Shop a wide selection of GORE-TEX Fabric Repair Kit. How To Install Vents In Metal Roof here. Perfect for patching your waterproof GORE-TEX® garments. Includes one round patch and one rectangular patch.

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This article's does not adequately key points of its contents. Please consider expanding the lead to of all important aspects of the article. Please discuss this issue on the article's. (June 2014) Gore-Tex is a membrane and registered trademark of. Invented in 1969, Gore-Tex is able to repel liquid water while allowing water vapor to pass through, and is designed to be a lightweight, waterproof fabric for all-weather use.

It is composed of stretched (PTFE), which is more commonly known by the Teflon. Contents • • • • • • • History [ ] External video 'I decided to give one of these rods a huge stretch, fast, a jerk.

And it stretched 1000%',, Gore-Tex was co-invented by and Gore's son,. In 1969, Bob Gore stretched heated rods of (PTFE) and created expanded polytetrafluoroethylene (ePTFE). His discovery of the right conditions for stretching PTFE was a happy accident, born partly of frustration. Instead of slowly stretching the heated material, he applied a sudden, accelerating yank. The solid PTFE unexpectedly stretched about 800%, forming a microporous structure that was about 70% air.

It was introduced to the public under the trademark Gore-Tex. Bob Gore promptly applied for and obtained the following patents: •, issued April 27, 1976, for a porous form of polytetrafluoroethylene with a micro-structure characterized by nodes interconnected by •, issued February 5, 1980 • on March 18, 1980 for a 'waterproof laminate', together with Samuel Allen Another form of stretched PTFE tape was produced prior to Gore-Tex in 1966, by John W. Cropper had developed and constructed a machine for this use. However, Cropper chose to keep the process of creating expanded PTFE as a closely held and as such, it had remained unpublished. In the 1970s allegedly infringed Gore's patents by using Cropper's machine and was by Gore in the of. The District Court held Gore's product and process patents to be invalid after a 'bitterly contested case' that 'involved over two years of, five weeks of trial, the testimony of 35 witnesses (19 live, 16 by deposition), and over 300 exhibits' (quoting the Federal Circuit).