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61. 发明专利

JP3552695B2 Method of manufacturing a loss model 有权
公开(公告)号：JP3552695B2
公开(公告)日：2004-08-11
申请号：JP2001318038
申请日：2001-10-16
申请人：本田技研工業株式会社
发明人：輝郎鎌田
IPC分类号： B22C7/02 , B22C9/04

62. 发明专利

JP2004522581A Mold, and a method of manufacturing the same investment casting 有权
公开(公告)号：JP2004522581A
公开(公告)日：2004-07-29
申请号：JP2002540877
申请日：2001-11-09
申请人：バントロックインダストリーズ, インコーポレイテッドBuntrock Industries, Inc.
发明人：ジョンヴァンダーメアー，
IPC分类号： B22C1/00 , B22C1/08 , B22C7/02 , B22C9/04
CPC分类号： B22C9/043 , B22C1/10 , B22C7/023 , B22C9/04 , B82Y30/00 , C04B35/14 , C04B35/62213 , C04B35/6263 , C04B35/62665 , C04B35/6316 , C04B35/638 , C04B35/803 , C04B35/82 , C04B2235/3201 , C04B2235/3418 , C04B2235/3463 , C04B2235/5212 , C04B2235/5232 , C04B2235/526 , C04B2235/5264 , C04B2235/5427 , C04B2235/5454 , C04B2235/5472 , C04B2235/5481 , C04B2235/6028 , C04B2235/606 , C04B2235/61 , C04B2235/96
摘要：本発明は、インベストメント鋳造の鋳型およびその製造方法に関する。本製造方法は、耐火性繊維、ガラス繊維、および耐火性充填剤を混合して乾燥配合物を形成し；該乾燥配合物を水性コロイドシリカゾルと混合して耐火性下塗用スラリーを形成し、該耐火性スラリーを用いてインベストメント鋳造の鋳型を製造することを伴う。

63. 发明专利

JP3543020B2 Disappearance prototype for creating for stereolithography resin composition of investment casting and investment casting process 失效
公开(公告)号：JP3543020B2
公开(公告)日：2004-07-14
申请号：JP31037894
申请日：1994-12-14
申请人：旭電化工業株式会社
发明人：和夫大川 , 一郎平塚 , 里行近岡
IPC分类号： G03F7/028 , B22C7/02 , B22C9/04 , B29C35/08 , B29C67/00 , B29K105/24 , C08G59/00 , C08G59/18 , C08G59/68 , C08L63/00 , G03F7/038
摘要： PURPOSE: To provide a resin compound for optical sterescopic shaping, by which a master pattern does not cause cracking and strain of a mold, when a resin not requiring post hardening treatment is embedded in refractory and heated as a lost foam master pattern of investment casting process and a investment casting process in which the shape obtained is used for a lost form pattern. CONSTITUTION: The compound contains, as essential components, a cation polymerization organic compound of 100 pts.wt., an energy live sensitive cation polymerization starter of 0.05-10 pts.wt. and a thermoplastic mateial, having

64. 发明专利

JP2004188479A Full-mold casting method and casting mold 审中-公开
标题翻译：全模铸造方法和铸造模具
公开(公告)号：JP2004188479A
公开(公告)日：2004-07-08
申请号：JP2002362264
申请日：2002-12-13
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： MORI SHIGEKI , NAKADE EIJI
IPC分类号： B22C1/02 , B22C7/02 , B22C9/02 , B22C9/04
摘要： PROBLEM TO BE SOLVED: To make useable a high density lost foam pattern without sacrificing the stability of a casting mold and also, lowering the productivity.
SOLUTION: In a full mold casting method with which molten metal is poured into the casting mold molded by burying the lost foam pattern 2 into molding sand 3, and the lost foam pattern 2 is burnt and replaced with the molten metal, the above lost foam pattern 2 is formed of the high density foaming material having 2 O
2 ) is beforehand impregnated. When the molten metal is poured into the casting mold, a large amount of oxygen is generated by developing thermal decomposition of the hydrogen peroxide and the lost foam pattern 2 is almost perfectly burnt by the oxygen and the production of the residue is restrained.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：在不牺牲铸模的稳定性的情况下，可以使用高密度失水泡沫图案，并且降低生产率。解决方案：在将熔融金属注入通过将消失的泡沫图案2埋入型砂3中而模制的铸模中的熔融金属的完全模具铸造方法中，并且将失去的泡沫图案2燃烧并用熔融金属代替，上述失水发泡图案2由具有<50倍发泡倍率的高密度发泡材料形成，从而提高加工精度，并且还抑制成型中的变形，另一方面，在上述型砂3中，预先浸渍过氧化氢（H 2 SB 2 O SB 2）。当熔融金属注入铸模时，通过发生过氧化氢的热分解产生大量的氧气，并且消失的泡沫图案2几乎被氧气完全燃烧并且抑制了残留物的产生。版权所有（C）2004，JPO＆NCIPI

