JPH06106595A - Extrusion die insert for extruder and extruding method for bandlike material with reinforcing cord using the die insert - Google Patents
Extrusion die insert for extruder and extruding method for bandlike material with reinforcing cord using the die insertInfo
- Publication number
- JPH06106595A JPH06106595A JP4258493A JP25849392A JPH06106595A JP H06106595 A JPH06106595 A JP H06106595A JP 4258493 A JP4258493 A JP 4258493A JP 25849392 A JP25849392 A JP 25849392A JP H06106595 A JPH06106595 A JP H06106595A
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing cords
- die insert
- cords
- reinforcing
- cord
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、押出機における押出
ダイインサート及び押出ダイインサートを用いた補強コ
ード入り帯状材料の押出方法に係わり、更に詳しくは補
強コードを高密度で配置してゴム材料を被覆することが
出来る押出機における押出ダイインサート及び押出ダイ
インサートを用いた補強コード入り帯状材料の押出方法
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extrusion die insert in an extruder and a method for extruding a belt-shaped material with a reinforcing cord using the extrusion die insert. The present invention relates to an extrusion die insert in an extruder capable of coating and a method for extruding a strip-shaped material with a reinforcing cord using the extrusion die insert.
【０００２】[0002]
【従来の技術】近年、タイヤの強度アップや、同一強度
を維持しつつ、補強コード入り帯状材料を薄く成形する
目的から、補強コードの配列密度を高くすることが行わ
れている。ところで、従来、補強コード入り帯状材料の
押出機では、補強コードを押出しながらゴム材料をコー
ティング（被覆）する押出ダイインサートとしては、例
えば、図７に示すように、上型１ａと下型１ｂとの合わ
せ面２の相対向する位置に、所定の間隔Ｈで補強コード
３をそれぞれ挿通させる半円弧状のコード溝穴４が形成
してある。2. Description of the Related Art In recent years, for the purpose of increasing the strength of tires and maintaining the same strength, and thinly molding a belt-shaped material containing reinforcing cords, the arrangement density of reinforcing cords has been increased. By the way, conventionally, in an extruder for a strip-shaped material with a reinforcing cord, as an extrusion die insert for coating (covering) a rubber material while extruding a reinforcing cord, for example, as shown in FIG. 7, an upper die 1a and a lower die 1b are provided. Semi-circular arc-shaped cord slots 4 through which the reinforcing cords 3 are respectively inserted at predetermined intervals H are formed at positions facing each other on the mating surfaces 2.
【０００３】[0003]
【発明が解決しようとする問題点】然しながら、上記の
ような従来の押出ダイインサートの場合、上型１ａ及び
下型１ｂの製作の困難さ、及び摩耗寿命等の観点からコ
ード溝穴４の間隔には限界があり、従って、押出機によ
り、補強コード３を帯状材料の幅方向に高密度に配置し
てゴム材料をコーティングすることが難しいと言う問題
があった。However, in the case of the conventional extrusion die insert as described above, the distance between the code groove holes 4 is increased in view of the difficulty of manufacturing the upper die 1a and the lower die 1b, wear life, and the like. However, there is a problem in that it is difficult to coat the rubber material by arranging the reinforcing cords 3 at a high density in the width direction of the strip-shaped material with an extruder.
【０００４】この発明は、かかる従来の課題に着目して
案出されたもので、押出機を用いて補強コードを帯状材
料の幅方向に高密度に配置してゴム材料で被覆すること
が可能となり、タイヤの強度を高めることが出来ると共
に、タイヤ構成材料としての帯状材料を形状で薄く成形
でき、更に安価で容易に製作することが出来る押出機に
おける押出ダイインサート及び押出ダイインサートを用
いた補強コード入り帯状材料の押出方法を提供すること
を目的とするものである。The present invention has been devised in view of such conventional problems, and it is possible to arrange reinforcing cords at a high density in the width direction of the strip-shaped material by using an extruder and coat it with a rubber material. Since it is possible to increase the strength of the tire, it is possible to shape the belt-shaped material as a tire constituent material into a thin shape, and it is possible to easily and inexpensively manufacture the extrusion die insert in the extruder and reinforcement using the extrusion die insert. It is an object of the present invention to provide a method for extruding a corded strip material.
