JP6611151B1 - 積層造形装置 - Google Patents
積層造形装置 Download PDFInfo
- Publication number
- JP6611151B1 JP6611151B1 JP2019120638A JP2019120638A JP6611151B1 JP 6611151 B1 JP6611151 B1 JP 6611151B1 JP 2019120638 A JP2019120638 A JP 2019120638A JP 2019120638 A JP2019120638 A JP 2019120638A JP 6611151 B1 JP6611151 B1 JP 6611151B1
- Authority
- JP
- Japan
- Prior art keywords
- inert gas
- chamber
- oxygen concentration
- additive manufacturing
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000000654 additive Substances 0.000 title claims abstract description 27
- 230000000996 additive effect Effects 0.000 title claims abstract description 27
- 239000011261 inert gas Substances 0.000 claims abstract description 111
- 239000003517 fume Substances 0.000 claims abstract description 95
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 91
- 239000001301 oxygen Substances 0.000 claims abstract description 91
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 91
- 239000007789 gas Substances 0.000 claims abstract description 45
- 239000000428 dust Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 33
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 238000010894 electron beam technology Methods 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000003750 conditioning effect Effects 0.000 abstract description 3
- 239000012717 electrostatic precipitator Substances 0.000 abstract description 2
- 239000002253 acid Substances 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 10
- 239000003570 air Substances 0.000 description 7
- 239000007769 metal material Substances 0.000 description 7
- 230000002265 prevention Effects 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 229910001240 Maraging steel Inorganic materials 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/147—Processes of additive manufacturing using only solid materials using sheet material, e.g. laminated object manufacturing [LOM] or laminating sheet material precut to local cross sections of the 3D object
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/70—Recycling
- B22F10/77—Recycling of gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/264—Arrangements for irradiation
- B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/364—Conditioning of environment
- B29C64/371—Conditioning of environment using an environment other than air, e.g. inert gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Automation & Control Theory (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
6 不活性ガス供給装置
7 ヒュームコレクタ
8 酸素濃度調整装置
11 チャンバ
13 酸素濃度計
14 第1の供給口
15 第2の供給口
16 排出口
18 酸素含有気体源
23 材料層
25 固化層
71 吸込口
73 荷電部
75 集塵部
77 返送口
81 第1の流量制御弁
82 第2の流量制御弁
83 継手
733 荷電極
L レーザ光
R 造形領域
Claims (9)
- 造形領域を覆うチャンバと、
前記造形領域に形成された材料層にレーザ光または電子ビームを照射して固化層を形成する照射装置と、
前記チャンバへ不活性ガスを供給する少なくとも1つの供給口と、
前記チャンバから前記不活性ガスを排出する少なくとも1つの排出口と、
前記供給口と接続され前記チャンバに前記不活性ガスを供給する不活性ガス供給装置と、
前記排出口と接続され前記チャンバから排出された前記不活性ガスが供給される吸込口と、前記吸込口から送られた前記不活性ガスに含まれるヒュームをプラスまたはマイナスに荷電させる荷電極を有する荷電部と、荷電させた前記ヒュームを捕集する集塵部と、前記供給口と接続され前記ヒュームが除去された前記不活性ガスを前記チャンバに返送する返送口と、を含むヒュームコレクタと、
