figure 2b

Patent No. 5,607,736


Issued: March 4, 1997

Inventor: David Williams, 1496 Trumansburg Road, Ithaca, NY 14850

Conventional elastic cords, such as bungee cords, usually consist of one or more natural or artificial rubber strings surrounded by a woven jacket. The woven jacket, made of nylon or other similar materials, is made of threads woven in a tubular form and are elongated or contracted with the core member. Elastic cords are used for trailer, car, and bike tie downs, trampolines, and numerous other application. However, the versatility, durability, and performance of conventional cords are limited by its construction and design, which is improved by this invention.

This elastic binding device invention consists of a core member that comprises one or more natural and/or artificial hollow rubber tubes. If a number of rubber tubes are used, the tubes can be of the same or varying wall widths and diameters. A woven jacket covers and protects the core and consists of left and right strands of nylon, cotton, polypropylene or other materials that are braided at the proper angle so the cover elongates and contracts with the core member.

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