WO2013172138A1 - 管継手 - Google Patents

管継手 Download PDF

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Publication number
WO2013172138A1
WO2013172138A1 PCT/JP2013/061262 JP2013061262W WO2013172138A1 WO 2013172138 A1 WO2013172138 A1 WO 2013172138A1 JP 2013061262 W JP2013061262 W JP 2013061262W WO 2013172138 A1 WO2013172138 A1 WO 2013172138A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
nipple
seal
tube
annular
Prior art date
Application number
PCT/JP2013/061262
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
洋平 前佛
Original Assignee
株式会社トヨックス
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 株式会社トヨックス filed Critical 株式会社トヨックス
Priority to CN201380025628.0A priority Critical patent/CN104302960B/zh
Priority to HK15105169.7A priority patent/HK1204672B/xx
Publication of WO2013172138A1 publication Critical patent/WO2013172138A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
    • F16L33/20—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
    • F16L33/2073—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member directly connected to the rigid member
    • F16L33/2076—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member directly connected to the rigid member by plastic deformation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
    • F16L33/20—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
    • F16L33/2078—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member connected to the rigid member via an intermediate element

Definitions

  • the present invention relates to a pipe joint used to connect a nipple with a pipe body made of a flexible hose or tube molded of a flexible material such as rubber or synthetic resin. More specifically, the present invention relates to a pipe joint that is used for immersion in liquid, immersion cleaning, and the like.
  • the end of the sleeve is caulked so as to be hooked on a protruding locking portion provided on the outer periphery of the nipple.
  • a protruding locking portion provided on the outer periphery of the nipple.
  • An object of the present invention is to address such a problem, and an object thereof is to prevent the entry of fluid from the outside to the inside of the sleeve with a simple structure.
  • a nipple is provided to be inserted along the inner peripheral surface of a flexible tube, and the tube is sandwiched and covered on the outside of the nipple.
  • a sleeve which is provided to press the tube in a diameter-reduced direction, an elastically deformable seal material provided between the nipple and the sleeve so as to be axially adjacent to a tip surface of the tube, and the nipple And an annular space formed so as to be axially adjacent to the sealing material between the sleeves, wherein the sealing material is provided with a first sealing surface axially facing the tip end surface of the tubular body A second seal portion axially opposed to the annular space portion, and is expanded and deformed in an axial direction along with the diameter reduction of the sleeve to bring the first seal surface into close contact with the tip end surface of the pipe body Together with the second seal portion And fitted into the space portion, characterized in that characterized in that to close
  • the seal material is expanded and deformed in the axial direction by reducing the diameter of the sleeve toward the nipple, and at the same time the first seal surface closely contacts the tip end surface of the tube
  • the seal part is inserted into the annular space and comes in close contact with the nipple and the sleeve respectively, and even if the exposed surfaces of the nipple and the sleeve come in contact with the fluid as when immersed in the liquid in this connection state Fluid does not infiltrate into the interior. Therefore, the entry of fluid from the outside to the inside of the sleeve can be prevented with a simple structure.
  • the drop-off strength of the tubular body due to the infiltration of water and the tubular body as compared with the conventional one in which there is a slight gap at the contact point between the crimped end of the sleeve and the nipple locking portion. It is economical because it can be used over a long period of time.
  • the pipe joint A includes a nipple 1 provided so as to be inserted along the inner peripheral surface B1 of the flexible tube B, and the nipple 1
