WO2003033282A1 - Pneumatique - Google Patents
Pneumatique Download PDFInfo
- Publication number
- WO2003033282A1 WO2003033282A1 PCT/JP2002/009933 JP0209933W WO03033282A1 WO 2003033282 A1 WO2003033282 A1 WO 2003033282A1 JP 0209933 W JP0209933 W JP 0209933W WO 03033282 A1 WO03033282 A1 WO 03033282A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tire
- barrier film
- air barrier
- adhesive sealant
- air
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/12—Puncture preventing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/16—Auto-repairing or self-sealing arrangements or agents
- B29C73/18—Auto-repairing or self-sealing arrangements or agents the article material itself being self-sealing, e.g. by compression
- B29C73/20—Auto-repairing or self-sealing arrangements or agents the article material itself being self-sealing, e.g. by compression the article material only consisting in part of a deformable sealing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/16—Auto-repairing or self-sealing arrangements or agents
- B29C73/22—Auto-repairing or self-sealing arrangements or agents the article containing elements including a sealing composition, e.g. powder being liberated when the article is damaged
-
- 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
- B29D30/0685—Incorporating auto-repairing or self-sealing arrangements or agents on or into tyres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/12—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/12—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim
- B60C5/14—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre
- B60C5/142—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre provided partially, i.e. not covering the whole inner wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/20—Inflatable pneumatic tyres or inner tubes having multiple separate inflatable chambers
-
- 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
- B29D30/0685—Incorporating auto-repairing or self-sealing arrangements or agents on or into tyres
- B29D2030/0686—Incorporating sealants on or into tyres not otherwise provided for; auxiliary operations therefore, e.g. preparation of the tyre
- B29D2030/0689—Incorporating sealants on or into tyres not otherwise provided for; auxiliary operations therefore, e.g. preparation of the tyre by incorporating the sealant into a plurality of chambers, e.g. bags, cells, tubes or closed cavities
-
- 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
- B29D30/0685—Incorporating auto-repairing or self-sealing arrangements or agents on or into tyres
- B29D2030/0686—Incorporating sealants on or into tyres not otherwise provided for; auxiliary operations therefore, e.g. preparation of the tyre
- B29D2030/0695—Incorporating 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10522—Multiple chamber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10666—Automatic sealing of punctures [e.g., self-healing, etc.]
- Y10T152/10675—Using flowable coating or composition
- Y10T152/10684—On inner surface of tubeless tire
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10666—Automatic sealing of punctures [e.g., self-healing, etc.]
- Y10T152/10675—Using flowable coating or composition
- Y10T152/10684—On inner surface of tubeless tire
- Y10T152/10693—Sealant in plural layers or plural pockets
Definitions
- the present invention relates to a pneumatic tire having a self-sealing function, and more particularly, to a pneumatic tire having an adhesive sealant on an inner surface of the tire.
- the run-flat tire (1) has a problem in that the weight increases due to the rigidity and the riding comfort is poor.
- the method of injecting the repair liquid in (2) has less problems of weight increase than in (1), but there is a problem that the driver must go out of the vehicle and perform the injection work at the time of puncturing.
- the method (3) requires less weight as in (1) and has a self-sealing function even if a person does not perform injection work during puncturing as in (2). This has the advantage of reducing
- (3) is a method that has advantages over (1) and (2).
- it is necessary to arrange the adhesive sealant with a certain thickness on the inner surface of the tire. As a result, the increase in weight cannot be avoided and the fuel efficiency of automobiles will increase.
- the adhesive sealant is exposed on the inner surface of the tire. Therefore, when the tire is mounted on or removed from the vehicle, the adhesive sealant sticks to the hand and the workability is poor.
- An object of the present invention is to provide a pneumatic tire having an adhesive sealant on the inner surface of the tire, capable of minimizing a weight increase and having excellent workability. .
