JP2003127242A - Hose used for both injection and extraction of sealing agent and repairing method for tire using the same - Google Patents

Hose used for both injection and extraction of sealing agent and repairing method for tire using the same

Info

Publication number
JP2003127242A
JP2003127242A JP2001323809A JP2001323809A JP2003127242A JP 2003127242 A JP2003127242 A JP 2003127242A JP 2001323809 A JP2001323809 A JP 2001323809A JP 2001323809 A JP2001323809 A JP 2001323809A JP 2003127242 A JP2003127242 A JP 2003127242A
Authority
JP
Japan
Prior art keywords
sealing agent
tire
hose
injection
container
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
Application number
JP2001323809A
Other languages
Japanese (ja)
Other versions
JP3782333B2 (en
Inventor
Masahiro Kishida
正寛 岸田
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.)
Sumitomo Rubber Industries Ltd
Original Assignee
Sumitomo Rubber Industries 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 Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Priority to JP2001323809A priority Critical patent/JP3782333B2/en
Publication of JP2003127242A publication Critical patent/JP2003127242A/en
Application granted granted Critical
Publication of JP3782333B2 publication Critical patent/JP3782333B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C73/00Repairing 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
    • B29C73/16Auto-repairing or self-sealing arrangements or agents
    • B29C73/166Devices or methods for introducing sealing compositions into articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a hose which can be used for both injection and extraction of a sealing agent and makes it possible to conduct the work for collecting a used sealing agent conveniently and cleanly, and which also enables unification of routes for collection and disposal of the sealing agent. SOLUTION: One end E1 is connected to a sealing agent vessel 2 and the other to an air valve (t) of a tier. Consequently, it is made possible to inject the sealing agent from the air valve (t) and to repair temporarily the tire blowing out. The hose can be inserted into the tire from a valve fitting hole 13 wherefrom the air valve (t) is removed and the injected sealing agent can be extracted thereby. The length of the hose is made 300-500 mm and moreover the bending stiffness thereof is made 30-150 Mpa.

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、パンクしたタイヤ
へのシーリング剤の注入、及び注入されたシーリング剤
のタイヤからの抜き取りの双方に用いることができ、使
用済シーリング剤の回収作業を便宜にかつ清浄に行いう
るシーリング剤の注入・抜き取り兼用ホース、及びそれ
を用いたタイヤの補修方法に関する。
TECHNICAL FIELD The present invention can be used both for injecting a sealing agent into a punctured tire and for extracting the injected sealing agent from the tire. The present invention also relates to a hose capable of cleanly injecting and removing a sealing agent, and a tire repairing method using the hose.

【0002】[0002]

【従来の技術、及び発明が解決しようとする課題】近
年、スペアタイヤに代わり、パンクしたタイヤにシーリ
ング剤を注入することにより、パンクを応急的に修理す
るシステムが多用されている。
2. Description of the Related Art In recent years, a system for punctually repairing a flat tire by injecting a sealing agent into a flat tire instead of a spare tire has been widely used.

【0003】このシステムでは、図6に略示するよう
に、シーリング剤aを収容する金属製の耐圧容器bに、
開閉バルブeを有するキャップを装着するとともに、前
記開閉バルブeの注入口e1と高圧空気源c、及び開閉
バルブeの吐出口e2とタイヤの空気バルブtとを夫々
耐圧ホースh1、h2で連結する。
In this system, as schematically shown in FIG. 6, a metal pressure vessel b containing a sealing agent a,
A cap having an opening / closing valve e is attached, and an inlet e1 of the opening / closing valve e and a high pressure air source c, and a discharge port e2 of the opening / closing valve e and an air valve t of a tire are connected by pressure hoses h1 and h2, respectively. .

【0004】そして、高圧空気源cからの高圧空気を開
閉バルブeをへて供給することで、容器b内に収容され
ているシーリング剤aをタイヤ内に圧送せしめ、その
後、引き続いて充填される高圧空気によりタイヤをポン
プアップする。この状態でタイヤを走行させることによ
って、パンク穴が応急的にシールされる。
Then, by supplying high-pressure air from the high-pressure air source c to the opening / closing valve e, the sealing agent a contained in the container b is pressure-fed into the tire, and then continuously filled. Pump up tires with high pressure air. The puncture hole is temporarily sealed by running the tire in this state.

【0005】しかし、前記システムは応急的な修理であ
るため、適当な時期に、自動車整備工場などのタイヤ補
修場所に持ち込み、新品タイヤへの交換、或いは専門の
修理業者による補修処理が行われる。
However, since the system is an emergency repair, the tire is brought to a tire repair place such as an automobile repair shop at a proper time, and a new tire is replaced or a repair process by a specialized repair company is performed.

