With Reactive Material Support Surface Patents (Class 242/525.7)
  • Patent number: 12221749
    Abstract: The invention relates to a roller for producing a fibrous web, in particular a paper web including a rotationally symmetrical base body which is rotatable about a longitudinal axis and has a shell surface on which there are arranged at least two elastically deformable and/or deflectable ring-shaped lamellas which extend away from the shell surface in the radial direction and which surround the base body in the circumferential direction, wherein the lamellas are arranged at least in sections at an angle relative to a center plane of the roller aligned perpendicular to the longitudinal axis of the roller, thus forming an angle of inclination.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: February 11, 2025
    Assignee: Voith Patent GmbH
    Inventors: Dominik Marusa, José Luiz Campos Souza, Thomas Martin
  • Patent number: 11866279
    Abstract: The present invention relates to a film wrinkle removing roller in which pattern rolls coated with rubber are positioned at both ends of a cylindrical roll made of Teflon, and a porous film comes into contact with the roll and the pattern rolls, such that the film may be prevented from wrinkling and a surface of the film may be prevented from being abraded due to friction between the film and surfaces of the rolls.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: January 9, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hyun Yun, Ji Hun Kim, Joo Yong Park, Jae Choon Yang
  • Patent number: 8623178
    Abstract: There is provided a slitting-material slitting apparatus including: a rotatable male blade; a female blade that is provided below the male blade; and a wrap section that wraps a slitting-material around the female blade such that the slitting-material makes contact with the female blade on a coated layer side of the slitting-material configured by a support body with a coating layer on the support body harder than the support body; wherein the relative position of the male blade and the female blade are determined such that the male blade slits the slitting-material in a state in which the coating layer is wrapped against the female blade by the wrap section and in contact with the female blade.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: January 7, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuhito Ohyabu, Kyohisa Uchiumi, Yoshiko Kojima