Fluid handling – Processes – Cleaning – repairing – or assembling
Patent
1989-08-11
1990-07-31
Chambers, A. Michael
Fluid handling
Processes
Cleaning, repairing, or assembling
137 38, 1375278, 137544, 210136, 210169, F16K 5518, F16K 1500, F16L 5518, B01D 2130
Patent
active
049441019
ABSTRACT:
Disclosed is an apparatus and a related method for removing sand, trash and other materials from a spa, pool, aquarium or other fluid bodies and which includes a hollow, generally tubular member with an exhaust opening along the tubular member near the bottom end for venting fluid, and with a fabric bag fixed over the exhaust opening for passing the fluid but retaining the recovered material. One-way valve near the bottom end and in the exhaust opening ensure that fluid flow passes only upwardly through the tubular member and thereafter out of the exhaust opening.
REFERENCES:
patent: 1297603 (1919-03-01), Smith
patent: 1582399 (1926-04-01), Helander
patent: 3132364 (1964-05-01), Oxley
patent: 3360129 (1967-12-01), Powers
patent: 3538514 (1970-11-01), Schimert et al.
patent: 3630364 (1971-12-01), Johnston
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