Patents Assigned to Kyoraku Co. Ltd.
  • Patent number: 11305849
    Abstract: Present invention provides a float capable of suppressing deformation of the synthetic resin body even if internal gas expands and contracts due to environmental temperature change. A float comprises a float body made of a synthetic resin molded in a hollow shape, a projecting portion projecting from the upper surface of the float body and having a vent hole, and a microporous membrane adhered to the outside of the vent hole.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: April 19, 2022
    Assignee: KYORAKU CO., LTD.
    Inventors: Takaya Niimi, Yoshinori Motohashi, Tsutomu Sakaguchi
  • Publication number: 20220105675
    Abstract: The present invention provides a granular material for a fused deposition three-dimensional printer that enables a flexible molded object to be manufactured with high precision. According to the present invention, provided is a granular material for a fused deposition three-dimensional printer. The granular material is formed of a thermoplastic elastomer, and thermoplastic elastomer has a Shore A hardness of 0 to 10 and a melt flow rate of 10 to 200 g/10 min at least one of measurement temperatures of 120 to 230° C.
    Type: Application
    Filed: February 4, 2020
    Publication date: April 7, 2022
    Applicant: KYORAKU CO., LTD.
    Inventors: Ryohei YUASA, Takashi NOMURA
  • Patent number: 11267187
    Abstract: A mold which can improve an appearance of a molded body is provided. A mold includes a cavity, the mold being capable of subjecting a resin sheet under reduced pressure suction via a plurality of reduced pressure suction holes thereby shaping the resin sheet to follow a shape of an inner surface of the cavity; wherein: the inner surface includes a base surface and a plurality of island-like concave portions provided in the base surface; and a concave portion reduced pressure suction hole index defined by an in-concave reduced pressure suction hole ratio divided by a concave portion area ratio is 0.5 or lower.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: March 8, 2022
    Assignee: KYORAKU CO., LTD.
    Inventors: Tatsuya Fukuda, Yuki Harasawa, Ryosuke Oki
  • Publication number: 20220063858
    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: Application
    Filed: January 23, 2020
    Publication date: March 3, 2022
    Applicants: KYORAKU CO., LTD., TOYO ALUMINIUM KABUSHIKI KAISHA
    Inventors: Tatsuro AOKI, Takayoshi HOSOYA, Taro IKEDA, Hiroaki AWATA
  • Publication number: 20220063140
    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: Application
    Filed: January 23, 2020
    Publication date: March 3, 2022
    Applicants: KYORAKU CO., LTD., SIKA MACHINERY CO., LTD.
    Inventors: Tzu Chiang CHANG, Shuji ITO, Yu IGARASHI
  • Publication number: 20220055795
    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: Application
    Filed: December 23, 2019
    Publication date: February 24, 2022
    Applicant: KYORAKU CO., LTD.
    Inventors: Kouichiro YOSHIDA, Naohiro IKEGUCHI
  • Patent number: 11247384
    Abstract: According to a method for manufacturing a structure that is provided, it is possible to prevent creases on a skin sheet when the skin sheet and a molten resin sheet are integrally molded using a mold. The method provided by the present invention is a method for manufacturing a structure including the step of integrally molding a skin sheet and a molten resin sheet using a mold. The molding is performed with the skin sheet under tension.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: February 15, 2022
    Assignee: KYORAKU CO., LTD.
    Inventors: Yoshihiro Yamasaki, Yu Igarashi, Yuta Minamigawa, Teruo Tamada, Yosuke Hayashi, Kunimasa Ozaki
  • Patent number: 11247338
    Abstract: A robot system capable of separating an adhesive member from a cover material and sticking the adhesive member on an object without a complicated setting. A robot system including a sticking mechanism configured to clamp and stick an adhesive member on an object and a supply mechanism capable of supplying the adhesive member, wherein the sticking mechanism includes a robot hand configured to clamp and release the adhesive member and a robot arm configured to move the robot hand; and the supply mechanism is separate from the sticking mechanism, supplies the adhesive member in a state that the adhesive member is stuck to a cover material, and separates the cover material from the adhesive member.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: February 15, 2022
    Assignee: KYORAKU CO., LTD.
    Inventors: Takeshi Kato, Yoshinori Ono
  • Patent number: 11241807
    Abstract: The purpose of the present invention is to provide a molded article and a manufacturing method for a molded article by which it is possible to mitigate deformation of an opening. The present invention provides a molded article comprising a cylindrical base and an opening provided in the base, wherein a rib is provided adjacent to the opening. The present invention provides a manufacturing method for a molded article that includes a molded body formation step for forming a molded body having a cylindrical portion provided at one end thereof with an occlusion by molding a melted resin, and a cut-off step for cutting off the occlusion by cutting the cylindrical portion, wherein in the cut-off step, the cutting is performed in a state where a side wall of the cylindrical portion is warped in-plane by an external force.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: February 8, 2022
    Assignee: KYORAKU CO., LTD.
    Inventors: Masaaki Onodera, Naoya Kano, Yoshitaka Matsubara, Motoharu Fujii
  • Patent number: 11242439
    Abstract: A foam duct has a superior cushioning property. The foam duct includes a tube portion; while the tube portion has a cell deformation ratio in a circumferential direction of 0.3 or lower, and a cell anisotropy of 0.6 to 1.6.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: February 8, 2022
    Assignee: KYORAKU CO., LTD.
