Improvements in Hose Couplings for the Air Pipes of Atmospheric or Compressed Air Brakes

摘要

9589. Furtner, P. May 2. Seats.-A valve i, Fig. 5, in a brake-pipe coupling closes against a seating provided with a dished recess having a semicircular port w leading therefrom and forming the means of communication from one side of the valve to the other.