公开(公告)号：US20170106446A1

公开(公告)日：2017-04-20

申请号：US15291483

申请日：2016-10-12

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO ,  Masaya ISHIDA ,  Toshimitsu HIRAI

IPC: B22F3/11 ,  B33Y10/00 ,  B23K26/144 ,  B22F3/10 ,  B22F3/105 ,  B23K26/342 ,  B29C67/00 ,  B33Y30/00

CPC classification number: B22F3/11 ,  B22F3/1021 ,  B22F3/1055 ,  B22F2003/1056 ,  B22F2003/1057 ,  B22F2998/10 ,  B22F2999/00 ,  B23K26/144 ,  B23K26/342 ,  B28B1/001 ,  B29C64/106 ,  B29C64/209 ,  B29C64/35 ,  B33Y10/00 ,  B33Y30/00 ,  Y02P10/295 ,  B22F1/007 ,  B22F2003/1058

Abstract: A method of manufacturing a three-dimensionally formed object includes: forming a layer using a flowable composition including constituent material particles of a three-dimensionally formed object and a flowable composition including support portion-forming particles for forming a support portion which supports the three-dimensionally formed object during the formation of the three-dimensionally formed object; and imparting energy to the constituent material particles and the support portion-forming particles, in which in the imparting of the energy, the energy is imparted such that a temperature of the constituent material particles and a temperature of the support portion-forming particles are equal to or higher than a sintering temperature of the constituent material particles and are lower than a sintering temperature of the support portion-forming particles.

公开(公告)号：US20160355694A1

公开(公告)日：2016-12-08

申请号：US15111784

申请日：2015-01-14

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO

IPC: C09D11/107 ,  B33Y10/00 ,  C09D5/00 ,  B33Y70/00 ,  B33Y80/00 ,  B29C67/00 ,  B33Y30/00

CPC classification number: C09D11/107 ,  B29C64/112 ,  B29C64/129 ,  B29C64/40 ,  B29K2105/0032 ,  B29K2995/0022 ,  B29K2995/0024 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00 ,  B33Y80/00 ,  C09D5/008

Abstract: In the method for manufacturing a three-dimensional structure of the invention, an ink for forming an entity portion is applied to a region where the three-dimensional structure is configured, and an ink for forming a sacrificial layer is applied to a region on a surface side of an outermost layer which is adjacent to a region to become the outermost. As the ink for forming a sacrificial layer, a first ink for forming a sacrificial layer and a second ink for forming a sacrificial layer are used. At the time of curing the ink for forming an entity portion, the viscoelasticity of the first ink is smaller than that of the ink for forming an entity portion, and at the time of curing the ink for forming an entity portion, the viscoelasticity of the second ink is greater than that of the ink for forming an entity portion.

Abstract translation: 在本发明的三维结构体的制造方法中，将构成实体部分的油墨施加到构成三维结构的区域，将形成牺牲层的油墨施加到 最外层的与形成最外层的区域相邻的表面侧。 作为用于形成牺牲层的油墨，使用用于形成牺牲层的第一油墨和用于形成牺牲层的第二油墨。 在固化用于形成实体部分的油墨时，第一油墨的粘弹性小于用于形成实体部分的油墨的粘弹性，并且在固化用于形成实体部分的油墨时，粘弹性 第二墨水大于用于形成实体部分的墨的墨。

公开(公告)号：US20150258706A1

公开(公告)日：2015-09-17

申请号：US14641611

申请日：2015-03-09

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO ,  Junichi GOTO

IPC: B28B1/00 ,  B29C67/00

CPC classification number: B29C67/0085 ,  B29C64/165 ,  B29C64/20 ,  B29K2105/251 ,  B33Y10/00 ,  B33Y30/00 ,  Y10T428/31511 ,  Y10T428/31551 ,  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 supply unit which supplies the three-dimensional formation compositions to the formation unit; a layer formation unit which forms the layers configured with the three-dimensional formation compositions on the formation unit; and a discharge unit which discharges a binding solution to the layer, in which the supply unit and the layer formation unit form an n+1 layer on the backside of the discharge unit in a movement direction of the discharge unit, with the operation of discharging the binding solution, while moving the discharge unit relatively to an n-th layer.

