KR100622591B1 - Run-flat tire - Google Patents

Run-flat tire Download PDF

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Publication number
KR100622591B1
KR100622591B1 KR1020040093273A KR20040093273A KR100622591B1 KR 100622591 B1 KR100622591 B1 KR 100622591B1 KR 1020040093273 A KR1020040093273 A KR 1020040093273A KR 20040093273 A KR20040093273 A KR 20040093273A KR 100622591 B1 KR100622591 B1 KR 100622591B1
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KR
South Korea
Prior art keywords
bead
bead filler
sidewall
filler
sidewalls
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Application number
KR1020040093273A
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Korean (ko)
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KR20060054656A (en
Inventor
이창민
Original Assignee
한국타이어 주식회사
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Priority to KR1020040093273A priority Critical patent/KR100622591B1/en
Priority to CNB200510123276XA priority patent/CN100436167C/en
Publication of KR20060054656A publication Critical patent/KR20060054656A/en
Application granted granted Critical
Publication of KR100622591B1 publication Critical patent/KR100622591B1/en

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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
    • B60C15/02—Seating or securing beads on rims
    • 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
    • B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
    • 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
    • B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
    • B60C15/0027—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with low ply turn-up, i.e. folded around the bead core and terminating at the bead core
    • 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
    • B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
    • B60C15/0072—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with ply reverse folding, i.e. carcass layer folded around the bead core from the outside to the inside
    • 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
    • B60C15/02—Seating or securing beads on rims
    • B60C15/0209—Supplementary means for securing the bead
    • 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
    • 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
    • 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
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
    • 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
    • B60C2015/0625—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 provided at the terminal edge portion of a carcass or reinforcing layer

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

본 발명은 비드필러의 구조를 개선하여 급선회 동작시 비드부가 림으로부터 이탈되는 것을 방지하고, 사이드월의 강성증대로 인한 승차감의 저하를 방지할 수 있게 하는 펑크 대비용 공기입 타이어에 관한 것이다.The present invention relates to a puncture prepared pneumatic tire that improves the structure of the bead filler to prevent the bead portion from rim during sharp turning operation, and to prevent the deterioration of ride comfort due to increased rigidity of the sidewall.

종래 펑크대비용 타이어는 사이드월의 내부에 설치되는 보강고무로 인하여 사이드월부(2)의 강성이 필요이상으로 강해 노면으로부터 사이드월(2)부를 통하여 전가되는 충격이 사이드월(2)부에서 완충되지 못하고 그대로 차량에 전가되어 승차감과 조종안정성이 매우 불량해지는 문제점이 있었던 바, 본 발명은 트래드(1)와 사이드월(2) 및 비드부(3)로 구성되고, 트래드(1)와 사이드월(2) 및 비드부(3)에 걸쳐 카카스(4)가 설치되며, 상기 사이드월(2)의 내측에 보강고무(5)가 설치되고, 상기 비드부(3)가 다수의 와이어가 권회되는 비드코아(30)와 비드코아(30)의 상부에 설치되는 비드필러(31)로 구성되는 것에 있어서, 상기 비드필러(31)가 비드코아(30)의 상부에 설치되는 제1비드필러(311)와, 제 1비드필러(311)의 외측에 설치되고 림플랜지(61)의 상부에 위치되는 제 2비드필러(312)와, 제 2 비드플러(312)의 상부에 설치되는 제 3비드필러(313)로 구성됨으로써, 급선회 동작시 비드부가 림으로부터 분리 이탈되는 것을 방지하여 대형사고로 이어지는 것을 미연에 예방할 수 있는 효과와 아울러 사이드월의 강성증대로 인한 승차감의 저하를 방지할 수 있는 효과가 있는 것임.Conventional puncture expensive tires are more rigid than necessary due to the reinforcement rubber installed inside the sidewalls, so that the shock transmitted from the road surface to the sidewalls 2 is absorbed in the sidewalls 2. There is a problem in that it is transferred to the vehicle as it is not, so that the ride comfort and steering stability is very poor, the present invention is composed of a tread (1), a sidewall (2) and a bead (3), the tread (1) and the sidewall Carcass 4 is provided over (2) and bead portion 3, reinforcement rubber 5 is provided inside the sidewall 2, and the bead portion 3 is wound around a plurality of wires. In the bead core 30 and the bead filler 31 is provided on the top of the bead core 30, the bead filler 31 is the first bead filler is installed on the top of the bead core (30) 311 and an agent provided outside the first bead filler 311 and positioned above the rim flange 61. The second bead filler 312 and the third bead filler 313 installed on the upper portion of the second bead plug 312 prevents the bead from being separated from the rim during sharp turning operation, leading to a large accident. In addition to the effects that can be prevented in addition to the increase in the rigidity of the sidewall, it is also effective to prevent the deterioration of ride comfort.

