EP3963245A1 - Couplage de raccordement - Google Patents

Couplage de raccordement

Info

Publication number
EP3963245A1
EP3963245A1 EP20761775.4A EP20761775A EP3963245A1 EP 3963245 A1 EP3963245 A1 EP 3963245A1 EP 20761775 A EP20761775 A EP 20761775A EP 3963245 A1 EP3963245 A1 EP 3963245A1
Authority
EP
European Patent Office
Prior art keywords
rib
connection coupling
base body
rib structure
axial section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20761775.4A
Other languages
German (de)
English (en)
Inventor
Daniel Oechsle
Holger Reinhardt
Jürgen HÖPPNER
Werner Kury
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neoperl GmbH
Original Assignee
Neoperl GmbH
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 Neoperl GmbH filed Critical Neoperl GmbH
Priority to EP22168181.0A priority Critical patent/EP4067721A1/fr
Publication of EP3963245A1 publication Critical patent/EP3963245A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F16L33/30—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses comprising parts inside the hoses only
    • 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
    • F16L33/24—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses with parts screwed directly on or into the hose
    • 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
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/16—Screw-threaded joints

Definitions

  • the invention relates to a connection coupling or connection connection for a hose, with a hose nipple on which a rib structure with at least one first rib is formed.
  • connection couplings are known and are used, for example, to attach a hose to a fitting or another hose.
  • the hose nipple is inserted into the hose and pressed or crimped from the outside in order to enable the hose to be held in a non-positive or positive manner.
  • a rib structure can be formed on the hose nipple, which increases the form fit. It is desirable if the connection coupling is held in a rotationally fixed manner in the hose so that leaks do not occur during use due to the hose slipping on the hose nipple.
  • the invention is based on the object of creating a connection coupling which is easy to manufacture and which achieves an improved hold of the hose on the hose nipple with increased sealing.
  • the features of claim 1 are provided according to the invention to achieve the stated object.
  • the invention has recognized that with such a configuration of the at least one rib a sufficient deviation from a rotational symmetry of the hose nipple can be achieved, so that an anti-rotation device can be achieved.
  • the at least one first rib runs at least in sections at an angle to a circumferential direction. In this way, a force component can be developed on the at least one first rib, which contributes to securing the hose against rotation or causes such a rotation.
  • the at least one first rib runs at least in sections at an angle to an axial direction running through the rib.
  • a force component can be developed on the at least one first rib, which contributes to an axial pull-off protection of the hose or brings about such a thing.
  • the at least one first rib forms at least one thread turn. It has been found that this shape is particularly favorable for achieving a good axial holding force and adequate protection against rotation.
  • the rib structure has at least two threads, in particular has a multiple thread. It is thus possible to implement steeper threads, so that an anti-twist device is reinforced.
  • the rib structure has at least one second rib which crosses the at least one first rib.
  • the second rib can be, for example, a rib running obliquely to a circumferential direction of a base body, in particular a rib that is screwed in opposite directions, or a rib running around along a circumferential line of a base body.
  • the rib structure has at least one further rib which has a circumference that is opposite to the at least one first rib.
  • An anti-twist device in two opposite directions of rotation can thus be provided in a simple manner.
  • the features of the second independent claim can be provided in order to achieve the stated object.
  • the rib structure being formed on a base body, it can be provided that the base body has a larger outer circumference in a first axial section of the rib structure than in a second axial section of the rib structure . In this way, different axial sections can be defined, in which an attached hose is compressed to different degrees. This can be beneficial in order to mediate between a high seal and a large axial holding force.
  • the base body has a smaller outer circumference in a third axial section of the rib structure than in that first axial section, wherein the first axial section is arranged between the second axial section and the third axial section.
  • An axial section with a maximum outer circumference of the base body can thus be provided. This can promote a particularly tight sealing of the connection between a hose and the hose nipple.
  • the base body is tapered. This can be used, for example, to make it easier to insert the hose nipple into the hose.
  • the base body is conical, in particular widened in an attachment direction.
  • the base body is bulged.
  • a circumferential maximum can thus be formed in the region of the rib structure, in particular axially spaced apart from the axial end regions of the rib structure.
  • the base body is designed in the form of a double cone in the region of the rib structure.
  • a rib height is constant along the at least one first rib.
  • the advantage here is that the same holding forces can be developed in all rib sections.
  • the rib height is constant over the entire rib structure.
  • all rib sections can be used equally for a holding force.
