JP2002052911A - Pneumatic tire - Google Patents

Pneumatic tire

Info

Publication number
JP2002052911A
JP2002052911A JP2000240806A JP2000240806A JP2002052911A JP 2002052911 A JP2002052911 A JP 2002052911A JP 2000240806 A JP2000240806 A JP 2000240806A JP 2000240806 A JP2000240806 A JP 2000240806A JP 2002052911 A JP2002052911 A JP 2002052911A
Authority
JP
Japan
Prior art keywords
adhesive composition
tire
pneumatic tire
layer
bubble
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.)
Pending
Application number
JP2000240806A
Other languages
Japanese (ja)
Inventor
Shuichi Takeyama
秀一 武山
Shuichi Onoi
秀一 尾ノ井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokohama Rubber Co Ltd
Original Assignee
Yokohama Rubber Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yokohama Rubber Co Ltd filed Critical Yokohama Rubber Co Ltd
Priority to JP2000240806A priority Critical patent/JP2002052911A/en
Priority to DE10138603A priority patent/DE10138603A1/en
Priority to US09/924,966 priority patent/US20020036042A1/en
Publication of JP2002052911A publication Critical patent/JP2002052911A/en
Priority to US10/841,561 priority patent/US20040206438A1/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0681Parts of pneumatic tyres; accessories, auxiliary operations
    • B29D30/0685Incorporating auto-repairing or self-sealing arrangements or agents on or into tyres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0681Parts of pneumatic tyres; accessories, auxiliary operations
    • B29D30/0685Incorporating auto-repairing or self-sealing arrangements or agents on or into tyres
    • B29D2030/0686Incorporating sealants on or into tyres not otherwise provided for; auxiliary operations therefore, e.g. preparation of the tyre
    • B29D2030/0695Incorporating sealants on or into tyres not otherwise provided for; auxiliary operations therefore, e.g. preparation of the tyre the sealant being in the form of one wide strip, e.g. a patch

Abstract

PROBLEM TO BE SOLVED: To provide a pneumatic tire with reduced weight having a puncture prevention layer in a tire inside surface. SOLUTION: This pneumatic tire is constituted by disposing a bubble containing adhesive composition layer on the inside surface of a tire body 1 as the puncture prevention layer 2.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、空気入りタイヤに
関し、さらに詳しくは、タイヤ内面にパンク防止層を有
するタイヤについて、タイヤ重量を軽減することができ
る空気入りタイヤに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pneumatic tire, and more particularly, to a pneumatic tire capable of reducing the weight of a tire having a puncture prevention layer on the inner surface of the tire.

【0002】[0002]

【従来の技術】従来、タイヤ走行中に釘等を踏むことに
よるパンクを防止するために、図4に示すようにタイヤ
本体1の内面に粘着性組成物からなるパンク防止層2を
配置して、釘等がタイヤ内に刺さっても粘着性組成物が
釘等に粘着して包み込み、空気漏れを抑制し、パンクを
防止するようにした空気入りタイヤが知られている。
(特開昭54−6206号公報、特開昭55−1199
8号公報、特開平6−270283号公報等参照)
2. Description of the Related Art Conventionally, in order to prevent a puncture caused by stepping on a nail or the like during running of a tire, a puncture prevention layer 2 made of an adhesive composition is disposed on the inner surface of a tire body 1 as shown in FIG. There is known a pneumatic tire in which an adhesive composition adheres to and wraps around a nail or the like even if the nail or the like is stuck in the tire, thereby suppressing air leakage and preventing puncture.
(JP-A-54-6206, JP-A-55-1199)
No. 8, JP-A-6-270283, etc.)

【0003】しかしながら、粘着性組成物からなるパン
ク防止層をタイヤ内面に配置するとかなりのタイヤ重量
増加(例えば、約1kgの増加)につながってしまい、
自動車の燃費を大幅に上げることとなり、地球環境問
題、省エネルギー問題等に関して問題となってしまう。
[0003] However, if the puncture prevention layer composed of the adhesive composition is disposed on the inner surface of the tire, the weight of the tire increases considerably (for example, about 1 kg),
This significantly increases the fuel efficiency of automobiles, and causes problems regarding global environmental issues, energy saving issues, and the like.

【0004】[0004]

【発明が解決しようとする課題】従って、本発明の課題
は、タイヤ内面にパンク防止層を有するタイヤについ
て、タイヤ重量を軽減することができる空気入りタイヤ
を提供することにある。
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a pneumatic tire capable of reducing the weight of a tire having a puncture prevention layer on the inner surface of the tire.

