JP2011140974A - Pipe coupling - Google Patents

Pipe coupling Download PDF

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Publication number
JP2011140974A
JP2011140974A JP2010001103A JP2010001103A JP2011140974A JP 2011140974 A JP2011140974 A JP 2011140974A JP 2010001103 A JP2010001103 A JP 2010001103A JP 2010001103 A JP2010001103 A JP 2010001103A JP 2011140974 A JP2011140974 A JP 2011140974A
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Prior art keywords
pipe joint
cylindrical member
attached
pipe
screw portion
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JP2010001103A
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JP5496686B2 (en
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Takeshi Harada
剛 原田
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Bridgestone Corp
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Bridgestone Corp
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  • Joints That Cut Off Fluids, And Hose Joints (AREA)
  • Joints With Pressure Members (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pipe coupling for reducing weight, and mainly used for joining a pipe body for making liquid flow inside. <P>SOLUTION: A body 12 for supporting the inserted pipe body 40 is constituted of a cylinder member 50 molded by a resin material and a joining member 52 molded by a metallic material. Thus, the body 12 is divided, and the cylinder member 50 is molded by the resin material. so that the pipe coupling 10 can be reduced in weight more than when the body 12 is integrally molded by metal. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、内部を液体が流れる管体の結合を主な用途とした管継手に関する。   The present invention relates to a pipe joint mainly used for coupling pipe bodies in which liquid flows.

特許文献１に記載の金属製の継手本体には、防食を目的とした樹脂被覆層が設けられている。   The metal joint body described in Patent Document 1 is provided with a resin coating layer for the purpose of anticorrosion.

特開平１０−１５３２８３号公報Japanese Patent Laid-Open No. 10-153283

しかしながら、従来の構造では、本体全体が金属製であるため、重量を軽くすることができなかった。
本発明の課題は、管継手を軽量化することである。 However, in the conventional structure, since the whole main body is metal, weight could not be reduced.
An object of the present invention is to reduce the weight of a pipe joint.

本発明の請求項１に係る管継手は、樹脂材料で成形され、管体が挿入される円筒部材と、一側に前記円筒部材が脱着自在に接合される接合部が設けられ、他側に被取付部材が脱着可能に取り付けられる第１ねじ部が形成されると共に、金属材料で成形された接合部材と、を備えることを特徴とする。   A pipe joint according to claim 1 of the present invention is formed of a resin material, a cylindrical member into which a tubular body is inserted, a joint portion on which the cylindrical member is detachably joined is provided on one side, and the other side is provided. A first screw portion to which the attached member is detachably attached is formed, and a joining member formed of a metal material is provided.

上記構成によれば、金属材料で成形された接合部材の一側の接合部に樹脂材料で成形された円筒部材が脱着自在に接合され、接合部材の他側の第１ねじ部に被取付部材が脱着可能に取り付けられる。
このように、管体が挿入される円筒部材を樹脂材料で成形することで、管継手を軽量化することができる。 According to the above configuration, the cylindrical member formed of the resin material is detachably joined to the joint portion on one side of the joint member formed of the metal material, and the attached member is attached to the first screw portion on the other side of the joint member. Is detachably attached.
Thus, a pipe joint can be reduced in weight by shape | molding the cylindrical member in which a pipe body is inserted with a resin material.

本発明の請求項２に係る管継手は、請求項１記載において、前記接合部は、前記円筒部材が脱着自在に取り付けられる第２ねじ部であることを特徴とする。   A pipe joint according to a second aspect of the present invention is the pipe joint according to the first aspect, wherein the joining portion is a second screw portion to which the cylindrical member is detachably attached.

上記構成によれば、接合部材の一側に設けられた第２ねじ部に円筒部材が脱着自在に取り付けられる。このように、ねじ構造を利用して円筒部材を接合部材に取り付けることで、強固に円筒部材を接合部材に取り付けることができる。   According to the above configuration, the cylindrical member is detachably attached to the second screw portion provided on one side of the joining member. In this way, the cylindrical member can be firmly attached to the joining member by attaching the cylindrical member to the joining member using the screw structure.

