WO2018020898A1 - 管継手 - Google Patents

管継手 Download PDF

Info

Publication number
WO2018020898A1
WO2018020898A1 PCT/JP2017/022379 JP2017022379W WO2018020898A1 WO 2018020898 A1 WO2018020898 A1 WO 2018020898A1 JP 2017022379 W JP2017022379 W JP 2017022379W WO 2018020898 A1 WO2018020898 A1 WO 2018020898A1
Authority
WO
WIPO (PCT)
Prior art keywords
nipple
pipe
engagement
engaged
tube
Prior art date
Application number
PCT/JP2017/022379
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
泰史 松岡
藤森　裕司
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
Publication of WO2018020898A1 publication Critical patent/WO2018020898A1/ja

Links

Images

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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
    • F16L19/065—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
    • 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
    • F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts

Definitions

  • the present invention relates to a pipe joint used for pipe connection of a pipe made of a hard material or a pipe such as a hose or a tube made of a soft material.
  • this type of pipe joint includes a cylindrical portion that is externally fitted to an end portion of a connecting pipe and has an external thread formed on the outer periphery thereof, and a flange portion that protrudes from one end portion of the cylindrical portion toward the outer peripheral direction. And a cap nut having a female threaded portion that is screwed into the male threaded portion of the tubular joint body formed on the inner periphery of the front portion and a tapered portion provided on the inner periphery of the base portion. (For example, refer to Patent Document 1).
  • a pipe joint includes a nipple having an insertion portion that is inserted into a tubular body and radially faces the inner surface of the tubular body, and the nipple and the insertion portion are inserted.
  • a clamping member provided so as to be relatively movable in the axial direction relative to the outer surface of the tubular body, and a lock member attached across the nipple and the clamping member, wherein the clamping member comprises the nipple A first engaging portion that engages with a first engaged portion of the nipple, the pressing member pressing the outer surface of the tubular body toward the insertion portion with relative movement to the insertion portion.
  • a second engagement portion that engages with a second engaged portion of the tightening member, and the first engagement portion and the second engagement portion are engaged with each other in the first engagement portion.
  • Distance from the engaged portion to the second engaged portion Characterized in that it is set length as same size or smaller from the first engagement portion to the second engagement portion.
  • FIG. 3 It is explanatory drawing which shows the connection state of the pipe joint which concerns on embodiment of this invention, (a) is a front view, (b) is a right view, (c) is (1C)-(1C of FIG.1 (b). ) Is an enlarged cross-sectional view along the line.
  • (A) is a perspective view which shows the connection state of a tubular body, (b) is a vertical perspective view. It is explanatory drawing which shows the unconnected state of a tubular body, (a) is a front view, (b) is a right side view, (c) is an enlarged view along the (3C)-(3C) line in FIG. 3 (b). It is sectional drawing.
  • (A) is the disassembled perspective view of a pipe joint, (b) is the perspective view which looked at the locking member from the reverse direction.
  • the pipe joint A is configured such that, after the pipe body B is inserted into the nipple 1, the fastening member 2 is placed on the outer side of the pipe body B in the insertion direction of the pipe body B. By moving, the tubular body B is sandwiched between the nipple 1 and the fastening member 2 and connected so as not to be pulled out. After that, by attaching the lock member 3 across the nipple 1 and the fastening member 2 in a state where the tube body B is connected, the fastening member 2 is connected and held so as not to move with respect to the nipple 1.
  • a pipe joint A includes a nipple 1 having an insertion part 1a that is inserted into a pipe body B and faces the inner surface B1 of the pipe body B in the radial direction, and the nipple 1 and the insertion part.
  • a fastening member 2 provided so as to be relatively movable in the axial direction with respect to the outer surface B2 of the tubular body B into which 1a is inserted, and a lock member 3 attached over the nipple 1 and the fastening member 2 are mainly used. It is provided as a component.
