| 摘要 |
PURPOSE: A bead wire for a bead core of a tire is provided to increase the deformation of a bead core, having the minimum part of a circular type length unit formed with a material having a super elastic characteristic when a certain load is applied at a certain temperature. CONSTITUTION: A tire(1) includes a tread band(2), a shoulder part(3) and a side wall (4). In addition, end of the tire includes a pair of beads(5), a bead core(6), a bead filling body(7) and selectively a reinforcing edge part(8). The tire is made up of a semi-radius directional carcass(9) with a reinforcing element arranged on a meridian plane and includes a belt structure(10) arranged between the carcass and the tread band. Herein, the materials for forming the bead core are a Ni-Ti, NiTix, CuZnAi, CuAINi, CuAINi, CuAIBe and FEMnSi alloy and a FeNiCo alloy.
|
