High pressure tube assembly and method of manufacture

Details High pressure tube assembly and method of manufacture High pressure tube assembly and method of manufacture

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 19/025 (2006.01) B21D 19/08 (2006.01) B21D 19/16 (2006.01) F16L 19/028 (2006.01)

Patent

CA 2057074

2057074 9101466 PCTABS00003 A tube assembly (10) is formed by placing a sleeve member (12) over an end portion (34) of a tube (18) and then placing the tube (18) and sleeve (12) in a die (36). A movable punch (44) is then pressed against a projecting end portion (34) of the tube (18) thereby forming a radially extending double upset flange (16) integrally with the sleeve member (12). The sleeve member (12) has contact surfaces (35, 52) against which a substantial portion of the radially extending double upset flange (16) conforms. A portion of the outer surface (22) of the tube (18), and the entire surface of a compound curved fillet (20) extending from the outer surface (22) of the tube (18) to a radially outwardly extending surface (24) of the flange (16) also conform to the sleeve member.

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