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.
Patent No.:
Date of Patent:
Jan. 30, 2024
Filed:
Dec. 18, 2019
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Thomas Guy, Clermont-Ferrand, FR;
Michel Deboeuf, Clermont-Ferrand, FR;
Gael Roty, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
Drum () for manufacturing a tire blank, comprising a shaft, two flanges () movable in translation along the shaft, and means for supplying compressed air, each flange comprising at least one pneumatic effector (). At least one flange comprises a first, radially internal ring () and a second, radially external ring () movable in rotation around the first ring by means of at least two airtight pivot connections (), the rings and the pivot connections delimiting at least one sealed chamber (), said flange comprising at least one first compressed-air circulation channel (), a first section () of the first channel belonging to the first ring being connected at one of its ends to the sealed chamber, and a second section () of the first channel belonging to the second ring being connected at one of its ends to the sealed chamber.