Die for extruding a honeycomb structural body and a method...

Details Die for extruding a honeycomb structural body and a method... Die for extruding a honeycomb structural body and a method...

B - Operations, Transporting

28

B

205/10

B28B 3/20 (2006.01)

Patent

CA 1143337

Abstract of the Disclosure A die for extruding a honeycomb structural body for a catalyst support, which catalyst removes harmful gases in exhaust gas, composing of an integral metal block provided with (a) one surface provided with a plurality of circular perforated holes A having a given depth and a given pattern and a grid-formed slits conforming to a cross- sectional shape of a honeycomb structural body to be extruded and (b) another surface provided with a plurality of perforated holes B having a given depth and a given pattern, said slits connecting to the holes B, having a smaller width than a diameter of the holes A and passing through center of the holes A. Said die is manufactured by providing the slits after perforating the holes A.

359495

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