【0005】[0005]

【課題を解決するための手段】本発明によれば、気泡含
有粘着性組成物層をパンク防止層としてタイヤ内面に配
置した空気入りタイヤが提供される。
According to the present invention, there is provided a pneumatic tire in which a bubble-containing adhesive composition layer is disposed on the inner surface of a tire as an anti-puncture layer.

【0006】また、本発明によれば、前記気泡含有粘着
性組成物層が、粘着性組成物を含浸させた発泡体からな
る前記空気入りタイヤが提供される。
Further, according to the present invention, there is provided the pneumatic tire, wherein the bubble-containing adhesive composition layer is made of a foam impregnated with the adhesive composition.

【0007】また、本発明によれば、前記気泡含有粘着
性組成物層が、中空体粒子および/または発泡体粒子を
含有する粘着性組成物からなる前記空気入りタイヤが提
供される。
Further, according to the present invention, there is provided the pneumatic tire, wherein the bubble-containing adhesive composition layer is made of an adhesive composition containing hollow particles and / or foam particles.

【0008】また、本発明によれば、前記気泡含有粘着
性組成物層が、発泡させた粘着性組成物からなる前記空
気入りタイヤが提供される。
Further, according to the present invention, there is provided the pneumatic tire, wherein the bubble-containing adhesive composition layer is made of a foamed adhesive composition.

【0009】以上のように、タイヤ内面に配置されたパ
ンク防止層として、気泡を含む粘着性組成物を用いるこ
とにより、従来よりも大幅に軽量化でき、軽量でありな
がら十分なパンク防止機能を有する空気入りタイヤを提
供することができる。
As described above, by using the adhesive composition containing air bubbles as the puncture prevention layer disposed on the inner surface of the tire, the weight can be significantly reduced as compared with the conventional one, and a sufficient puncture prevention function can be achieved while being light in weight. A pneumatic tire having the same can be provided.

【0010】[0010]

【発明の実施の形態】本発明の空気入りタイヤは、図1
に示すように、気泡含有粘着性組成物層がパンク防止層
2としてタイヤ本体1の内面に配置される。気泡含有粘
着性組成物層は、図1におけるA部の拡大断面図を図2
として示すように、粘着性組成物3中に気泡4を含むよ
うに構成されており、気泡4を含むためにパンク防止層
2を大幅に軽量化できるものである。
DESCRIPTION OF THE PREFERRED EMBODIMENTS A pneumatic tire according to the present invention is shown in FIG.
As shown in FIG. 1, the bubble-containing adhesive composition layer is disposed on the inner surface of the tire main body 1 as the puncture prevention layer 2. FIG. 2 is an enlarged cross-sectional view of part A in FIG.
As shown in the figure, the pressure-sensitive adhesive composition 3 is configured to include the air bubbles 4, and since the air bubbles 4 are included, the puncture prevention layer 2 can be significantly reduced in weight.

【0011】この気泡含有粘着性組成物層としては、粘
着性組成物を含浸させた発泡体、中空体粒子および/ま
たは発泡体粒子を含有する粘着性組成物、発泡させた粘
着性組成物等を挙げることができるが、その気泡は独立
気泡でも連続気泡であってもよい。
The foam-containing adhesive composition layer includes a foam impregnated with the adhesive composition, a hollow composition containing hollow body particles and / or foam particles, a foamed adhesive composition, and the like. The cells may be closed cells or open cells.

【0012】粘着性組成物としては、粘着性を有し、釘
等がタイヤに刺さった場合に釘等に粘着して、空気漏れ
を防ぐことができるものであればその材料は特に限定さ
れないが、例えば、エラストマーを含む粘着性組成物が
好適に使用される。エラストマーとしては、例えば、ブ
チルゴム、ポリイソブチレン、天然ゴム、イソプレンゴ
ム、および、ポリブテンの群より選ばれる少なくとも一
種であるのが、パンクしていない時の通常使用状態にお
ける空気透過性を保持できるという点で好ましい。
The material of the adhesive composition is not particularly limited as long as it has adhesiveness and can stick to the nail or the like when the nail or the like pierces the tire and can prevent air leakage. For example, an adhesive composition containing an elastomer is preferably used. As the elastomer, for example, butyl rubber, polyisobutylene, natural rubber, isoprene rubber, and at least one selected from the group consisting of polybutene are capable of maintaining air permeability in a normal use state when not punctured. Is preferred.

