Tire with specified reinforcing ply

Details Tire with specified reinforcing ply Tire with specified reinforcing ply

2005-09-13

2005-09-13

Johnstone, Adrienne C. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S537000, C156S133000

Reexamination Certificate

active

06941993

ABSTRACT:
A tire having at least one reinforcement ply formed of reinforcement elements embedded in vulcanized rubber, characterized in that the reinforcement elements for said ply are individually coated in a rubber mix (B, B1), referred to as “coating mix”, having a given composition and physical properties, the reinforcement elements arranged parallel to each other being covered on one face by a first rubber layer (A, A1), referred to as “first calendering layer”, of constant composition and properties, whereas the elements are covered on the opposite face by a second rubber calendering layer (C, D), of composition and properties which are variable according to the meridian position on the ply within the tire.

REFERENCES:
patent: 3172445 (1965-03-01), Boussu et al.
patent: 3392774 (1968-07-01), Le Bosse
patent: 3709277 (1973-01-01), Montagne
patent: 4140166 (1979-02-01), Koyama et al.
patent: 6179029 (2001-01-01), Costa Pereira et al.
patent: 6199612 (2001-03-01), Costa Pereira et al.
patent: 0454932 (1991-11-01), None
patent: 0619170 (1994-10-01), None
patent: 0 869 015 (1998-10-01), None
patent: 0 869 017 (1998-10-01), None
patent: 1419480 (1965-02-01), None
patent: 7186614 (1995-07-01), None

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