JPH02147329A - Manufacture of tire - Google Patents
Manufacture of tireInfo
- Publication number
- JPH02147329A JPH02147329A JP63302981A JP30298188A JPH02147329A JP H02147329 A JPH02147329 A JP H02147329A JP 63302981 A JP63302981 A JP 63302981A JP 30298188 A JP30298188 A JP 30298188A JP H02147329 A JPH02147329 A JP H02147329A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- rim
- tire
- stuck
- beads
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000000843 powder Substances 0.000 claims abstract description 38
- 239000011324 bead Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011787 zinc oxide Substances 0.000 claims abstract description 5
- 235000014692 zinc oxide Nutrition 0.000 claims abstract description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 abstract description 12
- 241000254043 Melolonthinae Species 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Tyre Moulding (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、効果的にリムズレを防止しうるタイヤを製造
しうるタイヤの製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a tire manufacturing method capable of manufacturing a tire that can effectively prevent rim slippage.
車両の急停止、急旋回などにより、タイヤに大きな荷重
が作用したときには、該タイヤがリムから位１ずれする
いわゆるリムズレが生じる。このリムズレを防止するに
は、従来、タイヤとリムとの嵌合力を増大させるべく、
ビードコアの内径ＤＡ、ビードベースの内径ＤＢを夫々
減じ、リムとの締付は力を増大させていた。When a large load is applied to a tire due to a sudden stop or sudden turn of a vehicle, so-called rim displacement occurs, in which the tire shifts by one degree from the rim. In order to prevent this rim displacement, conventional methods have been used to increase the fitting force between the tire and the rim.
By reducing the inner diameter DA of the bead core and the inner diameter DB of the bead base, the tightening force with the rim was increased.
しかしながら、このようなタイヤの内径を減じるもので
は、タイヤをリムに嵌合させるに際して必要な空気内圧
、即ち嵌合圧が上昇し、嵌合不良を発生させるという問
題があった。However, such a method for reducing the inner diameter of the tire has a problem in that the internal air pressure required to fit the tire onto the rim, that is, the fitting pressure increases, resulting in poor fitting.
本発明は、粉体を用いてタイヤのビード部とリムとの間
の摩擦係数を大とすることによって、嵌合圧を増加する
ことなく嵌合力を高め、リムズレを防止しうるタイヤを
生産しうるタイヤの製造方法の提供を目的としている。The present invention uses powder to increase the coefficient of friction between the tire bead and the rim, thereby increasing the fitting force without increasing the fitting pressure and producing a tire that can prevent rim slippage. The purpose is to provide a method for manufacturing wet tires.
本発明は、加硫されるタイヤのビード部にリムと接する
部分を含んでリムズレ防止用の粉体又は粉体を含む流体
を付着させたのち該タイヤを加硫するタイヤの製造方法
である。The present invention is a method for manufacturing a tire, in which powder or fluid containing powder for preventing rim slippage is applied to the bead portion of the tire to be vulcanized, including the portion in contact with the rim, and then the tire is vulcanized.
加硫前に付着した粉体、液体に含まれていた粉体は、加
硫とともにタイヤに強固に結合され、ビード部を粗面と
する。従ってこのようなタイヤは、リムに取付けた際、
該リムとの摩擦係数が大となって強固に嵌着でき、リム
ズレを防ぐ。Powder deposited before vulcanization and powder contained in the liquid are firmly bonded to the tire during vulcanization, making the bead part a rough surface. Therefore, when such tires are installed on the rim,
The coefficient of friction between the rim and the rim is large, allowing a strong fit and preventing the rim from slipping.
又加硫される別のタイヤのビード部とは、いわゆる生カ
バーの他、−次加硫されたものなど、最終仕上げまでの
段階において何らかの、少な（ともビード部が加硫され
るタイヤを含む、又粉体は加硫によりビード部に強固に
接合し、リムとの間の摩擦係数を高めるものであれば、
石粉、ガラス粉、金属粉、さらにはアラミド等の樹脂粉
をも用いるが、リム、と−ド部の摩損防止、耐久性、ゴ
ム、リムとのなじみなどの観点から、カーボン、亜鉛華
、炭酸カルシュームなどが好適に利用できる。又粉体は
、加硫前のビード部に振掛け、塗布し又は吹付けなどに
より直接付着させても、又前記のごとく液体に混入させ
た後、刷毛塗り、スプレー塗装などによって付着させる
こともできる。In addition, the bead part of another tire to be vulcanized refers to, in addition to so-called raw covers, tires that have been vulcanized, etc., and that have some small amount (including tires whose bead part is vulcanized) during the final finishing stage. Also, if the powder is firmly bonded to the bead part by vulcanization and increases the coefficient of friction between it and the rim,
Stone powder, glass powder, metal powder, and even resin powder such as aramid are used, but carbon, zinc white, carbonate, etc. are used from the viewpoint of preventing abrasion of the rim and the joint, durability, and compatibility with rubber and rims. Calcium and the like can be suitably used. The powder can be applied directly to the bead before vulcanization by sprinkling, coating, or spraying, or it can be mixed into the liquid as described above and then applied by brushing, spraying, etc. can.
以下本発明の一実施例を図面に基づき説明する。 An embodiment of the present invention will be described below based on the drawings.
第１図は加硫されたタイヤ１がリム２に装着された状態
を例示する。FIG. 1 illustrates a state in which a vulcanized tire 1 is mounted on a rim 2.
該タイヤ１のビード部３は、はぼ中心に配した円環状の
ビードコア４には、カーカス５が折返されるとともに、
該カーカス５の本体部６と折返し部７との間には、前記
ビードコア４から半径方向外向きにのびるビードエーペ
ックス９が設けられる。The bead portion 3 of the tire 1 has a carcass 5 folded back onto an annular bead core 4 arranged at the center of the tire.
A bead apex 9 extending radially outward from the bead core 4 is provided between the main body portion 6 and the folded portion 7 of the carcass 5.
又ビード部３には適宜の補強タイヤ１１．１２を配する
とともに、と−ド部底面１３を通りかつ内端がトウ部の
内面に沿い立上るとともにカーカス５の折返し部７外縁
とクエンチゴム１４との間に他端が挟まれるチェーファ
１７を設けている。In addition, appropriate reinforcing tires 11 and 12 are arranged on the bead portion 3, and the inner end passes through the bottom surface 13 of the toe portion and rises along the inner surface of the toe portion, and the outer edge of the folded portion 7 of the carcass 5 and the quench rubber 14 are connected to each other. A chafer 17 whose other end is sandwiched between them is provided.
又前記リム２は、ビード底に沿うリムシート２１に、前
記ビード部３のタイヤ軸方向外面の立面１９に沿って上
方にのびるフランジ２３を形成している。Further, the rim 2 has a flange 23 formed on the rim seat 21 along the bead bottom and extending upwardly along the vertical surface 19 of the outer surface of the bead portion 3 in the tire axial direction.
本発明のタイヤの製造方法においては、粉体を、加硫前
のタイヤにおいて、少なくとも、リム２と接するビード
底１３に付着する。又さらには前記立面１９など、ビー
ド部３がリム２と接する部分の全面に亘って付着させる
のがよく、又該部分からはみ出して粉体を付着させるこ
ともできる。なお前記立面１９では、粉体はクリンチゴ
ム１４に直接に、又 ビード底１４では前記チェーファ
１７をゴム引きする該ゴムに付着する。In the tire manufacturing method of the present invention, powder is attached to at least the bead bottom 13 in contact with the rim 2 in the tire before vulcanization. Further, it is preferable to apply the powder over the entire surface of the area where the bead portion 3 contacts the rim 2, such as the vertical surface 19, or it is also possible to apply the powder to the area extending beyond the area. On the vertical surface 19, the powder adheres directly to the clinch rubber 14, and on the bead bottom 14, the powder adheres to the rubber that rubberizes the chafer 17.
なおチェーファ１３を有しないビード部３など、種々構
成の異なるビード部に同様に使用できる。Note that it can be similarly used for bead parts having various different configurations, such as the bead part 3 without the chafer 13.
このような加硫前のタイヤを加硫金型によっ、て加硫成
形することによって、粉体は強固に該ビード部３に付着
する。By vulcanizing and molding such an unvulcanized tire using a vulcanization mold, the powder firmly adheres to the bead portion 3.
前記粉体を混入した液体を塗布することによっても粉体
を付着できる。又粉体として、前記カーボン、亜鉛華、
炭酸カルシュームを用いるときには、液体として水を好
適に用いることができ、又該粉体は、５重量％以上かつ
３０重量％以下を混入させる。５重量％よりも小である
とき、塗布作業の能率に劣り、又３０重量％をこえると
きには均一な塗布は困難であり、むらが生じやすい。従
って前記範囲とする。なお加硫は通常の加硫条件で行う
。The powder can also be attached by applying a liquid mixed with the powder. In addition, as a powder, the carbon, zinc white,
When using calcium carbonate, water can be suitably used as the liquid, and the powder is mixed in an amount of 5% by weight or more and 30% by weight or less. When it is less than 5% by weight, the efficiency of the coating operation is poor, and when it exceeds 30% by weight, uniform coating is difficult and unevenness tends to occur. Therefore, it is set as the above range. The vulcanization is carried out under normal vulcanization conditions.
