The present invention discloses a pneumatic tire. The pneumatic tire includes a bead portion and a rim flange provided outside the bead portion. The rim flange is made of a rubber resistant to ozone and fatigue and a hardness reinforcing rubber portion is ...

The invention relates to a method for manufacturing a pneumatic tire comprising a tread, sidewalls and a first bead (151) and a second bead (152), which beads (151, 152) are spaced apart, the first bead and the second bead comprising: a drop shaped bead co...

A steel cord for a tire reinforcement having a non-circular cross-section includes: a lower strand; and an upper strand that surrounds an outer circumferential surface of the lower strand so as to have an m+n structure, wherein the lower strand includes a ...

An object is to improve the durability of the stiffener having a hard rubber member and a soft rubber member formed on the radially inner side and the radially outer side by laminating rubber strips. A tire (1) includes bead cores (2), stiffeners (3) provi...

A tire comprising a tread (20) extending circumferentially around an outer portion of the pneumatic tire, two sidewalls extending radially inward from the tread, a carcass ply (88) extending radially inward through each sidewall, and two annular bead porti...

A tire formed from a resin material is provided having a high stress withstanding ability and capable of maintaining a high internal pressure. By configuring the side sections 14 with plural circular arc curve faced portions 32 having curvature in the circ...

A bead reinforcement structure (10) has at least one steel wire which makes several windings which build several layers, amongst which a radially inner layer and a radially outer layer. Each of said layers are built of one or more of windings so as to form...