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:
Jun. 20, 2006
Filed:
Mar. 04, 2003
Guido Riva, Milan, IT;
Gurdev Orjela, Arlon, BE;
Syed Khawja Mowdood, Hudson, OH (US);
Alessandro Volpi, Milan, IT;
Claudio Villani, Milan, IT;
Guido Riva, Milan, IT;
Gurdev Orjela, Arlon, BE;
Syed Khawja Mowdood, Hudson, OH (US);
Alessandro Volpi, Milan, IT;
Claudio Villani, Milan, IT;
Pirelli Pneumatici S.p.A., Milan, IT;
Abstract
A method of mounting a tire on a rim includes selecting a tire comprising bead cores, stretching the bead cores, sliding the bead cores over a balcony portion of the rim, allowing the bead cores to elastically return to lengths corresponding to diameters of respective seats of the rim, and inflating the tire. The bead cores include one or more portions of material with characteristics of superelasticity and shape memory. Stretching the bead cores may include applying constant load to the bead cores at ambient temperature and/or causing the bead cores to undergo structural change at ambient temperature. The structural change may include complete or partial change from austenitic structure to martensitic structure. The one or more portions of material are deformable at ambient temperature in response to a constant force and recover to original shape upon removal of the constant force.