Method of cleaning greenhouse roofs

Details Method of cleaning greenhouse roofs Method of cleaning greenhouse roofs

2006-01-23

2009-06-02

Barr, Michael (Department: 1792)

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

C015S049100, C015S050200, C015S052200, C015S250202

Reexamination Certificate

active

07540925

ABSTRACT:
The invention provides a method of cleaning greenhouse roofs mechanically to remove the accumulation of dust and grit. The method comprises at least one dust cleaning device moving over a soft roof The cleaning device is controlled to follow the irregular surface of the soft roof with limited pressure to avoid damage. The invention also provides a dust-cleaning system to remove dust and grit from the soft roof.

REFERENCES:
patent: 2226633 (1940-12-01), Namet
patent: 2408555 (1946-10-01), Hart
patent: 4392270 (1983-07-01), Magee
patent: 5323508 (1994-06-01), Sheldrake
patent: 6709529 (2004-03-01), Mekwinski

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