发明授权
US06220334B1 Process for washing molding die for cold box process and washing apparatus therefor
失效
用于冷箱加工的洗涤成型模具及其洗涤装置的方法
- 专利标题： Process for washing molding die for cold box process and washing apparatus therefor
- 专利标题（中）： 用于冷箱加工的洗涤成型模具及其洗涤装置的方法
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申请号： US09199727申请日： 1998-11-25
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公开(公告)号： US06220334B1公开(公告)日： 2001-04-24
- 发明人: Munekatsu Tomita , Haruyoshi Hirano , Hideaki Shimizu , Hidetoshi Nakamura
- 申请人： Munekatsu Tomita , Haruyoshi Hirano , Hideaki Shimizu , Hidetoshi Nakamura
- 优先权： JP9-324144 19971126
- 主分类号： B08B302
- IPC分类号： B08B302
摘要：
A molding die for a cold box process is opened after usage. Washing water is heated at a temperature of 70° C. or more, and is blown to a molding surface of the molding die at a high pressure of 10 MPa or more. The cold-box-process molding die can be washed by this process easily and fully.
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