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    • 4. 发明授权
    • Apparatus and method for dispensing build material to make a
three-dimensional article
    • 用于分配构建材料以制造三维制品的装置和方法
    • US5717599A
    • 1998-02-10
    • US326015
    • 1994-10-19
    • Herbert E. MenhennettJon N. LeonardJohn R. LarsenRobert B. BrownManual M. FerreiraWilliam B. Barlage, IIICharles F. Kirschman
    • Herbert E. MenhennettJon N. LeonardJohn R. LarsenRobert B. BrownManual M. FerreiraWilliam B. Barlage, IIICharles F. Kirschman
    • B29C67/00G06F19/00
    • B29C67/0059Y10T156/1798
    • A three-dimensional article making apparatus includes a build material dispenser positioned adjacent a platform for ejecting a plurality of droplets of build material; and dispenser positioners for relatively positioning the dispenser in five degrees of freedom with respect to the platform. Accordingly, the dispenser may be rotated and flipped to permit construction of a cantilevered portion of an article without requiring support material. The dispenser positioners include a Z-direction positioner for positioning the dispenser vertically relative to the platform, an X-Y positioner for positioning the dispenser in an X-Y planar direction relative to the platform, a flip angle positioner for rotatably positioning the dispenser relative to a generally horizontal axis, and a phi angle positioner for rotatably positioning the dispenser relative to a generally vertical axis. A processor is operatively connected to the dispenser and the dispenser positioners for advancing the dispenser along a predetermined path of travel while operating or firing the dispenser to construct the three-dimensional article in successive layers or portions based upon the article defining data. Method aspects of the invention are also disclosed.
    • 三维制品设备包括邻近平台定位的构建材料分配器,用于喷射多个构建材料液滴; 以及分配器定位器,用于将分配器相对于平台相对地定位在五个自由度。 因此,分配器可以旋转和翻转以允许在不需要支撑材料的情况下构造制品的悬臂部分。 分配器定位器包括用于相对于平台垂直定位分配器的Z方向定位器,用于将分配器相对于平台相对于XY平面方向定位的XY定位器,用于相对于大致水平面可旋转地定位分配器的翻转定位器 以及用于相对于大致垂直的轴线可旋转地定位分配器的phi角度定位器。 处理器可操作地连接到分配器和分配器定位器,用于沿着预定的行进路径推进分配器,同时操作或点燃分配器,以基于定义数据的物品构建连续层或部分的三维制品。 还公开了本发明的方法方面。
    • 5. 发明授权
    • Apparatus and method for making three-dimensional articles using bursts
of droplets
    • 使用液滴爆裂制造三维制品的装置和方法
    • US5555176A
    • 1996-09-10
    • US325889
    • 1994-10-19
    • Herbert E. MenhennettRobert B. Brown
    • Herbert E. MenhennettRobert B. Brown
    • B29C67/00G06F19/00
    • B29C67/0059B29C67/0092G05B2219/49015
    • An apparatus includes a processor for controlling a build material dispenser and a dispenser positioner to construct a three-dimensional article in successive layers based upon article defining data, and wherein the processor operates the dispenser to dispense a series of bursts of build material at a series of respective target positions as the dispenser is advanced along a predetermined path of travel. Each burst is defined by a plurality of droplets dispensed in relatively rapid succession so that the build material thereof combines at a respective target position. The build material dispenser is preferably a jet including a piezoelectric actuator for ejecting a droplet of build material responsive to a corresponding firing signal. Accordingly, the processor generates a predetermined number of firing signals for the piezoelectric actuator corresponding to a desired number of droplets in each burst. Method aspects of the invention are also disclosed.
