RU2497624C2 - Прессованное изделие - Google Patents
Прессованное изделие Download PDFInfo
- Publication number
- RU2497624C2 RU2497624C2 RU2011114987/02A RU2011114987A RU2497624C2 RU 2497624 C2 RU2497624 C2 RU 2497624C2 RU 2011114987/02 A RU2011114987/02 A RU 2011114987/02A RU 2011114987 A RU2011114987 A RU 2011114987A RU 2497624 C2 RU2497624 C2 RU 2497624C2
- Authority
- RU
- Russia
- Prior art keywords
- molded product
- pressing
- corner portion
- thickness
- section
- Prior art date
Links
- 238000003825 pressing Methods 0.000 claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims description 34
- 239000011777 magnesium Substances 0.000 claims description 17
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 16
- 229910052749 magnesium Inorganic materials 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 235000012438 extruded product Nutrition 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000010327 methods by industry Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 description 25
- 239000000956 alloy Substances 0.000 description 25
- 238000010438 heat treatment Methods 0.000 description 18
- 238000005096 rolling process Methods 0.000 description 16
- 238000012545 processing Methods 0.000 description 15
- 229910000861 Mg alloy Inorganic materials 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 3
- 238000009749 continuous casting Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- -1 magnesium-aluminum-zinc Chemical compound 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910000799 K alloy Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- NFVZIERLAZUYBQ-UHFFFAOYSA-N [K].[Zn] Chemical compound [K].[Zn] NFVZIERLAZUYBQ-UHFFFAOYSA-N 0.000 description 1
- UQCVYEFSQYEJOJ-UHFFFAOYSA-N [Mg].[Zn].[Zr] Chemical compound [Mg].[Zn].[Zr] UQCVYEFSQYEJOJ-UHFFFAOYSA-N 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/52—Making hollow objects characterised by the use of the objects boxes, cigarette cases, or the like
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12382—Defined configuration of both thickness and nonthickness surface or angle therebetween [e.g., rounded corners, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Casings For Electric Apparatus (AREA)
- Forging (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-239712 | 2008-09-18 | ||
| JP2008239712A JP2010069504A (ja) | 2008-09-18 | 2008-09-18 | プレス体 |
| PCT/JP2009/062855 WO2010032545A1 (ja) | 2008-09-18 | 2009-07-16 | プレス体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2011114987A RU2011114987A (ru) | 2012-10-27 |
| RU2497624C2 true RU2497624C2 (ru) | 2013-11-10 |
Family
ID=42039387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2011114987/02A RU2497624C2 (ru) | 2008-09-18 | 2009-07-16 | Прессованное изделие |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US20110165431A1 (enExample) |
