Patents by Inventor Gunnar Sundhagen

Gunnar Sundhagen 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 forming bucklings in a plate member, tool and plate
    Patent number: 6460393
    Abstract: A method and tool for forming convexities (3, 4) in a plate body (1), which plate body (1) comprises a main face (2) and a plurality of side edges. The plate body (1) is inserted between two tool halves (11, 12), which are brought together and interact to press a first set of convexities (3) in a first direction relative to the main face (2) of the plate body (1) and a second set of convexities (4) in a second, opposite direction relative to the main face (2) of the plate body (1). The convexities (3, 4) are formed along a straight line across the plate body (1) between two of the side edges thereof.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: October 8, 2002
    Inventor: Gunnar Sundhagen
  • METHOD FOR FORMING BUCKLINGS IN A PLATE MEMBER, TOOL AND PLATE
    Publication number: 20020124622
    Abstract: A method and tool for forming convexities (3, 4) in a plate body (1), which plate body (1) comprises a main face (2) and a plurality is of side edges The plate body (1) is inserted between two tool halves (11, 12), which are brought together and interact to press a first set of convexities (3) in a first direction relative to the main face (2) of the plate body (1) and a second set of convexities (4) in a second, opposite direction relative to the main face (2) of the plate body (1). The convexities (3, 4) are formed along a straight line across the plate body (1) between two of the side edges thereof.
    Type: Application
    Filed: March 12, 1999
    Publication date: September 12, 2002
    Inventor: GUNNAR SUNDHAGEN