Patents Assigned to Akebono Machine Industries Co., Ltd.
  • Patent number: 8919232
    Abstract: In a process of transporting a strip-shaped optical film F, the optical film F is cut to a predetermined length. Thereafter, the sheet-like optical films F divided by the cutting are intermittently transported while the strip-shaped optical film F is fed by the predetermined length such that a portion to be cut next reaches a cutting action position. Further, a leading one of the sheet-like optical films F in the intermittent transport process is transported to a continuous transport process such that a rear end thereof passes the intermittent transport process in a subsequent intermittent transport operation. Herein, the sheet-like optical film F is transported to the downstream-side continuous transport process following the intermittent transport process to continuously transport the optical film F.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: December 30, 2014
    Assignees: Nitto Denko Corporation, Akebono Machine Industries Co., Ltd.
    Inventors: Junpei Kozasa, Shoji Negishi
  • Publication number: 20140041497
    Abstract: In a process of transporting a strip-shaped optical film F, the optical film F is cut to a predetermined length. Thereafter, the sheet-like optical films F divided by the cutting are intermittently transported while the strip-shaped optical film F is fed by the predetermined length such that a portion to be cut next reaches a cutting action position. Further, a leading one of the sheet-like optical films F in the intermittent transport process is transported to a continuous transport process such that a rear end thereof passes the intermittent transport process in a subsequent intermittent transport operation. Herein, the sheet-like optical film F is transported to the downstream-side continuous transport process following the intermittent transport process to continuously transport the optical film F.
    Type: Application
    Filed: October 22, 2013
    Publication date: February 13, 2014
    Applicants: AKEBONO MACHINE INDUSTRIES CO., LTD., NITTO DENKO CORPORATION
    Inventors: Junpei Kozasa, Shoji Negishi
  • Patent number: 8601921
    Abstract: In a process of transporting a strip-shaped optical film F, the optical film F is cut to a predetermined length. Thereafter, the sheet-like optical films F divided by the cutting are intermittently transported while the strip-shaped optical film F is fed by the predetermined length such that a portion to be cut next reaches a cutting action position. Further, a leading one of the sheet-like optical films F in the intermittent transport process is transported to a continuous transport process such that a rear end thereof passes the intermittent transport process in a subsequent intermittent transport operation. Herein, the sheet-like optical film F is transported to the downstream-side continuous transport process following the intermittent transport process to continuously transport the optical film F.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: December 10, 2013
    Assignees: Nitto Denko Corporation, Akebono Machine Industries Co., Ltd.
    Inventors: Junpei Kozasa, Shoji Negishi
  • Patent number: 8524536
    Abstract: Nip rollers 11 and 12 each including a pair of upper and lower rollers are disposed on an upstream side and a downstream side with a portion to be cut of an optical film F located therebetween. In the nip roller 12, a center axis C of the upper roller 12b is displaced relative to a center axis L of the drive roller 12a in a direction away from the portion to be cut. Upon cutting of the polarizing film F, the upper rollers 11b and 12b are simultaneously moved downward, so that a timing at which the downstream nip roller 12 nips the polarizing film F is delayed. Further, the nip roller 12 pulls the polarizing film F in the direction away from the portion to be cut, so that tension is applied to the polarizing film F. In this state, the polarizing film F is cut by a laser device 10.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: September 3, 2013
    Assignees: Nitto Denko Corporation, Akebono Machine Industries Co., Ltd.
    Inventors: Kouta Nakai, Junpei Kozasa, Yoshio Takahashi, Masahiro Hosoi
  • Patent number: 8257638
    Abstract: A suction table 9 is disposed at a cutting action position for a polarizing film F, and holding blocks 9a and 9b, which are different in height from each other, are disposed in proximity to each other along a transport direction on a surface of the suction table 9 to form a suction groove 14. Nip rollers 11 and 12 are disposed on front and rear sides of the suction table 9 to nip opposed ends of the polarizing film F. Further, the suction table 9 suction-holds the polarizing film F in a state that the polarizing film F is inclined with the suction groove 14 located below a portion to be cut. In this state, a laser device 10 scans the polarizing film F along the suction groove 14 to cut the polarizing film F in a width direction.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: September 4, 2012
    Assignees: Nitto Denko Corporation, Akebono Machine Industries Co., Ltd.
    Inventors: Kouta Nakai, Junpei Kozasa, Masahiro Hosoi