JP2019094524A - アルミニウム合金製フローティングメタルベアリング - Google Patents
アルミニウム合金製フローティングメタルベアリング Download PDFInfo
- Publication number
- JP2019094524A JP2019094524A JP2017223162A JP2017223162A JP2019094524A JP 2019094524 A JP2019094524 A JP 2019094524A JP 2017223162 A JP2017223162 A JP 2017223162A JP 2017223162 A JP2017223162 A JP 2017223162A JP 2019094524 A JP2019094524 A JP 2019094524A
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- aluminum alloy
- less
- floating metal
- turbine
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 55
- 239000002184 metal Substances 0.000 title claims abstract description 55
- 238000007667 floating Methods 0.000 title claims abstract description 47
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 61
- 239000011777 magnesium Substances 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 17
- 239000011572 manganese Substances 0.000 claims abstract description 12
- 239000010936 titanium Substances 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 6
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 25
- 239000012530 fluid Substances 0.000 claims description 10
- 238000005461 lubrication Methods 0.000 claims description 10
- 230000001965 increasing effect Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000001629 suppression Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 18
- 239000007789 gas Substances 0.000 description 16
- 239000003921 oil Substances 0.000 description 14
- 229910045601 alloy Inorganic materials 0.000 description 10
- 239000000956 alloy Substances 0.000 description 10
- 230000004044 response Effects 0.000 description 7
- 239000013585 weight reducing agent Substances 0.000 description 7
- 229910000881 Cu alloy Inorganic materials 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229910001361 White metal Inorganic materials 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000010969 white metal Substances 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 229910018140 Al-Sn Inorganic materials 0.000 description 1
- 229910016570 AlCu Inorganic materials 0.000 description 1
- 229910018564 Al—Sn Inorganic materials 0.000 description 1
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 229910008813 Sn—Si Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- WIKSRXFQIZQFEH-UHFFFAOYSA-N [Cu].[Pb] Chemical compound [Cu].[Pb] WIKSRXFQIZQFEH-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000003483 aging Methods 0.000 description 1
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
10 排気タービン式ターボチャージャー
20 フローティングメタルベアリング
21 スラストベアリング
22 スラストカラー
24 オイル供給溝
25 オイル供給孔
26 軸受け穴
30 排気タービン
31 タービンシャフト
32 排気側インペラ
33 吸気側インペラ
40 ベアリングハウジング
50 タービンハウジング
60 コンプレッサーハウジング
AA1 アルミニウム合金
AA2 アルミニウム合金
Claims (4)
- 排気タービン式ターボチャージャー(10)のタービンシャフト(31)の吸気側と排気側をそれぞれ別個に軸受けする滑り軸受けであって、
その素材が重量比において、
ケイ素(Si):10.0〜11.5%、
鉄(Fe):0.50%以下、
銅(Cu):2.0〜3.0%、
マンガン(Mn):0.10%以下、
マグネシウム(Mg):0.20〜0.50%、
亜鉛(Zn):0.10%以下、
チタン(Ti):0.10%以下、
その他各々0.10%以下であってその他の合計が0.15%以下、
残部がアルミニウム(Al)
から組成されるアルミニウム合金(AA1)製であることを特徴とするアルミニウム合金製フローティングメタルベアリング(1)。 - 排気タービン式ターボチャージャー(10)のタービンシャフト(31)の吸気側と排気側をそれぞれ別個に軸受けする滑り軸受けであって、
その素材が重量比において、
ケイ素(Si):9.5〜11.5%、
鉄(Fe):0.50%以下、
銅(Cu):4.0〜5.0%、
マンガン(Mn)0.3%以下、
マグネシウム(Mg)0.40〜0.80%、
亜鉛(Zn)0.5%以下、
チタン(Ti)0.2%以下、
その他各々0.10%以下であってその他の合計が0.15%以下、
残部がアルミニウム(Al)
から組成されるアルミニウム合金(AA2)製であることを特徴とするアルミニウム合金製フローティングメタルベアリング(1)。 - 軸受け穴(26)の表面に真円度を変化させることにより流体潤滑条件の異なる領域を軸芯から等角等方的に複数連続して備えたことを特徴とする請求項1又は請求項2に記載のアルミニウム合金製フローティングメタルベアリング(1)。
- 前記流体潤滑条件の異なる領域が6個であることを特徴とする請求項1から請求項3の何れかに記載のアルミニウム合金製フローティングメタルベアリング(1)。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017223162A JP6294556B1 (ja) | 2017-11-20 | 2017-11-20 | アルミニウム合金製フローティングメタルベアリング |
CN201880002945.3A CN110337501A (zh) | 2017-11-20 | 2018-08-12 | 铝合金制浮动金属轴承 |
PCT/JP2018/030166 WO2019097782A1 (ja) | 2017-11-20 | 2018-08-12 | アルミニウム合金製フローティングメタルベアリング |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017223162A JP6294556B1 (ja) | 2017-11-20 | 2017-11-20 | アルミニウム合金製フローティングメタルベアリング |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6294556B1 JP6294556B1 (ja) | 2018-03-14 |
JP2019094524A true JP2019094524A (ja) | 2019-06-20 |
