Patents Assigned to Showa Denko Packaging Co.
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Publication number: 20140072869Abstract: A tab lead including a first insulating film made of resin is adhered to one of surfaces of a part of a region of a metal plate in a length direction of the metal plate and a second insulating film made of resin is adhered to the other surface of the part of the region. Both end portions of the first insulating film and both end portions of the second insulating film are integrally welded to each other. First protruding portions protruding outward in a thickness direction of the first insulating film are formed at regions of the first insulating film corresponding to both widthwise side edges of the metal plate and vicinities thereof. Second protruding portions protruding outward in a thickness direction of the second insulating film are formed at regions of the second insulating film corresponding to both widthwise side edges of the metal plate and vicinities thereof.Type: ApplicationFiled: February 27, 2013Publication date: March 13, 2014Applicants: SHOWA DENKO K.K., SHOWA DENKO PACKAGING CO., LTD.Inventors: Hiroshi HATA, Takurou WATANABE
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Patent number: 8637180Abstract: A battery case material includes a biaxially stretched polyamide film layer as an outer layer, a thermoplastic resin unstretched film layer as an inner layer, and an aluminum foil layer interposed between the two film layers. As the biaxially stretched polyamide film, a biaxially stretched polyamide film having a density of 1,132 to 1,158 kg/m3 is used. In the battery case material, excellent formability can be secured without coating a lubrication giving component, and sufficient volume capacity ratio can be obtained.Type: GrantFiled: February 19, 2013Date of Patent: January 28, 2014Assignee: Showa Denko Packaging Co.Inventor: Hiroshi Hata
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Patent number: 8541080Abstract: A packaging material for battery cases according to the present invention including a heat resistant resin oriented film layer 2 constituting an outer layer, a thermoplastic resin non-oriented film layer 3 constituting an inner layer, and an aluminum foil layer 4 disposed between both the film layers is characterized in that as the heat resistant resin oriented film, a heat resistant resin oriented film having a shrinkage percentage of 2 to 20% is used. With this packaging material, excellent formability can be secured without coating slip characteristics imparting components and sufficient volumetric energy density can be obtained.Type: GrantFiled: November 17, 2011Date of Patent: September 24, 2013Assignee: Showa Denko Packaging Co.Inventor: Hiroshi Hata
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Publication number: 20130244088Abstract: The molding packaging material 1 according to the present invention includes a heat resistant resin layer 2 as an outer layer, a thermoplastic resin layer 3 as an inner layer, a metal foil layer 4 arranged between the heat resistant resin layer and the thermoplastic resin layer, and a black ink layer 10 arranged between the metal foil layer 4 and the heat resistant resin layer 2. The black ink layer 10 contains carbon black, diamine, polyol, and hardening agent. The black ink layer does not partially crack and detach even when the molding packaging material according to the present invention is used in a somewhat harsh environment such as a hot and humid environment and/or at the time of molding or sealing.Type: ApplicationFiled: March 15, 2013Publication date: September 19, 2013Applicant: SHOWA DENKO PACKAGING CO., LTD.Inventors: Yuuji MINAMIBORI, Koji MINAMITANI, Tetsunobu KURAMOTO
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Publication number: 20130236773Abstract: An outer casing material for a battery is provided which is constituted by laminating an outer layer that includes a heat-resistant resin film, a metal foil layer, and an inner layer that includes a thermoplastic resin film, wherein a melt flow rate of the inner layer is in a range of greater than or equal to 1 and less than 10.Type: ApplicationFiled: August 31, 2012Publication date: September 12, 2013Applicant: SHOWA DENKO PACKAGING CO., LTD.Inventor: Kensuke NAGATA
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Publication number: 20130196215Abstract: An outer casing material for a battery 4 is provided, wherein an outer layer 11, a metal foil layer 10 and an inner layer 8 are laminated via an adhesive layer 5; the inner layer 8 comprises a sealant layer 8b and a base material layer 8a; the sealant layer 8b is made from a propylene-ethylene random copolymer wherein a melt flow rate at 230° C. thereof is in a range of 3 to 30 g/10 minutes; the base material layer 8a is made of a resin composition wherein a melt flow rate at 230° C. thereof is in a range of 0.1 to 15 g/10 minutes, xylene-soluble component Xs thereof satisfies the predetermined conditions, and the resin composition comprises 50 to 80% by mass of a propylene component (A) and 50 to 20% by mass of a copolymer component (B) which is an elastomer of a copolymer of propylene and ethylene and/or ?-olefin having 4 to 12 carbons and includes 50 to 85% by mass of a polymerization unit originated from propylene.Type: ApplicationFiled: January 30, 2013Publication date: August 1, 2013Applicant: SHOWA DENKO PACKAGING CO., LTD.Inventor: SHOWA DENKO PACKAGING CO., LTD.
