Method of washing a blind

Details Method of washing a blind Method of washing a blind

1999-01-26

2000-09-05

El-Arini, Zeinab

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 6, 134 7, 134 9, 134 29, B08B 312

Patent

active

061137065

ABSTRACT:
A method of washing a blind including the steps of contracting the blind while inserting offset ring-like portions of a coil-spring-like spacer formed of a wire having a specified diameter between adjacent louvers. The blind is then placed in a washing bath in a state where a gap, corresponding to the diameter of the wire, is formed between adjacent louvers. The blind is then placed on a fine particle layer of a mixed material. A vibration generator is driven to apply a vibration to the mixed material through the washing bath so that the fine particles in the mixed material are liquefied. The blind is then sunk into the fine particle layer due to its own weight through the liquefaction. The dirty materials deposited on the surfaces of the louvers are removed by the brushing action of the fine particles, which move in contact with the surfaces of the louvers. The above method is capable of satisfactorily removing even dirty materials that are insistently adhesively deposited on the surfaces of louvers in a short time by a simple operation.

REFERENCES:
patent: 4897122 (1990-01-01), Schreiber et al.
patent: 5062438 (1991-11-01), Micheletti
patent: 5700328 (1997-12-01), Kawanobe

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