【０００５】[0005]
【課題を解決するための手段】この発明は上記目的を達
成するため、上型と下型とに設ける複数のコード溝穴
を、上型と下型とに所定の間隔で交互に形成したことを
要旨とするものである。また、上型と下型とに所定の間
隔で交互に形成した複数のコード溝穴に、それぞれ補強
コードをそれぞれ挿通し、上型と下型にて配列された補
強コードの表裏面及び補強コード間に、押出ヘッドから
押し出すゴム材料を被覆することを要旨とするものであ
る。In order to achieve the above object, the present invention has a plurality of cord groove holes provided in an upper mold and a lower mold alternately formed in the upper mold and the lower mold at predetermined intervals. Is the gist. In addition, the reinforcing cords are respectively inserted through a plurality of cord groove holes formed alternately in the upper mold and the lower mold at predetermined intervals, and the front and back surfaces of the reinforcing cords arranged in the upper mold and the lower mold and the reinforcing cords. The gist is to cover the rubber material extruded from the extrusion head in the meantime.
【０００６】更に、上型と下型とに所定の間隔で交互に
形成した複数のコード溝穴に、それぞれ補強コードをそ
れぞれ挿通し、上型と下型にて配列された補強コードの
表裏面及び補強コード間に、押出ヘッドから押し出すゴ
ム材料を被覆し、この成形された補強コード入り帯状材
料を、押出ヘッドの先端に設けた型付けロールに挾持し
て、補強コードが直列となるように揃えることを要旨と
するものである。Further, the reinforcing cords are respectively inserted through a plurality of cord groove holes formed alternately in the upper die and the lower die at predetermined intervals, and the front and back surfaces of the reinforcing cords arranged in the upper die and the lower die. And, a rubber material extruded from the extrusion head is covered between the reinforcing cords, and the formed strip-shaped material containing the reinforcing cords is sandwiched by a molding roll provided at the tip of the extrusion head so that the reinforcing cords are aligned in series. This is the summary.
【０００７】[0007]
【発明の作用】この発明は上記のように構成され、押出
ダイインサートの上型と下型とに所定の間隔で交互に形
成した複数のコード溝穴に、ナイロン，スチール等の補
強コードをそれぞれ挿通させ、上型と下型とで配列され
た補強コードの表裏面及び補強コード間に、一定厚さの
ゴム材料を押出して被覆することにより、高密度の補強
コードを埋設した長尺の帯状材料を製造することが出来
るものである。The present invention is constructed as described above, and a reinforcing cord made of nylon, steel or the like is provided in each of a plurality of cord groove holes formed alternately in the upper die and the lower die of the extrusion die insert at predetermined intervals. Long strips with high density reinforcement cords embedded by extruding and covering a rubber material of a certain thickness between the front and back surfaces of the reinforcement cords that are inserted and arranged in the upper and lower molds and between the reinforcement cords. The material can be manufactured.
【０００８】[0008]
【発明の実施例】以下、添付図面に基づき、この発明の
実施例を説明する。なお、従来例と同一構成要素は、同
一符号を付して説明は省略する。図１は、この発明を実
施した上型１ａと下型１ｂとから成る押出ダイインサー
トの断面図を示し、前記上型１ａと下型１ｂとの合わせ
面２には、上下交互に、かつ所定の間隔で補強コード３
をそれぞれ挿通させる半円弧状のコード溝穴５が形成し
てある。Embodiments of the present invention will be described below with reference to the accompanying drawings. The same components as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted. FIG. 1 shows a cross-sectional view of an extrusion die insert composed of an upper mold 1a and a lower mold 1b according to the present invention. The mating surface 2 of the upper mold 1a and the lower mold 1b is vertically and alternately arranged in a predetermined manner. Reinforcing cord 3 at intervals of
There are formed semicircular arc-shaped cord slots 5 through which the cords are inserted.
