Patent ID: 6227262
Filing Date: 2001-05-08
Classification: A47L,G05D

Abstract:
A process for filling the storage tank of an automatic floor-cleaning machine with a cleaning liquid comprising providing a fixed, large capacity storage tank for the preparation and storage of said cleaning liquid, providing a reservoir for a cleaning composition concentrate, providing a mobile automatic floor-cleaning machine having a storage tank for said cleaning liquid, providing said fixed storage tank with a feed pipe adapted for connection to a water supply and communicating with a liquid pipe connected to said reservoir to prepare said cleaning liquid, providing a discharge pipe from said fixed storage tank for said cleaning liquid located above said floor-cleaning machine and adapted for connection to the storage tank of said floor-cleaning machine whereby said cleaning liquid flows by gravity into the storage tank of said floor-cleaning machine, wherein said fixed storage tank has a volume at least corresponding to the volume of the storage tank of said floor-cleaning machine and the dimension of said discharge pipe is such that the filling time for the storage tank of said floor-cleaning machine is from 0.5 to 4 minutes.