【0006】このとき、応急修理したタイヤからシーリ
ング剤を抜き取ることが必要であり、従来、タイヤのビ
ード部をリムから落とし、タイヤチェンジャーにて慎重
にタイヤをリムから取り外した後、タイヤを立てて底に
溜まったシーリング剤をカップなどでまとめてすくい出
している。しかしこの方法では、タイヤチェンジャーで
取り外す際にシーリング剤がタイヤから漏れ出し易く、
周囲を汚損させるという問題がある。
At this time, it is necessary to remove the sealing agent from the tire which has been repaired immediately. Conventionally, the bead portion of the tire is dropped from the rim, the tire is carefully removed from the rim by the tire changer, and then the tire is set up. The sealing agent that has accumulated on the bottom is scooped out in a cup. However, with this method, the sealing agent easily leaks from the tire when it is removed with the tire changer,
There is a problem of polluting the surroundings.

【0007】そこで、空気バルブを取り除いたバルブ取
付孔からタイヤ内にホースを挿入し、シーリング剤を抜
き取ることが提案されるが、タイヤがパンクする頻度が
非常に少ないため、タイヤ補修場所に抜き取り用の専用
ホースや回収容器を常備させることは難しく、その実施
を困難なものとしていた。
Therefore, it is proposed to insert a hose into the tire from the valve mounting hole from which the air valve has been removed, and to remove the sealing agent. It was difficult to keep a dedicated hose and collection container for the same, and it was difficult to implement them.

【0008】他方、前記システムに代わり、非耐圧性の
変形容易なプラスチック容器を用い、この容器を手で圧
搾(押圧)することによりシーリング剤をタイヤに注入
し、しかる後、この容器を取り外し、タイヤに別途コン
プレッサを接続してポンプアップするシステムが案出さ
れている(前者を一体システム、後者を分離システムと
いう場合がある)。この分離システムでは、容器自体が
安価であるため、品質保証期限切れを起こした未使用の
シーリング剤を容器ごと回収可能であり、コストの低減
や環境への悪影響防止などへのメリットがある。
On the other hand, instead of the system described above, a non-pressure resistant and easily deformable plastic container is used, and the sealing agent is injected into the tire by squeezing (pressing) this container by hand, and then the container is removed, A system has been devised to pump up by connecting a compressor to the tire separately (the former may be called an integrated system and the latter a separation system). In this separation system, since the container itself is inexpensive, it is possible to collect the unused sealing agent whose quality assurance period has expired together with the container, which is advantageous in reducing costs and preventing adverse effects on the environment.

【0009】そこで本発明者は、この分離システムに着
目し、いったんパンク修理に使用した使用済み容器を、
タイヤ補修場所でシーリング剤をタイヤから抜き取る際
の回収容器としても使用することを提案した。即ち、前
記プラスチック容器を変形から復帰させる際に生じる吸
引力を利用し、バルブ取付孔から挿入したホースを介し
てタイヤ内のシーリング剤を直接前記容器に回収するの
である。こうすることにより、タイヤ補修場所に専用の
回収容器を常備させる必要がなくなり、回収作業を便宜
にかつ清浄に行うことができる。しかも、このものを、
品質保証期限切れの未使用シーリング剤の回収廃棄の処
理ルートにものせうるなど処理ルートの一本化を達成し
うる。
Therefore, the present inventor paid attention to this separation system, and used a used container once for puncture repair,
It was proposed to use it as a recovery container when removing the sealing agent from the tire at the tire repair place. That is, the sealing agent in the tire is directly collected in the container via the hose inserted from the valve mounting hole by utilizing the suction force generated when the plastic container is restored from the deformation. By doing so, it is not necessary to always have a dedicated recovery container at the tire repair place, and the recovery operation can be performed conveniently and cleanly. Moreover, this
A single processing route can be achieved, for example, by collecting and discarding unused sealing agent whose quality guarantee has expired.

【0010】しかしながら、そのためには、注入に使用
したホースを抜き取りにも使用可能であることが必要で
あり、又抜き取り作業を容易とするために、ホースの長
さ及び曲げ硬さも非常に重要となってくる。
However, for that purpose, it is necessary that the hose used for injection can also be used for withdrawal, and in order to facilitate the withdrawal work, the length and bending hardness of the hose are also very important. Is coming.