【０００９】また、図２は上記上型１ａと下型１ｂとか
ら成る押出ダイインサートを、押出機の押出ヘッド６に
装着した断面図を示し、また図３は配列された補強コー
ド３にゴム材料７を被覆した帯状材料Ｗの幅方向の一部
断面図である。この発明の実施例では、帯状材料Ｗの幅
方向に、補強コード３を高密度に配設するため、上型１
ａと下型１ｂとの合わせ面２に上下交互に半円弧状のコ
ード溝穴５を形成してある。FIG. 2 shows a cross-sectional view of the extrusion die insert consisting of the upper die 1a and the lower die 1b mounted on the extrusion head 6 of the extruder, and FIG. 3 shows the reinforcing cords 3 arranged in rubber. 6 is a partial cross-sectional view in the width direction of the strip-shaped material W coated with the material 7. FIG. In the embodiment of the present invention, since the reinforcing cords 3 are densely arranged in the width direction of the strip-shaped material W, the upper mold 1
On the mating surface 2 of a and the lower die 1b, semicircular arc-shaped cord slots 5 are formed alternately in the upper and lower directions.
【００１０】このような、押出機の押出ヘッド６に装着
した押出ダイインサートを用いて補強コード３入りの帯
状材料Ｗを製造する場合には、上型１ａと下型１ｂとに
所定の間隔で交互に形成した複数のコード溝穴５に、そ
れぞれナイロン，スチール等の補強コード３をそれぞれ
挿通させ、補強コード３を帯状材料Ｗの幅方向に上下に
揃えた状態で、補強コード３の先端を引張ながら、補強
コード３の表裏面及び補強コード３間に、押出ヘッド６
から押し出すゴム材料７を被覆することで、補強コード
３を帯状材料Ｗの幅方向に高密度に配置した帯状材料Ｗ
を製造することが出来るものである。When the strip-shaped material W containing the reinforcing cord 3 is manufactured by using the extrusion die insert mounted on the extrusion head 6 of the extruder, the upper die 1a and the lower die 1b are spaced at a predetermined interval. The reinforcing cords 3 made of nylon, steel or the like are respectively inserted into the cord grooves 5 formed alternately, and the tip ends of the reinforcing cords 3 are aligned with the reinforcing cords 3 aligned vertically in the width direction of the strip material W. While pulling, the extrusion head 6 is provided between the front and back surfaces of the reinforcing cord 3 and between the reinforcing cord 3.
The strip-shaped material W in which the reinforcing cords 3 are densely arranged in the width direction of the strip-shaped material W by covering the rubber material 7 extruded from the strip-shaped material W
Can be manufactured.
【００１１】また、図４及び図５は、この発明の第２実
施例を示し、この実施例は、上型１ａと下型１ｂとから
成る押出ダイインサートは、上記第１実施例のものと全
く同様なものを使用し、押出機の押出ヘッド６の先端
に、上下に型付けロール８を配設したものである。この
実施例の場合には、上型１ａと下型１ｂとに所定の間隔
で交互に形成した複数のコード溝穴５に、それぞれナイ
ロン，スチール等の補強コード３をそれぞれ挿通させ、
補強コード３を帯状材料Ｗの幅方向に上下に揃えた状態
で、補強コード３の先端を引張ながら、補強コード３の
表裏面及び補強コード３間に、押出ヘッド６から押し出
すゴム材料７を被覆し、更に押出ヘッド６から出て成形
された帯状材料Ｗを、上下の型付けロール８で挾持し、
図５に示すように補強コード３が帯状材料Ｗの幅方向に
直列密となるように均一に揃えて肉厚の薄い帯状材料Ｗ
を成形するようにしたものである。4 and 5 show a second embodiment of the present invention. In this embodiment, the extrusion die insert consisting of the upper die 1a and the lower die 1b is the same as that of the first embodiment. A completely similar product is used, and the shaping rolls 8 are arranged at the top and bottom of the extruding head 6 of the extruder. In the case of this embodiment, the reinforcing cords 3 made of nylon, steel or the like are respectively inserted through the cord slots 5 formed alternately in the upper die 1a and the lower die 1b at predetermined intervals.
With the reinforcing cords 3 aligned vertically in the width direction of the strip-shaped material W, while pulling the tips of the reinforcing cords 3, a rubber material 7 extruded from the extrusion head 6 is covered between the front and back surfaces of the reinforcing cords 3 and between the reinforcing cords 3. Then, the strip-shaped material W that has been ejected from the extrusion head 6 and formed is held by the upper and lower mold rolls 8,
As shown in FIG. 5, the reinforcing cords 3 are uniformly arranged in series in the width direction of the strip-shaped material W so that the strip-shaped material W is thin.
