Patents Assigned to Toyo Seikan Co., Ltd.
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Publication number: 20230226586Abstract: A manufacturing a container makes it possible to easily manufacture a container including a body portion with a shape that expands outward toward an upper face side. A method for manufacturing a container according to the disclosure is a method for manufacturing a container made of metal, including a bottom portion and a body portion, open on the upper face side, and having a shape in which the body portion expands outward toward the upper face side. The method includes a bottom drawing step of reducing a diameter of a cup body made of metal and having a bottomed cylindrical shape by operating a diameter reducing die having a hole portion with a smaller diameter than an outer diameter of the cup body along a cylindrical axis direction from a bottom side, in which the bottom drawing step is repeated a plurality of times.Type: ApplicationFiled: March 17, 2023Publication date: July 20, 2023Applicant: Toyo Seikan Co., Ltd.Inventors: Takeshi Murase, Shouta Tanaka, Nobuhiro Sasajima, Erika Sato
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Publication number: 20230219127Abstract: A method of manufacturing a can body includes: molding a preform of a can including: molding a dome part on a bottom of a bottomed cylindrical body, the dome part being concave into the bottomed cylindrical body; and molding as annular leg part projecting in a direction opposite to a direction in which the dome part is concave, the leg part including an inner peripheral section which is inclined from a ground point of the leg part toward a can axis in a vertical cross-sectional view taken along the can axis; painting at least one of an inner surface and an outer surface of the preform of the can; and bottom reforming to mold a molded can including a curved end around the dome part by pressing an inner surface of the dome part of the preform of the can painted by the painting.Type: ApplicationFiled: February 27, 2023Publication date: July 13, 2023Applicants: Toyo Seikan Group Holdings, Ltd., Toyo Seikan Co., Ltd.Inventors: HAYATO FUKUMOTO, Tomokazu KOBAYASHI
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Publication number: 20230211916Abstract: Provided are a cup made of metal and a method of manufacturing the same capable of reducing material costs and molding costs, preventing deformation while reducing weight, preventing a user's mouth or hand from touching an edge of a metal material, and preventing hygiene problems. A cup made of metal open on an upper surface side includes a bottom portion and a body portion, the cup including a curled portion at the tip end on an upper opening side of the body portion. The curled portion includes a curvature region from the body portion toward the tip end, and a section at least from the body portion to a lowermost portion of the curled portion in the curvature region has a radius of curvature that decreases stepwise or continuously.Type: ApplicationFiled: March 13, 2023Publication date: July 6, 2023Applicant: Toyo Seikan Co., Ltd.Inventors: Erika Sato, Takeshi Murase, Shouta Tanaka, Nobuhiro Sasajima
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Publication number: 20230211403Abstract: A method of manufacturing a container made of metal, including a bottom portion and a body portion, being open on an upper face side, and having a shape in which the body portion expands outward toward the upper face side. The method includes a stretch forming step of expanding a diameter of a stepped cup body made of metal by operating a diameter expanding punch having a tapered pressing portion that is smaller in diameter than an inner diameter of the large-diameter cylindrical portion and larger in diameter than an inner diameter of the small-diameter cylindrical portion of the stepped cup body along a cylindrical axis direction from an opening side of the large-diameter cylindrical portion, in which the stretch forming step is performed at least once.Type: ApplicationFiled: March 17, 2023Publication date: July 6, 2023Applicant: Toyo Seikan Co., Ltd.Inventors: Takeshi Murase, Shouta Tanaka, Nobuhiro Sasajima, Erika Sato
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Publication number: 20230183519Abstract: A polyester-resin-coated seamless can including a reduced diameter portion obtained by neck processing within a distance of 0% to 15% from a can body uppermost portion with respect to a total height of the can from the can body uppermost portion to a can bottom of the can. A ratio Im/Iu is 1.0 or more, where Iu (cps/?m) is calculated by dividing a maximum peak intensity in a range satisfying 15°?2??19° of an outer-surface coating in a maximum reduced diameter portion of the reduced diameter portion by a thickness of the coating at the measurement site, and Im (cps/?m) is calculated by dividing a maximum peak intensity in a range satisfying 15°?2??19° of outer-surface coating at a measurement site within a distance of 45% to 60% from the can body uppermost portion by a thickness of the outer-surface coating at the measurement site.Type: ApplicationFiled: May 17, 2021Publication date: June 15, 2023Applicant: Toyo Seikan Co., Ltd.Inventors: Shota UCHINO, Seitaro KANAZAWA, Shiori ADACHI, Noriyoshi OBARA, Wataru KUROKAWA
