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Title: Development Of In-Situ Pe Gas Pipe Repair Methodology
Author: S. C. Grigory, m. m. Mamoun
Source: American Gas Association 1991
Year Published: 1991
Abstract: Repair methods for polyethylene gas pipe is being conducted at Southwest Research Institute under contract with the Gas Research Institute. Technology available for fusing polyethylene were reviewed with the objective of utilizing at least one or two techniques in the development of a prototype method for field repair of polyethylene pipe. High technology methods were eliminated on the basis of complexity and cost for the intended application. Tools for heat fusion and spin friction fusion of patches on small nicks, scratches, gouges and punctures were chosen for prototype hardware development. A special thermochemical material that will bond to unscraped surfaces has been also been developed on this program.

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