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1. 发明授权

US09005513B2 Layered-modeling method for manufacturing three-dimensional object 有权
标题翻译：用于制造三维物体的分层建模方法
公开(公告)号：US09005513B2
公开(公告)日：2015-04-14
申请号：US13319622
申请日：2010-05-14
申请人： Satoshi Abe , Norio Yoshida , Yoshikazu Higashi , Isao Fuwa
发明人： Satoshi Abe , Norio Yoshida , Yoshikazu Higashi , Isao Fuwa
IPC分类号： B29C35/08 , B29C67/00 , B22F3/105
CPC分类号： B29C67/0077 , B22F3/1055 , B22F2003/1056 , B22F2999/00 , B23P15/00 , B29C64/153 , B29C64/20 , B29C67/0085 , B33Y30/00 , B33Y40/00 , B33Y50/02 , Y02P10/295 , B22F2201/00
摘要： An object of the present invention is to easily eliminate fumes inside a chamber, so as to improve a positional accuracy of irradiation with a light beam and a machining accuracy in a method for manufacturing a three-dimensional shaped object. A stacked-layers forming device 1 includes a powder layer forming unit 3, a light beam irradiating unit 4, a base 22 which is fixed and on which a powder layer 32 is formed, a lifting/lowering frame 34 which surrounds the circumference of the base 22 and is freely capable of being lifted and lowered, a cover frame 36 which has a window 36a allowing transmission of light beam in its top surface, and whose bottom surface is opened, and which is disposed on the lifting/lowering frame 34 to form a chamber C, and a gas tank 71 for supplying an ambient gas. The lifting/lowering frame 34 is lowered to reduce the volume of the chamber C, so as to discharge fumes generated inside the cover frame 36, which performs replacement with the ambient gas. Since the volume of the chamber C is reduced, it is possible to easily eliminate the fumes, which makes it possible to improve the positional accuracy of irradiation with the light beam L, and the machining accuracy.
摘要翻译：本发明的目的是容易地消除室内的烟雾，从而提高三维成形体的制造方法中的光束照射的位置精度和加工精度。堆叠层形成装置1包括粉末层形成单元3，光束照射单元4，固定有基底22并且形成有粉末层32的升降框架34，其围绕基座22并且能够自由地升降;盖框架36，其具有允许光束在其顶表面中传播并且其底表面打开的窗口36a，并且设置在升降框架34上形成室C和用于供应环境气体的气罐71。升降架34被降低以减小腔室C的体积，从而排出在与外界气体进行更换的盖框架36内产生的烟雾。由于室C的体积减小，因此可以容易地消除烟雾，从而可以提高光束L的照射位置精度和加工精度。

2. 发明授权

US08562897B2 Method of and apparatus for making a three-dimensional object 有权
标题翻译：制造三维物体的方法和装置
公开(公告)号：US08562897B2
公开(公告)日：2013-10-22
申请号：US13274847
申请日：2011-10-17
申请人： Satoshi Abe , Isao Fuwa , Norio Yoshida , Yoshikazu Higashi , Hirohiko Togeyama , Masataka Takenami , Takashi Shimizu , Shushi Uenaga
发明人： Satoshi Abe , Isao Fuwa , Norio Yoshida , Yoshikazu Higashi , Hirohiko Togeyama , Masataka Takenami , Takashi Shimizu , Shushi Uenaga
IPC分类号： B29C35/08
CPC分类号： B22F3/1055 , B22F2003/1057 , B22F2003/1059 , B29C64/153 , B33Y10/00 , B33Y30/00 , Y02P10/295
摘要： An apparatus for making a three-dimensional object includes a table, a powdery layer-former that forms a powdery layer on the table, and an optical beam-irradiator that irradiates an optical beam on a predetermined region of the powdery layer to sinter the predetermined region of the powdery layer. A chamber for accommodating the table and the powdery layer-former and a lid for opening and closing an opening defined in the chamber at a location immediately above an optical beam-irradiating range are provided. The three-dimensional object is taken out from the chamber through the opening upon completion of the sintering, and the optical beam-irradiator is disposed at a position deviated from immediately above the optical beam-irradiating range to obliquely irradiate the optical beam on the powdery layer.
摘要翻译：一种用于制造三维物体的装置包括：桌子，在桌子上形成粉末层的粉末层形成剂;以及光束照射器，其将光束照射在粉末层的预定区域上以烧结预定的粉末层的区域。提供了一种用于容纳桌子和粉末成层剂的室，以及用于在紧邻光束照射范围的位置处开启和关闭限定在室中的开口的盖。在完成烧结之后，三维物体通过开口从室中取出，并且光束照射器设置在偏离光束照射范围之上的位置，以将光束倾斜地照射在粉末状层。

3. 发明申请

US20110045120A1 RESIN INJECTION MOLD 有权
标题翻译：树脂注塑模具
公开(公告)号：US20110045120A1
公开(公告)日：2011-02-24
申请号：US12934463
申请日：2009-03-23
申请人： Yoshikazu Higashi , Satoshi Abe , Isao Fuwa , Masataka Takenami , Norio Yoshida
发明人： Yoshikazu Higashi , Satoshi Abe , Isao Fuwa , Masataka Takenami , Norio Yoshida
IPC分类号： B29C45/73
CPC分类号： B29C45/7312 , B22F5/007 , B22F2999/00 , B29C33/3814 , B29C33/565 , B29C45/7207 , B29C45/7306 , B29C2045/735 , B33Y30/00 , B33Y70/00 , B33Y80/00 , Y02P10/292 , Y02P10/295 , B22F3/1055 , B22F2207/17
摘要： Disclosed is a mold for resin injection molding that can realize rapid heating or cooling. A resin injection molding mold includes a cavity mold and a core mold and is produced on a base plate by metal photofabrication. The cavity mold is provided with a cavity warm water circuit for allowing warm water for heating to flow and a cavity cold water circuit for allowing cold water for cooling to flow. The core mold is also provided with a core warm water circuit and a core cold water circuit. The core mold includes an air blowing passage for feeding warm air or cold air into a resin molding part and a suction passage (36) for sucking a gas within the resin molding part. The resin molding part side of the air blowing passage and the suction passage is formed of a low-density shaping part that has a low metallic powder sintered density and is permeable to gas. Warm air or cold air can be blown through the low-density shaping part, whereby rapid heating or cooling of the resin injection molding mold can be realized.
摘要翻译：公开了一种能够实现快速加热或冷却的树脂注射成型用模具。树脂注射成型模具包括空腔模具和芯模，并且通过金属光加工在基板上制造。空腔模具设置有用于允许加热流动的温水的腔温水回路和用于允许冷水冷却流动的腔冷水回路。核心模具还设有核心温水回路和核心冷水回路。芯模包括用于将热空气或冷空气供给到树脂成型部的空气吹送通道和用于吸入树脂成型部内的气体的吸入通路（36）。空气吹送通道和吸入通道的树脂成型部分侧由具有低金属粉末烧结密度并且可透气的低密度成形部分形成。可以通过低密度成形部吹送温暖的空气或冷空气，由此可以实现树脂注射成型模的快速加热或冷却。

4. 发明申请

US20120251378A1 PROCESS FOR PRODUCING THREE-DIMENSIONALLY SHAPED OBJECT AND DEVICE FOR PRODUCING SAME 有权
标题翻译：用于生产三维成形物体的方法和用于生产其的装置
公开(公告)号：US20120251378A1
公开(公告)日：2012-10-04
申请号：US13503217
申请日：2010-10-20
申请人： Satoshi Abe , Norio Yoshida , Isao Fuwa , Yoshikazu Higashi
发明人： Satoshi Abe , Norio Yoshida , Isao Fuwa , Yoshikazu Higashi
IPC分类号： B22F3/105 , B29C67/24 , B29C35/08
CPC分类号： B29C67/0077 , B22F3/1055 , B22F2003/1056 , B22F2003/247 , B22F2999/00 , B23P15/00 , B29C64/153 , B33Y10/00 , B33Y30/00 , Y02P10/295 , B22F2201/10
摘要： There is provided a method for manufacturing a three-dimensional shaped object. The method of the present invention comprises the steps of: (i) forming a solidified layer by irradiating a predetermined portion of a powder layer with a light beam, thereby allowing sintering of the powder of the predetermined portion or melting and subsequent solidification thereof; and (ii) forming another solidified layer by newly forming a powder layer on the resulting solidified layer, and then irradiating another predetermined portion of the new powder layer with the light beam, the steps (i) and (ii) being repeatedly performed in a chamber; wherein a localized gas flow is provided in the chamber, and at least a part of a fume generated by the irradiation of the light beam is entrained by the localized gas flow.
摘要翻译：提供了一种用于制造三维成形物体的方法。本发明的方法包括以下步骤：（i）通过用光束照射粉末层的预定部分来形成固化层，从而允许烧结预定部分的粉末或熔化并随后固化; 和（ii）通过在所得固化层上新形成粉末层形成另一固化层，然后用光束照射新粉末层的另一预定部分，步骤（i）和（ii）在房间其中在所述室中提供局部气流，并且由所述光束的照射产生的烟雾的至少一部分被所述局部气流夹带。

