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11. 发明授权

US5491180A Binder composition for mold making, binder/curing agent composition for mold making, sand composition for mold making, and process of making mold 失效
标题翻译：用于模具的粘合剂组合物，用于模具制备的粘合剂/固化剂组合物，用于模具制造的砂组合物和模具制造工艺
公开(公告)号：US5491180A
公开(公告)日：1996-02-13
申请号：US291065
申请日：1994-08-17
申请人： Kazuhiko Kiuchi , Shigeo Nakai , Masuo Sawa , Masayuki Kato , Mitsuru Sakai , Shinya Nomura
发明人： Kazuhiko Kiuchi , Shigeo Nakai , Masuo Sawa , Masayuki Kato , Mitsuru Sakai , Shinya Nomura
IPC分类号： B22C1/22 , C08G16/02
CPC分类号： B22C1/224 , C08G16/025
摘要： Sand compositions containing a binder composition and a curing agent, in which the binder composition comprises (a) a binder comprising an acid-curable resin and (b) from 0.5 to 63.0% by weight, based on the binder composition, of at least one curing accelerator selected from compounds represented by formula (1): ##STR1## wherein X.sub.1, X.sub.2 each represent a hydrogen atom, a methyl group or an ethyl group;exhibit an increased curing rate to provide a casting mold having an increased initial strength.
摘要翻译：含有粘合剂组合物和固化剂的砂组合物，其中粘合剂组合物包含（a）包含酸可固化树脂的粘合剂和（b）基于粘合剂组合物的0.5至63.0重量％的至少一种选自由式（1）表示的化合物的固化促进剂：其中X 1，X 2各自表示氢原子，甲基或乙基; 表现出提高的固化速率以提供具有增加的初始强度的铸模。

12. 发明授权

US08813829B2 Method for producing mold 有权
标题翻译：生产模具的方法
公开(公告)号：US08813829B2
公开(公告)日：2014-08-26
申请号：US12990396
申请日：2009-04-27
申请人： Yoshimitsu Ina , Shigeo Nakai , Toshiki Matsuo
发明人： Yoshimitsu Ina , Shigeo Nakai , Toshiki Matsuo
IPC分类号： B22C1/22 , B22C9/02
CPC分类号： B22D29/00 , B22C1/185 , B22C1/22 , B22C1/2233
摘要： In production of a mold with the reclaimed spherical molding sand having a sphericity of 0.95 or more and mainly composed of Al2O3 together with the binder containing the acid-hardening resin and the hardening agent (I), at least one of the hardening agents (I) and (II) that is used in production of a mold from which the reclaimed molding sand is obtained contains the organic sulfonic acid, and in the hardening agent, a content of sulfuric acid is not more than 5% by weight and a content of phosphoric acid is not more than 5% by weight.
摘要翻译：在具有球形度为0.95以上并且主要由Al 2 O 3组成的再生球形型砂与含有酸硬化树脂和硬化剂（I）的粘合剂一起生产的模具中，至少一种硬化剂）和（II），其中获得回收型砂的模具的生产包含有机磺酸，并且在硬化剂中，硫酸的含量不超过5重量％，并且含量磷酸不超过5重量％。

13. 发明授权

US07673668B2 Spherical casting sand 有权
标题翻译：球形铸砂
公开(公告)号：US07673668B2
公开(公告)日：2010-03-09
申请号：US10537833
申请日：2003-12-09
申请人： Mikio Sakaguchi , Shigeo Nakai , Kazuhiko Kiuchi , Akira Doi
发明人： Mikio Sakaguchi , Shigeo Nakai , Kazuhiko Kiuchi , Akira Doi
IPC分类号： B22C1/00 , B22C9/02
CPC分类号： C04B35/185 , B22C1/00 , C01F7/027 , C01P2004/02 , C01P2004/32 , C01P2004/61 , C04B35/62665 , C04B2235/3218 , C04B2235/3272 , C04B2235/349 , C04B2235/528 , C04B2235/5296 , C04B2235/5427 , C04B2235/5481 , C04B2235/77 , C04B2235/79
摘要： Molding sand having a high spherical degree and a low hygroscopicity produced from powder containing Al2O3 and SiO2, as main components by a flame fusion method, from which a mold having an excellent strength and a smooth surface is produced.
摘要翻译：通过火焰熔融法，作为主要成分，通过火焰熔融法生产具有高的球形度和低吸湿性的成型砂，其由含有Al 2 O 3和SiO 2的粉末产生，由此制备具有优异强度和光滑表面的模具。