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; 向所述形成单元供给所述三维地层组合物的供给单元; 层形成单元，其在所述形成单元上形成由所述三维形成组合物构成的层; 以及放电单元，其向所述层排出粘合溶液，其中所述供给单元和所述层形成单元在所述排出单元的移动方向上在所述排出单元的背面形成n + 1层， 在将放电单元相对于第n层移动的同时，结合溶液。

公开(公告)号：US20150246483A1

公开(公告)日：2015-09-03

申请号：US14625595

申请日：2015-02-18

Applicant: SEIKO EPSON CORPORATION

Inventor： Junichi GOTO ,  Eiji OKAMOTO

IPC: B29C67/00

CPC classification number: B33Y30/00 ,  B29C64/165 ,  B33Y10/00 ,  Y10T428/24893

Abstract: A three-dimensional shaped object manufacturing device is adapted to produce a three-dimensional shaped object by laminating layers using a pasty composition containing granular substances. The three-dimensional shaped object manufacturing device includes a stage in which the composition is supplied and the layers are formed, a side surface supporting section arranged on a side surface of the stage, and an adhesion preventing part configured and arranged to prevent adhesion of the composition on a surface of the side surface supporting section. The stage is movable relative to the side surface supporting section in a lamination direction of the layers.

Abstract translation: 三维成形体制造装置适于通过使用含有粒状物质的糊状组合物层压层来制造三维成形体。 三维成形体的制造装置具备：供给组合物和形成层的阶段，设置在台的侧面的侧面支承部，以及防止粘着部， 组合物在侧表面支撑部分的表面上。 台阶可以相对于侧面支撑部分在层的层叠方向上移动。

公开(公告)号：US20150140295A1

公开(公告)日：2015-05-21

申请号：US14533459

申请日：2014-11-05

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO

IPC: B29C67/00

CPC classification number: B29C67/0081 ,  B29C64/165 ,  B29C64/386 ,  B29C2795/005 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  Y10T428/24893

Abstract: A method of manufacturing a three-dimensional shaped object is a method of manufacturing a three-dimensional shaped object with which unit layers are laminated. The method is characterized by including a layer formation step for using a three-dimensional shaping composition that contains a three-dimensional shaping powder composed of a plurality of particles to form a layer having a predetermined thickness A (μm), and an ink discharge step for discharging an ink that contains a binding agent onto the layer and forming the unit layers. The ink discharge step includes discharging two or more different kinds of the ink onto a discharge unit region which is narrower than A2 (μm2) on a surface of the layer where the ink is discharged.

Abstract translation: 三维成形体的制造方法是层叠有单位层的三维成形体的制造方法。 该方法的特征在于包括使用包含由多个颗粒组成的三维成形粉末以形成具有预定厚度A（μm）的层的三维成形组合物的层形成步骤，以及油墨排出步骤 用于将含有粘合剂的油墨排放到该层上并形成单元层。 排墨步骤包括将两种或更多种不同种类的油墨排出到在排出墨层的表面上比A2（μm2）窄的放电单元区域上。

公开(公告)号：US20230111896A1

公开(公告)日：2023-04-13

申请号：US18061727

申请日：2022-12-05

Applicant: SEIKO EPSON CORPORATION

Inventor： Masaya ISHIDA ,  Eiji OKAMOTO ,  Hiroshi WADA ,  Toshimitsu HIRAI

IPC: B22F3/10 ,  B29C64/165 ,  B29C64/112 ,  B29C64/40 ,  B33Y80/00 ,  B22F10/20 ,  B22F10/16 ,  B22F10/43 ,  B33Y10/00 ,  B33Y50/02 ,  B23K26/342 ,  B23K26/70 ,  B28B1/00

Abstract: A three-dimensional shaped article production method for producing a three-dimensional shaped article by stacking layers to form a stacked body includes a first layer formation step of forming a first layer on a support by supplying a first composition containing first particles and a binder, a second layer formation step of forming a second layer composed of one layer or a plurality of layers on the first layer by supplying a second composition containing second particles and a binder, and a separation step of separating the second layer from the support through the first layer, wherein after the separation step, a sintering step of sintering the second layer is performed.