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Patent number: 8486217Abstract: A method of producing a packaging material including a temporary bonding which temporarily bonds a first sheet including a thermoplastic resin non-oriented film layer and a thermoplastic adhesive resin layer laminated on one surface of the thermoplastic resin non-oriented film layer and a second sheet including a heat resistant resin oriented film layer and an aluminum foil layer laminated on one surface of the heat resistant resin oriented film layer by passing the first and second sheets between a pair of rolls in a state in which the thermoplastic adhesive resin layer and the aluminum foil layer are brought into contact with each other to press them while heating in a state in which the thermoplastic adhesive resin does not melt to obtain a pre-laminated sheet, and a complete bonding which integrally bonds the first and second sheets by heating the pre-laminated sheet to melt the thermoplastic adhesive resin.Type: GrantFiled: June 13, 2012Date of Patent: July 16, 2013Assignee: Showa Denko Packaging Co.Inventor: Hiroshi Hata
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Publication number: 20130164613Abstract: A terminal lead 1 includes an inner end portion 1a to be arranged inwardly of an exterior casing 9 which accommodates an electrochemistry element 6, an outer end portion 1b to be arranged outwardly of the exterior casing 9, and a plate-shaped metallic substrate 2 as a base material. An insulating resin film 4 is arranged at a portion of the terminal lead 1 corresponding to a seal portion 9x of the exterior casing 9. In this terminal lead 1, a surface coating layer 3 is formed on both surfaces 2p and 2p of the metallic substrate 2 in a thickness direction thereof. A coated amount of both widthwise end portions 3a and 3a of the surface coating layer 3 formed on both surfaces 2p and 2p of the metallic substrate 2 in the thickness direction is less than that a widthwise intermediate portion 3b thereof.Type: ApplicationFiled: December 21, 2012Publication date: June 27, 2013Applicants: SHOWA DENKO PACKAGING CO., LTD., SHOWA DENKO K.K.Inventors: SHOWA DENKO K.K., SHOWA DENKO PACKAGING CO., LTD.
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Publication number: 20130143107Abstract: A battery exterior body which can be easily manufactured without additional process by heat-sealing internal layers of battery exterior materials, and has a high degree of safety with respect to gas generated in the inside of the exterior body, a method of manufacturing the battery exterior body, and a lithium secondary battery are provided. The battery exterior body is a battery exterior body 2 which is formed by heat-sealing internal layers 8 of battery exterior materials 4 formed by laminating an external layer 11 including a heat-resistant resin film, a metal foil layer 10, and the internal layer 8 in this order, and has a sealing strength between the heat-sealed internal layers 8 of 20 N/15 mm of width to 50 N/15 mm of width.Type: ApplicationFiled: November 2, 2012Publication date: June 6, 2013Applicant: SHOWA DENKO PACKAGING CO., LTD.Inventor: Showa Denko Packaging Co., Ltd.