タイヤサイズ１９５／６５Ｒ１５のタイヤを、第１表に
示すように、ビードコア径ＤＡ、ビードベース径ＤＢ、
ビードベースの長さしを変化させて試作した。なお第１
表において、符号「Ｓ」は標準寸法であることを示し、
又「−数値」は、標準寸法より該数値分短寸であること
を示す。又粉体処理をしない通常のタイヤを、比較例と
して製作した。なお粉体は、カーボンを１５重量％の比
率において水に混和した液体を、生カバーのビード部に
塗布したのち、通常の加硫処理を行ったものである。As shown in Table 1, a tire with a tire size of 195/65R15 has a bead core diameter DA, a bead base diameter DB,
Prototypes were made by varying the length of the bead base. Note that the first
In the table, the symbol "S" indicates standard dimensions,
Moreover, "-numerical value" indicates that the dimension is shorter than the standard dimension by that numerical value. In addition, a normal tire without powder treatment was manufactured as a comparative example. The powder was prepared by applying a liquid mixture of carbon and water at a ratio of 15% by weight to the bead portion of the green cover, and then subjecting it to a normal vulcanization treatment.
又各タイヤを、２７００ ｃｃの乗用車の駆動側の左右
に取付けるとともに、時速８０１ａｎから５回の急ブレ
ーキを作動させた後のリムズレ量（ｍｓ）を測定した結
果を第１表に併示している。なおＲは右輪、Ｌは左輪の
リムズレ量を示している。第１表から明らかなように、
実施例品はいずれも嵌合圧が小であり、かつリムズレ量
は大巾に改善されている。Table 1 also shows the results of installing each tire on the left and right sides of the drive side of a 2700 cc passenger car and measuring the amount of rim slippage (ms) after applying the brakes suddenly five times from 801 an hour. . Note that R indicates the amount of rim displacement of the right wheel, and L indicates the amount of rim displacement of the left wheel. As is clear from Table 1,
In all of the example products, the fitting pressure is small, and the amount of rim displacement is greatly improved.
このように本発明のタイヤの製造方法は、加硫前のタイ
ヤのと一ド部に所定の粉体、もしくは粉体を含んだ液体
を塗布するという簡易な作業によって、リムズレを大巾
に減じうるタイヤを製造しうる。As described above, the tire manufacturing method of the present invention greatly reduces rim slippage by applying a predetermined powder or a liquid containing powder to the rim of the tire before vulcanization. We can manufacture wet tires.
第１図は本発明の製造方法により製造したタイヤを例示
する断面図である。
２・−・リム、 ３−・・ビード部。FIG. 1 is a cross-sectional view illustrating a tire manufactured by the manufacturing method of the present invention. 2--Rim, 3--Bead part.
Claims (1)
含んでリムズレ防止用の粉体又は粉体を含む液体を付着
させたのち該タイヤを加硫するタイヤの製造方法。 ２ 前記粉体はカーボン、亜鉛華、炭酸カルシュームか
ら選ばれた一種又はその混合体であることを特徴とする
請求項１記載のタイヤの製造方法。 ３ 前記液体は、カーボン、亜鉛華、炭酸カルシューム
から選ばれた一種又はその混合体を５重量％以上かつ３
０％重量％以下の比率で含むことを特徴とする請求項１
記載のタイヤの製造方法。[Scope of Claims] 1. A method for manufacturing a tire, in which a powder or a liquid containing powder for preventing rim slippage is applied to the bead portion of the tire to be vulcanized, including the portion in contact with the rim, and then the tire is vulcanized. . 2. The method for manufacturing a tire according to claim 1, wherein the powder is one selected from carbon, zinc white, and calcium carbonate, or a mixture thereof. 3. The liquid contains at least 5% by weight of one selected from carbon, zinc white, and calcium carbonate or a mixture thereof.
Claim 1 characterized in that the content is 0% by weight or less.
Method of manufacturing the tire described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63302981A JP2843343B2 (en) | 1988-11-30 | 1988-11-30 | Tire manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63302981A JP2843343B2 (en) | 1988-11-30 | 1988-11-30 | Tire manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02147329A true JPH02147329A (en) | 1990-06-06 |
| JP2843343B2 JP2843343B2 (en) | 1999-01-06 |
Family
ID=17915497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63302981A Expired - Lifetime JP2843343B2 (en) | 1988-11-30 | 1988-11-30 | Tire manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2843343B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971467A (en) * | 1995-10-06 | 1999-10-26 | Honda Giken Kogyo Kabushiki Kaisha | Tilting structure for motor vehicle seat |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62163802A (en) * | 1986-01-14 | 1987-07-20 | Asahi Malleable Iron Co Ltd | Tire slip preventing device for wheel |
-
1988
- 1988-11-30 JP JP63302981A patent/JP2843343B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62163802A (en) * | 1986-01-14 | 1987-07-20 | Asahi Malleable Iron Co Ltd | Tire slip preventing device for wheel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971467A (en) * | 1995-10-06 | 1999-10-26 | Honda Giken Kogyo Kabushiki Kaisha | Tilting structure for motor vehicle seat |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2843343B2 (en) | 1999-01-06 |
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