Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1982-12-06
1984-11-13
Roberts, Edward L.
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
15 97R, 151035, 1523014, 1523016, 134 8, 134 9, B08B 102, A47L 2500
Patent
active
044823916
ABSTRACT:
An apparatus for cleaning a lighting fixture louver of the type which has parabolic cells that are open top and bottom. A cleaning roller of a graft polyol polyether urethane having an indentation load deflection of the order of 100 has a surface which consists of circumferentially discrete rows of individual cleaning lugs, and each row has enough lugs to clean an entire row of cells in a louver module, with a longitudinal and circumferential lug pitch equal to the pitch of the louver cells. Each cleaning lug has a perimetrical surface that may scrub the surface of the entire wall means of a cell, and has a radial depth slightly greater than the louver depth. The cleaning roller is journalled atop a cleaning liquid tank with its lower portion in the liquid, and a pressure roller surmounts the cleaning roller to press a louver onto the cleaning roller with a row of louver cells fully engaged with the row of cleaning lugs at the top of the roller. Rotation of the cleaning roller drives the louver endwise between the cleaning and pressure rollers. Drain pans return liquid that flows off the louver back into the tank.
REFERENCES:
patent: 2187585 (1940-01-01), Grigas
patent: 2287768 (1942-06-01), Eckstein
patent: 2761167 (1956-09-01), Bridgford
patent: 2843869 (1958-07-01), Hermance
patent: 2866995 (1959-01-01), Evensen
patent: 2929088 (1960-03-01), Wier, Jr.
patent: 3054381 (1962-09-01), Meichtry
patent: 3448479 (1969-06-01), Cademartori
Hall John F.
Pettingell Winslow L.
Foam Cutting Engineers, Inc.
Roberts Edward L.
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