    • 一种装置包括用于控制构建材料分配器的处理器和分配器定位器,以基于定义数据的物品在连续的层中构造三维制品,并且其中处理器操作分配器以分配系列的一系列构建材料 当分配器沿着预定的行进路径前进时,各个目标位置。 每个突发由相对快速连续分配的多个液滴限定,使得其构建材料在相应的目标位置组合。 构建材料分配器优选地是包括用于响应于相应的点火信号喷射构建材料的液滴的压电致动器的射流。 因此,处理器在每个突发中产生对应于期望数量的液滴的压电致动器的预定数量的点火信号。 还公开了本发明的方法方面。
    • 7. 发明授权
    • Apparatus for selectable font printing
    • 用于可选字体打印的设备
    • US4050563A
    • 1977-09-27
    • US629020
    • 1975-11-05
    • Herbert E. Menhennett
    • Herbert E. Menhennett
    • B41J19/32B41J2/505B41J2/51B41J3/30G06K15/10B41J3/04
    • B41J2/5056B41J3/30
    • Apparatus for use in a dot-matrix type impact printer for printing each line of characters and/or graphic data in a selective one of a plurality of character fonts and/or formats. In one preferred embodiment, a manual selection is made corresponding to either a normal or compressed spacing between adjacent dot columns by selection of a registration array from a group of such arrays. Dual-channel reading means cooperate with the registration arrays for determining the position of a print head as it moves across a print line and for enabling a plurality of print wires to be selectively impacted against the paper document whenever the print head is in proper registration as determined by the selected array. Spacing between registration slits of each array is uniform but is different as between arrays. The selected array may be changed either manually or remotely. Upon completion of the printing of a line, control logic means returns the printer to a "selected" format. Double width characters may be printed utilizing any of the arrays. In an alternative embodiment, a horizontal format may be utilized to permit printing in only selected regions or columns.
    • 用于点阵式冲击打印机中的装置,用于以多种字符和/或格式的选择性字符打印每行字符和/或图形数据。 在一个优选实施例中,通过从一组这样的阵列中选择注册阵列,对相应点列之间的正常或压缩间隔进行手动选择。 双通道读取装置与注册阵列配合,用于确定当打印头在打印线上移动时打印头的位置,并且每当打印头正确注册时,使多个打印线能够选择性地撞击纸张文档 由所选阵列确定。 每个阵列的配准狭缝之间的间距是均匀的,但是在阵列之间是不同的。 所选阵列可以手动或远程更改。 在完成打印行时,控制逻辑装置将打印机返回到“选择”格式。 可以使用任何阵列打印双宽度字符。 在替代实施例中,可以使用水平格式来允许仅在所选区域或列中进行打印。
    • 9. 发明授权
    • Process of and apparatus for making a three-dimensional article
    • 制作三维制品的方法和装置
    • US5700406A
    • 1997-12-23
    • US639223
    • 1996-04-26
    • Herbert E. MenhennettWilliam Berdell Barlage, IIIMichael T. Nowak
    • Herbert E. MenhennettWilliam Berdell Barlage, IIIMichael T. Nowak
    • B29C33/38B29C41/36B29C67/00B29C41/02B29C41/52
    • B29C67/0059B29C33/38B29C33/3842B29C41/36
    • An apparatus for making a three-dimensional article based upon article defining data may be used to make a mold for the article and molding the article from the mold. Alternately, the apparatus may be used to make articles having filled or solid portions. The apparatus preferably includes a base, a processor for defining a mold skin for producing a mold for the three-dimensional article, and a build material dispenser for dispensing build material responsive to the processor to construct the mold skin extending outwardly from the base and defining at least one cavity. Solidifiable fill material is introduced into the cavity to form solid mold portions. The solid mold portions may be separated from the mold skin, and injection molding, for example, used to mold the three-dimensional article. The base preferably includes a thin plastic layer which is penetrable to permit introduction of the solidifiable fill material into the cavity.
    • 用于制造基于定义数据的物品的三维制品的装置可以用于制造用于制品的模具并且从模具模制制品。 或者,该装置可以用于制造具有填充或固体部分的制品。 该设备优选地包括基座,用于限定用于制造用于三维制品的模具的模具外壳的处理器,以及响应于处理器分配构建材料的构建材料分配器,用于构建从基部向外延伸的模具外皮,并且限定 至少一个空腔。 将可固化的填充材料引入空腔中以形成固体模具部分。 实心模具部分可以与模具表皮分离,并且例如注塑成型用于模制三维制品。 基部优选地包括薄塑料层,其可穿透以允许将可固化填充材料引入空腔中。