前記排出口と前記荷電部の間に接続され、前記排出口から排出される前記不活性ガスに含まれる酸素濃度よりも高い酸素濃度を有する調整ガスを前記ヒュームコレクタに供給する酸素濃度調整装置と、を備える、積層造形装置。 - 前記不活性ガスは、窒素である、請求項1に記載の積層造形装置。
- 前記調整ガスは、前記不活性ガスと酸素を含む酸素含有気体との混合ガスである、請求項1または請求項2に記載の積層造形装置。
- 前記酸素含有気体は、空気である、請求項3に記載の積層造形装置。
- 前記酸素濃度調整装置は、
前記不活性ガス供給装置と接続された第1の流量制御弁と、
前記酸素含有気体を供給する酸素含有気体源と接続された第2の流量制御弁と、
前記第1の流量制御弁、前記第2の流量制御弁および前記ヒュームコレクタに接続され、前記不活性ガスおよび前記酸素含有気体を混合して生成した前記調整ガスを前記ヒュームコレクタに供給する継手と、を含む、請求項3または請求項4のいずれか1項に記載の積層造形装置。 - 前記調整ガスの酸素濃度は、前記ヒュームが着火する限界酸素濃度よりも低い、請求項1から請求項5のいずれか1項に記載の積層造形装置。
- 前記ヒュームコレクタと接続される酸素濃度計をさらに備える、請求項1から請求項6のいずれか1項に記載の積層造形装置。
- 前記酸素濃度計は前記チャンバとも接続される、請求項7に記載の積層造形装置。
- 前記酸素濃度計で検出された酸素濃度が所定の閾値以上であるとき、前記荷電極への電圧印加を停止させる、請求項7または請求項8の積層造形装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019120638A JP6611151B1 (ja) | 2019-06-28 | 2019-06-28 | 積層造形装置 |
CN202010175834.1A CN112139493B (zh) | 2019-06-28 | 2020-03-13 | 层叠造型装置 |
TW109110155A TWI714484B (zh) | 2019-06-28 | 2020-03-26 | 層疊造型裝置 |
DE102020109334.9A DE102020109334A1 (de) | 2019-06-28 | 2020-04-03 | Laminierungsformvorrichtung |
US16/848,816 US11338506B2 (en) | 2019-06-28 | 2020-04-14 | Lamination molding apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019120638A JP6611151B1 (ja) | 2019-06-28 | 2019-06-28 | 積層造形装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6611151B1 true JP6611151B1 (ja) | 2019-11-27 |
JP2021006650A JP2021006650A (ja) | 2021-01-21 |
Family
ID=68692014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019120638A Active JP6611151B1 (ja) | 2019-06-28 | 2019-06-28 | 積層造形装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11338506B2 (ja) |
JP (1) | JP6611151B1 (ja) |
CN (1) | CN112139493B (ja) |
DE (1) | DE102020109334A1 (ja) |
TW (1) | TWI714484B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102388569B1 (ko) * | 2020-12-08 | 2022-04-22 | 한국생산기술연구원 | 산소 포화도 조절을 이용하여 결함을 억제시키기 위한 금속 분말 적층 공정용 챔버 어셈블리 |
JP2023506959A (ja) * | 2019-12-20 | 2023-02-20 | アルセロールミタル | マルエージング鋼の付加製造のための方法 |
US11806787B2 (en) | 2020-12-17 | 2023-11-07 | Sodick Co., Ltd. | Gas flow nozzle for irradiation based additive manufacturing |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021025876A1 (en) * | 2019-08-06 | 2021-02-11 | Carbon, Inc. | Additive manufacturing apparatus with purged light engine |
US12011879B2 (en) * | 2020-12-21 | 2024-06-18 | Hamilton Sundstrand Corporation | Powder removal from a printed workpiece |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5699988A (en) | 1980-01-16 | 1981-08-11 | Tokyo Shibaura Electric Co | Method of manufacturing multielectrode airtight terminal |
JP5721887B1 (ja) * | 2014-06-20 | 2015-05-20 | 株式会社ソディック | 積層造形装置 |
JP5721886B1 (ja) * | 2014-06-20 | 2015-05-20 | 株式会社ソディック | 積層造形装置 |
JP5982047B1 (ja) * | 2015-08-31 | 2016-08-31 | 株式会社ソディック | 積層造形装置 |
JP6600211B2 (ja) * | 2015-09-24 | 2019-10-30 | アマノ株式会社 | 電気集塵機 |
CN205057063U (zh) * | 2015-10-19 | 2016-03-02 | 华南理工大学 | 一种应用于3d打印密封舱内烟尘检测与净化设备 |
DE102016224790A1 (de) * | 2015-12-15 | 2017-06-22 | Nabtesco Corporation | Dreidimensionale Modelliervorrichtung |
CN109070212B (zh) * | 2016-05-19 | 2021-06-29 | 株式会社沙迪克 | 金属3d打印机 |
