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KR101014308B1 - Manufacturing method of automobile tire - Google Patents

Manufacturing method of automobile tire Download PDF

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Publication number
KR101014308B1
KR101014308B1 KR1020080121074A KR20080121074A KR101014308B1 KR 101014308 B1 KR101014308 B1 KR 101014308B1 KR 1020080121074 A KR1020080121074 A KR 1020080121074A KR 20080121074 A KR20080121074 A KR 20080121074A KR 101014308 B1 KR101014308 B1 KR 101014308B1
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KR
South Korea
Prior art keywords
tire
manufacturing
carcass
green tire
tread
Prior art date
Application number
KR1020080121074A
Other languages
Korean (ko)
Other versions
KR20100062433A (en
Inventor
송홍기
Original Assignee
한국타이어 주식회사
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Priority to KR1020080121074A priority Critical patent/KR101014308B1/en
Publication of KR20100062433A publication Critical patent/KR20100062433A/en
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Publication of KR101014308B1 publication Critical patent/KR101014308B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/242—Drums for manufacturing substantially cylindrical tyre components without cores or beads, e.g. treads or belts
    • B29D30/243—Drums for manufacturing substantially cylindrical tyre components without cores or beads, e.g. treads or belts and with mechanisms for folding layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/30—Applying the layers; Guiding or stretching the layers during application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0681—Parts of pneumatic tyres; accessories, auxiliary operations
    • B29D2030/0682—Inner liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B29D2030/3221—Folding over means, e.g. bladders or rigid arms

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Tyre Moulding (AREA)
  • Tires In General (AREA)

Abstract

본 발명은 타이어 제조 방법에 관한 것으로 특히, 그린타이어를 제조하는 방법에 관한 것으로, 그린타이어를 제조하기 위한 카카스부재나 벨트부재 및 트레드부재 중 하나 이상의 부재는, 이웃 부재와의 접촉면에 돌출부를 형성시킴으로써, 이웃부재와의 접촉면에 형성된 돌출부가 이웃부재와의 결속을 완강하게 하여 이웃부재와의 사이에 미끄러짐이 발생하여 구성 부재에 쏠림이 일어나지 아니하게 함으로써, 유니포미티(Uniformity)저해로 인한 주행시의 진동을 감소시키며 소음의 발생을 감소시키고 이상 마모 현상을 감소시키어 승차감이 불량하게 되는 일을 방지하고 타이어의 수명이 단축되는 일을 방지하게 하는 것임.More particularly, the present invention relates to a method of manufacturing a green tire, in which at least one of a carcass member, a belt member and a tread member for manufacturing a green tire is provided with a protrusion on the contact surface with the neighboring member The protrusion formed on the contact surface with the neighboring member stiffens the binding with the neighboring member so that a slip occurs between the adjacent member and the component is prevented from being tilted so as to prevent uniformity It reduces vibration during driving, reduces noise generation, reduces abnormal wear, prevents bad ride quality, and prevents shortening of tire life.

타이어, 그린 타이어, 쏠림, 유니포미티, 돌출부 Tire, green tire, leaning, uniformity, protrusion

Description

자동차용 타이어 제조 방법{Vehicle tire manufacturing method}TECHNICAL FIELD The present invention relates to a vehicle tire manufacturing method,

본 발명은 자동차용 타이어의 제조 방법에 관한 것으로, 특히, 타이어의 제조 공정 중 그린타이어의 제조 방법에 관한것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method of manufacturing a tire for automobiles.

타이어를 제조하는 공정은 크게 그린타이어제조 공정과 그린타이어를 금형에 넣고 가열하면서 소기의 형태로 성형시키면서 고무 물성을 조절하는 가휴(가황)공정으로 나뉜다. The process of manufacturing tires is largely divided into a green tire manufacturing process and a vulcanization (vulcanizing) process in which a green tire is molded into a mold while heating it in a mold and molding the rubber into a desired shape.

그런데, 본 발명은 이러한 두개의 공정 중 그린타이어를 제조하는 공정에 관한 것이다.However, the present invention relates to a process for manufacturing green tires among these two processes.