- a pneumatic tire according to the present invention includes an air barrier film disposed at least on a tire inner surface in a tread portion, a space formed between the air barrier film and the tire inner surface, and the air barrier film formed thereon.
- the adhesive is characterized by laminating an adhesive sealant on the surface on the space side.
- the air barrier film on which the adhesive sealant is laminated is disposed on the inner surface of the tire through the space, so that when the nail or the like is pierced into the tire, the nail or the like is irritated.
- the barrier film at that part sticks to the inner surface of the tire via the adhesive sealant, preventing the air filled in the tire from leaking. can do.
- the sealing function is mainly performed by the barrier film, and the adhesive sealant functions as an adhesive for the air barrier film.Therefore, the amount of the adhesive sealant to be used is reduced, and the weight of the tire is reduced. Can be.
- the adhesive sealant is placed inside the air barrier film, the adhesive sealant is not exposed, and the adhesive sealant does not come into direct contact with workers when installing or removing tires.
- FIG. 1 is a meridian half sectional view showing an example of the pneumatic tire of the present invention.
- FIG. 2 is a cross-sectional view of an essential part showing a state where a nail is slashed on the pneumatic tire of FIG.
- FIG. 3 is an enlarged sectional view of a main part of the pneumatic tire of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 shows an example of a pneumatic tire according to the present invention, and shows a meridian half section.
- 1 is a tread portion
- 2 is a sidewall portion
- 3 is a bead portion.
- a force layer 4 is mounted between the pair of left and right bead portions 3, 3, and both ends in the tire width direction are wound around the bead core 5 from the inside to the outside of the tire.
- a belt layer 6 is provided on the outer side of the carcass layer 4 in the tread portion 1, and an inner liner 17 is disposed inside the carcass layer 4.
- an air barrier film 10 that forms a plurality of independent air chambers is arranged along the inner surface of the tire, and the air barrier film 10 and the inner surface of the tire inner surface are arranged.
- a space 8 is formed between the liner 7 and the liner 7.
- An adhesive sealant 9 is laminated on the surface of the air barrier film 10 on the space portion 8 side. That is, an adhesive sealant 9 is internally applied to the air barrier film 10.
- Fig. 2 shows an enlarged view of the main part of the inner surface of the tire.
- an adhesive film 11 is adhered to the inner surface of the inner liner 7, and an air barrier film 10 forming a plurality of dome-shaped air chambers is adhered inside the adhesive film 11.
- the air barrier film 10 with the adhesive sealant 9 applied thereto may be directly attached to the surface of the inner liner 7 without disposing the adhesive film 11, but the adhesive sealant 9 may be used. If the air barrier film 10 with the inside is preliminarily arranged on the shell occupation film 11 and this is adhered to the inner liner 17 as shown in Fig. 2, efficient adhering work can be achieved. It can be carried out.
- the air barrier film 10 with the adhesive sealant 9 applied inside is emptied.
- the air barrier film 10 and the air barrier film 10 that adhered around the nail 12 were attached to the inner surface of the tire with the gap 8 interposed.
- the amount (area) of one runt 9 increases, and the air leakage prevention function can be improved.
- the air barrier film 10 sticks to the inner surface of the tire via the adhesive sealant 9 and functions to close the hole through which the nail 12 came out. Therefore, it is possible to prevent the air filled in the tire from leaking.
- the puncture hole sealing function mainly works with an air barrier film, the amount of adhesive to be used is smaller than when using only an adhesive sealant. The weight can be reduced as compared with a pneumatic tire for preventing puncture using sealant.
- the adhesive sealant is adhered to the air barrier film, the adhesive sealant is not exposed, and the tires can be smoothly attached and removed from the vehicle without directly touching the adhesive sealant. It can be carried out.
- the adhesive sealant is not particularly limited as long as it is adhesive and has a sealing property.
- IIR isobutylene / isoprene rubber
- examples of such materials include partially added sealants.