  • the axial direction in which the fastening member 2 moves is the insertion direction of the tube body B with respect to the nipple 1 and the removal direction of the tube body B in the opposite direction, and the insertion direction of the tube body B is hereinafter referred to as “tube insertion direction N”.
  • the pulling direction of the tube B opposite to the tube inserting direction N is hereinafter referred to as “tube pulling direction U”.
  • the tubular body B is formed of, for example, a pipe made of a hard material such as a hard resin or a metal, or a flexible soft material such as a soft synthetic resin such as vinyl chloride, silicone rubber, or other rubber, such as a hose or a tube. Etc.
  • a pipe made of a hard material such as a hard resin or a metal
  • a flexible soft material such as a soft synthetic resin such as vinyl chloride, silicone rubber, or other rubber, such as a hose or a tube.
  • Etc. As the tubular body B, it is preferable that the distal end surface B3 is cut at a substantially vertical or nearly vertical angle and has a flat inner surface B1 and an outer surface B2.
  • a connecting end Ba having a predetermined length is inserted into the insertion portion 1a of the nipple 1 from the distal end surface B3 of the tube B.
  • a pipe having a single layer structure is used, and is fitted along the insertion portion 1a of the nipple 1 in a state where the diameter of the connection end portion Ba is larger than that of other portions.
  • a pipe having a multi-layer structure in which a metal layer such as aluminum and a hard resin layer are integrally laminated a pipe having a multi-layer structure in which a metal layer such as aluminum and a hard resin layer are integrally laminated, a hose or a tube having a single-layer structure or a multi-layer structure, etc. It is possible to make changes such as using or fitting the insertion end 1a of the nipple 1 without deforming the connecting end portion Ba of the tube body B from the other part.
  • the nipple 1 is formed of a rigid material such as a hard synthetic resin or a metal such as brass, and the insertion portion 1a has an outer diameter that is substantially the same as or slightly smaller than the inner diameter of the connection end portion Ba of the tube body B. It is formed in a substantially cylindrical shape. Further, the nipple 1 has a thin wall having an outer diameter that is substantially the same as or slightly smaller than the inner diameter of the tube body B by pressing a plate material made of a deformable rigid material such as stainless steel or other forming process. What is formed in a substantially cylindrical shape can also be used.
  • the nipple 1 includes a cylindrical insertion portion 1a that is inserted into the connection end portion Ba of the tube B, a guide portion 1b that is provided to face an inner surface of a fastening member 2 described later, and the insertion portion 1a and the guide portion. And a first engaged portion 1c provided at an exposed portion excluding 1b.
  • the guide portion 1b is a portion that guides a tightening member 2 described later with respect to the nipple 1 so as to freely reciprocate in the axial direction.
  • it is a male screw that is screwed into the inner surface of the fastening member 2 described later, and this male screw is connected to the insertion portion 1a of the nipple 1 and the first portion. It is formed between the engaged parts 1c.
  • the first engaged portion 1c is opposed to a first engaging portion 3a of the lock member 3 to be described later in the radial direction so that the first engaging portion 3a can get over in the tube insertion direction N and the tube removal direction U It is formed in a shape that engages so as not to move.
  • an annular shape flange shape continuous in the circumferential direction intersecting the axial direction (the tube insertion direction N or the tube withdrawal direction U). ) Protruding.
  • a linear groove extending in the axial direction, a slider mechanism, or the like is provided as the guide portion 1b instead of the male screw, or the shape of the first engaged portion 1c is changed to an annular shape in the circumferential direction. Changes such as formation of discontinuous protrusions can be made.
  • the insertion portion 1a of the nipple 1 is formed with an annular recess 1d extending in the circumferential direction opposite to the insertion space of the tube B and extending in the circumferential direction, and an elastically deformable ring such as an O-ring is formed in the annular recess 1d.
  • the sealing member 1e is fitted and mounted so as to be immovable in the axial direction.