5. 发明申请

US20100233012A1 MANUFACTURING EQUIPMENT AND MANUFACTURING METHOD FOR METAL POWDER SINTERED COMPONENT 审中-公开
标题翻译：金属粉末烧结组件的制造设备和制造方法
公开(公告)号：US20100233012A1
公开(公告)日：2010-09-16
申请号：US12739299
申请日：2008-10-23
申请人： Yoshikazu Higashi , Isao Fuwa , Satoshi Abe , Hirohiko Togeyama , Norio Yoshida , Takashi Shimizu
发明人： Yoshikazu Higashi , Isao Fuwa , Satoshi Abe , Hirohiko Togeyama , Norio Yoshida , Takashi Shimizu
IPC分类号： B22F7/04
摘要： Manufacturing equipment for a metal powder sintered component includes: a powder layer forming portion that supplies metal powder to form a powder layer; a light beam irradiator that irradiates a give point on the powder layer with light beams to sinter the powder layer and thus form a sintered layer; and a cutter that cuts a shaped object in which sintered layers are integrally stacked. The light beam irradiator has a scan head X shaft that moves a scan head in X direction parallel to a surface irradiated with light beams and a scan head Y shaft that moves the scan head in Y direction, so that the scan head moves in a direction parallel to the irradiated surface to perform irradiation with light beams. Since the scan head moves parallel to the irradiated surface, the irradiated area can be increased. Since the irradiation height can be small, the accuracy of light beam scanning can be enhanced.
摘要翻译：金属粉末烧结体的制造装置包括：粉末层形成部，其供给金属粉末而形成粉末层; 光束照射器，用光束照射粉末层上的赋予点，烧结粉末层，从而形成烧结层; 以及切割成形物体的切割器，烧结层整体堆叠在其中。光束照射器具有扫描头X轴，扫描头X平行于照射光束的X方向移动扫描头，扫描头Y轴沿Y方向移动扫描头，扫描头沿方向平行于被照射的表面进行光束照射。由于扫描头平行于照射的表面移动，所以可以增加照射区域。由于照射高度可以小，可以提高光束扫描的精度。

6. 发明申请

US20100006228A1 LAMINATION SHAPING APPARATUS 有权
标题翻译：层压成型装置
公开(公告)号：US20100006228A1
公开(公告)日：2010-01-14
申请号：US12375675
申请日：2008-05-30
申请人： Satoshi Abe , Yoshikazu Higashi , Norio Yoshida , Isao Fuwa
发明人： Satoshi Abe , Yoshikazu Higashi , Norio Yoshida , Isao Fuwa
IPC分类号： B32B37/00
CPC分类号： B29C64/20 , B22F2003/1056 , B22F2003/1059 , B22F2999/00 , B29C64/153 , B29C2793/009 , B33Y30/00 , Y02P10/295 , B22F3/1055 , B22F3/003
摘要： A lamination shaping apparatus has a powder layer preparing means and an optical unit which irradiates a light beam to an intended portion of a powder layer so as to sinter or melt for solidifying the portion into a cured layer. Preparation of the powder layer and curing of the cured layer are repeated to fabricate a three-dimensional object in which a plurality of the cured layers are laminated and integrated. The apparatus includes a fixed base carrying thereon the powder layer and the cured layer, an elevator frame surrounding a periphery of the fixed base, and driving means for driving the elevator frame to move vertically. The powder layer is formed within a space above the base and surrounded by an interior surface of the elevator fame such that the powder layer (cured layer) can be stacked on the base with the base being kept at a fixed position, thereby facilitating to fabricate a precisely shaped object.
摘要翻译：层压成型装置具有粉末层制备装置和光学单元，其将光束照射到粉末层的预期部分，以便烧结或熔化以将该部分固化成固化层。重复制备粉末层并固化固化层，以制造其中多个固化层被层压并整合的三维物体。该装置包括：承载有粉末层和固化层的固定基座，围绕固定基座的周边的升降架;以及用于驱动电梯架垂直移动的驱动装置。粉末层形成在基座上方的空间内并被升降机的内表面包围，使得粉末层（固化层）可以堆叠在基座上，基座保持在固定位置，从而有助于制造精确成形的物体。

