Tire with metal cable anchoring reinforcing member

Details Tire with metal cable anchoring reinforcing member Tire with metal cable anchoring reinforcing member

2005-05-11

2011-10-11

Johnstone, Adrienne C (Department: 1747)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S451000, C152S543000, C152S550000

Reexamination Certificate

active

08033311

ABSTRACT:
Tire having a crown, a crown reinforcement, sidewalls and beads, a carcass reinforcement passing into the sidewalls and anchored in the beads. The anchoring is accomplished, in at least one bead, by a circumferential alignment of an anchoring reinforcing member oriented circumferentially and cooperating with a rubber composition. The anchoring reinforcing member is a metal cable having a construction M+N with an inner layer C1of M wires of diameter d1wound together in a helix at a pitch p1, this layer C1being surrounded by an outer layer C2of N wires of diameter d2wound together in a helix at a pitch p2. This anchoring cable satisfies (d1, d2, p1and p2being expressed in mm): 2≦M≦4, M+3≦N ≦M+7, 0.25 <d1<0.40, 0.25 <d2<0.40, 3.5 <p1<7<p2<14.

REFERENCES:
patent: 3996733 (1976-12-01), Holmes
patent: 5024261 (1991-06-01), Igarashi et al.
patent: 5702548 (1997-12-01), Arnaud et al.
patent: 0 269 036 (1988-06-01), None
patent: 0 744 490 (1996-11-01), None
patent: 0 751 015 (1997-01-01), None

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