Invention Grant
US06758253B2 Pneumatic tire with spirally wound reinforcing cord layer 有权
气动轮胎螺旋缠绕加强帘线层

  • Patent Title: Pneumatic tire with spirally wound reinforcing cord layer
  • Patent Title (中): 气动轮胎螺旋缠绕加强帘线层
  • Application No.: US09756880
    Application Date: 2001-01-10
  • Publication No.: US06758253B2
    Publication Date: 2004-07-06
  • Inventor: Yohei Itoi
  • Applicant: Yohei Itoi
  • Priority: JP2000-005640 20000114
  • Main IPC: B60C1300
  • IPC: B60C1300
Pneumatic tire with spirally wound reinforcing cord layer
Abstract:
A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions, a radial carcass extending between a pair of bead cores and having a turnup portion, a bead filler rubber, and one or more reinforcing cord layers arranged at a side face zone ranging from the bead portion to the sidewall portion, in which the reinforcing cord layer is a layer of one or more rubberized cords spirally wound about an axial line of the tire and has an inner end in a radial direction of the tire between a position located outward from an outer periphery of the bead core in the radial direction and a position located inward from a tapered end of the bead filler rubber in the radial direction.
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