CN205761767U (zh) * | 2016-06-24 | 2016-12-07 | 南京复苏等离子科技有限公司 | 一种静电集尘装置 |
JP6095147B1 (ja) * | 2016-07-13 | 2017-03-15 | 株式会社ソディック | 積層造形装置 |
JP6177412B1 (ja) * | 2016-11-22 | 2017-08-09 | 株式会社ソディック | 積層造形装置 |
JP6410912B1 (ja) * | 2017-11-16 | 2018-10-24 | 株式会社ソディック | 積層造形装置 |
-
2019
- 2019-06-28 JP JP2019120638A patent/JP6611151B1/ja active Active
-
2020
- 2020-03-13 CN CN202010175834.1A patent/CN112139493B/zh active Active
- 2020-03-26 TW TW109110155A patent/TWI714484B/zh active
- 2020-04-03 DE DE102020109334.9A patent/DE102020109334A1/de active Pending
- 2020-04-14 US US16/848,816 patent/US11338506B2/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2023506959A (ja) * | 2019-12-20 | 2023-02-20 | アルセロールミタル | マルエージング鋼の付加製造のための方法 |
JP7437505B2 (ja) | 2019-12-20 | 2024-02-22 | アルセロールミタル | マルエージング鋼の付加製造のための方法 |
KR102388569B1 (ko) * | 2020-12-08 | 2022-04-22 | 한국생산기술연구원 | 산소 포화도 조절을 이용하여 결함을 억제시키기 위한 금속 분말 적층 공정용 챔버 어셈블리 |
US11806787B2 (en) | 2020-12-17 | 2023-11-07 | Sodick Co., Ltd. | Gas flow nozzle for irradiation based additive manufacturing |
Also Published As
Publication number | Publication date |
---|---|
DE102020109334A1 (de) | 2020-12-31 |
TW202100264A (zh) | 2021-01-01 |
CN112139493B (zh) | 2022-05-24 |
JP2021006650A (ja) | 2021-01-21 |
US20200406533A1 (en) | 2020-12-31 |
TWI714484B (zh) | 2020-12-21 |
US11338506B2 (en) | 2022-05-24 |
CN112139493A (zh) | 2020-12-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6611151B1 (ja) | 積層造形装置 | |
JP6262275B2 (ja) | 積層造形装置 | |
JP5960330B1 (ja) | 積層造形装置 | |
US10682701B2 (en) | Apparatus for producing a three-dimensional work piece with improved gas flow | |
WO2004076102A1 (ja) | 三次元形状造形物の製造装置及び製造方法 | |
CN109689251B (zh) | 用于实体自由成形制造的多腔室沉积设备 | |
KR102485713B1 (ko) | 흡입 시스템을 가지는 레이저 머신 툴 | |
JP6095147B1 (ja) | 積層造形装置 | |
US11759864B2 (en) | Additive manufacturing apparatus | |
US11110518B2 (en) | Method and apparatus for manufacturing a three-dimensional object | |
JP6188103B1 (ja) | 積層造形装置 | |
CN112399897A (zh) | 用于将气体进送到增材制造空间的方法和装置 | |
JP5982046B1 (ja) | 積層造形装置 | |
US20200156319A1 (en) | Irradiation device for an apparatus for additively manufacturing three-dimensional objects | |
TWI802119B (zh) | 層疊造型裝置 | |
US20230014858A1 (en) | Powder Production And Recycling | |
JP6871315B2 (ja) | 積層造形装置および三次元造形物の製造方法 | |
US11717890B2 (en) | Additive manufacturing apparatus | |
EP4316699A1 (en) | Additive manufacturing apparatus comprising a transfer device that transfers the metal powder together with the inert gas | |
JPH09155565A (ja) | 電子ビーム溶接方法とその溶接機 | |
US20240149530A1 (en) | Additive manufacturing apparatus and method of manufacturing three-dimensional object |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190919 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20190919 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20191003 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20191023 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20191023 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6611151 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |