Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 2, 2007
Patent Application Number
10651553
Date Filed
August 29, 2003
Patent Primary Examiner
Patent abstract
A method is provided for manufacturing a thin-walled honeycomb ceramic substrate by extruding a plasticized ceramic batch material through a filter screen having wedge shaped filter wires to remove foreign particulate and agglomerated batch material. The filter wires are supported by a set of support wires attached substantially perpendicular to the filter wires. The support wires are may also be advantageously wedge shaped. The filter screen of the present invention may have a wear resistant layer at the surface of the screen, typically a boride or a nitride. The wear resistant coating may also be a nickel-based coating.
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