Device for producing bypasses under pressure in fluid piping...

Details Device for producing bypasses under pressure in fluid piping... Device for producing bypasses under pressure in fluid piping...

2006-11-21

2006-11-21

Lee, Kevin (Department: 3753)

Fluid handling

With repair, tapping, assembly, or disassembly means

Tapping a pipe, keg, or apertured tank under pressure

C030S094000, C408S102000, C408S207000

Reexamination Certificate

active

07137403

ABSTRACT:
A device for producing bypasses under pressure in fluid piping systems, including a horizontal T-shaped body having a radial conduit which can be connected to a connecting collar or seat of the pipe to be bypassed and a radial conduit with a mouth for extracting fluid from the bypass. The device includes an inverted cup-shaped cutter with an overdimensioned tooth crown and, on the rear part thereof, a stepped extension with two threaded areas. One of the threaded areas is attached to the upper neck of the radial conduit and is closed with a cover and gaskets. The device further includes an actuation means which can be positioned on the neck and which is equipped with a feed screw and a shaft which can be connected to the end threaded area of the cutter by means of a male connector and a nut. The actuation means also includes a lateral valve which connects the outside with the inside of the radial conduit and the bypassed pipe by means of a chamber inside said actuation means and which can be used to inject an inert gas, check the sealing and purge the bypassed pipe.

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