本発明の請求項３に係る管継手は、請求項２に記載において、前記第２ねじ部は、前記第１ねじ部が延長されて形成されることを特徴とする。
上記構成によれば、第２ねじ部は、第１ねじ部が延長されて形成されている。これにより、容易に、第１ねじ部と第２ねじ部を形成することができる。 A pipe joint according to a third aspect of the present invention is the pipe joint according to the second aspect, wherein the second threaded portion is formed by extending the first threaded portion.
According to the above configuration, the second screw portion is formed by extending the first screw portion. Thereby, a 1st screw part and a 2nd screw part can be formed easily.

本発明の請求項１の管継手によれば、管継手を軽量化することができる。   According to the pipe joint of claim 1 of the present invention, the pipe joint can be reduced in weight.

本発明の請求項２の管継手によれば、強固に円筒部材を接合部材に取り付けることができる。   According to the pipe joint of claim 2 of the present invention, the cylindrical member can be firmly attached to the joining member.

本発明の請求項３の管継手によれば、容易に、第１ねじ部と第２ねじ部を形成することができる。   According to the pipe joint of claim 3 of the present invention, the first screw portion and the second screw portion can be easily formed.

本発明の第１実施形態に係る管継手の断面図である。It is sectional drawing of the pipe joint which concerns on 1st Embodiment of this invention. 本発明の第１実施形態に係る管継手の断面図である。It is sectional drawing of the pipe joint which concerns on 1st Embodiment of this invention. 本発明の第１実施形態に係る管継手の断面図である。It is sectional drawing of the pipe joint which concerns on 1st Embodiment of this invention. 本発明の第１実施形態に係る管継手の断面図である。It is sectional drawing of the pipe joint which concerns on 1st Embodiment of this invention. 本発明の第２実施形態に係る管継手の断面図である。It is sectional drawing of the pipe joint which concerns on 2nd Embodiment of this invention. 本発明の第３実施形態に係る管継手の断面図である。It is sectional drawing of the pipe joint which concerns on 3rd Embodiment of this invention. 本発明の第３実施形態に係る管継手の断面図である。It is sectional drawing of the pipe joint which concerns on 3rd Embodiment of this invention.

本発明の第１実施形態に係る管継手１０の一例について図１〜図４に基づいて説明する。
（全体構成）
図１、図２に示されるように、本発明の第１実施形態に係る管継手１０は、管状の本体１２と、この本体１２に外挿される管状の中間部１４と、中間部１４に外挿された管状のスリーブ１８と、を備えており、中間部１４及びスリーブ１８と本体１２との間に、管体４０が挿入される挿入孔２０が形成されている。なお、本体１２は、中間部１４の内側に配置される円筒部材５０と、円筒部材５０が取り付けられる接合部材５２とを含んで構成されており、詳細については後述する。 An example of the pipe joint 10 according to the first embodiment of the present invention will be described with reference to FIGS.
(overall structure)
As shown in FIGS. 1 and 2, the pipe joint 10 according to the first embodiment of the present invention includes a tubular main body 12, a tubular intermediate portion 14 that is extrapolated to the main body 12, and an intermediate portion 14. An insertion hole 20 into which the tubular body 40 is inserted is formed between the intermediate portion 14 and the sleeve 18 and the main body 12. The main body 12 includes a cylindrical member 50 disposed inside the intermediate portion 14 and a joining member 52 to which the cylindrical member 50 is attached. Details thereof will be described later.

また、スリーブ１８の内側には、管体４０を挿入孔２０に保持するための環状のロックリング３０が配置されている。このロックリング３０は、断面が横向きの略Ｖ字形をなしており、略Ｖ字形の開口部３０Ａが本体１２の奥側に向かうように配置されている。そして、ロックリング３０の内周側の端部は、管継手１０に挿入された管体４０の外周面と引っ掛る爪部３６とされている。   An annular lock ring 30 for holding the tube body 40 in the insertion hole 20 is disposed inside the sleeve 18. The lock ring 30 has a substantially V-shaped cross section and is disposed so that the substantially V-shaped opening 30 </ b> A is directed to the back side of the main body 12. The end portion on the inner peripheral side of the lock ring 30 is a claw portion 36 that hooks with the outer peripheral surface of the tube body 40 inserted into the pipe joint 10.