  • the sleeve 2 is provided on the outer side of the tube B so as to radially sandwich and cover the tube B, and press the tube B in a reduced diameter direction to clamp the tube B; and the tip surface B2 of the tube B between the nipple 1 and the sleeve 2 And an annular space 4 formed between the nipple 1 and the sleeve 2 so as to be axially adjacent to the sealing material 3 as a main component. It is equipped as an element.
  • the nipple 1 is formed into a cylindrical shape having an outer diameter substantially equal to or slightly larger than the inner diameter of the tubular body B by processing a hard material such as metal such as brass or hard synthetic resin,
  • the tube B is provided to face the inner circumferential surface B1 of the connection end. It is preferable to form a plurality of annular convex portions in the axial direction of the nipple 1 on the outer peripheral surface 1a of the nipple 1 as a retaining means 1b as the retaining means 1b biting into the inner peripheral surface B1 of the tubular body B.
  • annular locking portion 1c is integrally formed so as to be opposed to one end of a sleeve 2 described later on the back side in the axial direction than the retaining means 1b.
  • the sleeve 2 is formed in a substantially cylindrical shape having an inner diameter that is substantially the same as or larger than the outer diameter of the tubular body B into which the nipple 1 is inserted.
  • the sleeve 2 inserts the connection end of the tube B along the inner peripheral surface 2a and inserts the nipple 1 into the connection end of the tube B, and then reduces the diameter by a hydraulic device or a manual tool.
  • the inner peripheral surface B1 of the tube B is pressed against the outer peripheral surface 1a of the nipple 1 so as to be in pressure contact.
  • a crimped pipe made of a plastically deformable rigid material that deforms in a hydraulic device but does not restore due to the repulsive force from the tube B It is preferred to use.
  • the pipe B is elastically compressed in the radial direction by plastic deformation and diameter reduction of the caulking pipe to be the sleeve 2 with a hydraulic device (not shown) such as a caulking machine, and the inner peripheral surface B1 is The outer peripheral surface 1 a of the nipple 1 is in pressure contact.
  • a cylindrical holder having a cylindrical shape and capable of reducing the diameter in the radial direction of the tubular body B, a holder obtained by dividing the cylindrical body into plural in the radial direction, and a strip by rotating the tool It is also possible to use a fastener (hose band) or the like for gradually tightening the
  • an annular engaging portion 2 c is integrally protruded so as to be bent toward an annular locking portion 1 c formed on the outer peripheral surface 1 a of the nipple 1.
  • the engaging portion 2c axially positions the sleeve 2 with respect to the nipple 1 by bringing the engaging portion 2c into axial contact with the locking portion 1c as the diameter of the sleeve 2 decreases.
  • the engaging portion 2 c is engaged with the annular recessed groove portion 1 d formed adjacent to the back side of the locking portion 1 c as the diameter reduction deformation of the sleeve 2 is engaged.
  • the sleeve 2 is prevented from coming off with respect to the nipple 1 in the axial direction. Further, although not shown as another example, the sleeve 2 is made to axially move relative to the nipple 1 by completely fitting the engaging portion 2c into the annular groove portion 1d as the diameter of the sleeve 2 is reduced. It is also possible to stop it.
  • the seal member 3 is formed in an annular or cylindrical shape, for example, with an elastically deformable material such as rubber, and between the engagement portion 1c of the nipple 1 and the engagement portion 2c of the sleeve 2 and the tip surface B2 of the tube B. , Are arranged adjacent to each other in the axial direction. Furthermore, the seal member 3 has a tip end surface B2 of the tubular body B, a first seal surface 3a opposed in the axial direction thereof, an annular space 4 to be described later, and a second seal portion 3b opposed in the axial direction There is.
  • an elastically deformable material such as rubber
  • the annular space 4 is defined between the engaging portion 1 c of the nipple 1 and the engaging portion 2 c of the sleeve 2 so as to face the second sealing portion 3 b of the sealing material 3.
  • the radial width of the annular space 4 before the diameter reduction of the sleeve 2 shown in FIGS. 1, 3 and 5 is set larger than the diameter reduction width of the sleeve 2 shown in FIGS.
  • the tubular body B is, for example, a hose, a tube or the like which is formed of a soft material such as silicone rubber or vinyl chloride.
