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
F16L11/00—Hoses, i.e. flexible pipes
F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall