JP4916301B2 - Hose repair method - Google Patents
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- JP4916301B2 JP4916301B2 JP2006347637A JP2006347637A JP4916301B2 JP 4916301 B2 JP4916301 B2 JP 4916301B2 JP 2006347637 A JP2006347637 A JP 2006347637A JP 2006347637 A JP2006347637 A JP 2006347637A JP 4916301 B2 JP4916301 B2 JP 4916301B2
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008439 repair process Effects 0.000 title claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 71
- 229920001971 elastomer Polymers 0.000 claims abstract description 40
- 239000004744 fabric Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims description 6
- 229920005549 butyl rubber Polymers 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 5
- 238000009958 sewing Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
Description
本発明はホースの補修方法に関するものであって、特に消防用ホースや、洪水などの際に大量の水を高圧で排水するための排水ホースなどの、布製の筒状ジャケットを主体とするホースを補修する方法であって、筒状ジャケットの一部が損傷して漏水すると共に、筒状ジャケットを構成する繊維が傷付いて耐圧力が低下している可能性がある場合に、それを補強する方法に関するものである。 The present invention relates to a method for repairing a hose, and in particular, a hose mainly composed of a cloth cylindrical jacket, such as a fire hose or a drainage hose for draining a large amount of water at a high pressure in the event of a flood. This is a repair method that reinforces a part of the cylindrical jacket that is damaged and leaks water, and that the fibers constituting the cylindrical jacket may be damaged and the pressure resistance may be reduced. It is about the method.
一般に消防用ホースなどの筒状ジャケットを主体とするホースは、肉厚が薄く傷付きやすい。特に消防用ホースは火災などの緊急時に使用されるために取り扱いが荒くなりがちであり、傷付いて漏水したり、また地面との摩擦で筒状ジャケットが磨耗すると、耐圧力が低下してしまう。 In general, a hose mainly composed of a cylindrical jacket such as a fire hose is thin and easily damaged. Fire hoses are particularly difficult to handle because they are used in an emergency such as a fire, and the pressure resistance decreases if the tubular jacket is damaged due to water damage or the cylindrical jacket is worn by friction with the ground. .
そのためその損傷部を補修して漏水を止める手段として、特公昭４８−７７２６号公報や、特開昭６２−２０００９１号公報に記載された方法がある。これらの方法は、ゴムのパッチをホース内から当てて加熱加圧して接着し、損傷部を補修するものであるが、ホース内にゴムパッチを移送するための特殊な器具を必要とし、また内側から加熱するためには熱源も必要であって、極めて複雑なものとなる。 Therefore, there are methods described in Japanese Patent Publication No. 48-7726 and Japanese Patent Application Laid-Open No. 62-200091 as means for repairing the damaged portion and stopping water leakage. In these methods, a rubber patch is applied from inside the hose and bonded by heating and pressing to repair the damaged part. However, a special instrument for transferring the rubber patch into the hose is required, and from the inside. In order to heat, a heat source is also required, and it becomes very complicated.
また前記方法では損傷部を補修して漏水を止めることはできるが、その損傷によって筒状ジャケットの繊維が傷付いていたときには、その繊維の損傷を補修することはできず、ホースの耐圧力を改善することはできない。 In the above method, the damaged part can be repaired and water leakage can be stopped. However, when the fiber of the cylindrical jacket is damaged due to the damage, the fiber damage cannot be repaired and the pressure resistance of the hose is reduced. It cannot be improved.
また損傷により筒状ジャケットの繊維が傷付いて、ホースの耐圧力が低下したときに、それを補強して耐圧力を確保するための補修手段として、特開平１０−２４８２号公報に記載された方法がある。この方法は、ホースの外側に予め短管状のサポータを嵌合しておき、ホースが損傷を生じたときには、前記サポータを損傷部の外側にスライドして補強するとするものである。 Further, as a repairing means for reinforcing the pressure of the hose when the fiber of the cylindrical jacket is damaged due to damage and the pressure resistance of the hose is lowered, it is described in JP-A-10-2482. There is a way. In this method, a short tubular supporter is fitted in advance to the outside of the hose, and when the hose is damaged, the supporter is slid outside the damaged part to be reinforced.
