METHOD AND APPARATUS FOR MANUFACTURING A FLUID TREATMENT ELEMENT
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United States of America Patent
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Dec 22, 2016
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Jul 8, 2014
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Jul 9, 2013
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Abstract
A method of manufacturing porous fluid treatment elements includes forming a planar structure including a layer of thermally bonded particulate material. The fluid treatment elements are cut from the planar structure. Cutting a fluid treatment element from the planar structure includes moving a cutting tool part in an axial direction relative to the planar structure. The cutting tool part includes a cutting edge defining an edge of an orifice delimited by an inner tool surface extending from the cutting edge. At least a section of the inner tool surface is angled with respect to the axis of movement, such that a size of the orifice decreases in axial direction away from the cutting edge.
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