Patents Assigned to Kyoraku Co. Ltd.
  • Publication number: 20210276232
    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: Application
    Filed: May 21, 2021
    Publication date: September 9, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Masaaki ONODERA, Takehiko SUMI, Teruo TAMADA, Yu IGARASHI, Yoshinori OHNO
  • Patent number: 11111349
    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 is obtained by clamping, with split mold blocks, foamed resin obtained by melting and kneading a polyethylene-based resin, wherein the molded foam 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: Grant
    Filed: December 8, 2014
    Date of Patent: September 7, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Masaaki Onodera, Takeru Sano
  • Publication number: 20210261225
    Abstract: A structure capable of suppressing load applied to a solar panel module due to thermal expansion and contraction of a float. Provided is a structure including a float, a solar panel module having a plate portion, and a supporting member fixed to the float and supporting the plate portion. The plate portion is supported to be movable relative to the supporting member, and a cushioning member is disposed between the supporting member and the plate portion.
    Type: Application
    Filed: June 19, 2019
    Publication date: August 26, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Hirofumi NAGAI, Takaya NIIMI
  • Publication number: 20210221033
    Abstract: A manufacturing method of a structure by which a target member can be easily positioned with high accuracy. In a tilting step, at least one target member is positioned by tilting a positioning table and sliding the target member placed on the positioning table to bring the target member into contact with a locking portion.
    Type: Application
    Filed: July 24, 2019
    Publication date: July 22, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Hisanao HATO, Tadatoshi TANJI, Takeshi KATO, Tatsuya FUKUDA, Yuki HARASAWA
  • Patent number: 11052594
    Abstract: The present invention relates to molded foam having no hollow space caused in a plate-shaped portion. The molded foam comprises a tube body and a plate-shaped portion joined to the outer side of the tube body. The expansion ratio of the molded foam is lower than two, and a value of a thickness B/a thickness A as a relationship between the thickness A of the tube body at the periphery of a point joined to the plate-shaped portion and the thickness B of the plate-shaped portion is less than 2.82.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: July 6, 2021
    Assignee: Kyoraku Co., Ltd.
    Inventors: Akihiko Watanabe, Masaaki Onodera
  • Patent number: 11045982
    Abstract: An object of the invention is to provide a blow-molded foam which has homogeneous foamed cells in size, is light in weight, and is excellent in surface smoothness, and a process for producing the same. The invention is directed to a blow-molded foam 1 having a wall portion formed in such a manner that a thermoplastic resin containing a foaming agent mixed therewith is subjected to blow molding. Herein, the wall portion has a closed cell structure in which a plurality of foamed cells are contained. The wall portion has an expansion ratio of not less than 2.0 times. The wall portion has an outer face having a center-line average surface roughness Ra of less than 9.0 ?m. The foamed cell has a cell diameter having a standard deviation of less than 40 ?m in a thickness direction of the wall portion.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: June 29, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Masaaki Onodera, Takehiko Sumi, Teruo Tamada, Yu Igarashi, Yoshinori Ohno
  • Patent number: 11050382
    Abstract: The present invention is aimed at providing a float aggregate which can be manufactured at low cost and has countermeasures against wind pressure suitable for use on water. According to the present invention, provided is a float aggregate formed by connecting a plurality of floats configured for mounting a solar panel thereon, wherein the solar panel is provided on at least one of the plurality of floats so as to be inclined with respect to a surface of the float and to face a rear side of the float aggregate, the plurality of floats includes a base end float located along an end portion of on a front side of the float aggregate, and the base end float is provided with a windbreak member inclined with respect to a surface of the base end float and to face the front side of the float aggregate.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: June 29, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Yoshinori Motohashi, Seiji Ono, Tsutomu Sakaguchi, Yasunobu Ueda
  • Publication number: 20210186154
    Abstract: A structure in which complexity of the moving path of the nozzle during forming is suppressed even if the structure has regions with different elasticity and a manufacturing method for a structure that can suppress complexity of the moving path of the nozzle when forming the structure with regions with different elasticity. The structure includes a formed body with a linear structure formed of a linear resin. The formed body includes first and second elastic regions, and the linear resin forming the first elastic region is thinner than the linear resin forming the second elastic region.
    Type: Application
    Filed: June 28, 2019
    Publication date: June 24, 2021
    Applicant: KYORAKU CO., LTD.
    Inventor: Ryohei YUASA
  • Publication number: 20210178653
    Abstract: A molding-forming method, a molding mold, and a molding production apparatus with which efficient burrs removal is possible without requiring a large apparatus. A molding production method includes, in addition to a molding being formed inside a mold, burrs formed around the molding are separated from the molding. After formation of the molding, air is blown inside the mold on at least a portion of the burrs formed around the molding to cool the same, a projecting member is projected toward the cooled burrs, and the burrs are separated from the molding. After pressing the burrs toward the projecting member by the air blowing, the burr is pressed toward the mold surface facing the projecting member by projection of the projecting member to separate the burr from the molding.
    Type: Application
    Filed: October 30, 2018
    Publication date: June 17, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Kengo SHIMADA, Tadatoshi TANJI, Naoto TANI, Masaaki ONODERA
  • Publication number: 20210180377
    Abstract: A structure body having a resin molded body which can suppress deterioration of external appearance due to meander of the folded line formed in the hinge portion even when the resin constituting the resin molded body contains an inorganic fiber. The structure body has a resin molded body and the resin molded body includes: a first main body portion and a second main body portion; and a hinge portion; wherein the first main body portion and the second main body portion are connected at the hinge portion with each other so as to be rotatable with respect to each other; the hinge portion comprises a first thin portion, a second thin portion, and a thick portion.