しかしながらこの方法では、ホースの端末には接続金具が取り付けられているため、損傷したホースに後からサポーターを取り付けることは不可能であって、ホースに接続金具を取り付ける際に最初からサポーターを取り付けておかなければならず、発明の適用範囲は極めて限られたものとなる。
本発明はかかる事情に鑑みなされたものであって、ホースの損傷部を容易に且つ確実に補修して漏水を止めると共に、損傷により耐圧力が低下したホースの耐圧力を補強し、且つ事前に特別の構造を付与しておく必要のない、ホースの補修方法を提供することを目的とするものである。 The present invention has been made in view of such circumstances, and repairs the damaged portion of the hose easily and surely to stop water leakage, reinforce the pressure resistance of the hose whose pressure resistance has dropped due to damage, and in advance An object of the present invention is to provide a method for repairing a hose that does not require a special structure.
而して本発明は、ホースの損傷部の外側に、その損傷部よりも十分に大きいゴムパッチを接着し、その外側に、補強布の両縁にスライドファスナーを、前記補強布とスライドファスナーのファスナーテープとを補強布の縁から１５〜３０mm離れた位置で縫合すると共に、補強布及びファスナーテープの両端部において縫合位置を補強布の縁に接近せしめて取り付けてなり、前記ホースの周長よりもやゝ小さい幅を有し且つ、前記ゴムパッチよりも十分に大きい補強部材を巻回し、前記スライドファスナーを結合して補強部材でホースの損傷部を固定することを特徴とするものである
Thus, the present invention is such that a rubber patch sufficiently larger than the damaged portion is bonded to the outside of the damaged portion of the hose, a slide fastener is attached to both edges of the reinforcing fabric, and the fastener of the reinforcing fabric and the slide fastener is externally attached. The tape is stitched at a position 15 to 30 mm away from the edge of the reinforcing cloth, and the stitching positions are attached close to the edges of the reinforcing cloth at both ends of the reinforcing cloth and the fastener tape. A reinforcing member having a slightly smaller width and sufficiently larger than the rubber patch is wound, and the damaged portion of the hose is fixed with the reinforcing member by connecting the slide fastener.
本発明においては、前記ゴムパッチが、その両面がブチルゴムよりなるものであることが好ましい。また本発明における前記補強布が、前記ホースと同素材よりなるものであることが好ましい。 In the present invention, the rubber patch is preferably made of butyl rubber on both surfaces. Moreover, it is preferable that the said reinforcement cloth in this invention consists of the same material as the said hose.
また前記補強布が、前記ホースと同一の別の短尺ホースをその長さ方向に裂いたものであって、その両縁にスライドファスナーを取り付けて補強部材を構成したものであることが好ましい。 Moreover, it is preferable that the said reinforcing cloth is what cut | disconnected another short hose same as the said hose in the length direction, attached the slide fastener to the both edges, and comprised the reinforcing member.
また本発明においては、前記補強部材が、スライドファスナーを結合した状態の周長が、前記ホースの周長の９５〜９８％であることが好ましい。
In the present invention, it is preferable that the reinforcing member has a circumference of 95 to 98% of the circumference of the hose in a state where the slide fastener is coupled.
本発明によれば、ゴムパッチをホースの外側から損傷部に接着するので、ゴムパッチをホースの内側で損傷部まで移送するための手段を必要とせず、また加熱接着を必要とする場合においても、外側から容易に加熱することができる。またゴムパッチの外側に補強部材を巻回するので、ゴムパッチが損傷部から漏出した水によって剥がれることがなく、確実に補修して漏水を止めることができる。 According to the present invention, since the rubber patch is bonded to the damaged portion from the outside of the hose, no means for transferring the rubber patch to the damaged portion inside the hose is required, and even when heat bonding is required, the outer side Can be easily heated. Further, since the reinforcing member is wound around the outer side of the rubber patch, the rubber patch is not peeled off by the water leaked from the damaged portion, and can be reliably repaired to stop the water leakage.
