Patents Assigned to Irwin J. Berlin
  • Automated wall panel frame manufacturing apparatus
    Patent number: 4403724
    Abstract: An apparatus is provided for the automatic manufacture of wall frames. The apparatus includes a pair of guides for receiving top and bottom plates of the frame. A conveyor belt moving between the guides delivers studs between the plates where they are automatically nailed. The studs are carried past a saw which cuts them to the proper length. As the studs are secured to the plates and the frame built up, the conveyor moves the frame along.
    Type: Grant
    Filed: April 9, 1981
    Date of Patent: September 13, 1983
    Assignee: Irwin J. Berlin
    Inventor: Albert Bardenstein
  • Truss assembly unit
    Patent number: 4356948
    Abstract: An apparatus is disclosed for forming building trusses. The apparatus includes a clamp for each section of lumber of the truss along with a plate press mechanism for each joint of the truss. The press mechanism serves to press nails through joint plates on opposite sides of each truss joint.
    Type: Grant
    Filed: July 24, 1980
    Date of Patent: November 2, 1982
    Assignee: Irwin J. Berlin
    Inventor: Albert Bardenstein