Oil filter cover

Details Oil filter cover Oil filter cover

1995-10-19

1997-12-30

Savage, Matthew O.

Liquid purification or separation

With drip, overflow or content draining feature

210443, B01D 2700

Patent

active

057025991

ABSTRACT:
A cover for use in blocking the openings in disposable oil filters for protection of the interior surfaces of new disposable oil filters from outside contamination and also for containment of residual oil within used disposable oil filters to prevent leakage of the used oil therefrom. The protective cover has a coverplate and a knob located on the upper surface thereof for attaching and removing the protective cover from a disposable oil filter. The protective cover may also have external threads on the perimeter of the coverplate for mating with internal threads on the disposable oil filter, an externally threaded inner shaft depending from the lower surface of the coverplate, a fixed or free-spinning knob, and studs for additional security in covering the openings located through the outer surface of the disposable oil filter.

REFERENCES:
patent: 3044475 (1962-07-01), Thompson
patent: 4507199 (1985-03-01), Carlisle
patent: 4574972 (1986-03-01), Saha

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