Multi-strand cord in which the basic strands are dual layer cords, rubberized in situ

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United States of America Patent

PATENT NO 8857146
APP PUB NO 20120159919A1
SERIAL NO

13382141

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Abstract

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Metal cord of K×(L+M) construction. K elementary strands assembled in a helix, with pitch PK, each having a cord with L wire inner layer of diameter d1, and M wire outer layer of diameter d2, in a helix with pitch p2 around the inner layer; with (in mm): 0.101<0.50; 0.102<0.50; 32<10; inner layer is sheathed with filling rubber; over a K times PK length of the elementary strand, filling rubber is in each of the capillaries delimited by the L wires of the inner layer and the M wires of the outer layer, and also, when L is equal to 3 or 4, in the central channel delimited by the L wires of the inner layer. The amount of filling rubber in said elementary strand is 5 to 40 mg per g of elementary strand.

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Patent Owner(s)

Patent OwnerAddress
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINFRENCH CLERMONT FERRAND CLERMONT-FERRAND PUY-DE-DOME

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barguet, Henri Martres-D'Artiere, FR 30 293
Boisseau, Sandra Chappes, FR 2 40
Gauthier, Jacques Lempdes, FR 10 48
Pottier, Thibaud Clermont-Ferrand, FR 25 262

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