KR102215744B1 - 공기입 타이어 - Google Patents
공기입 타이어 Download PDFInfo
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- KR102215744B1 KR102215744B1 KR1020197015298A KR20197015298A KR102215744B1 KR 102215744 B1 KR102215744 B1 KR 102215744B1 KR 1020197015298 A KR1020197015298 A KR 1020197015298A KR 20197015298 A KR20197015298 A KR 20197015298A KR 102215744 B1 KR102215744 B1 KR 102215744B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
- B60C13/003—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof characterised by sidewall curvature
- B60C13/004—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof characterised by sidewall curvature of the internal side of the tyre
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- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
- B60C15/0036—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with high ply turn-up, i.e. folded around the bead core and terminating radially above the point of maximum section width
- B60C15/0045—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with high ply turn-up, i.e. folded around the bead core and terminating radially above the point of maximum section width with ply turn-up up to the belt edges, i.e. folded around the bead core and extending to the belt edges
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- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0008—Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the tread rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0041—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers
- B60C11/005—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers with cap and base layers
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- B60—VEHICLES IN GENERAL
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- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
- B60C15/0054—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with ply turn-up portion parallel and adjacent to carcass main portion
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- B60—VEHICLES IN GENERAL
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- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
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- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0603—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the bead filler or apex
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- B60—VEHICLES IN GENERAL
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- B60C3/00—Tyres characterised by the transverse section
- B60C3/04—Tyres characterised by the transverse section characterised by the relative dimensions of the section, e.g. low profile
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- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
- B60C9/14—Carcasses built-up with sheets, webs, or films of homogeneous material, e.g. synthetics, sheet metal, rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C2009/0071—Reinforcements or ply arrangement of pneumatic tyres characterised by special physical properties of the reinforcements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0008—Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the tread rubber
- B60C2011/0016—Physical properties or dimensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0008—Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the tread rubber
- B60C2011/0016—Physical properties or dimensions
- B60C2011/0025—Modulus or tan delta
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- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
- B60C2013/005—Physical properties of the sidewall rubber
- B60C2013/006—Modulus; Hardness; Loss modulus or "tangens delta"
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
- B60C2013/005—Physical properties of the sidewall rubber
- B60C2013/007—Thickness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0603—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the bead filler or apex
- B60C2015/061—Dimensions of the bead filler in terms of numerical values or ratio in proportion to section height
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C2015/0617—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a cushion rubber other than the chafer or clinch rubber
- B60C2015/0621—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a cushion rubber other than the chafer or clinch rubber adjacent to the carcass turnup portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C2015/0642—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer between carcass turn-up and bead filler not wrapped around the bead core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C2015/065—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer at the axially outer side of the carcass turn-up portion not wrapped around the bead core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C2015/0678—Physical properties of the bead reinforcing layer, e.g. modulus of the ply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C2015/0682—Physical properties or dimensions of the coating rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
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- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C2015/0685—Physical properties or dimensions of the cords, e.g. modulus of the cords
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
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- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C2015/0685—Physical properties or dimensions of the cords, e.g. modulus of the cords
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C2015/0692—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer characterised by particular materials of the cords
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
Description
도 2는, 도 1의 A 상세도이다.
도 3은, 도 1의 B 상세도이다.
도 4는, 도 3의 C-C 방향으로부터 본 카커스 및 보강층에 관한 설명도이다.
도 5는, 도 4의 D-D 방향으로부터 본 사시도이다.
도 6은, 실시 형태에 관련되는 공기입 타이어의 변형예이고, 사이드 보강층에 관한 설명도이다.
도 7은, 실시 형태에 관련되는 공기입 타이어의 변형예이고, 사이드 보강층에 관한 설명도이다.
도 8은, 실시 형태에 관련되는 공기입 타이어의 변형예이고, 사이드 보강층에 관한 설명도이다.
도 9a는, 공기입 타이어의 성능 시험의 결과를 나타내는 도표이다.
도 9b는, 공기입 타이어의 성능 시험의 결과를 나타내는 도표이다.
도 9c는, 공기입 타이어의 성능 시험의 결과를 나타내는 도표이다.
도 9d는, 공기입 타이어의 성능 시험의 결과를 나타내는 도표이다.
