To provide a tube connection construction which can easily connect the ends of tubes facing each other, allows adjustment of the connection portion depending on the length of the tube, and can be easily manufactured by processing the tube member for connection in a secondary process of existing tube.
A tube connection construction connecting the ends (3, 4) of tubes (1, 2) facing each other comprises: a slide tube (5) with larger diameter than outer diameters of the tubes (1, 2) in inner circumference; a fixing side sleeve (6) which consists of a connection portion (8) connected to the end (4) of one side tube (2) and a body (7) fixed by being sealed with one end of the slide tube (5); and a movable side sleeve (11) which consists of a connection portion (13) connected to the end (3) of the other side tube (1) and a cylindrical body (12), and is arranged to be smaller than an inner circumference of the slide tube (5) in diameter. The body (12) of the movable side sleeve (11) is inserted in an inner circumference surface of the slide tube (5) to be slidable.
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Jun Tsuruta
Tetsuro Shimada
Shinji Mitsuhashi