Patents by Inventor Willem Ipenburg

Willem Ipenburg 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).

  • Device for fitting a connecting nipple on a pouch
    Patent number: 4946040
    Abstract: A method and a device for sealingly fitting a connecting nipple on a pouch by means of an adhesive layer and opening the pouch at the location of the nipple. The nipple is fitted on the exterior of a wall of the at least partly filled pouch, after a cover layer has been removed therefrom. A pusher member having a piercing element is also fitted on the exterior of the pouch wall. The pusher member is used to force a passage in the wall of the pouch adjacent the connecting nipple by pushing.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: August 7, 1990
    Assignee: Chemische Industrie Filoform B.V.
    Inventor: Willem Ipenburg