Crown reinforcement for a tire for a heavy-duty civil engineering vehicle

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United States of America Patent

PATENT NO 10787035
APP PUB NO 20180056723A1
SERIAL NO

15552965

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Importance

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Abstract

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A tire for a heavy construction-type vehicle includes a tread, a radial carcass reinforcement, and a crown reinforcement. The crown reinforcement includes a working reinforcement and a hoop reinforcement. The working reinforcement includes two working layers, each of which includes inelastic metallic reinforcers that are crossed from one layer to a next layer and that make an angle in a range of from 15° to 40° with respect to a circumferential direction. The hoop reinforcement, which is a ply that is wound circumferentially to form a radial stack of at least two hooping layers, includes circumferential elastic metallic reinforcers that make an angle equal to at most 2.5° with respect to the circumferential direction. The hoop reinforcement is radially positioned between the working layers, and the circumferential metallic reinforcers of the hoop reinforcement have a force at break equal to at least 800 daN.

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Patent Owner(s)

  • COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Domingo, Alain Clermont-Ferrand, FR 50 215

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