Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
Patent
1977-03-18
1978-09-05
Cuchlinski, Jr., William A.
Liquid purification or separation
Filter
Supported, shaped or superimposed formed mediums
55524, 55DIG25, 210508, 210509, B01D 3916, B01D 3920
Patent
active
041118154
ABSTRACT:
A filter element for gas or liquid comprises a layer of glass, ceramic, metal, mineral wool or organic fibers containing, wholly within the layer, an apertured sheet, for example of steel or aluminum, the fibers being bound to one another throughout the layer and through the apertures, as well as to the sheet itself, by a synthetic resin such as silicone resin or polyurethane. The filter element is formed by mounting the apertured sheet a selected distance above a filter surface on which the fibers build up while a slurry containing the fibers is drained through the filter surface. When the fibers have built up to a predetermined distance above the sheet, the fibers containing the sheet are removed and the assembly impregnated with a synthetic resin and cured. Two or more grades of slurry mixture may be used in succession to produce a density grading through the thickness of the fibrous layer. In the case of cylindrical elements, end caps are fitted and made fluid tight by a synthetic resin, a taper fit or a gasket.
REFERENCES:
patent: 2746607 (1956-05-01), Hess
patent: 2768754 (1956-10-01), Briggs
patent: 3093583 (1963-06-01), Stoll
patent: 3347391 (1967-10-01), Steensen
patent: 3399516 (1968-09-01), Hough, Jr. et al.
patent: 3417013 (1968-12-01), Roberts
patent: 3763633 (1973-10-01), Soltis
patent: 3834547 (1974-09-01), Renjilian
Hunter George Sherwood
Hunter Susanne Phyllis
Walker Brian
Cuchlinski Jr. William A.
Process Scientific Innovations Limited
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