F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
F16L27/00—Adjustable joints; Joints allowing movement
F16L27/10—Adjustable joints; Joints allowing movement comprising a flexible connection only
F16L27/113—Adjustable joints; Joints allowing movement comprising a flexible connection only the ends of the pipe being interconnected by a rigid sleeve