METHOD FOR PRODUCING CONTACT LENSES
The invention provides a method producing contact lenses, comprising the step of: separating the mold (100) into the male and female mold halves (2, 1), with the silicone hydrogel contact lens (85) adhered on one of the male and female mold halves (2, 1); bring a shaped ultrasonic horn (330) in dire...
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| creator | LIU, Alice Weimin NATARAJAN, Shridhar REECE, Daryl COOPER, Kirk ELLIOTT, Stacey HAKEN, Uwe JANDERS, John |
| description | The invention provides a method producing contact lenses, comprising the step of: separating the mold (100) into the male and female mold halves (2, 1), with the silicone hydrogel contact lens (85) adhered on one of the male and female mold halves (2, 1); bring a shaped ultrasonic horn (330) in direct contact with at least one area of a non-optical surface of the female mold half (1) or the male mold half (2) having the molded silicone hydrogel contact lens (85) attached thereon; and applying a ultrasonic vibrational energy to the at least one area of the non-optical surface of the female mold half (1) or the male mold half (2) having the molded silicone hydrogel contact lens (85) attached thereon so as to separate the molded silicone hydrogel contact lens (85) from the mold half attached thereon. (FIG. 4) |
| format | Patent |
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(FIG. 4)</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | METHOD FOR PRODUCING CONTACT LENSES |
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