KR100863214B1 - Vent member for tire vulcanizing mold - Google Patents

Vent member for tire vulcanizing mold Download PDF

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Publication number
KR100863214B1
KR100863214B1 KR1020070063093A KR20070063093A KR100863214B1 KR 100863214 B1 KR100863214 B1 KR 100863214B1 KR 1020070063093 A KR1020070063093 A KR 1020070063093A KR 20070063093 A KR20070063093 A KR 20070063093A KR 100863214 B1 KR100863214 B1 KR 100863214B1
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KR
South Korea
Prior art keywords
piece
vent
vulcanization mold
main body
jaw device
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Application number
KR1020070063093A
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Korean (ko)
Inventor
강문석
Original Assignee
한국타이어 주식회사
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Priority to KR1020070063093A priority Critical patent/KR100863214B1/en
Priority to CN2007103063252A priority patent/CN101332644B/en
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Publication of KR100863214B1 publication Critical patent/KR100863214B1/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
    • B29D30/02—Solid tyres ; Moulds therefor
    • 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)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B29D2030/0607—Constructional features of the moulds
    • B29D2030/0612—Means for forming recesses or protrusions in the tyres, e.g. grooves or ribs, to create the tread or sidewalls patterns
    • 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)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B29D2030/0607—Constructional features of the moulds
    • B29D2030/0616—Surface structure of the mould, e.g. roughness, arrangement of slits, grooves or channels
    • 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)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B29D2030/0607—Constructional features of the moulds
    • B29D2030/0617—Venting devices, e.g. vent plugs or inserts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

A ventilation device used in a tire vulcanizing mold is provided to improve air discharge performance of the ventilation device by preventing a ventilation hole from being clogged by ventilation rubber. A ventilation device used in a tire vulcanizing mold comprises a body(1) installed in a ventilation hole of the tire vulcanizing mold, a discharge hole(2) eccentrically formed relative to the body, an insertion member(12) inserted into an upper inner portion of the discharge hole, and a lifting member(3) coupled with the insertion member. The lifting member have upper and lower inclined surfaces(32,33), and the insertion member have upper and lower inclined surfaces(122,123) making contact with the upper and lower inclined surfaces of the lifting member.

Description

타이어 가류금형의 벤트 장치{Vent member for tire vulcanizing mold}Vent device for tire vulcanizing mold

도 1은 본 발명의 벤트 장치가 가변되는 상태를 나타내는 일 실시예의 종단면도1 is a longitudinal sectional view of an embodiment showing a state in which the vent device of the present invention is varied

도 2는 본 발명의 다른 실시예로서 본체 삭설부 하단에 하단턱이 형성된 상태를 도시한 반단면 사시도 Figure 2 is a half sectional perspective view showing a state in which the lower jaw is formed at the bottom of the body cutting portion as another embodiment of the present invention

도 3은 본 발명의 또 다른 실시예로서 걸림턱장치가 설치된 상태를 발췌하여 분리 도시한 사시도3 is an exploded perspective view showing an extracting state in which a locking jaw device is installed as another embodiment of the present invention;

도 4는 도 3의 벤트 장치가 가변되는 상태를 도시한 평면도4 is a plan view illustrating a state in which the vent device of FIG. 3 is variable.

도 5는 본 발명의 또 다른 걸림턱장치를 도시한 반단면 사시도Figure 5 is a half cross-sectional perspective view showing another locking jaw device of the present invention

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

1: 본체 1: main body

11: 후육부 12 : 삭설부  11: thick part 12: cut out part

121: 단턱 122: 상경사면    121: step 122: upper slope

123: 하경사면 124:하단턱    123: lower slope 124: lower jaw

126: 저지턱    126: jersey

13: 장공   13: longevity

2: 배출공2: discharge hole

3: 승강편3: getting on and off

31: 단턱 32: 상경사면  31: step 32: upper slope

33: 하경사면 36, 361: 걸림턱  33: Lower slope 36, 361: Jamming jaw

본 발명은 타이어 가류금형의 벤트 장치에 관한 것이다.The present invention relates to a vent device of a tire vulcanization mold.