- the thickness of the adhesive sealant is preferably from 0.1 to 4 mm. Adhesive If the thickness of the sealant is less than 0.1 mm, the adhesion of the air barrier film to the inner surface of the tire will be insufficient, and if it is more than 4 mm, there is no problem in sealing performance, but the weight of the tire is too large.
- the air barrier film is not particularly limited as long as it is impermeable to air and has flexibility.
- polyethylene or polyethylene It is formed by a film made of tate or the like.
- the thickness of the air barrier film is preferably 0.10.5 mm. If the thickness is smaller than 0.01 mm, the film strength is reduced.If the thickness is larger than 0.5 mm, the film is hardly deformed. It is difficult to adhere to the puncture hole.
- the total thickness W of the thickness of the air barrier film and the thickness of the space is preferably 5 to 2 O mm (see Fig. 3). If the total thickness W is less than 5 mm, the space is too small, and the amount of the air barrier film is not enough to close the puncture hole. On the other hand, if the total thickness W is larger than 20 mm, it is difficult to follow the inner surface of the tire.
- the air barrier film is disposed at least on the inner surface of the tire in the tread portion, a space is formed between the air barrier film and the inner surface of the tire, and the adhesive film is formed on the surface of the air barrier film on the space portion side. Since one runt is laminated, air leakage can be effectively prevented when a nail or the like is pierced into a tire.
- the sealing function is mainly performed by the air barrier film, and the adhesive sealant functions as an adhesive for the barrier film, the amount of the adhesive sealant to be used can be reduced, and the tire weight can be reduced.
- the adhesive sealant is placed inside the air barrier film, the adhesive sealant is not exposed, and the adhesive sealant does not come into direct contact with workers when installing or removing tires.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Description
曰月糸田 β
空気入りタイヤ
技 術 分 野
本発明は、 自己シ一ル機能を有する空気入りタイヤに関し、 さらに詳 しくは、 タイヤ内面に粘着性シ一ラントを具備する空気入りタイヤに関 する。
背 景 技 術
従来、走行中に釘等を踏んだときのタイヤのパンク対策として、 (1) タイヤ内部に剛性部を内挿しておくランフラットタイヤ、 (2) パンクし たときエアバルブからタイャ内に液状修理剤を注入して穴を塞ぐ方法、 (3) 夕ィャ製造時に予め夕ィャ内面に粘着性シーラントを積層しておく 方法等の提案がある。
しかし、 (1) のランフラットタイヤは剛性物により重量が増加し、乗 心地も悪ィ匕するという問題がある。 (2) の修理液を注入する方法は重量 化の問題は(1) よりも少ないが、 パンク時に運転者が車外に出て注入作 業を行わなければならないという問題があつた。
