Self-fixturing filter
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United States of America Patent
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Nov 12, 2002
Grant Date -
N/A
app pub date -
Nov 14, 2000
filing date -
Nov 14, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A filter (110) is provided with a fixture (70) having a first set of axially extending inner pillars (72, 74, 76, 78) defining a first cylinder (80) along inner bend lines (34) of inner pleat tips (32) of an annular pleated filter element (22), a second set of axially extending outer pillars (82, 84, 86, 88) defining a second cylinder (90) extending along outer bend lines (38) of outer pleat tips (36) of the filter element (22), inner and outer circumferential rings (92 and 94) extending around the respective first and second sets of pillars and circumferentially spacing and supporting such pillars, and a plurality of radial spokes (100, 102, 104, 106) at an axial end (98) of the fixture (70), each spoke extending radially between a respective inner and outer pillar and radially spacing and supporting respective inner and outer pillars in radially spaced concentric relation defining a reception annulus (108). The filter element (22) is axially slidable into the reception annulus (108) of the fixture (70) through an open axial end (96) of the fixture (70) and is stopped against the radial spokes (100, 102, 104, 106) closing the distally opposite axial end (98) of the fixture (70).
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