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 8863490
APP PUB NO 20120174557A1
SERIAL NO

13382150

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Abstract

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J strands form a core. K outer strands are wound around it in a helix with pitch PK, each having a cord with an L wire inner layer of diameter d1, and an M wire outer layer of diameter d2, wound around the inner layer in a helix with pitch p2; with (in mm): 0.101<0.50; 0.102<0.50; 62<30; its inner layer is sheathed with filling rubber; over any length PK of the outer strand, filling rubber is in each of the capillaries delimited by L wires of the inner layer and M wires of the outer layer, and also, when L is equal to 3 or 4, in the central channel delimited by L wires of the inner layer. Filling rubber in said outer strand is 5 to 40 mg per g of strand.

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Patent Owner(s)

  • COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN;MICHELIN RECHERCHE ET TECHNIQUE S.A.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barguet, Henri Martres-d'Artiere, FR 30 254
Boisseau, Sandra Chappes, FR 2 38
Pottier, Thibaud Clermont-Ferrand, FR 25 249

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