Rain retardant screen

Details Rain retardant screen Rain retardant screen

1975-05-22

1977-04-12

Lutter, Frank W.

Gas separation

Residue access, handling or removing means

With heating or cooling means

55486, 55524, 55525, 98 37, 160DIG7, B01D 3910

Patent

active

040172821

ABSTRACT:
A device is presented which prevents rain drops from penetrating and which allows light and gas to be transmitted in a rain-free environment. The device is a screen assembly whose outer surface (toward outdoors) has a contact angle with water of greater than 90.degree. and whose inner surface has a contact angle with water of less than 90.degree..

REFERENCES:
patent: 1458984 (1923-06-01), Kunkel
patent: 2441819 (1948-05-01), Jensen
patent: 2453192 (1948-11-01), Bryant
patent: 2466948 (1949-04-01), Hemphill
patent: 2541838 (1951-02-01), Shardlow
patent: 3165470 (1965-01-01), Giesse et al.
patent: 3394533 (1968-07-01), Yishengli et al.
patent: 3507708 (1970-04-01), Vingnaud
patent: 3563474 (1971-02-01), Robinson
patent: 3631654 (1972-01-01), Riely et al.
patent: 3912474 (1975-10-01), Drews

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