Method for coating articles by mold transfer

Details Method for coating articles by mold transfer Method for coating articles by mold transfer

B - Operations, Transporting

29

C

B29C 39/08 (2006.01) B29C 37/00 (2006.01) B29D 11/00 (2006.01)

Patent

CA 2456036

A method for coating hydrogel and silicone hydrogel articles, and articles made by the method, are provided in which the coating is first applied to the molding surface in which an article-forming material will be cured to form the article. The method permits the thickness and uniformity of the coating to be more easily controlled than in known coating methods.

L'invention concerne un procédé de revêtement d'articles à base d'hydrogel et d'hydrogel silicone, et des articles ainsi revêtus. On applique d'abord le revêtement à la surface de moulage sur laquelle un matériau de formation d'article sera durci pour la formation de l'article. Ce procédé permet de contrôler plus facilement l'épaisseur et l'uniformité du revêtement que dans le cas des procédés de revêtement existants.

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