Patents Assigned to Domatar Inc.
  • Patent number: 4866899
    Abstract: A one-piece metal stud comprises a longitudinal web with generally centrally located punch outs forming alternately oriented bent tabs, a folded and hemmed front flange, and a back flange formed of alternately oriented bent tabs. The bent tabs are folded into a lip of double thickness and extend back past the web in a single thickness. The punch out tabs and the back flange tabs form channels therebetween on each side of the web for holding a separate wallboard panel in each channel. A further wallboard panel or panels can be fastened to the front flange or to both the front flange and back flange tabs to complete formation of a double-wall or cavity wall construction.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: September 19, 1989
    Assignee: Domatar Inc.
    Inventor: James L. Houser