  • the features of the third independent claim can be provided in order to achieve the stated object.
  • the rib structure describes an envelope and that a distance between the base body and the envelope varies axially.
  • a crimp sleeve of simple design can be used in order to achieve different depths of penetration of the rib structure into a pushed-on tube in different axial sections of a complexly designed base body.
  • the envelope intersects the base body in a further axial section.
  • Axial sections can thus be provided which are essentially or completely free from ribs.
  • the envelope is a cylinder.
  • crimp sleeves that are cylindrical or only slightly deviating from a cylindrical shape can be used.
  • the at least one first rib has a course with an axial deflection in at least one rib section. In this way, an additional anti-rotation device can be achieved.
  • the at least one first rib assumes a maximum of a rib height in at least one rib section, in particular at a distance from the beginning of the rib and / or the end of the rib. It is thus possible to form projections on the first rib, which provide additional protection against rotation. These formations can additionally or alternatively be formed on the other ribs described. These projections are preferably limited to a circumferential section which is smaller than a quarter or smaller than an eighth of the circumference. Nose-shaped projections can thus be formed. The projections can, for example, result in an increase in the height of the ribs by 20% to 75%.
  • a preferably conical attachment aid is formed at one axial end.
  • the rib structure extends axially into the attachment aid or that the attachment aid is designed without ribs. In this way, the rib structure can be made as long as possible axially, or it is easier to attach a hose to the rib structure.
  • an attachment aid for example the already mentioned attachment aid, has an enlarged outer circumference compared to a base body bearing the rib structure, for example the base body mentioned above.
  • the advantage here is that the enlarged outer circumference provides an additional axial securing device which, together with the inclined rib section, effects or strengthens an anti-twist device and a safeguard against axial tensile forces applied to the hose.
  • hose nipple or the entire connection coupling is made from a plastic material, in particular by injection molding.
  • Rib structure in the form of a standard thread on a cylindrical body
  • FIG. 2 shows a sectional illustration along the sectional plane from FIG. 1,
  • FIG. 7 shows a further connection coupling according to the invention with additional crossing ribs running along a circumferential line or in the circumferential direction
  • FIG. 8 shows a further connection coupling according to the invention with a rib structure in the form of an interrupted thread turn and additional crossing ribs running around a circumferential line
  • 9 shows a further connection coupling according to the invention with a rib structure in the form of two oppositely rotating, intersecting threads
  • 17 shows a further connection coupling according to the invention with a bulged base body, ribs running in opposite directions and ribs running around the circumference,
  • FIG. 18 shows a further connection coupling according to the invention with a bulbous base body and 19 shows a sectional illustration along the sectional plane from FIG. 18.
  • connection coupling according to the invention denoted as a whole by 1, for a hose not shown further.
  • connection coupling has a connection piece 2, on which a union nut can be arranged in a manner known per se or another functional unit with which a hose can be connected to a fitting or to another hose or to another device for guiding water.
  • a hose nipple 3 connects to the connection piece 2, onto which the mentioned hose is plugged in a manner known per se.
  • a rib structure 4 is formed, on which the attached hose rests.
  • the rib structure 4 serves to prevent the hose from being unintentionally pulled off the hose nipple 3.
  • the rib structure 4 can be pressed into the hose material due to the inherent elasticity of the hose material with which the hose lies on the rib structure 4, or with additional clamps or crimp sleeves that are placed over the attached hose. A radial compression of the hose material between the clamp or crimp sleeve on the one hand and the hose nipple on the other hand can thus be produced.
  • the rib structure 4 has at least one first rib 5 which runs several times around the hose nipple 3 from a rib beginning 6 to a rib end 7. The beginning of the rib 6 and the end of the rib 7 are axially spaced from one another by the axial extent of the rib structure 4.
  • This axial distance and the uniform circumference around the hose nipple 3 have the result that the first rib 5 runs obliquely to both a circumferential direction 8 and an axial direction 9, i.e. a non-zero angle of less than 90 ° with the circumferential direction 8 or the axial direction 9 includes.
  • the axial direction 9 results here as a parallel to the longitudinal center axis 10 of the hose nipple 3, which runs through the first rib 5 at the point under consideration.
  • the first rib 5 thus forms a thread 11 with a thread groove 12 running next to the first rib 5.
  • the thread groove 12 and the first rib 5 form a circumferential thread 11 of a thread 13.
  • FIG. 3 shows a further connection coupling 1 according to the invention.
  • components and functional units that are similar or identical to the exemplary embodiment according to FIGS. 1 and 2 are denoted by the same reference symbols and are not described separately. The statements relating to FIGS. 1 and 2 therefore apply accordingly to FIG. 3.