【0013】さらに、粘着性にするために、これらのエ
ラストマーにアモルファスポリオレフィン、パラフィン
オイル、液状ポリブテン等の低分子オリゴマーや石油樹
脂等のタッキファイヤを添加してもよい。また、耐熱性
を得るために、適当な架橋剤や加硫剤を配合してもよ
い。例えば、ブチルゴムやポリブテンの場合には、p−
キノンジオキシム等を配合すればよい。
Further, in order to make the elastomer sticky, low molecular oligomers such as amorphous polyolefin, paraffin oil and liquid polybutene and tackifier such as petroleum resin may be added to these elastomers. Further, in order to obtain heat resistance, an appropriate crosslinking agent or vulcanizing agent may be blended. For example, in the case of butyl rubber or polybutene, p-
What is necessary is just to mix quinone dioxime etc.

【0014】粘着性組成物を含浸させた発泡体として
は、ポリウレタン、ナイロン等の樹脂からなるスポンジ
状あるいは図5に示されるような網状に構成された脱膜
タイプのスポンジ状の連続気泡の発泡体に、粘着性組成
物を含浸させることにより得ることができる。例えば、
発泡体に空隙を残すようにしながら粘着性組成物を含浸
したものをタイヤ内面に配置したり、タイヤ内面に粘着
性組成物を塗布した後、その上に発泡体を配置し、さら
にその上から粘着性組成物を含浸させるようにしてもよ
い。
As the foam impregnated with the adhesive composition, a sponge-like sponge made of a resin such as polyurethane or nylon, or a foamed sponge-like open cell formed of a mesh as shown in FIG. It can be obtained by impregnating the body with the adhesive composition. For example,
Place the thing impregnated with the adhesive composition while leaving voids in the foam on the inner surface of the tire, or after applying the adhesive composition on the inner surface of the tire, place the foam on it, and further from above The adhesive composition may be impregnated.

【0015】粘着性組成物を含浸させた発泡体の他の例
としては、図3の5に示すような、気泡が点在するよう
に2枚のシートを貼り合せた気泡含有樹脂シートからな
る発泡体の両面に、粘着性組成物3を塗布・含浸させる
ようなものを使用することができる。
Another example of the foam impregnated with the adhesive composition is a foam-containing resin sheet obtained by laminating two sheets so that bubbles are scattered, as shown in FIG. What can apply and impregnate the adhesive composition 3 on both surfaces of the foam can be used.

【0016】以上のように、気泡含有粘着性組成物層と
して粘着性組成物を含浸させた発泡体を用いることによ
り、粘着性組成物の流動性が抑えられるので、図1のよ
うにパンク防止層2をタイヤサイド部にまで配置して
も、タイヤ走行中に受ける力によって、粘着性組成物が
流れるのを抑制するという効果もある。
As described above, by using a foam impregnated with the adhesive composition as the bubble-containing adhesive composition layer, the fluidity of the adhesive composition can be suppressed. Even if the layer 2 is arranged to the tire side portion, there is also an effect that the flow of the adhesive composition is suppressed by the force received during the running of the tire.

【0017】中空体粒子および/または発泡体粒子を含
有する粘着性組成物としては、粘着性組成物中に内部に
気泡を有する中空体粒子や発泡体粒子を配合し、分散さ
せたものを使用できる。中空体粒子や発泡体粒子は、予
め発泡させて中空状態や発泡状態にした粒子を粘着性組
成物に配合したり、粘着性組成物に発泡剤を含有した組
成物を配合し、加熱等によって粘着性組成物中で発泡さ
せることにより中空体粒子や発泡体粒子を形成させるよ
うにしてもよい。
As the adhesive composition containing the hollow particles and / or the foam particles, a mixture obtained by blending and dispersing hollow particles or foam particles having air bubbles therein in the adhesive composition is used. it can. Hollow body particles and foam particles are pre-foamed to form a hollow or foamed particle in an adhesive composition, or a composition containing a foaming agent in the adhesive composition, and heated, etc. Hollow body particles and foam particles may be formed by foaming in the adhesive composition.

【0018】発泡させた粘着性組成物としては、粘着性
組成物に発泡剤を配合し、加熱等によって発泡させるこ
とにより得ることができる。
The foamed adhesive composition can be obtained by blending a foaming agent with the adhesive composition and foaming the composition by heating or the like.

