Patents by Inventor Marcel-Francois Roullier

Marcel-Francois Roullier 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: 4175479
    Abstract: A cigarette-filter-making apparatus is comprising a pick-up drum rotatable about its longitudinal axis and provided along its circumference with longitudinally extending retaining grooves for the accommodation of individual filter sections and lateral delivery of them to a laterally adjacent discharge. For ejecting faulty filters the pick-up drum is provided with a guide element extending continuously from the pick-up point to the delivery station and ejector blasting means are provided to blow faulty filter sections out of the drum grooves in their longitudinal direction.
    Type: Grant
    Filed: June 12, 1978
    Date of Patent: November 27, 1979
    Assignee: Baumgartner Papiers S.A.
    Inventor: Marcel-Francois Roullier