KR20090053380A - Heavy duty vehicle tire improved belt member with helical winding coil - Google Patents

Heavy duty vehicle tire improved belt member with helical winding coil Download PDF

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Publication number
KR20090053380A
KR20090053380A KR1020070120215A KR20070120215A KR20090053380A KR 20090053380 A KR20090053380 A KR 20090053380A KR 1020070120215 A KR1020070120215 A KR 1020070120215A KR 20070120215 A KR20070120215 A KR 20070120215A KR 20090053380 A KR20090053380 A KR 20090053380A
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KR
South Korea
Prior art keywords
belt layer
belt
cord
helical
coil
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KR1020070120215A
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Korean (ko)
Inventor
천윤창
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한국타이어 주식회사
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Application filed by 한국타이어 주식회사 filed Critical 한국타이어 주식회사
Priority to KR1020070120215A priority Critical patent/KR20090053380A/en
Priority to EP08166675A priority patent/EP2062722B1/en
Priority to DE602008004867T priority patent/DE602008004867D1/en
Priority to US12/290,276 priority patent/US8075718B2/en
Priority to CN2008101683950A priority patent/CN101439590B/en
Publication of KR20090053380A publication Critical patent/KR20090053380A/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
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/48—Tyre cords
    • 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
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C2009/1871—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers with flat cushions or shear layers between belt layers
    • 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
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C2009/2035—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel built-up by narrow strips

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

Abstract

본 발명은 중하중 차량용 타이어에 관한 것이다. 종래에 중하중 차량의 벨트부를 보강하기 위하여 하나의 코일을 헬리컬하게 와인딩하여 보강벨트를 설치하여서 된 타이어가 제공된 바 있다. 이는 벨트 보강에 탁월한 효과를 가지나 광폭의 타이어에 한가닥의 코일을 감는데 지나치게 많은 시간이 소요되는 결점이 있었다. 이에, 제작의 편리를 위하여 다수의 코드를 결합하여서 된 벨트 스트립을 헬리컬하게 감아 벨트층을 보강하는 기술이 제공된 바 있으나 이는 벨트스트립의 양 끝단에 절단부가 넓게 형성되는 결점이 있다. 이에 본 발명은 여러 가닥의 코드를 동시에 헬리컬하게 감아 제작 시간을 단축시키면서, 나아가, 각 가닥의 와인딩 시작점을 서로 달리함으로서 각 코일의 시작점과 끝단을 이격시키어 코일끝단의 응력을 분산시킬 수 있게 한 벨트부 보강 타이어를 제공할 수 있게 한 것임.The present invention relates to a tire for a heavy load vehicle. Conventionally, tires have been provided by installing a reinforcing belt by helically winding one coil to reinforce a belt part of a heavy load vehicle. This has an excellent effect on belt reinforcement but has the drawback of taking too much time to wind a single coil on a wide tire. Thus, for the convenience of fabrication, there has been provided a technique for reinforcing the belt layer by helically winding a belt strip formed by combining a plurality of cords, but this has a drawback in that cutting portions are widely formed at both ends of the belt strip. Accordingly, the present invention reduces the production time by helically winding cords of several strands at the same time, and further, by varying the winding starting point of each strand to separate the starting point and the end of each coil to distribute the stress at the end of the coil. To provide secondary reinforcement tires.

중하중차량용 타이어, 보강벨트, 헬리컬 와인딩. Heavy duty tires, reinforcement belts and helical windings.

Description

중하중 차량용 타이어 및 그의 제조 방법{Heavy Duty Vehicle Tire improved Belt Member With Helical Winding Coil}Heavy Duty Vehicle Tire improved Belt Member With Helical Winding Coil}

본 발명은 중하중 차량용 타이어에 관한 것으로, 특히, 벨트부가 코일을 헬리컬하게 감아서 되는 보강벨트층을 가지는 타이어와 그 제조 방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heavy duty vehicle tire, and more particularly, to a tire having a reinforcing belt layer in which a belt part is wound helically around a coil and a method of manufacturing the same.