【0019】本発明の気泡含有粘着性組成物層の気泡の
量や大きさは、必要なタイヤ重量軽減量やパンク防止性
能に応じて、適宜設定することができ特に限定されない
が、例えば、空隙率で30〜97%、さらには50〜9
7%とするのが、タイヤ重量軽減とパンク防止性能の向
上の点で好ましい。
The amount and size of the bubbles of the bubble-containing pressure-sensitive adhesive composition layer of the present invention can be appropriately set according to the required amount of reduction in tire weight and puncture prevention performance, and are not particularly limited. 30-97%, even 50-9
7% is preferable in terms of reducing tire weight and improving puncture prevention performance.

【0020】[0020]

【実施例】以下、実施例によって本発明をさらに説明す
るが、本発明の範囲をこれらの実施例に限定するもので
ないことは言うまでもない。タイヤサイズ205/65
R15の加硫済みの乗用車用空気入りタイヤの内面に、
図1に示すように以下の各種パンク防止層を配置し、タ
イヤ重量を計測したうえで、タイヤに釘を突き刺し、引
き抜いて、24時間静置後にタイヤの空気圧の減量を測
定しパンク防止性能を確認した。なお、パンク防止層に
用いた粘着性組成物は、下記表1に示す配合(重量部)
を混合したものを用いた。
EXAMPLES Hereinafter, the present invention will be further described with reference to Examples, but it goes without saying that the scope of the present invention is not limited to these Examples. Tire size 205/65
On the inner surface of R15 vulcanized passenger car pneumatic tire,
As shown in FIG. 1, the following various puncture preventing layers are arranged, and after measuring the tire weight, a nail is pierced and pulled out, and after 24 hours standing, the decrease in tire air pressure is measured to determine the puncture prevention performance. confirmed. In addition, the adhesive composition used for the puncture prevention layer was blended (parts by weight) shown in Table 1 below.
Was used.

【0021】表1 ──────────────────────── ブチルゴム 100重量部 パラフィンオイル 20重量部 液状ポリブテン 200重量部 石油樹脂 30重量部 カーボンブラック 15重量部 亜鉛華 3重量部 ステアリン酸 1重量部 P−キノンジオキシム 6重量部 加硫促進剤DM 4重量部 鉛丹(Pb34) 2重量部 ──────────────────────── Table 1 @Butyl rubber 100 parts by weight Paraffin oil 20 parts by weight Liquid polybutene 200 parts by weight Petroleum resin 30 parts by weight Carbon black 15 parts by weight Zinc flower 3 parts by weight Stearic acid 1 part by weight P-quinone dioxime 6 parts by weight Vulcanization accelerator DM 4 parts by weight Lead red (Pb 3 O 4 ) 2 parts by weight ──────────────

【0022】上記表1に使用した各成分は、以下のもの
を使用した。 ブチルゴム:エクソンブチル258、エクソン社 液状ポリブテン:日石ポリブテンHV100、日本石油
社 石油樹脂:ハイレッツG−100X、三井化学社 カーボンブラック:ショウブラックN339、昭和キャ
ボット社 加硫促進剤DM:ジベンゾチアジルジスルフィド
The components used in Table 1 above were as follows. Butyl rubber: Exxon butyl 258, Exxon Liquid polybutene: Nisseki polybutene HV100, Nippon Oil Co., Ltd. Petroleum resin: Hiretz G-100X, Mitsui Chemicals, Inc. Carbon black: Show Black N339, Showa Cabot Co. Vulcanization accelerator DM: Dibenzothiazyl disulfide