  • the seal member 1e has its outer peripheral end slightly protruded from the insertion portion 1a of the nipple 1 and is brought into pressure contact with the inner surface B1 of the connection end portion Ba of the inserted tube B.
  • a plurality of sets (two sets) of annular recesses 1d and seal members 1e are arranged at predetermined intervals in the axial direction.
  • a bamboo child shape in which one or three or more annular recesses 1d and seal members 1e are disposed, or a plurality of annular protrusions and annular grooves are alternately formed in the tube insertion direction N. It is possible to change such as forming.
  • the nipple 1 is provided with a joint body 11 to which other equipment (not shown), other pipes (not shown), and the like are connected, and other equipment and other pipes connected to the joint body 11 are provided. It is preferable to connect with the tubular body B.
  • a tubular joint body 11 is integrally formed on the back side in the tube insertion direction N with respect to the first engaged portion 1c of the nipple 1.
  • the joint body 11 includes a connection part 11a for connection to a pipe connection port (not shown) such as another device or another pipe body, and a tool engagement part 11b where a tool (not shown) engages in the circumferential direction. Are integrally formed.
  • connection portion 11a When the internal thread is engraved on the inner peripheral surface of the pipe connection port in other equipment connected to the pipe joint A or other pipe bodies, the connection portion 11a is engraved with the corresponding external screw. When an external screw is engraved on the outer peripheral surface of the pipe connection port, an internal screw corresponding to this is engraved. In the illustrated example, an external screw is engraved as the connection portion 11a.
  • the shape of the tool engaging portion 11b concave portions and convex portions are alternately and continuously formed in the circumferential direction.
  • the nipple 1 and the joint body 11 are separately formed and attached detachably, or the shape of the tool engaging portion 11b is changed to a hexagonal nut shape to which a spanner or a wrench fits. It is also possible to change.
  • the fastening member 2 is made of a rigid material such as hard synthetic resin or a metal material that is not easily rusted, such as stainless steel. A part of the fastening member 2 in the axial direction is larger than the connection end Ba of the tubular body B inserted into the insertion portion 1a of the nipple 1. It is formed in a substantially cylindrical shape having an inner diameter.
  • the fastening member 2 has a moving means 2a provided on its inner surface so as to face the guide portion 1b of the nipple 1 in the radial direction, and a connecting end portion Ba of the tubular body B into which the nipple 1 and the insertion portion 1a are inserted in the radial direction. It has the press part 2b provided facing, and the 2nd to-be-engaged part 2c provided facing the lock member 3 mentioned later and radial direction.
  • the moving means 2a is a part that moves in a reciprocating manner in the axial direction (the tube insertion direction N and the tube removal direction U) in conjunction with the guide portion 1b of the nipple 1. Further, it is preferable that the moving means 2a is linked to the guide portion 1b of the nipple 1 so as to be rotatable in a circumferential direction intersecting the tube insertion direction N and is reciprocated by a rotating operation of the fastening member 2. In the case of the example shown in FIGS. 1 to 4 as a specific example of the moving means 2a, it is a female screw that is screwed into the spiral groove of the guide portion 1b, and this screw is partially formed on one end side of the inner surface of the fastening member 2. ing.
  • the pressing portion 2b presses (tightens) the outer surface B2 of the connection end portion Ba of the tube body B toward the insertion portion 1a in the radial direction as the moving means 2a moves in the tube insertion direction N with respect to the nipple 1.
  • the inner surface B1 of the connection end portion Ba of the body B is a portion that is in close contact with the insertion portion 1a of the nipple 1.
  • the pressing portion 2b is a tapered surface that is inclined so as to gradually decrease in the diameter in the tube pulling direction U, and this tapered surface is the inner surface of the fastening member 2.
  • the second engaged portion 2c is formed in a shape that engages with an exposed portion (outer surface) of the tightening member 2 so as to be immovable in the tube pulling direction U with a second engaging portion 3b of the lock member 3 described later.
  • the rectangular concave portions 21 and the rectangular convex portions 22 are alternately and continuously arranged in the circumferential direction along the outer surface of the fastening member 2. This is a tool engaging portion to be formed, and this tool engaging portion is partially formed on one end side of the outer surface of the fastening member 2.
  • the moving means 2a is provided with linear protrusions or slider mechanisms that extend in the axial direction instead of the female screws, and the shape and arrangement of the pressing portion 2b are not shown in the drawings. It is possible to change to Further, an elastically deformable sleeve is interposed inside the pressing portion 2b so that the pressing portion 2b is indirect contact with the outer surface B2 of the connecting end portion Ba of the tube B, or the second engagement It is also possible to change the shape and arrangement of the joint portion 2c other than the illustrated example.
  • the lock member 3 is a stopper that restricts the movement of the fastening member 2 relative to the nipple 1. Further, the lock member 3 is preferably formed in a ring shape or a cylindrical shape along the outer periphery of the fastening member 2 with an elastically deformable material.
  • the lock member 3 includes a first engagement portion 3a that engages with the first engaged portion 1c of the nipple 1, a second engagement portion 3b that engages with the second engaged portion 2c of the fastening member 2, have.
  • the first engaging portion 3 a is formed in a shape that engages with the first engaged portion 1 c of the nipple 1 so as to be immovable in the tube withdrawal direction U.
  • the second engaging portion 3 b is formed in a shape that engages with the second engaged portion 2 c of the fastening member 2 at least in the tube insertion direction N. Furthermore, the second engaging portion 3b is preferably formed in a shape that engages with the second engaged portion 2c so as not to rotate in the circumferential direction.
  • the locking member 3 is set so that the fastening member 2 cannot move in at least the tube withdrawal direction U with respect to the nipple 1 in the engaged state of the first engaging portion 3a and the second engaging portion 3b.
  • a part of the lock member 3 has a dividing portion 3 c for elastic deformation.
  • the dividing part 3c is formed in a substantially arc shape that allows the lock member 3 to be elastically deformed by cutting and separating a part in the circumferential direction of the lock member 3 formed in a ring shape or a cylindrical shape.
  • the first engaging portion 3 a and the second engaging portion 3 b are connected to the first engaged portion 1 c of the nipple 1 and the second engaged portion 2 c of the fastening member 2. It is configured to be detachable in the radial direction intersecting the axial direction of the body B.
  • the shape of the lock member 3 can be changed to a substantially arcuate shape and can be changed to a ring shape or a cylindrical shape without the dividing portion 3c.
  • the shape of the first engaging portion 3a is in contact with the end surface of the first engaged portion 1c in the tube removal direction U side. It is formed in the shape of an engaging claw. More specifically, a plurality of engagement claws 31 that fit in the tube removal direction U with respect to the end surface of the first engaged portion 1c in the tube removal direction U are arranged at predetermined intervals in the circumferential direction of the lock member 3, respectively. is doing. Thereby, weight reduction of the locking member 3 is achieved. In the case of the example shown in FIG. 1 to FIG.
  • the second engaging portion 3b is formed in a concavo-convex shape that contacts and engages the side end surface and the circumferential end surface of the second engaged portion 2c.
  • the plurality of rectangular protrusions 32 that fit in the tube insertion direction N and the radial direction with respect to the rectangular concave portion 21 of the second engaged portion 2c are fitted with the rectangular convex portion 22 of the second engaged portion 2c. They are arranged at predetermined intervals in the circumferential direction of the lock member 3 across a plurality of rectangular spaces 33 to be combined.
