Leather manufactures – Machines – Fluid-treating apparatus
Patent
1979-10-09
1981-03-10
Lawson, Patrick D.
Leather manufactures
Machines
Fluid-treating apparatus
62 12, 68 18R, C14C 100, D06F 2900, F25J 500
Patent
active
042546460
ABSTRACT:
A method and apparatus for continuously controlling of the cleaning of suede and leather garments comprising a plurality of tanks each containing a slightly different cleaning fluid. Each of the tanks is preferably continuously filtered for soluble impurities and is selectively communicable to a washing device into which is introduced the garments. An additional amount of cleaning fluid is added to the wash device approximately equal in weight to the weight of the garments to be washed. A further additional amount of cleaning fluid is added which is approximately proportional to the weight of the garments being washed. After washing, the remaining liquid is returned to the original tank. In this manner the tank will be refilled to the original level and will overflow through an overflow aperture in an amount approximately equal to the further added cleaning liquid. The overflowed cleaning liquid will then be gathered in a sump tank and be pumped to a holding tank and subsequently be distilled to remove pure solvent therefrom. This solvent will pass through a reclaiming line to a position where it may be mixed with cleaning additives in the proper amount in order to match one of the cleaning liquids within one of the plurality of tanks. This new mixture will now be added to the wash cylinder in an amount equal to or proportional to the weight of the garments therein and as such the cycle will be completed. In this fashion, a method and apparatus is disclosed for continuously maintaining the desired condition of the cleaning liquids when washing leather and suede garments.
REFERENCES:
patent: 3915808 (1975-10-01), Wilcox
patent: 3977218 (1976-08-01), Zucchini
patent: 3990273 (1976-11-01), Scholten et al.
Kane John J.
Lawson Patrick D.
Sperry Albert
Zoda Frederick A.
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