Patents Represented by Attorney, Agent or Law Firm Robert Graham
  • Cigarette filter micropleated web and method of manufacture
    Patent number: 5531235
    Abstract: A meltblown pleated web suitable for manufacturing cigarette filters or filter rods is prepared by drawing a meltblown web having longitudinal bend lines under thermal conditions to impart micropleats along the bend lines. Preferably the drawn and heated and pleated web is passed through an electric field to impart an electrostatic charge to its fibers.
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: July 2, 1996
    Inventor: Charles B. Hassenboehler, Jr.
  • Method and apparatus for generating and depositing adhesives and other thermoplastics in swirls
    Patent number: 5102484
    Abstract: A nozzle assembly and method for delivering swirls of a thermoplastic melt to a substrate operate on the principle of contacting a thermoplastic spun filament with swirling air to impart a circular swirling expanding cone pattern to the filament. The swirling filament is deposited on a substrate or collector as circular beads.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: April 7, 1992
    Assignee: J&M Consultants Inc.
    Inventors: Martin A. Allen, John T. Fetcko
  • Article suspension stand
    Patent number: D481556
    Type: Grant
    Filed: September 7, 2000
    Date of Patent: November 4, 2003
    Inventors: Pierre Hampshire, Don Forgay