News wire article from our research archive:

Japanese Inventors Develop Pipe Lining Method

ALEXANDRIA, Va., July 25 -- Takao Kamiyama, Koji Kaneta and Kenji Fujii, all from Hiratsuka, Japan, have developed a method for repairing pipes.

An abstract of the invention, released by the U.S. Patent & Trademark Office, said: "There is provided a pipe lining method wherein a lateral pipe lining material and a main pipe lining material are securely joined. After a lateral pipe has been lined, a start liner is applied to the main pipe and a main pipe lining material is then inserted. A heating wire for melting the start liner is mounted on a surface of a flange of the lateral pipe lining material during or after lining of the lateral pipe. While the main pipe is being lined, the ...

Related newspaper, magazine, and journal articles:

See all results. Or, try our Advanced Search.

Newsweek Harper's Magazine The Washington Post Chicago Tribune Crain's Chicago Business PRNewswire Pediatric News The Nation Advertising Age The Economist (US) A FREE trial gives you access to over 60 million articles! Access over 3,500 publications with a FREE trial!