Patents Assigned to Showa Denko Packaging Co.
  • Publication number: 20140072869
    Abstract: 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: Application
    Filed: February 27, 2013
    Publication date: March 13, 2014
    Applicants: SHOWA DENKO K.K., SHOWA DENKO PACKAGING CO., LTD.
    Inventors: Hiroshi HATA, Takurou WATANABE
  • Patent number: 8637180
    Abstract: 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: Grant
    Filed: February 19, 2013
    Date of Patent: January 28, 2014
    Assignee: Showa Denko Packaging Co.
    Inventor: Hiroshi Hata
  • Patent number: 8541080
    Abstract: 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: Grant
    Filed: November 17, 2011
    Date of Patent: September 24, 2013
    Assignee: Showa Denko Packaging Co.
    Inventor: Hiroshi Hata
  • Publication number: 20130244088
    Abstract: 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: Application
    Filed: March 15, 2013
    Publication date: September 19, 2013
    Applicant: SHOWA DENKO PACKAGING CO., LTD.
    Inventors: Yuuji MINAMIBORI, Koji MINAMITANI, Tetsunobu KURAMOTO
  • Publication number: 20130236773
    Abstract: 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: Application
    Filed: August 31, 2012
    Publication date: September 12, 2013
    Applicant: SHOWA DENKO PACKAGING CO., LTD.
    Inventor: Kensuke NAGATA
  • Publication number: 20130196215
    Abstract: 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: Application
    Filed: January 30, 2013
    Publication date: August 1, 2013
    Applicant: SHOWA DENKO PACKAGING CO., LTD.
    Inventor: SHOWA DENKO PACKAGING CO., LTD.
  • Patent number: 8486217
    Abstract: 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: Grant
    Filed: June 13, 2012
    Date of Patent: July 16, 2013
    Assignee: Showa Denko Packaging Co.
    Inventor: Hiroshi Hata
  • Publication number: 20130164613
    Abstract: 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: Application
    Filed: December 21, 2012
    Publication date: June 27, 2013
    Applicants: SHOWA DENKO PACKAGING CO., LTD., SHOWA DENKO K.K.
    Inventors: SHOWA DENKO K.K., SHOWA DENKO PACKAGING CO., LTD.
  • Publication number: 20130143107
    Abstract: 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: Application
    Filed: November 2, 2012
    Publication date: June 6, 2013
    Applicant: SHOWA DENKO PACKAGING CO., LTD.
    Inventor: Showa Denko Packaging Co., Ltd.
  • Patent number: 8399123
    Abstract: 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: Grant
    Filed: May 14, 2008
    Date of Patent: March 19, 2013
    Assignee: Showa Denko Packaging Co.
    Inventor: Hiroshi Hata
  • Patent number: 8323827
    Abstract: 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: Grant
    Filed: December 14, 2006
    Date of Patent: December 4, 2012
    Assignee: Showa Denko Packaging Co.
    Inventors: Kazuhito Hatta, Masato Sato, Tsuyoshi Sugiyama, Hiroyuki Yamada, Tadashi Miebori, Koji Minamitani, Hiroshi Hata, Koji Miyano, Jun Tanigawa
  • Publication number: 20120273128
    Abstract: 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: Application
    Filed: June 13, 2012
    Publication date: November 1, 2012
    Applicant: SHOWA DENKO PACKAGING CO.
    Inventor: Hiroshi HATA
  • Patent number: 8221576
    Abstract: 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: Grant
    Filed: April 28, 2006
    Date of Patent: July 17, 2012
    Assignee: Showa Denko Packaging Co.
    Inventor: Hiroshi Hata
  • Publication number: 20120082888
    Abstract: 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: Application
    Filed: January 8, 2010
    Publication date: April 5, 2012
    Applicants: SHOWA DENKO PACKAGING CO., SHOWA DENKO K.K.
    Inventors: Daisuke Hashimoto, Hiroshi Hata
  • Publication number: 20120064319
    Abstract: 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: Application
    Filed: November 17, 2011
    Publication date: March 15, 2012
    Applicant: SHOWA DENKO PACKAGING CO.
    Inventor: Hiroshi Hata
  • Patent number: 8129008
    Abstract: 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: Grant
    Filed: April 28, 2006
    Date of Patent: March 6, 2012
    Assignee: Showa Denko Packaging Co.
    Inventor: Hiroshi Hata
  • Publication number: 20100278600
    Abstract: 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: Application
    Filed: October 10, 2007
    Publication date: November 4, 2010
    Applicants: OHTOMO CHEMICAL INS., CORP., SHOWA DENKO PACKAGING CO., SHOWA DENKO K.K.
    Inventors: Shingo Kaburagi, Yoshikazu Uda, Koji Okura, Yasuyuki Uraki, Tatsuhiro Mizo
  • Publication number: 20100227213
    Abstract: 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: Application
    Filed: May 14, 2008
    Publication date: September 9, 2010
    Applicant: SHOWA DENKO PACKAGING CO.
    Inventor: Hiroshi Hata
  • Publication number: 20100111623
    Abstract: 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: Application
    Filed: October 10, 2007
    Publication date: May 6, 2010
    Applicants: OHTOMO CHEMICAL INS., CORP., SHOWA DENKO PACKAGING CO., SHOWA DENKO K.K.
    Inventors: Shingo Kaburagi, Yoshikazu Uda, Koji Okura, Yasuyuki Uraki, Tatsuhiro Mizo
  • Publication number: 20100040942
    Abstract: 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: Application
    Filed: December 14, 2006
    Publication date: February 18, 2010
    Applicant: SHOWA DENKO PACKAGING CO.
    Inventors: Kazuhito Hatta, Masato Sato, Tsuyoshi Sugiyama, Hiroyuki Yamada, Tadashi Miebori, Koji Minamitani, Hiroshi Hata, Koji Miyano, Jun Tanigawa