Patents Assigned to STN Systemtechnik Nord GmbH
  • Method for preparing watertight and fireproof cable ducts through ceilings and walls
    Patent number: 5194192
    Abstract: A method for preparing watertight and fireproof cable ducts through walls and ceilings. Cables are inserted into shaped parts, spacing the cables in the plane of the cable duct's frontal area. The remaining spaces between the wall of the cable duct and the spacers are filled with pieces of the same material. The modules used to construct the frontal walls include fibrous insulating material, such as long-fiber fiber glass insulating material or rock wool.
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: March 16, 1993
    Assignee: STN Systemtechnik Nord GmbH
    Inventor: Heinrich Seebode