Patents by Inventor Dan L. Colbath

Dan L. Colbath has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Roll-stand for roll-forming machine
    Patent number: 3945232
    Abstract: A roll-forming machine includes a plurality of roll-stands for moving material along a predetermined path and a plurality of die-stands for progressively transforming the material from an initial configuration to a desired configuration. The die-stands are mounted on and positioned by an elongate, rigid spine which permits conversion of the machine from one roll-forming configuration to another by replacing the spine and the die-stands mounted thereon with a different spine/die-stand assembly.The roll-stands each include at least a pair of lower rollers which are selectively positionable transversely with respect to the predetermined path to accommodate materials of various widths in the roll-forming machine.
    Type: Grant
    Filed: April 5, 1974
    Date of Patent: March 23, 1976
    Inventor: Dan L. Colbath