Dispensing – With filter – Associated with vent passage
Patent
1991-04-01
1993-05-04
Kashnikow, Andres
Dispensing
With filter
Associated with vent passage
222563, 210234, 210418, B01D 2710
Patent
active
052073580
ABSTRACT:
An apparatus for isolating an underground piping system from dispensers having a filter assembly. The isolation apparatus includes a seal member and a securing member which replace an in-line filter assembly. The seal member has a similar cross-sectional shape of the filter with a pair of inner and outer seals. The securing member is receivable on a nipple adapter that the filter assembly was received on and abuts the back portion of the seal member to engage the seals against an outlet conduit of the underground piping system.
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DeRosa Kenneth
Dresser Industries Inc.
Kashnikow Andres
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