Method and device for cleaning a molding surface of a reusable lens mold
AssigneeNovartis AG
InventorHalina Heidrich
Life of this patent
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Abstract
A method for cleaning a molding surface (51) of a reusable lens mold (5), in particular of a reusable lens mold (5) for molding ophthalmic lenses such as soft contact lenses, comprising the steps of: generating a jet (3) of deionized water, exposing the molding surface (51) of the reusable lens mold (5) to the jet (3) of deionized water, wherein the jet (3) of deionized water has a circular full cone spray pattern and impinges on the molding surface (51) of the reusable lens mold (5), and wherein the circular full cone spray pattern has a uniform distribution of the volume flow of deionized water over the base of the cone of the circular full cone spray pattern.
Claims11
Method for cleaning a molding surface of a reusable lens mold for molding soft contact lenses, the method comprising the steps of:
- generating a jet of deionized water,
- exposing the molding surface of the reusable lens mold to the jet of deionized water,
- wherein the jet of deionized water has a circular full cone spray pattern and impinges on the molding surface of the reusable lens mold, and wherein the circular full cone spray pattern has the shape of a cone having a circular base.
Dependencies are inferred from the claim text.