Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1997-07-11
1999-11-30
Redding, David A.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15345, 15420, 15421, A47L 700
Patent
active
059919680
ABSTRACT:
A surface cleaning and material removal system allows for the cleaning of applied or built-up coatings, debris, and any other matter from a surface. The surface cleaning and removal system includes a housing having a base with a wall extending obliquely therefrom. The base and wall define a cavity which covers the specific portion of the surface to be cleaned at that very moment, although the system is typically on wheels or portably movable so as to clean a very large surface in incremental portions. The system also includes a high-pressure-fluid mechanism for providing a high or ultra high pressure fluid flow against the surface to be cleaned where the mechanism includes either brushes or high pressure jets from which ultra high pressure water flows. In addition, the system includes a vacuum for moving all of the cleaning fluid and coatings, debris and any other matter from the cavity. In at least some of the embodiments, the system includes flexible members, seals, or brushes about the periphery of the walls extending obliquely from the base so as to better seal the cavity while still allowing for movement over the surface to be cleaned. In addition, more than one flexible member, seal or plurality of bristles or brushes may be present thereby defining a circumferential chamber therebetween which is fluidly connected to both the interior cavity and the environment so as to provide a better vacuum for better assuring that all of the cleaning fluids and coatings, debris, and any other matter are removed from the cavity and do not leak therefrom.
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Crock Terry
Moll Frank J.
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