Slotted screen scallops for high loading pressures and method of

Details Slotted screen scallops for high loading pressures and method of Slotted screen scallops for high loading pressures and method of

1989-06-15

1991-05-14

Dawson, Robert A.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

291637, 291638, 55526, 72367, 100295, 210499, B01D 2900

Patent

active

050153838

ABSTRACT:
An elongated screen assembly, which in various forms, is useful as a scallop in a reactor, or as an underdrain for a gravity filter system, has a cross-section in a direction normal to its axis which is at least twice as wide as it is high. A method is also disclosed for manufacturing the screen assembly by pressing the opposed sides of a wrapped wire cylindrical screen assembly between a pair of plates which have radii of curvature which are different from each other and greater than the radius of curvature of the cylindrical screen assembly.

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Article in "Machinery", vol. 142, Jul. 1944, Lockheed.

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