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1. 发明专利

JP2005059081A High strength water-soluble core and its manufacturing method 有权
标题翻译：高强度水溶性芯及其制造方法
公开(公告)号：JP2005059081A
公开(公告)日：2005-03-10
申请号：JP2003295362
申请日：2003-08-19
申请人： Sanei Shirika:Kk , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社三栄シリカ
发明人： TOMISHIGE HIROMI , AWANO YOJI , JO GINKA , HARA MIKI
IPC分类号： B22D29/00 , B22C1/00 , B22C1/02 , B22C1/10 , B22C9/10
摘要： PROBLEM TO BE SOLVED: To provide a water-soluble core combining high temperature strength with the water solubility giving an indication of the easiness of shaking-out of the molding sand.
SOLUTION: The water-soluble core coated with the water-soluble inorganic binder on the surface of the molding sand grain, is characterized in that one or more kinds of the inorganic filler selected from among silica sand, alumina, potassium titanate, silicon carbide, zircon silicate, fibrous potassium titanate, titanium oxide, zinc oxide, iron oxide and magnesium oxide, are added to a water-soluble inorganic salt binder.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种结合高温强度的水溶性芯与水溶性，表明容易摇摆型砂的迹象。解决方案：在型砂粒表面涂覆有水溶性无机粘合剂的水溶性芯的特征在于，选自硅砂，氧化铝，钛酸钾，将碳化硅，硅酸锆，纤维状钛酸钾，氧化钛，氧化锌，氧化铁和氧化镁加入到水溶性无机盐粘合剂中。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2005066634A Water-soluble core binder, water-soluble core, and method for manufacturing the same 审中-公开
标题翻译：水溶性核心粘合剂，水溶性芯及其制造方法
公开(公告)号：JP2005066634A
公开(公告)日：2005-03-17
申请号：JP2003298992
申请日：2003-08-22
申请人： Sanei Shirika:Kk , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社三栄シリカ
发明人： TOMISHIGE HIROMI , AWANO YOJI , JO GINKA , HARA MIKI
IPC分类号： B22C1/00 , B22C1/18 , B22C9/10
摘要： PROBLEM TO BE SOLVED: To provide a water-soluble core binder with both sufficient core strength and water-solubility.
SOLUTION: The water-soluble core binder is composed of at least one kind of water-soluble inorganic salt consisting of combination of cations selected from magnesium ions (Mg
2+ ), sodium ions (Na
+ ) and calcium ions (Ca
2+ ) with anions selected from SO
4
2- , CO
3
2- , HCO
3
2- and B
4 O
7
- (except a case of only magnesium sulphate (MgSO
4 )). In particular, the water-soluble core binder is composed of, by weight, 0-99.9% magnesium sulfate (MgSO
4 ), and 100-0.1% at least one kind selected from sodium carbonate (Na
2 CO
3 ), sodium tetraborate (Na
2 B
4 O
7 ) and sodium sulfate (Na
2 SO
4 ).
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供具有足够的芯强度和水溶性的水溶性芯粘合剂。解决方案：水溶性芯粘合剂由至少一种水溶性无机盐组成，它由选自镁离子（Mg 2 + ），钠离子（Na ＆lt; SP＆gt; +＆lt; / SP＆gt;）和具有阴离子的离子（Ca 2 + ）与SO 2 > 3 2 - ，HCO 3 2 - 和B 4 < / SB> - （除了仅硫酸镁（MgSO 4）之外）的情况。特别地，水溶性芯粘合剂由重量比为0-99.9％硫酸镁（MgSO 4）和100〜0.1％选自碳酸钠（Na 2 O 3）的至少一种， SB> 2 3 ），四硼酸钠（Na 2 SBB 2，SB SB 4，SB 7）和硫酸钠（Na 2 SB 3 SO 4）。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2005138141A Method and apparatus for reusing molding sand and water-soluble inorganic salt binder 有权
标题翻译：回收模具和水溶性无机盐结合剂的方法和装置
公开(公告)号：JP2005138141A
公开(公告)日：2005-06-02
申请号：JP2003376705
申请日：2003-11-06
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KITAZAWA SADAO , SATO TAKUO , TOMISHIGE HIROMI , AWANO YOJI , JO GINKA
IPC分类号： B09B5/00 , B22C1/18 , B22C5/00 , B22C5/02 , B22D29/00
摘要： PROBLEM TO BE SOLVED: To provide a method for almost fully reusing molding sand and water-soluble inorganic salt binder from a water-soluble core, and an apparatus used in this method.
SOLUTION: The apparatus for reusing the molding sand and the water-soluble inorganic salt binder, includes: a sand dropping device 1 for removing the molding sand by using water pressure from a casting using a water-soluble core with the water-soluble inorganic salt binder covered on the surface of the molding sand grain; a device 2 for injecting the water-soluble inorganic binder water solution to this sand-dropping device from the following solution buffering vessel through a circulating pump; a sand depositing vessel 3 which is arranged below the the sand dropping device and stores the removed molding sand and mixture composed of the water-soluble inorganic salt binder and the water, for depositing the molding sand; a solution buffering vessel 4 which communicates with the upper part of the sand depositing vessel and stores the water-soluble inorganic salt binder aqueous solution separated from the molding sand; and a dehydrating device 5 which communicates with the lower part of this sand depositing vessel, dehydrates slurry composed of the molding sand, the water-soluble inorganic salt binder and the water to a prescribed concentration, and sends kneaded sand into a molding machine.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种从水溶性芯中几乎完全重复使用型砂和水溶性无机盐粘合剂的方法以及该方法中使用的装置。解决方案：用于重新使用型砂和水溶性无机盐粘合剂的设备包括：用于通过使用水溶性核心的铸件使用水压来除去型砂的除砂装置1，覆盖在型砂粒表面的可溶性无机盐粘合剂; 用于通过循环泵将水溶性无机粘合剂水溶液从以下溶液缓冲容器注入到该脱墨装置的装置2; 砂沉积容器3，其布置在撒砂装置的下方，并且存储由水溶性无机盐粘合剂和水组成的去除的型砂和混合物，用于沉积型砂; 溶液缓冲容器4，其与砂沉积容器的上部连通并存储与型砂分离的水溶性无机盐粘合剂水溶液; 和与该砂沉积容器的下部连通的脱水装置5，将由型砂，水溶性无机盐粘合剂和水构成的浆料脱水至规定浓度，将捏合砂送入成形机。版权所有（C）2005，JPO＆NCIPI

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