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1. 发明授权

US5784279A Apparatus for making three-dimensional articles including moving build material reservoir and associated method 失效
标题翻译：用于制造三维制品的装置，包括移动建筑材料储层和相关方法
公开(公告)号：US5784279A
公开(公告)日：1998-07-21
申请号：US536670
申请日：1995-09-29
申请人： William Berdell Barlage, III , Manuel Michael Ferreira
发明人： William Berdell Barlage, III , Manuel Michael Ferreira
IPC分类号： B29C67/00 , B41J2/175 , G06F19/00
CPC分类号： B41J2/17593 , B29C67/0059 , B29C67/0092
摘要： A three-dimensional article making apparatus includes a first positioner for positioning a build material jetting head along a first direction, a second positioner for positioning the first positioner along a second direction so that the jetting head is effectively positionable along the second direction as well, and a build material reservoir being mounted on the first positioner so that a flexible connecting tube need only flex to accommodate positioning of jetting head along the first direction but not along the second direction. The jetting head may be a piezoelectric jet which operates by forming a negative meniscus at an orifice of jet between droplets. Accordingly, the build material reservoir may be mounted vertically relative to the piezoelectric jet to form the negative meniscus by negative head pressure. The apparatus preferably includes a solid build material supply mounted on an apparatus frame for storing build material in solid form. The first and second positioners may be used for selectively positioning the build material reservoir adjacent the solid build material supply to replenish build material within the build material reservoir. In addition, a build material level sensor may be provided for initiating replenishment of the build material reservoir responsive to a low level of build material. Related methods are also disclosed.
摘要翻译：三维制品设备包括用于沿第一方向定位构建材料喷射头的第一定位器，用于沿第二方向定位第一定位器的第二定位器，使得喷射头也可沿第二方向有效定位，并且建筑材料储存器安装在第一定位器上，使得柔性连接管仅需要弯曲以适应喷射头沿着第一方向的定位，但不沿着第二方向。喷射头可以是压电射流，其通过在液滴之间的射流孔处形成负弯液面来操作。因此，构建材料储存器可以相对于压电射流竖直安装以通过负头压力形成负弯液面。该装置优选地包括安装在装置框架上用于存储固体形式的建筑材料的固体建筑材料供应。第一和第二定位器可以用于选择性地将建筑材料储存器邻近固体构建材料供应物定位以补充构建材料储存器内的构建材料。此外，可以提供构建材料水平传感器，用于响应于低水平的构建材料开始补充构建材料储存器。还公开了相关方法。

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