これら(1) 、 (2) に対し、 (3) の方法は、 (1) のような重量化が少な く、 かつ(2) のようにパンク時に人が注入作業を行わなくても自己シ一 ルするという利点がある。
しかし、 (3) は(1) や(2) よりも優れた点を有する方法であるが、粘 着性シーラントをタイヤ内面にある程度の厚みで配置する必要があるた め、 通常のタイヤに比べると重量増加を避けることができず、 自動車の 燃費を増大させるようになる。
また、 (3) の方法は、 粘着性シーラントがタイヤ内面に露出するため、 タイヤを車両に装着したり、 取り外す等の作業時には、 粘着性シーラン トが手に付着する等、 作業性の悪いものであった。
発 明 の 開 示
本発明の目的は、 タイヤ内面に粘着性シ一ラントを具備する空気入り タイヤにおいて、 重量増加を極力小さく抑制可能にすると共に、 取り扱 い作業性に優れた空気入りタイヤを提供することにある。
上記目的を達成するための本発明の空気入りタイヤは、 少なくともト レツド部におけるタイヤ内面にエアバリア膜を配置し、該エアバリア膜 と前記タイヤ内面との間に空間部を形成すると共に、前記エアバリァ膜 の空間部側の表面に粘着性シ一ラントを積層したことを特徴とするもの である。
このように、粘着性シ一ラントを積層したエアバリア膜を、空間部を 介、在 ί させて、 タイヤ内面に配置したことにより、 タイヤに釘等が刺さ た場合に、 釘等の剌さつた部分の空間部から空気が夕ィャ内側に排出さ れると同時に、 その部分のェアバリァ膜が粘着性シーラントを介して夕 ィャ内面に貼り付くため、 タイャ内に充填された空気の漏洩を防止する ことができる。
このようにシール機能を主としてェアバリァ膜で行い、 粘着性シ一ラ ントはエアバリア膜の接着剤として機能するので、 使用すべき粘着性シ 一ラントの量を少なくし、 タイャ重量を軽量化することができる。
また、 粘着性シ一ラントをエアバリア膜の内側に配置したため、 粘着 性シ一ラントが露出しておらず、 タイヤの取り付け、 取り外し作業時に、 粘着性シーラントが作業者に直接触れることがない。
図面の簡単な説明
図 1は、本発明の空気入りタイヤの一例を示す子午線半断面図である。 図 2は、 図 1の空気入りタイヤに釘が剌さったときの状態を示す要部 断面図である。
図 3は、 図 1の空気入りタィャの要部拡大断面図である。
発明を実施するための最良の形態
以下、添付図面に示す本発明の実施形態を詳細に説明する。
図 1は本発明の空気入りタイャの一例であり、 子午線半断面を示して いる。 図 1において、 1はトレッド部、 2はサイドウォール部、 3はビ ード部である。 左右一対のビ一ド部 3 , 3間には力一カス層 4が装架さ れ、 そのタイャ幅方向両端部がそれぞれビードコア 5の廻りにタイヤ内 側から外側へ卷き上げられている。 トレツド部 1におけるカーカス層 4 の外周側にはベルト層 6が設けられ、 カーカス層 4の内側にはィンナ一 ライナ一 7が配置されている。
インナ一ライナー 7の内面のトレッド部 1に対応する位置には、 タイ ャ内面に沿って複数の独立した気室を形成するエアバリァ膜 1 0が配置 され、 このエアバリア膜 1 0とタイヤ内面のインナ一ライナー 7との間 に空間部 8が形成されている。 また、 エアバリア膜 1 0の空間部 8側の 表面には粘着性シ一ラント 9が積層されている。 即ち、 エアバリア膜 1 0には粘着性シーラント 9が内貼りされている。
図 2はタイヤ内面の要部を拡大して示すものである。 図 1に示すよう に、 インナ一ライナー 7の内面には、 貼着用フィルム 1 1が接着され、 その内側に、 複数のドーム状の気室を形成するエアバリア膜 1 0が貼り 付けられている。
ここで、 粘着性シ一ラント 9を内貼りしたエアバリア膜 1 0は貼着用 フィルム 1 1を配置せずに、 直接インナ一ライナー 7の表面に貼り付け ても良いが、 粘着性シ一ラント 9を内貼りしたエアバリア膜 1 0を予め 貝占着用フィルム 1 1に配置したものを作成し、 これを図 2のようにイン ナーライナ一 7に貼着するようにすると、 効率的に貼り付け作業を行う ことができる。
このように、 粘着性シ一ラント 9を内貼りしたエアバリア膜 1 0を空
間部 8を介在させてタイヤ内面に貼り付けたため、 図 1に示すように釘 1 2が貫通するように剌さったとき、 その釘 1 2の周囲に貼り付くエア バリア膜 1 0と粘着性シ一ラント 9の量 (面積) が多くなり、 空気の漏 洩防止機能を良好にすることができる。
貫通した釘 1 2が高速走行時の遠心力により拔けた場合には、 ェアバ リア膜 1 0が粘着性シーラント 9を介してタイヤ内面に貼り付き、 釘 1 2が抜けた穴を塞ぐように機能するため、 タイヤ内に充填された空気の 漏洩を防止することができる。
上記パンク孔のシール機能はエアバリア膜を主にして作用するため使 用すべき粘着性シ一ラントの量が、 粘着性シ一ラントだけでシールする 場合に比べて少なくて済み、 従来の粘着性シ一ラント使用のパンク防止 用空気入りタイヤと比較して軽量化することができる。
また、 粘着性シ一ラントはエアバリア膜に内貼りされているため、粘 着性シーラントが露出しておらず、 タイヤの車両に対する取り付け、取 り外し作業を粘着性シーラントに直接触れることなく円滑に行うことが できる。
