Patents by Inventor Carl Langenskiöld

Carl Langenskiöld 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).

  • Patent number: 6402880
    Abstract: A method of bonding together a first disc element (1) and a second disc element (2) with the aid of glue (10) to form a DVD comprises applying a quantity of glue (10) in the form of a ring on the first disc element, said ring being disposed concentrically with a center hole through the first disc element (1), and moving a second disc element, which also has a center hole and which is parallel with the first disc element, towards the glue ring in parallel with said first disc element and with the centre holes of said disc elements in coaxial alignment, such as to enable the glue to spread between the surfaces of the disc elements through the effect of pressure and capillary action. A center peg (14) is inserted sealingly in the centre hole of the first disc element and the glue ring is applied in contact with the perimeter surface of the peg.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: June 11, 2002
    Assignee: M2 Engineering AB
    Inventors: Göran Ewerlöf, Nils Gawell, Carl Langenskiöld