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Patent number: 8399123Abstract: A battery case material includes a biaxially stretched polyamide film layer as an outer layer, a thermoplastic resin unstretched film layer as an inner layer, and an aluminum foil layer interposed between the two film layers. As the biaxially stretched polyamide film, a biaxially stretched polyamide film having a density of 1,130 to 1,160 kg/m3 is used. In the battery case material, excellent formability can be secured without coating a lubrication giving component, and sufficient volume capacity ratio can be obtained.Type: GrantFiled: May 14, 2008Date of Patent: March 19, 2013Assignee: Showa Denko Packaging Co.Inventor: Hiroshi Hata
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Patent number: 8323827Abstract: In a laminated external packaging material for a battery according to the present invention, a metallic foil 2 is adhered to one surface side of a base film 1, and a coated film layer 4 of thermal adhesive resin having a softening point of 160° C. or below and capable of thermally bonding to a surface film of a battery main body is formed on the other surface side of the base film 1. With this laminated external packaging material for a battery, without using an adhesive tape or a hot-melt adhesive, this packaging material can be easily and assuredly bonded to the battery main body and also can be bonded firmly to an end portion reinforcing plastic component.Type: GrantFiled: December 14, 2006Date of Patent: December 4, 2012Assignee: Showa Denko Packaging Co.Inventors: Kazuhito Hatta, Masato Sato, Tsuyoshi Sugiyama, Hiroyuki Yamada, Tadashi Miebori, Koji Minamitani, Hiroshi Hata, Koji Miyano, Jun Tanigawa
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Publication number: 20120273128Abstract: A method of producing a packaging material including a temporary bonding which temporarily bonds a first sheet including a thermoplastic resin non-oriented film layer and a thermoplastic adhesive resin layer laminated on one surface of the thermoplastic resin non-oriented film layer and a second sheet including a heat resistant resin oriented film layer and an aluminum foil layer laminated on one surface of the heat resistant resin oriented film layer by passing the first and second sheets between a pair of rolls in a state in which the thermoplastic adhesive resin layer and the aluminum foil layer are brought into contact with each other to press them while heating in a state in which the thermoplastic adhesive resin does not melt to obtain a pre-laminated sheet, and a complete bonding which integrally bonds the first and second sheets by heating the pre-laminated sheet to melt the thermoplastic adhesive resin.Type: ApplicationFiled: June 13, 2012Publication date: November 1, 2012Applicant: SHOWA DENKO PACKAGING CO.Inventor: Hiroshi HATA
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Patent number: 8221576Abstract: The production method of the present invention is characterized by comprising a temporary bonding step of temporarily bonding a first sheet comprising a thermoplastic resin non-oriented film layer and a thermoplastic adhesive resin layer laminated on one surface of the thermoplastic resin non-oriented film layer and a second sheet comprising a heat resistant resin oriented film layer and an aluminum foil layer laminated on one surface of the heat resistant resin oriented film layer by passing the first sheet and the second sheet between a pair of rolls in a state in which the thermoplastic adhesive resin layer and the aluminum foil layer are brought into contact with each other to press them while heating in a state in which the thermoplastic adhesive resin does not melt to thereby obtain a pre-laminated sheet, and a complete bonding step of integrally bonding the first sheet and the second sheet by heating the pre-laminated sheet to melt the thermoplastic adhesive resin.Type: GrantFiled: April 28, 2006Date of Patent: July 17, 2012Assignee: Showa Denko Packaging Co.Inventor: Hiroshi Hata
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Publication number: 20120082888Abstract: An electrochemical device capable of enhancing sealing performance of a lead terminal leading portion in an exterior film for accommodating an electrochemical element is provided. In an electrochemical device in which an electrochemical element 10 is covered by a laminated outer packaging film 4 having at least an innermost layer 41 made of heat adhesive synthetic resin, a sealing portion 4d of the outer packaging film 4 is heat sealed. A laminated-type lead terminal coating film 7 is arranged at a lead terminal 5, 6 connected to the electrochemical element 10 corresponding to the sealing portion 4d of the outer packaging film 4, and the melding point of the outermost layer 73 of the lead terminal coating film 7 is set to be lower than the melding point of the innermost layer 41 of the outer packaging film 4.Type: ApplicationFiled: January 8, 2010Publication date: April 5, 2012Applicants: SHOWA DENKO PACKAGING CO., SHOWA DENKO K.K.Inventors: Daisuke Hashimoto, Hiroshi Hata
