Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
Patent
1996-10-29
1998-06-16
Walker, W. L.
Liquid purification or separation
Filter
Supported, shaped or superimposed formed mediums
210495, 210498, 210499, 264156, 264255, 264273, 264274, 264DIG48, 55495, 55502, 55DIG5, 55DIG31, B01D 2905
Patent
active
057664722
ABSTRACT:
A method and apparatus for a filter assembly having a filter element with a plurality of openings encapsulated in a filter element carrier in a first molding operation, which may include formation of first and second channels on first and second side portions of the filter element carrier. One or more first holes are also formed through the filter element carrier in the first operation, wherein the first holes interconnect the first side portion of the filter element carrier and the second side portion of the filter element carrier so as to expose filter element portions encapsulated therebetween. A first sealing element is formed on the first side portion of the filter element and a second sealing element is formed on the second side portion of the filter element with a molten sealing element material in a second molding operation. The first sealing element formed on the first side portion of the filter element carrier is interconnected to the second sealing element formed on the second side portion of the filter element carrier by a third sealing element formed through openings of the filter element portion exposed by the first holes through the filter element carrier so as to form a unitary sealing element.
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Illinois Tool Works Inc.
Walker W. L.
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