Patent ID: 6260573
Filing Date: 2001-07-17
Classification: F16L,Y10T

Abstract:
A pipe-drilling fitting for a medium-conveying pipe, comprising a housing having a drilling stub, fitted at an angle to the pipe, for drilling into the pipe, and a branch stub which is arranged at an angle to the drilling stub, a rotationally actuable cutting bush 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 ambient provided on a sealing surface of the cutting bush between at least a portion of the drilling stub and at least a portion of the cutting bush, wherein the sealing means between the drilling stub and the cutting bush is arranged radially inward of and at an axial distance from the complementary screw threads wherein the seal is maintained when a cap is placed on the drilling stub.