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Publication number: 20120064319Abstract: A packaging material for battery cases according to the present invention including a heat resistant resin oriented film layer 2 constituting an outer layer, a thermoplastic resin non-oriented film layer 3 constituting an inner layer, and an aluminum foil layer 4 disposed between both the film layers is characterized in that as the heat resistant resin oriented film, a heat resistant resin oriented film having a shrinkage percentage of 2 to 20% is used. With this packaging material, excellent formability can be secured without coating slip characteristics imparting components and sufficient volumetric energy density can be obtained.Type: ApplicationFiled: November 17, 2011Publication date: March 15, 2012Applicant: SHOWA DENKO PACKAGING CO.Inventor: Hiroshi Hata
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Patent number: 8129008Abstract: A packaging material for battery cases according to the present invention including a heat resistant resin oriented film layer 2 constituting an outer layer, a thermoplastic resin non-oriented film layer 3 constituting an inner layer, and an aluminum foil layer 4 disposed between both the film layers is characterized in that as the heat resistant resin oriented film, a heat resistant resin oriented film having a shrinkage percentage of 2 to 20% is used. With this packaging material, excellent formability can be secured without coating slip characteristics imparting components and sufficient volumetric energy density can be obtained.Type: GrantFiled: April 28, 2006Date of Patent: March 6, 2012Assignee: Showa Denko Packaging Co.Inventor: Hiroshi Hata
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Publication number: 20100278600Abstract: The support board for perforation processing 1 of the present invention having a lubrication layer 3 formed on at least one surface of an aluminum substrate 2 is characterized in that the lubrication layer 3 is made of a mixture containing crystalline water-soluble resin and crystal nucleation agent. This structure provides a support board for perforation processing having a lubrication layer excellent in adherence to an aluminum substrate, free from stickiness, and excellent in blocking prevention, and capable of easily being washed after processing.Type: ApplicationFiled: October 10, 2007Publication date: November 4, 2010Applicants: OHTOMO CHEMICAL INS., CORP., SHOWA DENKO PACKAGING CO., SHOWA DENKO K.K.Inventors: Shingo Kaburagi, Yoshikazu Uda, Koji Okura, Yasuyuki Uraki, Tatsuhiro Mizo
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Publication number: 20100227213Abstract: A battery case material includes a biaxially stretched polyamide film layer as an outer layer, a thermoplastic resin unstretched film layer as an inner layer, and an aluminum foil layer interposed between the two film layers. As the biaxially stretched polyamide film, a biaxially stretched polyamide film having a density of 1,130 to 1,160 kg/m3 is used. In the battery case material, excellent formability can be secured without coating a lubrication giving component, and sufficient volume capacity ratio can be obtained.Type: ApplicationFiled: May 14, 2008Publication date: September 9, 2010Applicant: SHOWA DENKO PACKAGING CO.Inventor: Hiroshi Hata
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Publication number: 20100111623Abstract: The support board for perforation processing 1 of the present invention having a lubrication layer 3 formed on at least one surface of an aluminum substrate 2 is characterized in that the lubrication layer 3 is made of a mixture containing water-soluble resin and amino acid. This structure provides a support board for perforation processing having a lubrication layer excellent in adherence to an aluminum substrate, free from stickiness, and excellent in blocking prevention, and capable of easily being washed after processing.Type: ApplicationFiled: October 10, 2007Publication date: May 6, 2010Applicants: OHTOMO CHEMICAL INS., CORP., SHOWA DENKO PACKAGING CO., SHOWA DENKO K.K.Inventors: Shingo Kaburagi, Yoshikazu Uda, Koji Okura, Yasuyuki Uraki, Tatsuhiro Mizo
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Publication number: 20100040942Abstract: In a laminated external packaging material for a battery according to the present invention, a metallic foil 2 is adhered to one surface side of a base film 1, and a coated film layer 4 of thermal adhesive resin having a softening point of 160° C. or below and capable of thermally bonding to a surface film of a battery main body is formed on the other surface side of the base film 1. With this laminated external packaging material for a battery, without using an adhesive tape or a hot-melt adhesive, this packaging material can be easily and assuredly bonded to the battery main body and also can be bonded firmly to an end portion reinforcing plastic component.Type: ApplicationFiled: December 14, 2006Publication date: February 18, 2010Applicant: SHOWA DENKO PACKAGING CO.Inventors: Kazuhito Hatta, Masato Sato, Tsuyoshi Sugiyama, Hiroyuki Yamada, Tadashi Miebori, Koji Minamitani, Hiroshi Hata, Koji Miyano, Jun Tanigawa