JP7215698B2 - 付加製造及び急速凝固で等軸晶アルミニウム合金インゴットを製造する方法及び装置 - Google Patents
付加製造及び急速凝固で等軸晶アルミニウム合金インゴットを製造する方法及び装置 Download PDFInfo
- Publication number
- JP7215698B2 JP7215698B2 JP2021506336A JP2021506336A JP7215698B2 JP 7215698 B2 JP7215698 B2 JP 7215698B2 JP 2021506336 A JP2021506336 A JP 2021506336A JP 2021506336 A JP2021506336 A JP 2021506336A JP 7215698 B2 JP7215698 B2 JP 7215698B2
- Authority
- JP
- Japan
- Prior art keywords
- ingot
- moving
- negative pressure
- metal
- nozzle
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/002—Castings of light metals
- B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/04—Casting aluminium or magnesium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/003—Moulding by spraying metal on a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/15—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/08—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like for bottom pouring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/06—Ingot moulds or their manufacture
-
- 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
- B22F10/22—Direct deposition of molten metal
-
- 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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/10—Auxiliary heating means
-
- 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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/20—Cooling means
-
- 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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/30—Platforms or substrates
- B22F12/33—Platforms or substrates translatory in the deposition plane
-
- 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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/53—Nozzles
-
- 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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/70—Gas flow means
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
-
- 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
-
- 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
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0408—Light metal alloys
- C22C1/0416—Aluminium-based alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2200/00—Crystalline structure
-
- 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)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
2 ヒーター
3 保温カバー
4 ろ過装置
5 ノズル
6 ノズル遮断板
7 ノズルヒーター
8 真空チャンバー
9 ダミーバー装置
10 二次元移動テーブル
11 精密モーター
12 ガス進入孔
13 排気孔
14 真空ポンプ
15 接続ロッド
16 鋳造型
17 冷媒
18 移動インゴット
19 引き下げ装置
Claims (5)
- 金属加熱機構と、負圧冷却機構とを備え、
金属加熱機構は、負圧冷却機構の上方に位置し、ノズルを介して負圧冷却機構と接続され、
負圧冷却機構は、ガス進入孔及び排気孔を備える真空チャンバと、真空チャンバの内部に設置されている三次元移動インゴット機構とを有し、
該三次元移動インゴット機構は、移動インゴットと、移動インゴットと垂直方向において接続される二次元移動テーブルとを有し、
移動インゴットの外側に水冷機構が設置され、精密モーターにより、移動インゴットを上下に変位するように駆動し、
前記金属加熱機構は、上から下へ順に配置されている坩堝、ろ過装置及びノズル遮断板を備え、
前記ガス進入孔は、ガスを導入するためのものであり、
前記坩堝の外側に順にヒーター及び前記坩堝にいれた金属溶融液を保温する保温層が設置される
