Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1996-02-23
1997-07-01
Coe, Philip R.
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
B08B 304, B08B 302
Patent
active
056427468
ABSTRACT:
A flushing system for a recreational vehicle grey water holding tank including a water supply line having a upright air containing line with a closed outer end and with its inner end confluent with the supply line, an on-off valve downstream of the air containing line and a one way valve in the supply line. The inner end of the supply line extending into the tank confluently connected to an upright pipe with a spray nozzle on the top end thereof.
REFERENCES:
patent: 3536081 (1970-10-01), Riess
patent: 3719191 (1973-03-01), Zimmerly
patent: 4527295 (1985-07-01), Lacore
patent: 4550453 (1985-11-01), Norman
patent: 4667351 (1987-05-01), Williams
patent: 4868932 (1989-09-01), Thoma et al.
patent: 5524655 (1996-06-01), Powers et al.
Coe Philip R.
Shall Harold D.
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