【0011】本発明は、このような状況に鑑みなされた
もので、シーリング剤の注入、抜き取りの双方に用いる
ことができ、使用済シーリング剤の回収作業を便宜にか
つ清浄に行いうるとともに、シーリング剤の回収廃棄処
理ルートの一本化に貢献しうるシーリング剤の注入・抜
き取り兼用ホース及びそれを用いたタイヤの補修方法の
提供を目的としている。
The present invention has been made in view of the above circumstances, and can be used for both injecting and withdrawing a sealing agent, so that the used sealing agent can be recovered conveniently and cleanly, and at the same time, the sealing agent can be used. It is an object of the present invention to provide a hose for both injecting and withdrawing a sealing agent and a method for repairing a tire using the hose, which can contribute to unifying the collection and disposal route of the agent.

【0012】[0012]

【課題を解決するための手段】前記目的を達成するため
に、本願請求項1の発明は、シーリング剤を収納するシ
ーリング剤容器に一端が連結され、かつパンクしたタイ
ヤの空気バルブに他端を接続することにより、該空気バ
ルブからシーリング剤を注入しパンクしたタイヤを応急
的に修理しうるとともに、取り外された前記タイヤの前
記空気バルブを取り除いたバルブ取付孔から該タイヤ内
に挿入し前記注入されたシーリング剤を抜き取り可能と
する一方、長さを300〜500mm、しかも曲げこわ
さを30〜150Mpaとしたことを特徴としている。
In order to achieve the above object, the invention according to claim 1 of the present application has one end connected to a sealing agent container for containing a sealing agent and the other end to an air valve of a flat tire. By connecting the air valve, a punctured tire can be temporarily repaired by injecting a sealing agent, and the tire that has been removed can be inserted into the tire through the valve mounting hole from which the air valve has been removed and the injection can be performed. The sealing agent can be extracted, while the length is 300 to 500 mm and the bending stiffness is 30 to 150 MPa.

【0013】又請求項2は、タイヤの補修方法の発明で
あって、前記請求項1記載のシーリング剤の注入・抜き
取り兼用ホースを、前記シーリング剤の注入後にタイヤ
から取り外してタイヤ補修場所に搬入し、該タイヤ補修
場所において、前記注入されたシーリング剤を該シーリ
ング剤の注入・抜き取り兼用ホースによってタイヤから
抜き取ることを特徴としている。
A second aspect of the present invention is an invention of a method for repairing a tire, wherein the hose for injection and withdrawal of the sealing agent according to claim 1 is removed from the tire after the sealing agent is injected and carried into a tire repair place. However, at the tire repair location, the injected sealing agent is extracted from the tire by a hose that also serves as an injection / extraction of the sealing agent.

【0014】[0014]

【発明の実施の形態】以下、本発明の実施の一形態を、
図示例とともに説明する。図1は、本発明の注入・抜き
取り兼用ホース1(以下兼用ホース1という場合があ
る)の一端E1が、シーリング剤を収納するシーリング
剤容器2に、連結キャップ3を介して連結された注入前
の状態を示す正面図であり、前記シーリング剤容器2
は、円筒状の胴部5と、その上端に設けられかつ取出し
口4を有する小径な首部6とを具える。また本例では、
前記胴部5と首部6とが円錐状のショルダー部7を介し
て滑らかに連なって形成される好ましい場合を例示して
いる。
BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below.
This will be described together with the illustrated example. FIG. 1 is a front view of an injection / detachment hose 1 (hereinafter also referred to as a combined hose 1) of the present invention in which one end E1 is connected to a sealing agent container 2 containing a sealing agent via a connection cap 3. FIG. 3 is a front view showing the state of FIG.
Comprises a cylindrical body 5 and a small diameter neck 6 provided at the upper end thereof and having an outlet 4. Also in this example,
The case where the body portion 5 and the neck portion 6 are smoothly connected to each other via the conical shoulder portion 7 is illustrated.

【0015】なおシーリング剤は、周知の如く、ゴムラ
テックスを主成分とした例えば粘度40cps(20
℃)前後の粘性の高い液状体であり、要求により粘着付
与剤や凍結防止剤などを配合して構成される。
As is well known, the sealing agent is mainly composed of rubber latex and has a viscosity of 40 cps (20
It is a liquid with high viscosity before and after (° C), and is composed by adding a tackifier, an antifreezing agent, etc., as required.