  • connection coupling 1 according to FIG. 3 differs from FIGS. 1 and 2 in that the first rib 5 extends over the entire axial length of the hose nipple 3.
  • FIG. 3 shows a further exemplary embodiment of a connection coupling 1 according to the invention.
  • Components and functional units that are similar or identical to the exemplary embodiments according to FIGS. 1 to 3 are denoted by the same reference numerals and are not described again separately. The statements relating to FIGS. 1 to 3 therefore apply correspondingly to FIG. 4.
  • the exemplary embodiment according to FIG. 4 differs from the preceding exemplary embodiments in that the first rib 5 forms a thread 13 in the form of a coarse thread.
  • This thread 13 is designed as a two-start thread, so that two first ribs 5 are present in the rib structure 4, which run around the hose nipple 3 at a uniform distance from one another.
  • FIG. 5 shows a further connection coupling according to the invention.
  • Components and functional units that are functionally and / or structurally similar or identical to the preceding exemplary embodiments are denoted by the same reference symbols and are not described again separately.
  • the statements relating to FIGS. 1 to 4 therefore apply accordingly to FIG. 5.
  • the thread 13 is designed as a coarse thread in FIG. 5.
  • the first rib 5 has several deflections 14 which are aligned in the axial direction 9.
  • FIG. 5 shows a further connection coupling 1 according to the invention.
  • Components and functional units that are functionally and / or structurally similar or identical to the preceding exemplary embodiments are denoted by the same reference numerals and are not described again separately. The statements relating to FIGS. 1 to 5 therefore apply accordingly to FIG. 6.
  • the exemplary embodiment according to FIG. 6 differs from the preceding exemplary embodiments in that the first rib 5 has a varying rib height 15 along its course.
  • protrusions 16 are formed on which the rib material of the first rib 5 protrudes further from the hose nipple 3 than in the vicinity of these protrusions 16.
  • the protrusions 16 are each locally concentrated and extend over less than an eighth of the circumference.
  • FIG. 7 shows a further connection coupling 1 according to the invention.
  • Components and functional units that are functionally and / or structurally similar or identical to the preceding exemplary embodiments are again designated by the same reference numerals and are not described again separately.
  • the statements relating to FIGS. 1 to 6 therefore apply accordingly to FIG. 7.
  • the exemplary embodiment according to FIG. 7, analogously to FIG. 4, has two first ribs 5 which encircle the hose nipple 3 in the manner of a double helix and which form a double thread 13.
  • connection coupling 1 according to FIG. 7 has three second ribs 17, which act as closed ribs of the follow circumferential direction 8.
  • the rib end 7 is arranged on the rear side of the hose nipple 3 and is therefore not visible.
  • FIG. 8 shows a further connection coupling 1 according to the invention.
  • structurally and / or functionally similar or identical components and functional units to the preceding exemplary embodiments are denoted by the same reference numerals and are not described again separately.
  • the statements relating to FIGS. 1 to 7 therefore apply accordingly to FIG. 8.
  • the exemplary embodiment according to FIG. 8 differs from the preceding exemplary embodiments in that three first ribs 5 are formed axially next to one another. These first ribs 5 are designed to run parallel to one another. Adjacent first ribs 5 are separated from one another by second ribs 17 aligned in the circumferential direction.
  • first rib 5 runs at an angle to the circumferential direction 8 at least in the rib section 29 and at least in the rib section 30 at an angle to the axial direction 9.
  • FIG. 9 shows a further exemplary embodiment according to the invention. Structurally and / or functionally similar or identical components and functional units are again denoted by the same reference symbols. The Statements relating to FIGS. 1 to 8 therefore apply correspondingly to FIG. 9.
  • the exemplary embodiment according to FIG. 9 differs from the preceding exemplary embodiments in that a further rib 20 is formed in addition to the first rib 5. This further rib 20 runs in the opposite direction to the first rib 5 around the hose nipple 3.
  • connection coupling 1 shows a further exemplary embodiment of a connection coupling 1 according to the invention.
  • Components and functional units that are structurally and / or functionally similar or identical to the preceding exemplary embodiments are again designated by the same reference numerals and are not described again separately.
  • the statements relating to FIGS. 1 to 9 therefore apply correspondingly to FIG. 10.
  • the exemplary embodiment according to FIG. 10 has a rib structure 4 which has three first ribs 5 arranged axially next to one another. These first ribs 5 are each separated from one another by second ribs 17 which run in the circumferential direction.
  • the middle first rib 5 is designed in the opposite direction to the adjacent first ribs 5.
  • the rib structure 4 is in each case formed on a base body 21 which has the shape of a cylinder.
  • FIGS. 11 and 12 show another according to the invention Connection coupling 1.
  • Components and functional units that are structurally and / or functionally similar or identical to the preceding exemplary embodiments are again denoted by the same reference symbols and are not described again separately.
  • the statements relating to FIGS. 1 to 10 therefore apply accordingly to FIGS. 11 and 12.
