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公开(公告)号:US10406768B2
公开(公告)日:2019-09-10
申请号:US15561989
申请日:2016-08-25
Inventor: Gregg A. Dean , Colin Ball
Abstract: A collet (230) for holding a contact lens mold half (240) during machining of a surface of the mold half (240) having a disc (235) having a face and defining: a central structure (250a), at the center of the face, for receiving a head portion (240a) of the mold half (240), and an elongate recess (250b), in the face, for receiving a tail portion (240b) of the mold half (240), the elongate recess (250b) extending from the central structure (250a) along a radius of the disc (235).
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公开(公告)号:US10239266B2
公开(公告)日:2019-03-26
申请号:US15642358
申请日:2017-07-06
Inventor: Robert Oag , David Robert Morsley , Jaroslaw W. Orlik , Gregg A. Dean
Abstract: Apparatus and methods are described for manufacturing contact lenses employing dissolvable mold structure. The apparatus and methods involve approaches to dissolve at least portions of a mold and to separate a lens from the mold to present the lens for collection.
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公开(公告)号:US10336022B2
公开(公告)日:2019-07-02
申请号:US15561988
申请日:2016-05-20
Inventor: Robert Oag , Gregg A. Dean , David M. Radcliffe , Euan Ferguson
IPC: B29D11/00
Abstract: A method of manufacturing an ophthalmic lens using a first mold portion and a puck assembly. The puck assembly comprises a carrier puck. The puck assembly supports at least one of the first mold portion and the lens during at least two of the following ophthalmic lens manufacturing steps: assembling the first mold portion and a second mold portion into a mold assembly including a lens-defining cavity containing a lens precursor material; curing the lens precursor material in the mold assembly to form a lens; separating the mold assembly such that the lens remains attached to the first mold portion; detaching the lens from the first mold portion; extracting unwanted material from the lens; hydrating the lens; inspecting the lens, and packaging the lens.
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公开(公告)号:US20170297282A1
公开(公告)日:2017-10-19
申请号:US15642358
申请日:2017-07-06
Inventor: Robert Oag , David Robert Morsley , Jaroslaw W. Orlik , Gregg A. Dean
CPC classification number: B29D11/00192 , B29C33/52 , B29D11/0048 , B29K2829/04 , B29K2995/0059
Abstract: Apparatus and methods are described for manufacturing contact lenses employing dissolvable mold structure. The apparatus and methods involve approaches to dissolve at least portions of a mold and to separate a lens from the mold to present the lens for collection.
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公开(公告)号:US20180169980A1
公开(公告)日:2018-06-21
申请号:US15561989
申请日:2016-08-25
Inventor: Gregg A. Dean , Colin Ball
CPC classification number: B29D11/0048 , B23B31/307 , B23Q3/067 , B23Q3/088 , B24B13/0025 , B24B13/0052 , B29D11/00038 , B29D11/00942
Abstract: A collet (230) for holding a contact lens mold half (240) during machining of a surface of the mold half (240) comprises a disc (235) having a face and defining: a central structure (250a), at the centre of the face, for receiving a head portion (240a) of the mold half (240), and an elongate recess (250b), in the face, for receiving a tail portion (240b) of the mold half (240), the elongate recess (250b) extending from the central structure (250a) along a radius of the disc (235).
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