Description

펑크 대비용 공기입 타이어{Run-flat tire} Run-flat tire for puncture preparation             

도 1 은 종래에 있어서의 펑크 대비용 타이어를 도시한 단면도1 is a cross-sectional view showing a conventional tire for puncture preparation

도 2 는 본 발명에 따른 펑크 대비용 타이어를 도시한 단면도 Figure 2 is a cross-sectional view showing a puncture prepared tire according to the present invention

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

1. 트래드부 2. 사이드월부1. Tread part 2. Side wall part

3. 비드부 4. 카카스3. Bead part 4. Carcass

5. 보강고무 6. 림5. Reinforcement rubber 6. Rim

30. 비드코아 31. 비드필러 30. Beadcore 31. Bead filler

본 발명은 사이드월부의 강성을 보강하여 타이어 펑크 시에도 일정한 속도로 주행을 이룰 수 있게 하는 펑크 대비용 타이어에 관한 것으로서, 더욱 상세하게는 비드필러의 구조를 개선하여 사이드월의 강성증대로 인한 승차감의 저하를 방지할 수 있게 하고, 급선회 동작시 비드부가 림으로부터 이탈되는 것을 방지할 수 있게 하는 펑크 대비용 공기입 타이어에 관한 것이다.The present invention relates to a puncture-ready tire that can reinforce the rigidity of the sidewall to achieve a constant speed even when the tire is punctured, and more particularly, to improve the structure of the bead filler, resulting in increased ride stiffness. The present invention relates to a puncture prepared pneumatic tire, which makes it possible to prevent deterioration of the bead and prevents the bead portion from being deviated from the rim during the sharp turning operation.

일반적으로 공기입 타이어는 타이어의 내부에 충전되는 공기압에 의하여 차량의 무게를 지탱하는 것으로서 타이어의 내부에 공기압이 존재하지 않게 되면 타이어의 내부면이 림에 밀착된 상태에서 주행할 수밖에 없다.In general, the pneumatic tire supports the weight of the vehicle by the air pressure filled in the tire, and when there is no air pressure inside the tire, the tire has to run in a state where the inner surface of the tire is in close contact with the rim.

이와 같은 상태에서 무리하게 주행을 하게 되면 타이어의 사이드월부가 파손되어 펑크를 수리한다 하더라도 더 이상 타이어로써 기능을 발휘하지 못하게 되는 것이다.If you drive excessively in this state, even if the sidewall of the tire is damaged and repair the puncture will no longer function as a tire.

이와 같은 문제점을 해결하기 위하여 종래에는 첨부된 도면 도 1 에 도시되는 바와 같이, 사이드월부(2)의 내측면에 보강고무(5)를 설치시켜 타이어의 내부에 공기압이 존재하지 않는 경우 타이어의 사이드월부(2)가 차량의 무게를 지탱할 수 있게 하는 것이 제공된 바 있다.In order to solve such a problem, conventionally, as shown in the accompanying drawings, the side of the tire is provided with a reinforcement rubber 5 on the inner side of the side wall part 2 so that there is no air pressure inside the tire. It has been provided for the wall part 2 to support the weight of the vehicle.

그러나 상기한 바와 같은 종래의 기술은 사이드월부(2)의 강성이 필요이상으로 강하여 노면으로부터 사이드월(2)부를 통하여 전가되는 충격이 사이드월(2)부에 서 완충되지 못하고 비드필러와 비드코아를 거쳐 그대로 차량에 전가되어 승차감과 조종안정성이 매우 불량한 문제점이 있는 것이다. However, in the conventional technique as described above, the stiffness of the side wall portion 2 is stronger than necessary so that the impact transmitted from the road surface through the side wall portion 2 is not buffered in the side wall portion 2, and the bead filler and the bead core Passed through the vehicle as it is through the ride comfort and steering stability is very poor.

또한 모든 하중이 비드베이스면(32)에 집중됨에 따라 비드부(3)가 림(6)에 견고하게 밀착되지 못하여 급선회 동작시 비드부(3)가 림(6)으로부터 이탈되어 대형사고로 이어지는 문제점이 있다.In addition, as all loads are concentrated on the bead base surface 32, the bead part 3 is not firmly adhered to the rim 6, so that the bead part 3 is separated from the rim 6 during a sharp turning operation, leading to a large accident. There is a problem.

본 발명은 상기한 바와 같은 종래의 문제점을 해결하기 위한 것으로, 본 발명은 비드필러의 구조를 개선하여 사이드월의 강성증대로 인한 승차감의 저하를 방지하고, 급선회 동작시 비드부가 림으로부터 이탈되는 것을 방지할 수 있게 하는 펑크 대비용 공기입 타이어를 제공함에 그 목적이 있다.The present invention is to solve the conventional problems as described above, the present invention is to improve the structure of the bead filler to prevent the deterioration of the ride feeling due to the increased rigidity of the side wall, and that the bead portion is separated from the rim during sharp turning operation It is an object of the present invention to provide a pneumatic tire for puncture preparation which can be prevented.