중하중 차량에 있어서는 플랫폼의 높이를 낮추기 위하여 타이어의 외경을 줄이려는 노력이 있으며, 또한 하중을 감소시키기 위하여 복륜 취부타이어 구조를 단륜 취부 타이어 구조로 변경하려는 노력이 계속되고 있다. 그런데, 이러한 기술이 달성되기 위해서는 타이어의 트레드부가 특히 강해서 공기압에 의하여 팽창된 타이어가 트레드부위에서 볼록한 현상을 일으키지 않아야 한다는 트레드부 보강기술이 필요하게 된다.In heavy load vehicles, efforts have been made to reduce the outer diameter of the tire in order to reduce the height of the platform, and efforts have been made to change the double-wheel mounting tire structure to a single-wheel mounting tire structure in order to reduce the load. However, in order to achieve such a technique, a tread portion reinforcement technique is required that the tread portion of the tire is particularly strong so that the tire inflated by air pressure does not cause convex phenomenon at the tread portion.

이러한 트레드부 보강을 위하여 미국 특허 제6,367,527호는 첨부된 도면 도3의 (가)에 도시된 바와 같이, 중하중 차량 타이어의 보강벨트부가 하나의 코일을 헬리컬하게 와인딩하여서 되는 보강벨트층을 가지는 타이어를 제공하고 있다. 그러 나, 이는 벨트 보강에는 탁월한 효과를 가지나 광폭의 타이어에 코일을 감는데 지나치게 많은 시간이 소요되어 제조비용을 앙등시키는 결점이 있었다. For the reinforcement of the tread portion, US Pat. No. 6,367,527 is a tire having a reinforcing belt layer in which the reinforcing belt portion of a heavy load vehicle tire is helically wound around one coil, as shown in FIG. Providing. However, this has an excellent effect on belt reinforcement, but it has the drawback that it takes too much time to wind the coils on wide tires and raises manufacturing costs.

이에, 제작의 편리를 위하여, 첨부된 도면 도3의 (나)에 도시된 바와 같이. 다수의 코드를 결합하여서 된 벨트 스트립을 헬리컬하게 감아 벨트층을 보강하는 기술이 미국 특허 제2005/0126674-A1으로 제공된 바 있다. 그러나 이는 벨트스트립의 양 끝단에 절단부가 넓게 형성되어 이 절단부에 응력이 집중되고 그리하여 타이어 파손의 염려를 제공하는 결점이 있다.Thus, for convenience of manufacture, as shown in (b) of FIG. A technique for reinforcing a belt layer by helically winding a belt strip formed by combining a plurality of cords has been provided in US 2005 / 0126674-A1. However, this has the drawback that a wide cut is formed at both ends of the belt strip so that stress is concentrated at the cut, thereby providing a fear of tire breakage.

이에 본 발명은 보강벨트층에 코드를 헬리컬하게 감아 벨트층이 헬리컬벨트층을 가지게 하면서도, 코드를 헬리컬하게 감는 시간을 단축시켜야 한다는 과제를 해결하며, 나아가, 헬리컬하게 감기는 코드의 시작과 끝에 응력이 집중되어 벨트부에 크랙이 발생되는 폐단을 일으키지 아니하여야 한다는 과제를 해결하고자 하는 것이다.Accordingly, the present invention solves the problem that the helical belt layer has a helical belt layer by helically winding the cord on the reinforcing belt layer, while solving the problem of shortening the helical winding time. This is to solve the problem that the concentration should not cause the closed end of the crack in the belt portion.

