Invention Grant
- Patent Title: Pneumatic tire having multiple element bead assembly
- Patent Title (中): 具有多个元件珠组件的气动轮胎
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Application No.: US10172199Application Date: 2002-06-14
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Publication No.: US06732776B2Publication Date: 2004-05-11
- Inventor: Neel K. Mani , John L. Turner , Thomas R. Branca , Hidetoshi Yokota , Brian E. Moore , Stanley J. Olesky
- Applicant: Neel K. Mani , John L. Turner , Thomas R. Branca , Hidetoshi Yokota , Brian E. Moore , Stanley J. Olesky
- Main IPC: B60C1500
- IPC: B60C1500

Abstract:
The invention improves tire flat spotting by providing a bead assembly that has bead filler elements disposed outside the body cords so that the turn up portion of the ply of body cords is disposed immediately back against the main portion of the ply of body cords above the bead core. This carcass structure increases the stiffness of the lower sidewall and decreases the flat spotting experience by the tire. In one embodiment of the invention, a reinforcing ply is wrapped around the bead filler elements to further increases the stiffness of the lower sidewall. In another embodiment, a bead filler element is disposed inside the body cords so that an air pocket is not formed in the carcass during the manufacturing process.
Public/Granted literature
- US20020157755A1 Pneumatic tire having multiple element bead assembly Public/Granted day:2002-10-31
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