Patents Assigned to Kyoraku Co. Ltd.
  • DELAMINATION CONTAINER
    Publication number: 20180312290
    Abstract: A delaminatable container is provided that is excellent in all of squeezability, drop breaking resistance, and non-transmittance of water vapor. 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 inner bag is composed of an inner layer including a mixed resin layer formed of a mixed resin containing a cycloolefin polymer and a styrene-based thermoplastic elastomer.
    Type: Application
    Filed: October 28, 2016
    Publication date: November 1, 2018
    Applicant: KYORAKU CO., LTD.
    Inventors: Kentaro UCHIHASHI, Tetsuaki EGUCHI, Shinsuke TARUNO
  • Core material for sandwich panel, method of molding core material for sandwich panel, sandwich panel, and method of molding sandwich panel
    Patent number: 10112361
    Abstract: An object of the present invention is to provide a core member for a sandwich panel and a method of forming the core member for the sandwich panel which are capable of attaining a desired profile, a desired pattern on its surface, and a desired inner structure in accordance with an application of the sandwich panel. According to an aspect of the invention, there is provided a thermoplastic resin core member interposed between two resin skin sheets comprising a closed hollow portion located to be inside of a desired position in accordance with an application of the sandwiched panel, and it is formed by clamping parison of a molten thermoplastic resin positioned to be between two split molds so as to exhibit a desired profile and/or a surface shape, two surfaces against each of which the molten parison is pressed to form an adhesive surface on which the corresponding resin skin sheet is formed.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: October 30, 2018
    Assignee: KYORAKU CO., LTD.
    Inventors: Takehiko Sumi, Tadatoshi Tanji
  • DELAMINATION CONTAINER, METHOD FOR ATTACHING CAP TO DELAMINATION CONTAINER, AND METHOD FOR MANUFACTURING DELAMINATION CONTAINER
    Publication number: 20180265241
    Abstract: Provided is a delamination container that can suppress deformation of container, when a cap is attached thereto, without being provided with a support ring. The present invention provides a delamination container that is provided with a container body provided with an accommodation section for accommodating contents therein and an opening for discharging the contents from the accommodation section. The accommodation section and the opening are provided with an outer layer and an inner layer. In the container body, an inner bag formed of the inner layer contracts as the contents decrease. In the delamination container, the opening is provided with an engagement section to be engaged with a cap, which is to be attached to the opening, and a constriction section that is provided at the accommodation-section side relative to the engagement section and that constricts toward the inner side of the opening.
    Type: Application
    Filed: December 9, 2015
    Publication date: September 20, 2018
    Applicant: KYORAKU CO., LTD.
    Inventors: Shinsuke TARUNO, Tetsuaki EGUCHI, Kentaro UCHIHASHI, Kouichiro YOSHIDA
  • METHOD OF MANUFACTURING FOAM MOLDED ARTICLE
    Publication number: 20180243964
    Abstract: A method of manufacturing a foam molded article, comprising: an extrusion step of extruding a molten, kneaded resin containing a foaming agent through an annular slit between a die core and a die shell surrounding the die core to form a cylindrical foam parison and extruding the foam parison between a pair of split molds; a lower-pinching step of pinching the foam parison between lower pinchers disposed under the split molds; and a molding step of molding the foam parison by closing the split molds, after the lower-pinching step, wherein H/D is 1.33 to 3.33 and L/D is 0.33 to 2.00 where D represents a diameter of the die core; H represents a distance between a lower surface of the die core and an upper surface of each of the split molds; and L represents a distance between a lower surface of each of the split molds and an upper surface of the corresponding lower pincher, is provided.
    Type: Application
    Filed: September 28, 2016
    Publication date: August 30, 2018
    Applicant: KYORAKU CO., LTD.
    Inventors: Masaaki ONODERA, Yoshinori ONO, Yu IGARASHI
  • MOLDING DIE DEVICE AND MOLDING METHOD
    Publication number: 20180243969
    Abstract: A molding die device is provided for bringing a resin sheet into close contact with a pair of dies by vacuum suction from a cavity surface to perform molding. An outer frame portion is formed integrally with an outer peripheral portion of the respective dies arranged to face each other. Moreover, one of the dies has a recessed portion formed at the position of the one of the dies facing the outer frame portion of the other die and configured so that the outer frame portion of the one of the dies can be housed in the recessed portion. The outer frame portion is formed to protrude most in each die. Upon molding, the dies are clamped together after vacuum suction has been performed with the resin sheet being arranged in contact with the outer frame portions.
    Type: Application
    Filed: September 2, 2016
    Publication date: August 30, 2018
    Applicant: Kyoraku Co., Ltd.
    Inventor: Tatsuya FUKUDA
  • FOAM MOLDING RESIN AND METHOD FOR MANUFACTURING FOAM MOLDED ARTICLE
    Publication number: 20180215885
    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: Application
    Filed: August 16, 2016
    Publication date: August 2, 2018
    Applicant: KYORAKU CO., LTD.
