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1. 发明授权

US4969501A Method and apparatus for use during casting 失效
标题翻译：铸造时使用的方法和装置
公开(公告)号：US4969501A
公开(公告)日：1990-11-13
申请号：US433766
申请日：1989-11-09
申请人： John E. Brokloff , Richard C. Kerr , Thomas L. Betz
发明人： John E. Brokloff , Richard C. Kerr , Thomas L. Betz
IPC分类号： B22D27/04
CPC分类号： B22D27/045
摘要： A baffle retard the transfer of heat from a mold structure to a chill plate during casting of molten metal. The baffle includes a circular support portion and a plurality of flexible segments which extend from the support portion. Each of the segments is engageable with an irregular side portion of the mold structure. During a casting operation, the chill plate and mold structure are lowered from a furnace chamber. As they are lowered, the baffle is maintained in engagement with an irregular side portion of the mold structure until the irregular side portion moves below the baffle. To maintain the baffle in engagement with the irregular side portion of the mold structure during lowering of the mold structure, the flexible segments of the baffle resiliently flex toward and away from the central axis of the baffle. The flexible segments of the baffle may advantageously be formed of a graphite foil.
摘要翻译：挡板在铸造熔融金属期间阻止热量从模具结构传递到冷却板。挡板包括圆形支撑部分和从支撑部分延伸的多个柔性部分。每个段可与模具结构的不规则侧部接合。在铸造操作期间，冷却板和模具结构从炉室下降。当它们降低时，挡板保持与模具结构的不规则侧部接合，直到不规则侧部移动到挡板下方。为了在模具结构降低期间将挡板保持与模具结构的不规则侧部接合，挡板的柔性部分弹性地朝向和远离挡板的中心轴线弯曲。挡板的柔性段可有利地由石墨箔形成。

2. 发明授权

US4940073A Mold for casting a single crystal metal article 失效
标题翻译：用于铸造单晶金属制品的模具
公开(公告)号：US4940073A
公开(公告)日：1990-07-10
申请号：US382729
申请日：1989-07-19
申请人： Arunachalam Jeyarajan , Lawrence D. Graham , John E. Brokloff , Louis H. Monte
发明人： Arunachalam Jeyarajan , Lawrence D. Graham , John E. Brokloff , Louis H. Monte
IPC分类号： C30B11/00
CPC分类号： C30B11/002
摘要： A single crystal selector has a passage into which a plurality of crystals grow from a starter cavity and from which a single crystal emerges into an article mold cavity. The single crystal selector passage includes a linear lower vertical portion which extends upwardly away from an end portion on the starter cavity. A linear vertical upper portion of the selector passage extends downwardly from a lower end portion of the article mold cavity. A single bend portion of the selector passage extends between the upper and lower portions of the selector passage. A support element extends upwardly from a lower section of the selector to an upper section of the selector to at least partially support a single bend section of the selector. The single bend portion of the selector passage has a generally circular cross sectional configuration with a diameter which is less than 0.25 inches. The single bend portion of the selector passage extends sidewardly for a distance which is at least 1.5 times the diameter of the selector passage.
摘要翻译：单个晶体选择器具有多个晶体从起动器腔体生长并从其中单晶体出现到制品模具腔中的通道。单晶选择器通道包括从启动器腔体上的端部向上延伸的线性下垂直部分。选择通道的直线垂直上部从制品模腔的下端部向下延伸。选择器通道的单个弯曲部分在选择器通道的上部和下部之间延伸。支撑元件从选择器的下部向上延伸到选择器的上部，以至少部分地支撑选择器的单个弯曲部分。选择器通道的单个弯曲部分具有直径小于0.25英寸的大致圆形的横截面形状。选择器通道的单个弯曲部分侧向延伸的距离至少为选择器通道直径的1.5倍。

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