그린타이어를 제조함에 있어서는, 드럼에 인너라이너고무층을 설치하고 그 위에 카카스층을 설치하며, 카카스층의 중앙 상부에 벨트층을 설치하고 벨트층 위에 서브트레드 고무층과 캡트레드고무층을 차례로 설치하고 서브트레ㅔ드와 캡트레드로 이루어지는 트레드공무층의 양측에 사이드월고무층을 설치하며 사이드월고무층의 외측에 비드코어와 비드필러로 되는 비드멤버를 설치한 후 카카스층의 양단을 턴엎시켜 비드부를 감싸고 비드부를 감싼 카카스 외측에 림쿠션고무를 설치하는 공정을 필요로 한다. 이와 같은 공정을 수행함에 있어서는 카카스층 위에 설치하는 벨트층이나 트레드고무층 및 사이드월 고무층 등이 설치하고자 하는 위치에 정착될 것이 필요하다. 그러나, 실제의 제조 공정에 있어서는, 카카스를 턴엎하여 비드부를 감싸는 공정에서는 카카스 양단부를 당기게 되고, 또, 그린타이어 제조 후 그린타이어를 가류하는 공정에서는 타이어 내부에 설치되는 브래더가 타이어 내부 중심을 외방으로 밀어 내는 등, 다수의 부재를 접합하여서된 그린 타이어의 특정 부위를 당기고 밀게 되므로, 타이어를 구성하고 있는 각 각의 부재들이 밀려 나가 쏠리는 현상이 발생되어 정위치를 벗어나는 일이 발생할 염려가 있다. 그런데, 이와 같이, 타이어를 구성하는 각 부재들이 정 위치를 벗어나게 되면 타이어의 유니포미티(Uniformity)가 저해되어 주행시 진동을 유발하며 소음이 발생되고 이상 마모를 일으키어 승차감을 나쁘게하고 타이어의 수명을 단축시키게 된다. In manufacturing a green tire, an inner liner rubber layer is provided on a drum, a carcass layer is provided thereon, a belt layer is provided on the center of the carcass layer, a sub tread rubber layer and a cap tread rubber layer are successively provided on the belt layer A sidewall rubber layer is provided on both sides of a tread working layer made of a subtread and a cap tread and a bead member made of a bead core and a bead filler is provided on the outer side of the sidewall rubber layer and the both ends of the carcass layer are turned up, And a step of installing a rim cushion rubber on the outer side of the carcass wrapped around the bead portion. In carrying out such a process, it is necessary that the belt layer, the tread rubber layer, the sidewall rubber layer, and the like provided on the carcass layer are fixed at positions to be installed. However, in the actual manufacturing process, both ends of the carcass are pulled in the process of wrapping up the carcass by wrapping the carcass, and in the step of vulcanizing the green tire after the green tire is manufactured, A plurality of members are pushed and pushed by a specific portion of the green tire which is joined to each other. This causes a phenomenon in which the respective members constituting the tire are pushed out and tilted, resulting in a possibility of deviating from a predetermined position have. However, if the members constituting the tire are out of position, the uniformity of the tire is impeded, causing vibration during driving, causing noise, causing abnormal wear, causing a bad ride and reducing the life of the tire .

이에 본 발명은 그린타이어의 제조 공정 중, 비드부에 카카스 단부를 턴엎하는 공정에서 또는 그린타이어를 금형에 넣고 가류하는 공정에서, 타이어의 특정 부위에 힘이 집중적으로 가해지는 현상이 발생하더라도 타이어를 구성하는 각개 부재가 쏠리어 정위치를 벗어나는 일이 적은 타이어 제조 방법을 제공하여야 한다는 과제를 해결하고자 한다. Accordingly, in the process of manufacturing a green tire, in the process of turning up the ends of the carcass to the bead portion or in the process of vulcanizing the green tire into the mold, even if a force is concentrated on a specific portion of the tire, The present invention is directed to a tire manufacturing method that is less prone to deviating from a predetermined position.

위와 같은 과제를 해결하기 위하여 본 발명은 그린타이어 제조 공정에 있어서, 그린타이어를 제조하기 위한 카카스부재나 벨트부재 및 트레드부재 중 하나 이상의 부재는, 이웃 부재와의 접촉면에 돌출부를 형성시킴으로써, 이웃부재와의 접촉면에 형성된 돌출부가 이웃부재와의 결속을 완강하게 하여 이웃부재와의 사이에 미끄러짐이 발생하여 구성 부재에 쏠림이 일어나지 아니하게 하는 방법을 제공한다.In order to solve the above problems, in the green tire manufacturing process, at least one member of a carcass member, a belt member, and a tread member for producing a green tire is formed by forming protrusions on a contact surface with a neighboring member, The protrusion formed on the contact surface with the member stiffens the connection with the neighboring member so that slippage occurs between the neighboring member and the component does not occur.