Is to be molded.
【００１２】また、図６は押出ダイインサートの第３実
施例を示す断面図を示し、この実施例は、上型１ａと下
型１ｂとの合わせ面２に上下交互に半円弧状のコード溝
穴９を形成する際、上型１ａと下型１ｂとに、深いコー
ド溝穴９ａと、浅いコード溝穴９ｂを形成したもので、
上記第２実施例のように、上下の型付けロール８を用い
ることなく補強コード３を密に千鳥状に配列して肉厚の
薄い帯状材料Ｗを成形するようにしたものである。FIG. 6 is a sectional view showing a third embodiment of the extrusion die insert. In this embodiment, a semi-arcuate cord groove is alternately formed on the mating surface 2 of the upper die 1a and the lower die 1b. When the hole 9 is formed, a deep cord groove hole 9a and a shallow cord groove hole 9b are formed in the upper mold 1a and the lower mold 1b.
As in the second embodiment, the reinforcing cords 3 are densely arranged in a zigzag pattern without using the upper and lower imprinting rolls 8 to form the thin band-shaped material W.
【００１３】以上のように、押出ダイインサートの上型
１ａと下型１ｂとに所定の間隔で交互に形成した複数の
コード溝穴５に、ナイロン，スチール等の補強コード３
をそれぞれ挿通させ、上型１ａと下型１ｂとで配列され
た補強コード３の表裏面及び補強コード３間に、一定厚
さのゴム材料７を押出して被覆することにより、高密度
の補強コード３を埋設した長尺の帯状材料Ｗを製造する
ことが出来、同一強度を維持した厚さの薄い帯状材料Ｗ
でタイヤを成形することが出来、タイヤの強度アップを
容易に図ることが出来るものである。As described above, the reinforcing cord 3 made of nylon, steel or the like is provided in the plurality of cord groove holes 5 formed alternately in the upper die 1a and the lower die 1b of the extrusion die insert at predetermined intervals.
Of the upper mold 1a and the lower mold 1b and the front and back surfaces of the reinforcing cords 3 and between the reinforcing cords 3 are extruded and coated with a rubber material 7 having a constant thickness, thereby providing a high-density reinforcing cord. It is possible to manufacture a long strip-shaped material W in which 3 is embedded, and a thin strip-shaped material W having the same strength is maintained.
The tire can be molded with, and the strength of the tire can be easily increased.
【００１４】[0014]
【発明の効果】この発明は、上記のように押出ダイイン
サートの上型と下型とに設ける複数のコード溝穴を、上
型と下型とに所定の間隔で交互に形成したので、押出機
を使用して補強コードを高密度に配置してゴム材料を被
覆成形でき、また押出ダイインサートの上型及び下型の
製作が簡単で、摩耗寿命も長く、安価に製作出来る効果
ある。As described above, according to the present invention, since a plurality of code groove holes provided in the upper die and the lower die of the extrusion die insert are formed alternately in the upper die and the lower die at a predetermined interval, the extruding die insert is extruded. Using the machine, the reinforcing cords can be arranged in high density to cover and mold the rubber material, and the upper die and the lower die of the extrusion die insert can be easily manufactured, the wear life is long, and the manufacturing cost is low.
【００１５】また、押出ダイインサートの上型と下型と
に所定の間隔で交互に形成した複数のコード溝穴に、ナ
イロン，スチール等の補強コードをそれぞれ挿通させ、
上型と下型とで配列された補強コードの表裏面及び補強
コード間に、一定厚さのゴム材料を押出して被覆するこ
とにより、高密度の補強コードを埋設した長尺の帯状材
料を製造することが出来、同一強度を維持した厚さの薄
い帯状材料でタイヤを成形することが出来、タイヤの強
度アップを容易に図ることが出来る効果がある。Further, a reinforcing cord made of nylon, steel or the like is inserted through a plurality of cord groove holes formed alternately in the upper die and the lower die of the extrusion die insert at predetermined intervals,
Manufacturing a long strip of material with high density reinforcement cords embedded by extruding and covering a rubber material with a certain thickness between the front and back surfaces of the reinforcement cords arranged in the upper mold and the lower mold and between the reinforcement cords. It is possible to form a tire with a thin band-shaped material that maintains the same strength, and there is an effect that the strength of the tire can be easily increased.