일반적으로 생고무 상태로 제조되는 그린 타이어는 고온 고압의 가류금형 내에서 가류되어 완성된 타이어가 되며, 가류금형은 금형부와 그린 타이어를 금형에 가압시키는 브라더로 구성되고 금형의 내측면에는 그린 타이어와 금형과의 사이에 존재하는 공기를 금형 외부로 배출시킬 수 있게 하는 벤트홀이 설치되어 구성된다.In general, the green tires manufactured in a raw rubber state are vulcanized in a vulcanization mold of high temperature and high pressure. The vulcanization mold is composed of a mold part and a brother for pressing the green tire to the mold. Vent holes are provided to allow the air existing between the mold and the mold to be discharged to the outside of the mold.

그런데, 브라더로 그린타이어에 가압하게 되면 그린타이어와 금형 사이의 공기만이 벤트홀로 빠져 나가는 것이 아니고 공기가 다 빠져 나간 다음에는 그린타이어를 구성하는 고무 또한 벤트홀로 빠져나가게 되고, 가류후 금형으로부터 타이어를 인출할 때에 벤트홀로 빠져 나간 고무인 벤트러버(식출고무)가 타어어에 붙어서 벤트홀로부터 함께 되빠져 나가지 않으면 이러한 벤트홀이 막히어 차기 가류 공정을 수행하기가 곤란해진다.However, when the green tire is pressed by the brother, the air between the green tire and the mold is not only released into the vent hole, but after the air is exhausted, the rubber constituting the green tire is also released into the vent hole. If the vent rubber (extracting rubber), which is the rubber that exits the vent hole when it is withdrawn, is stuck to the tire and does not come out together from the vent hole, the vent hole is blocked and it becomes difficult to perform the next vulcanization process.

그리하여 이러한 벤트홀에 공기는 빠져 나가되 고무는 벤트홀로 들어가게 하지 아니하는 벤트장치가 특허 제58621호 등으로 제공된 바 있다. 그러나, 이러한 벤트 장치는 일반적으로 그 제조비용이 과다하고 신뢰성이 부족하며 특히, 이러한 벤트 장치 내로 공기만 빠져 나가지 아니하고 고무까지 들어가게 되는 경우에는 벤트장치에 작용 부전이 발생하여 타이어와 금형사이에 공기가 잔존하면서 타이어의 형상에 변형을 일으켜 완성된 타이어를 폐기하지 않으면 아니 되는 중대한 결점이 있다. Thus, a venting device for venting air out of the vent hole but not allowing the rubber to enter the vent hole has been provided in Patent No. 5721. However, such a vent device is generally excessively expensive to manufacture and lacks reliability. In particular, when the vent device does not only escape air but also enters the rubber, a malfunction occurs in the vent device, and air is generated between the tire and the mold. There is a significant drawback that the remaining tires must be deformed by deforming the finished tires.

그리하여, 위와 같은 발전된 벤트장치가 제공되었음에도 불구하고, 타이어의 가류 금형에 작은 공기구멍인 벤트홀을 뚫어 형성시키는 원시적 형태의 벤트 장치가 선호되고 있는 실정에 있다. Thus, although the above-described advanced vent device is provided, a primitive vent device in which a vent hole, which is a small air hole, is formed in a vulcanization mold of a tire is preferred.

