公开(公告)号：US20150258733A1

公开(公告)日：2015-09-17

申请号：US14641558

申请日：2015-03-09

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO ,  Junichi GOTO

IPC: B29C67/00

CPC classification number: B33Y80/00 ,  B29C64/165 ,  B33Y10/00 ,  B33Y30/00 ,  Y10T428/31511 ,  Y10T428/31663

Abstract: Provided is a three-dimensional structure manufacturing apparatus which manufactures a three-dimensional structure by laminating layers formed using three-dimensional formation compositions containing three-dimensional formation powders, the apparatus including: a formation unit in which the three-dimensional structure is formed; a first supply unit and a second supply unit which supply the three-dimensional formation compositions to the formation unit; a first squeegee and a second squeegee which form the layers configured with the three-dimensional formation compositions on the formation unit; and a discharge unit which discharges a binding solution for binding the three-dimensional formation compositions to the layer, in which the first supply unit, the first squeegee, the discharge unit, the second squeegee, and the second supply unit are arranged in this order, along a movement direction of the discharge unit.

Abstract translation: 本发明提供一种三维结构制造装置，其通过层叠使用含有三维形成粉末的三维形成组合物形成的层来制造三维结构，该装置包括：形成三维结构的形成单元; 第一供应单元和第二供应单元，其将三维地层组合物供应到地层单元; 第一刮板和第二刮板，其在形成单元上形成由三维地层组合物构成的层; 以及排出单元，其排出用于将三维成分组合物粘合到其上的层，其中第一供给单元，第一刮板，排出单元，第二刮板和第二供应单元以该顺序排列 沿着排出单元的移动方向。

公开(公告)号：US20140167325A1

公开(公告)日：2014-06-19

申请号：US14187606

申请日：2014-02-24

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO ,  Toshimitsu HIRAI ,  Kohei ISHIDA

IPC: B29C67/00

CPC classification number: B29C67/0059 ,  B29C35/08 ,  B29C64/112 ,  B29C64/20 ,  B29L2009/00 ,  B33Y10/00 ,  B33Y30/00

Abstract: A molding method includes drawing cross-section elements of a three-dimensional object as a molding target on a drawing surface of a drawing stand with a liquid whose curing is precipitated by receiving activation energy as cross-section patterns; applying the activation energy to the liquid configuring the cross-section patterns in a state in which the cross-section patterns is pinched between the drawing stand and a molding stand; and detaching the cross-section patterns after being applied with the activation energy from the drawing stand and transferring the cross-section patterns to the molding stand side, wherein the drawing surface has a liquid repellent area that is an area representing liquid repellency for the liquid and a lyophilic area that is independently formed in an island shape within the liquid repellent area and is an area representing lyophillicity stronger than that of the liquid repellent area for the liquid.

Abstract translation: 成型方法包括：在具有通过接收活化能作为横截面图案而固化的液体的拉伸支架的拉伸表面上将作为模制目标的三维物体的横截面元素拉伸; 将活化能施加到构成横截面图案的液体中，其中横截面图案被夹在拉伸支架和模制支架之间; 并且在从所述拉伸支架施加所述活化能并将所述横截面图案转移到所述成型台侧之后分离所述横截面图案，其中所述拉伸表面具有作为所述液体排斥性的区域的疏液区域 以及在疏液区域内独立地形成为岛状的亲液性区域，并且表示比液体的防液区域的冻干性更强的区域。

公开(公告)号：US20130217823A1

公开(公告)日：2013-08-22

申请号：US13849786

申请日：2013-03-25

Applicant: Seiko Epson Corporation

Inventor： Eiji OKAMOTO ,  Toshimitsu HIRAI ,  Kohei ISHIDA

IPC: C08L29/04

CPC classification number: C08L29/04 ,  B29C64/165 ,  B33Y10/00 ,  B33Y70/00 ,  C08L83/04

Abstract: A shaping slurry that forms a shaped product with a granule includes: a water-based solvent; a hydrophobic granule that forms the shaped product; and an amphiphatic solid polymer that forms the shaped product, and is dissolved in the water-based solvent.

Abstract translation: 形成具有颗粒的成形产品的成型浆料包括：水性溶剂; 疏水性颗粒形成成形品; 和形成成型体的二
脂族固体聚合物，并溶解在水性溶剂中。

公开(公告)号：US20240208149A1

公开(公告)日：2024-06-27

申请号：US18390069

申请日：2023-12-20

Applicant: SEIKO EPSON CORPORATION

Inventor： Satoshi YAMAZAKI ,  Eiji OKAMOTO

IPC: B29C64/386

CPC classification number: B29C64/386 ,  B33Y10/00

Abstract: Provided is a manufacturing method of a three-dimensional object for manufacturing the three-dimensional object by extruding a modeling material from an extruding unit toward a stage and depositing layers, the manufacturing method including: acquiring designation information including at least one of information for designating a center-of-gravity position of the three-dimensional object and information for designating a weight of the three-dimensional object; generating model data including information on a path of the extruding unit with respect to the stage and information on an extruding amount of the modeling material in the path based on the designation information; and controlling the extruding unit based on the model data and fabricating the three-dimensional object.

公开(公告)号：US20220274342A1

公开(公告)日：2022-09-01

申请号：US17652313

申请日：2022-02-24

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO ,  Akihiko TSUNOYA

IPC: B29C64/393 ,  B29C64/118 ,  B29C64/209 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y70/10

Abstract: A method for manufacturing a three-dimensional shaped object is a method for manufacturing a three-dimensional shaped object by laminating a shaping layer. The method includes a selection step of selecting a fiber material corresponding to a thickness of the shaping layer from a plurality of types of fiber materials having different fiber diameters, and a shaping step of forming the shaping layer by discharging a shaping material that includes the fiber material selected in the selection step from a nozzle opening.

