Patents by Inventor Kaoru Mitsugi

Kaoru Mitsugi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210188704
    Abstract: Provided is a method of manufacturing a glass sheet including a step of bringing a glass sheet (G1, G2) having a first liquid adhering to a surface into contact with a roller (5a, 5b). The glass sheet (G1, G2) includes: a first glass sheet (G1); and a second glass sheet (G2) having a contact length with the roller (5a, 5b) which is larger than that of the first glass sheet (G1). The step of bringing the glass sheet (G1, G2) into contact with the roller (5a, 5b) includes a liquid supplying step of, at the time of bringing the first glass sheet (G1) into contact with the roller (5a, 5b), applying a second liquid to a non-contact portion of the roller (5a, 5b) which is prevented from being brought into contact with the first glass sheet (G1).
    Type: Application
    Filed: December 13, 2018
    Publication date: June 24, 2021
    Inventors: Hiroki NAKATSUKA, Kaoru MITSUGI
  • Patent number: 10889519
    Abstract: Provided is method of producing a glass roll, the method including: a conveying step of conveying a glass film (G) along a longitudinal direction thereof; a cutting step of irradiating the glass film (G) with a laser beam (L) from a laser irradiation apparatus (19) while conveying the glass film (G) by the conveying step, to thereby separate the glass film (G) into a non-product portion (Gc) and a product portion (Gd); and a take-up step of taking up the product portion (Gd) into a roll shape, to thereby form a glass roll (R). The cutting step includes winding a thread-like peeled material (Ge) generated from an end portion of the product portion (Gd) in a width direction around a rod-shaped collecting member (20a), to thereby collect the thread-like peeled material (Ge).
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: January 12, 2021
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Naohiro Ikai, Kaoru Mitsugi, Shuji Akiyama, Hiroki Mori, Koichi Mori, Yasuhiro Uemura
  • Patent number: 10766804
    Abstract: A conveying device (14) for a glass film (G) includes: a first support (21) configured to support a first portion (Gc) of the glass film (G) having been cut; a second support (22) configured to support a second portion (Gd) of the glass film (G) having been cut; and an opening (23) formed at a position between the first support (21) and the second support (22) and below a laser irradiation apparatus (19). A cutting step for the glass film (G) includes deforming the glass film (G) so as to be convex downward through the opening (23), and radiating a laser beam (LB) from the laser irradiation apparatus (19) to a position which is within a range of the opening (23), and which is prevented from coinciding with a top (GT) of the glass film (G).
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: September 8, 2020
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Kaoru Mitsugi, Naohiro Ikai, Shuji Akiyama
  • Publication number: 20200230670
    Abstract: A cleaning apparatus for a glass sheet includes a housing in which a cleaning liquid is stored, a plurality of spindle cases fixed to the housing to face an internal space of the housing, a spindle rotatably held in each of the spindle cases to face an internal space of the each of the spindle cases, and a cleaning member mounted to a distal end portion of the spindle. The cleaning apparatus also includes a first supply path formed in the each of the spindle cases to supply the cleaning liquid in the internal space of the housing to the internal space of the each of the spindle cases, and a second supply path formed in the spindle to supply the cleaning liquid in the internal space of the each of the spindle cases to the cleaning member.
    Type: Application
    Filed: September 12, 2018
    Publication date: July 23, 2020
    Applicant: Nippon Electric Glass Co., Ltd.
    Inventor: Kaoru MITSUGI
  • Publication number: 20200164545
    Abstract: Provided is a glass film manufacturing method in which manufacture-related processing is performed on a glass film while the glass film (G) is conveyed, the glass film manufacturing method comprising the step of conveying the glass film (G) on a suction roller (46), wherein the suction roller (46a) is configured to suck only a center portion of the glass film in a width direction of the glass film (G).