さらに、ロックリング３０の開口部３０Ａが中間部１４の船型の先端部１４Ａと対向し、略Ｖ字形の内側面の一部が先端部１４Ａに当接している。また、スリーブ１８の内壁には、ロックリング３０の略Ｖ字形の外側面が当接可能なテーパ面１８Ａが形成されている。そして、このテーパ面１８Ａは、挿入孔２０の入口２０Ａ側に向かって縮径するように形成されている。   Further, the opening 30A of the lock ring 30 faces the ship-shaped tip 14A of the intermediate portion 14, and a part of the substantially V-shaped inner surface is in contact with the tip 14A. Further, a tapered surface 18 </ b> A with which the substantially V-shaped outer surface of the lock ring 30 can abut is formed on the inner wall of the sleeve 18. And this taper surface 18A is formed so that it may reduce in diameter toward the inlet 20A side of the insertion hole 20. FIG.

さらに、スリーブ１８の内側であって、ロックリング３０よりも挿入孔２０の入口２０Ａ側には、前後方向（管体４０の軸方向）に移動可能な解放リング２２が内挿されている。この解放リング２２は、内壁が挿入孔２０の一部を構成しており、解放リング２２の外周に形成された突起２２Ａが、スリーブ１８の内周に形成された小径部１８Ｂに当接することで、スリーブ１８からの抜けが防止されている。   Furthermore, a release ring 22 that is movable in the front-rear direction (the axial direction of the tube body 40) is inserted inside the sleeve 18 and closer to the inlet 20A of the insertion hole 20 than the lock ring 30 is. The release ring 22 has an inner wall that constitutes a part of the insertion hole 20, and a protrusion 22 </ b> A formed on the outer periphery of the release ring 22 abuts on a small diameter portion 18 </ b> B formed on the inner periphery of the sleeve 18. The slipping out of the sleeve 18 is prevented.

（要部構成）
次ぎに、本体１２について説明する。
図３、図４に示されるように、本体１２は、管体４０（図１参照）の内周面を支持すると共に、樹脂材料で成形された円筒状の円筒部材５０と、内周面に円筒部材５０が取り付けられると共に、金属材料で成形された筒状の接合部材５２と、を含んで構成されている。 (Main part configuration)
Next, the main body 12 will be described.
As shown in FIGS. 3 and 4, the main body 12 supports the inner peripheral surface of the tube body 40 (see FIG. 1), and has a cylindrical cylindrical member 50 formed of a resin material, and an inner peripheral surface. A cylindrical member 50 is attached, and a cylindrical joining member 52 formed of a metal material is included.

詳細には、接合部材５２の内周面の一側（図３、図４に示す右側）には、円筒部材５０が他側（図３、図４に示す左側）から脱着自在に取り付けられると共に、他側が広がったテーパ状の雌ねじ部５４が形成されている。さらに、接合部材５２の内周面であって、雌ねじ部５４と一端部との間には、凹状の凹部５６が環状に設けられ、この凹部５６には、接合部材５２に取り付けられた円筒部材５０の外周面に押圧されるゴム製のＯリング５８等が設けられている。   Specifically, the cylindrical member 50 is detachably attached to one side (the right side shown in FIGS. 3 and 4) of the joining member 52 from the other side (the left side shown in FIGS. 3 and 4). A tapered female threaded portion 54 with the other side widened is formed. Further, on the inner peripheral surface of the joining member 52, a concave recess 56 is provided in an annular shape between the female screw portion 54 and one end, and a cylindrical member attached to the joining member 52 is provided in the recess 56. A rubber O-ring 58 and the like that are pressed against the outer peripheral surface of 50 are provided.

一方、接合部材５２の内周面の他側には、配管等の被取付部材（図示省略）が脱着可能に取り付けられる共に、他側が広がったテーパ状の雌ねじ部６０が、雌ねじ部５４と連続して設けられている。また、接合部材５２の外周面の他側には、スパナ等を掛けるための六角部６４が形成されている。   On the other hand, an attached member (not shown) such as a pipe is detachably attached to the other side of the inner peripheral surface of the joining member 52, and a tapered female screw portion 60 having the other side widened is continuous with the female screw portion 54. Is provided. Further, a hexagonal portion 64 for hanging a spanner or the like is formed on the other side of the outer peripheral surface of the joining member 52.