本発明において粘着性シーラントは、 粘着性でシール性を有するもの であれば特に限定されないが、 例えば、 イソブチレン ·イソプレンゴム ( I I R) 1 0 0重量部に対してポリブテンを 3 0〜 3 0 0重量部添加 してなるシ一ラント等の材料を例示することができる。
また、粘着性シーラントの厚さは 0 · 1〜 4 mmが好ましい。 粘着性 シ一ラントの厚さが 0 . 1 mmより小さいと、 エアバリア膜のタイヤ内 面に対する接着力が十分 なくなり、 4 mmより大きいと、 シール性は 問題ないが、 タイャ重量が大きくなり過ぎる。
エアバリア膜は、 エアに対して非透過性で柔軟性を有するものであれ ば特に限定されない。 例えば、 ポリエチレンやポリエチレンビュルァセ
テート等からなる膜により形成される。
また、 エアバリア膜の厚さは、 0 . 0 1 0 . 5 mmが好ましく、 0 0 l mmより小さいと膜強度が低くなり、 0 . 5 mmより大きいと、 膜 が自在に変形し難くなり、 パンク孔に密着し難くなる。
エアバリア膜の厚さと空間部の厚さの合計厚さ Wは 5〜2 O mmが好 ましい (図 3参照) 。 この合計厚さ Wが 5 mmより小さいと、 空間が小 さ過ぎ、 エアバリア膜の量がパンク孔を塞ぐのに十分でなくなる。 また、 合計厚さ Wが 2 0 mmより大きいとタイヤ内面へ追従し難くなり、 また、 かさばる為に貼付作業も困難になる。
以上、 本発明の好ましい実施形態について詳細に説明したが、 添付ク レームによって規定される本発明の精神及び範囲を逸脱しない限りにお いて、 これに対して種々の変更、 代用及び置換を行うことができると理 解されるべきである。
産業上の利用可能性
本発明によれば、少なくともトレッド部におけるタイヤ内面にェアバ リァ膜を配置し、該エアバリァ膜とタイヤ内面との間に空間部を形成す ると共に、 ェアバリァ膜の空間部側の表面に粘着性シ一ラントを積層し たから、 タイヤに釘等が刺さった場合に、空気の漏洩を効果的に防止す ることができる。
しかも、 シール機能を主としてエアバリア膜で行い、 粘着性シーラン 卜はェアバリァ膜の接着剤として機能するので、使用すべき粘着性シ一 ラントの量を少なくし、 タイヤ重量を軽量化することができる。
また、粘着性シ一ラントをエアバリア膜の内側に配置したため、 粘着 性シ一ラントが露出しておらず、 タイヤの取り付け、 取り外し作業時に、 粘着性シーラントが作業者に直接触れることがない。
従って、 優れた自己シール機能を有すると共に、軽量で取り扱いが容
易な空気入りタイヤを提供することができる。
Claims
1. 少なくともトレッド部におけるタイヤ内面にエアバリア膜を配置 し、 該エアバリア膜と前記タイヤ内面との間に空間部を形成すると共に、 前記エアバリァ膜の空間部側の表面に粘着性シーラントを積層した空気 入りタイヤ。
2. 前記エアバリァ膜が前記タィャ内面に沿つて複数の独立した気室 を形成する請求の範囲第 1項に記載の空気入りタイヤ。
3. 前記粘着性シ一ラントの厚さが 0. 1〜4 mmである請求の範囲 第 1項に記載の空気入りタイヤ。
4. 前記エアバリア膜の厚さが 0. 0 1〜0. 5mmである請求の範 囲第 1項に記載の空気入りタイヤ。
5. 前記エアバリア膜と前記空間部の合計厚さが 5〜 2 Ommである 請求の範囲第 1項乃至第 4項のいずれかに記載の空気入りタイヤ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02772924A EP1437239A4 (en) | 2001-10-18 | 2002-09-26 | TIRE |
US10/468,473 US7040364B2 (en) | 2001-10-18 | 2002-09-26 | Pneumatic tire |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-320501 | 2001-10-18 | ||
JP2001320501A JP4297241B2 (ja) | 2001-10-18 | 2001-10-18 | 空気入りタイヤ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003033282A1 true WO2003033282A1 (fr) | 2003-04-24 |
Family
ID=19137884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/009933 WO2003033282A1 (fr) | 2001-10-18 | 2002-09-26 | Pneumatique |
Country Status (4)
Country | Link |
---|---|
US (1) | US7040364B2 (ja) |
EP (1) | EP1437239A4 (ja) |
JP (1) | JP4297241B2 (ja) |
WO (1) | WO2003033282A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4952263B2 (ja) * | 2007-01-15 | 2012-06-13 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP4346666B2 (ja) * | 2008-02-26 | 2009-10-21 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2011020479A (ja) * | 2009-07-13 | 2011-02-03 | Sumitomo Rubber Ind Ltd | 制音体付空気入りタイヤ |
