Mechanical center drill branching arrangement for fluid connection to line has threaded cutting tool in main channel with cutting edge for cutting through main channel floor to make fluid connection between main channel and line

摘要

The arrangement has a housing with a line opening defining a main channel extending from the opening, a floor in the main channel for preventing a fluid connection between at least one section of the main channel and the line opening and a threaded cutting tool accommodated in the main channel. with a cutting edge for cutting through the floor to make a fluid connection between the main channel and the line opening and between the main channel and the line. An independent claim is also included for a method of center drilling a line.