Method of making a cross-flow honeycomb structure
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United States of America Patent
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Aug 26, 1997
Grant Date -
N/A
app pub date -
Jun 26, 1995
filing date -
Jun 26, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention is directed to a novel method for extruding a honeycomb structure. The method comprises the use of an extrusion die with primary and secondary feed holes and associated discharge slots, wherein extruded material exits the primary discharge slots at a faster rate than the secondary discharge slots. The faster moving extruded material buckles and forms a corrugated layer in between the two secondary extruded layers. The secondary extruded layers form straight cells. The material to be extruded maybe ceramic, plastic or metal.
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