Patents by Inventor Rovert Berg

Rovert Berg 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, roll production apparatus and method for producing roll
    Publication number: 20050155701
    Abstract: Rolls easy to be produced are provided. The invention provides a roll which is composed of a main tape cylindrically wound up. The main tape is provided with a first and second holes, respectively, in its winding terminating position and winding initiating position. First and second adhesive tapes are stuck over the holes, respectively. In the bottoms of the first and second holes, adhesive layers of the first and second adhesive tapes are exposed. Therefore, the main tape is stuck on a core at its winding initiating position and on the roll itself at its winding terminating position. Information may be printed on a surface of the first adhesive tape.
    Type: Application
    Filed: March 11, 2005
    Publication date: July 21, 2005
    Applicant: Sony Chemicals Corp.
    Inventors: Tetsuji Ishikawa, Rovert Berg