B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
15/12
B08B 9/02 (2006.01) F16L 55/128 (2006.01) F16L 55/40 (2006.01)
Patent
CA 1205256
ABSTRACT OF THE DISCLOSURE: A device for emptying a fluid from a pipe and for simultaneously filling the pipe with another fluid while preventing the fluids from mixing. The device comprises: a support member having a head end for insertion in the pipe for emptying a fluid from the pipe, and a sealing means attached to the head end of the support so that when the device is inserted in the pipe the sealing means presses against the inner walls of the pipe thereby preventing the fluid being emptied from the pipe from mixing with the fluid filling the pipe. A braking means is attached to said sup- port member for slowing the movement of the fluid filling the pipe thereby causing the pressure of the filling fluid to be greater than the pressure of the emptying fluid to produce a braking action that increases as the velocity of the filling fluid increases.
416805
Robic Robic & Associes/associates
Rognoni Antonio
LandOfFree
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