【0016】ここで、前記シーリング剤容器2では、前
記胴部5を手によって押圧(圧搾)し、それに伴う容積
減少によって、収容するシーリング剤を取出し口4から
押し出してタイヤ内に注入する。このように、従来の如
き高圧空気を用いることがないため、シーリング剤容器
2には高い耐圧性能は不要であり、従って、合成樹脂を
用いた非耐圧性容器として安価に提供することが可能と
なる。なお、このシーリング剤容器2に要求される耐圧
強度としては、200〜450kPaの範囲であり、高
圧空気を用いた従来システム(前記一体システム)の金
属容器(耐圧強度は1Mpa以上)に比して非常に低い
ものとなっている。
Here, in the sealing agent container 2, the body 5 is pressed (squeezed) by hand, and the volume of the sealing agent is reduced accordingly, so that the sealing agent to be accommodated is pushed out from the outlet 4 and injected into the tire. As described above, since the high pressure air unlike the conventional case is not used, the sealing agent container 2 does not need to have a high pressure resistance performance. Therefore, it is possible to inexpensively provide it as a non-pressure resistant container using a synthetic resin. Become. The compressive strength required for the sealing agent container 2 is in the range of 200 to 450 kPa, which is higher than that of a metal container (compressive strength of 1 MPa or more) of a conventional system (the integrated system) using high pressure air. It is very low.

【0017】しかしながら、このようなシーリング剤容
器2においては、 手による圧搾が容易であること; ガスバリア性(耐ガス透過性)によってシーリング
剤中のアンモニアや水分等の抜けを防止し、シーリング
剤の品質保証期間を長期に確保すること; 容器本体自他の機械的強度や耐候性を確保するこ
と;が重要となる。
However, in such a sealing agent container 2, it is easy to squeeze by hand; the gas barrier property (gas permeation resistance) prevents the escape of ammonia, water, etc. in the sealing agent, and It is important to secure a long quality assurance period; to secure the mechanical strength and weather resistance of the container itself.

【0018】従って、シーリング剤容器2では、前記
の圧搾性のために、前記胴部5を円筒状に形成して変形
を円滑かつ容易としており、特に本例では、前記胴部5
と首部6とを前記ショルダー部7で継ぐことにより、更
に変形しやすいものとしている。
Therefore, in the sealing agent container 2, the body portion 5 is formed in a cylindrical shape for smoothness and ease of deformation because of the squeezing property. Particularly, in this embodiment, the body portion 5 is formed.
By connecting the neck portion 6 and the neck portion 6 with the shoulder portion 7, the deformation is further facilitated.

【0019】又前記、のために、少なくとも胴部5
の囲壁を、図2に拡大して示す如く、少なくとも2種類
の熱可塑性樹脂からなりかつ内層5i、中層5m、及び
外層5oを含む3層の積層体とするとともに、前記中層
5mをガスバリア性樹脂によって形成している。
Further, for the above, at least the body portion 5
As shown in an enlarged scale in FIG. 2, the surrounding wall is a three-layer laminate made of at least two types of thermoplastic resins and including an inner layer 5i, an intermediate layer 5m, and an outer layer 5o, and the intermediate layer 5m is a gas barrier resin. Is formed by.

【0020】なおガスバリア性樹脂として、エチレン・
酢酸ビニル共重合体のけん化物、ポリ塩化ビニリデン、
ポリアクリロニトリル、ポリメタキシリレンジアミンア
ジペートなどが知られており、これらは何れも好適に使
用できる。特に、エチレン・酢酸ビニル共重合体のけん
化物、例えばエチレン・ビニルアルコール共重合体(E
VOH)は、価格、ガスバリア性、或いは環境問題等の
観点からより好ましく使用できる。
As the gas barrier resin, ethylene.
Saponified vinyl acetate copolymer, polyvinylidene chloride,
Polyacrylonitrile, polymethaxylylenediamine adipate and the like are known, and any of these can be preferably used. In particular, a saponified product of an ethylene / vinyl acetate copolymer, for example, an ethylene / vinyl alcohol copolymer (E
VOH) can be more preferably used from the viewpoints of price, gas barrier property, environmental problems and the like.

【0021】又前記内層5i及び外層5oには、機械的
強度(耐久性や耐衝撃性等を含む)、及び耐候性を付与
するために、ポリエチレン、ポリプロピレン、ポリエス
テルなどが使用できる。この時、内層5iと外層5oと
で合成樹脂の種類を違えることもできるが、同じ合成樹
脂を用いることが、生産性の観点から好ましい。又シー
リング剤容器2では、圧搾性を良くするだけでなく、ヒ
ビや折れなどを生じることなく繰り返して変形しうるこ
とが必要であり、そのために、本例では、剛性よりも柔
軟性を重視した低密度ポリエチレンを使用している。
Polyethylene, polypropylene, polyester, etc. can be used for the inner layer 5i and the outer layer 5o in order to impart mechanical strength (including durability and impact resistance) and weather resistance. At this time, it is possible to use different kinds of synthetic resin for the inner layer 5i and the outer layer 5o, but it is preferable to use the same synthetic resin from the viewpoint of productivity. In addition, the sealing agent container 2 is required to not only improve squeezability but also be capable of being repeatedly deformed without causing cracks or breaks. Therefore, in this example, importance is attached to flexibility rather than rigidity. It uses low density polyethylene.

