The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 10, 2018

Filed:

Dec. 19, 2014
Applicant:

Coopervision International Holding Company, Lp, St. Michael, BB;

Inventors:

John Robert Gibson, Farnham Common, GB;

Geoffrey Douglas Sydney Payne, Bolton, GB;

Terence Michael Cook, Norwich, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 11/00 (2006.01); B29C 33/20 (2006.01); B29C 43/58 (2006.01);
U.S. Cl.
CPC ...
B29C 33/20 (2013.01); B29D 11/00125 (2013.01); B29D 11/00519 (2013.01); B29D 11/00951 (2013.01); B29C 43/58 (2013.01); B29C 2043/5808 (2013.01); B29C 2043/5833 (2013.01);
Abstract

Apparatus and methods for manufacturing ophthalmic lenses by bringing together a pair of mold halves to form a closed mold assembly, are described. The method includes measuring a force applied to bring the mold halves together. The apparatus includes at least one force sensor in operative communication with a single pair of mold halves, and a controller for controlling a velocity of movement of a mold half and for determining when a measured force or average measured force is greater than or equal to a predetermined threshold force.


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