    Type: Application
    Filed: February 22, 2018
    Publication date: May 28, 2020
    Inventors: Kaoru MITSUGI, Shuji AKIYAMA, Yoshinori HASEGAWA
  • Patent number: 10562727
    Abstract: A roll-to-roll apparatus reliably reduces breakage of a glass film even in a case of sequentially performing predetermined processing on the glass film. Provided is a glass roll (1) formed by winding a glass film (2) into a roll, in which a resin film (4) is attached onto the glass film (2), and at least a part of the resin film (4) is arranged on a front side of an unwinding direction relative to a leading end portion in the unwinding direction of the glass film (2).
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: February 18, 2020
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Yasuo Teranishi, Kaoru Mitsugi, Yoshinori Hasegawa, Michiharu Eta
  • Publication number: 20190292086
    Abstract: Provided is a method comprises: continuously forming an elongated, glass film having marginal portions from molten glass into a given shape having two marginal portions, in width-directional opposite edge regions thereof, wherein the glass film having marginal portions has the marginal portions, and an effective portion formed in a width-directional central region of the glass film having marginal portions; annealing the glass film having marginal portions; continuously forming resin tapes on the glass film having marginal portions at positions adjacent to and away by a given distance from the respective marginal portions, to extend in a length direction of the glass film having marginal portions; and continuously removing each of the marginal portions from the glass film having marginal portions, along a position between the marginal portion and a corresponding one of the resin tapes, or at a given width-directional position within the corresponding resin tape.
    Type: Application
    Filed: October 17, 2017
    Publication date: September 26, 2019
    Applicants: NITTO DENKO CORPORATION, NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Takeshi MURASHIGE, Junichi INAGAKI, Kazuhito HOSOKAWA, Kota NAKAI, Toshihiro KANNO, Yoshinori HASEGAWA, Kaoru MITSUGI, Naohiro IKAI, Hiroki MORI, Yohei KIRIHATA
  • Publication number: 20190277623
    Abstract: In cutting a band-shaped glass film along a longitudinal direction thereof and evaluating linearity of an end side formed in association with the cutting to inspect quality of a cut band-shaped glass film, the following steps are performed: an imaging step of dividing the end side into a plurality of segments and imaging each of the plurality of segments; a linear approximation step of calculating an approximate straight line of the end side based on a plurality of points different from each other on the end side in each of a plurality of images obtained in the imaging step; a variation calculation step of calculating a variation value of the plurality of points based on the approximate straight line; and an evaluation step of evaluating the linearity of the end side based on a plurality of variation values respectively corresponding to the plurality of images.
    Type: Application
    Filed: November 30, 2017
    Publication date: September 12, 2019
    Inventors: Kaoru MITSUGI, Kazunari NOGUCHI
  • Publication number: 20190177104
    Abstract: Provided is a glass roll (1), including: a winding core (2); a film body (F), which is taken up into a roll shape by the winding core (2), and includes a glass film (3) and a scattering prevention film (7) having a smaller width than the glass film (3); and flanges (8) which are mounted to the winding core (2), and which are arranged on both sides of the film body (F) in a width direction. The film body (F) includes a detachable displacement prevention film (6) on a termination end portion side of the glass film (3) in a take-up direction. The displacement prevention film (6) includes a wide portion (6a) having a lager width than the glass film (3).
    Type: Application
    Filed: October 13, 2017
    Publication date: June 13, 2019
    Inventors: Naoya ISHIDA, Kaoru MITSUGI
  • Publication number: 20190161385
    Abstract: A conveying device (14) for a glass film (G) includes: a first support (21) configured to support a first portion (Gc) of the glass film (G) having been cut; a second support (22) configured to support a second portion (Gd) of the glass film (G) having been cut; and an opening (23) formed at a position between the first support (21) and the second support (22) and below a laser irradiation apparatus (19). A cutting step for the glass film (G) includes deforming the glass film (G) so as to be convex downward through the opening (23), and radiating a laser beam (LB) from the laser irradiation apparatus (19) to a position which is within a range of the opening (23), and which is prevented from coinciding with a top (GT) of the glass film (G).
    Type: Application
    Filed: April 21, 2017
    Publication date: May 30, 2019
    Applicant: Nippon Electric Glass Co., Ltd.