2: 트레드부
3: 트레드면
4: 사이드 월부
5: 숄더부
10: 비드부
11: 비드 코어
12: 비드 필러
13: 외측 단부
15: 비드 베이스
16: 비드 토우
17: 비드 힐부
20: 카커스
21: 본체부
22: 감아올림부
23: 단부
24: 카커스 코드
25: 벨트층
31: 캡 고무
32: 베이스 고무
33: 사이드 고무
34: 림 쿠션 고무
35: 이너 라이너
40: 보강층
41, 51: 외측 단부
42, 52: 내측 단부
43: 보강 코드
50: 사이드 보강층
Claims (9)
- 트레드부의 타이어 경(徑)방향 내측(內側)에 배설(配設)되는 벨트층과,
타이어 폭 방향에 있어서의 타이어 적도면의 양측(兩側)에 배설되는 한 쌍의 사이드 월부와,
한 쌍의 상기 사이드 월부의 타이어 폭 방향 내측에 배설되고, 원환상(圓環狀)으로 형성되는 비드 코어를 구비하는 한 쌍의 비드부와,
상기 비드 코어의 타이어 경방향 외측(外側)에 배설되는 비드 필러와,
한 쌍의 상기 비드부끼리의 사이에 걸쳐 배설되는 것과 함께 상기 비드 코어의 타이어 폭 방향 내측으로부터 타이어 폭 방향 외측에 걸쳐 되접어 꺾이는 감아올림부를 가지는 1매(枚)의 카커스와,
상기 카커스의 상기 감아올림부와 상기 비드 필러와의 사이에 배설되는 보강층
을 구비하고,
상기 카커스는, 상기 감아올림부의 단부(端部)가 상기 벨트층의 타이어 경방향 내측에서, 또한, 상기 벨트층의 타이어 폭 방향에 있어서의 내측의 영역에 배치되고,
상기 비드 필러는, 타이어 경방향에 있어서의 외측 단부와, 상기 비드부의 비드 힐부와의 거리가 타이어 단면 높이의 20% 이상 40% 이하의 범위 내(內)이고,
상기 보강층은, 타이어 경방향에 있어서의 외측 단부가, 상기 비드 필러의 타이어 경방향에 있어서의 외측 단부보다도 타이어 경방향 외측에서, 또한, 타이어 최대 폭 위치의 타이어 경방향에 있어서의 위치보다도 타이어 경방향 내측에 위치하고, 타이어 경방향에 있어서의 내측 단부가, 상기 비드 코어보다도 타이어 경방향 외측에 위치하고,
상기 사이드 월부는, 60℃에서의 tanδ가 0.04 이상 0.10 이하의 범위 내가 되는 사이드 고무에 의하여 형성되고,
상기 사이드 고무 또는 림 쿠션 고무와, 상기 카커스의 상기 감아올림부와의 사이에는, 20℃에서의 JIS 경도가 70 이상 85 이하의 범위 내에서, 60℃에서의 tanδ가 0.06 이상 0.12 이하의 범위 내의 고무로 이루어지는 사이드 보강층이 배설되어 있고,
상기 사이드 보강층은, 두께가 0.5mm 이상 2.0mm 이하의 범위 내에서 형성되고, 상기 타이어 최대 폭 위치를 포함하는 위치에 배치되어 있는,
것을 특징으로 하는 공기입 타이어. - 제1항에 있어서,
상기 보강층은, 상기 보강층의 상기 외측 단부와 상기 비드 필러의 상기 외측 단부와의 거리가 5mm 이상 15mm 이하의 범위 내인 공기입 타이어. - 제1항 또는 제2항에 있어서,
상기 보강층은, 스틸로 이루어지는 보강 코드를 가지고,
상기 보강 코드는, 선재(線材)의 지름이 0.20mm 이상 0.30mm 이하의 범위 내이고,
상기 보강층은, 50mm당의 상기 보강 코드의 주입 개수가 35개 이상 45개 이하의 범위 내인 공기입 타이어. - 제1항 또는 제2항에 있어서,
상기 보강층은, 20℃에서의 JIS 경도가 85 이상 95 이하의 범위 내에서, 60℃에서의 tanδ가 0.12 이상 0.20 이하의 범위 내의 고무에 의하여 형성되는 공기입 타이어. - 제1항 또는 제2항에 있어서,
상기 비드 필러는, 상기 공기입 타이어의 자오 단면에 있어서의 단면적이 110mm2 이상 160mm2 이하의 범위 내인 공기입 타이어. - 제1항 또는 제2항에 있어서,
상기 트레드부는, 트레드면을 형성하는 캡 고무와, 상기 캡 고무의 타이어 경방향 내측에 위치하는 베이스 고무를 가지고,
상기 베이스 고무는, 20℃에서의 JIS 경도가 75 이상 81 이하의 범위 내에서, 60℃에서의 tanδ가 0.14 이상 0.22 이하의 범위 내인 공기입 타이어. - 제1항 또는 제2항에 있어서,
상기 사이드 고무는, 두께의 최소치 Dm이 1.0mm≤Dm≤3.5mm의 범위 내인 공기입 타이어. - 삭제
- 제1항 또는 제2항에 있어서,
상기 타이어 단면 높이는, 110mm 이상 170mm 이하의 범위 내이고,
편평비가 55 이상인 공기입 타이어.
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| PCT/JP2018/005574 WO2018193700A1 (ja) | 2017-04-17 | 2018-02-16 | 空気入りタイヤ |
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| KR102194785B1 (ko) * | 2019-04-15 | 2020-12-24 | 한국타이어앤테크놀로지 주식회사 | 보강재를 구비한 공기압 타이어 |
| JP7496673B2 (ja) | 2019-07-25 | 2024-06-07 | 株式会社ブリヂストン | タイヤ・ホイール組立体及びタイヤ |
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| JP2018177067A (ja) | 2018-11-15 |
| CN110505965A (zh) | 2019-11-26 |
| KR20190077462A (ko) | 2019-07-03 |
| DE112018002044T5 (de) | 2020-01-16 |
| US20200047562A1 (en) | 2020-02-13 |
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