Tire support ring
AssigneeThe Goodyear Tire & Rubber Company
InventorsPhilippe Marie Etienne Manne, Frank Philpott
Life of this patent
Estimating the term…
Abstract
A run flat safety support ring intended to be mounted on a wheel rim inside a tire equipping a vehicle for supporting the tire tread in case of loss of inflation pressure has a generally cylindrical crown intended to come in contact with the interior of the tire tread in the event of the loss of inflation pressure, but has a clearance from the tire tread interior at normal pressure. The ring also has an annular body located radially inward of the crown, the annular body comprising a grid of continuous reinforcement composite.
Claims11
A safety support ring for enabling a vehicle to run on a deflated tire, mounted in an assembly comprising a pneumatic tire and a wheel rim, said insert being mounted inside the air cavity of the tire and secured to the wheel rim, the support ring comprising:
- a generally cylindrical crown intended to come in contact with the interior of the tire tread in the event of the loss of inflation pressure, and leaving a clearance from the tire tread interior at normal pressure;
- an annular body located radially inward of the crown, the annular body consisting of an open cellular grid formed by a plurality of intersecting three-dimensional ribs, wherein the plurality of ribs extends from the crown to a location radially inward of the crown, and wherein the grid is comprised of a
- continuous reinforcement composite selected from the group consisting of epoxy pre-impregnated fibers and metal matrix composites.
Dependencies are inferred from the claim text.