【0022】なお、胴部5の前記囲壁における厚さは、
特に、前記中層5mをエチレン・ビニルアルコール共重
合体(EVOH)により、かつ前記内層5i及び外層5
oを低密度ポリエチレンにより形成した場合には、前記
中層5mの厚さtmを0.02〜0.08mm、内層5
i及び外層5oの各厚さti、toを0.3〜0.6mm
の範囲とするのが好ましい。前記厚さtmが0.02mm
未満では、ガスバリヤ性が不十分となってシーリング剤
の品質を長期間保証することが難しくなり、逆に、0.
08mmを越えると過剰品質となって、コストアップと
なる。
The thickness of the body 5 on the surrounding wall is
In particular, the middle layer 5m is made of ethylene / vinyl alcohol copolymer (EVOH), and the inner layer 5i and the outer layer 5 are
When o is formed of low density polyethylene, the thickness tm of the middle layer 5m is 0.02 to 0.08 mm, and the inner layer 5 is
Each thickness ti and to of i and the outer layer 5o is 0.3 to 0.6 mm
The range is preferably The thickness tm is 0.02 mm
If it is less than 1, the gas barrier property becomes insufficient, and it becomes difficult to guarantee the quality of the sealing agent for a long time.
If it exceeds 08 mm, the quality is excessive and the cost is increased.

【0023】又前記厚さti、toが、0.3mm未満で
は、破れ易くなって必要な耐圧強度(200〜450k
Pa)を確保することが難しく、逆に0.6mmを越える
と硬くて変形し難く、圧搾性に不利となる。
If the thicknesses ti and to are less than 0.3 mm, they are easily broken and the required pressure strength (200 to 450 k) is obtained.
It is difficult to secure Pa), and conversely, if it exceeds 0.6 mm, it is hard and difficult to deform, which is disadvantageous to squeezability.

【0024】なお前記シーリング剤容器2は、使用前の
保管状態(図3に示す)では、周知の如く、前記取出し
口4は、アルミ箔などの破通容易なパッキン材8によっ
て密封され、かつ前記首部6に着脱自在に螺着される保
護キャップ9によって保護されている。
As is well known, in the storage state of the sealing agent container 2 before use (shown in FIG. 3), the take-out port 4 is sealed by a packing material 8 such as an aluminum foil which is easy to break through, and It is protected by a protective cap 9 which is detachably screwed to the neck portion 6.

【0025】そして使用時には、図1の如く、前記保護
キャップ9を取り外した後、兼用ホース1の一端E1を
取り付けた連結キャップ3を前記首部6に装着する。
At the time of use, as shown in FIG. 1, after removing the protective cap 9, the connecting cap 3 to which the one end E1 of the dual-use hose 1 is attached is attached to the neck portion 6.

【0026】この連結キャップ3は、本例では、前記首
部6に螺着するキャップ本体10の上蓋部10Aに、兼
用ホース連結用の管状の連結管部11を上に突設してい
る。又前記上蓋部10Aの下面には、前記パッキン材8
を破通させうる先鋭管部12を下に突設しており、この
連結管部11の上端と先鋭管部12の下端とは、内孔で
ある導通孔3Aによって導通する。
In the present embodiment, the connecting cap 3 has a tubular connecting pipe portion 11 for connecting a combined hose, which projects upward from an upper lid portion 10A of the cap body 10 screwed to the neck portion 6. On the lower surface of the upper lid 10A, the packing material 8
A sharpened tube portion 12 capable of breaking through is provided below, and the upper end of the connecting tube portion 11 and the lower end of the sharpened tube portion 12 are electrically connected by a conduction hole 3A which is an inner hole.