이에 본 발명은 보강벨트층에 코드를 헬리컬하게 감아 벨트층이 헬리컬벨트층을 가지게 하되, 한가닥의 코드를 감지 아니하고, 3~5개의 여러 가닥 코드를 동시에 감음으로서, 코드를 헬리컬하게 감는 시간을 단축시켜 제조를 용이하게 하며, 나아가, 헬리컬하게 감기는 코드의 시작과 끝에 응력이 집중되어 벨트부에 크랙이 발생되는 폐단을 일으키지 아니하도록, 감는 여러 가닥 코드의 시작점과 끝점을 서로 달리함으로서 각 코일의 시작점과 끝단을 이격시키어 코일 끝단에의 응력이 집중되지 아니하게 하였다.In the present invention, the cord is helically wound around the reinforcing belt layer, so that the belt layer has a helical belt layer, but without detecting one strand of cord, by simultaneously winding three to five strands of cords, the time for helically winding the cord is shortened. To facilitate the manufacture of the coil, and furthermore, to prevent the stress from being concentrated at the beginning and the end of the helically wound cord, causing cracks in the belt part, the starting and ending points of the various strand cords are different from each other. The starting point and the end were spaced apart so that the stress on the coil end was not concentrated.

이와 같은 본 발명은, 보강벨트층에 코드를 헬리컬하게 감아 벨트층이 헬리컬벨트층을 가지게 하여 중하중 차량용 타이어가 요구하는 벨트층 보강을 효과적으 로 수행하면서도, 한가닥의 코드를 감지 아니하고, 3~5개의 여러 가닥 코드를 동시에 감음으로서, 코드를 헬리컬하게 감는 시간을 단축시켜 제조를 용이하게 하는 효과가 있으며, 나아가, 헬리컬하게 감기는 여러 코드의 시작점과 끝점을 서로 달리함으로서 각 코일의 시작점과 끝단을 이격시키어 코일 끝단에의 응력이 집중되지 아니하게 하여 타이어의 수명이 단축되는 결점을 해소하는 효과가 있다.In the present invention, the cord is helically wound around the reinforcing belt layer so that the belt layer has a helical belt layer, thereby effectively performing the belt layer reinforcement required by the heavy-duty vehicle tire, but not detecting a single cord. By winding five different strands simultaneously, it is possible to shorten the time for helical winding of the cord to facilitate the manufacture, and furthermore, to start and end each coil by varying the start and end points of the helically wound cords. There is an effect of eliminating the drawback of shortening the life of the tire by separating the stress so that the stress on the coil end is not concentrated.

양측 비드부(1) 사이를 카카스(2)로 연결하여 골격을 형성시키고, 형성되는 골격에 트레드부(3)와 사이드월(4)을 형성시키며, 카카스(2)와 트레드부(3) 사이에 보강벨트층(5)을 형성시킴에 있어서, 본 발명은 보강벨트층(5)을 구성하는 벨트층 중 하나 이상의 벨트층이, 코드(60)를 헬리컬하게 감아 형성되는 헬리컬벨트층(6)을 가지게 하되, 헬리컬벨트층(6)을 형성시킴에 있어서, 벨트층에 한가닥의 코드를 감아 헬리컬 벨트층을 형성시키지 아니하고, 3~5개의 여러 가닥 코드(61, 62, 63)를 동시에 감아 헬리컬 벨트층(6)을 형성시키는 것을 특징으로 한다. A skeleton is formed by connecting the two bead portions 1 with a carcass 2, and a tread portion 3 and a sidewall 4 are formed in the formed skeleton, and the carcass 2 and the tread portion 3 are formed. In forming the reinforcing belt layer (5) between the), the present invention is a helical belt layer formed of one or more belt layers of the belt layer constituting the reinforcing belt layer (5) helically wound cord (60) 6), but in forming the helical belt layer (6), three to five different strand cords (61, 62, 63) are wound at the same time without winding one strand of cord around the belt layer to form a helical belt layer. It is characterized by forming the helical belt layer 6 to be wound.

