Automated cleaning method of exterior wall of building

Details Automated cleaning method of exterior wall of building Automated cleaning method of exterior wall of building

1995-10-26

1998-01-13

Warden, Robert J.

Cleaning and liquid contact with solids

Processes

Combined

134 42, 15 501, 15103, B08B 100, B08B 704, A47L 102

Patent

active

057074550

ABSTRACT:
An automated cleaning method is provided for an exterior wall of a building. Elongated, water-tight or electrically-insulating hollow members are accommodated within upper and lower sash rails constructing said exterior wall so that said hollow members continuously extend in horizontal directions, respectively. An electrical conductor extends in one of the hollow members. The other hollow member forms a drainage. A cleaning apparatus main unit is arranged so that said cleaning apparatus main unit is supplied with electric power through said conductor to permit self-travelling in a horizontal direction along said exterior wall and is also supplied with washing water from said drainage to permit cleaning of a surface of said exterior wall. The washing water is drained into said drainage subsequent to the cleaning by said cleaning apparatus main unit. The washing water can be recirculated for reuse.

REFERENCES:
patent: 3646630 (1972-03-01), Russell
patent: 4809384 (1989-03-01), Yokota et al.

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