Apparatus for washing lenses

Details Apparatus for washing lenses Apparatus for washing lenses

1991-01-18

1992-09-01

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

Electrically controlled

134 952, 134108, 134111, 134199, 134 953, B08B 302

Patent

active

051431017

ABSTRACT:
A lens washing apparatus includes a wash chamber, a reservoir for holding wash fluid, a pair of spaced nozzles facing each other, a lens support for holding a lens between the nozzles, a pump for squirting wash fluid through the nozzles onto the lens, a heater for heating the wash fluid, mechanism for maintaining a wash fluid vapor atmosphere in the wash chamber after the pump shuts off, and electronic elements for controlling the operation of the apparatus. A method for washing a lens includes the steps of impinging the lens surfaces with an organic volatile wash fluid during a wash cycle, shutting off the flow of wash fluid, allowing residual wash fluid to be drawn off the lens edge by fibers or filaments, and drying the lens in the presence of a wash fluid vapor atmosphere.

REFERENCES:
patent: 2127778 (1938-08-01), Lewis
patent: 2148009 (1939-02-01), Bing
patent: 2390757 (1945-12-01), Voris
patent: 2908923 (1959-10-01), Schlechter
patent: 3049133 (1962-08-01), Jacobs
patent: 3063083 (1962-11-01), Obitts
patent: 4546517 (1985-10-01), Caniglia
patent: 4784167 (1988-11-01), Thomas et al.
patent: 4960142 (1990-10-01), Robb et al.

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