Liquid purification or separation – Structural installation – Closed circulating system
Patent
1996-05-06
1997-09-02
McCarthy, Neil
Liquid purification or separation
Structural installation
Closed circulating system
210232, 210495, 21049701, E04H 416
Patent
active
056627971
ABSTRACT:
A fine mesh pre-filter for use in association with an exisiting swimming pool filter, the apparatus comprises a filter disc, the filter disc including a plurality of apertures extending therethrough; and an outer binding being affixed to the filter disc, in an operative orientation the filter disc being postioned upon an existing pool filter, the outer binding securing the filter disc to the pool filter, the filter disc filtering water before it is filtered by the pool filter thereby minimizing contamination of the existing pool filter.
REFERENCES:
patent: 2900079 (1959-08-01), Pace
patent: 3034653 (1962-05-01), Ward
patent: 3168470 (1965-02-01), Rhoda
patent: 3173865 (1965-03-01), Bosico
patent: 3184764 (1965-05-01), West
patent: 4545906 (1985-10-01), Frederick
patent: 5133854 (1992-07-01), Horvath
Green Theodore M.
McCarthy Neil
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