Patents Assigned to Endermill Anstalt
  • Patent number: 4095826
    Abstract: Connector for rigid plastic pipes comprises a central cylindrical member wherein the axial bore widens at its two opposite ends to form three portions of predeterminal length and of different diameters, there being provided at each end a pair of semi-circular locking inserts provided internally with suitable toothing, and forming a contractable cylindrical seat adapted to lock both axially and torsionally the pipe inserted therein.
    Type: Grant
    Filed: November 29, 1976
    Date of Patent: June 20, 1978
    Assignee: Endermill Anstalt
    Inventor: Elio Borradori