위에서 본 바와 같이, 본 발명은, 그린타이어를 제조함에 있어서, 그린타이어를 제조하기 위한 카카스부재나 벨트부재 및 트레드부재 중 하나 이상의 부재에 돌출부를 형성시키어, 이웃부재와의 접촉면상에서 미끄러짐이 발생하지 아니하게 하여 구성 부재에 쏠림이 일어나지 아니하게 함으로써, 유니포미티(Uniformity)저해로 인한 주행시의 진동을 감소시키며 소음의 발생을 감소시키고 이상 마모 현상을 감소시키어 승차감이 불량하게 되는 일을 방지하고 타이어의 수명이 단축되는 일을 방지하게 되는 효과가 있다. As described above, according to the present invention, in the production of a green tire, protrusions are formed on at least one of a carcass member, a belt member, and a tread member for producing a green tire, and slip occurs on the contact surface with the adjacent member It is possible to reduce vibration during running due to inhibition of uniformity, to reduce the occurrence of noise and to reduce abnormal wear phenomenon, thereby preventing a ride feeling from becoming poor There is an effect that the life of the tire is prevented from being shortened.

그린타이어를 제조하는 공정과 제조된 그린타이어를 가류하는 공정으로 타이어를 제조하는 타이어 제조 방법에 있어서, 그린타이어 제조 공정은, 드럼에 인너라이너고무층(1)을 설치하고 그 위에 카카스(2)를 설치하며, 카카스(2)의 중앙 상부에 하나 이상의 층으로 되는 벨트(3)를 설치하고 벨트(3) 위에 서브트레드(4)와 캡트레드(5)를 차례로 설치하고 서브트레드(4)와 캡트레드(5)로 이루어지는 트레드고무층의 양측에 사이드월고무층(6)을 설치하며 사이드월고무층(6)의 외측에 비드코어와 비드필러로 되는 비드멤버(7)를 설치한 후 카카스(2)의 양단을 턴엎시켜 비드멤버(7)를 감싸고 비드멤버(7)를 감싼 카카스(2) 외측에 림쿠션고무(8)를 설치하는 공정으로 수행되는 것에 있어서, 본 발명은, 그린타이어를 형성시키는 인너라이너층(1), 카카스(2), 벨트(3), 서브트레드(4), 캡트레드(5) 및 사이드월고무층(6)으로 되는 부재는, 이웃하는 두개 부재의 각 접촉면 중 적어도 한개의 접촉면에 돌출부(9)를 형성시켜서 된 것임을 특징으로 하는 타이어 제조 방법을 제공한다.       1. A tire manufacturing method for manufacturing a tire by a process for manufacturing a green tire and a process for vulcanizing a green tire manufactured by the process, wherein an inner liner rubber layer (1) is provided on a drum and a carcass (2) And a belt 3 having one or more layers is provided at the center upper portion of the carcass 2. A sub tread 4 and a cap tread 5 are successively installed on the belt 3, A side wall rubber layer 6 is provided on both sides of the tread rubber layer composed of the cap tread 5 and a bead member 7 serving as a bead core and a bead filler is provided outside the side wall rubber layer 6, 2 is carried out by turning up both ends of the bead member 7 and wrapping the bead member 7 and mounting the rim cushion rubber 8 on the outside of the carcass 2, The inner liner layer 1, the carcass 2, the belt 3, Characterized in that the member made of the breech (4), the cap tread (5) and the sidewall rubber layer (6) is formed by forming a projecting portion (9) on at least one contact surface of each of the contact surfaces of the adjacent two members ≪ / RTI >

상기 부재에 형성시키는 돌출부(9)는, 상기 부재를 구성하는 고무의 일부가 돌출되게 하여서된 돌출부로 구성시킬 수 있으며, 상기 부재가, 카카스나 벨트 등 과 같이 코드를 포함하는 경우에는 사이 부재의 일면에 코드가 노출되게 하여 노출된 코드가 돌출부를 형성시키게 함이 바람직하다.The protrusion 9 formed on the member can be constituted by a protrusion formed by protruding a part of the rubber constituting the member. When the member includes a cord such as a kakas, a belt, or the like, It is preferable that the cord is exposed on one side so that the exposed cord forms a protrusion.

도1은 본 발명의 제조 방법을 실시하는 공정 중 그린타이어를 제조하는 공정으로서 각 소재를 적층하는 상태 단면도Fig. 1 is a sectional view of a state in which each material is laminated as a step of manufacturing a green tire in a process of implementing the manufacturing method of the present invention

<도면의 주요 부분에 대한 부호의 설명>Description of the Related Art

1. 인어라이너층1. Merin liner layer

2. 카카스2. Carcass

3. 벨트3. Belt

4. 서브트레드4. Subtread

5. 캡트레드5. Cap Tread

7. 비드멤버7. Bead member

8. 림쿠션고무8. Rim cushion rubber

9. 돌출부9. Projection

Claims (3)