これに対し、円筒部材５０の外周面の他側には、接合部材５２の内周面に設けられた雌ねじ部５４と噛み合う雄ねじ部７０が設けられている。また、円筒部材５０の外周面の一側には、２つの環状の凹部７２が形成されており、これらの凹部７２に管体４０の内周面に押圧されるゴム製のＯリング７４等が嵌め込まれている。   On the other hand, on the other side of the outer peripheral surface of the cylindrical member 50, a male screw portion 70 that meshes with the female screw portion 54 provided on the inner peripheral surface of the joining member 52 is provided. Further, two annular recesses 72 are formed on one side of the outer peripheral surface of the cylindrical member 50, and a rubber O-ring 74 or the like pressed against the inner peripheral surface of the tubular body 40 is formed in these recesses 72. It is inserted.

また、円筒部材５０の外周面であって、凹部７２と雄ねじ部７０との間には、挿入された管体４０の端部が当接する段部７８が設けられている。   Further, on the outer peripheral surface of the cylindrical member 50, a stepped portion 78 is provided between the concave portion 72 and the male screw portion 70, with which the end portion of the inserted tubular body 40 abuts.

なお、雌ねじ部５４、雌ねじ部６０及び雄ねじ部７０は、ＪＩＳ規格に基づいて形成されている。   The female screw portion 54, the female screw portion 60, and the male screw portion 70 are formed based on JIS standards.

（作用・効果）
次に、管継手１０に管体４０を挿入する手順について説明する。
図１、図２に示されるように、管体４０を管継手１０に挿入する場合には、先ず、管体４０を挿入孔２０に挿入し、管体４０の先端を円筒部材５０に形成された段部７８に突き当てる。 (Action / Effect)
Next, a procedure for inserting the pipe body 40 into the pipe joint 10 will be described.
As shown in FIGS. 1 and 2, when inserting the tube body 40 into the pipe joint 10, first, the tube body 40 is inserted into the insertion hole 20, and the distal end of the tube body 40 is formed in the cylindrical member 50. It strikes against the stepped portion 78.

この状態で、Ｏリング７４によって円筒部材５０の外周面と管体４０の内周面はシールされる。また、円筒部材５０は、管継手１０に挿入された管体４０の径方向の位置を決めているため、ロックリング３０の爪部３６が、管体４０の外周面に均等に食い込む。これより、管体４０が管継手１０から抜けるのが抑制される。   In this state, the outer peripheral surface of the cylindrical member 50 and the inner peripheral surface of the tube body 40 are sealed by the O-ring 74. Further, since the cylindrical member 50 determines the radial position of the pipe body 40 inserted into the pipe joint 10, the claw portion 36 of the lock ring 30 bites into the outer peripheral surface of the pipe body 40 evenly. As a result, the pipe body 40 is prevented from coming out of the pipe joint 10.

一方、管継手１０に挿入された管体４０を管継手１０から離脱させる場合には、挿入孔２０の入口２０Ａ側から専用の冶具を差し込んで、解放リング２２を奥側に押し込む。これによって、解放リング２２の先端部がロックリング３０の爪部３６を押し、ロックリング３０を拡径させる。その際、解放リング２２の先端部がロックリング３０の爪部３６を押し広げると同時に、爪部３６と管体４０の間に入り込み、爪部３６を管体４０から抜き出す。この状態で挿入孔２０から管体４０を引き抜く（離脱させる）ことができる。   On the other hand, when the pipe body 40 inserted into the pipe joint 10 is detached from the pipe joint 10, a dedicated jig is inserted from the inlet 20A side of the insertion hole 20 and the release ring 22 is pushed into the back side. As a result, the tip of the release ring 22 pushes the claw 36 of the lock ring 30 to expand the diameter of the lock ring 30. At this time, the tip of the release ring 22 pushes the claw 36 of the lock ring 30 and at the same time enters between the claw 36 and the tube 40, and the claw 36 is removed from the tube 40. In this state, the tube body 40 can be pulled out (detached) from the insertion hole 20.

ここで、図３、図４に示されるように、挿入される管体４０を支持する本体１２は、樹脂材料で成形された円筒部材５０と、金属材料で成形された接合部材５２とで構成されている。このように、本体１２を分割し、円筒部材５０を樹脂材料で成形することで、本体１２が金属で一体的に成形される場合と比して、管継手１０を軽量化することができる。   Here, as shown in FIGS. 3 and 4, the main body 12 that supports the inserted tube body 40 includes a cylindrical member 50 formed of a resin material and a joining member 52 formed of a metal material. Has been. Thus, by dividing the main body 12 and molding the cylindrical member 50 with a resin material, it is possible to reduce the weight of the pipe joint 10 as compared with the case where the main body 12 is integrally formed of metal.

また、本体１２を分割し、円筒部材５０を樹脂材料で成形することで、本体１２が金属で一体的に成形される場合と比して、管継手１０全体に使用する鉛低減することができる。   Further, by dividing the main body 12 and molding the cylindrical member 50 with a resin material, lead used for the entire pipe joint 10 can be reduced as compared with the case where the main body 12 is integrally formed of metal. .

また、本体１２を分割し、円筒部材５０を樹脂材料で成形することで、本体１２が金属で一体的に成形される場合と比して、管継手１０のコストを低減することができる。   Moreover, the cost of the pipe joint 10 can be reduced by dividing the main body 12 and molding the cylindrical member 50 with a resin material, as compared with the case where the main body 12 is integrally molded with metal.

また、前述したように、円筒部材５０の外周面に設けられた雄ねじ部７０を、接合部材５２の内周面に設けられた雌ねじ部５４にねじ込むことで、円筒部材５０が接合部材５２に取り付けられる。このように、ねじ構造を利用して円筒部材５０を接合部材５２に取り付けることで、強固に円筒部材５０を接合部材５２に取り付けることができる。   Further, as described above, the cylindrical member 50 is attached to the bonding member 52 by screwing the male screw portion 70 provided on the outer peripheral surface of the cylindrical member 50 into the female screw portion 54 provided on the inner peripheral surface of the bonding member 52. It is done. Thus, the cylindrical member 50 can be firmly attached to the joining member 52 by attaching the cylindrical member 50 to the joining member 52 using the screw structure.

また、円筒部材５０が取り付けられる雌ねじ部５４と、配管等の被取付部材が取り付けられる雌ねじ部６０とを連続して設ける（雌ねじ部６０を延長して雌ねじ部５４を設ける）ことで、容易に、２つの雌ねじ部５４、６０を形成することができる。   In addition, the internal thread portion 54 to which the cylindrical member 50 is attached and the internal thread portion 60 to which a member to be attached such as a pipe is continuously provided (the internal thread portion 60 is extended to provide the internal thread portion 54), thereby easily. Two female screw portions 54 and 60 can be formed.

また、配管等の被取付部材が取り付けられる接合部材５２を金属で成形することで、強固に被取付部材を接合部材５２に取り付けることができる。   Moreover, the to-be-attached member can be firmly attached to the joining member 52 by forming the joining member 52 to which the to-be-attached member such as piping is attached with metal.

また、円筒部材５０と接合部材５２とを脱着可能とすることで、例えば、他の形状の円筒部材又は他の形状の接合部材を組み合わせることで、管継手１０の使用用途を広げることができる。   In addition, by allowing the cylindrical member 50 and the joining member 52 to be detachable, for example, by combining a cylindrical member having another shape or a joining member having another shape, the usage of the pipe joint 10 can be expanded.

次ぎに、本発明の第２実施形態に係る管継手８０の一例について図５に基づいて説明する。なお、第１実施形態と同一部材については、同一符号を付してその説明を省略する。   Next, an example of the pipe joint 80 according to the second embodiment of the present invention will be described with reference to FIG. In addition, about the same member as 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

図５に示されるように、接合部材５２に取り付けられた円筒部材８２の外周面には、凹部等は設けられておらず、円筒部材８２の外周面は、滑らかとされている。これにより、一端がパイプ形状である継手を形成できる。   As shown in FIG. 5, the outer peripheral surface of the cylindrical member 82 attached to the joining member 52 is not provided with a recess or the like, and the outer peripheral surface of the cylindrical member 82 is smooth. Thereby, the joint whose one end is pipe shape can be formed.

このように、第１実施形態とは違った形状の円筒部材８２を第１実施形態と同一形状の接合部材５２に取り付けることで、第１実施形態とは違った他の用途に管継手８０を用いることができる。   Thus, by attaching the cylindrical member 82 having a shape different from that of the first embodiment to the joining member 52 having the same shape as that of the first embodiment, the pipe joint 80 can be used for other purposes different from that of the first embodiment. Can be used.