이에 본 발명은, 타이어의 가류 금형에 작은 공기구멍인 벤트홀을 뚫어 형성시키는형태의 벤트 장치를 개량하여, 고가의 벤트 장치의 사용을 지양하면서도, 벤트홀로만 구성된 벤트장치의 중대 결점인 벤트홀 내에서의 벤트러버(식출고무) 절단을 방지하고, 벤트러버가 벤트홀로부터 용이하게 되빠져 나갈 수 있도록, 벤트홀에 직경 가변장치를 가진 벤트장치를 설치하여 타이어를 금형으로부터 발출하면 벤트홀의 직경이 커져서, 가류된 타이어를 금형으로부터 빼어 낼 때에 벤트러버가 용이하게 발출되게 하여 벤트러버가 끊어져 벤트홀을 막는 것을 방지하여 공기 배출능력이 저하되는 것을 방지하며, 나아가 벤트 장치를 합성수지로 형성시키어 벤트 장치에 작용부전이 있는 경우 벤트장치를 용융시켜 용이하게 발출할 수 있게 하여 벤트홀의 수리를 용이하게 할 수 있는 가류금형의 벤트장치를 제공하기 위한 것인 바, 이와 같은 본 발명을 첨부된 도면에 의하여 설명하면 다음과 같다.Accordingly, the present invention improves the venting device in which a vent hole, which is a small air hole, is formed in a vulcanization mold of a tire, and avoids the use of an expensive venting device. In order to prevent cutting of the vent rubber (injection rubber) in the inside and to allow the vent rubber to easily come out of the vent hole, a vent device having a variable diameter device is installed in the vent hole and the tire is removed from the mold. The larger diameter allows the vent rubber to be easily ejected when removing the vulcanized tire from the mold, preventing the vent rubber from breaking and blocking the vent hole, thereby preventing the air discharge capacity from deteriorating, and further forming the vent device with synthetic resin. If there is a malfunction in the venting device, the venting device can be melted for easy extraction. When easily be in bars, designed to provide a vent device of the vulcanizing mold in this way be explained by the accompanying drawings, the present invention as follows.

본 발명은, 가류금형의 벤트홀에 설치되는 본체(1)와, 본체(1)에 편심되게 형성되는 배출공(2)과, 본체(1)의 후육부(11)측 배출공(2) 내부 상측에 형성된 삭설부(12)와 삭설부(12)에 결합되는 승강편(3)으로 구성되며, 삭설부(12)와 승강편(3)은 동일 경사각으로 된 경사면으로 접하여져 있으며, 삭설부(12)와 승강편(3)이 걸림턱장치로 연결된 것을 특징으로 한다.The present invention, the main body 1 is provided in the vent hole of the vulcanization mold, the discharge hole (2) formed eccentrically in the main body 1, the thick portion 11 side discharge hole (2) of the main body (1) It consists of an elevating piece 12 and an elevating piece 3 coupled to the elevating part 12 formed inside the upper portion, and the elevating part 12 and the elevating piece 3 are in contact with an inclined surface having the same inclination angle. The tongue part 12 and the elevating piece 3 are characterized in that connected by the locking jaw device.

가류금형의 벤트홀에 설치하는 벤트장치 본체(1)는 그 외주가 벤트홀의 내주면에 밀착되는 직경을 가지며 소기의 공기배출량을 가지는 직경의 배출공(2)이 편심되게 설치된다. 배출공(2)이 편심되게 설치되면 본체(1)는 일측에 후육부(11)를 가지게 된다. 삭설부(12)는 본체(1)의 후육부(11)측 배출공(2) 내부 상측에 형성된다. 삭설부(12)에는 이에 결합되어 배출공(2)의 내주를 이루게 하는 하프 파이프(Half pipe)형의 승강편(3)이 결합된다. 삭설부(12)와 승강편(3)을 동일 경사각으로 된 경사면으로 접하여지게 함에 있어서는, 각각 단턱(121, 31)으로 분할된 상하 경사면(122, 123, 32, 33)을 가지게 하며, 삭설부(12)의 상하경사면(122, 123)과 승강편(3)의 상하경사면(32, 33)은 동일 경사각으로 형성시키고, 승강편(3)의 상면이, 첨부된 도면 도 1에 도시된 바와 같이, 본체(1)의 상단면과 동일 평면을 이룰 경우, 삭설부(12)의 단턱(121)과 승강편(3)의 단턱(31)은 1~5mm의 이격을 이루게 구성시키는 것이 바람직하다.The vent device main body 1 installed in the vent hole of the vulcanization mold has a diameter whose outer circumference is in close contact with the inner circumferential surface of the vent hole and is provided with an eccentric discharge hole 2 having a desired air discharge amount. When the discharge hole 2 is installed eccentrically, the main body 1 has a thick portion 11 on one side. The cutting part 12 is formed in the upper part inside the discharge hole 2 at the thick part 11 side of the main body 1. A half pipe type elevating piece 3 is coupled to the cutting portion 12 to form an inner circumference of the discharge hole 2. In bringing the cut portion 12 and the lifting piece 3 into contact with the inclined surfaces having the same inclination angle, the cut portions 12, 31, 31 have upper and lower inclined surfaces 122, 123, 32, and 33, respectively. The upper and lower inclined surfaces 122 and 123 of (12) and the upper and lower inclined surfaces 32 and 33 of the elevating piece 3 are formed at the same inclination angle, and the upper surface of the elevating piece 3 is shown in FIG. Similarly, when forming the same plane as the upper end surface of the main body 1, it is preferable to configure the stepped portion 121 of the cut-out portion 12 and the stepped portion 31 of the lifting piece 3 to be 1 to 5mm apart. .