【0023】実施例1および比較例1 粘着性組成物として、脱膜タイプの連続気泡のウレタン
発泡体シートに表1の粘着性組成物を含浸させたものを
タイヤ内面に配置し、150℃、30分加熱加硫して、
厚さ10mm、空隙率80%の気泡含有粘着性組成物層
(パンク防止層2)とし、実施例1のタイヤを得た。ま
た、比較として、タイヤ内面に粘着性組成物のみを配置
し、実施例1と同様に加熱して、厚さ10mmの粘着性
組成物層を有する比較例1のタイヤを製造した。実施例
1は比較例1に比べ、重量がパンク防止層2として50
%減量し、釘刺しによるパンク防止性能も比較例1と同
等で、良好な結果を示した。
Example 1 and Comparative Example 1 A pressure-sensitive adhesive composition obtained by impregnating a pressure-sensitive adhesive composition shown in Table 1 into an open-cell urethane foam sheet of a film-removing type was placed on the inner surface of a tire at 150 ° C. Heat vulcanize for 30 minutes,
A tire of Example 1 was obtained as a bubble-containing pressure-sensitive adhesive layer having a thickness of 10 mm and a porosity of 80% (anti-puncture layer 2). For comparison, only the adhesive composition was disposed on the inner surface of the tire, and heated in the same manner as in Example 1 to produce a tire of Comparative Example 1 having an adhesive composition layer having a thickness of 10 mm. Example 1 has a weight of 50 as the puncture prevention layer 2 compared to Comparative Example 1.
%, And the puncture prevention performance due to nail penetration was the same as that of Comparative Example 1, showing good results.

【0024】実施例2および比較例2 粘着性組成物として、表1の配合にさらに20重量部の
発泡剤を含む塩化ビニル樹脂の微粒子(マイクロスフェ
アF−82、松本油脂社)を配合したものをタイヤ内面
に配置し、150℃、30分加熱加硫して中空微粒子を
形成させて、厚さ3mm、空隙率40%の気泡含有粘着
性組成物層(パンク防止層2)とし、実施例2のタイヤ
を得た。また、比較として、タイヤ内面に粘着性組成物
のみを配置し、実施例2と同様に加熱して厚さ3mmの
粘着性組成物層を有する比較例2のタイヤを製造した。
実施例2は比較例2に比べ、重量がパンク防止層2とし
て30%減量し、釘刺しによるパンク防止性能も比較例
2と同等で、良好な結果を示した。
Example 2 and Comparative Example 2 As the adhesive composition, the composition shown in Table 1 was further blended with fine particles of a vinyl chloride resin (Microsphere F-82, Matsumoto Yushi Co., Ltd.) containing 20 parts by weight of a blowing agent. Was placed on the inner surface of a tire and heated and vulcanized at 150 ° C. for 30 minutes to form hollow fine particles to form a bubble-containing adhesive composition layer having a thickness of 3 mm and a porosity of 40% (puncture prevention layer 2). 2 tires were obtained. For comparison, only the adhesive composition was disposed on the inner surface of the tire, and heated in the same manner as in Example 2 to produce a tire of Comparative Example 2 having an adhesive composition layer having a thickness of 3 mm.
In Example 2, the weight of the puncture prevention layer 2 was reduced by 30% as compared with Comparative Example 2, and the puncture prevention performance due to nail penetration was equivalent to that of Comparative Example 2, showing good results.

【0025】実施例3 粘着性組成物として、表1の配合を150℃、30分の
条件で加熱して加硫した組成物100重量部に、30重
量部の発泡ポリスチレン粒子(スチロポール、三菱化学
BASF社)を配合したものをタイヤ内面に配置し、厚
さ3mm、空隙率70%の気泡含有粘着性組成物層(パ
ンク防止層2)とし、実施例3のタイヤを得た。実施例
3は上記の比較例2に比べ、重量がパンク防止層2とし
て45%減量し、釘刺しによるパンク防止性能も比較例
2と同等で、良好な結果を示した。
Example 3 As a self-adhesive composition, 30 parts by weight of expanded polystyrene particles (Styropor, Mitsubishi Chemical Corporation) were added to 100 parts by weight of a composition obtained by heating and vulcanizing the composition shown in Table 1 at 150 ° C. for 30 minutes. The tire of Example 3 was obtained by disposing a mixture containing BASF (BASF) on the inner surface of the tire to form a bubble-containing adhesive composition layer having a thickness of 3 mm and a porosity of 70% (anti-puncture layer 2). In Example 3, the weight of the puncture prevention layer 2 was reduced by 45% as compared with Comparative Example 2, and the puncture prevention performance due to nail penetration was the same as that of Comparative Example 2, showing good results.