본 발명은 이에서 나아가, 헬리컬하게 감기는 여러 코드(61, 62, 63)의 시작점과 끝점을 서로 달리함으로서 각 코일의 시작점과 끝단을 이격시키어 코일 끝단에 응력이 집중되지 아니하게 한다.The present invention further extends the starting point and the end point of the various helically wound cords 61, 62, and 63 so that the stresses are not concentrated at the coil ends.

이와 같이 코드를 헬리컬하게 감아 헬리컬벨트층(6)을 형성시킴에 있어서는 각 코드와 코드 사이 및 상하의 다른 벨트층과 코드의 결합 안정성을 향상시키기 위하여 헬리컬벨트층(6)위에 별도의 러버시트(7)를 설치하는 것이 바람직하다.Thus, in forming the helical belt layer 6 by winding the cord helically, a separate rubber seat 7 is placed on the helical belt layer 6 to improve the coupling stability between the cord and the other belt layers and cords above and below the cord. ) Is preferable.

도1은 본 발명의 일 실시예의 요부 발췌 단면도1 is a cross-sectional view of the main portion of an embodiment of the present invention

도2는 본 발명의 요부 절취 사시도Figure 2 is a perspective view of the main portion of the present invention cut

도3은 타이어의 벨트부에 코드를 와인딩하는 상태 예시 설명도로서,3 is an exemplary diagram illustrating a state in which a cord is wound on a belt part of a tire;

(가)는 한가닥의 코드를 헬리컬하게 와인딩하는 상태 설명도(A) State explanatory diagram helically winding a strand of code

(나)는 다수의 코드를 결합하여서 된 벨트 스트립을 헬리컬하게 와인딩하여 벨트층을 보강하는 상태 설명도.(B) is a state explanatory diagram of reinforcing a belt layer by helically winding a belt strip formed by combining a plurality of cords.

(다)는 다수의 코드를 동시에 감아 헬리컬 벨트층을 형성시키는 상태 설명도. (C) is a state explanatory drawing which winds a number of cords simultaneously and forms a helical belt layer.

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

1. 비드부1. Bead part

2. 카카스2. Carcass

3. 트레드부3. Tread section

4. 사이드월4. Sidewall

5. 보강벨트층5. Reinforcement belt layer

6. 헬리컬벨트층6. Helical belt layer

60, 61, 62, 63. 코드60, 61, 62, 63. Code

7.러버 시트7.rubber seat

Claims (6)

