Patents Assigned to N.V. Machinefabriek Stork-Jaffa
  • Pipe bundle extracting/inserting device
    Patent number: 3958698
    Abstract: For withdrawing a bundle of pipes from a heat exchanger and for inserting such bundle the required tractive forces should be exerted on the bundle in a direction in line therewith by means of a key. In order to engage the pipe bundle at its front end and to firmly grip it in a manner that hanging through of the pipes is restricted to an admissible value, the gripper comprises a clamp having at least two clamping jaws adapted to engage the outer circumference of a front flange of the bundle of pipes.
    Type: Grant
    Filed: May 15, 1974
    Date of Patent: May 25, 1976
    Assignee: N.V. Machinefabriek Stork-Jaffa
    Inventor: Barend van der Woerd
  • Pipe bundle key
    Patent number: 3954187
    Abstract: For withdrawing a bundle of pipes from a heat exchanger and for inserting such bundle the required tractive forces should be exerted on the bundle in a direction in line therewith by means of a key. In order to avoid drawing the jacket of the heat exchanger from its supporting frame and to avoid deformation of said frame the bundle is engaged by a gripper arranged on a main frame suspended to a carriage provided with telescopic carrier legs.
    Type: Grant
    Filed: May 15, 1974
    Date of Patent: May 4, 1976
    Assignee: N.V. Machinefabriek Stork-Jaffa
    Inventor: Barend van der Woerd