  • the tube body B it is preferable to use a tube whose inner peripheral surface B1 and outer peripheral surface B3 are flat, or a tube which is excellent in shape retention and pressure resistance by the reinforcing layer made of the reinforcing wire B4 being embedded therein. Is preferred.
  • the reinforcing wire B4 is made of a synthetic resin blade (reinforcing yarn), a hard synthetic resin wire, a metal wire or the like, and a plurality or single reinforcing wire B4 is spirally wound in the axial direction, or the axial direction It is preferable to arrange in a straight line.
  • a plurality of reinforcing wires B4 are spirally formed between an inner layer and an outer layer which are cylindrically formed of a transparent or translucent material. It is winding.
  • an adhesive layer is provided between the inner layer, the outer layer and the reinforcing wire B4, or, if necessary, a material made of a material matched to the fluid or gas passing inside the tube B inside the inner layer.
  • the inner layer may be integrally provided, the outermost layer made of a protective material may be integrally provided on the outer side of the outer layer, a plurality of reinforcing wire members B4 may be laminated, or a synthetic resin or metal rectangular section as an intermediate layer
  • the reinforcing wire and the reinforcing wire having a circular cross section are spirally wound and integrated, for example, braiding the reinforcing wire such as glass fiber and flame retardant fiber, or the reinforcing wire between the inner layer and the outer layer made of opaque material It is also possible to arrange B4 or to use a soft synthetic resin tube having a single layer structure.
  • connection end portions of the seal material 3 and the tubular body B are sequentially inserted along the inner peripheral surface 2a of the sleeve 2 and integrally assembled.
  • sleeve 2 in which the seal material 3 and the connection end of the tubular body B are assembled is moved toward the nipple 1 or the nipple 1 is moved to The outer peripheral surface 1a is inserted into the connection end of the tube B along the inner peripheral surface B1.
  • the seal material 3 is expanded and deformed in the axial direction along with the diameter reduction deformation of the sleeve 2 to bring the first seal surface 3a into pressure contact with the distal end surface B2 of the tubular body B and to closely contact the second seal portion 3b in the annular space. It is inserted into the portion 4 and brought into pressure contact with the engagement portion 1c of the nipple 1 and the engagement portion 2c of the sleeve 2 so as to be in close contact.
  • the seal material 3 is expanded and deformed in the axial direction by reducing the diameter of the sleeve 2 toward the nipple 1, and the first seal surface 3a is a tube.
  • the second seal portion 3b is fitted into the annular space 4 and is in close contact with the nipple 1 and the sleeve 2, respectively. Even if the exposed surfaces of the nipple 1 and the sleeve 2 come in contact with the fluid, such as when the pipe joint A is immersed in liquid or cleaned in this connection state, the fluid penetrates from the outside to the inside of the sleeve 2 do not do.
  • the seal is accompanied by the diameter reduction of the sleeve 2 Since the material 3 expands and deforms in the axial direction, and the first seal surface 3a is in close contact with the end surface B2 of the tube B, the fluid does not enter along the reinforcing layer made of the reinforcing wire B4. Therefore, it is possible to completely prevent the fluid from invading the reinforcing layer of the tubular body B.
  • the shape retention and pressure resistance of the tubular body B do not decrease, and even if the inner layer and the outer layer are transparent or translucent, they can be used for a long time without being discolored.
  • the sleeve 2 is made of a rigid material such as aluminum, for example, which is compressed and deformed by a drive type caulking machine (not shown) or a manual hydraulic caulking machine (not shown). It is an oak pipe formed by The connection end of the tubular body B is the retaining means 1b of the outer peripheral surface 1a of the nipple 1 and the inner peripheral surface 2a of the sleeve 2 by pressing and reducing the diameter of the oak pipe to be the sleeve 2 with a drive type caulking machine. They are bite into the retaining means 2b and connected so as not to be displaced in the axial direction.
