Impregnation Of Web Patents (Class 131/373)
  • Patent number: 10051882
    Abstract: A measuring apparatus for performing a basis weight measuring method for sheet tobacco according to the present invention includes: a light source (28) that emits light to sheet tobacco (ST) passing through a measurement position (P) on a transport path (18); and a visual sensor (30), the visual sensor (30) having a color camera (32) disposed with the transport path (18) put between the color camera (32) and the light source (28), a processing part (40) that transforms a color image of the sheet tobacco (ST) taken by the camera (32) into a grayscale image, and a conversion part (42) that converts an average gray level of the grayscale image into a basis weight of the sheet tobacco (ST) with reference to a conversion map which indicates a relationship between the average gray level of the grayscale image and an actual basis weight of sheet tobacco (ST).
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: August 21, 2018
    Assignee: JAPAN TOBACCO INC.
    Inventors: Seiji Nakagawa, Kazuhiro Tokuda, Kaoru Narazaki, Tsutomu Kamishiraki, Yasushige Tsuchiya
  • Patent number: 6026820
    Abstract: A novel cigarette adapted for use in an electrical cigarette system comprising a tobacco rod having filled and unfilled tobacco rod portions and being arranged so that electrical heater elements may overlap the filled and unfilled tobacco rod portions. The tobacco rod includes a tobacco web rolled into tubular form. The tobacco web is constructed in accordance with a novel process comprising the steps of converting tobacco feedstock into a continuous sheet of tobacco web and converting the continuous sheet of tobacco web into one or more bobbins of tobacco web suitable for automated manufacture of cigarettes.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: February 22, 2000
    Assignee: Philip Morris Incorporated
    Inventors: James D. Baggett, Jr., Patrick C. Cowling, Richard G. Uhl, Susan E. Wrenn
  • Patent number: 4421126
    Abstract: A process for employing tobacco fines in a system for preparing reconstituted tobacco is disclosed. The tobacco fines are incorporated into concentrated extract before the extract is recombined with the reconstituted sheet or into an aqueous carrier. The slurry of fines in extract or other carrier is passed through a homogenizer and then is applied as a coating to the sheet. The further drying and shredding are done in the conventional way.
    Type: Grant
    Filed: June 4, 1981
    Date of Patent: December 20, 1983
    Assignee: Philip Morris Incorporated
    Inventor: Grant Gellatly