Patents by Inventor Walter Kampen

Walter Kampen 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).

  • Method and apparatus for producing tobacco smoke filter rods
    Patent number: 5203757
    Abstract: Filter tow comprising crimped spun fibers and/or filaments is prepared in a preparation zone and fed to a processing zone where it is gathered, in an intake zone, then wrapped and cut into tobacco smoke filter rods. In the region of the intake zone, a gas or vapor under elevated pressure acts on the filter tow at an angle of less than 90.degree. to the longitudinal axis of the filter tow in the direction of movement of the filter tow. The relevant apparatus includes a preparation unit and a processing unit, the latter unit for feeding a gas or vapor under elevated pressure to the filter tow in the direction of movement thereof including:an intake finger (14) having holes (17) in the wall thereof on the filter tow intake side, ora pipe (22), whose gas or vapor exit end 23 terminates in the region of the filter tow outlet side of the intake funnel (23) or the filter tow intake side of the intake finger (14), ora blowing device (27) immediately upstream of the filter tow intake side of the intake finger (14).
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: April 20, 1993
    Assignee: Rhone Poulenc Rhodia AG
    Inventor: Walter Kampen
  • Method and apparatus for producing tobacco smoke filter rods
    Patent number: 5106357
    Abstract: Filter tow comprising crimped spun fibers and/or filaments is prepared in a preparation zone and fed to a processing zone where it is gathered, in an intake zone, then wrapped and cut into tobacco smoke filter rods. In the region of the intake zone, a gas or vapor under elevated pressure acts on the filter tow at an angle of less than 90.degree. to the longitudinal axis of the filter tow in the direction of movement of the filter tow. The relevant apparatus includes a preparation unit and a processing unit, the latter unit for feeding a gas or vapor under elevated pressure to the filter tow in the direction of movement thereof including:an intake finger (14) having holes (17) in the wall thereof on the filter tow intake side, ora pipe (22), whose gas or vapor exit end 23 terminates in the region of the filter tow outlet side of the intake funnel (23) or the filter tow intake side of the intake finger (14), ora blowing device (27) immediately upstream of the filter tow intake side of the intake finger (14).
    Type: Grant
    Filed: November 15, 1990
    Date of Patent: April 21, 1992
    Assignee: Rhone-Poulenc Rhodia AG
    Inventor: Walter Kampen