A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/42.1
A47L 11/03 (2006.01)
Patent
CA 1070060
MACHINE FOR CLEANING A FABRIC WORKPIECE Abstract of the Disclosure A machine for cleaning a fabric workpiece, e.g., a so-called spotting machine, operates with a suction nozzle having a screen on which the workpiece is supported. The machine is portable, its casing containing a combination air blower and vacuum pump for generating the suction, and a water tank and pump assembly that provides water under controlled pressure and volume to an applicator tool whereby such water is applied to the workpiece. The size of the screen is restricted to enhance the suction effect, and the pressure of water to the tool is restricted to prevent the splashing of water and dis- lodged stain particles by controlling the impact velocity. These factors also ensure rapid withdrawl of the water by the suction nozzle and inhibit spreading of the water in the work- piece beyond the area to which it is applied. This process is aided by the shape of the tool which has a flat face for engaging the workpiece and forming a shield around the orifice from which the water flows. The pressure side of the air blower feeds a downwardly directed blowing nozzle situated just above the screen to enhance the drying effect, this air being heated by the blower motor. Solvents other than water can also be used.
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