Patents by Inventor Teuvo T. Hytti

Teuvo T. Hytti 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).

  • Method for manufacturing insulating troughs for pipes, and an apparatus for carrying out the method
    Patent number: 4485715
    Abstract: The invention relates to a method for manufacturing insulating troughs for pipes, especially pipe bends. According to the method semicircular portions of a pair of concentric cutting blades having radii of curvature corresponding to the outer diameter of the insulating trough and the outer diameter of the pipe respectively, are applied with their cutting edges in a vertical plane against one edge of a board of insulating material, the blades are set in motion in their circumferential direction and advanced through the material of the board along a path corresponding to the desired shape of the insulating trough. An apparatus for carrying out the method is also disclosed.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: December 4, 1984
    Assignee: OY Partek AB
    Inventor: Teuvo T. Hytti