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1. 发明专利

JP2002093554A HEATER BODY 失效
公开(公告)号：JP2002093554A
公开(公告)日：2002-03-29
申请号：JP2000284478
申请日：2000-09-20
申请人： TOYO TANSO CO
发明人： KONDO TERUHISA , KUSUYAMA HISAMI , TOJO TETSURO , KAMIYAMA MINEHIRO , IZUMIYA MASAKI , IMOTO HIDENORI , HAYAKAWA HIROSHI
IPC分类号： H05B3/38 , H05B3/02 , H05B3/14 , H05B3/20
摘要： PROBLEM TO BE SOLVED: To provide a heater body made of an expanded graphite sheet superior in a strength and flexibility, especially the heater body composed of the expanded graphite sheet which can be used as a heater for a vehicle seat. SOLUTION: The expanded graphite, electroconductive mineral fiber, aramid pulp and rubber latex are mixed, and the sheet obtained by papermaking the product is used as the heater body.

2. 发明专利

JP2000355018A MOLD FOR RESIN MOLDING 失效
公开(公告)号：JP2000355018A
公开(公告)日：2000-12-26
申请号：JP16928499
申请日：1999-06-16
申请人： TOYO TANSO CO
发明人： KAMIYAMA MINEHIRO , SOGABE TOSHIAKI , OKAZAKI MASATOYO , TOJO TETSURO , HAYAKAWA HIROSHI
IPC分类号： B29C33/38
摘要： PROBLEM TO BE SOLVED: To make the heat diffusion of an entire mold uniform by structurally bonding a plurality of carbonaceous material blocks together into one piece and using an adhesive for this bonding composed of a heat-curable resin containing a carbonaceous material. SOLUTION: A carbonaceous material block comprises a binary material obtained by kneading 100 pts.wt. finely powdered aggregate coke with a particle diameter of 1-100 μm with about 40-80 pts.wt. pitch binder such as coal tar pitch or petroleum pitch or a unitary material such as modified pitch or mesocarbon microbeads at about 150-250 deg.C and cooling and grinding this mixture and further, adjusting the grain size. After that, the mixture is molded and thermally treated as an isotropic graphite block. A plurality of the graphite blocks are bonded together in one piece as a bonded structure and a metallic film 2 is formed on the surface of the structure. In this case, an adhesive comprising a heat-curable resin containing a carbonaceous material as an adhesive material for each of the graphite blocks, is used.

3. 发明专利

JP2003191250A GRAPHITE MOLD OF GOOD MOLDABILITY 审中-公开
公开(公告)号：JP2003191250A
公开(公告)日：2003-07-08
申请号：JP2001398710
申请日：2001-12-28
申请人： TOYO TANSO CO
发明人： HAYAKAWA HIROSHI , YOSHIMOTO OSAMU , TOJO TETSURO
IPC分类号： B29C33/38 , C04B35/52 , C04B38/00
摘要： PROBLEM TO BE SOLVED: To provide a graphite mold for resin molding which is so excellent in moldability as to hardly cause a defect such as a weld, a short or a burn in a molded article and which has a short cycle time and is lightweight and inexpensive in the cost. SOLUTION: The graphite mold of good moldability for resin molding is formed of a graphite material having a gas permeability of 1×10 -2 -10 cm 2 /sec, a heat conductivity of 60 W/(m K) or above and the average pore diameter of the surface of 0.1-20 μm. COPYRIGHT: (C)2003,JPO

4. 发明专利

JP2002067045A GRAPHITE MOLD FOR MOLDING URETHANE FOAM 失效
公开(公告)号：JP2002067045A
公开(公告)日：2002-03-05
申请号：JP2000266996
申请日：2000-09-04
申请人： TOYOTA MOTOR CORP , TOYO TANSO CO
发明人： HORI JUNJI , YAMANE MICHITOSHI , HAYAKAWA HIROSHI , TOJO TETSURO , KAMIYAMA MINEHIRO , KONDO TERUHISA
IPC分类号： B29C33/38
摘要： PROBLEM TO BE SOLVED: To provide a graphite mold for molding a urethane foam which may not use a mold release agent by forming a fluororesin layer having excellent mold releasability from the urethane foam on a surface of a molding surface by a large fixing force. SOLUTION: The graphite mold for molding the urethane foam used in the case of foam molding a urethane resin comprises a graphite base 2 formed in a predetermined shape, and a sealing layer 3 formed at a molding surface 9 side of the base 2 and containing a low molecular weight fluororesin to advance into hole gaps 10 of the base 2. The graphite mold also comprises a buffer layer 5 made of a fluororesin in which a buffer material formed on a surface of the layer 5 to absorb an impact is dispersed, and a surface layer 6 made of a high molecular weight fluororesin and provided at a surface side of the layer 3.

5. 发明专利

JP2001220266A GRAPHITIC MATERIAL FOR METAL PLATING AND GRAPHITIC MEMBER COATED WITH METAL PLATING 失效
公开(公告)号：JP2001220266A
公开(公告)日：2001-08-14
申请号：JP2000032601
申请日：2000-02-03
申请人： FUSOO KK , TOYO TANSO CO
发明人： KAWASAKI MOTOO , KONO TAKAYOSHI , ONO SUMIKO , KONDO TERUHISA , TOJO TETSURO , HAYAKAWA HIROSHI , SOGABE TOSHIAKI
IPC分类号： C04B41/82 , C04B41/48 , C04B41/83 , C04B41/88
摘要： PROBLEM TO BE SOLVED: To obtain a graphitic material for metal plating and a graphitic member coated with a metal plating in which sealing treatment of the graphitic material forming a substrate is certainly carried out and generation of rust on the metal plating layer formed on the surface thereof is suppressed. SOLUTION: This graphitic material is obtained by impregnating the pore on the surface thereof with an acrylic monomer and polymerizing the acrylic monomer in the pore and curing to a gel state to seal the pore on the surface thereof by heating to 90-120 deg.C. The graphitic member is obtained by coating the surface thereof with the metal plating.

6. 发明专利

JP2000238045A PLASTIC MOLDING TOOL AND MANUFACTURE THEREOF 失效
公开(公告)号：JP2000238045A
公开(公告)日：2000-09-05
申请号：JP36083799
申请日：1999-12-20
申请人： FUSOO KK , TOYO TANSO CO
发明人： KAWASAKI MOTOO , ONO SUMIKO , YOSHIOKA HIDEHIRO , TAKAYAMA JUNICHI , KONDO TERUHISA , TOJO TETSURO , HAYAKAWA HIROSHI
IPC分类号： B29C33/38
摘要： PROBLEM TO BE SOLVED: To provide a plastic molding tool, the base material of which is made of graphite material, which is so excellent in durability as can ensure a number of shots, which is equal to the number of shots performed by a mold made of steel material, as a practical mold. SOLUTION: This molding tool consists of a graphite material 1 and covering layers laminated onto the surface of the graphite material 11. The covering layers are laminated onto the surface of the graphite material 11 and has a two-layered structure of nickel plating layers 12 and 13 each having the thickness of 30-150 μm and an iron plating layer 14 having the thickness of 1 mm or more.

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