65. 发明专利

JP2004114114A Foamed particle for biodegradable lost pattern, and molding foamed body 审中-公开
公开(公告)号：JP2004114114A
公开(公告)日：2004-04-15
申请号：JP2002282353
申请日：2002-09-27
申请人： Kanebo Ltd , Kanebo Synthetic Fibers Ltd , カネボウ合繊株式会社 , カネボウ株式会社
发明人： YANO YOSHIHITO
IPC分类号： B22C7/02 , C08J9/16 , C08L101/16
摘要： PROBLEM TO BE SOLVED: To obtain a molding foamed body capable of simplifying a molding/working process and improving cast surface roughness, and also having an excellent shape-keeping of a pattern being a new problem when an aliphatic polyester is used.
SOLUTION: The molding process is facilitated by using biodegradable foamed particles and the molding foamed body having the density in the range of 0.0301-0.0500 g/cm
3 . The shape-keeping of the lost pattern under high temperature surroundings and the smoothness of the cast surface produced as the product are excellent by resolving the problem of the cutting-off waste.
COPYRIGHT: (C)2004,JPO

66. 发明专利

JP2004090047A Lost pattern for precision casting, manufacturing method for precision casting lost pattern and casting mold, precision cast part and rotary machine using it 审中-公开
公开(公告)号：JP2004090047A
公开(公告)日：2004-03-25
申请号：JP2002255556
申请日：2002-08-30
申请人： Ebara Corp , 株式会社荏原製作所
发明人： TAKAYAMA HIROKAZU , SAKAMOTO KATSUHIKO , KUDO SATOSHI , OGAWA TOSHIYUKI
IPC分类号： F04D29/22 , B22C7/02 , B22C9/04 , B29C33/40 , B29C33/52 , B29L31/08 , F04D29/42
摘要： PROBLEM TO BE SOLVED: To provide a precision casting lost pattern which can manufacture a cast easily at low cost and is easily applicable for production of a large cast product, a manufacturing method for the precision casting lost pattern and casting mold, a precision cast part and a rotary machine using it.
SOLUTION: An elastomer mold 20 whose inside cavity 23 is copied from the lost pattern is prepared, raw materials including a foaming agent is put inside the mold 20 and foamed to transfer the profile of the cavity 23 to the precision casting lost pattern 70 made of a forming material, and then the lost pattern 70 is stripped out of the mold 20 after hardened. A slurry composed of refractory material as an aggregate is applied and dried over the outer periphery of the lost pattern 70, then heated and pressurized by an autoclave while the lost pattern 70 inside is mostly removed. The slurry is further heated and sintered to manufacture the precision casting mold 90 by complete thermal decomposition of the lost pattern 70 inside.
COPYRIGHT: (C)2004,JPO

67. 发明专利

JP2004074188A Casting pattern, production method used for the same, and casting method using casting pattern 有权
公开(公告)号：JP2004074188A
公开(公告)日：2004-03-11
申请号：JP2002235169
申请日：2002-08-12
申请人： Punch Industry Co Ltd , パンチ工業株式会社
发明人： MORIKUBO YUJI
IPC分类号： B22C7/02 , B22C9/04
摘要： PROBLEM TO BE SOLVED: To provide a casting pattern reducing labortime for forming a cavity during casting by a casting pattern and thus realizing drastic reduction of the number of production processes, and also provide a production method for the casting pattern which is formed with high accuracy and efficiency in accordance with a product to be casted even when it has especially large and complicated shape and realizes drastic reduction of production cost in casting production. SOLUTION: The casting pattern formed in accordance with shape of the product to be casted is produced in such a way that the shape of the casting pattern is uniformly divided into a plurality of blocks in one suitable direction among longitudinal, transverse and vertical directions to form a plurality of pattern parts and the plurality of the pattern parts are assembled in sequence. COPYRIGHT: (C)2004,JPO

