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1. 发明授权

US4741378A Sprue pin for producing castings 失效
标题翻译：用于生产铸件的浇口针
公开(公告)号：US4741378A
公开(公告)日：1988-05-03
申请号：US778196
申请日：1985-09-20
申请人： Melvin A. Engelman , Victor Zamaloff , Lori D. Cooke
发明人： Melvin A. Engelman , Victor Zamaloff , Lori D. Cooke
IPC分类号： B22C7/02 , B22C9/08 , B22C9/04
CPC分类号： B22C7/02 , B22C9/08
摘要： An improved sprue pin for producing castings by the lost wax method wherein the sprue pin gradually decreases in external circumference toward the tip of the sprue. The length and gauge of the sprue is such that it provides acceptable flow rates and solidification times for new base metal and palladium alloys. A set of lines about the circumferentially decreasing tip allows the user to conform the sprue to the size of the wax pattern being used to form the casting.
摘要翻译：一种用于通过失蜡方法生产铸件的改进的浇道销，其中浇道针在外圆周朝向浇口的尖端逐渐减小。浇口的长度和尺寸使其为新的贱金属和钯合金提供可接受的流速和凝固时间。围绕周向减少的尖端的一组线条使得使用者能够使浇口适应于用于形成铸件的蜡模的尺寸。

2. 发明授权

US5749411A Spruing assembly 失效
标题翻译：漂流装配
公开(公告)号：US5749411A
公开(公告)日：1998-05-12
申请号：US675989
申请日：1996-07-09
申请人： David M. Zielinski , Melvin A. Engelman
发明人： David M. Zielinski , Melvin A. Engelman
IPC分类号： B22C7/02 , B22C9/04 , B22C9/08
CPC分类号： B22C9/082 , B22C7/02 , B22C9/04
摘要： A spruing assembly for receiving investment material in the production of an investment mold for castings by the "lost wax" process which includes a hollow chamber to receive the investment material. Included within the chamber is one or more sprue for supporting the wax pattern(s) to be cast and one or more corresponding predetermined shaped reservoir(s) being slidably moveable up or down the sprue to create the heat center of the investment mold. Where a long span casting is to be produced all the reservoirs are connected to form a continuous reservoir or Feeder Bar which conforms to the curve of a long span dental arch. A base member is provided within the chamber for supporting the sprue.
摘要翻译：一种用于通过“失蜡”过程接收投资材料生产投资模具的投资组件，其包括用于接收投资材料的中空室。包括在腔室内的是一个或多个浇口，用于支撑待浇铸的蜡图案，以及一个或多个相应的预定形状的储存器可在浇道上或下滑动地移动以形成投资模具的热中心。在要生产长跨度铸件的地方，所有的储层都连接起来形成一个符合长跨度牙拱曲线的连续贮存器或进料棒。底座部件设置在腔室内，用于支撑浇道。

3. 发明授权

US4558841A Spruing assembly 失效
标题翻译：漂流装配
公开(公告)号：US4558841A
公开(公告)日：1985-12-17
申请号：US579151
申请日：1984-02-10
申请人： Melvin A. Engelman , Victor Zamaloff , Curtis L. Engelman
发明人： Melvin A. Engelman , Victor Zamaloff , Curtis L. Engelman
IPC分类号： A61C13/20 , B22C9/04 , B22D25/02 , B22C7/02 , A61C13/00
CPC分类号： A61C13/20 , B22C9/04 , B22D25/026 , Y10S164/04
摘要： A spruing assembly for receiving investment material in the production of an investment mold for castings by the "lost wax" process which includes a hollow chamber to receive the investment material formed by a base member and an engaging tapered ring. A horizontal feeder bar is contained within the chamber and is supported by hollow sprue means. The feeder bar is open at its top and has a narrow channel for conducting molten wax into the hollow sprue support. The base member includes a centralized sprue base former and support means associated with the former to provide support for the hollow sprue means supporting the feeder bar.
摘要翻译：一种用于通过“失蜡”方法在铸造件投资模具生产中投入物料的突出组件，其包括用于接收由基件和接合锥形环形成的投资材料的中空室。水平进料棒被容纳在室内并由空心浇道装置支撑。进料棒在其顶部是开放的，并且具有狭窄的通道，用于将熔融的蜡引入中空的直浇道支撑件中。基部构件包括集中的浇道底座成形器和与前者相关联的支撑装置，以为支撑进料棒的中空浇道装置提供支撑。

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