Polyset Company, Inc.

Robert K Silvera

A high efficiency filter and method for its production. An array of tube-type sleeves, each sleeve composed of a filtering medium and joined longitudinally along its exterior surface to the adjacent sleeve, is expandably fixed into a framework and all margins of the array are sealed to the framework in order that a fluid passing orthogonally through the plane of the array and its frame must pass through at least two filtering surfaces. The process and machine used to make the aforementioned product start with a relatively narrow roll of filtration media and, through a series of steps, form, cut and glue the media so as to form the requisite sleeve structure and then by means of controlled curing, affix a predetermined number of the sleeves in to the desired array.

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Round Lake, NY, United States of America

Robert K Silvera