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Publication number: 20230173570Abstract: A can container includes a can barrel and a can bottom; the can bottom includes a dome part which is concaved toward an inner side of the can container along a direction of a can axis at a center, and also includes an annular convex part which projects toward an outer side of the can container so as to shape an annular support part on an outer periphery of the dome part: and the dome part has a central dome part which is positioned on the can axis and has a set radius of curvature, and an outer peripheral dome part which is shaped continuously on an outer side of the central dome part, has a center of curvature positioned on the can axis, and has a radius of curvature smaller than the radius of curvature of the central dome part.Type: ApplicationFiled: December 21, 2020Publication date: June 8, 2023Applicant: TOYO SEIKAN CO., LTD.Inventor: Hayato FUKUMOTO
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Publication number: 20230159248Abstract: To provide a spouted pouch with a simple structure and improved self-standing ability of the pouch body. The spouted pouch 10 is configured to dispense a liquid content from a spout 60 attached to a side face of a pouch body 20 in a state placed with a pouch bottom 20a down. The pouch body 20 further includes a first shape-controlling seal portion 24 formed by heat sealing a first film 30 and a side film 40 together at a location on an inner side of a first side seal 23a in the left-right direction. The first shape-controlling seal portion 24 has an area located in a region between an upper half of a spout fixture portion 32 and the first side seals 23a, and does not have an area located below the center in the up-down direction of the spout fixture portion 32.Type: ApplicationFiled: January 24, 2023Publication date: May 25, 2023Applicant: Toyo Seikan Co., Ltd.Inventors: Hiroki Tanaka, Motohide Hata
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Patent number: 11655364Abstract: [Problem] To provide a thermoplastic resin film excellent in impact resistance, formability and trimmability when forming a container, productivity, and the like, and a thermoplastic resin-coated metal sheet. [Solution] A thermoplastic resin film contains 70 to 97 wt % of a thermoplastic polyester resin component and 3 to 30 wt % of a polyolefin resin component. The polyolefin resin component contains one or more polyolefin resins selected from the group consisting of nonpolar polyolefin resins and polyolefin resins having ester-containing functional groups in side chains thereof. The polyolefin resin component is dispersed, in the thermoplastic polyester resin component, in a fibrous form having an average length of 5 to 300 ?m in a machine direction of the film, an average length of 0.2 to 5 ?m in a thickness direction of the film, and an aspect ratio of 8 or greater.Type: GrantFiled: May 21, 2019Date of Patent: May 23, 2023Assignees: TOYO SEIKAN CO., LTD., TOYO KOHAN CO., LTD.Inventors: Tomoyasu Takenaga, Kazuhiro Nishida, Satoshi Kawamura, Kousuke Sasaki, Shuhei Hiromori, Kenji Yanada, Mitsuhide Aihara
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Publication number: 20230150722Abstract: A can lid opening tab includes: a pulling-up part provided on one end side in a longitudinal direction; a pressing-down part provided on another end side in the longitudinal direction; a fixing part provided between the pulling-up part and the pressing-down part, and sectioned and formed by a U-shaped slot, and fixed on a can lid body; and the curling part formed continuously on the circumference except for a connecting piece cutting trace provided at the pressing-down part. A step-less unprocessed deflection face with the periphery surrounded without disconnection by the curling part is provided between the fixing part and the pulling-up part, and a display part is provided on at least one face side of the deflection face.Type: ApplicationFiled: December 21, 2020Publication date: May 18, 2023Applicant: TOYO SEIKAN CO., LTD.Inventors: Saki CHIJI, Atsushi KOMINAMI, Ryotaro ISOMURA