  • Positioning means 2d for the seal member 3 is provided on the inner peripheral surface 2a of the sleeve 2, and at least with the diameter reduction of the sleeve 2, the seal member 3 is axially immovably locked by the positioning means 2d.
  • the positioning means 2d is a cyclic
  • the sleeve 2, the seal member 3, and the tube B are integrally assembled by inserting the tube B until the tip end face B 2 abuts on the flat packing of the seal member 3.
  • the nipple 1 is inserted into the assembled sleeve 2, seal member 3 and tube B, and the engaging portion 2 c of the sleeve 2 is pushed into the locking portion 1 c of the nipple 1.
  • the assembly is completed by applying. That is, in the assembled state of the sealing material 3 with respect to the sleeve 2 shown by a two-dot chain line in FIG. 1, the outer peripheral portion of the flat packing that is the sealing material 3 is axially sandwiched in the annular recess that is the positioning unit 2d. The flat packing of the sealing material 3 is locked so as not to move in the axial direction.
  • the seal material 3 is axially locked in the axial direction of the positioning means 2d as the diameter of the sleeve 2 is reduced, the seal material 3 is not displaced.
  • the second seal portion 3b is reliably fitted in the annular space 4 and in intimate contact with the nipple 1 and the sleeve 2, respectively.
  • the seal member 3 which can not be seen from the outside can be correctly set at a predetermined position in the sleeve 2, and the outer peripheral surface 1 a of the nipple 1 is used as the seal member 3 at the time of inserting the nipple 1 Even if they come in contact with each other, the sealing material 3 is not displaced in the same insertion direction. Thereby, there is an advantage that the sealability can be further improved.
  • a tubular joint body 10 larger in diameter than that is integrally formed.
  • the joint body 10 is formed with a connection portion 10 a for connecting to a pipe connection port (not shown) of another device.
  • the connection part 10a is a flange, and the ditch
  • the nipple 1 is formed separately from the joint body 10, and the nipple 1 is detachably attached to the joint body 10 or is replaced with a flange as the connecting portion 10a. It is also possible to form on the surface a tool engagement portion in which a screw or a tool such as a spanner or a wrench engages.
  • the sealing material 3 is along the first straight portion 31 along the tip end face B2 of the tube B and the inner circumferential face B1 continuing to the tip end face B2.
  • the configuration having the second straight portion 32 and the third straight portion 33 along the outer peripheral surface B3 continuous with the tip end surface B2 is different from the first embodiment shown in FIGS. It is the same as the embodiment 1 shown in FIG.
  • a cap having a U-shaped cross section formed to be substantially the same as the thickness dimension of the tubular body B is used as the sealing material 3.
  • the cap having a U-shaped cross section to be the seal member 3 is mounted so as to cover the tip end surface B2 of the tubular body B in the assembled state of the seal member 3 to the sleeve 2 as shown by the two-dot chain line in FIG. There is.
  • the pipe joint A even if the tip end surface B2 of the pipe body B is cut with a slight inclination in an oblique direction intersecting the axis of the pipe body Since the tip end surface B2, the inner peripheral surface B1 and the outer peripheral surface B3 are covered by the first straight portion 31 and the second straight portion 32 and the third straight portion 33 of the sealing material 3, the tip end surface B2 regardless of the cutting angle of the tube B There is an advantage that fluid infiltration to the inside can be completely prevented.
  • the annular space 4 has a through hole 4 a axially continuous toward the exposed surface 5 of the nipple 1 or the sleeve 2.
  • the second seal portion 3b has an annular projection 3c inserted into the through hole 4a, and the end face 3d of the annular projection 3c becomes substantially flush with the exposed surface 5 as the diameter of the sleeve 2 is reduced.
  • the configuration to be expanded and deformed is different from the first embodiment shown in FIG. 1 and FIG. 2, and the other configuration is the same as the first embodiment shown in FIG. 1 and FIG.
  • substantially flush with the exposed surface 5" refers to the annular projection 3c with respect to either the exposed surface 5 of the nipple 1 or the sleeve 2, or the exposed surface 5 of both the nipple 1 and the sleeve 2.
