Method of manufacturing a ceramic honeycomb structural body and an extrusion die therefor
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United States of America Patent
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May 3, 1988
Issued Date -
N/A
app pub date -
Nov 5, 1986
filing date -
Oct 7, 1983
priority date (Note) -
Expired
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Abstract
Disclosed herein is a method of manufacturing a ceramic honeycomb structural body and a die for extruding a ceramic honeycomb structural body wherein the die includes molding slits having a profile corresponding to a sectional profile of a ceramic honeycomb structural body and ceramic raw batch material supply holes through which a ceramic raw batch material is supplied to the molding slits. The pitch ratio between a short side and a long side of the molding slits is substantially 1:.sqroot.3.
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