    Inventors: Takaaki SOMEYA, Takeru SANO
  • Blow-molded foam and method of forming the same
    Patent number: 10035893
    Abstract: A blow-molded foam is provided by foaming and blow-molding the resin material including a polyethylene resin. The foamed resin includes the antioxidant by 300 ppm or more in total. The antioxidant is preferably the combination of a phosphorus antioxidant and a phenolic antioxidant. The optimum amount of phosphorus antioxidant to be included is 250 ppm to 3000 ppm, and that of phenolic antioxidant is 250 ppm to 750 ppm. In the manufacture, the collected resin material and the resin including 300 ppm or more of the antioxidant are melted and kneaded and the foaming agent is mixed thereto to provide the foamed resin, and the foamed resin is blow-molded.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: July 31, 2018
    Assignee: KYORAKU CO., LTD.
    Inventor: Takeru Sano
  • Method of making a resin panel
    Patent number: 10022903
    Abstract: A resin panel includes a first structure and a second structure stacked on each other. The structures includes reference surfaces that serve as the front surface and the back surface of the resin panel respectively. Each of the structures includes a plurality of protrusions protruding inwardly from the reference surface. The protrusions of the structure face the protrusions of the other structure each other. Jutting portions of linear shape are formed between adjacent protrusions of each of the structures. The structures are joined such that apical portions of the protrusions of each structure abut one another.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: July 17, 2018
    Assignee: KYORAKU CO., LTD.
    Inventors: Yu Igarashi, Tadatoshi Tanji, Tatsuya Fukuda
  • Impact energy absorber
    Patent number: 10006515
    Abstract: An impact energy absorber with desired absorbing properties while being capable of avoiding the incidence of warpage. The impact energy absorber produced by a formation of a plate-shaped resin material, has a planar portion, and at least one projection projecting from one surface of the planar portion. The planar portion has a plurality of groove-shaped peripheral ribs in an opposite surface at a periphery thereof. The plurality of groove-shaped peripheral rib extends in a direction intersecting with a circumferential direction of the planar portion, and is aligned in the circumferential direction of the planar portion.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: June 26, 2018
    Assignee: KYORAKU CO., LTD.
    Inventor: Teruo Tamada
  • Foam structural material, resin panel, and method for manufacturing a resin panel
    Patent number: 9987821
    Abstract: A foam structure includes: a first core material and a second core material that are obtained by splitting a foam body at a linear groove part, the groove part being formed in the foam body for fitting with a reinforcing material, and the reinforcing material into which the first core material and the second core material are respectively fitted from one side and the other side of the reinforcing material.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: June 5, 2018
    Assignee: KYORAKU CO., LTD.
    Inventors: Tatsuya Fukuda, Tadatoshi Tanji, Yoshihiro Yamasaki
  • Tire-wheel transport structure
    Patent number: 9988183
    Abstract: A tire-wheel transport pallet having engaging parts engaging the lower circumferential edge section of the rims of a plurality of tire wheels, and a mounting surface on which the tire wheels lying sideways are arranged; a partition plate prevents a horizontal positional shift, and interposed between an upper and a lower level of the tire wheels, which are stacked on the mounting surface in a plurality of levels; a lid covering the uppermost level of the tire wheels, and having, on its bottom surface, a plurality of wheel-position-determining concavities engaging the upper circumferential edge section of the rims of the tire wheels. Furthermore, the bottom surface of the pallet has a plurality of legs projecting downward, and the top surface of the lid has a plurality of leg-position-determining concavities corresponding to the plurality of legs on the pallet, so to stack a plurality of units.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: June 5, 2018
    Assignee: KYORAKU CO., LTD.
    Inventors: Naohiro Ikeguchi, Masaaki Sueoka
  • Core material for sandwich panel, method of molding core material for sandwich panel, sandwich panel, and method of molding sandwich panel
    Patent number: 9981443
    Abstract: A core member for a sandwich panel and a method of forming the core member for the sandwich panel which are capable of attaining a desired profile, a desired pattern on their surfaces, and a desired inner structure in accordance with an application of the sandwich panel. There is provided a thermoplastic resin core member interposed between two resin skin sheets comprising a closed hollow portion located to be inside of a desired position in accordance with an application of the sandwiched panel, and it is formed by clamping parison of a molten thermoplastic resin positioned to be between two split molds so as to exhibit a desired profile and/or a surface shape, two surfaces against each of which the molten parison is pressed to form an adhesive surface on which the corresponding resin skin sheet is formed.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: May 29, 2018
    Assignee: KYORAKU CO., LTD.
    Inventors: Takehiko Sumi, Tadatoshi Tanji
  • MOLTEN RESIN EXTRUSION DEVICE AND EXTRUSION METHOD AS WELL AS MOLTEN RESIN MOLDING APPARATUS AND MOLDING METHOD
    Publication number: 20180104878
    Abstract: Provided is a method for extruding molten resin in a charging space from a head by converting a rotational motion of an electric motor into a linear motion of a piston disposed in the charging space through a ball screw and thus causing the piston to move vertically, the charging space being a space into which the molten resin can be charged and formed in an accumulator, the head having an extrusion port at a lower end thereof.