  • the end surface 3d of the annular projection 3c is expanded and deformed so as to be flush with the end surface 3d or the end surface 3d of the annular projection 3c is slightly expanded from the exposed surface 5.
  • the end face 3d of the annular projection 3c has a circular arc shape from the exposed surface 5 of the nipple 1 and the sleeve 2. It is made to expand and deform so as to slightly swell. Further, although not shown as another example, in the state after the diameter reduction deformation of the sleeve 2, the end face 3 d of the annular projection 3 c is flush with the exposed face 5 of either the nipple 1 or the sleeve 2. It is also possible to expand and deform.
  • annular recessed groove portion 1d is formed at an axially intermediate position in the locking portion 1c of the nipple 1, and an annular projecting portion 2e is formed on the engaging portion 2c of the sleeve 2 facing the annular recessed groove portion 1d. It is preferable to do.
  • the annular projection 3c of the seal member 3 is formed with an engagement recess 3e to be fitted with the annular projection 2e formed on the engagement portion 2c of the sleeve 2.
  • the seal member 3 is positioned in the axial direction with respect to the sleeve 2.
  • the second seal portion 3 b of the seal member 3 is abutted against the locking portion 1 c of the nipple 1.
  • the annular projection 2 e of the sleeve 2 is positioned so as to radially face the annular groove 1 d of the nipple 1.
  • the annular projecting portion 2e of the sleeve 2 is fitted in the annular recessed groove portion 1d of the nipple 1 with the annular projecting portion 3c of the sealing material 3 interposed therebetween.
  • the sleeve 2 is prevented from axially movably disengaging from the nipple 1.
  • the axial width dimension of the annular projection 2e of the sleeve 2 is set smaller than the axial width dimension of the annular concave groove 1d of the nipple 1 By doing this, the annular projection 3c of the sealing material 3 is prevented from being cut in the state after the diameter reduction deformation of the sleeve 2 shown in FIG.
  • the axial width dimension of the annular groove portion 1d and the axial width dimension of the annular protrusion 2e are substantially the same length, and the sleeve 2 shown in FIG.
  • the annular projection 3 c of the sealing material 3 may be cut by fitting the annular projection 2 e into the annular concave groove 1 d without a gap, but with respect to the nipple 1 It is also possible to connect the sleeve 2 in a manner that does not rattle.
  • first guide surface 1 e of the nipple 1 formed to face the through hole 4 a of the annular space 4 and the second guide surface 2 f of the sleeve 2 face the exposed surface 5 of the nipple 1 and the sleeve 2. It is preferable to incline them in a tapered manner. That is, a first guide surface 1 e extending from the annular recessed groove 1 d of the nipple 1 toward the exposed surface 5 of the nipple 1 and a second guide extending from the annular protrusion 2 e of the sleeve 2 toward the exposed surface 5 of the sleeve 2
  • the faces 2 f are inclined in substantially parallel tapers and opposed.
  • the annular projection 3c of the second seal 3b fitted in the through hole 4a of the annular space 4 due to the diameter reduction deformation of the sleeve 2 When the end surface 3d is expanded and deformed so as to be substantially flush with the exposed surface 5 of the nipple 1 and the sleeve 2, a recess or a step can not be formed across the exposed surface 5 and the end surface 3d of the annular projection 3c. Therefore, it is possible to prevent contamination due to accumulation of soot and the like. As a result, there is an advantage that it can be maintained hygienically for a long time.
  • the sleeve 2 is an oak pipe, and it is pressed by a caulking machine to reduce the diameter.
  • the present invention is not limited to this.
  • a holder, a holder obtained by dividing the cylindrical body into a plurality of parts in the radial direction, and a fastener (a hose band) for gradually tightening the strip by rotating the tool may be used. Also in this case, the same effects as those of the above-described embodiment can be obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
PCT/JP2013/061262 2012-05-17 2013-04-16 管継手 WO2013172138A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380025628.0A CN104302960B (zh) 2012-05-17 2013-04-16 管连接器
HK15105169.7A HK1204672B (en) 2012-05-17 2013-04-16 Tube joint

