JP7140667B2 - 摺動部材 - Google Patents
摺動部材 Download PDFInfo
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- JP7140667B2 JP7140667B2 JP2018235147A JP2018235147A JP7140667B2 JP 7140667 B2 JP7140667 B2 JP 7140667B2 JP 2018235147 A JP2018235147 A JP 2018235147A JP 2018235147 A JP2018235147 A JP 2018235147A JP 7140667 B2 JP7140667 B2 JP 7140667B2
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- 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
- F16C33/10—Construction relative to lubrication
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
- C10M103/06—Metal compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/40—Lubricating compositions characterised by the base-material being a macromolecular compound containing nitrogen
- C10M107/44—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
- C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
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- 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
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- 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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
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- 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
- F16C33/10—Construction relative to lubrication
- F16C33/1095—Construction relative to lubrication with solids as lubricant, e.g. dry coatings, powder
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- 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
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
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- 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
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/02—Crankshaft bearings
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/066—Molybdenum sulfide
- C10M2201/0663—Molybdenum sulfide used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/08—Inorganic acids or salts thereof
- C10M2201/084—Inorganic acids or salts thereof containing sulfur, selenium or tellurium
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/044—Polyamides
- C10M2217/0443—Polyamides used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/08—Solids
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- 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
- F16C2202/00—Solid materials defined by their properties
- F16C2202/50—Lubricating properties
- F16C2202/54—Molybdenum disulfide
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- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/40—Imides, e.g. polyimide [PI], polyetherimide [PEI]
- F16C2208/42—Polyamideimide [PAI]
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- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/48—Particle sizes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Ocean & Marine Engineering (AREA)
- Inorganic Chemistry (AREA)
- Sliding-Contact Bearings (AREA)
- Lubricants (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Laminated Bodies (AREA)
Description
本発明は、前記課題にかんがみてなされたもので、傷が形成されても高い耐焼付き性を発揮できる技術を提供することを目的とする。
(1)摺動部材の構成:
(2)摺動部材の製造方法:
(3)実験結果:
(4)他の実施形態:
図1は、本発明の一実施形態にかかる摺動部材1の斜視図である。摺動部材1は、裏金10とライニング11とオーバーレイ12とを含む。摺動部材1は、中空状の円筒を直径方向に2等分した半割形状の金属部材であり、断面が半円弧状となっている。2個の摺動部材1を円筒状になるように組み合わせることにより、すべり軸受Aが形成される。すべり軸受Aは内部に形成される中空部分にて円柱状の相手材2(エンジンのクランクシャフト)を軸受けする。相手材2の外径はすべり軸受Aの内径よりもわずかに小さく形成されている。相手材2の外周面と、すべり軸受Aの内周面との間に形成される隙間に潤滑油(エンジンオイル)が供給される。その際に、すべり軸受Aの内周面上を相手材2の外周面が摺動する。
