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:
Oct. 20, 2015
Filed:
Mar. 22, 2012
Benjamin Bujeau, La Selle en Hermois, FR;
Victor Zarife, Cepoy, FR;
Benjamin Bujeau, La Selle en Hermois, FR;
Victor Zarife, Cepoy, FR;
Hutchinson S.A., Paris, FR;
Abstract
The present invention relates to a membrane for secondary air suspension of a land or rail vehicle, in particular of heavy truck or passenger wagon type, this secondary suspension incorporating it, such a vehicle which is provided therewith, and the method for manufacturing this membrane. This substantially toroidal membrane () comprises two attachment areas () and at least one corded layer () of fabric and/or metallic threads which is situated between two radially internal () and external () elastomer layers and which extends between these attachment areas. According to the invention, said at least one corded layer has its or each of its thread(s) individually sheathed by an elastomer sheath compatible with the internal and external layers.