公开(公告)号：US20230001636A1

公开(公告)日：2023-01-05

申请号：US17931033

申请日：2022-09-09

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO ,  Akihiko TSUNOYA

IPC: B29C64/165 ,  B29C64/245 ,  B29C64/236 ,  B29C64/209 ,  B29C64/264 ,  B29C64/255 ,  B29C64/241

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 shaping table is moved in a direction separating from the unit after discharging the liquid is ended and before a 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 from the head, and the shaping table is moved in the direction separating from the unit after discharging the liquid to the shaping region is ended and before the first layer forming portion faces the shaping region.

公开(公告)号：US20190351576A1

公开(公告)日：2019-11-21

申请号：US15999106

申请日：2017-01-31

Applicant: Seiko Epson Corporation

Inventor： Masaya ISHIDA ,  Toshimitsu HIRAI ,  Eiji OKAMOTO

IPC: B28B1/30 ,  C04B37/02 ,  C04B35/04 ,  C04B35/14

Abstract: A ceramic component is provided that is suitable to be placed in high temperature environment. The component includes a first member that is formed of a first material, and a ceramic layer that is bonded to a surface of the first member, which is a side exposed to the high temperature environment and that is formed of a ceramic material having a higher heat resistance than that of the first member. A bonding portion between the first member and the ceramic layer is formed of a composite material having the first material and the ceramic material, and a gradient composition in which an abundance ratio of the first material gradually decreases and an abundance ratio of the ceramic material gradually increases in a direction from the first member to the ceramic layer.

公开(公告)号：US20190091924A1

公开(公告)日：2019-03-28

申请号：US16139504

申请日：2018-09-24

Applicant: Seiko Epson Corporation

Inventor： Akihiko TSUNOYA ,  Eiji OKAMOTO

IPC: B29C64/165 ,  B29C64/295 ,  B29C64/393 ,  B29C64/209

Abstract: Provided is an apparatus for producing a three-dimensional shaped article in which the three-dimensional shaped article is produced by stacking layers, the apparatus including: an ejecting section capable of ejecting a flowable material that contains a powder, a solvent, and a binder which constitute the three-dimensional shaped article, based on data; a heating section for heating the flowable material ejected from the ejecting section; and a controlling section for controlling the ejecting section and the heating section, in which the controlling section divides data of the layer for one layer of the three-dimensional shaped article, out of the data, into a plurality of divided pieces of data, and alternately repeats ejection of the flowable material from the ejecting section and heating by the heating section, based on the divided pieces of data, to form the layer for one layer of the three-dimensional shaped article.

公开(公告)号：US20190077075A1

公开(公告)日：2019-03-14

申请号：US16127752

申请日：2018-09-11

Applicant: Seiko Epson Corporation

Inventor： Akihiko TSUNOYA ,  Eiji OKAMOTO

IPC: B29C64/165 ,  B29C64/295 ,  B29C64/264 ,  B29C71/04 ,  B29C71/02

Abstract: Provided is a method for producing a three-dimensional shaped article in which the three-dimensional shaped article is produced by stacking a plurality of layers, and the method includes a layer formation step of forming layers by using a composition that contains a powder, a solvent, and a binder which constitute the three-dimensional shaped article, a solvent removal step of removing the solvent contained in the layers, a thermal treatment step of applying heat at a temperature equal to or higher than a glass transition temperature of the binder to the layers obtained by performing the layer formation step and the solvent removal step, and a heating step of carrying out at least one of degreasing and sintering with respect to a stack of the three-dimensional shaped article that has been thermally treated in the thermal treatment step.