In-situ-rubberized layered cord that can be used in a tire belt

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9103068
APP PUB NO 20110017376A1
SERIAL NO

12810961

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Abstract

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Metal cord (C-1) having two layers (Ci, Ce) of 3+N construction, rubberized in situ, comprising an inner layer (Ci) formed from three core wires (10) of diameter d1 wound together in a helix with a pitch p1 and an outer layer (Ce) of N wires (11) N varying from 6 to 12, of diameter d2, which are wound together in a helix with a pitch p2 around the inner layer (Ci), wherein said cord has the following characteristics (d1, d2, p1 and p2 are expressed in mm): 0.201<0.50; 0.202<0.50; p1/p2≦1; 51<30; 102<30; the inner layer is sheathed with a diene rubber composition called a “filling rubber” (12) which, for any length of cord of at least 2 cm, is present in the central channel (13) formed by the three core wires and in each of the gaps lying between the three core wires (10) and the N wires (11) of the outer layer (Ce); and the content of filling rubber in the cord is between 5 and 30 mg per g of cord.

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Patent Owner(s)

Patent OwnerAddress
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN12 COURS SABLON CLERMONT-FERRAND 63000

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barguet, Henri Les Martres-d'Artiere, FR 26 150
Pottier, Thibaud Malauzat, FR 25 152

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