Supporting membrane for a tire tread
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United States of America Patent
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Mar 30, 2004
Issued Date -
N/A
app pub date -
Jul 9, 2002
filing date -
Jan 20, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Toric membrane M used as a support means for the tread of a tire P and forming together with the said tire P and its mounting rim J an assembly that can roll when the tire P suffers a loss of pressure, the said membrane M being expandable, capable of filling the internal cavity of the tire P, consisting of an airtight interior layer (10), a crown reinforcement (14) comprising two crossed plies (141, 142), two carcass half-plies (111, 112) anchored in each bead B reinforced by a reinforcement ring (2) and a cap (17) reinforced by a hopping armature (16), the crown reinforcement (14) being detached from the interior layer (10) and from the edges of the carcass half-plies (111, 112) which are on either side of the equatorial plane XX' and are connected by at least one connecting ply (15).
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