7. 发明授权

US07258720B2 Metal powder composition for use in selective laser sintering 有权
标题翻译：用于选择性激光烧结的金属粉末组合物
公开(公告)号：US07258720B2
公开(公告)日：2007-08-21
申请号：US10780576
申请日：2004-02-19
申请人： Isao Fuwa , Norio Yoshida , Shushi Uenaga , Toshiharu Iwanaga , Yoshikazu Higashi , Hirohiko Togeyama , Satoshi Abe , Masataka Takenami , Takashi Shimizu
发明人： Isao Fuwa , Norio Yoshida , Shushi Uenaga , Toshiharu Iwanaga , Yoshikazu Higashi , Hirohiko Togeyama , Satoshi Abe , Masataka Takenami , Takashi Shimizu
IPC分类号： B22F1/00
CPC分类号： B22F1/0003 , B22F2998/00 , B22F2999/00 , B33Y30/00 , B33Y50/00 , B33Y70/00 , Y02P10/295 , B22F3/1055 , B22F1/0007 , B22F1/0048
摘要： A three-dimensional object of a desired shape is made by irradiating an optical beam on a metal powder layer to form a sintered layer and by laminating such sintered layer one above another. A metal powder composition for use in making such a three-dimensional object includes an iron-based powder material, a nickel and/or nickel alloy powder material, a copper and/or copper alloy powder material, and a graphite powder material. The graphite powder material acts to enhance the wettability during melting and to reduce microcracks during solidification.
摘要翻译：通过在金属粉末层上照射光束来形成所需形状的三维物体，以形成烧结层，并且通过将这样的烧结层层叠在另一个之上。用于制造这种三维物体的金属粉末组合物包括铁基粉末材料，镍和/或镍合金粉末材料，铜和/或铜合金粉末材料和石墨粉末材料。石墨粉末材料用于提高熔化过程中的润湿性，并减少凝固过程中的微裂纹。

8. 发明申请

US20060192322A1 Three dimensional structure producing device and producing method 有权
标题翻译：三维结构生产装置及其制造方法
公开(公告)号：US20060192322A1
公开(公告)日：2006-08-31
申请号：US10546454
申请日：2004-02-25
申请人： Satoshi Abe , Isao Fuwa , Norio Yoshida , Yoshikazu Higashi , Hirohiko Togeyama , Masataka Takenami , Takashi Shimizu , Shushi Uenaga
发明人： Satoshi Abe , Isao Fuwa , Norio Yoshida , Yoshikazu Higashi , Hirohiko Togeyama , Masataka Takenami , Takashi Shimizu , Shushi Uenaga
IPC分类号： B29C35/08 , B29C41/02
CPC分类号： B22F3/1055 , B22F2003/1057 , B22F2003/1059 , B29C64/153 , B33Y10/00 , B33Y30/00 , Y02P10/295
摘要： An apparatus for making a three-dimensional object includes a powdery layer-forming unit for forming a powdery layer on a table and an optical beam-irradiating unit for irradiating an optical beam on a predetermined region of the powdery layer to sinter the predetermined region. The optical beam-irradiating unit is disposed at a position spaced from immediately above an optical beam-irradiating range to obliquely irradiate the optical beam on the powdery layer. Because fumes generated by irradiating and heating the powdery layer with the optical beam rise towards a position immediately above them, the optical beam is irradiated from the position spaced from immediately above the optical beam-irradiating range, thereby reducing a cloud of the optical beam-irradiating unit that may be caused by the fumes.
摘要翻译：用于制造三维物体的设备包括：用于在桌子上形成粉末层的粉末层形成单元和用于在粉末层的预定区域上照射光束的光束照射单元以烧结预定区域。光束照射单元设置在与光束照射范围正上方隔开的位置上，以将光束倾斜地照射在粉末层上。由于通过用光束照射和加热粉末层而产生的烟雾朝向其上方的位置上升，所以从与光束照射范围的正上方隔开的位置照射光束，从而减少光束 - 可能由烟雾引起的照射单元。

