Patents by Inventor Warner Uan de Putter

Warner Uan de Putter 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: 4468367
    Abstract: Method for uniting a plastic fixation part with a sealing body comprising a head end and a sealing sleeve, by first molding the sealing body and subsequently molding the plastic fixation part around the head end of the sealing body, thereby protecting the sealing sleeve. The fixation part is provided with corrugations for connecting said fixation part with a socket pipe provided with corrugations on its outer side.The method may be carried out in an apparatus comprising a first mold part, a second mold part and a third mold part forming together a molding space for forming the sealing body and a forth mold part replacing the first mold part, forms a molding space for molding the fixation part.
    Type: Grant
    Filed: August 26, 1983
    Date of Patent: August 28, 1984
    Assignee: Wavin B.V.
    Inventors: Joannes H. Beune, Warner Uan de Putter