次ぎに、本発明の第３実施形態に係る管継手９０の一例について図６、図７に基づいて説明する。なお、第１実施形態と同一部材については、同一符号を付してその説明を省略する。   Next, an example of the pipe joint 90 according to the third embodiment of the present invention will be described with reference to FIGS. In addition, about the same member as 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

図６、図７に示されるように、接合部材９２の他端側は、スパナを掛けるための六角部は設けられておらず、これに変えて、周方向に広げられたフランジ部９４が設けられている。
例えば、このフランジ部９４を床面に取り付けることで、管継手９０を床面から立ち上げることで、第１実施形態とは違った他の用途に管継手９０を用いることができる。 As shown in FIGS. 6 and 7, the other end of the joining member 92 is not provided with a hexagonal portion for hanging a spanner, but instead is provided with a flange portion 94 that is widened in the circumferential direction. It has been.
For example, the pipe joint 90 can be used for other uses different from the first embodiment by attaching the flange portion 94 to the floor surface and raising the pipe joint 90 from the floor surface.

１０ 管継手
５０ 円筒部材
５２ 接合部材
５４ 雌ねじ部（第２ねじ部）
６０ 雌ねじ部（第１ねじ部）
８０ 管継手
８２ 円筒部材
９０ 管継手
９２ 接合部材 DESCRIPTION OF SYMBOLS 10 Pipe joint 50 Cylindrical member 52 Joining member 54 Female thread part (2nd thread part)
60 Female thread (first thread)
80 Pipe joint 82 Cylindrical member 90 Pipe joint 92 Joining member

Claims (3)

樹脂材料で成形され、管体が挿入される円筒部材と、
一側に前記円筒部材が脱着自在に接合される接合部が設けられ、他側に被取付部材が脱着可能に取り付けられる第１ねじ部が形成されると共に、金属材料で成形された接合部材と、
を備える管継手。 A cylindrical member that is molded from a resin material and into which the tubular body is inserted;
A joining portion to which the cylindrical member is detachably joined is provided on one side, a first screw portion to which the attached member is detachably attached is formed on the other side, and a joining member formed of a metal material; ,
A pipe fitting comprising: 前記接合部は、前記円筒部材が脱着自在に取り付けられる第２ねじ部である請求項１に記載の管継手。   The pipe joint according to claim 1, wherein the joint portion is a second screw portion to which the cylindrical member is detachably attached. 前記第２ねじ部は、前記第１ねじ部が延長されて形成される請求項２に記載の管継手。   The pipe joint according to claim 2, wherein the second screw portion is formed by extending the first screw portion.
JP2010001103A 2010-01-06 2010-01-06 Pipe fitting Expired - Fee Related JP5496686B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014126068A (en) * 2012-12-25 2014-07-07 Bridgestone Corp Pipe joint
JP2016089865A (en) * 2014-10-30 2016-05-23 株式会社オンダ製作所 Joint and joint installation structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001021087A (en) * 1999-07-08 2001-01-26 Sekisui Chem Co Ltd Pipe joint
JP2003232482A (en) * 2002-02-08 2003-08-22 Toyox Co Ltd Easy release joint
JP2003314776A (en) * 2002-04-22 2003-11-06 Onda Seisakusho:Kk Joint
JP2004211882A (en) * 2002-12-30 2004-07-29 Volvo Construction Equipment Holding Sweden Ab Fitting section fastening structure for hose assembly
JP2005069408A (en) * 2003-08-26 2005-03-17 New Machine:Kk Hose coupling
JP2009299729A (en) * 2008-06-11 2009-12-24 Ck Metals Co Ltd Pipe coupling with box nut

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001021087A (en) * 1999-07-08 2001-01-26 Sekisui Chem Co Ltd Pipe joint
JP2003232482A (en) * 2002-02-08 2003-08-22 Toyox Co Ltd Easy release joint
JP2003314776A (en) * 2002-04-22 2003-11-06 Onda Seisakusho:Kk Joint
JP2004211882A (en) * 2002-12-30 2004-07-29 Volvo Construction Equipment Holding Sweden Ab Fitting section fastening structure for hose assembly
JP2005069408A (en) * 2003-08-26 2005-03-17 New Machine:Kk Hose coupling
JP2009299729A (en) * 2008-06-11 2009-12-24 Ck Metals Co Ltd Pipe coupling with box nut

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014126068A (en) * 2012-12-25 2014-07-07 Bridgestone Corp Pipe joint
JP2016089865A (en) * 2014-10-30 2016-05-23 株式会社オンダ製作所 Joint and joint installation structure

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