  • Each rectangular projection 32 is in a locked state fitted in the rectangular recess 21 of the second engaged portion 2c, and the end surface on the N insertion side of each rectangular projection 32 is inserted into the end surface of the rectangular recess 21 in the tube insertion direction N side. It is formed in a shape that abuts and engages in the direction N. At the same time, both end surfaces in the circumferential direction of each rectangular protrusion 32 are formed in a shape that abuts and engages with the both end surfaces in the circumferential direction of the rectangular convex portion 22 and the rectangular concave portion 21 of the second engaged portion 2c. .
  • the shape of the first engaging portion 3a may be continued without being divided in the circumferential direction, or the shape and arrangement of the second engaging portion 3b may be changed to other than the illustrated example. Is possible.
  • the operator surely moves the tightening member 2 with respect to the nipple 1 to the optimum final tightening position P1.
  • the distance from the first engaged portion 1c of the nipple 1 to the second engaged portion 2c of the tightening member 2 is as shown in FIG.
  • the length is set in advance so as to be the same as the length L from the first engaging portion 3a to the second engaging portion 3b or shorter than the length L.
  • the distance from the first engaged portion 1c of the nipple 1 to the second engaged portion 2c of the fastening member 2 is the tube insertion of the first engaged portion 1c in the example shown in FIGS. It is the minimum dimension from the direction N side end to the tube insertion direction N side end surface 21a of the rectangular recess 21 of the second engaged portion 2c.
  • the second engagement portion 3b extends from the end of the first engagement portion 3a (engagement claw 31) of the lock member 3 in the tube removal direction U side. It becomes equal to or shorter than the length L up to the tube insertion direction N-side end surface 32a.
  • the operator stops the fastening member 2 with respect to the nipple 1 at the intermediate position P2 without moving it to the optimum final fastening position P1, as shown in FIGS. 3 (a) to 3 (c).
  • the minimum distance from the first engaged portion 1c of the nipple 1 to the second engaged portion 2c of the tightening member 2 is locked as shown in FIG.
  • the length of the member 3 is set in advance so as to be longer than the length L from the first engaging portion 3a to the second engaging portion 3b. In the case of the example shown in FIGS.
  • the rectangular recess 21 of the second engaged portion 2c extends from the end in the tube insertion direction N side of the first engaged portion 1c.
  • the minimum dimension from the tube insertion direction N-side end surface 21a is such that the first engagement portion 3a (engagement claw 31) of the lock member 3 extends from the tube removal direction U-side end portion of the second engagement portion 3b (rectangular protrusion 32). It becomes longer than the length L to the pipe insertion direction N side end surface 32a.
  • the distance from the first engaged portion 1c of the nipple 1 to the second engaged portion 2c of the tightening member 2 is from the first engaging portion 3a to the second engaging portion 3b of the lock member 3.
  • the operator extends the first engaging portion 3a and the second engaging portion 3b of the lock member 3 over the first engaged portion 1c of the nipple 1 and the second engaged portion 2c of the fastening member 2. It becomes possible to engage simultaneously. As a result, the fastening member 2 cannot move in the tube withdrawal direction U with respect to the nipple 1. It is preferable to provide the first engaged portion 1 c at the exposed portion of the nipple 1 and provide the second engaged portion 2 c at the exposed portion of the fastening member 2.
  • the engagement state of the first engagement portion 3a with respect to the first engaged portion 1c of the nipple 1 and the engagement state of the second engagement portion 3b with respect to the second engagement portion 2c of the fastening member 2 are determined.
  • the engagement state of the lock member 3 with the nipple 1 and the tightening member 2 is a mark indicating that the tightening member 2 has moved to the final tightening position P1, and can be easily confirmed by an operator visually or by palpation.
  • the connection state of the body B can be easily determined.
  • the unconnected state of the tube body B in which the operator stops the movement of the tightening member 2 with respect to the nipple 1 at the midway position P ⁇ b> 2 is from the first engaged portion 1 c of the nipple 1 to the second engaged portion of the tightening member 2.
  • the interval up to 2 c is longer than the length L from the first engagement portion 3 a to the second engagement portion 3 b of the lock member 3.