【0026】実施例4 タイヤ内面に、表1の配合の粘着性組成物を150℃、
30分の条件で加熱して加硫したものを厚さ0.5mm
で塗布し、その上に図3の5に示すようなポリエチレン
樹脂からなる気泡含有樹脂シートを配置し、さらにその
上から粘着性組成物を塗布することにより、厚さ10m
m、空隙率80%の気泡含有粘着性組成物層(パンク防
止層2)を形成し、実施例4のタイヤとした。実施例4
は上記の比較例1に比べ、重量がパンク防止層2として
50%減量し、釘刺しによるパンク防止性能も比較例1
と同等で、良好な結果を示した。
Example 4 An adhesive composition having the composition shown in Table 1 was applied to the inner surface of a tire at 150 ° C.
Heated and vulcanized under the conditions of 30 minutes, thickness 0.5mm
3, a bubble-containing resin sheet made of a polyethylene resin as shown in 5 of FIG. 3 is disposed thereon, and a pressure-sensitive adhesive composition is further applied thereon to obtain a thickness of 10 m.
m, a bubble-containing adhesive composition layer having a porosity of 80% (anti-puncture layer 2) was formed to obtain a tire of Example 4. Example 4
In Comparative Example 1, the weight of the puncture prevention layer 2 was reduced by 50% as compared with Comparative Example 1 above, and the puncture prevention performance due to nail penetration was also observed.
And good results were obtained.

【0027】[0027]

【発明の効果】本発明に従って、空気入りタイヤの内面
に気泡含有粘着性組成物層をパンク防止層として配置す
ることによって、タイヤ内面にパンク防止層を有するタ
イヤについて、タイヤ重量を軽減することができる空気
入りタイヤを得ることができる。
According to the present invention, by arranging the bubble-containing adhesive composition layer as an anti-puncture layer on the inner surface of a pneumatic tire, it is possible to reduce the tire weight of a tire having an anti-puncture layer on the inner surface of the tire. A pneumatic tire that can be obtained.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の空気入りタイヤの子午線方向部分断面
図である。
FIG. 1 is a partial sectional view in the meridian direction of a pneumatic tire of the present invention.

【図2】図1におけるA部の拡大断面図である。FIG. 2 is an enlarged sectional view of a portion A in FIG.

【図3】本発明の空気入りタイヤのパンク防止層の一例
を示す断面図である。
FIG. 3 is a sectional view showing an example of a puncture prevention layer of the pneumatic tire of the present invention.

【図4】従来の空気入りタイヤの子午線方向部分断面図
である。
FIG. 4 is a partial cross-sectional view in the meridian direction of a conventional pneumatic tire.

【図5】脱膜タイプのスポンジ状の発泡体の構造を示す
説明図である。
FIG. 5 is an explanatory view showing the structure of a sponge-like foam of a film-removal type.

【符号の説明】[Explanation of symbols]

1 タイヤ本体 2 パンク防止層 3 粘着性組成物 4 気泡 DESCRIPTION OF SYMBOLS 1 Tire main body 2 Puncture prevention layer 3 Adhesive composition 4 Air bubbles

フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) C08L 23/20 C08L 23/20 23/22 23/22 101/00 101/00 Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat II (reference) C08L 23/20 C08L 23/20 23/22 23/22 101/00 101/00

Claims (7)

【特許請求の範囲】[Claims] 【請求項1】 気泡含有粘着性組成物層をパンク防止層
としてタイヤ内面に配置した空気入りタイヤ。
1. A pneumatic tire in which a bubble-containing adhesive composition layer is disposed on the inner surface of a tire as an anti-puncture layer.
【請求項2】 前記気泡含有粘着性組成物層が、粘着性
組成物を含浸させた発泡体からなる請求項1に記載の空
気入りタイヤ。
2. The pneumatic tire according to claim 1, wherein the bubble-containing adhesive composition layer is made of a foam impregnated with the adhesive composition.
【請求項3】 前記気泡含有粘着性組成物層が、中空体
粒子および/または発泡体粒子を含有する粘着性組成物
からなる請求項1に記載の空気入りタイヤ。
3. The pneumatic tire according to claim 1, wherein the bubble-containing adhesive composition layer is made of an adhesive composition containing hollow particles and / or foam particles.
【請求項4】 前記気泡含有粘着性組成物層が、発泡さ
せた粘着性組成物からなる請求項1に記載の空気入りタ
イヤ。
4. The pneumatic tire according to claim 1, wherein the bubble-containing adhesive composition layer is made of a foamed adhesive composition.
【請求項5】 前記気泡含有粘着性組成物層が、エラス
トマーを含む請求項1〜4のいずれか1項に記載の空気
入りタイヤ。
5. The pneumatic tire according to claim 1, wherein the bubble-containing adhesive composition layer contains an elastomer.
【請求項6】 前記エラストマーが、ブチルゴム、ポリ
イソブチレン、天然ゴム、イソプレンゴム、および、ポ
リブテンの群より選ばれる少なくとも一種である請求項
5に記載の空気入りタイヤ。
6. The pneumatic tire according to claim 5, wherein the elastomer is at least one selected from the group consisting of butyl rubber, polyisobutylene, natural rubber, isoprene rubber, and polybutene.
【請求項7】 前記気泡含有粘着性組成物層の空隙率
が、30〜97%である請求項1〜6のいずれか1項に
記載の空気入りタイヤ。
7. The pneumatic tire according to claim 1, wherein the porosity of the bubble-containing adhesive composition layer is 30 to 97%.
JP2000240806A 2000-08-09 2000-08-09 Pneumatic tire Pending JP2002052911A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2000240806A JP2002052911A (en) 2000-08-09 2000-08-09 Pneumatic tire
DE10138603A DE10138603A1 (en) 2000-08-09 2001-08-07 Pneumatic tyres for motor vehicles, comprises pore-containing layer of adhesive compound attached to inside of tyre as puncture-resistant layer
US09/924,966 US20020036042A1 (en) 2000-08-09 2001-08-09 Pneumatic tire
US10/841,561 US20040206438A1 (en) 2000-08-09 2004-05-10 Pneumatic tire with puncture prevention layer in tire inner surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000240806A JP2002052911A (en) 2000-08-09 2000-08-09 Pneumatic tire

