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:
Feb. 18, 2003
Filed:
May. 25, 2000
Laura Canevini, Milan, IT;
Daniele Lorenzetti, Villasanta, IT;
Elda Gelosa, Lissone, IT;
Federico Mancosu, Milan, IT;
Pirelli Pneumatici S.p.A., Milan, IT;
Abstract
A mould for producing a tire includes a crown and at least two cheeks. The crown includes radially-movable sectors. A first cheek is axially opposite a second cheek. The mould includes a main profile in a plane of a meridian section. The main profile includes a maximum chord, a maximum height measured from a fitting line, a profile of the first and second cheeks, and a base profile of a sector. The base profile includes first and second lateral portions, first and second connecting portions, and a central portion. The first lateral and connecting portions are axially opposite the second lateral and connecting portions. Each cheek profile includes first and second portions including first and second radii of curvature, where a ratio of the first radius of curvature to the second radius of curvature is greater than or equal to 0.45:1 and less than or equal to 0.56:1.