With Reactive Material Support Surface Patents (Class 242/525.7)
  • 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