Publications (1)

Publication Number Publication Date
JP2002052911A true JP2002052911A (en) 2002-02-19

Family

ID=18732107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000240806A Pending JP2002052911A (en) 2000-08-09 2000-08-09 Pneumatic tire

Country Status (1)

Country Link
JP (1) JP2002052911A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002362120A (en) * 2001-06-11 2002-12-18 Yokohama Rubber Co Ltd:The Pneumatic tire
JP2005297858A (en) * 2004-04-14 2005-10-27 Sumitomo Rubber Ind Ltd Assembly of pneumatic tire and rim
JP2006231987A (en) * 2005-02-22 2006-09-07 Bridgestone Corp Tire particle aggregate
EP1967543A1 (en) * 2007-03-06 2008-09-10 Sumitomo Rubber Industries, Ltd. Rubber composition for inner liner
CN101979255A (en) * 2010-11-05 2011-02-23 张雨军 Puncture-resistant safe tire for passenger vehicle
JP2013043643A (en) * 2011-08-26 2013-03-04 Hankook Tire Co Ltd Pneumatic tire and method for manufacturing the same
JPWO2015115486A1 (en) * 2014-01-30 2017-03-23 住友ゴム工業株式会社 Sealant tire
CN110001311A (en) * 2019-05-07 2019-07-12 江苏通用科技股份有限公司 Low noise tire structure

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002362120A (en) * 2001-06-11 2002-12-18 Yokohama Rubber Co Ltd:The Pneumatic tire
JP4615764B2 (en) * 2001-06-11 2011-01-19 横浜ゴム株式会社 Pneumatic tire
JP2005297858A (en) * 2004-04-14 2005-10-27 Sumitomo Rubber Ind Ltd Assembly of pneumatic tire and rim
JP2006231987A (en) * 2005-02-22 2006-09-07 Bridgestone Corp Tire particle aggregate
EP1967543A1 (en) * 2007-03-06 2008-09-10 Sumitomo Rubber Industries, Ltd. Rubber composition for inner liner
CN101979255A (en) * 2010-11-05 2011-02-23 张雨军 Puncture-resistant safe tire for passenger vehicle
JP2013043643A (en) * 2011-08-26 2013-03-04 Hankook Tire Co Ltd Pneumatic tire and method for manufacturing the same
CN102950974A (en) * 2011-08-26 2013-03-06 韩国轮胎株式会社 Pneumatic tire and method for manufacturing the same
JPWO2015115486A1 (en) * 2014-01-30 2017-03-23 住友ゴム工業株式会社 Sealant tire
JP2017119510A (en) * 2014-01-30 2017-07-06 住友ゴム工業株式会社 Sealant tire
CN110395077A (en) * 2014-01-30 2019-11-01 住友橡胶工业株式会社 Self-repairing tyre
US11267297B2 (en) 2014-01-30 2022-03-08 Sumitomo Rubber Industries, Ltd. Sealant tire
CN110001311A (en) * 2019-05-07 2019-07-12 江苏通用科技股份有限公司 Low noise tire structure

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