| EP (1) | EP2329897B1 (enExample) |
| JP (1) | JP2010069504A (enExample) |
| KR (2) | KR20110069007A (enExample) |
| CN (2) | CN102159339A (enExample) |
| AU (1) | AU2009293983A1 (enExample) |
| BR (1) | BRPI0917892A2 (enExample) |
| RU (1) | RU2497624C2 (enExample) |
| TW (1) | TW201014661A (enExample) |
| WO (1) | WO2010032545A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010069504A (ja) * | 2008-09-18 | 2010-04-02 | Sumitomo Electric Ind Ltd | プレス体 |
| KR101682868B1 (ko) * | 2011-07-21 | 2016-12-05 | 가부시키가이샤 고베 세이코쇼 | 열간 프레스 성형 강 부재의 제조 방법 |
| JP6069223B2 (ja) * | 2011-12-22 | 2017-02-01 | 新日鐵住金株式会社 | プレス成形品 |
| CN102553982A (zh) * | 2011-12-27 | 2012-07-11 | 苏州三维精密机械有限公司 | 小圆角高强度厚板折弯工艺 |
| US8935561B2 (en) * | 2012-02-23 | 2015-01-13 | City University Of Hong Kong | Progressive network recovery |
| JP6019960B2 (ja) * | 2012-09-07 | 2016-11-02 | 住友電気工業株式会社 | 金属成形体、および金属成形体の製造方法 |
| JP6029085B2 (ja) * | 2012-09-26 | 2016-11-24 | 住友電気工業株式会社 | 金属成形体、及び金属成形体の製造方法 |
| GB201217221D0 (en) | 2012-09-26 | 2012-11-07 | Jaguar Cars | Panel bending method |
| KR101644282B1 (ko) * | 2012-10-23 | 2016-07-29 | 신닛테츠스미킨 카부시키카이샤 | 프레스 가공 방법 및 바닥이 있는 용기 |
| EP2727665B1 (de) * | 2012-10-31 | 2018-06-06 | Airbus Defence and Space GmbH | Verfahren zur Herstellung eines Formbauteils und Verwendung des Verfahrens zur Herstellung eines Formbauteils |
| JP5655994B2 (ja) * | 2013-01-09 | 2015-01-21 | 新日鐵住金株式会社 | プレス成形方法 |
| DE102013103751B4 (de) | 2013-04-15 | 2025-03-27 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung von hochmaßhaltigen Halbschalen und Vorrichtung zur Herstellung einer Halbschale |
| DE102016118418A1 (de) * | 2016-09-29 | 2018-03-29 | Thyssenkrupp Ag | Verfahren zur Herstellung eines geformten Bauteils mit einem maßhaltigen Zargenbereich |
| KR101892469B1 (ko) * | 2016-12-05 | 2018-08-28 | 경일산업 주식회사 | 프레스를 이용한 알루미늄 케이스 성형방법 및 이에 사용되는 금형장치 |
| JP6527543B2 (ja) * | 2017-03-28 | 2019-06-05 | Ｊｆｅスチール株式会社 | プレス成形装置及びプレス成形品の製造方法 |
| JP7634184B2 (ja) * | 2020-10-22 | 2025-02-21 | パナソニックＩｐマネジメント株式会社 | プレス加工方法、プレス金型、およびプレス加工品 |
| GB2612022A (en) * | 2021-10-06 | 2023-04-26 | Rad Propulsion Ltd | Motor |
| CN116197308A (zh) * | 2021-11-30 | 2023-06-02 | 财团法人金属工业研究发展中心 | 壳件成形模具 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1274808A1 (ru) * | 1984-11-19 | 1986-12-07 | Камское объединение по производству большегрузных автомобилей | Способ изготовлени полых изделий |
| RU2047412C1 (ru) * | 1992-08-14 | 1995-11-10 | Борис Ефимович Баталов | Способ изготовления изделия типа тонкостенного сосуда и заготовка для комбинированной вытяжки стакана |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106321A (en) * | 1975-06-05 | 1978-08-15 | Mikhail Alexandrovich Platonov | Method of producing moulded parts |
