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. 14, 2025

Filed:

Feb. 24, 2021
Applicants:

Essilor International, Charenton-le-Pont, FR;

Shamir Optical Industry Ltd, Kibbutz Shamir, IL;

Inventor:

Youval Katzman, Kibbutz Shamir, IL;

Assignees:

Essilor International, Charenton-le-Pont, FR;

Shamir Optical Industry Ltd, Kibbutz Shamir, IL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 51/18 (2005.12); B29C 51/42 (2005.12); B29C 51/46 (2005.12); B29L 11/00 (2005.12);
U.S. Cl.
CPC ...
B29C 51/18 (2012.12); B29C 51/422 (2012.12); B29C 51/424 (2012.12); B29C 51/46 (2012.12); B29L 2011/0016 (2012.12);
Abstract

This thermoforming machine includes a thermoforming chamber having at least one heated air inlet through which heated air flows into the thermoforming chamber at a controlled pressure. The air inlet cooperates with a heated air flow distribution regulator located in the thermoforming chamber and through which the heated air flows out of the thermoforming chamber at a predetermined temperature. The regulator includes a heated air flow regulating mask receiving heated air flow, having a plurality of flow restricting elements providing different air flow restrictions.


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