Patents Assigned to Kyoraku Co. Ltd.
  • Publication number: 20240246278
    Abstract: Provided is a die lip opening/closing device capable of preventing wear and damage on an actuator of a pusher. According to the present invention, there is provided a die lip opening/closing device, the device including an opening/closing structure configured to open and close a die lip of a T-die in response to a linear motion of a pusher, and an actuator configured to actuate the pusher to move linearly, wherein the pusher includes a plurality of sub-pushers disposed along a longitudinal direction of the die lip, and the actuator is provided for each of the sub-pushers.
    Type: Application
    Filed: March 30, 2022
    Publication date: July 25, 2024
    Applicant: KYORAKU CO., LTD.
    Inventors: Yoshihiro YAMASAKI, Shuji ITO, Tadatoshi TANJI
  • Publication number: 20240227277
    Abstract: A method of manufacturing a structure is provided in which a burr portion can be more reliably cut. In a burr portion shaping step, the burr portion is sucked to an engaging portion by a suction part to shape the burr portion along the engaging portion, and in a cutting step, ae movable portion is moved relative to first and second split molds with the burr portion being shaped along the engaging portion, thereby the burr portion is cut from a molded main body along a cutting line.
    Type: Application
    Filed: February 18, 2022
    Publication date: July 11, 2024
    Applicant: KYORAKU CO., LTD.
    Inventors: Yuki HARASAWA, Tadatoshi TANJI, Tatsuya FUKUDA, Takurou MATSUDA, Sho NAKAJIMA, Shingo NAGASHIMA
  • Patent number: 12031644
    Abstract: A tubular molded body that can reduce restrictions on attachment to another member to be easily attached to another member. The tubular molded body 10 includes a tube main body 11 formed in a tubular shape and an attachment flange 100 formed in a flange shape to project from the tube main body 11. The attachment flange 100 includes a thin-walled hinge 130 and is rotatable by the hinge.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: July 9, 2024
    Assignee: KYORAKU CO., LTD.
    Inventors: Naoto Tani, Masaaki Onodera, Yuichi Ishida, Satoru Kinoshita
  • Patent number: 12017504
    Abstract: A duct structure having excellent sealing performance at a connection portion between a duct and a piping member. The duct structure includes a duct and a piping member. The duct includes an opening in a tubular portion, and the piping member includes a piping portion. The piping portion is inserted into the opening and connected to the duct, and a foam rubber sealing material is disposed in a compressed state between an outer peripheral surface of the piping portion and an edge of the opening.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: June 25, 2024
    Assignees: KYORAKU CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryosuke Oki, Tomoya Taguchi
  • Publication number: 20240190636
    Abstract: Provided is a double container where an inner bag can be easily pulled out from an outer shell. According to the present invention, a double container comprising a container body and a mouth part attachment member is provided. The container body includes a mouth part and a body part and a bottom part. The mouth part is a tubular portion having an open end. The body part is arranged adjacent to the mouth part on a side farther from the open end than the mouth part, and has a larger outer diameter than the mouth part. The bottom part is configured to close a lower end of the body part. The container body includes an inner bag and an outer shell arranged to cover the inner bag. And the mouth part attachment member is configured to be attachable to the mouth part, and is configured such that the inner bag rotates as the mouth part attachment member rotates.
    Type: Application
    Filed: March 29, 2022
    Publication date: June 13, 2024
    Applicant: KYORAKU CO., LTD.
    Inventors: Yosuke MUROYA, Shinsuke TARUNO, Yuhi KURAHASHI, Takayuki KATO, Takeru SANO, Ippei OHMURA, Takaya NIIMI, Kouichiro YOSHIDA, Tetsuaki EGUCHI
  • Patent number: 11994159
    Abstract: An objective of the present invention is to attach an attached member to a resin panel with less man-hours. According to the present invention, provided is a manufacturing method of a resin panel including an attaching step. In the attaching step, an attached member is attached to a surface of a resin molded body by arranging a rivet body provided on a blind rivet in a concave portion formed on the surface, tearing a part of the rivet body to enlarge a diameter of the part of the rivet body, and allowing the part of the rivet body to penetrate a wall surface of the concave portion.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: May 28, 2024
    Assignee: KYORAKU CO., LTD.
    Inventors: Kazuhiko Saeki, Sho Nakajima, Ryuichi Ishida
  • Publication number: 20240157901
    Abstract: An impact absorber that is capable of inhibiting variation in performance by controlling buckling behavior. An impact absorber including a hollow blow molded article, wherein the blow molded article includes a front wall and a back wall separated into front and back and facing each other and a side wall connecting the front wall with the back wall, the front wall includes a tubular front side concave rib formed by indenting the front wall, the back wall includes a tubular back side concave rib formed by indenting the back wall, and the front side concave rib and the back side concave rib have distal end portions welded to each other, at least one of the front side concave rib and the back side concave rib has a buckling induction section formed as origin of buckling for impact absorption.
