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US 11,358,413 B2Granted
Bias tire
AssigneeThe Yokohama Rubber Co., Ltd.
InventorTakamasa Motomitsu
Life of this patent
Estimating the term…
Abstract
A bias tire includes two or more carcass layers, at least one belt disposed outward from the carcass layers in a tire radial direction, a reinforcing rubber layer disposed between carcass plies included in a carcass layer of the carcass layers. A belt width of a widest belt with the widest width of the belts is 110% or more and 150% or less of a tread developed width, and a position of an upper end portion of the reinforcing rubber layer located outward in the tire radial direction is apart 3 mm or more from an end portion of the widest belt.
Claims13
A bias tire, comprising:
- two or more carcass layers each including a plurality of carcass plies;
- two or more pairs of bead cores;
- at least one belt disposed outward from the two or more carcass layers in a tire radial direction;
- and
- a reinforcing rubber layer disposed sandwiched between carcass plies included in a single carcass layer of the two or more carcass layers,
- cords of the carcass plies which are adjacent to each other and sandwich the reinforcing rubber layer being disposed to intersect each other at an angle with respect to a tire radial direction of between ±30 degrees and ±60 degrees,
- a width of a widest belt with the widest width of the at least one belt being 110% or more and 150% or less of a tread development width,
- a position of an upper end portion of the reinforcing rubber layer located outward in the tire radial direction being apart 30 mm or more from an end portion of the widest belt,
- each one of the carcass layers being wrapped around a respective separate one of the pairs of bead cores,
- the carcass plies sandwiching the reinforcing rubber layer wrapping around a same pair of bead cores of the two or more pairs of bead cores, and
- a maximum inter-cord distance of the carcass plies adjacent to each other that sandwich the reinforcing rubber layer being 5 mm or more and 30 mm or less.
8 more elements
Dependencies are inferred from the claim text.