그린타이어를 제조하는 공정과 제조된 그린타이어를 가류하는 공정으로 타이어를 제조하되, 그린타이어 제조 공정은, 드럼에 인너라이너고무층(1)을 설치하고 그 위에 카카스(2)를 설치하며, 카카스(2)의 중앙 상부에 하나 이상의 층으로 되는 벨트(3)를 설치하고 벨트(3) 위에 서브트레드(4)와 캡트레드(5)를 차례로 설치하고 서브트레드(4)와 캡트레드(5)로 이루어지는 트레드고무층의 양측에 사이드월고무층(6)을 설치하며 사이드월고무층(6)의 외측에 비드코어와 비드필러로 되는 비드멤버(7)를 설치한 후 카카스(2)의 양단을 턴엎시켜 비드멤버(7)를 감싸고 비드멤버(7)를 감싼 카카스(2) 외측에 림쿠션고무(8)를 설치하는 공정으로 수행되는 것에 있어서, 그린타이어를 형성시키는 인너라이너층(1), 카카스(2), 벨트(3), 서브트레드(4), 캡트레드(5) 및 사이드월고무층(6)으로 되는 부재는 이웃하는 두개 부재의 각 접촉면 중 적어도 하나의 접촉면에 돌출부(9)가 형성된 것임을 특징으로 하는 자동차용 타이어 제조 방법.A tire is manufactured by a process of manufacturing a green tire and a process of vulcanizing the green tire. In the green tire manufacturing process, an inner liner rubber layer (1) is installed on a drum, a carcass (2) A belt 3 made of at least one layer is provided at the center upper portion of the cas 2 and the sub tread 4 and the cap tread 5 are installed in order on the belt 3 and the sub tread 4 and the cap tread 5 And a bead member 7 serving as a bead core and a bead filler is provided on the outside of the sidewall rubber layer 6 so that both ends of the carcass 2 Wherein the inner liner layer (1) for forming the green tire is formed by the steps of: covering the bead member (7) and installing the rim cushion rubber (8) outside the carcass (2) wrapping the bead member (7) A carcass 2, a belt 3, a sub tread 4, a cap tread 5, Mucheung member (6) The method of manufacturing a tire for cars, characterized in that the projections (9) on at least one contact surface of each contact surface of the two neighboring members are formed. 제1항에 있어서, 상기 부재에 형성시키는 돌출부(9)는, 상기 부재를 구성하는 고무의 일부가 돌출되게 하여서된 것임을 특징으로 하는 자동차용 타이어 제조 방법.2. The method according to claim 1, wherein the projecting portion (9) formed on the member is formed by projecting a part of the rubber constituting the member. 제1항에 있어서, 상기 부재에 형성시키는 돌출부(9)는, 상기 부재가 코드를 포함하며, 상기 부재의 일면에 코드가 노출되게 하여 노출된 코드가 돌출부를 형성되게 하여서된 것임을 특징으로 하는 자동차용 타이어 제조 방법.2. A vehicle according to claim 1, characterized in that the projections (9) formed in the member are such that the member comprises a cord and the cord is exposed on one side of the member so that the exposed cord forms a protrusion A method of manufacturing a tire for a tire.
KR1020080121074A 2008-12-02 2008-12-02 Manufacturing method of automobile tire KR101014308B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970073938A (en) * 1996-05-27 1997-12-10 남일 Manufacturing method of pneumatic tire which improves uniformity
KR20040008969A (en) * 2002-07-20 2004-01-31 김창욱 MANUFACTURING METHOD OF Fe INORGANIC PIGMENT USING FERROUS SULFATE
WO2004037524A1 (en) 2002-10-23 2004-05-06 Bridgestone Corporation Tire manufacturing method, cover rubber stamping device used for the manufacturing method, tire, rubber sheet member stamping method, and rubber sheet member stamping device
KR200408969Y1 (en) * 2005-11-28 2006-02-15 한국타이어 주식회사 Pneumatic tire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970073938A (en) * 1996-05-27 1997-12-10 남일 Manufacturing method of pneumatic tire which improves uniformity
KR20040008969A (en) * 2002-07-20 2004-01-31 김창욱 MANUFACTURING METHOD OF Fe INORGANIC PIGMENT USING FERROUS SULFATE
WO2004037524A1 (en) 2002-10-23 2004-05-06 Bridgestone Corporation Tire manufacturing method, cover rubber stamping device used for the manufacturing method, tire, rubber sheet member stamping method, and rubber sheet member stamping device
KR200408969Y1 (en) * 2005-11-28 2006-02-15 한국타이어 주식회사 Pneumatic tire

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