【0027】そして図4に示すように、前記兼用ホース
1の他端E2を、パンクしたタイヤTの空気バルブtに
接続した後、シーリング剤容器2を手によって圧搾し、
それに伴う容積減少により、シーリング剤を兼用ホース
1をへて空気バルブtからタイヤ内に注入しうる。なお
注入に際しては、予め前記空気バルブtからはバルブコ
アを取外しておく。又注入後は、前記兼用ホース1が取
り外された空気バルブtにバルブコアを戻し、この状態
でコンプレッサによってタイヤをポンプアップし、その
後、直ちにタイヤを所定時間、通常10分程度走行させ
ることによってパンク穴を応急的に修理するのである。
Then, as shown in FIG. 4, the other end E2 of the combined hose 1 is connected to the air valve t of the flat tire T, and then the sealing agent container 2 is squeezed by hand,
Due to the decrease in volume accompanying it, the sealing agent can be injected into the tire from the air valve t through the combined hose 1. Before injection, the valve core is removed from the air valve t in advance. Further, after the injection, the valve core is returned to the air valve t from which the dual-use hose 1 is removed, the tire is pumped up by the compressor in this state, and immediately thereafter, the tire is run for a predetermined time, usually about 10 minutes, so that the puncture hole is formed. Is to be repaired temporarily.

【0028】しかしながら、この応急修理したタイヤに
は、適当な時期に、自動車整備工場などのタイヤ補修場
所に持ち込み、新品タイヤに交換、或いは専門の修理業
者によるパンク穴の補修処理が必要となる。このとき、
注入時に使用した前記兼用ホース1を、本例では、使用
済みのシーリング剤容器2とともにタイヤ補修場所に持
ち込み、これらを用いて、応急修理されたタイヤからシ
ーリング剤を抜き取り、かつシーリング剤容器2に回収
するのである。
However, it is necessary to bring the repaired tire to a tire repairing place such as an automobile repair shop at a proper time to replace it with a new tire, or to repair a puncture hole by a specialized repairer. At this time,
In this example, the combined hose 1 used at the time of injection is brought to a tire repair place together with a used sealing agent container 2, and using these, the sealing agent is extracted from the tire which has been temporarily repaired, and the sealing agent container 2 is used. Collect it.

【0029】詳しくは、図5に示すように、タイヤTの
空気バルブtを取り除いてバルブ取付孔13を露出させ
た後、このバルブ取付孔13から兼用ホース1の他端E
2を挿入する。そして、前記シーリング剤容器2の変形
/復帰を手によって繰り返し、復帰する際に生じる吸引
力を利用して、シーリング剤を直接シーリング剤容器2
に回収するのである。
More specifically, as shown in FIG. 5, after the pneumatic valve t of the tire T is removed to expose the valve mounting hole 13, the other end E of the dual-use hose 1 is opened from this valve mounting hole 13.
Insert 2. Then, the deformation / return of the sealing agent container 2 is repeated by hand, and the sealing agent is directly applied to the sealing agent container 2 by utilizing the suction force generated when returning.
To collect.

【0030】こうすることにより、タイヤ補修場所に専
用の回収容器やホースを常備させる必要がなくなり、し
かも回収作業を便宜にかつ清浄に行うことが可能とな
る。又回収品を、品質保証期限切れの未使用シーリング
剤の回収廃棄の処理ルートに、のせうるなど処理ルート
の一本化を達成しうる。
By doing so, it is not necessary to always have a dedicated recovery container or hose at the tire repair place, and the recovery work can be performed conveniently and cleanly. Further, it is possible to unify the processing route such that the recovered product can be placed on the processing route for collecting and discarding the unused sealing agent whose quality guarantee has expired.

【0031】このとき、前記兼用ホース1としては、注
入時に空気バルブtにはずれないように接続でき、かつ
抜き取り時にはバルブ取付孔13から挿入しうることが
必要であり、そのために、兼用ホース1の内径D1は、
バルブステムの外径(乗用車用では8.0mm)より小
であり、かつ兼用ホース1の外径D2は、バルブ取付孔
13の内径(乗用車用では11.5mm)より小であ
る。従って乗用車用では、前記内径D1が7.0〜7.
5mm、かつ前記外径D2が9.0〜9.5mmのもの
を使用する必要がある。
At this time, it is necessary that the dual-use hose 1 can be connected to the air valve t so as not to come off during the injection, and can be inserted from the valve mounting hole 13 at the time of withdrawal. The inner diameter D1 is
It is smaller than the outer diameter of the valve stem (8.0 mm for passenger cars), and the outer diameter D2 of the dual-use hose 1 is smaller than the inner diameter of the valve mounting hole 13 (11.5 mm for passenger cars). Therefore, for passenger cars, the inner diameter D1 is 7.0 to 7.
It is necessary to use the one having a diameter of 5 mm and the outer diameter D2 of 9.0 to 9.5 mm.

【0032】又兼用ホース1では、さらに注入、抜き取
り兼用とするために、前記端部E1、E2間のホース長
さLを、300〜500mmとすること、及び曲げこわ
さを30〜150Mpaとすることも重要である。
Further, in the combined hose 1, the hose length L between the ends E1 and E2 is set to 300 to 500 mm and the bending stiffness is set to 30 to 150 Mpa in order to further perform injection and extraction. It is also important.

