Multilayer precision wound filter cartridge

Details Multilayer precision wound filter cartridge Multilayer precision wound filter cartridge

1986-04-22

1987-04-28

Fisher, Richard V.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

55487, 55520, 210491, 210492, 2104941, 2104971, B01D 2948, B65H 8100

Patent

active

046607790

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.

REFERENCES:
patent: 3334752 (1967-08-01), Matravers
patent: 3648846 (1972-03-01), Sicard

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