| JPS53134762A (en) * | 1977-04-28 | 1978-11-24 | Sanei Kinzoku Kogyo Kk | Method and device for forming acute bend angle and drawing edge |
| JPS58135732A (ja) * | 1982-02-04 | 1983-08-12 | Shinsei Kinzoku Kogyo Kk | 端板を備えた筒体の製造方法 |
| NL8701623A (nl) * | 1987-07-10 | 1989-02-01 | Hoogovens Groep Bv | Werkwijze en inrichting voor het wandstrekken van een eendelig busvormig lichaam, alsmede aldus gevormd lichaam. |
| JPH0757385B2 (ja) * | 1989-06-13 | 1995-06-21 | 東洋製罐株式会社 | 被覆深絞り缶の製造方法 |
| CN1042098A (zh) * | 1989-11-06 | 1990-05-16 | 北票市汽车暖风机厂 | 汽车门窗框断面成型工艺 |
| JPH06210389A (ja) * | 1993-01-16 | 1994-08-02 | Toyota Tekko Kk | 有底筒状部品の製造方法 |
| JPH091253A (ja) * | 1995-06-20 | 1997-01-07 | Komaki Press Kogyo Kk | 板金プレス加工方法 |
| US20020005408A1 (en) * | 1997-08-12 | 2002-01-17 | Yuji Yamasaki | Easy-opening can end |
| US6205831B1 (en) * | 1998-10-08 | 2001-03-27 | Rayovac Corporation | Method for making a cathode can from metal strip |
| JP2001225113A (ja) * | 2000-02-14 | 2001-08-21 | Sasayama:Kk | 板金プレス加工方法 |
| CN1163321C (zh) * | 2000-09-25 | 2004-08-25 | 富金精密工业(深圳)有限公司 | 金属板材卷圆压平成形方法 |
| JP2002239644A (ja) | 2001-02-20 | 2002-08-27 | Matsushita Electric Ind Co Ltd | 角絞り加工法とその金型 |
| JP3771203B2 (ja) * | 2002-07-30 | 2006-04-26 | 独立行政法人産業技術総合研究所 | マグネシウム合金製板材の深絞り成形方法およびその成形体 |
| CN100446885C (zh) * | 2004-01-28 | 2008-12-31 | 格拉德&马斯特兰德公司 | 形成金属板坯的方法 |
| US7841380B2 (en) * | 2004-06-30 | 2010-11-30 | Sumitomo Electric Industries, Ltd. | Producing method for magnesium alloy material |
| JP4963527B2 (ja) * | 2004-07-15 | 2012-06-27 | 東洋鋼鈑株式会社 | 成形加工用マグネシウム合金板、マグネシウム合金容器およびマグネシウム合金容器の製造方法 |
| JP2006159232A (ja) * | 2004-12-06 | 2006-06-22 | Tsutsumi Industries Inc | プレス加工方法における薄板断面成型法 |
| JP4730601B2 (ja) * | 2005-03-28 | 2011-07-20 | 住友電気工業株式会社 | マグネシウム合金板の製造方法 |
| US7761971B2 (en) * | 2005-08-24 | 2010-07-27 | Meyer Intellectual Properties Limited | Cookware with flat interior surface |
| US7980158B1 (en) * | 2007-04-19 | 2011-07-19 | The United States Of America As Represented By The Secretary Of The Army | Polyurethane press tooling components |
| CN201098710Y (zh) * | 2007-08-28 | 2008-08-13 | 汉达精密电子(昆山)有限公司 | 金属板材冲压装置 |
| JP2010069504A (ja) * | 2008-09-18 | 2010-04-02 | Sumitomo Electric Ind Ltd | プレス体 |
-
2008
- 2008-09-18 JP JP2008239712A patent/JP2010069504A/ja active Pending
-
2009
- 2009-07-16 WO PCT/JP2009/062855 patent/WO2010032545A1/ja not_active Ceased
- 2009-07-16 RU RU2011114987/02A patent/RU2497624C2/ru not_active IP Right Cessation
- 2009-07-16 CN CN2009801368145A patent/CN102159339A/zh active Pending
- 2009-07-16 US US13/063,657 patent/US20110165431A1/en not_active Abandoned
- 2009-07-16 EP EP09814390A patent/EP2329897B1/en not_active Not-in-force
- 2009-07-16 KR KR1020117005946A patent/KR20110069007A/ko not_active Ceased
- 2009-07-16 CN CN201510941099.XA patent/CN105537350A/zh active Pending
- 2009-07-16 KR KR1020167002938A patent/KR20160020585A/ko not_active Ceased
