Contact lens stock holding apparatus

Details Contact lens stock holding apparatus Contact lens stock holding apparatus

2009-04-23

2011-12-27

Fridie, Jr., Will (Department: 3724)

Turning

Process of turning

C082S118000

Reexamination Certificate

active

08082824

ABSTRACT:
The present invention is directed toward the design of a holding apparatus which allows contact lens lathes to hold contact lens buttons during the contact lens manufacturing process. The holding apparatus functions to hold lenses manufactured from a different sized stock than what the lens manufacturing equipment is designed to hold.In general the holding apparatus has a circular portion having a mating surface on a one side and a cylindrical protrusion extending from the other side. A contact lens lathe can hold the cylindrical protrusion of the holding apparatus while the mating surface mates with a surface on a contact lens button. The lens button and holding apparatus surfaces can be modified to allow more efficient machining of the lens buttons.

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International Search Report and Written Opinion for International Application No. PCT/US2010/032117 dated Jun. 15, 2010.

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