【図１】この発明を実施した上型と下型とから成る押出
ダイインサートの断面図である。FIG. 1 is a cross-sectional view of an extrusion die insert including an upper die and a lower die embodying the present invention.
【図２】上型と下型とから成る押出ダイインサートを、
押出機の押出ヘッドに装着した断面図である。FIG. 2 shows an extrusion die insert consisting of an upper die and a lower die,
It is sectional drawing with which the extrusion head of the extruder was equipped.
【図３】配列された補強コードにゴム材料を被覆した帯
状材料の幅方向における図２のＡーＡ矢視一部断面図で
ある。FIG. 3 is a partial cross-sectional view taken along the line AA of FIG. 2 in the width direction of the strip-shaped material in which the arranged reinforcing cords are covered with the rubber material.
【図４】この発明の第２実施例を示す上型と下型とから
成る押出ダイインサートを、押出機の押出ヘッドに装着
した断面図である。FIG. 4 is a cross-sectional view in which an extrusion die insert including an upper die and a lower die according to a second embodiment of the present invention is mounted on an extrusion head of an extruder.
【図５】配列された補強コードにゴム材料を被覆した帯
状材料の幅方向における図２のＢーＢ矢視一部断面図で
ある。5 is a partial cross-sectional view of the strip-shaped material obtained by coating the arranged reinforcing cords with the rubber material in the width direction as viewed from the direction of arrows BB in FIG.
【図６】上型と下型とから成る押出ダイインサートの第
３実施例を示す断面図である。FIG. 6 is a sectional view showing a third embodiment of an extrusion die insert including an upper die and a lower die.
【図７】従来の上型と下型とから成る押出ダイインサー
トの断面図である。FIG. 7 is a cross-sectional view of a conventional extrusion die insert including an upper die and a lower die.
１ａ 上型 １ｂ 下型 ２ 合わせ面 ３ 補強コード ５ コード溝穴 ６ 押出ヘッド ７ ゴム材料 ８ 型付けロール Ｗ 帯状材料 1a Upper mold 1b Lower mold 2 Mating surface 3 Reinforcing cord 5 Cord groove hole 6 Extrusion head 7 Rubber material 8 Molding roll W Strip material
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｌ 30:00 4Ｆ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display location B29L 30:00 4F
Claims (3)
設けた複数のコード溝穴に、補強コードをそれぞれ挿通
し、配列された補強コードの表裏面及び補強コード間に
ゴム材料を被覆する押出機における押出ダイインサート
において、前記上型と下型とに設ける複数のコード溝穴
を、上型と下型とに所定の間隔で交互に形成したことを
特徴とする押出機における押出ダイインサート。1. A rubber material is inserted between a plurality of cord slots formed at predetermined intervals on a mating surface of an upper die and a lower die, and the rubber material is inserted between the front and back surfaces of the arranged reinforcement cords and between the reinforcement cords. In the extrusion die insert in the extruder for coating, a plurality of code groove holes provided in the upper mold and the lower mold, in the extruder characterized in that the upper mold and the lower mold are alternately formed at a predetermined interval. Extrusion die insert.
した複数のコード溝穴に、それぞれ補強コードをそれぞ
れ挿通し、上型と下型にて配列された補強コードの表裏
面及び補強コード間に、押出ヘッドから押し出すゴム材
料を被覆することを特徴とする押出ダイインサートを用
いた補強コード入り帯状材料の押出方法。2. The front and back surfaces of the reinforcing cords arranged in the upper mold and the lower mold by inserting the reinforcing cords into a plurality of cord slots formed alternately in the upper mold and the lower mold at predetermined intervals. And a method for extruding a strip-shaped material with a reinforcing cord using an extrusion die insert, characterized in that a rubber material extruded from an extrusion head is coated between the reinforcing cords.
