JP7485238B2 - タイヤ - Google Patents

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Publication number
JP7485238B2
JP7485238B2 JP2023563728A JP2023563728A JP7485238B2 JP 7485238 B2 JP7485238 B2 JP 7485238B2 JP 2023563728 A JP2023563728 A JP 2023563728A JP 2023563728 A JP2023563728 A JP 2023563728A JP 7485238 B2 JP7485238 B2 JP 7485238B2
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JP
Japan
Prior art keywords
layer
mass
less
rubber composition
parts
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
Application number
JP2023563728A
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English (en)
Japanese (ja)
Other versions
JPWO2023095837A1 (https=
JPWO2023095837A5 (https=
Inventor
健介 鷲頭
和郎 保地
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Rubber Industries Ltd
Original Assignee
Sumitomo Rubber Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Publication of JPWO2023095837A1 publication Critical patent/JPWO2023095837A1/ja
Publication of JPWO2023095837A5 publication Critical patent/JPWO2023095837A5/ja
Application granted granted Critical
Publication of JP7485238B2 publication Critical patent/JP7485238B2/ja
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C1/00Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C1/00Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • B60C1/0016Compositions of the tread
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/0041Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers
    • B60C11/005Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers with cap and base layers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00Compositions of natural rubber
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/06Copolymers with styrene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/0008Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the tread rubber
    • B60C2011/0016Physical properties or dimensions
    • B60C2011/0025Modulus or tan delta
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86Optimisation of rolling resistance, e.g. weight reduction 

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Tires In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
JP2023563728A 2021-11-25 2022-11-24 タイヤ Active JP7485238B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021191484 2021-11-25
JP2021191484 2021-11-25
PCT/JP2022/043390 WO2023095837A1 (ja) 2021-11-25 2022-11-24 タイヤ

Publications (3)

Publication Number Publication Date
JPWO2023095837A1 JPWO2023095837A1 (https=) 2023-06-01
JPWO2023095837A5 JPWO2023095837A5 (https=) 2024-03-14
JP7485238B2 true JP7485238B2 (ja) 2024-05-16

Family

ID=86539561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023563728A Active JP7485238B2 (ja) 2021-11-25 2022-11-24 タイヤ

Country Status (5)

Country Link
US (1) US20250018747A1 (https=)
EP (1) EP4438334A4 (https=)
JP (1) JP7485238B2 (https=)
CN (1) CN117999173B (https=)
WO (1) WO2023095837A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025132469A (ja) * 2024-02-29 2025-09-10 住友ゴム工業株式会社 タイヤ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6945806B1 (ja) 2020-07-28 2021-10-06 住友ゴム工業株式会社 空気入りタイヤ
JP2022139989A (ja) 2021-03-12 2022-09-26 住友ゴム工業株式会社 エラストマー組成物及びタイヤ

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04266502A (ja) * 1991-02-21 1992-09-22 Sumitomo Rubber Ind Ltd アンチロックブレーキシステム装着車用ラジアルタイヤ
JP4272289B2 (ja) * 1999-02-26 2009-06-03 住友ゴム工業株式会社 タイヤトレッド用ゴム組成物
JP4357227B2 (ja) * 2003-08-25 2009-11-04 住友ゴム工業株式会社 空気入りタイヤ
JP5480781B2 (ja) * 2010-11-19 2014-04-23 住友ゴム工業株式会社 ベーストレッド用ゴム組成物及び空気入りタイヤ
RU2561179C1 (ru) * 2011-08-31 2015-08-27 Мишлен Решерш Э Текник С.А. Протектор шины с улучшенным сцеплением со снегом или с сухим дорожным покрытием
JP2014162242A (ja) 2013-02-21 2014-09-08 Bridgestone Corp タイヤ
JP6351495B2 (ja) * 2014-12-16 2018-07-04 住友ゴム工業株式会社 空気入りタイヤ
JP2017227597A (ja) * 2016-06-24 2017-12-28 住友ゴム工業株式会社 老化防止剤を含有する加硫ゴム組成物の劣化試験方法、及び老化防止剤を含有する加硫ゴム組成物の耐クラック性を評価する方法
JP6253822B1 (ja) * 2017-02-20 2017-12-27 住友ゴム工業株式会社 キャップトレッド用ゴム組成物及び空気入りタイヤ
DE112018006052B4 (de) * 2017-11-28 2022-03-24 The Yokohama Rubber Co., Ltd. Luftreifen
JP7192329B2 (ja) * 2018-09-12 2022-12-20 住友ゴム工業株式会社 トレッドゴム組成物及び空気入りタイヤ
US20220389206A1 (en) * 2019-10-23 2022-12-08 Sumitomo Rubber Industries, Ltd. Tire
JP7512610B2 (ja) * 2020-02-25 2024-07-09 住友ゴム工業株式会社 タイヤ用組成物及びタイヤ
WO2021256123A1 (ja) * 2020-06-15 2021-12-23 住友ゴム工業株式会社 タイヤ
JP2022086476A (ja) * 2020-11-30 2022-06-09 住友ゴム工業株式会社 タイヤ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6945806B1 (ja) 2020-07-28 2021-10-06 住友ゴム工業株式会社 空気入りタイヤ
JP2022139989A (ja) 2021-03-12 2022-09-26 住友ゴム工業株式会社 エラストマー組成物及びタイヤ

Also Published As

Publication number Publication date
JPWO2023095837A1 (https=) 2023-06-01
CN117999173A (zh) 2024-05-07
WO2023095837A1 (ja) 2023-06-01
CN117999173B (zh) 2024-10-01
EP4438334A1 (en) 2024-10-02
EP4438334A4 (en) 2025-12-03
US20250018747A1 (en) 2025-01-16

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