Heavy duty pneumatic radial tires using rubber reinforcing fiber cords with improved adhesion
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United States of America Patent
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Sep 29, 1992
Issued Date -
N/A
app pub date -
Dec 22, 1988
filing date -
Jan 13, 1986
priority date (Note) -
Expired
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Abstract
Rubber-reinforcing fiber cords are disclosed which are constituted by at least one kind of fibers selected from a group consisting of aromatic polyamide fibers, entire aromatic polyester fibers and polyvinylalcohol fibers having a tenacity of not less than 15 g/d. Spaces among filaments constituting the cord are each impreganted with a rubbery material. Radial tires are also disclosed which each comprise at least one pair of bead wires, at least one carcass ply cord layer and at least one belt ply cord layer. Carcass ply cords and/or belt ply cords are constituted by the above rubber-reinforcing fiber cords.
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