    Type: Application
    Filed: March 23, 2022
    Publication date: May 16, 2024
    Applicant: KYORAKU CO., LTD.
    Inventor: Takafumi FUNATO
  • Patent number: 11981291
    Abstract: The present invention aims to provide a luggage room board that reliably produces a cushioning effect during opening and closing operations, whereby the impact is not applied during the opening and closing operations. The luggage room board 1 includes the luggage room board main body 2 made of resin and is configured to be opened and closed. For example, a tape-shaped cushioning material (non-woven fabric) is attached to the luggage room board main body 2 along two sides orthogonal to a rotation center line serving as the rotation center of the opening and closing operations. At one of ends 20a of a non-woven fabric 20, a concave portion 30 is provided on a surface of the luggage room board main body 2 to which the non-woven fabric is attached, and the end 20a of the non-woven fabric 20 is attached so as to enter the concave portion 30. The concave portion 30 is formed such that a depth gradually increases toward the end 20a of the non-woven fabric 20.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: May 14, 2024
    Assignee: KYORAKU CO., LTD.
    Inventors: Kenji Iwasaki, Sho Nakajima, Yoshitaka Matsubara, Yuki Harasawa
  • Publication number: 20240131777
    Abstract: A method of manufacturing a structure is provided in which a burr portion can be more reliably cut. In a burr portion shaping step, the burr portion is sucked to an engaging portion by a suction part to shape the burr portion along the engaging portion, and in a cutting step, ae movable portion is moved relative to first and second split molds with the burr portion being shaped along the engaging portion, thereby the burr portion is cut from a molded main body along a cutting line.
    Type: Application
    Filed: February 18, 2022
    Publication date: April 25, 2024
    Applicant: KYORAKU CO., LTD.
    Inventors: Yuki HARASAWA, Tadatoshi TANJI, Tatsuya FUKUDA, Takurou MATSUDA, Sho NAKAJIMA, Shingo NAGASHIMA
  • Patent number: 11964794
    Abstract: A container capable of suppressing the unexpected opening of a pair of upper walls including a first side wall and a second side wall facing each other; a third side wall provided therebetween; a first upper wall and a second upper wall; and a locking member. The first side wall and the second side wall face each other. The first upper wall and the second upper wall are configured to be rotatable with respect to the first side wall and the second side wall, respectively. The locking member includes a fixed portion and an engagement portion, the fixed portion being fixed to the third side wall, the engagement portion being engaged with at least one of the first upper wall and the second upper wall to prevent the first upper wall and the second upper wall from opening.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: April 23, 2024
    Assignee: Kyoraku Co., Ltd.
    Inventors: Kouichiro Yoshida, Naohiro Ikeguchi
  • Patent number: 11958569
    Abstract: An object of the present invention is to provide a float assembly that can prevent the floats from flipping. The present invention provides a float assembly including a plurality of floats connected together comprising: a filled float having a hollow portion, wherein the hollow portion has a part filled with a filler, and the filled float is arranged at a position facing an assembly periphery surrounding the float assembly.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: April 16, 2024
    Assignee: KYORAKU CO., LTD.
    Inventors: Tsutomu Sakaguchi, Hirofumi Nagai, Yasunobu Ueda, Takaya Niimi, Ayumu Yukawa
  • Publication number: 20240109238
    Abstract: A resin residue removal device is provided that is capable of appropriately removing a resin residue adhered to a lower surface of a die of a molding apparatus. The present invention provides a resin residue removal device for removing a resin residue adhered to a lower surface of a die of a molding apparatus, the device including a moving mechanism and a resin residue removal head, wherein the moving mechanism is configured to move the resin residue removal head between a lateral position out of a position immediately below the die and an immediately below position as the position immediately below, and also in the immediately below position, to move the head between a separate position separate from the lower surface and a close position close to the lower surface, and the resin residue removal head is configured to allow removal of the resin residue adhered to the lower surface by moving along the lower surface.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 4, 2024
    Applicant: KYORAKU CO., LTD.
    Inventor: Tadatoshi TANJI
  • Patent number: 11912464
    Abstract: The present disclosure provides a container with an increased movable range of an upper wall with respect to a side wall. According to the present disclosure provided is a container including a side wall, an upper hinge member, and an upper wall, wherein the upper hinge member and the side wall are connected rotatably around a first rotation axis, the upper hinge member and the upper wall are connected rotatably around a second rotation axis, and the first and second rotation axes are parallel.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: February 27, 2024
    Assignee: KYORAKU CO., LTD.
