Patents by Inventor Roger Vaughan

Roger Vaughan 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).

  • Monitoring a deposit on a travelling web
    Patent number: 4417934
    Abstract: Method of monitoring a line of adhesive deposited on a travelling paper web to check for accidental omission of adhesive wherein the adhesive has a distinguishing relative permittivity and is sensed by a capacitive proximity sensor. The web may be plugwrap material for cigarette filter rod, the adhesive being provided to anchor filter tow in position when the plugwrap is wrapped around it. The method avoids various disadvantages associated with other automatic monitoring devices such as optical devices and infra-red devices.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: November 29, 1983
    Assignee: Imperial Group plc
    Inventor: Roger Vaughan
  • Apparatus for automatically measuring the properties of air-permeable rod-like articles
    Patent number: 4355535
    Abstract: An apparatus for sequentially measuring the physical properties of air-permeable rod-like articles such as cigarettes or filter rods. The apparatus is self contained and includes stations for measuring the circumference, weight and pressure drop of each article. The measurement of circumference and pressure drop are carried out pneumatically. An indexing drum is provided to transfer each article to the subsequent measuring station.
    Type: Grant
    Filed: October 15, 1980
    Date of Patent: October 26, 1982
    Assignee: Imperial Group Limited
    Inventor: Roger Vaughan