Light weight cable bead core
AssigneeThe Goodyear Tire & Rubber Company
InventorDonald William Baldwin JR.
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Abstract
A light weight cable bead core 30 is described having an inner core 33 made of a metal wire 34 with an outer sheath 35 of steel cord wires 36. Each cord 36 is made of a plurality of filaments 37. The bead core 30 is particularly suited for heavy-duty service conditions in tires 100 for aircraft, off-road equipment, and commercial trucks.
Claims10
A pneumatic radial tire having a bead portion provided therein with a bead core formed by a plurality of sheath wires enveloping a central core, characterized in that:
- the sheath has a plurality of steel cords, each cord having at least three filaments;
- and the central core is made from steel wire or a metal alloy material having a weight less than steel.
A pneumatic radial tire having a bead portion provided therein with a bead core formed by a plurality of sheath wires enveloping a central core, characterized in that:
- the sheath has a plurality of steel cords, each cord having at least three filaments, and the central core is made from a composite or synthetic material having a weight less than steel.
Dependencies are inferred from the claim text.