Pleated filter element having improved side seam seal

Details Pleated filter element having improved side seam seal Pleated filter element having improved side seam seal

1986-03-17

1988-04-05

Fisher, Richard V.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

21049701, 55498, 55500, 55502, 55521, C01D 2706

Patent

active

047357207

ABSTRACT:
A pleated filter element comprising a sheet of filter material disposed in generally cylindrical configuration and having a series of longitudinally extending pleats. The pleats have outer radial extremities that lie on an outer circle and inner radial extremities that lie on an inner circle. The end pleats in the series terminate in side edges which are disposed in contiguous relation. A mass or bar of synthetic resin connects and encapsulates the side edges, and the connected end pleats have the same radial depth as the remaining pleats in the filter.

REFERENCES:
patent: 3407252 (1968-10-01), Pall et al.
patent: 3865919 (1975-02-01), Pall et al.
patent: 3867294 (1975-02-01), Pall et al.
patent: 4154688 (1979-05-01), Pall
patent: 4184966 (1980-01-01), Pall
patent: 4392958 (1983-07-01), Ganzi et al.
patent: 4419241 (1983-12-01), Hoffman
patent: 4512892 (1985-04-01), Ganzi et al.
patent: 4588464 (1986-05-01), Miyagi et al.

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