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US Patent 7735446 Coating installation and method for ophthalmic lens

Patent 7735446 was granted and assigned to Essilor on June, 2010 by the United States Patent and Trademark Office.

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Patent abstract

The installation includes elements for the temporary injection of inert gas; and at least one individual and autonomous casing (6) provided with a window (13) and including receiving elements for a support (3) carrying an ophthalmic lens (2), and sealing elements (21) adapted to form around the ophthalmic lens (2) a sealed enclosure, that enclosure including a non-return inlet member adapted to cooperate with the elements for the temporary injection of inert gas.

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