Patents by Inventor Wilhelmus Johannes Rosloot

Wilhelmus Johannes Rosloot 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: 6860086
    Abstract: A method and packaging apparatus for packaging products starting from a continuous packaging web which moves uninterruptedly and wherein the web is formed into a package tube and, by the application of cross seals, is divided in separate packaged products. Prior to its folding, the film web is then stretched for obtaining, after application of the cross seals, a shrinkback effect. Due to this shrinkback effect, a tight-fitting package is obtained. The invention particularly relates to the manner in which the stretching of the film web is controlled, so that a good reproducible shrinking effect is obtained without the film web being subjected to undesired loads.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: March 1, 2005
    Assignee: Buhrs-Zaandam B.V.
    Inventors: Wilhelmus Johannes Rosloot, Roberto Tuyn
  • Publication number: 20030106286
    Abstract: A method and packaging apparatus for packaging products starting from a continuous packaging web which moves uninterruptedly and wherein the web is formed into a package tube and, by the application of cross seals, is divided in separate packaged products. Prior tb its folding, the film web is then stretched for obtaining, after application of the cross seals, a shrinkback effect. Due to this shrinkback effect, a tight-fitting package is obtained. The invention particularly relates to the manner in which the stretching of the film web is controlled, so that a good reproducible shrinking effect is obtained without the film web being subjected to undesired loads.
    Type: Application
    Filed: December 12, 2002
    Publication date: June 12, 2003
    Inventors: Wilhelmus Johannes Rosloot, Roberto Tuyn