Method for tinting soft contact lenses

Details Method for tinting soft contact lenses Method for tinting soft contact lenses

1986-01-28

1986-11-04

Lawrence, Evan K.

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

Contact lens

351162, 427164, 4274301, D06P 502, B05D 506, B29D 1100

Patent

active

046208518

ABSTRACT:
A method and apparatus are provided. The method for tinting soft contact lenses comprises the steps of mounting a contact lens to a fixture of the apparatus including an inlet and an outlet for directing predetermined fluids therethrough for engagement with predetermined surfaces of the contact lens to tint the lens; mounting the fixture to a carrier in a predetermined orientation; guiding the carrier along a predetermined path of travel; arranging a plurality of fluid application stations along the predetermined path of travel, each fluid application station including a fluid release member; and further moving the carrier as it moves along said path of travel in a direction for aligning the inlet of the fixture with each of the fluid release members, in sequence, for delivering a quantity of fluid to the inlet.

REFERENCES:
patent: 4252421 (1981-02-01), Foley, Jr.
patent: 4457761 (1984-07-01), Sliger
patent: 4518390 (1985-05-01), Rabenau et al.

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