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Publication number: 20230122700Abstract: Provided is a can with a shoulder portion decorated in a novel way. A can includes: a trunk portion; a mouth portion smaller in diameter than the trunk portion; and a shoulder portion provided between the trunk portion and the mouth portion, gradually decreasing in diameter from the side of the trunk portion toward the side of the mouth portion, and having a printed layer and a coating film respectively formed by printing and coating. The shoulder portion includes: a straight portion having an inclined cross-sectional shape along a can axis C; a lower curved portion that is a curved portion connecting the straight portion and the trunk portion; an upper curved portion that is a curved portion connecting the straight portion and the mouth portion; and an embossed portion provided only in the straight portion among the straight portion, the lower curved portion, and the upper curved portion.Type: ApplicationFiled: December 15, 2022Publication date: April 20, 2023Applicant: TOYO SEIKAN CO.,LTD.Inventor: Shinji YAMADA
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Publication number: 20230081638Abstract: Provided is a production line management system for managing a manufacturing line for containers. The production line management system includes a first reading unit for reading an identification code applied to each of the containers when the container with the identification code indicating an identifier being information identifying the container passes through a first point on the manufacturing line, a second reading unit for reading the identification code applied to each of the containers after the first reading unit reads the identification code, and a computing unit for generating a database in which the identifier indicated by the identification code and relevant information about each of the containers are associated, and determining normality/abnormality of each of the containers by comparing the relevant information associated in the database with the identifier indicated by the identification code read in the second reading unit with predetermined setting information.Type: ApplicationFiled: October 28, 2022Publication date: March 16, 2023Applicant: TOYO SEIKAN CO., LTD.Inventors: Takayuki TOCHIGI, Kazuhiko Nakayama, Shinobu Miura
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Publication number: 20230070188Abstract: Provided is a laminate that is excellent in heat sealing properties and is suitable for reuse. The laminate includes: a first layer having a melting point of Tm1 and containing a first polyethylene alone as a resin; and a second layer having a melting point of Tm2 and containing a second polyethylene alone as a resin, where: the first layer and the second layer are disposed respectively as outermost surfaces of the laminate; and Tm1?Tm2?24.0° C. is satisfied.Type: ApplicationFiled: November 18, 2020Publication date: March 9, 2023Applicant: TOYO SEIKAN CO., LTD.Inventors: Toshiki YAMADA, Yuji UEDA, Takahiro YASUUMI, Koichi ISHIZAKA
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Publication number: 20230058107Abstract: With a laser decoration method for forming a painting film layer on a surface of a metal base material, and irradiating the painting film layer with a laser beam LB, thereby applying decoration, the decoration part is effectively colored by a simple process, which enables decoration with high visibility while omitting a complicated process. The problem was solved by a production method of a decorated aluminum base material characterized by including a process of forming a painting film layer on a surface of an aluminum base material, a process of partially exposing the surface of the aluminum base material by irradiation with a laser beam, and a process of subjecting the surface of the aluminum base material to an oxide film forming treatment, wherein a colored oxide film is formed on the exposed surface of the aluminum base material by the oxide film forming treatment.Type: ApplicationFiled: December 22, 2020Publication date: February 23, 2023Applicant: TOYO SEIKAN CO., LTD.Inventors: Ryotaro ISOMURA, Shuji NAKANO, Satoru KITO, Atsushi KOMINAMI
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Publication number: 20230047940Abstract: To provide a pouch that allows a displacement of the formation position of a film through portion to be detected. A pouch includes an inner film (70) disposed in a pouch body (20), the inner film (70) including a first fixing portion (71) fixed to a pouch body (20), a second fixing portion (72) fixed to the pouch body (20), an inner placement portion (75) that is disposed in the pouch body (20) without being fixed to the pouch body (20), and a plurality of film through portions (76) penetrating in a film thickness direction, the plurality of film through portions (76) including a first film-through portion (76a) at least partially formed on the first fixing portion (71) and an inner film-through portion (76c) formed on the inner placement portion (75), the first film-through portion (76a) being overlapped on the body film in a bag-making sealing portion (23).Type: ApplicationFiled: October 27, 2022Publication date: February 16, 2023Applicant: Toyo Seikan Co., Ltd.Inventors: Hiroki Tanaka, Motohide Hata
