Method and device for cleaning deposited material from a molding surface of a mold for forming ophthalmic lenses

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United States of America

PATENT NO 10549321
APP PUB NO 20180304312A1
SERIAL NO

16019954

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Abstract

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A method of cleaning deposited material from a molding surface (10) of a mold (1) for forming ophthalmic lenses, including bringing a cleaning head (20) into contact with the molding surface (10), the rotational axis (22) of the cleaning head (20) being arranged normal to the molding surface (10), rotating (220) the cleaning head (20) around the rotational axis (22) while maintaining the contact between the cleaning head (20) and the molding surface (10), moving the cleaning head (20) to perform a precession motion (110) around a central normal (11) on the molding surface (10), while rotating (220) the cleaning head (20) around the rotational axis (22) and while maintaining the contact between the cleaning head (20) and the molding surface (10). During the precession motion (110) the rotational axis (22) includes an inclination angle (α1,α2) with the central normal (11) on the molding surface (10).

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Patent Owner(s)

Patent OwnerAddress
ALCON INCSWITZERLAND ZUG ZUG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cocora, Gabriela Elsenfeld-Eichelsbach, DE 14 25
Heidrich, Halina Kahl am Main, DE 13 4
Heinrich, Axel Aschaffenburg, DE 37 310
Kern, Fabian Amorbach, DE 7 15
Lanig, Volker Giebelstadt, DE 5 27

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