    Type: Application
    Filed: January 29, 2019
    Publication date: June 17, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Kenji ISHII, Kazuo WAKI, Sho NAKAJIMA
  • Publication number: 20210170633
    Abstract: A filament can enable an arbitrary material to exhibit shape memory characteristics. A filament includes a linear core; and a covering layer covering the core; wherein: the core is formed with a shape memory material; and the covering layer is formed with a material different from the material of the core.
    Type: Application
    Filed: November 2, 2018
    Publication date: June 10, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Ryohei YUASA, Takashi NOMURA
  • Publication number: 20210147105
    Abstract: A delaminatable container excellent in productivity is provided. According to an exemplary aspect, a delaminatable container, includes a container body having an outer shell and an inner bag, the inner bag delaminating from the outer shell and being shrunk with a decrease in contents, wherein the container body includes a bottom seal protrusion protruding from a bottom surface of a storage portion to store the contents, and the bottom seal protrusion is a sealing portion of, in blow molding using a cylindrical laminated parison provided with an outer layer constituting the outer shell and an inner layer constituting the inner bag, the laminated parison and is bent.
    Type: Application
    Filed: February 1, 2021
    Publication date: May 20, 2021
    Applicant: KYORAKU CO., LTD.
    Inventor: Shinsuke TARUNO
  • Publication number: 20210130563
    Abstract: According to the present invention, provided is a foam molding resin containing low-density polyethylene, wherein a strain hardening degree of the low-density polyethylene is equal to or more than 0.40.
    Type: Application
    Filed: August 23, 2018
    Publication date: May 6, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Takaaki SOMEYA, Takeru SANO
  • Patent number: 10988592
    Abstract: It is an object of the present invention to provide a foam molding resin containing LDPE capable of enhancing foaming magnification. According to the present invention, there is provided a foam molding resin containing low-density polyethylene, wherein the low-density polyethylene has a melt tension of 100 to 250 mN and a shear viscosity of 350 to 450 Pa·s.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: April 27, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Takaaki Someya, Takeru Sano
  • Patent number: 10988603
    Abstract: Provided is a molded resin strand configured so that interlayer fusion of a shaped object can be improved and mechanical aptitude (specifically, stiffness) in a 3D printer can be more improved even in a case where an inorganic filler such as carbon fibers is mixed. The molded resin strand contains thermoplastic resin, an inorganic filler, and ?-olefin elastomer. The thermoplastic resin is polypropylene, for example. The inorganic filler is carbon fibers, for example. The ?-olefin elastomer is ethylene-?-olefin copolymer, for example. The molded resin strand of the present invention is used for a 3D printer employing a fused deposition modeling method.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: April 27, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Ryohei Yuasa, Takashi Nomura
  • Patent number: 10988584
    Abstract: Provided is a resin for foam molding excellent in foam molding property and low-temperature impact resistance. According to the present invention, provided is a resin for foam molding including a component A, a component B and a component C. The component A is a long-chain branched homopolypropylene, the component B is a long-chain branched block polypropylene, the component C is a polyethylene-based elastomer, and when a total of the components A to C is 100 parts by mass, content of the component A is 20 to 70 parts by mass, content of the component B is 20 to 70 parts by mass, and content of the component C is 1 to 20 parts by mass.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: April 27, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Takaaki Someya, Takeru Sano, Yoshinori Ono, Tadatoshi Tanji
  • Patent number: 10974436
    Abstract: The first aspect of the present invention provides a foamed structure, comprising: a first foamed body extending in a first direction; a second foamed body extending in the first direction and facing the first foamed body with a gap interposed therebetween; and a reinforcement disposed in the gap between the first foamed body and the second foamed body, the reinforcement having an elongated shape, wherein the first foamed body has a portion overlapping with the second foamed body in the first direction view.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: April 13, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Takafumi Funato, Sho Nakajima, Kazuhiko Saeki, Kenji Ishii, Ryuichi Ishida, Ryosuke Oki, Tatsuya Fukuda, Yuki Harasawa
  • Patent number: 10974885
    Abstract: The delaminatable container is capable of suppressing deterioration of the contents under high-temperature environment. The delaminatable container includes a container body; and a tubular outer case being installed in the container body; wherein: the container body includes an outer shell and an inner bag, and the inner bag shrinks as contents decrease.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: April 13, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Yoshio Yamauchi, Teruhisa Hanafusa, Kouichiro Yoshida, Yusuke Hiraina
  • Patent number: 10968028
    Abstract: The objective of the present invention is to provide a container for microwave oven and a package for microwave oven in which a clearance which is formed between a flanged portion and a lid material and a content may enter is made narrower while maintaining automatic vapor discharge function.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: April 6, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Shinji Ishikawa, Tomohiro Yuhara
  • Patent number: 10954043
    Abstract: A cap with improved usability is provided. The present invention provides a cap including a cap body to be fitted to a mouth of a container, wherein the cap is configured to include: a valve seat having a flow aperture; a valve body to be separated from or seated on the valve seat so as to open and close the flow aperture; and a biasing member to bias the valve body in a seating direction, and configured to increase a flow area in which contents flow with an increase in a displacement of the valve body, and the cap further includes a displacement restricting section to restrict the displacement of the valve body.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: March 23, 2021
    Assignee: KYORAKU CO., LTD.
    Inventor: Shinsuke Taruno