양측 비드부 사이를 카카스로 연결하여 골격을 형성시키고, 형성되는 골격에 트레드부와 사이드월을 형성시키며, 카카스와 트레드부 사이에 보강벨트층을 형성시킴에 있어서, 보강벨트층을 구성하는 벨트층 중 하나 이상의 벨트층이, 코드를 헬리컬하게 감아 형성되는 헬리컬벨트층으로 형성시키되, 헬리컬벨트층을 형성시킴에 있어서, 여러 가닥의 코드를 동시에 감아 헬리컬 벨트층을 형성시키는 것을 특징으로 하는 중하중 차량용 타이어의 제조 방법.A belt constituting the reinforcing belt layer in connecting the two bead portions with a carcass to form a skeleton, forming a tread portion and a sidewall in the formed skeleton, and forming a reinforcing belt layer between the carcass and the tread portion. At least one belt layer of the layer is formed of a helical belt layer formed by winding the cord helically, in forming the helical belt layer, a heavy load characterized in that to form a helical belt layer by simultaneously winding several strands of cord Method for manufacturing a vehicle tire. 제1항에 있어서, 헬리컬 벨트층을 형성시키는 코드는 3~5개 가닥인 것을 특징으로 하는 중하중 차량용 타이어의 제조 방법.The method for manufacturing a heavy-duty vehicle tire according to claim 1, wherein the cord for forming the helical belt layer is 3 to 5 strands. 제1항 또는 제2항에 있어서, 헬리컬하게 감기는 여러 가닥의 코드는 시작점과 끝점을 서로 달리함으로서 각 코일의 시작점과 끝단을 이격시키어 제조함을 특징으로 하는 중하중 차량용 타이어의 제조 방법.The method of manufacturing a heavy-duty vehicle tire according to claim 1 or 2, wherein the cords of the helical windings are manufactured by separating the starting point and the end of each coil by varying the starting point and the end point. 양측 비드부와, 양측 비드부 사이를 연결하여 골격을 형성시키는 카카스와, 비드부와 카카스로 형성되는 골격에 트레드부와 사이드월이 설치되며, 카카스와 트레드부 사이에 보강벨트층을 가지며, 보강벨트층을 구성하는 벨트층 중 하나 이상의 벨트층이 코드를 헬리컬하게 감아 형성되는 헬리컬벨트층으로 형성된 것에 있어서, 헬리컬벨트층이 여러 가닥의 코드를 동시에 감아서 된 것임을 특징으로 하는 중하중 차량용 타이어.Carcass that connects the bead part and both bead parts to form a skeleton, and a tread part and sidewalls are provided in the skeleton formed of the bead part and the carcass, and has a reinforcing belt layer between the carcass and the tread part, One or more belt layers of the belt layers constituting the reinforcing belt layer is formed of a helical belt layer formed by winding the cord helically, wherein the helical belt layer is formed by winding several strands of cord at the same time . 제4항에 있어서, 헬리컬 벨트층을 형성시키는 코드는 3~5개 가닥인 것을 특징으로 하는 중하중 차량용 타이어.The heavy duty vehicle tire according to claim 4, wherein the cord forming the helical belt layer is 3 to 5 strands. 제4항 또는 제5항에 있어서, 헬리컬하게 감기는 여러 가닥의 코드는 시작점과 끝점을 서로 달리함으로서 각 코일의 시작점과 끝단이 이격되어 구성된 것을 특징으로 하는 중하중 차량용 타이어.The heavy-duty vehicle tire according to claim 4 or 5, wherein the cord of the helically wound strands is spaced apart from the start point and the end of each coil by varying the start point and the end point.
KR1020070120215A 2007-11-23 2007-11-23 Heavy duty vehicle tire improved belt member with helical winding coil KR20090053380A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020070120215A KR20090053380A (en) 2007-11-23 2007-11-23 Heavy duty vehicle tire improved belt member with helical winding coil
EP08166675A EP2062722B1 (en) 2007-11-23 2008-10-15 Manufacturing method for heavy-duty pneumatic tyre and heavy-duty pneumatic tyre
DE602008004867T DE602008004867D1 (en) 2007-11-23 2008-10-15 Manufacturing method for heavy duty pneumatic tires and heavy duty pneumatic tires
US12/290,276 US8075718B2 (en) 2007-11-23 2008-10-28 Manufacturing method for heavy-duty pneumatic tire and tire manufactured by the same
CN2008101683950A CN101439590B (en) 2007-11-23 2008-10-30 Manufacturing method for heavy-duty pneumatic tire and tire manufactured by the same

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US20110086224A1 (en) * 2009-10-13 2011-04-14 E.I. Du Pont De Nemours And Company Sheet and Method of Making Sheet for Support Structures and Tires
CN102275319A (en) * 2011-08-31 2011-12-14 中橡集团曙光橡胶工业研究设计院 Oblique engineering tire forming process
JP6718334B2 (en) * 2016-08-17 2020-07-08 株式会社ブリヂストン Pneumatic tire
CN109866556A (en) * 2017-12-04 2019-06-11 正新橡胶工业股份有限公司 A kind of tire of wound form steel wire zonary structure
CN113246517B (en) * 2021-05-12 2022-06-10 山东新豪克轮胎有限公司 Tyre belt winding process

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US5547005A (en) * 1991-11-05 1996-08-20 Sumitomo Rubber Industries, Ltd. Radial tire with enhanced bead durability
BR0211246B1 (en) * 2001-07-19 2011-09-06 tire for motor vehicles, and, method for producing a tire.

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