またホースの損傷部の外側に強靭な補強布よりなる補強部材を巻回するので、損傷により耐圧力の低下したホースが補強される。また補強部材は補強布の両縁にスライドファスナーを取り付けてなるので、損傷部の外側に補強布を巻付けてスライドファスナーを結合することにより、既成のホースに容易に補強部材を取り付けることができ、ホース自体の構造に変更を加える必要がない。 Further, since a reinforcing member made of a strong reinforcing cloth is wound around the damaged portion of the hose, the hose whose pressure resistance is reduced due to the damage is reinforced. In addition, since the reinforcing member has slide fasteners attached to both edges of the reinforcing cloth, the reinforcing member can be easily attached to an existing hose by wrapping the reinforcing cloth around the damaged part and connecting the slide fastener. There is no need to change the structure of the hose itself.
以下本発明の実施の形態を図面に従って説明する。図１は本発明によりホースの損傷部を補修した状態を示すものである。１はホースであって、当該ホース１は損傷部２において損傷し、穴が開いている。 Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a state in which a damaged portion of a hose is repaired according to the present invention. Reference numeral 1 denotes a hose, and the hose 1 is damaged at the damaged portion 2 and has a hole.
そしてそのホース１の損傷部２にはその外側から、損傷部２よりも十分に大きいゴムパッチ３が接着されている。このゴムパッチ３は、粘着性を有するゴムよりなるものが好ましく。ブチルゴムよりなるものであることが好ましい。またゴム単体のものであってもよいが、ゴムを薄い布で補強したものであることが好ましい。 A rubber patch 3 that is sufficiently larger than the damaged portion 2 is bonded to the damaged portion 2 of the hose 1 from the outside. The rubber patch 3 is preferably made of an adhesive rubber. It is preferably made of butyl rubber. Moreover, although a rubber | gum simple substance may be used, it is preferable that rubber is reinforced with a thin cloth.
なお本発明は、このゴムパッチ３のみによって損傷部２を完全に補修するものではないので、ゴムパッチ３は損傷部２に対して強固に接着されている必要はなく、損傷部２から動かない程度に接着されていれば足りる。 In the present invention, the damaged portion 2 is not completely repaired only by the rubber patch 3, so the rubber patch 3 does not need to be firmly bonded to the damaged portion 2 and does not move from the damaged portion 2. Adhesion is sufficient.
そしてそのゴムパッチ３の外側から、ホース１に補強部材４を巻回している。補強部材４は図２に示すように、補強布５の両縁にスライドファスナー６を取り付けたものであって、補強布５をホース１に巻回してスライドファスナー６を結合して筒状にすることにより、ホース１に取り付けるようになっている。 A reinforcing member 4 is wound around the hose 1 from the outside of the rubber patch 3. As shown in FIG. 2, the reinforcing member 4 has slide fasteners 6 attached to both edges of the reinforcing cloth 5, and the reinforcing cloth 5 is wound around the hose 1 to join the slide fastener 6 into a cylindrical shape. Therefore, it attaches to the hose 1.
前記補強布５は、前記ホースと同素材よりなるものであることが好ましく、前記ホースと同一の別の短尺ホースをその長さ方向に裂いたものであって、その両縁にスライドファスナーを取り付けて補強部材を構成したものであることが好ましい。 The reinforcing cloth 5 is preferably made of the same material as that of the hose, and is obtained by splitting another short hose that is the same as the hose in its length direction, and has a slide fastener attached to both edges thereof. The reinforcing member is preferably configured.
