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:
Aug. 29, 1989
Filed:
Jul. 09, 1987
Applicant:
Inventor:
Jean-Charles Lacour, Clermont-Ferrand, FR;
Assignee:
Compagnie Generale des Etablissements Michelin, Clermont-Ferrand Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B29D / ;
U.S. Cl.
CPC ...
152540 ;
Abstract
A bead ring for reinforcing a bead of a pneumatic tire having a carcass ply comprises, on the bead ring surface, ribs made of a material whose secant modulus in extension, measured at 10% elongation and at 160.degree. C., is equal to at least 70 MPa. Pneumatic tires have such a bead ring, the carcass ply being in contact with the ribs.