Multilayer precision wound filter cartridge
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United States of America Patent
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Apr 28, 1987
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N/A
app pub date -
Apr 22, 1986
filing date -
Apr 11, 1984
priority date (Note) -
Expired
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Abstract
A method for making a precision wound tubular shaped filter cartridge wherein a filter medium comprising a roving is wound about a central foraminous core to provide a base inner and an outer helical winds of roving each provided with pluralities of both axial and circumferential flow passages wherein the circumferential flow passages of the inner and outer wind are radially aligned at the interface of the winds to provide unrestricted flow paths between the inner and outer wind.
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