- 2009-07-16 AU AU2009293983A patent/AU2009293983A1/en not_active Abandoned
- 2009-07-16 BR BRPI0917892A patent/BRPI0917892A2/pt not_active IP Right Cessation
- 2009-09-11 TW TW098130639A patent/TW201014661A/zh unknown
-
2012
- 2012-12-14 US US13/716,039 patent/US20130104619A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1274808A1 (ru) * | 1984-11-19 | 1986-12-07 | Камское объединение по производству большегрузных автомобилей | Способ изготовлени полых изделий |
| RU2047412C1 (ru) * | 1992-08-14 | 1995-11-10 | Борис Ефимович Баталов | Способ изготовления изделия типа тонкостенного сосуда и заготовка для комбинированной вытяжки стакана |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0917892A2 (pt) | 2015-12-01 |
| EP2329897A4 (en) | 2012-03-07 |
| EP2329897B1 (en) | 2013-01-09 |
| EP2329897A1 (en) | 2011-06-08 |
| US20130104619A1 (en) | 2013-05-02 |
| US20110165431A1 (en) | 2011-07-07 |
| WO2010032545A1 (ja) | 2010-03-25 |
| AU2009293983A1 (en) | 2010-03-25 |
| KR20110069007A (ko) | 2011-06-22 |
| CN102159339A (zh) | 2011-08-17 |
| JP2010069504A (ja) | 2010-04-02 |
| RU2011114987A (ru) | 2012-10-27 |
| TW201014661A (en) | 2010-04-16 |
| CN105537350A (zh) | 2016-05-04 |
| KR20160020585A (ko) | 2016-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2497624C2 (ru) | Прессованное изделие | |
| KR100903249B1 (ko) | 심미적 양극 처리가 가능하고, 기계적 내구성이 높은 가단알루미늄 합금, 그의 제조 방법 및 상기 합금을 기재로 한알루미늄 제품 | |
| AU2015315865B2 (en) | Aluminum alloy sheet for can body | |
| KR20190003703A (ko) | 증강된 성형성을 갖는 알루미늄 합금들 및 관련된 방법들 | |
| US10907241B2 (en) | Aluminum alloy sheet for blow molding and production method therefor | |
| JP5376507B2 (ja) | 優れた冷間成形性を有するマグネシウム合金板材及びその製造方法 | |
| CN101563475B (zh) | 冷轧钢板及其制造方法 | |
| JP2014221493A (ja) | プレス体 | |
| US3882712A (en) | Processing copper base alloys | |
| CN114953631A (zh) | 一种高温曲率双层复合钛合金片及其制备方法 | |
| JP2018123376A (ja) | アルミニウム合金板及びその製造方法 | |
| KR101105870B1 (ko) | 마그네슘-알루미늄 박육 층상 복합재의 제조방법 | |
| CN112893468A (zh) | 一种通过波纹轧和平轧工艺提高Fe-Mn-Cr-Ni系高熵合金强度的方法 | |
| JP2002003968A (ja) | 成形性に優れたチタン板とその製造方法 | |
| KR20080021552A (ko) | 전지 케이스용 알루미늄 합금판 및 그 제조 방법 | |
| US11618930B2 (en) | Personal ornament and method for producing personal ornament | |
| JP2007162082A (ja) | 耐ひずみ時効性に優れ、面内異方性の小さい冷延鋼板の製造方法 | |
| CN114480928A (zh) | 一种电子产品用高强铝板及其制造方法 | |
| CN110678584B (zh) | 铝层叠体及其制造方法 | |
| KR101315653B1 (ko) | 비대칭압연에 의한 디프드로잉성이 우수한 알루미늄 합금판재의 제조방법 | |
| JP2014125642A (ja) | プレス成形性に優れたアルミニウム合金板およびその製造方法 | |
| JP5653023B2 (ja) | ニッケル圧延材、ニッケル圧延材の製造方法、および冷陰極蛍光ランプの電極 | |
| US919505A (en) | Process of making screen-plates. | |
| KR20050093467A (ko) | 전지 케이스용 알루미늄합금의 제조방법 | |
| TW466273B (en) | Method for cold-rolling annealing alloy cast sheet made from sheet casting rolling process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20180717 |