发明名称 |
Pouring method, device, and cast in vacuum molding process |
摘要 |
A pouring method and a device in a vacuum sealed process to produce a thin-wall cast by using a mold framing for the a vacuum sealed process, and a as-cast product using the pouring method are provided. The pouring method comprises the steps of: sealingly covering the surface of a pattern plate by a shielding member; placing a mold framing on the shielding member and then putting a fill that does not include any binder in the mold framing; sealingly covering an upper surface of the fill and then evacuating an inside of the mold framing to suck the shielding member to the fill to shape the shielding member; removing the pattern plate from the shielding member, thereby forming a mold half that has a molding surface; forming another mold half in a similar way and mating the mold halves to define a molding cavity; pouring molten metal in the molding cavity; and releasing the negative pressure in the mold framing to take out a as-cast product, and further comprises the step of decompressing the molding cavity before pouring molten metal in the mated mold.
|
申请公布号 |
US2009114362(A1) |
申请公布日期 |
2009.05.07 |
申请号 |
US20080318098 |
申请日期 |
2008.12.22 |
申请人 |
SINTOKOGIO, LTD. |
发明人 |
MAKINO HIROYASU;TOMITA TAKETOSHI;OBA TAKAFUMI;SUZUKI HIROAKI;MIZUNO KENJI;ANDO TOSHIAKI;ENOMOTO YOSHINOBU;INOUE TAKAO;TAKEDA SHIZUO |
分类号 |
B22D18/08;B22C9/00;B22C9/03;B22C21/01;B22D2/00;B22D18/04;B22D18/06;B22D23/06 |
主分类号 |
B22D18/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|