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:
Nov. 29, 2022
Filed:
Jul. 04, 2017
Pirelli Tyre S.p.a., Milan, IT;
PIRELLI TYRE S.p.A., Milan, IT;
Abstract
Tyre () for heavy load vehicle wheels, having a tread band () comprising: —a plurality of circumferential grooves (); —a plurality of transverse grooves () extending between two axially consecutive circumferential grooves (), thus defining a plurality of blocks (); —each block () comprising a radially outer top surface () and having a height (M) measured between said top surface and a bottom surface of a respective transverse groove (); —said transverse grooves () comprising a first segment () having a width Land a second segment () having a width L, where L<L; —said first segment () being at least partially delimited by walls of two circumferentially consecutive blocks (); —at least one filling element () contained within said first segment (); —said at least one filling element () having a radially outer top surface (), located radially inwardly relative to said top surface () of the block at a radial distance (D) between 5% and 50% of the height (M) of the blocks (); —the plan surface area (A) of said top surface () of said at least one filling element () being greater than 60% of the plan surface area (Ai) of said first segment (); —said at least one filling element () being spaced apart from said walls () along at least 70% of its perimeter (P).