Patents Assigned to C-O, Inc.
  • Patent number: 3961738
    Abstract: A method and apparatus for forming truss members which comprise oppositely disposed channel members and struts interconnected to one another by alternately extending apices wherein the apices are welded to the channel members. The method and apparatus provides for simultaneously forming channel members from a pair of endless strips and the strut members from an endless third strip, guiding the channels in a predetermined relation to one another with the third strip therebetween and thereafter welding the apices to the channel members.
    Type: Grant
    Filed: July 1, 1974
    Date of Patent: June 8, 1976
    Assignee: C-O, Inc.
    Inventor: Melvin L. Ollman