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Akron Rubber Development Laboratory, Inc.

C Robert Samples

Blake Edward Matthies

Walter B Samples

Uday Prakash Karmarker

Timothy W Samples

A test fixture, test apparatus, and test method utilize a radially cut tire section that is mounted and sealed to a test jig in a airtight manner such that an air chamber is formed between an innerliner surface of the radial tire section and a recessed portion of the jig body such that the tire section may be pressurized on the test jig. A test surface is provided and either the test surface or the test jig is moveable relative to the other to the other to provide a dynamic load to the radial tire sections.

Apparatus and method for predicting tire life relative to belt-leaves-belt failures

An improved windshield wiper blade insert for mounting on a wiper blade carrier arm comprises a base portion, a shank portion and a wiping portion. The shank portion comprises an elastic response enhancing material. The material is preferably a metal that exhibits substantially total elastic recovery under the flexural stress and service conditions encountered by the wiper blade insert. In one embodiment, the shank portion contains a ribbon of spring metal with a thickness in the range of about 0.001 to about 0.004 inches. In a second embodiment, the elastic response member is an essentially rectangular solid formed from spring metal wire with a diameter in the range of about 0.001 to about 0.006 inches.

Wiper blade with wire elastic response member therein

A thin elastomeric sheet material with enhanced puncture resistance is prepared by embedding thin plate-like non-elastomeric particles in an elastomeric matrix so that the non-elastomeric particles form lamellae of overlapping plates. The interaction of the embedded particles and the matrix results in a composite sheet material have puncture resistance, at a load application rate in the relevant range for a surgical needle or the like, far superior to either the particles or an elastomeric sheet of equivalent thickness.

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Akron, OH, United States of America

C Robert Samples