14. 发明申请

US20060005937A1 Spherical casting sand 有权
标题翻译：球形铸砂
公开(公告)号：US20060005937A1
公开(公告)日：2006-01-12
申请号：US10537833
申请日：2003-12-09
申请人： Mikio Sakaguchi , Shigeo Nakai , Kazuhiko Kiuchi , Akira Doi
发明人： Mikio Sakaguchi , Shigeo Nakai , Kazuhiko Kiuchi , Akira Doi
IPC分类号： B22C1/00 , B22C9/02
CPC分类号： C04B35/185 , B22C1/00 , C01F7/027 , C01P2004/02 , C01P2004/32 , C01P2004/61 , C04B35/62665 , C04B2235/3218 , C04B2235/3272 , C04B2235/349 , C04B2235/528 , C04B2235/5296 , C04B2235/5427 , C04B2235/5481 , C04B2235/77 , C04B2235/79
摘要： Molding sand having a high spherical degree and a low hygroscopicity produced from powder containing Al2O3 and SiO2, as main components by a flame fusion method, from which a mold having an excellent strength and a smooth surface is produced.
摘要翻译：通过火焰作为主要组分，由含有Al 2 O 3 3和SiO 2的粉末产生的具有高球形度和低吸湿性的成型砂熔融法，制造具有优异的强度和光滑表面的模具。

15. 发明授权

US06326418B1 Acid-curable, refractory particulate material composition for forming mold 有权
$Acid-curable, refractory particulate material composition for forming mold$
标题翻译：用于成型模具的可酸固化的耐火颗粒材料组合物
公开(公告)号：US06326418B1
公开(公告)日：2001-12-04
申请号：US09331666
申请日：1999-06-23
申请人： Shigeo Nakai , Masayuki Kato , Masuo Sawa
发明人： Shigeo Nakai , Masayuki Kato , Masuo Sawa
IPC分类号： B22C122
CPC分类号： B22C1/22 , B22C1/2266
摘要： The present invention provides a refractory granular material composition for a self-hardening molding by acid-hardening, consisting essentially of: a refractory granular material, an acid-hardening resin-containing binder composition, an acid-containing hardener composition, and at least one solvent selected from the group consisting of (1) alcohols, (2) ether alcohols and ester shown below: wherein R1 represents a C4 to C8 straight-chain or branched aliphatic hydrocarbon group or a benzyl group; R2 represents a C1 to C10 straight-chain or branched aliphatic hydrocarbon group, phenyl group or a benzyl group; R3 represents an ethylene group or a propylene group; n is an integer of 1 to 12; R4 represents, phenyl group or a methyl group; and R5 is a C2 to C6 aliphatic hydrocarbon group or (R3 —O)n R2.
摘要翻译：本发明提供了一种用于通过酸硬化的自硬化模塑的耐火颗粒材料组合物，其基本上由以下组成：耐火颗粒材料，含酸固化树脂的粘合剂组合物，含酸固化剂组合物和至少一种选自（1）醇，（2）醚醇和酯的溶剂：其中R1表示C4至C8直链或支链脂族烃基或苄基; R2表示C1〜C10直链或支链脂族烃基，苯基或苄基; R3表示亚乙基或亚丙基; n为1〜12的整数。 R4表示苯基或甲基; R5为C2〜C6脂肪族烃基或（R3-O）nR2。

16. 发明授权

US5169880A Process for making foundry sand mold 失效
标题翻译：制作砂金模具的工艺
公开(公告)号：US5169880A
公开(公告)日：1992-12-08
申请号：US666203
申请日：1991-03-07
申请人： Akira Yoshida , Shigeo Nakai , Naoki Kyochika , Akio Mamba
发明人： Akira Yoshida , Shigeo Nakai , Naoki Kyochika , Akio Mamba
IPC分类号： B22C1/20 , B22C1/22 , C08K5/10 , C08L61/04 , C08L61/08
CPC分类号： B22C1/2253 , B22C1/205
摘要： A foundry sand mold is produced by molding a granular refractory material with the use of (1) a binder comprising a silane coupling agent, a water-soluble phenolic resin and a silane compound selected from an alkyl silicate having 1 to 8 carbon atoms in the alkyl group, its lower condensate, a silicone oil and a modified silicone oil and (2) a hardening agent comprising an organic ester.
摘要翻译：通过使用（1）包含硅烷偶联剂，水溶性酚醛树脂和选自具有1至8个碳原子的烷基硅烷的硅烷化合物的粘合剂来模制粒状耐火材料来生产铸造砂模具烷基，其低级缩合物，硅油和改性硅油，和（2）包含有机酯的硬化剂。

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