Tire having circumferential cables for anchoring the carcass and

Details Tire having circumferential cables for anchoring the carcass and Tire having circumferential cables for anchoring the carcass and

1997-05-16

2000-07-25

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148530, 148532, 148568, 148595, 152451, 156910, C21D 132, C21D 934

Patent

active

060932678

ABSTRACT:
The anchoring of the carcass reinforcing elements 1 is assured by circumferential cables 2, with the interposition of a connecting rubber composition 3. The circumferential cable 2 is arranged in several turns forming one or more helices. These circumferential cables have an operational elongation rate A.sub.f =A.sub.e +A.sub.p of more than 4%. This operational elongation rate does not include the specific elongation A.sub.s of the "cable" effect. The maximum stress R.sub.m of the cable 2 is preferably more than 2000 MPa. The cables have undergone a heat treatment which has, in combination, the features of being a recovery annealing treatment and which is carried out directly on cable comprising wires previously separately covered by an adherent coating.

REFERENCES:
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patent: 3072171 (1963-01-01), Drakeford et al.
patent: 3749558 (1973-07-01), Dillenschneider
patent: 3815652 (1974-06-01), Pouilloux
patent: 4106957 (1978-08-01), Tournoy
patent: 4407683 (1983-10-01), Hijikata et al.
patent: 4683175 (1987-07-01), Bakewell et al.
patent: 4788394 (1988-11-01), Vanneste et al.
patent: 4830684 (1989-05-01), Reiniche

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