Patents by Inventor Frederic Delespaul

Frederic Delespaul 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).

  • Pack comprising a tube, a screw cap and a cover to weld over the neck of the tube, and a method of sealing said tube
    Patent number: 4954191
    Abstract: The invention concerns a tube with a plastic neck and with a cover to be welded over the neck after its cap has been fixed, the cover having at least one projecting portion for pulling it off, with cap holding the cover while it is being sealed over the neck. The cover has one or more projecting tabs, at least one of which is used to pull off the sealed cover and the cover is deformable and has little or no resilience. The end of the cap has a shoulder to press the cover onto the neck, which shoulder is configured so that it does not bear on the burrs of the neck, and the neck and cap have space between them for the bent back projecting tab or tabs of the cover. The invention also concerns a method of sealing the tube by induction of ultrasonic welding. The invention is used for the packaging of toiletries, cosmetics or food products.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: September 4, 1990
    Assignee: Cebal
    Inventors: Frederic Delespaul, Bernard Schneider
  • Container with welded on cover and screw cap
    Patent number: 4893718
    Abstract: The invention concerns a tube with a plastic neck and with a cover to be welded over the neck after its cap has been fixed, the cover having at least one projecting portion for pulling it off, with cap holding the cover while it is being sealed over the neck. The cover has one or more projecting tabs, at least one of which is used to pull off the sealed cover and the cover is deformable and has little or no resilience. The end of the cap has a shoulder to press the cover onto the neck, which shoulder is configured so that it does not bear on the burrs of the neck, and the neck and cap have space between them for the bent back projecting tab or tabs of the cover. The invention also concerns a method of sealing the tube by induction or ultrasonic welding. The invention is used for the packaging of toiletries, cosmetics or food products.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: January 16, 1990
    Assignee: CEBAL
    Inventors: Frederic Delespaul, Bernard Schneider