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Composite pipe to metal joint

United States Patent

June 27, 2017
View the Complete Patent at the US Patent & Trademark Office
A method for making a metal to composite tube joint including selecting an elongated interior fitting constructed with an exterior barrel, reduced in exterior diameter to form a distally facing annular shoulder and then projecting still further distally to form an interior sleeve having a radially outwardly facing bonding surface. Selecting an elongated metal outer sleeve formed proximally with a collar constructed for receipt over the barrel and increased in interior diameter and projecting distally to form an exterior sleeve having a radially inwardly facing bonding surface cooperating with the first bonding surface to form an annulus receiving an extremity of a composite tube and a bond bonding the extremity of the tube to the bonding surfaces.
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)
Advanced Composite Products & Technology, Inc. (Huntington Beach, CA)
14/ 251,831
April 14, 2014
STATEMENT OF GOVERNMENT INTEREST 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.