Patents Assigned to Frelena AB
  • Truss of lattice type
    Patent number: 4372093
    Abstract: The present invention relates to a truss of the lattice type. The truss comprises an upper and lower chord of wood and a continuous web of steel in a zig zag configuration arranged between the chords to form inclined struts. The bent portions of the web are received in recesses in the chords and fastened in the recesses by a hardening and binding substance which forms a body which replaces wood removed to form the recesses.
    Type: Grant
    Filed: August 8, 1980
    Date of Patent: February 8, 1983
    Assignee: Frelena AB
    Inventor: Axel B. R. Ericsson