Self-Healing rubber article and method

Details Self-Healing rubber article and method Self-Healing rubber article and method

1989-06-23

1991-10-22

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Composite

Of natural rubber

2642884, 2642896, 264291, B32B 2508, B32B 2708, B29C 5500

Patent

active

050594869

ABSTRACT:
A thin, multilayered rubber article and method of making it, having greater resistance to the leakage of fluids therethrough, despite repeated stretching and relaxing of the article within a wide range of movement. The article exhibits a "self-healing" property to impede fluid leakage despite preexisting, or later formed, pinholes or other small openings through the layers. In the method, the base layer is initially stretched before applying an intimately adhered, thinner overlayer of elastomeric material, thereby to provide a stressed interface between the two adhered layers. Additional overlayers can be applied.

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patent: 4684490 (1987-08-01), Taller et al.
patent: 4737188 (1988-04-01), Bahls
patent: 4913950 (1990-04-01), Riesinger

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