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. 29, 2008
Filed:
Sep. 20, 2002
Antonio Serra, Genoa, IT;
Pierangelo Misani, Monza, IT;
Jean-louis Locatelli, Seyssuel, FR;
Pirelli Pneumatici S.p.A., Milan, IT;
Abstract
A sealing material includes the following characteristics: a value of a dynamic elastic modulus, measured at a temperature of 80° C., at a frequency of 1 Hz, and with a deformation of 5%, that is at least 60% lower than a value of the dynamic elastic modulus measured at the temperature of 80° C., at the frequency of 1 Hz, and with a deformation of 1%; and the value of the dynamic elastic modulus, measured at the temperature of 80° C., at the frequency of 1 Hz, and with the deformation of 5%, that is greater than or equal to 0.05 kPa. A tire for a vehicle wheel includes a carcass structure comprising at least one carcass ply and at least one layer of sealing material disposed in a radially inner position with respect to the at least one carcass ply. A process for producing the tire is also disclosed.