Georg Fischer Wavin Ag

Bernd Schwarz

Ernesto Lehmann

Reinhard Muller

Dirk Petry

Reinhard Müller

Michael Gressmann

Ernesto Lehman

A pipe-drilling fitting for a medium-conveying pipe, comprising a housing which has a drilling stub, which can be fitted at an angle to the pipe axis, for drilling into the pipe wall, and a branch stub which is arranged at an angle to the drilling stub, a rotationally actuable cutting bush being arranged in the drilling stub, the cutting bush and the drilling stub having mutually complementary screw threads, and at least one sealing means for sealing the medium-conveying pipe with respect to the outside being provided between the drilling stub and the cutting bush, in which fitting the sealing means is arranged in the cutting bush on an external diameter which is significantly smaller than the internal diameter of the complementary screw threads.

Growing community of inventors

Singen, Germany

Bernd Schwarz