Method for tinting contact lenses

Details Method for tinting contact lenses Method for tinting contact lenses

1987-09-11

1989-03-14

Crowder, Clifford D.

Printing

Intaglio

Processes

101 44, 8507, 351177, B41F 1700

Patent

active

048116629

ABSTRACT:
A method for tinting contact lenses which comprises the following steps: providing contact lenses, at least one transfer-pad printer, including a suitable ink of the desired tint, and at least one printing block carrying an iris pattern, attaching the contact lenses to lens mounts, aligning the mounted lens with the pad of the transfer-pad printer, inking the printing block, causing the pad to pick up the iris pattern from the inked block, and causing the pad to make contact with the mounted lens, thereby transferring the iris pattern as picked up from the block to the mounted contact lens. A system for tinting contact lenses is also provided.

REFERENCES:
patent: 4019436 (1977-04-01), Handweiler et al.
patent: 4543882 (1985-10-01), Ryder et al.
patent: 4559897 (1985-12-01), Urrea et al.
patent: 4705370 (1987-11-01), Johnson
patent: 4719657 (1988-01-01), Bawa

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