Family
ID=61629002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017223162A Active JP6294556B1 (ja) | 2017-11-20 | 2017-11-20 | アルミニウム合金製フローティングメタルベアリング |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6294556B1 (ja) |
CN (1) | CN110337501A (ja) |
WO (1) | WO2019097782A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6056035A (ja) * | 1983-09-05 | 1985-04-01 | Hitachi Ltd | タ−ボチヤ−ジヤの軸受構造 |
JPS60221559A (ja) * | 1984-03-26 | 1985-11-06 | Kobe Steel Ltd | 耐摩耗性アルミニウム合金押出材の製造方法 |
JPH01147039A (ja) * | 1987-12-02 | 1989-06-08 | Kobe Steel Ltd | 耐摩耗アルミニウム合金及びその製造方法 |
JPH055147A (ja) * | 1991-06-26 | 1993-01-14 | Showa Alum Corp | 耐摩耗性に優れた低熱膨張アルミニウム合金 |
CN1936051A (zh) * | 2006-10-17 | 2007-03-28 | 山东大学 | 一种铝硅铜镁系变形铝合金及其制备方法 |
JP2014211127A (ja) * | 2013-04-19 | 2014-11-13 | 株式会社豊田中央研究所 | コンプレッサユニット、ターボチャージャ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03215642A (ja) * | 1990-01-22 | 1991-09-20 | Daido Metal Co Ltd | 非焼付性、耐摩耗性および耐蝕性に優れた摺動用銅基合金 |
US5246509A (en) * | 1990-01-22 | 1993-09-21 | Daido Metal Company Ltd. | Copper base alloy superior in resistances to seizure, wear and corrosion suitable for use as material of sliding member |
JP4218534B2 (ja) * | 2004-01-21 | 2009-02-04 | トヨタ自動車株式会社 | 組み合わせ摺動部材 |
CN102840001A (zh) * | 2011-06-24 | 2012-12-26 | 太仓海嘉车辆配件有限公司 | 一种孔隙率低于0.1%的大凸轮轴盖及其铸造方法 |
JP5975698B2 (ja) * | 2012-03-30 | 2016-08-23 | 大豊工業株式会社 | ターボチャージャー |
JP5477930B1 (ja) * | 2013-07-31 | 2014-04-23 | 株式会社中村製作所 | 低振動形フローティングメタルベアリング |
-
2017
- 2017-11-20 JP JP2017223162A patent/JP6294556B1/ja active Active
-
2018
- 2018-08-12 CN CN201880002945.3A patent/CN110337501A/zh active Pending
- 2018-08-12 WO PCT/JP2018/030166 patent/WO2019097782A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6056035A (ja) * | 1983-09-05 | 1985-04-01 | Hitachi Ltd | タ−ボチヤ−ジヤの軸受構造 |
JPS60221559A (ja) * | 1984-03-26 | 1985-11-06 | Kobe Steel Ltd | 耐摩耗性アルミニウム合金押出材の製造方法 |
JPH01147039A (ja) * | 1987-12-02 | 1989-06-08 | Kobe Steel Ltd | 耐摩耗アルミニウム合金及びその製造方法 |
JPH055147A (ja) * | 1991-06-26 | 1993-01-14 | Showa Alum Corp | 耐摩耗性に優れた低熱膨張アルミニウム合金 |
CN1936051A (zh) * | 2006-10-17 | 2007-03-28 | 山东大学 | 一种铝硅铜镁系变形铝合金及其制备方法 |
JP2014211127A (ja) * | 2013-04-19 | 2014-11-13 | 株式会社豊田中央研究所 | コンプレッサユニット、ターボチャージャ |
Also Published As
Publication number | Publication date |
---|---|
JP6294556B1 (ja) | 2018-03-14 |
WO2019097782A1 (ja) | 2019-05-23 |
CN110337501A (zh) | 2019-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3718147B2 (ja) | 内燃機関用のターボ式過給機 | |
EP2832969B1 (en) | Turbocharger | |
EP2832971A1 (en) | Turbocharger bearing housing | |
KR20120085231A (ko) | 미끄럼 베어링, 제조방법 및 내연기관 | |
JP2007009702A (ja) | ターボチャージャー用軸受装置およびターボチャージャー | |
WO2019097781A1 (ja) | アルミニウム合金製フローティングメタルベアリング | |
EP2765214A2 (en) | Stainless steel alloys, turbocharger turbine housings formed from the stainless steel alloys, and methods for manufacturing the same | |
EP3168318B1 (en) | Stainless steel alloys and turbocharger turbine housings formed from the stainless steel alloys | |
WO2019097782A1 (ja) | アルミニウム合金製フローティングメタルベアリング | |
JP6294557B1 (ja) | アルミニウム合金製タービンシャフト用ナット | |
WO2015025576A1 (ja) | 内燃機関用電動式空気流量制御装置 | |
CN102764876A (zh) | 涡轮增压器后盖板的重力铸造工艺 | |
JPS6256938B2 (ja) | ||
JP5995735B2 (ja) | ターボチャージャの軸受構造及びそれを具備するターボチャージャ | |
RU2813220C1 (ru) | Многослойный шатунный вкладыш коленчатого вала | |
JP6490325B1 (ja) | スクロール部品及びスクロール圧縮機 | |
JP6001470B2 (ja) | ターボチャージャの軸受構造及びそれを具備するターボチャージャ | |
JPS6047897B2 (ja) | 耐摩耗性アルミニウム合金 | |
EP2832970A1 (en) | Turbocharger bearing housing | |
JP2009079488A (ja) | アルミニウム合金製バルブスプリングリテーナ | |
WO2014104101A1 (ja) | ターボチャージャの軸受構造及びそれを具備するターボチャージャ | |
JP2014145282A (ja) | ターボチャージャ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20171121 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20171121 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20171206 |
|
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: 20180206 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180215 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6294556 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |