公开(公告)号：US20220266554A1

公开(公告)日：2022-08-25

申请号：US17662858

申请日：2022-05-11

Applicant: Alcon Inc.

Inventor： Alice Weimin Liu ,  Daryl Reece ,  Kirk Cooper ,  Shridhar Natarajan ,  John Janders ,  Uwe Haken ,  Stacey Elliott

IPC: B29D11/00 ,  B29C37/00 ,  B29C39/36 ,  B29C43/50

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.

公开(公告)号：US11279103B2

公开(公告)日：2022-03-22

申请号：US15782579

申请日：2017-10-12

Applicant: Alcon Inc.

Inventor： Daryl Reece ,  Uwe Haken ,  Delores Davis

IPC: B29D11/00 ,  G02C7/04 ,  G02B1/04

Abstract: The invention provides a method producing contact lenses, including the step of: holding the molded silicone hydrogel contact lens attached to the one of the female mold half or the male mold half with a vacuum supplied with a suction cup; deforming a surface of the one of the female mold half or the male mold half having the molded silicone hydrogel contact lens attached to with a pin so as to separate the molded silicone hydrogel contact lens from the mold half attached to and to transfer the molded silicone hydrogel contact lens to the suction cup; moving the suction cup away from the pin while the suction cup continues to hold the molded silicone hydrogel contact lens remains; applying a compressed gas to blow the molded silicone hydrogel contact lens away from the suction cup into a container.

公开(公告)号：US20240316886A1

公开(公告)日：2024-09-26

申请号：US18611772

申请日：2024-03-21

Applicant: Alcon Inc.

Inventor： James Reid Lisk, JR. ,  Thae Hoon An ,  Daryl Reece ,  Zahra Bassampour ,  Tudor Stanescu ,  Honghui Lu ,  Justin Joel Aguayo ,  Aaron Luke Leathley-Andrew ,  Chandana Kolluru

IPC: B29D11/00 ,  B29C33/42 ,  B29L11/00 ,  C08J3/24 ,  C09D133/26

CPC classification number: B29D11/00134 ,  B29C33/42 ,  C08J3/243 ,  C09D133/26 ,  B29L2011/0041

Abstract: The invention is directed to a cast molding method for making embedded hydrogel contact lenses. The method comprises a step of actinically curing a lens-forming composition in specific locations in molding assemblies each of which is formed from one male lens mold half and one female insert mold half having a molded insert adhered thereon and comprises the lens-forming composition filling a gap between the back surface of the mold insert and the molding surface of the male lens mold half. This tack curing step ensures molded inserts adhered through multiple spots to the molding surface of each male lens mold halves which in turn will be used together with a female lens mold half in cast-molding of a lens forming composition to form an embedded silicone hydrogel contact lens.

公开(公告)号：US20230166467A1

公开(公告)日：2023-06-01

申请号：US18070189

申请日：2022-11-28

Applicant: Alcon Inc.

Inventor： Yang Zheng ,  Cornelius Daniel Niculas ,  Yuan Chang ,  Junhao Ge ,  Steve Yun Zhang ,  Justin Joel Aguayo ,  David Andrew Icenogle ,  Muhammad Waqas Asif ,  Daryl Reece

IPC: B29D11/00 ,  G02C7/04 ,  G02B1/04

CPC classification number: B29D11/00519 ,  B29D11/00038 ,  G02B1/043 ,  G02C7/04 ,  B29K2083/00

Abstract: Systems, devices, and methods are disclosed for fabricating a hybrid contact lens product having a lens insert embedded at a precisely controlled location within a lens body. A mold engagement and support base engages and retains a lens forming mold in a substantially fixed position. An insert placement and positioning device includes an insert pickup head with a contact face configured for releasable engagement of the lens insert and at least one suction opening in the contact face for applying suction to engage the insert on the contact face. A positioning housing interacts with the mold and/or the support base to provide precise locational positioning of the lens insert within the mold. A lens body forming material is delivered to the mold to encapsulate the lens insert.