補強布５とホース１とが異る材質よりなる場合において、補強布５がホース１よりも伸長しやすい材質であったときには、ゴムパッチ３をその外側から十分に押圧することができず、ゴムパッチ３に内圧が作用したときにゴムパッチ３が剥がれやすく、漏水が生じる恐れがある。 In the case where the reinforcing cloth 5 and the hose 1 are made of different materials, if the reinforcing cloth 5 is a material that is easier to extend than the hose 1, the rubber patch 3 cannot be pressed sufficiently from the outside, and the rubber patch 3. When the internal pressure is applied to the rubber patch 3, the rubber patch 3 is easily peeled off, which may cause water leakage.
また補強布５がホース１よりも伸長しにくい材質であった場合には、内圧によりホース１が膨脹しても補強部材４がそれに追従しないため、補強部材４に過度の力がかかり、スライドファスナー６や縫製部が壊れやすく、またホース１の内径が十分に拡張しないために圧力損失が大きくなる。 If the reinforcing cloth 5 is made of a material that is less likely to extend than the hose 1, the reinforcing member 4 does not follow it even if the hose 1 expands due to internal pressure. 6 and the sewing part are fragile, and the inner diameter of the hose 1 is not sufficiently expanded, so that the pressure loss increases.
また前記補強部材４は、スライドファスナーを結合した状態の周長が、前記ホースの周長の９５〜９８％であることが好ましい。これによりホース１内に水圧がかったときに補強布５がゴムパッチ３を外側から圧迫し、ゴムパッチ３が漏出した水の圧力によりホース１から剥がれるのを阻止し、損傷部２の補修を全うすることができる。 Moreover, it is preferable that the reinforcement member 4 has a circumference of 95 to 98% of a circumference of the hose in a state where the slide fastener is coupled. Thus, when the water pressure is applied to the hose 1, the reinforcing cloth 5 presses the rubber patch 3 from the outside, prevents the rubber patch 3 from being peeled off from the hose 1 by the pressure of the leaked water, and repairs the damaged portion 2. Can do.
またスライドファスナー６はそのファスナーテープ７を補強布５の縁部に縫合糸８で縫着して取り付けるのであるが、その縫着位置が補強布５の縁にあまりに近いと、ホース１内の圧力により補強部材４に引っ張り力が作用したとき、縫合糸により補強布５の縁のたて糸が抜けてファスナーテープ７が脱落する恐れがある。従ってファスナーテープ７を補強布５の縁から１５〜３０mm離れた位置で縫合するのが好ましい。 The slide fastener 6 is attached by sewing the fastener tape 7 to the edge of the reinforcing cloth 5 with the suture thread 8. If the sewing position is too close to the edge of the reinforcing cloth 5, the pressure in the hose 1 is increased. Thus, when a tensile force is applied to the reinforcing member 4, the warp thread at the edge of the reinforcing cloth 5 may fall out due to the suture thread, and the fastener tape 7 may fall off. Therefore, it is preferable to sew the fastener tape 7 at a position 15 to 30 mm away from the edge of the reinforcing cloth 5.
しかしながら補強布５及びファスナーテープ７の両端部においては、図２に示すように縫合位置を傾斜させて補強布５の縁に接近せしめることが好ましい。このようにすることにより、補強部材４に引っ張り力が作用したときに、両端部において補強布５のたて糸が抜けがちになり、図１（ａ）に示すように補強部材４の両端部において径が若干大きくなり、ホース１が補強部材４の端部において徐々に径を拡大することができ、ホース１内の流水抵抗を軽減することができる。このとき補強部材４の端部の径が、中央部より２〜３％程度拡大することが好ましい。 However, at both ends of the reinforcing cloth 5 and the fastener tape 7, it is preferable that the stitching position is inclined to approach the edge of the reinforcing cloth 5 as shown in FIG. Thus, when a tensile force is applied to the reinforcing member 4, the warp yarns of the reinforcing cloth 5 tend to come off at both ends, and the diameters at both ends of the reinforcing member 4 as shown in FIG. Becomes slightly larger, the diameter of the hose 1 can be gradually increased at the end of the reinforcing member 4, and the flowing water resistance in the hose 1 can be reduced. At this time, it is preferable that the diameter of the end portion of the reinforcing member 4 is expanded by about 2 to 3% from the center portion.
