Invention Grant
- Patent Title: Pneumatic tire having bead ring with sawtooth ridges
- Patent Title (中): 气动轮胎，具有带锯齿的胎圈环
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Application No.: US71479Application Date: 1987-07-09
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Publication No.: US4860810APublication Date: 1989-08-29
- Inventor: Jean-Charles Lacour
- Applicant: Jean-Charles Lacour
- Applicant Address: FRX Clermont-Ferrand Cedex
- Assignee: Compagnie Generale des Etablissements Michelin
- Current Assignee: Compagnie Generale des Etablissements Michelin
- Current Assignee Address: FRX Clermont-Ferrand Cedex
- Priority: FRX8610373 19860709
- Main IPC: B29D30/50
- IPC: B29D30/50 ; B29D30/48 ; B60C15/04
Abstract:
A bead ring for reinforcing a bead of a pneumatic tire having a carcass ply comprises, on the bead ring surface, ribs made of a material whose secant modulus in extension, measured at 10% elongation and at 160.degree. C., is equal to at least 70 MPa. Pneumatic tires have such a bead ring, the carcass ply being in contact with the ribs.
Public/Granted literature
- US6101962A Machine shadow embroidery and method Public/Granted day:2000-08-15
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