본 발명은 상기와 같은 목적을 달성하기 위해서 다음과 같이 구성된다. 본 발명은 트래드와 사이드월 및 비드부로 구성되고, 트래드부와 사이드월 및 비드부에 걸쳐 카카스가 설치되며, 상기 사이드월의 내측에 보강고무가 설치되고, 상기 비드부가 다수의 와이어가 권회되는 비드코아와 비드코아의 상부에 설치되는 비드필러로 구성되는 것에 있어서, 상기 비드필러를 비드코아의 상부에 설치되는 제1비드필러와, 제1비드필러의 외측에 설치되고 림플랜지의 상부에 위치되는 제 2비드필러와, 제 2 비드플러의 상부에 설치되는 제 3비드필러로 구성시켜 된 것에 특징을 둔 것이다.The present invention is configured as follows to achieve the above object. The present invention is composed of a tread, a sidewall and a bead portion, carcass is installed over the tread portion, the sidewall and the bead portion, reinforcement rubber is installed inside the sidewall, the bead portion is wound a plurality of wires In the bead core and the bead filler is installed on the top of the bead core, the bead filler is installed on the top of the bead core, and the first bead filler is installed on the outside of the first bead filler and located on the upper portion of the rim flange The second bead filler, and the third bead filler is provided on the upper portion of the second bead plug.

이하에서는 첨부 도면을 참조하여 본 발명의 바람직한 실시 예를 상세히 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

첨부된 도면 도 2 는 본 발명에 따른 펑크 대비용 타이어를 도시한 단면도이다. 2 is a cross-sectional view illustrating a puncture-ready tire according to the present invention.

도 2 에 도시된 바와 같이, 본 발명은 트래드(1)와 사이드월(2) 및 비드부(3)로 구성되고, 트래드(1)와 사이드월(2) 및 비드부(3)에 걸쳐 카카스(4)가 설치되며, 상기 사이드월(2)의 내측에 보강고무(5)가 설치되고, 상기 비드부(3)가 다수의 와이어가 권회되는 비드코아(30)와 비드코아(30)의 상부에 설치되는 비드필러(31)로 구성되는 것에 있어서, 상기 비드필러(31)가 비드코아(30)의 상부에 설치되는 제1비드필러(311)와, 제 1비드필러(311)의 외측에 설치되고 림플랜지(61)의 상부에 위치되는 제 2비드필러(312)와, 제 2 비드플러(312)의 상부에 설치되는 제 3비드필러(313)로 구성되는 것이다.As shown in FIG. 2, the present invention consists of a tread 1, a sidewall 2, and a bead part 3, and the car is spread over the tread 1, the sidewall 2, and the bead part 3. A casing 4 is installed, a reinforcement rubber 5 is installed inside the sidewall 2, and the bead part 3 and the bead core 30 in which the bead part 3 is wound around a plurality of wires. In the bead filler 31 is provided on the upper portion of the bead filler 31, the first bead filler 311 and the first bead filler 311 is installed on the top of the bead core 30 The second bead filler 312 is installed on the outside and positioned on the upper portion of the rim flange 61, and the third bead filler 313 is installed on the upper portion of the second bead plug 312.

그리고 카카스(4)가 제 1비드필러(311)를 턴업하여 제 2비드필러(312)의 외측면에서 내측면으로 턴업되고, 제 2 비드필러(312)에 턴업된 카카스(4)의 단부가 제 1 비드필러(311)의 내측에 위치되도록 구성되는 것이다.Then, the carcass 4 turns up the first bead filler 311 to turn up from the outer surface of the second bead filler 312 to the inner surface of the carcass 4 turned up by the second bead filler 312. The end is configured to be located inside the first bead filler 311.

이와 같이 구성되는 본 발명은 비드필러(31)가 다수개로 형성되고, 특히 제 2비드필러(312)와 제 3비드필러(313)가 림플랜지(61)의 상부에 위치됨에 따라 사이드월(2)을 통하여 비드부(3)에 전달되는 하중과 충격이 제 3비드필러(313)와 제 2 비드필러(312)를 거쳐 림플랜지(61)에 전달되어 하중과 충격을 분산시킬 수 있어 승차감을 향상시키고 카카스 턴업 구조에 의한 카카스 장력 조절에 의해 비드베이스(32)와 림(6)과의 결합력을 증대시켜 급선회 동작시 비드부(3)가 림(6)으로부터 이탈 분리되는 것을 방지할 수 있는 것이다.In the present invention configured as described above, a plurality of bead fillers 31 are formed, and in particular, the second bead filler 312 and the third bead filler 313 are positioned on the upper side of the rim flange 61. The load and the impact transmitted to the bead part 3 through) are transmitted to the rim flange 61 through the third bead filler 313 and the second bead filler 312 to disperse the load and impact so that the riding comfort Improves the coupling force between the bead base 32 and the rim 6 by adjusting the carcass tension by the carcass turn-up structure to prevent the bead portion 3 from being separated from the rim 6 during the sharp turning operation. It can be.