FR2957295B1 (fr) * | 2010-03-15 | 2012-04-13 | Michelin Soc Tech | Procede et dispositif de fabrication d'une bande continue d'un produit fortement collant emballe dans un film thermoplastique |
US8646501B2 (en) | 2010-11-11 | 2014-02-11 | The Goodyear Tire & Rubber Company | Puncture sealant laminate |
US8617334B2 (en) | 2011-09-12 | 2013-12-31 | The Goodyear Tire & Rubber Company | Method and apparatus for making a compartmentalized tire sealant strip |
US10894443B2 (en) | 2014-12-19 | 2021-01-19 | Exxonmobil Chemical Patents Inc. | Expansible barrier film assemblies |
DE102015212488A1 (de) * | 2015-07-03 | 2017-01-05 | Continental Reifen Deutschland Gmbh | Fahrzeugluftreifen |
CN108312785A (zh) * | 2018-01-09 | 2018-07-24 | 殷周平 | 爆胎可续行轮胎 |
WO2022203485A1 (fr) * | 2021-03-22 | 2022-09-29 | El Hilali Najib | Bande en mousse speciale a positionner a l'interieur d'un pneu de vehicule, pour renforcer son etancheite et le rendre increvable. |
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US1480252A (en) | 1922-11-03 | 1924-01-08 | Fetter Edward | Inner tube |
US3444918A (en) | 1967-04-24 | 1969-05-20 | True Car Value Inc | Self-sealing safety tire |
US3563294A (en) | 1968-07-02 | 1971-02-16 | Alex Chien | Puncture-sealing band |
DE2457808A1 (de) | 1974-06-05 | 1976-04-01 | Gen Tire & Rubber Co | Pannenschutzeinrichtung fuer luftreifen |
US4286643A (en) | 1978-05-10 | 1981-09-01 | Compagnie Generale Des Etablissements Michelin | Pneumatic tire having a lining of puncture sealing product |
JPH06270283A (ja) | 1993-01-22 | 1994-09-27 | Bridgestone Corp | 空気入りタイヤ |
EP0893236A1 (en) | 1997-07-22 | 1999-01-27 | Sumitomo Rubber Industries Ltd. | Self-sealing tyre and method of making the same |
DE19839911A1 (de) | 1998-09-02 | 2000-03-16 | Hans Juergen Iffert | Schutzvorrichtung eines Fahrzeugreifens |
EP1065042A1 (en) | 1998-03-16 | 2001-01-03 | Honda Giken Kogyo Kabushiki Kaisha | Method of manufacturing sealant-containing tires, and sealant-containing tire |
JP2001206007A (ja) * | 2000-01-27 | 2001-07-31 | Honda Motor Co Ltd | チューブレスタイヤ |
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US3129743A (en) * | 1962-06-27 | 1964-04-21 | Mohawk Rubber Company | Puncture sealant-safety diaphragm means for pneumatic tires and combinations thereof with pneumatic tires |