  • the operator extends the first engaging portion 3a and the second engaging portion 3b of the lock member 3 over the first engaged portion 1c of the nipple 1 and the second engaged portion 2c of the fastening member 2. It becomes impossible to engage.
  • the operator can confirm that the movement of the fastening member 2 is insufficient. Therefore, it is possible to easily confirm the tightening state of the tube B by visual inspection or palpation even if it is a person who has no experience or knowledge such as an operator or supervisor immediately after the connection work of the tube B or after a lapse of time from the completion of the connection. Can do. As a result, a person such as the back of the ceiling or under the floor is able to connect the tube body B as compared to the conventional one in which the worker determines the optimum final tightening position by detecting the change in tightening resistance and completes the pipe connection work.
  • the optimum tightening state of the tube B can be reliably maintained over a long period of time, and the tube B can be maintained even if a rise in fluid pressure (internal pressure) passing through the tube B or a large earthquake occurs. Can prevent accidents and fluid leakage. As a result, the tubular body B does not come off semi-permanently, and the sealing performance with the tubular body B can be maintained semi-permanently, resulting in excellent safety.
  • the tightening member 2 has a moving means 2a that is rotatable with respect to the nipple 1, and the second engagement portion 3b of the lock member 3 engages with the second engaged portion 2c of the tightening member 2 in a non-rotatable manner. It is preferable to do.
  • the first engagement portion 3a of the lock member 3 engages with the first engaged portion 1c of the nipple 1 in the tube withdrawal direction U and at the same time the second engagement portion. 3b engages with the second engaged portion 2c of the fastening member 2 in a non-rotatable manner. For this reason, the fastening member 2 cannot rotate relative to the nipple 1 and cannot move in the tube pulling direction U.
  • the locking member 3 can reliably prevent the tightening member 2 from rotating in the loosening direction. As a result, the locking member 3 completely prevents the rotational movement of the fastening member 2 relative to the nipple 1 in the tube pulling direction U. For this reason, although it is a simple fastening structure, it can hold
  • the lock member 3 is formed along the outer periphery of the fastening member 2 and has a part 3c for elastic deformation at a part thereof.
  • the lock member 3 can be attached to and detached from the first engaged portion 1c of the nipple 1 and the second engaged portion 2c of the fastening member 2 in the radial direction intersecting the axial direction of the tube B. . Therefore, the lock member 3 can be easily attached to and detached from the nipple 1 and the fastening member 2.
  • the lock member 3 when the lock member 3 is attached to the nipple 1 and the tightening member 2 as compared with the structure in which the lock member 3 is continuous in a ring shape or a cylindrical shape, the tube B is not passed through the lock member 3 in advance.
  • the first engaging portion 3a and the second engaging portion 3b of the lock member 3 can be attached to and detached from the first engaged portion 1c and the second engaged portion 2c. Thereby, it is excellent in workability.
  • the second engaging portion 3 b of the lock member 3 can be engaged with and attached to the second engaged portion 2 c of the fastening member 2. For this reason, loss of the lock member 3 can be prevented and it is excellent in convenience.
  • the first of the lock member 3 is manually extended by the operator across the first engaged portion 1c of the nipple 1 and the second engaged portion 2c of the fastening member 2.
  • the engaging part 3a and the second engaging part 3b are engaged.
  • the present invention is not limited to this, and the relative movement of the fastening member 2 with respect to the nipple 1 in a state where the second engaging portion 3b of the locking member 3 is engaged with the second engaged portion 2c of the fastening member 2 in advance.
  • the first engagement portion 3a of the lock member 3 may get over the first engaged portion 1c of the nipple 1 and be automatically engaged.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints With Pressure Members (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
PCT/JP2017/022379 2016-07-28 2017-06-16 管継手 WO2018020898A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016148458A JP6421993B2 (ja) 2016-07-28 2016-07-28 管継手
JP2016-148458 2016-07-28