본 발명은 전술한 실시 예에 국한되지 않고 본 발명의 기술사상이 허용하는 범위 내에서 다양하게 변형하여 실시할 수가 있다.The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the technical idea of the present invention.

이상에서와 같이 본 발명에 따르면 타이어의 카카스 턴업 구조로 인안 카카스 장력에 의해 급선회 동작시 비드부가 림으로부터 분리 이탈되는 것을 방지하여 대형사고로 이어지는 것을 미연에 예방할 수 있는 효과와 아울러 강성이 강한 사이드월을 통하여 전달되는 하중과 충격이 다수개로 분할되고 넓은 지역으로 분산 설치된 각각의 비드필러에 의해 흡수 완충됨에 따라 사이드월의 강성증대로 인한 승차감의 저하를 방지할 수 있는 효과가 있는 것이다.





As described above, according to the present invention, the carcass turn-up structure of the tire prevents the bead from being separated from the rim during the sharp turning operation due to the phosphorus carcass tension, thereby preventing the lead to a large accident in advance and having a strong rigidity. As the load and impact transmitted through the sidewalls are divided into a plurality of parts and absorbed and buffered by each bead filler installed in a wide area, there is an effect of preventing the deterioration of ride comfort due to the increased rigidity of the sidewalls.





Claims (2)

삭제delete 트래드(1)와 사이드월(2) 및 비드부(3)로 구성되고, 트래드(1)와 사이드월(2) 및 비드부(3)에 걸쳐 카카스(4)가 설치되며, 상기 사이드월(2)의 내측에 보강고무(5)가 설치되고, 상기 비드부(3)가 다수의 와이어가 권회되는 비드코아(30)와 비드코아(30)의 상부에 설치되는 비드필러(31)로 구성되는 것에 있어서, 상기 비드필러(31)가 비드코아(30)의 상부에 설치되는 제1비드필러(311)와, 제 1비드필러(311)의 외측에 설치되고 림플랜지(61)의 상부에 위치되는 제 2비드필러(312)와, 제 2 비드플러(312)의 상부에 설치되는 제 3비드필러(313)로 구성되고, 상기 카카스(4)가 제 1비드필러(311)를 턴업하여 제 2비드필러(312)의 외측면에서 내측면으로 턴업되고, 제 2 비드필러(312)에 턴업된 카카스(4)의 단부가 제 1 비드필러(311)의 내측에 위치되도록 구성되는 것을 특징으로 하는 펑크 대비용 공기입 타이어.Comprising a tread (1), a sidewall (2) and a bead portion (3), carcass (4) is provided over the tread (1), sidewall (2) and bead portion (3), the sidewall Reinforcement rubber 5 is installed inside (2), and the bead part 3 is a bead filler 31 is installed on the top of the bead core 30 and the bead core 30 is wound a plurality of wires. In the configuration, the bead filler 31 is provided on the top of the bead core 30, the first bead filler 311, the outer side of the first bead filler 311, the upper portion of the rim flange 61 And a second bead filler 312 disposed at an upper portion of the second bead filler 312, and the carcass 4 is formed of a first bead filler 311. Turned up and turned up from the outer surface of the second bead filler 312 to the inner surface, the end of the carcass 4 turned up in the second bead filler 312 is configured to be located inside the first bead filler 311 Punk characterized by Cost of the pneumatic tire.
KR1020040093273A 2004-11-15 2004-11-15 Run-flat tire KR100622591B1 (en)

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KR100942137B1 (en) * 2008-06-18 2010-02-16 금호타이어 주식회사 Run-flat tire
FR3014742B1 (en) 2013-12-12 2017-10-20 Michelin & Cie PNEUMATIC TIRE WITH RADIAL OR REINFORCED CROSSCASE
FR3014743B1 (en) * 2013-12-12 2017-07-21 Michelin & Cie PNEUMATIC TIRE WITH RADIAL OR REINFORCED CROSSCASE

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JPH02293207A (en) * 1989-05-01 1990-12-04 Toyo Tire & Rubber Co Ltd Pneumatic tire
JPH11301218A (en) 1998-04-15 1999-11-02 Yokohama Rubber Co Ltd:The Automotive pneumatic tire
JP2000118209A (en) * 1998-10-15 2000-04-25 Bridgestone Corp Pneumatic tire
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