Patents by Inventor Alain Delsahut

Alain Delsahut 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).

  • Sealed enclosure, method for the manufacture thereof, and method of packaging a beverage in said enclosure
    Patent number: 6481889
    Abstract: A sealed enclosure is provided with a valve at least part of which extends inside the enclosure and is formed between two flexible sheets extending between two opposed edges of the enclosure and being connected along two non-converging connection lines to define therebetween a duct upon spacing apart the flexible sheets from one another to allow the passage of a fluid between the inside and the outside of the enclosure. The sheets are arranged to be applied against one another upon ceasing of the application thereto of a force tending to hold them apart, thus preventing said fluid from leaving the enclosure. The sheets are sealingly connected to one another with each of the non-converging connection lines forming said duct at the opposite edges of the enclosure, the edges of the sheets adjacent to the inlet end of the duct being sealingly connected to the wall of the enclosure.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: November 19, 2002
    Assignee: Walk Pak Holding N.V.
    Inventor: Alain Delsahut
  • Sealed enclosure, method for the manufacture thereof, and method of packaging a beverage in said enclosure
    Publication number: 20020015541
    Abstract: A sealed enclosure is provided with a valve at least part of which extends inside the enclosure and is formed between two flexible sheets extending between two opposed edges of the enclosure and being connected along two non-converging connection lines to define therebetween a duct upon spacing apart the flexible sheets from one another to allow the passage of a fluid between the inside and the outside of the enclosure. The sheets are arranged to be applied against one another upon ceasing of the application thereto of a force tending to hold them apart, thus preventing said fluid from leaving the enclosure. The sheets are sealingly connected to one another with each of the non-converging connection lines forming said duct at the opposite edges of the enclosure, the edges of the sheets adjacent to the inlet end of the duct being sealingly connected to the wall of the enclosure.
    Type: Application
    Filed: September 28, 2001
    Publication date: February 7, 2002
    Inventor: Alain Delsahut