Publications (1)

Publication Number Publication Date
WO2018020898A1 true WO2018020898A1 (ja) 2018-02-01

Family

ID=61016442

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/022379 WO2018020898A1 (ja) 2016-07-28 2017-06-16 管継手

Country Status (2)

Country Link
JP (1) JP6421993B2 (enrdf_load_stackoverflow)
WO (1) WO2018020898A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021080970A (ja) * 2019-11-15 2021-05-27 日本ピラー工業株式会社 管継手

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025109776A1 (ja) * 2023-11-24 2025-05-30 株式会社Pillar 管継手構造、及び管継手構造の施工方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10332070A (ja) * 1997-06-04 1998-12-15 Nippon Pillar Packing Co Ltd 継手用締付部材の合成樹脂製締付規制具
JP2002130567A (ja) * 2000-10-27 2002-05-09 Koyo Sangyo Kk 蛇腹管用接続装置
JP2003343774A (ja) * 2002-05-24 2003-12-03 Flowell Corp チューブ材の継手
JP2015068447A (ja) * 2013-09-30 2015-04-13 日立金属株式会社 管継手

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005257065A (ja) * 2004-02-10 2005-09-22 Toyox Co Ltd ホース継手
JP2011102606A (ja) * 2009-11-10 2011-05-26 Toyox Co Ltd ホース継手
CN103370000B (zh) * 2011-11-25 2015-12-09 奥林巴斯株式会社 内窥镜

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10332070A (ja) * 1997-06-04 1998-12-15 Nippon Pillar Packing Co Ltd 継手用締付部材の合成樹脂製締付規制具
JP2002130567A (ja) * 2000-10-27 2002-05-09 Koyo Sangyo Kk 蛇腹管用接続装置
JP2003343774A (ja) * 2002-05-24 2003-12-03 Flowell Corp チューブ材の継手
JP2015068447A (ja) * 2013-09-30 2015-04-13 日立金属株式会社 管継手

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021080970A (ja) * 2019-11-15 2021-05-27 日本ピラー工業株式会社 管継手
JP7344766B2 (ja) 2019-11-15 2023-09-14 日本ピラー工業株式会社 管継手

Also Published As

Publication number Publication date
JP6421993B2 (ja) 2018-11-14
JP2018017333A (ja) 2018-02-01

Similar Documents

Publication Publication Date Title
CA2459637C (en) Pipe coupling
KR102094045B1 (ko) 관 접속 장치
JP5641552B1 (ja) 管締結構造
JP6018936B2 (ja) 管接続装置
JP5465604B2 (ja) ホースコネクタ
WO2018020898A1 (ja) 管継手
JP5953586B2 (ja) 管継手
JP2018017333A5 (enrdf_load_stackoverflow)
KR101452360B1 (ko) 청각적 또는 촉각적으로 인지가능한 인지부재를 갖는 관이음 조립체
JP6725140B2 (ja) 管継手
JP6257738B1 (ja) バルジ加工装置
KR20170033150A (ko) 원터치 피팅 어댑터
JP4597889B2 (ja) 管継手
JP6561340B2 (ja) 管継手
JP2549744Y2 (ja) 管継手
JP2019002437A5 (enrdf_load_stackoverflow)
JP7401937B1 (ja) 管継手
JP7191363B2 (ja) 管継手
JP5917198B2 (ja) 伸縮可撓式継手とこれを用いたサドル付分水栓
JP7100850B2 (ja) 管継手
HK40014779A (en) Pipe joint
HK40014779B (en) Pipe joint
JP5260039B2 (ja) 管継手
KR101522421B1 (ko) 공압 호스 연결구
JP2008144851A (ja) 配管接続用継手とこれを用いた配管接続工法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17833908

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17833908

Country of ref document: EP

Kind code of ref document: A1