    Inventors: Kaoru MITSUGI, Naohiro IKAI, Shuji AKIYAMA
  • Publication number: 20190152826
    Abstract: Provided is method of producing a glass roll, the method including: a conveying step of conveying a glass film (G) along a longitudinal direction thereof; a cutting step of irradiating the glass film (G) with a laser beam (L) from a laser irradiation apparatus (19) while conveying the glass film (G) by the conveying step, to thereby separate the glass film (G) into a non-product portion (Gc) and a product portion (Gd); and a take-up step of taking up the product portion (Gd) into a roll shape, to thereby form a glass roll (R). The cutting step includes winding a thread-like peeled material (Ge) generated from an end portion of the product portion (Gd) in a width direction around a rod-shaped collecting member (20a), to thereby collect the thread-like peeled material (Ge).
    Type: Application
    Filed: April 21, 2017
    Publication date: May 23, 2019
    Inventors: Naohiro IKAI, Kaoru MITSUGI, Shuji AKIYAMA, Hiroki MORI, Koichi MORI, Yasuhiro UEMURA
  • Patent number: 10189736
    Abstract: A method of manufacturing a glass roll, includes: a forming step (S1) of forming, while conveying a glass film, the glass film by a downdraw method; a temporary rolling step (S3) of rolling the glass film while superposing a protective film on the glass film at a downstream end of a path of the conveying in the forming step (S1), to thereby manufacture a source glass roll; and a main rolling step (S4) of unrolling, while conveying the glass film to a downstream side, the glass film from the source glass roll, and then rerolling the glass film while superposing a protective film on the glass film at a downstream end of a path of the conveying, to thereby manufacture a glass roll. Higher tension in a rolling direction is applied to the glass film in the main rolling step (S4) than in the temporary rolling step (S3).
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: January 29, 2019
    Assignee: NIPPON ELECTRIC GLASS CO., LTD
    Inventors: Kaoru Mitsugi, Hiromichi Umemura, Michiharu Eta, Yasuo Teranishi, Yoshinori Hasegawa, Koichi Mori, Hiroki Mori
  • Patent number: 9914590
    Abstract: Provided is a workpiece conveyance method for conveying a workpiece (1) in a predetermined direction by applying a conveying force (F) to the workpiece (1) while supporting the workpiece (1) through use of free rollers (11), and the workpiece conveyance method includes: applying flows of a fluid to the free rollers (11) to apply a rotation auxiliary force (f) to the free rollers (11) in a rotation direction of the free rollers (11) during conveyance of the workpiece (1).
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: March 13, 2018
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Shuji Akiyama, Kaoru Mitsugi, Koji Nishijima
  • Publication number: 20170166472
    Abstract: A method of manufacturing a glass roll, includes: a forming step (S1) of forming, while conveying a glass film, the glass film by a downdraw method; a temporary rolling step (S3) of rolling the glass film while superposing a protective film on the glass film at a downstream end of a path of the conveying in the forming step (S1), to thereby manufacture a source glass roll; and a main rolling step (S4) of unrolling, while conveying the glass film to a downstream side, the glass film from the source glass roll, and then rerolling the glass film while superposing a protective film on the glass film at a downstream end of a path of the conveying, to thereby manufacture a glass roll. Higher tension in a rolling direction is applied to the glass film in the main rolling step (S4) than in the temporary rolling step (S3).
    Type: Application
    Filed: February 28, 2017
    Publication date: June 15, 2017
    Applicant: Nippon Electric Glass Co., Ltd.
    Inventors: Kaoru MITSUGI, Hiromichi UMEMURA, Michiharu ETA, Yasuo TERANISHI, Yoshinori HASEGAWA, Koichi MORI, Hiroki MORI
  • Patent number: 9656901
    Abstract: A method of manufacturing a glass roll, includes: a forming step (S1) of forming, while conveying a glass film, the glass film by a downdraw method; a temporary rolling step (S3) of rolling the glass film while superposing a protective film on the glass film at a downstream end of a path of the conveying in the forming step (S1), to thereby manufacture a source glass roll; and a main rolling step (S4) of unrolling, while conveying the glass film to a downstream side, the glass film from the source glass roll, and then rerolling the glass film while superposing a protective film on the glass film at a downstream end of a path of the conveying, to thereby manufacture a glass roll. Higher tension in a rolling direction is applied to the glass film in the main rolling step (S4) than in the temporary rolling step (S3).
