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
F16L9/00—Rigid pipes
F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
B—PERFORMING OPERATIONS; TRANSPORTING
B61—RAILWAYS
B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
B61H13/00—Actuating rail-vehicle brakes
B61H13/20—Transmitting mechanisms
B61H13/30—Transmitting mechanisms adjustable to take account of variation of vehicle weight
B61H13/32—Transmitting mechanisms adjustable to take account of variation of vehicle weight by varying brake lever leverage