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:
Jul. 24, 2018

Filed:

Aug. 24, 2017
Applicant:

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

Inventors:

John Robert Gibson, Farnham Common, GB;

Geoffrey Douglas Sydney Payne, Bolton, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 31/00 (2006.01); B29D 11/00 (2006.01); B29L 11/00 (2006.01);
U.S. Cl.
CPC ...
B29D 11/00182 (2013.01); B29C 31/006 (2013.01); B29D 11/00134 (2013.01); B29K 2877/00 (2013.01); B29L 2011/0041 (2013.01);
Abstract

A tray () for holding contact lens mold assemblies () during thermal curing of a contact lens precursor material in an oven () to form contact lenses. The tray () comprises a plurality of plates () and a frame () supporting the plates (). The frame () is configured to be stacked vertically with a plurality of identical frames to form a tray stack (). Each plate () is a carbon-fiber reinforced polymer plate and comprises a plurality of support structures () each arranged to support one contact lens mold assembly () during curing and a plurality of channels () connecting the support structures (), to allow gases to flow between them in the tray stack () during curing.


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