Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1976-04-13
1977-05-03
Lindsay, Jr., Robert L.
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
15 3, 15 95, 51320, 118 72, 118 73, 134 6, 427348, 427416, B08B 700
Patent
active
040208575
ABSTRACT:
An apparatus and method are herein described for cleaning and waxing automobiles in commercial "car wash" operations without any need for mechanical buffing or polishing as, for example, with brushes. The surface of the car is first covered with a water soluble, agitated liquid cleaner which has been at least partially foamed. Then, the surface of the car is blasted with water soluble beads under sufficient pressure to apply a frictional cleaning motion to the liquid cleaner, but with insufficient pressure to damage the car surface by excessive abrasion. After the blasting step, the liquid cleaner and water soluble beads are rinsed by the application of a high pressure water spray thereto. If it is desired to wax the car surfaces, microcrystalline beads of dry, water soluble, carnauba wax are blasted against the car surfaces with sufficient pressure to cause frictional buffing and polishing of the surfaces, but insufficient pressure to damage the surfaces with abrasion. Then the car surfaces are rinsed with a water diluted silicone solution to remove any excess non-buffed wax and the surfaces are finally rinsed with clear water to remove any remaining water-solubles.
In one feature of the apparatus, nozzles are provided which both oscillate and are directional so that dispensed material is directed in an oscillating manner at the front portions of the car as the car approaches the nozzle and at the rear portions of the car as the car passes and moves away from the nozzle.
REFERENCES:
patent: 2536843 (1951-01-01), Dye
patent: 3142590 (1964-07-01), Hergonson
patent: 3395412 (1968-08-01), Derwin
patent: 3650281 (1972-03-01), Hurst
patent: 3702519 (1972-11-01), Rice et al.
patent: 3715227 (1973-02-01), Alburger
Lindsay, Jr. Robert L.
Yeung George C.
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