Pneumatic tire having bead ring with sawtooth ridges

Details Pneumatic tire having bead ring with sawtooth ridges Pneumatic tire having bead ring with sawtooth ridges

1987-07-09

1989-08-29

Hoag, Willard

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

B29D 3048, B29D 3006

Patent

active

048608106

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.

REFERENCES:
patent: 1562678 (1925-11-01), Beyea
patent: 1763179 (1930-06-01), Pierce
patent: 1969438 (1934-08-01), Warden
patent: 3028902 (1962-04-01), Formanek
patent: 3237674 (1966-03-01), Budd et al.
patent: 3372894 (1968-03-01), Pearce
patent: 3612139 (1971-10-01), Marzocchi et al.
patent: 4320791 (1982-03-01), Fujii et al.
patent: 4561919 (1985-12-01), Forsyth
patent: 4711285 (1987-12-01), Ogawa et al.
patent: 4754794 (1988-07-01), Bocquet et al.

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