About 42 results
https://drivepatents.com/patents/1387661 · 1 Apr 2026
A tire (1, 10) is disclosed comprising a tread (20) and a belt portion (100) located radially below the tread. The tread (20) has two shoulder portions, each shoulder portion comprising a shoulder groove (21). The belt portion (100) comprises a pair of wor...
https://drivepatents.com/patents/1391764 · 15 Oct 2025
The present invention aims to provide a tire with excellent durability. A tire includes a belt layer, the belt layer including at least one belt ply, the belt ply including, as a reinforcing material, a belt cord having a 1 × 4 structure consisting of fou...
https://drivepatents.com/patents/940562 · 13 Jul 2016
The invention relates to a belt layer for a vehicle pneumatic tire, in particular for a commercial vehicle tire, wherein the belt layer comprises steel cords of the construction 1+N, with N=4 or N=5 with a single core filament and four or five sheath filam...
https://drivepatents.com/patents/941424 · 22 Jun 2016
The invention relates to a steel cord of 1+4 construction for use as a strength carrier in a belt layer of a vehicle pneumatic tire, having a single core filament (1) and layer filaments (2), which all contact the core filament (1) on the outside and have ...
https://drivepatents.com/patents/942504 · 1 Jun 2016
This invention provides a pneumatic tire having its weight reduced without degrading the durability of bead portions. Provided is a pneumatic tire comprising, as a framework, at least one carcass ply comprising a steel cord covered with rubber. Letting d (...
https://drivepatents.com/patents/948334 · 25 Nov 2015
Provided are a rubber article reinforcing steel wire that is superior in bending fatigue properties to the related art and has a flat cross-sectional shape, and a rubber article using the wire. In a rubber article reinforcing steel wire 10, a major diamete...
https://drivepatents.com/patents/951736 · 25 Mar 2015
Provided is a technique for attaining tire weight reduction while inhibiting occurrence of a product defect caused by deformation by improving the structure of a steel cord used for a carcass ply to improve the resistivity against deformation of a green ti...
https://drivepatents.com/patents/975441 · 7 May 2014
Compact metallic cord (I) with two layers of 1+N construction comprises a core and an internal layer (C1) comprising a feed wire of diameter d 1 and an external layer saturated with the N wires of diameter d 2, wound up together as a helix by p 2 around th...
https://drivepatents.com/patents/978191 · 26 Feb 2014
Provided is a steel cord for reinforcing a rubber article, which has an improved durability against so-called cuts, such as notches and perforations, which are generated in the case of treading on an obtusely or sharply pointed projection, without decreasi...
https://drivepatents.com/patents/979225 · 29 Jan 2014
Provided is a steel cord for reinforcing rubber articles which, when applied to a belt of a tire, can attain lightweight without reducing the durability of the tire, and in particular, to a steel cord for reinforcing rubber articles in which the properties...