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:
Aug. 26, 2025

Filed:

Aug. 16, 2021
Applicant:

Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;

Inventor:

Damien Bardin, Clermont-Ferrand, FR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D 30/06 (2006.01); B29C 37/00 (2006.01); B29D 30/68 (2006.01); B29L 30/00 (2006.01);
U.S. Cl.
CPC ...
B29D 30/0606 (2013.01); B29C 37/00 (2013.01); B29D 30/0681 (2013.01); B29D 30/68 (2013.01); B29C 2793/0054 (2013.01); B29D 2030/0613 (2013.01); B29L 2030/006 (2013.01);
Abstract

A curing mold () for a tire comprises: a plurality of circumferentially distributed sectors () that are intended to mold the tread of the tire, at least one sipe blade () intended to mold a void in the tread, the sipe blade extending over two adjacent sectors () such that the sipe blade comprises a part () in each of the two sectors, the two parts of the sipe blade being separated, in the closed position of the mold, by a space () that creates flash during the curing of a tire, the parts of the sipe blade comprising cutting means () that are able to cut off the flash during the opening of the mold.


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