본 발명은 이에서 나아가, 첨부된 도면 도 2에 도시된 바와 같이 삭설부(12)의 하단에 단턱(124)을 형성시키어, 승강편(3)의 상면이 본체(1)의 상단면과 동일 평면을 이룰 경우 삭설부(12)의 하단턱(124)과 승강편(3)의 하단면이 접하여지면서 승강편(3)의 내면이 본체(1)와 더불어 배출공(2)을 형성시키게 한다.According to the present invention, the stepped portion 124 is formed at the lower end of the cutting portion 12, as shown in the accompanying drawings, Figure 2, the upper surface of the elevating piece 3 is the same as the upper surface of the main body 1 When the plane is formed, the lower jaw 124 of the snow removal portion 12 and the lower surface of the elevating piece 3 come into contact with each other, and the inner surface of the elevating piece 3 forms the discharge hole 2 together with the main body 1. .

상기 걸림턱장치는, 승강편(3)이 배출공(2) 내측으로 이탈되는 것을 방지하는 작용을 한다. 승강편(3)이 배출공(2) 내부로 몰입되었을 때에는 승강편(3)이 배출공(3) 내측으로 전도되는 일이 없으나, 첨부된 도면 도 3 또는 도 4에 도시된 바와 같이, 승강편(3)이 상승된 상태에서는 승강편(3)이 배출공(2) 내측으로 전도될 수 있다. 따라서, 본 발명은 승강편(3)이 배출공(2) 내측으로 전도됨을 방지하는 걸림턱장치를 제공한다. 걸림턱장치는 삭설부(12)에 형성된 저지턱(126)과 승강편(3)의 상부 양단에 설치된 걸림턱(36)으로 구성시킬 수 있다. 또한 걸림턱장치는 첨부된 도면 도 5에 도시된 바와 같이, 승강편(3)에 설치된 걸림턱(361)과 삭설부(12)에 형성된 장공(13)으로 구성시킬 수 있다.The locking jaw device serves to prevent the lifting piece 3 from being separated into the discharge hole 2. When the lifting piece 3 is immersed into the discharge hole 2, the lifting piece 3 is not conducted inside the discharge hole 3, but as shown in FIG. 3 or FIG. In the state in which the piece 3 is raised, the lifting piece 3 may be conducted to the inside of the discharge hole 2. Therefore, the present invention provides a locking jaw device for preventing the lifting piece 3 from being conducted inside the discharge hole 2. The locking jaw device may be constituted by a stopping jaw 126 formed on the cut portion 12 and a locking jaw 36 provided at both ends of the upper and lower portions of the elevating piece 3. In addition, the locking jaw device can be configured as a long hole 13 formed in the locking jaw 361 and the snow removal portion 12 is installed on the lifting piece 3, as shown in FIG.