    Inventor: Masaaki Onodera
  • Patent number: 11241810
    Abstract: A molding machine configured to achieve space saving and simplification of the hydraulic circuit. Provided is a molding machine configured to form a molded body by closing, in a state where a parison is disposed by injecting molten resin between first and second molds capable of being opened and closed, the first and second molds and maintaining pressure applied to the first and second molds. A hydraulic circuit to conduct oil for generating hydraulic pressure; the flow adjustment valve, a pressure adjustment valve, and a path control valve included in the hydraulic circuit; and a multi-functional valve unit.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: February 8, 2022
    Assignees: KYORAKU CO., LTD., SIKA MACHINERY CO., LTD.
    Inventor: Tzu Chiang Chang
  • Publication number: 20220024542
    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: Application
    Filed: November 22, 2019
    Publication date: January 27, 2022
    Applicant: KYORAKU CO., LTD.
    Inventors: Tsutomu SAKAGUCHI, Hirofumi NAGAI, Yasunobu UEDA, Takaya NIIMI, Ayumu YUKAWA
  • Patent number: 11225351
    Abstract: A delaminatable container excellent in productivity is provided. The present invention provides a delaminatable container comprising a container body having an outer shell and an inner bag, the inner bag to be shrunk with a decrease in contents, wherein the container body includes a storage portion to store the contents and a bottom seal protrusion protruding from a bottom surface of the storage portion, the container body is configured to seal the outer shell and the inner bag in the bottom seal protrusion, and the bottom seal protrusion includes a tapered portion extending in a longitudinal direction of the bottom seal protrusion and tapered from the bottom surface toward an end.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: January 18, 2022
    Assignee: KYORAKU CO., LTD.
    Inventor: Shinsuke Taruno
  • Publication number: 20210404495
    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: Application
    Filed: October 24, 2019
    Publication date: December 30, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Kazuhiko SAEKI, Sho NAKAJIMA, Ryuichi ISHIDA
  • Publication number: 20210363318
    Abstract: A molded foam that can be easily taken out of split mold blocks is provided. According to an aspect of the present disclosure, a molded foam (1) is obtained by clamping, with split mold blocks, foamed resin obtained by melting and kneading a polyethylene-based resin, wherein the molded foam (1) has a MFR (190° C., g/10 min) of less than 0.8, or the polyethylene-based resin has a MFR (190° C., g/10 min) of not more than 1.0.
    Type: Application
    Filed: August 5, 2021
    Publication date: November 25, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Masaaki ONODERA, Takeru SANO
  • Publication number: 20210362464
    Abstract: The present invention provides a structure that improves sound absorption coefficient. The present invention provides a structure comprising: a foam resin layer formed of a foam material having a foaming ratio of 1.1 to 8 times; and a sound absorbing layer formed of a foam material having a foaming ratio of 10 to 30 times, the sound absorbing layer laminated on the foam resin layer.
    Type: Application
    Filed: August 15, 2018
    Publication date: November 25, 2021
    Applicant: KYORAKU CO., LTD.
    Inventor: Yoshinori ONO
  • Patent number: 11174060
    Abstract: The present invention provides a delaminatable container capable of inhibiting reduction in aroma constituents of contents. According to the present invention, provided is the delaminatable container comprising an outer layer and an inner layer and having an inner bag which is composed of the inner layer and configured to contract with a decrease in the contents. The inner layer comprises, as an innermost layer, an inner EVOH layer composed of EVOH resin, and the EVOH resin contained in the inner EVOH layer has an ethylene content of equal to or less than 34 mol %.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: November 16, 2021
    Assignee: KYORAKU CO., LTD.
    Inventor: Tetsuaki Eguchi
  • Patent number: 11141905
    Abstract: A method of manufacturing a foam molded article is disclosed. The method includes the steps of forming a foam parison by extruding a molten, kneaded resin containing a foaming agent through an annular slit in an extrusion direction in which a molding region between a pair of split molds lies, and molding a foam molded article by closing the split molds with respect to the foam parison located in the molding region. The parison formation step includes performing pre-blowing by injecting air toward an inner surface of the foam parison in a direction which forms an angle of 45° or more and 135° or less with the extrusion direction.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: October 12, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Masaaki Onodera, Yoshinori Ono, Yu Igarashi
  • Patent number: 11141901
    Abstract: A molded resin strand includes a first layer containing thermoplastic resin, and a second layer covering the first layer and containing thermoplastic resin exhibiting physical properties different from those of the first layer. For example, the second layer is melt-extruded with the second layer covering the first layer. A three-dimensional object is modeled by lamination deposition by fusion between adjacent second layers. In a molded resin strand manufacturing method, a melt-kneaded resin material is continuously extruded from a ferrule of an extruder. The extruded molded resin strand is vacuum-sucked while passing through a sizing device. Subsequently, the molded resin strand is wound up after cooling solidification. The sizing device is provided with a space having a circular cross section, and a surface of the sizing device facing the space is provided with a plurality of vacuum suction grooves.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: October 12, 2021
    Assignee: Kyoraku Co., Ltd.
    Inventors: Ryohei Yuasa, Takashi Nomura, Naoki Ueda
  • Publication number: 20210293358
    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: Application
    Filed: July 26, 2019
    Publication date: September 23, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Naoto TANI, Masaaki ONODERA, Yuichi ISHIDA, Satoru KINOSHITA