IT963742B (it) * | 1972-08-04 | 1974-01-21 | Pirelli | Pneumatico di sicurezza provvisto di una struttura gonfiabile auto maticamente al prodursi di fori o lacerazioni nel pneumatico |
CA987211A (en) * | 1973-05-03 | 1976-04-13 | Roy J. Emerson | Puncture sealing means for pneumatic tires |
FR2383032A1 (fr) * | 1977-03-08 | 1978-10-06 | Michelin & Cie | Pneumatique avec revetement interne auto-obturant |
US4945965A (en) * | 1987-10-29 | 1990-08-07 | Kim Bok Kyu | Safety tube assembly for pneumatic tires |
-
2001
- 2001-10-18 JP JP2001320501A patent/JP4297241B2/ja not_active Expired - Fee Related
-
2002
- 2002-09-26 US US10/468,473 patent/US7040364B2/en not_active Expired - Fee Related
- 2002-09-26 WO PCT/JP2002/009933 patent/WO2003033282A1/ja active Application Filing
- 2002-09-26 EP EP02772924A patent/EP1437239A4/en not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1480252A (en) | 1922-11-03 | 1924-01-08 | Fetter Edward | Inner tube |
US3444918A (en) | 1967-04-24 | 1969-05-20 | True Car Value Inc | Self-sealing safety tire |
US3563294A (en) | 1968-07-02 | 1971-02-16 | Alex Chien | Puncture-sealing band |
DE2457808A1 (de) | 1974-06-05 | 1976-04-01 | Gen Tire & Rubber Co | Pannenschutzeinrichtung fuer luftreifen |
US4286643A (en) | 1978-05-10 | 1981-09-01 | Compagnie Generale Des Etablissements Michelin | Pneumatic tire having a lining of puncture sealing product |
JPH06270283A (ja) | 1993-01-22 | 1994-09-27 | Bridgestone Corp | 空気入りタイヤ |
EP0893236A1 (en) | 1997-07-22 | 1999-01-27 | Sumitomo Rubber Industries Ltd. | Self-sealing tyre and method of making the same |
EP1065042A1 (en) | 1998-03-16 | 2001-01-03 | Honda Giken Kogyo Kabushiki Kaisha | Method of manufacturing sealant-containing tires, and sealant-containing tire |
DE19839911A1 (de) | 1998-09-02 | 2000-03-16 | Hans Juergen Iffert | Schutzvorrichtung eines Fahrzeugreifens |
JP2001206007A (ja) * | 2000-01-27 | 2001-07-31 | Honda Motor Co Ltd | チューブレスタイヤ |
Non-Patent Citations (1)
Title |
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See also references of EP1437239A4 * |
Also Published As
Publication number | Publication date |
---|---|
US20040074579A1 (en) | 2004-04-22 |
JP4297241B2 (ja) | 2009-07-15 |
EP1437239A1 (en) | 2004-07-14 |
US7040364B2 (en) | 2006-05-09 |
JP2003118329A (ja) | 2003-04-23 |
EP1437239A4 (en) | 2008-04-16 |
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