About 12 results
https://drivepatents.com/patents/1396866 · 25 Jun 2025
A contour CL of a carcass 12 includes a curved portion 44 and an inversely curved portion 46. A boundary between the curved portion 44 and the inversely curved portion 46 is an inflection point PV. Apart or an entirety of the curved portion 44 is represent...
https://drivepatents.com/patents/1388965 · 18 Jun 2025
The pneumatic tire comprises a carcass 6, and a pair of bead portions 4 each with a bead core 5 and a bead apex 8. The carcass 6 comprises a carcass ply 6A having a pair of turned-up portions 6b and a main portion 6a therebetween. At least one of the bead ...
https://drivepatents.com/patents/949244 · 26 Aug 2015
A pneumatic tire (1) is provided in a bead portion (4) with a bead core (5) formed of a bead wire (20); the bead core (5) has a wound single bead wire structure formed from turns of the single bead wire (20), and has at least three wire layers (10); each s...
https://drivepatents.com/patents/975798 · 23 Apr 2014
The present invention provides a pneumatic tire having a bead core embedded in a bead portion of the tire, the bead core being constituted of a strand as a rubber-coated single bead wire wound around the bead portion to be juxtaposed in plural columns in t...
https://drivepatents.com/patents/995642 · 28 Nov 2012
A pneumatic tire comprising a pair of axially spaced apart annular bead cores (11) is disclosed. A first carcass ply (14) is wrapped around each bead core (11) and has a first pair of carcass ply turnup portions (14A) substantially contiguous with the firs...
https://drivepatents.com/patents/1003936 · 28 Mar 2012
A tire comprising a reinforcement structure comprising cords of a TRIPLEX steel is disclosed. The cords may have a 2 + 1 construction, a 2 x construction, a 2 + 2 construction or 5 x construction. The TRIPLEX steel is of the generic composition Fe x Mn y A...
https://drivepatents.com/patents/1015073 · 9 Mar 2011
A heavy duty pneumatic tire (1) comprises a carcass ply (6A) of steel cords turned up around a bead core (5) in each bead portion (4) so as to form a pair of turned up portions (6b) and a main portion (6a) therebetween. The steel cords (6c) of the carcass ...
https://drivepatents.com/patents/1067285 · 24 May 2006
This invention relates to a pneumatic tire for a motorcycle improving a cornering stability, and more particularly to a pneumatic tire for a motorcycle comprising a pair of bead portions 2, a carcass 1 wound around a bead core 3 embedded in the respective ...
https://drivepatents.com/patents/1067376 · 17 May 2006
A pneumatic tire comprises a pair of bead portions, a carcass comprising a carcass ply extending between the bead portions, a pair of bead cores each disposed in each bead portion, the bead core comprising an annular core formed from one monofilament cord ...
https://drivepatents.com/patents/1075132 · 10 Aug 2005
A plurality of reference signals output from a controller which computes an operation amount of an electric actuator is subjected to the logical operation, and the power supply to a drive circuit for the electric actuator is shut off based on an output by ...