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012113790A JP5957729B2 (ja) 2012-05-17 2012-05-17 管継手
JP2012-113790 2012-05-17

Publications (1)

Publication Number Publication Date
WO2013172138A1 true WO2013172138A1 (ja) 2013-11-21

Family

ID=49583553

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/061262 WO2013172138A1 (ja) 2012-05-17 2013-04-16 管継手

Country Status (4)

Country Link
JP (1) JP5957729B2 (enrdf_load_stackoverflow)
CN (1) CN104302960B (enrdf_load_stackoverflow)
MY (1) MY168306A (enrdf_load_stackoverflow)
WO (1) WO2013172138A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180372248A1 (en) * 2015-12-21 2018-12-27 REHAU Construction LLC. Connecting element and pipe connection comprising the same

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
JP6450632B2 (ja) * 2015-04-09 2019-01-09 株式会社水道技術開発機構 管切断面の防蝕装置及び防蝕方法
WO2017040246A1 (en) * 2015-08-28 2017-03-09 Eaton Corporation Fluid conduit fitting assembly
US10533687B2 (en) * 2016-06-13 2020-01-14 Campbell Fittings, Inc. Collapsible ferrule for hose coupler
JP7263392B2 (ja) * 2018-01-24 2023-04-24 ザルトリウス ステディム ノース アメリカ インコーポレイテッド 流体移送組立体
CN108644189B (zh) * 2018-04-23 2024-02-02 日丰企业（佛山）有限公司 连接管件、管材组件和管材连接方法
JP7141051B2 (ja) * 2018-04-23 2022-09-22 住友理工ホーステックス株式会社 ゴムホース
WO2021220457A1 (ja) * 2020-04-30 2021-11-04 株式会社トヨックス 管継手用スリーブ及び該管継手用スリーブを備えた管継手

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS5368421A (en) * 1976-11-30 1978-06-17 Hitachi Cable Ltd Connecting part of plastic hose
JPS6435195A (en) * 1987-07-28 1989-02-06 Toyoda Gosei Kk Hose joint
JP2007278378A (ja) * 2006-04-05 2007-10-25 Bridgestone Corp 金具付きホース
WO2011070437A1 (en) * 2009-12-11 2011-06-16 Dytech - Dynamic Fluid Technologies S.P.A. Tube with an improved connection preferably for an air conditioning system

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PL2110593T3 (pl) * 2008-04-18 2011-11-30 Eaton Fluid Power Gmbh Sposób łączenia węża i układ złączki
CN201212599Y (zh) * 2008-05-27 2009-03-25 浙江苏强格液压有限公司 扣压式管件
CN201866447U (zh) * 2010-12-06 2011-06-15 荆州恒隆汽车零部件制造有限公司 一种防止扣铆时硬管变形的油管总成连接结构

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5368421A (en) * 1976-11-30 1978-06-17 Hitachi Cable Ltd Connecting part of plastic hose
JPS6435195A (en) * 1987-07-28 1989-02-06 Toyoda Gosei Kk Hose joint
JP2007278378A (ja) * 2006-04-05 2007-10-25 Bridgestone Corp 金具付きホース
WO2011070437A1 (en) * 2009-12-11 2011-06-16 Dytech - Dynamic Fluid Technologies S.P.A. Tube with an improved connection preferably for an air conditioning system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180372248A1 (en) * 2015-12-21 2018-12-27 REHAU Construction LLC. Connecting element and pipe connection comprising the same
US11767935B2 (en) * 2015-12-21 2023-09-26 Rehau Construction Llc Connecting element and pipe connection comprising the same

Also Published As

Publication number Publication date
MY168306A (en) 2018-10-25
JP5957729B2 (ja) 2016-07-27
CN104302960B (zh) 2016-03-02
HK1204672A1 (zh) 2015-11-27
CN104302960A (zh) 2015-01-21
JP2013241954A (ja) 2013-12-05

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