した複数のコード溝穴に、それぞれ補強コードをそれぞ
れ挿通し、上型と下型にて配列された補強コードの表裏
面及び補強コード間に、押出ヘッドから押し出すゴム材
料を被覆し、この成形された補強コード入り帯状材料
を、押出ヘッドの先端に設けた型付けロールに挾持し
て、補強コードが直列となるように揃えることを特徴と
する押出ダイインサートを用いた補強コード入り帯状材
料の押出方法。3. The front and back surfaces of the reinforcing cords arranged in the upper mold and the lower mold by inserting the reinforcing cords into a plurality of cord slots formed alternately in the upper mold and the lower mold at predetermined intervals. And, a rubber material extruded from the extrusion head is covered between the reinforcing cords, and the formed strip-shaped material containing the reinforcing cords is sandwiched by a molding roll provided at the tip of the extrusion head so that the reinforcing cords are aligned in series. A method for extruding a strip-shaped material containing a reinforcing cord using an extrusion die insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25849392A JP3354601B2 (en) | 1992-09-28 | 1992-09-28 | Extrusion die insert in extruder and method of extruding band material containing reinforcing cord using extrusion die insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25849392A JP3354601B2 (en) | 1992-09-28 | 1992-09-28 | Extrusion die insert in extruder and method of extruding band material containing reinforcing cord using extrusion die insert |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06106595A true JPH06106595A (en) | 1994-04-19 |
| JP3354601B2 JP3354601B2 (en) | 2002-12-09 |
Family
ID=17320980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25849392A Expired - Fee Related JP3354601B2 (en) | 1992-09-28 | 1992-09-28 | Extrusion die insert in extruder and method of extruding band material containing reinforcing cord using extrusion die insert |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3354601B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003053855A (en) * | 2001-06-08 | 2003-02-26 | Fuji Seiko Kk | Pneumatic tire, method for manufacturing the same, ribbon for body ply and body ply for pneumatic tire |
| JP2004122882A (en) * | 2002-10-01 | 2004-04-22 | Yokohama Rubber Co Ltd:The | Tire reinforcing material, manufacturing method of tire reinforcing material, and structure of die insert for manufacturing tire reinforcing material |
| JP2005246735A (en) * | 2004-03-03 | 2005-09-15 | Toyo Tire & Rubber Co Ltd | Topped cord fabric forming unit and topped cord fabric forming process |
| JP2006007457A (en) * | 2004-06-23 | 2006-01-12 | Bridgestone Corp | Insert for insulation die |
| KR100714964B1 (en) * | 2006-06-19 | 2007-05-04 | 한국타이어 주식회사 | Extruding die of 2-rank topping type |
| WO2007145013A1 (en) * | 2006-06-15 | 2007-12-21 | Bridgestone Corporation | Cord arranging tool |
-
1992
- 1992-09-28 JP JP25849392A patent/JP3354601B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003053855A (en) * | 2001-06-08 | 2003-02-26 | Fuji Seiko Kk | Pneumatic tire, method for manufacturing the same, ribbon for body ply and body ply for pneumatic tire |
| JP2004122882A (en) * | 2002-10-01 | 2004-04-22 | Yokohama Rubber Co Ltd:The | Tire reinforcing material, manufacturing method of tire reinforcing material, and structure of die insert for manufacturing tire reinforcing material |
| JP2005246735A (en) * | 2004-03-03 | 2005-09-15 | Toyo Tire & Rubber Co Ltd | Topped cord fabric forming unit and topped cord fabric forming process |
| JP2006007457A (en) * | 2004-06-23 | 2006-01-12 | Bridgestone Corp | Insert for insulation die |
| JP4508741B2 (en) * | 2004-06-23 | 2010-07-21 | 株式会社ブリヂストン | Insulation die insert |
| WO2007145013A1 (en) * | 2006-06-15 | 2007-12-21 | Bridgestone Corporation | Cord arranging tool |
| EP2030758A4 (en) * | 2006-06-15 | 2012-08-29 | Bridgestone Corp | Cord arranging tool |
| US8262065B2 (en) | 2006-06-15 | 2012-09-11 | Bridgestone Corporation | Cord aligning device |
| KR100714964B1 (en) * | 2006-06-19 | 2007-05-04 | 한국타이어 주식회사 | Extruding die of 2-rank topping type |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3354601B2 (en) | 2002-12-09 |
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