【0033】これは、前記ホース長さLが300mmよ
り小では、ホースが短すぎて抜き取り作業が困難とな
り、逆に500mmを越えると長すぎて邪魔となり作業
がしづらくなるからである。又曲げこわさが30Mpa
未満では、兼用ホース1が柔らかすぎ、抜き取り時、シ
ーリング剤が溜まっている部位にホース先端を的確に差
し込むことが難しく、又途中で折れ曲がって、シーリン
グ剤が通らなくなるという問題も発生する。逆に曲げこ
わさが150Mpaを越えると、兼用ホース1が硬すぎ
て曲がらなくなり、無理に曲げると折れてしまうなど注
入、抜き取りともに作業性が悪くなるとともに、空気バ
ルブtへの接続も難しくなる。
This is because if the length L of the hose is less than 300 mm, the hose is too short to make it difficult to pull out the work. On the contrary, if the length L exceeds 500 mm, the hose is too long and hinders the work. Also, bending stiffness is 30MPa
If it is less than 2, the combined hose 1 is too soft, and it is difficult to insert the tip of the hose accurately into a portion where the sealing agent is accumulated at the time of extraction, and also there is a problem that the hose is bent in the middle to prevent the sealing agent from passing through. On the other hand, if the bending stiffness exceeds 150 MPa, the dual-use hose 1 is too hard to bend, and if it is forcibly bent, it will be broken and the workability for injection and removal will be poor, and connection to the air valve t will be difficult.

【0034】ここで、前記「曲げこわさ」とは、JIS
K7106の「片持ちばりによるプラスチックの曲げ
こわさ試験方法」に準拠して測定したプラスチック材料
の曲げこわさであって、例えばPVC(ポリ塩化ビニ
ル)では約10Mpa、EVA(エチレン酢酸ビニル)
では約50Mpa、PE(ポリエチレン)では約130
Mpa、PP(ポリプロピレン)では約700Mpaで
ある。従って、EVA及びPEが好適に使用できる。
Here, the "bending stiffness" means JIS.
The bending stiffness of a plastic material measured in accordance with K7106 “Testing method for bending stiffness of plastic by cantilever”, for example, PVC (polyvinyl chloride) is about 10 MPa, EVA (ethylene vinyl acetate)
About 50Mpa, PE (polyethylene) about 130
It is about 700 Mpa for Mpa and PP (polypropylene). Therefore, EVA and PE can be preferably used.

【0035】以上、本発明の特に好ましい実施形態につ
いて詳述したが、本発明は図示の実施形態に限定される
ことなく、種々の態様に変形して実施しうる。
Although a particularly preferred embodiment of the present invention has been described above in detail, the present invention is not limited to the illustrated embodiment and can be modified into various modes.

【0036】[0036]

【実施例】図1に略示する注入・抜き取り兼用ホース、
およびシーリング剤容器を、表1の仕様で試作し、これ
らを用いてシーリング剤のタイヤ内への注入作業性、及
び注入したシーリング剤のタイヤからの抜き取り作業性
をテストし、夫々評価した。
[Example] A hose for both injection and extraction, which is schematically shown in FIG.
A sealing agent container was prototyped according to the specifications shown in Table 1, and using these, the workability of injecting the sealing agent into the tire and the workability of extracting the injected sealing agent from the tire were tested and evaluated.

【0037】(1)注入作業性:兼用ホースをシーリン
グ剤容器に装着し、図4の如く、空気バルブからシーリ
ング剤を注入したときの作業性を、作業者のフィーリン
グにより○(良い)、×(悪い)で評価した。
(1) Injecting workability: The double-sided hose was attached to the sealing agent container, and the workability when injecting the sealing agent from the air valve as shown in FIG. It was evaluated as x (bad).

【0038】(2)抜き取り作業性:注入作業で使用し
た使用済みの兼用ホース及びシーリング剤容器を用い、
図5の如く、空気バルブを取り除いたバルブ取付孔か
ら、兼用ホースを挿入してタイヤ内のシーリング剤を抜
き取りしたときの作業性を、作業者のフィーリングによ
り○(良い)、×(悪い)で評価した。
(2) Extraction workability: Using the used dual-use hose and sealing agent container used in the injection work,
As shown in Fig. 5, the workability when the dual-use hose is inserted and the sealing agent in the tire is extracted from the valve mounting hole from which the air valve is removed is ◯ (good) or × (bad) depending on the feeling of the operator. It was evaluated by.

