Patents by Inventor Bernard Pierre Diebels

Bernard Pierre Diebels 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).

  • Publication number: 20040195730
    Abstract: In a method for perforating a thin film (14), in particular a plastic film, in which the film (14) is quided over a perforating cylinder (10), with the result that perforations are formed in the film (14), a thin-walled hollow cylinder (10) which comprises at least one layer (52) of fibre-reinforced plastic is used, the fibres in which layer are oriented at least in one direction. A fibre-reinforced cylinder of this type has the required rigidity and is not expensive.
    Type: Application
    Filed: April 26, 2004
    Publication date: October 7, 2004
    Inventors: Karst Jan van Weperen, Bernard Pierre Diebels