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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A composite torque pipe to metal fitting joint including concentric inner and outer shells formed with respective smooth conical surfaces projecting distally and respectively tapered radially inwardly and radially outwardly to form an annulus expanding in thickness for receipt of a tapered connector ring complementally shaped at one end of a composite pipe and bonded along the interface. The present invention includes selecting the sleeves with the corresponding shells and, forming the torque pipe with the tapered ring and bonding the tapered ring in the annulus.
Leslie, James C. (Fountain Valley, CA), Leslie, II, James C. (Mission Viejo, CA), Heard, James (Huntington Beach, CA), Truong, Liem V. (Anaheim, CA), Josephson, Marvin (Huntington Beach, CA), Hans, Nuebert (Anaheim, CA)
14/ 838,033
August 27, 2015
STATEMENT OF GOVERNMENT INTEREST [0002] This invention was partly funded by the Government of the United States of America under Cooperative Agreement No. DE-FC26-99FT40262 awarded by the U.S. Department of Energy and the Government of the United States of America has certain rights in the invention.