Tool for cleaning overhanging surfaces, such as ceilings and...

Details Tool for cleaning overhanging surfaces, such as ceilings and... Tool for cleaning overhanging surfaces, such as ceilings and...

A - Human Necessities

47

L

15/42.3

A47L 11/16 (2006.01) A47L 11/18 (2006.01) E01H 1/00 (2006.01) E01H 1/10 (2006.01)

Patent

CA 1330851

- 13 - DESCRIPTIVE ABSTRACT Cleaning tool for arches (7). The tool (10) comprises a tank (11) open towards the arch (7) and in contact therewith by sealing borders (15). The tank (11) is deformable (20,22,23) and bears elastic- ally (62) against a mobile arm (2). The curvature of tank (11) is regulated (53) as a function of that of the arch (7). The used water is recovered (pipe 45). Application to underground railway cleaning in particular and to all types of tunnels in general.

610126

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