RpkとRaとは、それぞれJIS B0671-2002とJIS B0601-2001の表面粗さであり、オーバーレイ12の表面(摺動面)の表面粗さである。カットオフ値λcを0.08mmとした場合のRpk(0.08)は0.162μmであり、カットオフ値λcを0.8mmとした場合のRa(0.8)は0.151μmであった。RpkとRaは、小坂研究所社のサーフコーダSE-3400によって計測した。カットオフ値λcを0.08mmとすることにより、ライニング11表面に形成した約0.08mm周期の溝のうねりの影響を除去した粗さを示すRpk(0.08)を得ることができる。
摺動部材1を(a)半割基材形成工程と(b)塗布前処理工程と(c)第1塗布工程と(d)第2塗布工程と(e)乾燥工程と(f)焼成工程とを順に行うことによって形成した。ただし、摺動部材1の製造方法は前記の工程に限定されるものではない。
半割基材形成工程は、裏金10とライニング11とが接合した基材を半割状に形成する工程である。例えば、裏金10に相当する板材上においてライニング11の材料を焼結することにより、裏金10とライニング11とが接合した基材が形成されてもよい。また、裏金10とライニング11に相当する板材を圧延によって接合することにより、裏金10とライニング11とが接合した基材が形成されてもよい。さらに、プレス加工や切削加工等の機械加工を行うことにより、裏金10とライニング11とが接合した基材を半割状に加工してもよい。
塗布前処理工程は、ライニング11の表面に対するオーバーレイ12(樹脂被覆層)の密着性を向上させるための表面処理である。例えば、塗布前処理工程として、サンドブラスト等の粗面化処理を行ってもよいし、エッチングや化成処理などの化学処理を行ってもよい。なお、塗布前処理工程は、半割基材の油分を洗浄剤で脱脂した後に行うことが好ましい。
第1塗布工程は、ライニング11にオーバーレイ12の内層L2を塗布する工程である。第1塗布工程を行うにあたり、ポリアミドイミドのバインダー樹脂に二硫化モリブデン粒子12bと硫酸バリウム粒子12cとを混合した塗布液を調製する。また、二硫化モリブデン粒子12bと硫酸バリウム粒子12cの分散性を高めたり、塗布液の粘度を調整したりするために、必要に応じてN-メチル-2-ピロリドンやキシレン等の溶剤を用いてもよい。
その後、第2塗布工程において、第1塗布工程と同様に塗布液の塗布を行う。なお、第1塗布工程と第2塗布工程との間に後述する乾燥工程を行ってもよい。
乾燥工程は、最表層L1と内層L2とを乾燥させる工程である。例えば、40~120℃で5~60分にわたって最表層L1と内層L2とを乾燥させる。
さらに例えば150~300℃で30~60分にわたって最表層L1と内層L2とを焼成(硬化)させた。
以上の工程により摺動部材1が完成する。
前記実施形態においては、エンジンのクランクシャフトを軸受けするすべり軸受Aを構成する摺動部材1を例示したが、本発明の摺動部材1によって他の用途のすべり軸受Aを形成してもよい。例えば、本発明の摺動部材1によってトランスミッション用のギヤブシュやピストンピンブシュ・ボスブシュ等のラジアル軸受を形成してもよい。さらに、本発明の摺動部材は、スラスト軸受であってもよく、各種ワッシャであってもよいし、カーエアコンコンプレッサ用の斜板であってもよい。また、塗布層の層数は3層以上であってもよい。
Claims (1)
- 基層と、前記基層上に形成された樹脂被覆層とを備える摺動部材であって、
前記樹脂被覆層は、
バインダーとしてのポリアミドイミド樹脂と、
平均粒径が0.6μmの硫酸バリウム粒子と、
前記硫酸バリウム粒子の平均粒径の1.67倍以上かつ2.8倍以下の平均粒径を有する二硫化モリブデン粒子と、
不可避不純物と、
からなる摺動部材。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018235147A JP7140667B2 (ja) | 2018-12-17 | 2018-12-17 | 摺動部材 |
US17/311,413 US12018719B2 (en) | 2018-12-17 | 2019-08-29 | Sliding member |
PCT/JP2019/033900 WO2020129316A1 (ja) | 2018-12-17 | 2019-08-29 | 摺動部材 |
EP19899869.2A EP3901481B1 (en) | 2018-12-17 | 2019-08-29 | Sliding member |
CN201980076746.1A CN113167325B (zh) | 2018-12-17 | 2019-08-29 | 滑动构件 |
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JP2018235147A JP7140667B2 (ja) | 2018-12-17 | 2018-12-17 | 摺動部材 |
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JP2020097947A JP2020097947A (ja) | 2020-06-25 |
JP7140667B2 true JP7140667B2 (ja) | 2022-09-21 |
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JP2018235147A Active JP7140667B2 (ja) | 2018-12-17 | 2018-12-17 | 摺動部材 |
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US (1) | US12018719B2 (ja) |
EP (1) | EP3901481B1 (ja) |
JP (1) | JP7140667B2 (ja) |
CN (1) | CN113167325B (ja) |
WO (1) | WO2020129316A1 (ja) |
Citations (2)
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JP2009068584A (ja) | 2007-09-12 | 2009-04-02 | Toyota Motor Corp | 摺動用被覆構造 |
WO2013039177A1 (ja) | 2011-09-13 | 2013-03-21 | 大豊工業株式会社 | しゅう動部材及びしゅう動材料組成物 |
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CN113167325B (zh) | 2023-05-30 |
EP3901481A1 (en) | 2021-10-27 |
EP3901481A4 (en) | 2022-08-31 |
WO2020129316A1 (ja) | 2020-06-25 |
EP3901481B1 (en) | 2023-10-25 |
JP2020097947A (ja) | 2020-06-25 |
US20220025928A1 (en) | 2022-01-27 |
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US12018719B2 (en) | 2024-06-25 |
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