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Publication number: 20230042216Abstract: By providing a depressed portion 7 in a container main body 1a, forming a thick portion 5a in a covering layer 5 on an edge portion 7b of the depressed portion 7, and forming a thin portion 5b adjacent to the thick portion 5a in the covering layer 5 on a bottom surface 7a side of the depressed portion 7, when a synthetic resin container including a container main body molded into a predetermined container shape and a covering layer laminated on an outer peripheral surface side of the container main body is discarded, the container main body and the covering layer can be easily separated.Type: ApplicationFiled: November 10, 2020Publication date: February 9, 2023Applicant: TOYO SEIKAN CO., LTD.Inventors: Yoichi TADOKORO, Soya YOSHIDA, Hiromitsu KIYOTO
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Patent number: 11560255Abstract: In an easy open can lid a pulling-up direction of a tab acts toward a center of the lid while securing a finger hooking property with respect to the tab, by devising a shape of an embossed portion. In a can lid in which a tab for score breaking is fixed to a main body, and an embossed portion, into which a fingertip is insertable, is provided in the vicinity of a rear end of a finger hook portion of the tab, the embossed portion has a slope formed at a rear end side of the finger hook portion, and the slope of the embossed portion is provided with a guide recess for guiding a fingertip that extends toward the center of the lid at least up to a position thereof facing a central portion in a width direction of a back surface of the finger hook portion.Type: GrantFiled: April 3, 2019Date of Patent: January 24, 2023Assignee: TOYO SEIKAN CO., LTD.Inventors: Takahiro Oki, Atsushi Kominami, Ryotaro Isomura
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Publication number: 20230011542Abstract: A synthetic resin container and method for manufacturing the same, including a container main body molded into a predetermined container shape and a covering layer laminated on an outer peripheral surface side of the container main body. The method includes heating the composite preform to bring the covering material layer into a molten state or a semi-molten state while softening the preform main body to be stretchable, subsequently molding the composite preform into a predetermined container shape by using a blow molding die in which an edge portion formed by providing a step on a cavity inner peripheral surface extends along a predetermined direction, and providing, in the covering material layer to be molded integrally with the preform main body, a thin portion molded by being brought into pressure contact with the edge portion.Type: ApplicationFiled: October 5, 2020Publication date: January 12, 2023Applicant: TOYO SEIKAN CO., LTD.Inventors: Hiromitsu KIYOTO, Masashi FUJIOKA, Soya YOSHIDA, Yuuichi MIYAZAKI, Youichi TADOKORO
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Publication number: 20230002101Abstract: To provide a can container to achieve a higher pressure resistance strength by improving the shape of the bottom part of the can container. The can container includes a can barrel and a can bottom, the can bottom provided with, in a center thereof, a dome part concaved toward the inside of the can container along the can axis direction, and an annular convex part projecting toward the outside of the can container to shape an annular support part in an outer periphery of the dome part, wherein an inner peripheral surface extending from the support part of the annular convex part to an outer peripheral edge part of the dome part includes a recessed part where the outer peripheral edge part of the dome part is positioned in a direction of being farther away from the can axis than an innermost part of the inner peripheral surface.Type: ApplicationFiled: November 5, 2020Publication date: January 5, 2023Applicant: TOYO SEIKAN CO., LTD.Inventor: Hayato FUKUMOTO
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Patent number: 11530040Abstract: The present invention provides a discharge device for an aircraft, in which an aerosol container can easily be attached to an airframe and an operation for exchanging the aerosol container can be performed easily, resulting in a high degree of safety. A discharge device for an aircraft, to which an aerosol container can be attached and which discharges contents of the aerosol container when attached to an aircraft, is mounted on an airframe of the aircraft in a state where the aerosol container is housed in a housing member.Type: GrantFiled: February 25, 2020Date of Patent: December 20, 2022Assignee: TOYO SEIKAN CO., LTD.Inventors: Atsushi Kominami, Soji Araki
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Patent number: D978287Type: GrantFiled: June 24, 2020Date of Patent: February 14, 2023Assignee: Toyo Seikan Co., Ltd.Inventors: Atsushi Kominami, Souji Araki