ことを特徴とする等軸晶アルミニウム合金インゴットを製造する装置を利用して付加製造及び急速凝固で等軸晶アルミニウム合金インゴットを製造する方法であって、
加熱した後の金属溶融液を、鉛直ノズルを介して負圧雰囲気における三次元移動可能な移動インゴットの表面に噴射し、金属溶融液を移動インゴットの表面に接触させて急冷させ、移動インゴットの水平運動によって厚さがδである結晶層を生成させ、そして、移動インゴットを下方へδの距離を移動させ、平面運動で新たな結晶層を形成し、さらに複数回繰り返してインゴットを得、
前記加熱は、金属溶融液を融点温度まで加熱した後、0.5~1.5時間保温することであり、
真空チャンバに対して真空排気を行い、さらに真空チャンバ内の気圧が標準気圧より小さくなるようにアルゴンガスを導入することにより負圧を形成する
ことを特徴とする付加製造及び急速凝固で等軸晶アルミニウム合金インゴットを製造する方法。 - 前記ノズルの口径の範囲は、0.2~10mmであることを特徴とする請求項1に記載
の方法。 - 差圧を制御することで、金属溶融液の噴射速度及び流量を制御することを特徴とする請求項1に記載の方法。
- 前記鉛直ノズルは、金属の融点より高い温度まで予め加熱されることを特徴とする請求項1に記載の方法。
- 前記移動インゴットの水平移動速度(v1)は、1000mm/s以下であり、パスの間隔(d)は、20mm/パス以下であることを特徴とする請求項1に記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2018/114387 WO2020093276A1 (zh) | 2018-11-07 | 2018-11-07 | 增材法快速凝固全等轴晶铝合金铸锭的制备方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021532994A JP2021532994A (ja) | 2021-12-02 |
JP7215698B2 true JP7215698B2 (ja) | 2023-01-31 |
Family
ID=70610780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021506336A Active JP7215698B2 (ja) | 2018-11-07 | 2018-11-07 | 付加製造及び急速凝固で等軸晶アルミニウム合金インゴットを製造する方法及び装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11707778B2 (ja) |
EP (1) | EP3851224B1 (ja) |
JP (1) | JP7215698B2 (ja) |
RU (1) | RU2764250C1 (ja) |
WO (1) | WO2020093276A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113732270B (zh) * | 2021-09-08 | 2023-09-01 | 昆山晶微新材料研究院有限公司 | 一种圆柱形金属铸锭的增材制造方法及装置 |
CN117548685B (zh) * | 2024-01-12 | 2024-03-22 | 苏州双恩智能科技有限公司 | 薄膜电容器喷金工艺及3d打印喷金设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000105083A (ja) | 1998-09-30 | 2000-04-11 | Kyocera Corp | 溶解装置 |
JP2009285726A (ja) | 2008-06-02 | 2009-12-10 | Daido Steel Co Ltd | コールドクルーシブル溶解炉における出湯方法 |
CN104001906A (zh) | 2014-05-26 | 2014-08-27 | 上海大学 | 薄层快速凝固成型装置及方法 |
CN106363920A (zh) | 2016-09-24 | 2017-02-01 | 上海大学 | 一种基于熔融沉积的高效高力学性能3d打印装置及方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6457965A (en) * | 1987-08-27 | 1989-03-06 | Sumitomo Electric Industries | Production of spiral part by spray forming of aluminum alloy |
JPH07178537A (ja) * | 1993-12-22 | 1995-07-18 | Hitachi Metals Ltd | 鋳造用取鍋 |
CN1207120C (zh) * | 2001-08-15 | 2005-06-22 | 中国科学院金属研究所 | 一种熔体近快速凝固方法及专用设备 |
RU2226449C1 (ru) * | 2002-11-18 | 2004-04-10 | Цацулина Ирина Евгеньевна | Способ литья деталей направленной кристаллизацией и устройство для его осуществления |
KR100909708B1 (ko) * | 2007-08-17 | 2009-07-29 | 한성석 | 금속적층체 제조장치 |
RU2545979C1 (ru) * | 2013-10-16 | 2015-04-10 | Рустам Фаритович Мамлеев | Устройство для получения отливок направленной кристаллизацией |
CN103736946B (zh) * | 2013-12-13 | 2016-02-10 | 上海交通大学 | 具有完全等轴晶粒组织的高纯金属及合金铸锭制造方法 |
JP6457965B2 (ja) | 2016-03-16 | 2019-01-23 | ソニー株式会社 | 無線通信装置、通信システムおよび情報処理方法 |
CN108788102A (zh) * | 2017-06-07 | 2018-11-13 | 上海交通大学 | 增材法快速凝固全等轴晶铝合金铸锭的制备方法及装置 |
CN108246993A (zh) * | 2018-01-18 | 2018-07-06 | 中北大学 | 一种铝合金半固态铸轧方法 |