【0039】[0039]

【表1】 [Table 1]

【0040】[0040]

【発明の効果】本発明は叙上の如く構成しているため、
パンクしたタイヤへのシーリング剤の注入、及び注入さ
れたシーリング剤のタイヤからの抜き取りの双方に用い
ることができ、使用済シーリング剤の回収作業を便宜に
かつ清浄に行いうるとともに、シーリング剤の回収廃棄
処理ルートの一本化に貢献しうる。
Since the present invention is constructed as described above,
It can be used both for injecting the sealing agent into a flat tire and for extracting the injected sealing agent from the tire, so that the used sealing agent can be conveniently and cleanly collected and the sealing agent can be recovered. It can contribute to the unification of waste disposal routes.

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

【図1】本発明の一実施例の注入・抜き取り兼用ホース
の取付状態を示す断面図である。
FIG. 1 is a cross-sectional view showing a mounting state of an injection / drainage hose according to an embodiment of the present invention.

【図2】それに用いるシーリング剤容器の常時の保管状
態を示す断面図である。
FIG. 2 is a cross-sectional view showing a state in which a sealing agent container used therefor is always stored.

【図3】シーリング剤容器の壁体を拡大して示す断面図
である。
FIG. 3 is an enlarged cross-sectional view showing a wall body of a sealing agent container.

【図4】注入作業の状態を示す線図である。FIG. 4 is a diagram showing a state of an injection work.

【図5】抜き取り作業の状態を示す線図である。FIG. 5 is a diagram showing a state of an extraction work.

【図6】従来のパンク修理システムを説明する線図であ
る。
FIG. 6 is a diagram illustrating a conventional flat repair system.

【符号の説明】[Explanation of symbols]

1 注入・抜き取り兼用ホース 2 シーリング剤容器 13 バルブ取付孔 E1、E2 一端、他端 t 空気バルブ 1 Hose for both injection and extraction 2 Sealant container 13 Valve mounting hole E1, E2 One end, the other end t air valve

フロントページの続き Fターム(参考) 3D026 BA24 BA30 3E014 PA03 PB03 PC04 PD30 PE24 3H111 AA02 BA15 BA34 CB02 CB14 CB29 DA26 DB27 4F213 AA45 AH20 WM01 WM07 WM15 WM33 Continued front page    F-term (reference) 3D026 BA24 BA30                 3E014 PA03 PB03 PC04 PD30 PE24                 3H111 AA02 BA15 BA34 CB02 CB14                       CB29 DA26 DB27                 4F213 AA45 AH20 WM01 WM07 WM15                       WM33

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】シーリング剤を収納するシーリング剤容器
に一端が連結され、かつパンクしたタイヤの空気バルブ
に他端を接続することにより、該空気バルブからシーリ
ング剤を注入しパンクしたタイヤを応急的に修理しうる
とともに、 取り外された前記タイヤの前記空気バルブを取り除いた
バルブ取付孔から該タイヤ内に挿入し前記注入されたシ
ーリング剤を抜き取り可能とする一方、 長さを300〜500mm、しかも曲げこわさを30〜
150Mpaとしたことを特徴とするシーリング剤の注
入・抜き取り兼用ホース。
1. A punctured tire in which a sealing agent is punctured by injecting a sealing agent from the air valve by connecting one end to a sealing agent container containing a sealing agent and connecting the other end to an air valve of the punctured tire. It can be repaired and can be inserted into the tire through the valve mounting hole from which the air valve of the removed tire is removed, and the injected sealing agent can be removed, while the length is 300 to 500 mm 30 toughness
A hose for both injecting and withdrawing a sealing agent, characterized by having a pressure of 150 MPa.
【請求項2】請求項1記載のシーリング剤の注入・抜き
取り兼用ホースを、前記シーリング剤の注入後にタイヤ
から取り外してタイヤ補修場所に搬入し、該タイヤ補修
場所において、前記注入されたシーリング剤を該シーリ
ング剤の注入・抜き取り兼用ホースによってタイヤから
抜き取ることを特徴とするタイヤの補修方法。
2. The injecting / extracting hose of the sealing agent according to claim 1 is removed from the tire after injecting the sealing agent and carried into a tire repair place, and the infused sealing agent is placed at the tire repair location. A method for repairing a tire, characterized in that the hose is used for injecting / extracting the sealing agent and is withdrawn from the tire.
JP2001323809A 2001-10-22 2001-10-22 Sealing agent injection / extraction hose and tire repair method using the same Expired - Fee Related JP3782333B2 (en)

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Country Link
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