본 발명의 벤트홀 장치는 합성수지로 제조하는 것이 바람직하다. 제조 비용이 저렴할 뿐 아니라, 벤트홀 장치에 작용부전이 있는 경우 해당 부위를 가열함으로서 벤트홀 장치를 용융시켜 쉽게 제거할 수 있게 한다. The vent hole device of the present invention is preferably made of synthetic resin. In addition to low manufacturing costs, the vent hole device can be easily melted and removed by heating the site in the event of a malfunction in the vent hole device.

이와 같은 본 발명은 본 발명의 목적을 달성하기 위하여 공지의 기술을 참작하여 다양하게 변경 실시 될 수 있다. 따라서 본 발명의 보호범위는 후에 기재되는 청구항의 기재에 의해서만 한정되며, 첨부된 도면이나 위의 상세한 설명에 의하여 한정되지 아니한다.Such the present invention can be carried out in various modifications in consideration of known techniques in order to achieve the object of the present invention. Therefore, the protection scope of the present invention is limited only by the description of the claims described later, not by the accompanying drawings or the above detailed description.

위와 같은 본 발명은, 비교적 고가의 벤트 장치를 사용하지 않으면서도, 벤트홀로만 구성된 벤트장치의 중대 결점인 벤트홀 내에서의 벤트러버(식출고무) 절 단을 방지하고, 벤트러버가 벤트홀로부터 용이하게 되빠져 나갈 수 있도록 하여, 벤트러버가 끊어져 벤트홀을 막는 것을 방지하여 공기 배출능력이 저하되는 것을 방지하며, 나아가 벤트 장치를 합성수지로 형성시키어 벤트 장치에 작용부전이 있는 경우 벤트장치를 용융시켜 용이하게 발출할 수 있게 하여 벤트홀의 수리를 용이하게 하는 효과가 있다.The present invention as described above, while avoiding the use of a relatively expensive vent device, prevents the cutting of the vent rubber (injection rubber) in the vent hole, a major drawback of the vent device consisting only of the vent hole, the vent rubber It prevents the vent rubber from breaking and block the vent hole so that the air discharge capacity is lowered, and the vent device is made of synthetic resin, and if the vent device has a malfunction, the vent device The melt can be easily extracted and has an effect of facilitating repair of the vent hole.

Claims (8)