    Type: Application
    Filed: April 20, 2016
    Publication date: April 19, 2018
    Applicant: KYORAKU CO., LTD.
    Inventors: Shuji ITO, Satoshi MASUDA
  • MOLDED RESIN STRAND, METHOD FOR MODELING THREE-DIMENSIONAL OBJECT, AND METHOD FOR MANUFACTURING MOLDED RESIN STRAND
    Publication number: 20180093413
    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: Application
    Filed: March 31, 2016
    Publication date: April 5, 2018
    Applicant: Kyoraku Co., Ltd.
    Inventors: Ryohei YUASA, Takashi NOMURA, Naoki UEDA
  • RESIN PANEL AND MOLDING METHOD
    Publication number: 20180079164
    Abstract: A resin panel of which contact surfaces of a rear wall to be in contact with another member are made unlikely to deform while reducing the weight of the resin panel. The panel includes a rear wall having a plurality of contact surfaces to be in contact with another member, and a front wall opposing the rear wall with an interval therebetween, the resin panel including a plurality of ribs obtained by indenting parts of the rear wall toward the front wall and welding the parts to an inner surface of the front wall, wherein a wall thickness of the front wall is generally equal to or smaller than a wall thickness of the rear wall.
    Type: Application
    Filed: November 28, 2017
    Publication date: March 22, 2018
    Applicant: KYORAKU CO., LTD.
    Inventors: Takehiko SUMI, Kiyotaka KAWAI
  • KNEE BOLSTER
    Publication number: 20180056913
    Abstract: Provided is a knee bolster that is formed of a blow-molded body and can be easily and stably mounted on a mounting target. A knee bolster is formed of a blow-molded body. The blow-molded body has a back surface having a mounting protrusion to be inserted into a mounting hole formed in a mounting target. The blow-molded body includes a lower lock disposed so as to protrude from the back surface to under the mounting target and configured to suppress upward movement of the blow-molded body relative to the mounting target.
    Type: Application
    Filed: March 10, 2016
    Publication date: March 1, 2018
    Applicant: Kyoraku Co., Ltd.
    Inventors: Naoto Tani, Takafumi Funato
  • DELAMINATABLE CONTAINER
    Publication number: 20180016050
    Abstract: Provided is a delamination container having improved oxygen barrier properties. The present invention provides a delamination container provided with a container body having an outer shell and an inner pouch, the inner pouch being adapted to delaminate from the outer shell and contract in association with a decrease of the contents, wherein the inner layer constituting the inner pouch is provided with, in order from the container outer surface side, an outside layer, an adhesive layer, and an inside layer. The outside layer includes an EVOH layer, and the inside layer has a thickness of 60-200 ?m and a flexural modulus of 250 MPa or less, the value (thickness of the inside layer/thickness of the EVOH layer) being 1.1-5, and the total thickness of the inside layer being 100-250 ?m.
    Type: Application
    Filed: January 22, 2016
    Publication date: January 18, 2018
    Applicant: KYORAKU CO., LTD.
    Inventors: Tetsuaki EGUCHI, Shinsuke TARUNO, Yuji YONEOKA, Yoshio YAMAUCHI
  • Layered panel
    Patent number: 9868473
    Abstract: A layered panel in which strength of a hinge can be improved regardless of the kinds of substrates configuring a front wall and a rear wall of the layered panel is provided. A layered panel in accordance with the present invention is a layered panel rotatable about a hinge as a rotary axis, characterized by including a front wall, a rear wall, and an intermediate layer interposed between the front wall and the rear wall, the hinge including the intermediate layer.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: January 16, 2018
    Assignee: KYORAKU CO., LTD.
    Inventors: Kenji Ishii, Kazuhiko Saeki
  • Light-shielding container
    Patent number: 9862524
    Abstract: Provided is a light-shielding container which has an ultraviolet-ray transmittance of 0% at wavelengths of 200-370 nm and to which contents are less apt to adhere. A light-shielding container for holding contents, characterized by having at least an inner layer composed of a thermoplastic resin, a first light-shielding layer composed of a resin containing an inorganic ultraviolet inhibitor and a second light-shielding layer composed of a resin containing an organic ultraviolet absorber, disposed in this order from the content side.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: January 9, 2018
    Assignee: KYORAKU CO., LTD.
    Inventors: Kentaro Uchihashi, Takeru Sano
  • Resin panel
    Patent number: 9862162
    Abstract: A resin panel of which contact surfaces of a rear wall to be in contact with another member are made unlikely to deform while reducing the weight of the resin panel. The panel includes a rear wall having a plurality of contact surfaces to be in contact with another member, and a front wall opposing the rear wall with an interval therebetween, the resin panel including a plurality of ribs obtained by indenting parts of the rear wall toward the front wall and welding the parts to an inner surface of the front wall, wherein a wall thickness of the front wall is generally equal to or smaller than a wall thickness of the rear wall.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: January 9, 2018
    Assignee: KYORAKU CO., LTD.
    Inventors: Takehiko Sumi, Kiyotaka Kawai