    Inventors: Kouichiro Yoshida, Yoshitaka Matsubara, Teruhisa Hanafusa
  • Patent number: 11890802
    Abstract: A molding apparatus provided with a transfer capable of transferring a heavy-weight mold clamping device. The molding apparatus that molds a molded product, includes: a mold clamping device clamping a parison extruded from an extruder to obtain a molded body, a transfer rail to support the mold clamping device in a transferable manner, and an electric cylinder to transfer the mold clamping device along the transfer rail. The mold clamping device includes first and second platens for holding a die, and a clamping drive unit for driving the first and second platens closer to or separated from each other, the electric cylinder includes a motor having an output shaft and a feed screw mechanism that converts the rotary motion of the output shaft into a linear motion.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: February 6, 2024
    Assignees: KYORAKU CO., LTD., SIKA MACHINERY CO., LTD.
    Inventors: Tzu Chiang Chang, Shuji Ito
  • Patent number: 11851234
    Abstract: The present invention provides a plastic container with excellent slipping property for contents. According to the present invention, provided is a plastic container for storing contents, wherein the plastic container is a blow molded body, an innermost layer in contact with the contents is formed of a resin composition containing a base resin and filler particles, and an inner surface of the innermost layer is provided with concave and convex shapes due to presence of the filler particles.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: December 26, 2023
    Assignees: KYORAKU CO., LTD., TOYO ALUMINIUM KABUSHIKI KAISHA
    Inventors: Tatsuro Aoki, Takayoshi Hosoya, Taro Ikeda, Hiroaki Awata
  • Publication number: 20230405912
    Abstract: The present invention provides a method for manufacturing a panel by which the formation of a blister-shaped inflation portion at the boundary between an intermediate portion and a hinge can be suppressed, even when the size of the intermediate portion is small. According to the present invention, provided is a method for manufacturing a panel, wherein the panel comprises first and second main body portions, and a hinge portion, the hinge portion comprises first and second hinges extending in parallel and an intermediate portion arranged therebetween, the first main body portion and the intermediate portion are connected by the first hinge so as to be able to pivot relative to each other, the second main body portion and the intermediate portion are connected by the second hinge so as to be able to pivot relative to each other.
    Type: Application
    Filed: November 24, 2021
    Publication date: December 21, 2023
    Applicant: KYORAKU CO., LTD.
    Inventors: Yuki HARASAWA, Sho NAKAJIMA, Ryuichi ISHIDA
  • Publication number: 20230398953
    Abstract: Provided is a panel capable of suppressing delamination of a base material and a surface material. The present invention provides a panel comprising a base material and a surface material, wherein the surface material is fixed inside a recessed part provided on the base material.
    Type: Application
    Filed: October 12, 2021
    Publication date: December 14, 2023
    Applicant: KYORAKU CO., LTD.
    Inventors: Kouichiro YOSHIDA, Yosuke HAYASHI, Takashi KOMENO, Yuki HARASAWA, Kentaro KUNIMORI
  • Patent number: 11833723
    Abstract: The present invention provides a process for producing a blow-molded foam including foamed cells, the process including: kneading a polyolefin-based resin containing a foaming agent mixed therewith in an extruder, and extruding a parison formed of the polyolefin-based resin between split mold blocks from a die slit at an extrusion rate of 700 kg/h or more.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: December 5, 2023
    Assignee: KYORAKU CO., LTD.
    Inventors: Masaaki Onodera, Takehiko Sumi, Teruo Tamada, Yu Igarashi, Yoshinori Ohno
  • Publication number: 20230364847
    Abstract: The present invention provides a double container capable of suppressing the deterioration of the gas barrier property under high humidity environment. According to the present invention, provided is a double container comprising a container body, wherein the container body has an outer shell and the inner bag, the container body is configured such that the inner bag contracts as content is reduced, and the inner bag comprises an inner layer, a gas barrier layer, and an outer layer, in order from an inside of the container body.
    Type: Application
    Filed: October 12, 2021
    Publication date: November 16, 2023
    Applicant: KYORAKU CO., LTD.
    Inventors: Yuhi KURAHASHI, Shinsuke TARUNO, Yosuke MUROYA
  • Publication number: 20230356905
    Abstract: A self-standing packaging bag for use in a microwave oven. The packaging bag is made of a flexible film formed into a bag shape, the packaging bag includes a bottom surface portion and a peripheral surface portion provided to rise from the bottom surface portion, the peripheral surface portion includes a front surface portion and a back surface portion facing each other and includes an opening that opens upward, the peripheral surface portion includes an openable member configured to open and close the opening, and an opening portion for opening the packaging bag, the opening portion is provided closer to the bottom surface portion than the openable member, a container-shaped main body portion obtained by tearing the peripheral surface portion in a circumferential direction at the opening portion and removing a tear-off portion above the opening portion is usable as a dish when eating contents in the packaging bag.
    Type: Application
    Filed: June 24, 2021
    Publication date: November 9, 2023
    Applicant: KYORAKU CO., LTD.
    Inventors: Masaaki SUEOKA, Shun MORIOKA, Yosuke MUROYA