Patents Assigned to Promat Gesellschaft fur moderne Werkstoffe mbH & Co. KG
  • Device for fireproofing electric conductors
    Patent number: 4135055
    Abstract: A casing for enclosing and fireproofing electric conductors comprises of fire resistant side walls and having means for being supported by the conductor supports. In several embodiments, the casing has ventilation openings and heat responsive means for closing the openings.
    Type: Grant
    Filed: October 8, 1976
    Date of Patent: January 16, 1979
    Assignee: Promat Gesellschaft fur moderne Werkstoffe mbH & Co. KG
    Inventors: Richard Beckers, Wedigo V. Wedel, Manfred Monheimius