Honeycomb extrusion die apparatus
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United States of America Patent
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May 7, 2013
Grant Date -
Mar 3, 2011
app pub date -
Aug 27, 2009
filing date -
Aug 27, 2009
priority date (Note) -
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Abstract
Honeycomb extrusion die apparatus include a die body including a first set of die pins circumscribed by a second set of die pins. At least a portion of the end face of die pins of the second set of die pins are positioned along a peripheral surface extending at an oblique angle with respect to the extrusion direction. A lateral width of the open end of a plurality of discharge slots defined by the second set of die pins is larger than a lateral width of the open end of a plurality of discharge slots defined by the first set of die pins. Methods of making a honeycomb extrusion die apparatus are also provided.
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