Method of coloring a contact lens

Details Method of coloring a contact lens Method of coloring a contact lens

B - Operations, Transporting

41

M

B41M 1/30 (2006.01) B29D 11/00 (2006.01) B41M 1/34 (2006.01)

Patent

CA 2595563

Methods of coloring contact lenses are disclosed. The methods comprises a step of forming a cliché. The cliché comprises a piece of material having at least one depression formed therein. The methods also comprise a step of introducing a fluent colorant into the depression of the cliché. Still further, methods comprise a step of transferring at least some of the colorant from the depression to a contact lens.

L'invention concerne des procédés de coloration de lentilles de contact. Les procédés comprennent une phase de formation d'un cliché. Le cliché comprend un morceau de matériau présentant au moins un creux formé dans celui-ci. Les procédés comportent également une phase d'introduction d'un colorant fluant dans le creux du cliché. Les procédés comprennent en outre une phase de transfert d'au moins une partie du colorant depuis le creux sur une lentille de contact.

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