9. 发明授权

US06657155B2 Method of and apparatus for making a three-dimensional object 有权
公开(公告)号：US06657155B2
公开(公告)日：2003-12-02
申请号：US09964626
申请日：2001-09-28
申请人： Satoshi Abe , Norio Yoshida , Yoshikazu Higashi , Hirohiko Togeyama , Isao Fuwa , Shushi Uenaga , Seizo Machida
发明人： Satoshi Abe , Norio Yoshida , Yoshikazu Higashi , Hirohiko Togeyama , Isao Fuwa , Shushi Uenaga , Seizo Machida
IPC分类号： B23K2636
CPC分类号： B22F3/1055 , B22F2003/1056 , B22F2003/247 , B22F2998/00 , B29C64/153 , B29K2995/0073 , Y02P10/295 , B22F2203/03
摘要： To make a three-dimensional object, an optical beam is first irradiated on a predetermined portion of a powder layer to form a sintered layer, which is then covered with a new powder layer. The optical beam is again irradiated on a predetermined portion of the new powder layer to form another sintered layer that has been united with the underlying sintered layer. These processes are repeatedly carried out to form a plurality of sintered layers united together, which have a size greater than that of a target shape of the three-dimensional object. A surface region of a shaped object formed by then is removed during the formation of the plurality of sintered layers.

10. 发明申请

US20140147328A1 METHOD FOR PRODUCING THREE-DIMENSIONAL SHAPED OBJECT 有权
标题翻译：生产三维形状对象的方法
公开(公告)号：US20140147328A1
公开(公告)日：2014-05-29
申请号：US14119224
申请日：2012-05-22
申请人： Satoshi Abe , Isamu Matsumoto , Masataka Takenami , Isao Fuwa , Yoshikazu Higashi , Yoshiyuki Uchinono , Norio Yoshida
发明人： Satoshi Abe , Isamu Matsumoto , Masataka Takenami , Isao Fuwa , Yoshikazu Higashi , Yoshiyuki Uchinono , Norio Yoshida
IPC分类号： B22F3/24 , B22F3/105
CPC分类号： B22F3/24 , B22F3/1055 , B22F2003/247 , B29C64/153 , B29C67/0077 , B29L2031/085 , B33Y10/00 , Y02P10/295 , Y02P70/523
摘要： A method for manufacturing a three-dimensional shaped object, comprising: (i) forming a powder layer on a base plate by a sliding movement of a squeegee blade, followed by forming a solidified layer by irradiating a predetermined portion of the powder layer with a light beam, thereby allowing sintering of the powder of the predetermined portion or melting and subsequent solidification thereof; and (ii) forming another solidified layer by newly forming a powder layer on the resulting solidified layer, and then irradiating another predetermined portion of the new powder layer with the light beam, steps (i) and (ii) being repeatedly performed, wherein machining is performed at least once on an outer surface of a shaped object precursor obtained during manufacturing, and after machining, at least one solidified layer is formed, and followed by upper face machining to remove a raised solidified portion generated at a peripheral edge of the solidified layer.
摘要翻译：一种三维成形体的制造方法，包括：（i）通过刮板的滑动运动在基板上形成粉末层，然后通过用粉末层的规定部分照射形成固化层光束，从而允许烧结预定部分的粉末或熔化并随后固化; 和（ii）通过在所得固化层上新形成粉末层形成另一固化层，然后用光束照射新粉末层的另一预定部分，重复执行步骤（i）和（ii），其中机械加工在制造过程中获得的成形体前体的外表面上至少进行一次，在机械加工后形成至少一个固化层，然后进行上表面加工，除去在固化后的周边部分产生的升高的凝固部分层。

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