Stacey Elliott

US Patent:

20220266554, Aug 25, 2022

Filed:

May 11, 2022

Appl. No.:

17/662858

Inventors:

- Fribourg, CH
Daryl Reece - Atlanta GA, US
Kirk Cooper - Mansfield TX, US
Shridhar Natarajan - Arlington TX, US
John Janders - Fort Worth TX, US
Uwe Haken - Norcross GA, US
Stacey Elliott - Pleasanton CA, US

International Classification:

B29D 11/00
B29C 37/00
B29C 39/36
B29C 43/50

Abstract:

The invention provides a method producing contact lenses, comprising the step of: separating the mold into the male and female mold halves, with the silicone hydrogel contact lens adhered on one of the male and female mold halves; bring a shaped ultrasonic horn in direct contact with at least one area of a non-optical surface of the female mold half or the male mold half having the molded silicone hydrogel contact lens attached thereon; and applying a ultrasonic vibrational energy to the at least one area of the non-optical surface of the female mold half or the male mold half having the molded silicone hydrogel contact lens attached thereon so as to separate the molded silicone hydrogel contact lens from the mold half attached thereon.

US Patent:

20180169981, Jun 21, 2018

Filed:

Dec 14, 2017

Appl. No.:

15/841647

Inventors:

- Basel, CH
Daryl Reece - Atlanta GA, US
Kirk Cooper - Mansfield TX, US
Shridhar Natarajan - Arlington TX, US
John Janders - Fort Worth TX, US
Uwe Haken - Norcross GA, US
Stacey Elliott - Cumming GA, US

International Classification:

B29D 11/00

Abstract:

The invention provides a method producing contact lenses, comprising the step of: separating the mold into the male and female mold halves, with the silicone hydrogel contact lens adhered on one of the male and female mold halves; bring a shaped ultrasonic horn in direct contact with at least one area of a non-optical surface of the female mold half or the male mold half having the molded silicone hydrogel contact lens attached thereon; and applying a ultrasonic vibrational energy to the at least one area of the non-optical surface of the female mold half or the male mold half having the molded silicone hydrogel contact lens attached thereon so as to separate the molded silicone hydrogel contact lens from the mold half attached thereon.