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: May 23, 2017
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Kaoru Mitsugi, Hiromichi Umemura, Michiharu Eta, Yasuo Teranishi, Yoshinori Hasegawa, Koichi Mori, Hiroki Mori
  • Publication number: 20170087599
    Abstract: Provided is a method of cleaning a surface of a glass film (1b) by causing roller brushes (2) arranged on a conveyance path to rotate in a direction reverse to a conveyance direction of a belt-shaped body (1) while conveying the belt-shaped body (1) that is obtained by coupling together end portions of the belt-shaped glass film (1b) and a leader (1a) by a sheet-shaped coupling member (1c) bonded on surfaces of the end portions. The method includes causing the roller brushes (2) to rotate forward in conformity with the conveyance direction of the belt-shaped body (1) when the coupling member (1c) passes through an arrangement region of the roller brushes (2).
    Type: Application
    Filed: March 18, 2015
    Publication date: March 30, 2017
    Inventors: Shuji AKIYAMA, Kaoru MITSUGI, Koji NISHIJIMA
  • Publication number: 20170073164
    Abstract: Provided is a workpiece conveyance method for conveying a workpiece (1) in a predetermined direction by applying a conveying force (F) to the workpiece (1) while supporting the workpiece (1) through use of free rollers (11), and the workpiece conveyance method includes: applying flows of a fluid to the free rollers (11) to apply a rotation auxiliary force (f) to the free rollers (11) in a rotation direction of the free rollers (11) during conveyance of the workpiece (1).
    Type: Application
    Filed: March 18, 2015
    Publication date: March 16, 2017
    Inventors: Shuji AKIYAMA, Kaoru MITSUGI, Koji NISHIJIMA
  • Patent number: 9278497
    Abstract: A glass-resin laminate comprises an elongate glass film having a thickness of 1 to 300 ?m, and a peelable elongate resin film having a thickness of 1 to 300 ?m and a tensile modulus of elasticity of 0.3 Gpa or more. The elongate resin film is laminated on at least one surface of the elongate glass film so that the elongate resin film protrudes from edges on both sides in a lateral direction of the elongate glass film.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: March 8, 2016
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Hiroki Mori, Yasuo Teranishi, Koichi Mori, Kaoru Mitsugi
  • Publication number: 20160016746
    Abstract: A roll-to-roll apparatus reliably reduces breakage of a glass film even in a case of sequentially performing predetermined processing on the glass film. Provided is a glass roll (1) formed by winding a glass film (2) into a roll, in which a resin film (4) is attached onto the glass film (2), and at least a part of the resin film (4) is arranged on a front side of an unwinding direction relative to a leading end portion in the unwinding direction of the glass film (2).
    Type: Application
    Filed: September 30, 2015
    Publication date: January 21, 2016
    Inventors: Yasuo TERANISHI, Kaoru MITSUGI, Yoshinori HASEGAWA, Michiharu ETA
  • Patent number: 9028940
    Abstract: A sheet roll comprises two glass films and a coupling portion, wherein end portions of the glass films are coupled together via the coupling portion and the coupled glass films are rolled into a roll shape. The coupling portion is a sheet-like coupling member formed of a resin film and placed on the end portions of the two glass films in a rolling direction so as to span therebetween. The sheet-like coupling member includes wide joint portions joined respectively to the end portions of the two glass films, and a necked portion which is narrower than the wide joint portions and is formed at a middle portion of the sheet-like coupling member in the rolling direction.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: May 12, 2015
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Yoshinori Hasegawa, Hiroshi Adachi, Hiroki Mori, Kaoru Mitsugi, Naohiro Ikai