-
2018
- 2018-11-07 RU RU2021114155A patent/RU2764250C1/ru active
- 2018-11-07 JP JP2021506336A patent/JP7215698B2/ja active Active
- 2018-11-07 US US17/285,153 patent/US11707778B2/en active Active
- 2018-11-07 WO PCT/CN2018/114387 patent/WO2020093276A1/zh unknown
- 2018-11-07 EP EP18939460.4A patent/EP3851224B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000105083A (ja) | 1998-09-30 | 2000-04-11 | Kyocera Corp | 溶解装置 |
JP2009285726A (ja) | 2008-06-02 | 2009-12-10 | Daido Steel Co Ltd | コールドクルーシブル溶解炉における出湯方法 |
CN104001906A (zh) | 2014-05-26 | 2014-08-27 | 上海大学 | 薄层快速凝固成型装置及方法 |
CN106363920A (zh) | 2016-09-24 | 2017-02-01 | 上海大学 | 一种基于熔融沉积的高效高力学性能3d打印装置及方法 |
Also Published As
Publication number | Publication date |
---|---|
US11707778B2 (en) | 2023-07-25 |
WO2020093276A1 (zh) | 2020-05-14 |
EP3851224A1 (en) | 2021-07-21 |
EP3851224B1 (en) | 2024-01-03 |
EP3851224A4 (en) | 2021-09-01 |
US20210362224A1 (en) | 2021-11-25 |
JP2021532994A (ja) | 2021-12-02 |
RU2764250C1 (ru) | 2022-01-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7014932B2 (ja) | 大型等軸晶のアルミニウム合金インゴットのアレイ噴射式付加製造装置及び方法 | |
CN108788102A (zh) | 增材法快速凝固全等轴晶铝合金铸锭的制备方法及装置 | |
CN110202152B (zh) | 间歇喷射式合金锭增材制造装置及方法 | |
CN104264016B (zh) | 一种铝硅合金材料及其制备方法 | |
JP7215698B2 (ja) | 付加製造及び急速凝固で等軸晶アルミニウム合金インゴットを製造する方法及び装置 | |
CN104001906A (zh) | 薄层快速凝固成型装置及方法 | |
CN104353795A (zh) | 有温度梯度结晶器的连续定向凝固技术 | |
CN101450377B (zh) | 一种制造多孔材料的设备 | |
WO2020206611A1 (zh) | 一种厚度为80~1500μm的宽幅非晶薄带连续大冷速高效制备的方法 | |
KR101050798B1 (ko) | 마그네슘 합금 빌렛 연속주조장치 | |
CN104588618B (zh) | 一种镁合金复合板连铸装置 | |
CN106734999B (zh) | 一种镍铝金属间化合物锭的真空铸造装置 | |
JPS6072646A (ja) | 一方向凝固組織からなる金属成形体の水平連続鋳造法および装置 | |
JPS6257418B2 (ja) | ||
JPH05214412A (ja) | 亜鉛粒の製造方法および装置 | |
JPS62292242A (ja) | 金属材料の連続鋳造方法 | |
CN109663893A (zh) | 一种铜镍锡箔的制备方法 | |
CN107185993A (zh) | 一种喷射轧制设备及其在铝合金板带材制备过程中的应用方法 | |
JPH0689381B2 (ja) | 厚板状非晶質体の製造方法 | |
CN109676099B (zh) | 一种制备具有定向组织板材的方法 | |
KR100576239B1 (ko) | 수평연속주조 장치 | |
RU2631372C1 (ru) | Способ получения кремниевых мишеней для магнетронного распыления | |
CN203373414U (zh) | 一种多自由度数控冶金射流直接成形设备 | |
CN113182502A (zh) | 一种半固态压力铸造成形设备及成形方法 | |
SU367961A1 (ru) | Способ получения ленты из тугоплавких и реакционноспособных металлов |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210204 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220221 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220308 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220531 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220802 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221027 |
|
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: 20221220 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230111 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7215698 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |