The Goodyear & Tire Rubber Company

Andre Georges Cook

Thomas Goodsell Hutchins

Jacques Bernard Emond

Pascal Langlois

Ronald Marcel Chevalier

The present invention is directed towards an improved flexible hose (). The hose () is comprised of at least a flexible material () and a reinforcing rod () positioned externally of the flexible material (). Terminal ends () define both the flexible material () and the reinforcing rod (). At least one terminal end () of the reinforcing rod () is located short of the terminal ends () of the flexible material (), so that the non-reinforced end of the flexible material () forms a soft cuff () adapted to be received by a hose fitting. Also disclosed is an improved method of manufacturing the flexible hose ().

Cuffed hose and method of manufacture

The useful life of an abrasive material transport hose ( ) can be maximized if the hose is repositioned at the first signs of internal wear. This is accomplished by disposing at least two wear sensing elements ( ), each at a specified distance from the inwardmost surface of the inner tube ( ), and each monitoring a condition indicative of wear of the hose ( ) at its specified distance from the inwardmost surface of the inner tube. When the innermost wear sensing element ( ) implies wear, the hose can be repositioned to extend the useful life until the outermost wear sensing element ( ) indicates wear requiring replacement of the hose.

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Andre Georges Cook