가류금형의 벤트홀에 설치되는 본체(1)와, 본체(1)에 편심되게 형성되는 배출공(2)과, 본체(1)의 후육부(11)측 배출공(2) 내부 상측에 형성된 삭설부(12)와 삭설부(12)에 결합되는 승강편(3)으로 구성되며, 삭설부(12)와 승강편(3)은 동일 경사각으로 된 경사면으로 접하여져 있으며, 삭설부(12)와 승강편(3)이 걸림턱장치로 연결된 것을 특징으로 하는 타이어 가류금형의 걸림턱장치.A main body 1 installed in the vent hole of the vulcanization mold, a discharge hole 2 formed eccentrically in the main body 1, and an upper side of the inside of the discharge hole 2 on the thick part 11 side of the main body 1. It consists of an elevating piece (3) coupled to the cutting portion (12) and the cutting portion (12), the cutting portion (12) and the lifting piece (3) are in contact with the inclined surface at the same inclination angle, the cutting portion (12) And jaw device of the tire vulcanization mold, characterized in that the lifting piece (3) is connected to the locking jaw device. 제1항에 있어서, 삭설부(12)와 승강편(3)의 동일 경사면 접합은, 삭설부(12)와 승강편(3)이 각각 단턱(121, 31)으로 분할된 상하 경사면(122, 123, 32, 33)을 가지며, 삭설부(12)의 상하경사면(122, 123)과 승강편(3)의 상하경사면(32, 33)은 동일 경사각으로 형성되어 서로 미끄러지게 접하여진 것임을 특징으로 하는 타이어 가류금형의 걸림턱 장치.The same inclined surface joining of the cutting part 12 and the elevating piece 3 is carried out by the up-and-down inclined surface 122 which divided the cutting part 12 and the lifting piece 3 into the stepped parts 121 and 31, respectively. 123, 32, 33, the upper and lower inclined surfaces (122, 123) of the cutting portion 12 and the upper and lower inclined surfaces (32, 33) of the elevating piece (3) is formed at the same inclination angle, characterized in that the sliding contact with each other Hanging jaw device of the tire vulcanization mold. 제2항에 있어서, 승강편(3)의 상면이 본체(1)의 상단면과 동일 평면을 이룰 경우, 삭설부(12)의 단턱(121)과 승강편(3)의 단턱(31)은 1~5mm의 이격을 이루게 하여서 된 것임을 특징으로 하는 타이어 가류금형의 걸림턱 장치.According to claim 2, when the upper surface of the elevating piece 3 is in the same plane as the upper surface of the main body 1, the stepped portion 121 of the cut-out portion 12 and the stepped portion 31 of the elevating piece 3 Hanging jaw device of the tire vulcanization mold, characterized in that it is made to achieve a separation of 1 ~ 5mm. 제1항에 있어서, 삭설부(12)의 하단에 단턱(124)을 형성시키어, 승강편(3)의 상면이 본체(1)의 상단면과 동일 평면을 이룰 경우 삭설부(12)의 하단턱(124)과 승강편(3)의 하단면이 접하여지게 하여서 된 것임을 특징으로 하는 타이어 가류금형의 걸림턱 장치.The lower end of the cutting part 12 according to claim 1, wherein a step 124 is formed at the lower end of the cutting part 12 so that the upper surface of the elevating piece 3 is coplanar with the upper surface of the main body 1. Hanging jaw device of the tire vulcanization mold, characterized in that the lower surface of the jaw (124) and the elevating piece (3) is in contact with. 삭제delete 제1항 내지 제4항 중 어느 하나의 항에 있어서, 걸림턱장치는 삭설부(12)에 형성된 저지턱(126)과 승강편(3)의 상부 양단에 설치된 걸림턱(36)으로 구성된 것임을 특징으로 하는 타이어 가류금형의 걸림턱 장치.The method according to any one of claims 1 to 4, wherein the locking jaw device is composed of a stopping jaw 126 formed in the cut-out portion 12 and the locking jaw 36 provided on both upper ends of the lifting piece (3). Hanging jaw device of the tire vulcanization mold, characterized in that. 제1항 내지 제4항 중 어느 하나의 항에 있어서, 걸림턱장치는 승강편(3)에 설치된 걸림턱(361)과 삭설부(12)에 형성된 장공(13)으로 구성된 것임을 특징으로 하는 타이어 가류금형의 걸림턱 장치.The tire according to any one of claims 1 to 4, wherein the locking jaw device is composed of a locking jaw 361 provided on the elevating piece 3 and a long hole 13 formed in the cut section 12. Hanging jaw device of vulcanization mold. 삭제delete
KR1020070063093A 2007-06-26 2007-06-26 Vent member for tire vulcanizing mold KR100863214B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11333846A (en) 1998-05-27 1999-12-07 Sumitomo Rubber Ind Ltd Vent hole opening/closing valve apparatus for mold
KR100410785B1 (en) 2001-06-28 2003-12-18 한국타이어 주식회사 Ventmember of vulcanizing mold
JP2004034691A (en) 2002-07-04 2004-02-05 Hankook Tire Co Ltd Venting means of tyre vulcanizing mold

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11333846A (en) 1998-05-27 1999-12-07 Sumitomo Rubber Ind Ltd Vent hole opening/closing valve apparatus for mold
KR100410785B1 (en) 2001-06-28 2003-12-18 한국타이어 주식회사 Ventmember of vulcanizing mold
JP2004034691A (en) 2002-07-04 2004-02-05 Hankook Tire Co Ltd Venting means of tyre vulcanizing mold

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