68. 发明专利

JP2004074177A Method for manufacturing resin pattern and lost wax precision casting method using this resin pattern 有权
标题翻译：使用该树脂图案制造树脂图案和丢失WAX精密铸造方法的方法
公开(公告)号：JP2004074177A
公开(公告)日：2004-03-11
申请号：JP2002234378
申请日：2002-08-12
申请人： Shonan Design Kk , 湘南デザイン株式会社
发明人： SUZUKI HIDEKAZU , SAITO AKIO , KITA TARO
IPC分类号： B22C7/02 , B22C9/04 , B29C39/04 , B29C39/12 , B29C39/24 , B29K75/00 , C08G18/48 , C08K5/00 , C08L75/08
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a resin pattern for lost wax precision casting method and this casting method with which various kinds of problems caused by the wax pattern are dissolved.
SOLUTION: This method for manufacturing the resin pattern, is contained of at least, a hardened layer forming process, in which two-liquid reaction hardening type urethane resin liquid (A) having only 1 to 3 min useable time is poured into a cavity 3 by the volume amount corresponding to 5 to 20% of the cavity 3 through a pouring hole 4 of a mold 2 for forming the resin pattern demarcating the cavity 3 having the same shape as a product and the mold 2 is rotated after sealing the pouring hole 4 to form the two-liquid reaction hardening type urethane resin hardened layer 11 in the inner wall of the mold 2, a resin pattern forming process, in which the hardened layer 11 is laminated by repeating the above hardened layer forming processes at 3 to 6 times in each 3 to 5 min to form the resin pattern 12 having the inner space 30 at the central portion, and a mold removing process, in which the resin pattern 12 is removed from the mold 2 for forming the resin pattern.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种用于制造用于失蜡精密铸造方法的树脂图案的方法和由蜡图案引起的各种问题的铸造方法。解决方案：制造树脂图案的方法至少包含硬化层形成工艺，其中仅将1-3分钟的双液反应硬化型聚氨酯树脂液体（A）投入到空腔3通过用于形成树脂图案的模具2的注入孔4相对于空腔3的5至20％的体积量分隔具有与产品相同形状的模腔3，并且模具2在密封之后旋转浇注孔4在模具2的内壁中形成双液反应硬化型聚氨酯树脂硬化层11，树脂图案形成工艺，其中通过重复上述硬化层形成工艺层压硬化层11 在3〜5分钟内进行3〜6次，形成在中央部具有内部空间30的树脂图案12，在树脂图案12中，从形成树脂图案的模具2中除去树脂图案12。版权所有（C）2004，JPO

69. 发明专利

JP3480263B2 Method of manufacturing a cast iron piston for an internal combustion engine 失效
公开(公告)号：JP3480263B2
公开(公告)日：2003-12-15
申请号：JP25141097
申请日：1997-09-02
申请人：いすゞ自動車株式会社
发明人：徹大工原 , 幸司柳井
IPC分类号： B22C7/02 , B22C9/04 , B22C9/22

70. 发明专利

JP2003211254A PRECISION CASTING METHOD AND PRECISION CAST PRODUCT PRODUCED WITH THIS PRECISION CASTING METHOD 审中-公开
公开(公告)号：JP2003211254A
公开(公告)日：2003-07-29
申请号：JP2002008518
申请日：2002-01-17
申请人： SHONAN DESIGN KK
发明人： MATSUOKA YASUHIKO , KITA TARO , MATSUMURA MINORU , ABE MINORU , SUZUKI HIDEKAZU , TANAKA MASAYUKI , FUJII MASATO , KAMATA KAZUKI , SAITO AKIO , KIKUCHIHARA MASATO
IPC分类号： B22C7/02 , C08F283/01 , C08F299/02 , C08G59/20
摘要： PROBLEM TO BE SOLVED: To solve the problems of a conventional wax pattern and to provide a resin pattern having good losing characteristics and high forming precision. SOLUTION: In precision casting with a lost wax method, the resin pattern is used instead of the wax pattern. This resin pattern is formed by hardening reaction hardening resin liquid (B) containing 10 to 40 wt.% liquid plasticizer (A) within 5 min pot life at a room temperature. Further, the hardness at 80°C is in a range of 30 to 60 Shore D hardness. COPYRIGHT: (C)2003,JPO

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