また補強部材４の長さは、その中央部が３００〜５００mmであることが好ましい。前述のようにファスナーテープ７の両端部の縫製位置を傾斜させる場合には、その傾斜長さは前記中央部の両側に、５０〜３００mm程度設けるのが好ましい。 The length of the reinforcing member 4 is preferably 300 to 500 mm at the center. As described above, when the sewing positions of the both end portions of the fastener tape 7 are inclined, it is preferable that the inclined length be provided on both sides of the central portion by about 50 to 300 mm.
而して本発明においては、ホース１に損傷部２が生じたときには、その損傷部２の外側にゴムパッチ３を接着し、さらにその外側から補強部材４を巻回し、スライドファスナー６を結合して締め付ける。 Thus, in the present invention, when the damaged portion 2 occurs in the hose 1, the rubber patch 3 is adhered to the outside of the damaged portion 2, and the reinforcing member 4 is wound from the outside, and the slide fastener 6 is joined. tighten.
これによりホース１内に水圧がかかると、その水圧によりホース１が膨脹し、ホース１と補強部材４との間にゴムパッチ３が挟圧され、当該ゴムパッチ３が損傷部２を塞いで水が漏出するのを阻止する。 As a result, when water pressure is applied to the hose 1, the hose 1 expands due to the water pressure, the rubber patch 3 is sandwiched between the hose 1 and the reinforcing member 4, and the rubber patch 3 closes the damaged portion 2 to leak water. To stop doing.
ホース１の損傷部２にその外側からゴムパッチ３を接着しても、損傷部２から漏出する水の圧力によりゴムパッチ３が剥がれて完全に補修できないので、通常はホース１の内側から張り付けることが行われ、その作業に困難が伴うのである。 Even if the rubber patch 3 is adhered to the damaged part 2 of the hose 1 from the outside, the rubber patch 3 is peeled off due to the pressure of water leaking from the damaged part 2 and cannot be completely repaired. It is done and the work is difficult.
しかしながら本発明においては、ゴムパッチ３はホース１と補強部材４との間に挟圧され、漏出する水の圧力は補強部材４が支えるので、ゴムパッチ３を損傷部２の外側から張り付けても水圧により剥がれることがなく。ゴムパッチ３を接着する作業を容易に行うことができるのである。 However, in the present invention, the rubber patch 3 is sandwiched between the hose 1 and the reinforcing member 4, and the pressure of the leaked water is supported by the reinforcing member 4, so even if the rubber patch 3 is stuck from the outside of the damaged portion 2, There is no peeling. The operation of bonding the rubber patch 3 can be easily performed.
またホース１の損傷部２には、ゴムパッチ３のさらに外側から補強部材４を巻回しているので、ホース１は補強部材４により補強される。従って損傷部２においてホース１のジャケットを構成する繊維が傷付き、ホース１の耐圧力が低下している場合においても、低下した耐圧力は補強部材４により十分に補われる。 Further, since the reinforcing member 4 is wound around the damaged portion 2 of the hose 1 from the outer side of the rubber patch 3, the hose 1 is reinforced by the reinforcing member 4. Therefore, even when the fiber constituting the jacket of the hose 1 is damaged in the damaged portion 2 and the pressure resistance of the hose 1 is reduced, the reduced pressure resistance is sufficiently compensated by the reinforcing member 4.
また補強部材４はスライドファスナー６によりホース１の任意の位置に容易に巻回することができるので、ホース１の製造時に予め補強部材を嵌合しておく必要もなく、既成のホース１に対しても容易に本発明を適用することができる。 Further, since the reinforcing member 4 can be easily wound around the hose 1 by the slide fastener 6, it is not necessary to fit the reinforcing member in advance when the hose 1 is manufactured. However, the present invention can be easily applied.
本発明の効果を確認するために、内径４００mm（内圧０の状態での外周長１２５６mm）のホース１に透孔を形成して損傷を作り、そこに長径１００mm短径５０mmの楕円形のブチルゴムよりなるゴムパッチ３を貼着した。 In order to confirm the effect of the present invention, a through hole is formed in the hose 1 having an inner diameter of 400 mm (outer peripheral length 1256 mm when the internal pressure is 0) to make a damage, and an oval butyl rubber having a major axis 100 mm and a minor axis 50 mm A rubber patch 3 was attached.
そしてその外側に補強部材４を巻回してスライドファスナー６を結合し、ホース１内に内圧を作用させた。補強部材４の周長が１２５０mm（ホース１に対する周長比９９．５２％）の場合にはホース１内に０．０１MPaの内圧を作用させたときに漏水が生じ、１２４ ０mm（同９８．７３％）では０．０２MPaで漏水が生じたが、補強部材４の周長が１２３ ０mm（同９７．９３％）〜１２１０mm（同９６．３４％）の場合には、０．２MPaで一時 間保持しても漏水は発生しなかった。 And the reinforcing member 4 was wound around the outer side, the slide fastener 6 was combined, and the internal pressure was made to act in the hose 1. When the peripheral length of the reinforcing member 4 is 1250 mm (peripheral length ratio of 99.52% with respect to the hose 1), water leakage occurs when an internal pressure of 0.01 MPa is applied to the hose 1, and 1240 mm (98.73). %), Water leakage occurred at 0.02 MPa. However, if the peripheral length of the reinforcing member 4 is 1230 mm (97.93%) to 1210 mm (96.34%), it is temporarily held at 0.2 MPa. However, no water leakage occurred.
しかしながら、補強部材４の周長が１２００mm（同９５．５４％）の場合には、０．２MPaに昇圧して５分間経過したときに、内圧によりスライドファスナー６の縫製部が破断 し、ゴムパッチ３が剥がれて漏水した。 However, when the circumferential length of the reinforcing member 4 is 1200 mm (95.54%), when the pressure is increased to 0.2 MPa and 5 minutes elapses, the sewing portion of the slide fastener 6 is broken by the internal pressure, and the rubber patch 3 Peeled off and leaked water.
１ ホース
２ 損傷部
３ ゴムパッチ
４ 補強部材
５ 補強布
６ スライドファスナー
７ ファスナーテープ
８ 縫合糸
DESCRIPTION OF SYMBOLS 1 Hose 2 Damaged part 3 Rubber patch 4 Reinforcement member 5 Reinforcement cloth 6 Slide fastener 7 Fastener tape 8 Suture thread
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006347637A JP4916301B2 (en) | 2006-12-25 | 2006-12-25 | Hose repair method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006347637A JP4916301B2 (en) | 2006-12-25 | 2006-12-25 | Hose repair method |
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| Publication Number | Publication Date |
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| JP2008157368A JP2008157368A (en) | 2008-07-10 |
| JP4916301B2 true JP4916301B2 (en) | 2012-04-11 |
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| JP2006347637A Active JP4916301B2 (en) | 2006-12-25 | 2006-12-25 | Hose repair method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2406532B1 (en) | 2009-03-11 | 2015-05-20 | DeepFlex Inc. | Method to repair flexible fiber-reinforced pipe |
| CN112361230B (en) * | 2020-11-26 | 2022-08-30 | 贵州大众橡胶有限公司 | Water delivery rubber hose for automobile |
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| JPS60126795A (en) * | 1984-03-07 | 1985-07-06 | 三洋電機株式会社 | Attitude controller for vending machine |
| JPS6213293A (en) * | 1985-07-10 | 1987-01-22 | Mitsubishi Electric Corp | Laser beam cutting device |
| JPH0312087U (en) * | 1989-06-14 | 1991-02-07 | ||
| JPH102482A (en) * | 1996-06-13 | 1998-01-06 | Teikoku Sen I Co Ltd | Fire hose |
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