycomb, which is heat treated in a vacuum or a reducing atmosphere to simultaneously bond the corrugated sheet and flat sheet together and also bond the honeycomb to the outer cylinder, and to diffuse Al into the foil.
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