Patents Assigned to Kyoraku Co. Ltd.
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Publication number: 20240131777Abstract: 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: ApplicationFiled: February 18, 2022Publication date: April 25, 2024Applicant: KYORAKU CO., LTD.Inventors: Yuki HARASAWA, Tadatoshi TANJI, Tatsuya FUKUDA, Takurou MATSUDA, Sho NAKAJIMA, Shingo NAGASHIMA
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Patent number: 11964794Abstract: 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: GrantFiled: December 23, 2019Date of Patent: April 23, 2024Assignee: Kyoraku Co., Ltd.Inventors: Kouichiro Yoshida, Naohiro Ikeguchi
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Patent number: 11958569Abstract: 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: GrantFiled: November 22, 2019Date of Patent: April 16, 2024Assignee: KYORAKU CO., LTD.Inventors: Tsutomu Sakaguchi, Hirofumi Nagai, Yasunobu Ueda, Takaya Niimi, Ayumu Yukawa
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Publication number: 20240109238Abstract: 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: ApplicationFiled: January 19, 2022Publication date: April 4, 2024Applicant: KYORAKU CO., LTD.Inventor: Tadatoshi TANJI
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Patent number: 11912464Abstract: 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: GrantFiled: October 12, 2018Date of Patent: February 27, 2024Assignee: KYORAKU CO., LTD.Inventors: Kouichiro Yoshida, Yoshitaka Matsubara, Teruhisa Hanafusa
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Patent number: 11890802Abstract: 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: GrantFiled: January 23, 2020Date of Patent: February 6, 2024Assignees: KYORAKU CO., LTD., SIKA MACHINERY CO., LTD.Inventors: Tzu Chiang Chang, Shuji Ito
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Patent number: 11851234Abstract: 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: GrantFiled: January 23, 2020Date of Patent: December 26, 2023Assignees: KYORAKU CO., LTD., TOYO ALUMINIUM KABUSHIKI KAISHAInventors: Tatsuro Aoki, Takayoshi Hosoya, Taro Ikeda, Hiroaki Awata
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Publication number: 20230405912Abstract: 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: ApplicationFiled: November 24, 2021Publication date: December 21, 2023Applicant: KYORAKU CO., LTD.Inventors: Yuki HARASAWA, Sho NAKAJIMA, Ryuichi ISHIDA
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Publication number: 20230398953Abstract: 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: ApplicationFiled: October 12, 2021Publication date: December 14, 2023Applicant: KYORAKU CO., LTD.Inventors: Kouichiro YOSHIDA, Yosuke HAYASHI, Takashi KOMENO, Yuki HARASAWA, Kentaro KUNIMORI
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Patent number: 11833723Abstract: 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: GrantFiled: May 21, 2021Date of Patent: December 5, 2023Assignee: KYORAKU CO., LTD.Inventors: Masaaki Onodera, Takehiko Sumi, Teruo Tamada, Yu Igarashi, Yoshinori Ohno
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Publication number: 20230364847Abstract: 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: ApplicationFiled: October 12, 2021Publication date: November 16, 2023Applicant: KYORAKU CO., LTD.Inventors: Yuhi KURAHASHI, Shinsuke TARUNO, Yosuke MUROYA
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Publication number: 20230356905Abstract: 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: ApplicationFiled: June 24, 2021Publication date: November 9, 2023Applicant: KYORAKU CO., LTD.Inventors: Masaaki SUEOKA, Shun MORIOKA, Yosuke MUROYA
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Publication number: 20230271371Abstract: 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: ApplicationFiled: April 13, 2023Publication date: August 31, 2023Applicant: Kyoraku Co., Ltd.Inventors: Akihiko WATANABE, Masaaki ONODERA
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Patent number: 11701860Abstract: 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: GrantFiled: August 15, 2018Date of Patent: July 18, 2023Assignee: KYORAKU CO., LTD.Inventor: Yoshinori Ono
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Patent number: 11679537Abstract: Provided is a method for manufacturing a foam molded body that can make a shape of bubbles close to a perfect circle. According to the present disclosure, a method for manufacturing a foam molded body, including a step of forming a foam parison from a melt-kneaded resin obtained by melting and kneading a raw material resin and a foaming gas in a cylinder of an extruder and molding the foam parison to obtain the foam molded body, wherein the foaming gas contains 0.1 to 1.0% of argon, is provided.Type: GrantFiled: March 22, 2019Date of Patent: June 20, 2023Assignee: KYORAKU CO., LTD.Inventor: Yoshinori Ono
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Publication number: 20230182644Abstract: Provided is a structure that makes it possible to reduce the number of components. The present invention provides a structure including a resin-molded body and a torsion spring. The resin-molded body includes a front wall and a rear wall spaced apart from each other and a peripheral wall connecting peripheries of the front wall and the rear wall. The resin-molded body includes first and second plate-shaped portions and a hinge portion. The first and second plate-shaped portions are rotatably coupled to each other with the hinge portion. The hinge portion is formed by making the rear wall concave toward the front wall to form a hinge concave portion and welding the rear wall to the front wall. The torsion spring includes first and second arms and a coil portion provided therebetween. The first arm is slidably supported by the first plate-shaped portion. The second arm is supported by the second plate-shaped portion.Type: ApplicationFiled: April 21, 2021Publication date: June 15, 2023Applicants: KYORAKU CO., LTD., HAYASHI TELEMPU CORPORATIONInventors: Masaaki SUEOKA, Ryuichi ISHIDA, Takashi IMADA, Katsuki TANAKA, Kenta SUZUKI
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Publication number: 20230182961Abstract: A double container according to the present invention comprises a container body having an outer shell and an inner bag, wherein: a mouth part of the container body is configured by lamination of the outer shell and the inner bag; the inner bag comprises a flange part at an upper end thereof in the mouth part, the flange part covering the upper end of the outer shell from above; and the flange part comprises a pull-out part for pulling the inner bag out of the outer shell.Type: ApplicationFiled: September 15, 2021Publication date: June 15, 2023Applicant: KYORAKU CO., LTD.Inventor: Tetsuaki EGUCHI
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Publication number: 20230174283Abstract: Provided is a hard container capable of appropriately discharging or spraying content. The present invention provides a resin-made hard container for use with a suction device attached thereto that is configured to discharge or spray suctioned content. The hard container is provided with a container body having an outer shell and an inner bag. The container body is configured such that the inner bag contracts as the content is reduced. An innermost layer of the outer shell comprises an EVOH layer.Type: ApplicationFiled: April 26, 2021Publication date: June 8, 2023Applicant: KYORAKU CO., LTD.Inventors: Takayuki KATO, Takeru SANO, Kentaro UCHIHASHI
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Patent number: 11643262Abstract: A delaminatable container is provided that includes a valve member allowing suppression of interference with the motion of a mobile part during use. The present invention provides a delaminatable container including an outer shell and an inner bag, the inner bag to be shrunk with a decrease in contents, wherein the outer shell includes a fresh air inlet communicating an external space with an intermediate space between the outer shell and the inner bag, the fresh air inlet has a valve member mounted thereto to regulate air communication between the intermediate space and the external space, the valve member includes a tube having a cavity provided to communicate the external space with the intermediate space and a mobile part movably stored in the cavity.Type: GrantFiled: August 16, 2018Date of Patent: May 9, 2023Assignee: KYORAKU CO., LTD.Inventor: Shinsuke Taruno
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Patent number: 11628611Abstract: 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: GrantFiled: June 2, 2021Date of Patent: April 18, 2023Assignee: Kyoraku Co., Ltd.Inventors: Akihiko Watanabe, Masaaki Onodera