公开(公告)号：US20210213533A1

公开(公告)日：2021-07-15

申请号：US16498455

申请日：2018-03-27

Applicant: Seiko Epson Corporation

Inventor： Takeshi MIYASHITA ,  Eiji OKAMOTO ,  Akihiko TSUNOYA ,  Naoko SHIMA

IPC: B22F10/28 ,  C09D11/037 ,  C09D11/322 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/153 ,  B28B1/00

Abstract: A method for producing a three-dimensional shaped article by stacking a plurality of layers is provided, and is characterized in that a series of steps including a layer forming step of forming the layer using a composition containing a plurality of particles, and a joining step of joining the particles contained in the layer to one another by irradiating the layer with a laser beam is repeatedly performed, an average particle diameter of the particles is represented by D50 and a thickness of the layer formed in the layer forming step is represented by Ds, a relation of Ds/D50

公开(公告)号：US20210001558A1

公开(公告)日：2021-01-07

申请号：US16918640

申请日：2020-07-01

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO ,  Akihiko TSUNOYA

IPC: B29C64/393 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/236 ,  B29C64/218

Abstract: In a three-dimensional shaped object manufacturing device, when a unit is moved in a forward direction, powder is supplied from a first supply portion, a powder layer is formed by a first layer forming portion, a liquid is discharged to a shaping region from a head, and a second layer forming portion is moved in a direction separating from a shaping table before the second layer forming portion faces the shaping region, and when the unit is moved in a backward direction, the powder is supplied from a second supply portion, the powder layer is formed by the second layer forming portion, the liquid is discharged to the shaping region P from the head, and a first layer forming portion is moved in a direction separating from the shaping table before the first layer forming portion faces the shaping region.

公开(公告)号：US20190248077A1

公开(公告)日：2019-08-15

申请号：US16275410

申请日：2019-02-14

Applicant: Seiko Epson Corporation

Inventor： Akihiko TSUNOYA ,  Eiji OKAMOTO

IPC: B29C64/393 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/209 ,  B28B1/00 ,  B28B17/00 ,  B22F3/00

CPC classification number: B29C64/393 ,  B22F3/008 ,  B28B1/001 ,  B28B17/0081 ,  B29C64/209 ,  B33Y30/00 ,  B33Y50/02

Abstract: A three-dimensional modeling apparatus includes a plurality of ejection sections that eject shaping material on the basis of shaping data, a detection section detecting an ejection state of the shaping material from the ejection section, a maintenance section that performs maintenance of the ejection section, and a control section that controls the ejection section, the detection section, and the maintenance section, in which, when the detection section detects an ejection abnormality of the shaping material in any of the ejection sections, the control section causes the maintenance section to perform the maintenance of the ejection section in which the ejection abnormality is detected, regenerates the shaping data, and causes the ejection section in which the ejection abnormality is not detected to eject the shaping material at a position where the shaping material is to be ejected from the ejection section in which the ejection abnormality is detected.

公开(公告)号：US20190160738A1

公开(公告)日：2019-05-30

申请号：US16204112

申请日：2018-11-29

Applicant: Seiko Epson Corporation

Inventor： Eiji OKAMOTO ,  Akihiko TSUNOYA

IPC: B29C64/165 ,  B29C64/153 ,  B29C64/209

Abstract: Provided is a method which includes a first layer formation step of forming a first layer by using a first composition that contains a constituent material powder, a first powder, and a binder of a three-dimensional shaped article; a second layer formation step of forming a second layer by using a second composition that contains a second powder and a binder; a degreasing step of a stack containing the first layer and the second layer; and a sintering step of the stack, a decomposition point of the first powder is higher than decomposition points of the binder of the first layer and the binder of the second layer, a decomposition point of the second powder is higher than the decomposition point of the first powder, and a sintering temperature of the constituent material powder is higher than the decomposition point of the second powder.

公开(公告)号：US20180243826A1

公开(公告)日：2018-08-30

申请号：US15906499

申请日：2018-02-27

Applicant: Seiko Epson Corporation

Inventor： Eiji OKAMOTO ,  Hiroshi WADA ,  Akihiko TSUNOYA ,  Masaya ISHIDA

IPC: B22F3/00 ,  B28B1/00 ,  B33Y10/00 ,  B33Y70/00

CPC classification number: B22F3/008 ,  B22F1/0059 ,  B22F2301/35 ,  B22F2304/10 ,  B28B1/001 ,  B29C64/106 ,  B33Y10/00 ,  B33Y70/00 ,  C04B35/111 ,  C04B35/6263 ,  C04B35/6264 ,  C04B35/63424 ,  C04B35/6346 ,  C04B2235/6026 ,  C04B2235/663 ,  C08L33/08 ,  C08L67/00 ,  C08K3/08 ,  C08K3/22

Abstract: A three-dimensional modeled-object manufacturing composition used for forming a layer of a three-dimensional modeled-object in which a plurality of the layers is laminated, using a discharge method, the composition includes: a plurality of particles; a solvent dispersing the particles; and a binder having a function of temporarily binding the particles in a state where the solvent is removed. In the composition, a viscosity η1 at a shear rate of 10 s−1 at 25° C. is 6,000 mPa·s or higher, a viscosity η2 at the shear rate of 1,000 s−1 at 25° C. is 5,000 mPa·s or lower, and when a binder removal treatment is carried out by heating the composition at 400° C. for five hours in nitrogen gas, a residual carbon ratio is 0.04 mass % to 0.3 mass %.