Patent ID: 6129245
Filing Date: 2000-10-10
Classification: A47K

Abstract:
A washing system comprising:a plurality of dispensers, each dispenser including a positive displacement pump having an inlet to the positive displacement pump and an outlet from the positive displacement pump;a first collapsible container for containing liquid cleanser, the first collapsible container having an outlet;a second collapsible container for containing liquid cleanser, the second collapsible container having an outlet, wherein the first collapsible bag is located in a position above the second collapsible bag;at least one connecting tube for connecting in fluid communication the outlet of the first collapsible bag with the outlet of the second collapsible bag; anda supply line for coupling in fluid communication the first collapsible container and the second collapsible container to the inlet of each of the plurality of dispensers, the supply line having a first end and a plurality of second ends, the first end coupled in fluid communication with the at least one connecting tube at a location above a bottom of the second collapsible container, and the plurality of second ends connected in fluid communication to the inlets of the positive displacement pumps to permit the flow of liquid cleanser first from the first collapsible container and then from the second collapsible container under the vacuum caused by the positive displacement pumps.