  • the exemplary embodiment according to FIGS. 11 and 12 differs from the preceding exemplary embodiment in that the base body 21 is not cylindrical, but rather has a larger outer circumference in a first axial section 22 than in a second axial section 23.
  • the first rib 5 has a uniform rib height 15.
  • 13 shows a further exemplary embodiment of a connection coupling 1 according to the invention.
  • components and functional units that are functionally and / or structurally identical to the preceding exemplary embodiments are denoted by the same reference numerals and are not described separately.
  • the explanations relating to FIGS. 1 to 12 therefore apply correspondingly to FIG. 13.
  • the exemplary embodiment according to FIG. 13 shows, by way of example, a combination of the rib structure 4 from FIG. 10 with the conical base body 21 from FIG. 11.
  • the rib height 15 in the first axial section 22 is designed to be smaller than in the second axial section 23. This enables an envelope 24 of the rib structure 4 to have a cylindrical shape.
  • connection coupling 14 and 15 show a further exemplary embodiment according to the invention of a connection coupling 1. Functionally and / or structurally to the preceding ones
  • FIGS. 14 and 15 differs from the preceding embodiments in that a third axial section 25 is formed, in which the base body 21 has a smaller outer circumference than in the first axial section 22, the first axial section 22 between the second Axial section 23 and the third axial section 25 is arranged.
  • the base body 21 has a bulbous basic shape which roughly corresponds to a double cone.
  • the first rib 5 has a rib height 15 that varies along its course, so that the envelope 24 of the rib structure 4 again has a cylindrical shape.
  • Fig. 16 shows another according to the invention
  • Embodiment. Components and functional units that are structurally and / or functionally similar or identical to the preceding exemplary embodiments are denoted by the same reference symbols and are not described again separately.
  • the statements relating to FIGS. 1 to 15 therefore apply correspondingly to FIG. 16.
  • the embodiment according to FIG. 16 differs in that the double-conical base body 21 carries a rib structure 4 which is formed from a first rib 5 with a constant rib height 15.
  • Fig. 17 shows another according to the invention
  • FIG. 17 shows a combination of FIGS. 13 and 16, the rib structure 4 being designed similar to FIG. 13 and the base body 21 being designed similar to FIG. 16.
  • connection coupling 18 and 19 show a further exemplary embodiment according to the invention of a connection coupling 1. Functionally and / or structurally compared to the preceding ones
  • the embodiment according to FIGS. 18 and 19 has a bulbous base body 21, this bulbous basic shape consisting of a cylinder, which defines the second axial section 23 and the third axial section 25, and a ball, which defines the first axial section 22 is composed.
  • FIG. 18 it can also be seen that the envelope 24 intersects the base body 21 in a further axial section 28, so that the base body 21 protrudes to the outside in this further axial section 28 beyond the envelope 24 of the rib structure 4. In this axial section 28, the base body is therefore free of ribs.
  • a conical attachment aid 31 known per se is formed at the free end of the hose nipple 3.
  • the first rib 5 extends into the axial region of the attachment aid 31, while in the other exemplary embodiments the attachment aid 31 is designed without ribs.
  • the attachment aid 31 has a larger maximum outer circumference than the base body 21 and thus forms a stop for an axial displacement of the attached hose when the hose nipple 3 wants to unscrew and / or pull out of the hose.
  • individual combinations of the features of the preceding exemplary embodiments are combined with one another, for example a rib structure from one exemplary embodiment with a base body from another exemplary embodiment or part of a rib structure from one exemplary embodiment with the features of one of the protection claims with another part of a rib structure from another exemplary embodiment .
  • a rib structure 4 on a hose nipple 3 which has at least one first rib 5, wherein the at least first rib 5 extends continuously from a rib beginning 6 to an axially spaced rib end 7 and extends over a circumferential section of more than 180 °, preferably more than 270 °, particularly preferably more than 360 ° or at least once around the Hose nipple 3 coils.

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)

Abstract

L'invention concerne un couplage de raccordement, dans lequel une structure de nervures (4) est formée sur un mamelon de tuyau flexible (3), ladite structure de nervures comportant au moins une première nervure (5), ladite au moins une première nervure (5) se prolongeant en continu depuis un début de nervure (6) jusqu'à une extrémité de nervure (7), qui est axialement espacée du début de nervure, et ladite au moins une première nervure s'enroulant autour du mamelon de tuyau (3) sur une partie circonférentielle supérieure à 180°, de préférence supérieure à 270°, particulièrement de préférence supérieure à 360° ou au moins une fois (voir figure 1).
EP20761775.4A 2019-09-06 2020-08-20 Couplage de raccordement Withdrawn EP3963245A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22168181.0A EP4067721A1 (fr) 2019-09-06 2020-08-20 Raccord d'accouplement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202019104932.4U DE202019104932U1 (de) 2019-09-06 2019-09-06 Anschlusskupplung
PCT/EP2020/073434 WO2021043595A1 (fr) 2019-09-06 2020-08-20 Couplage de raccordement

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP22168181.0A Division EP4067721A1 (fr) 2019-09-06 2020-08-20 Raccord d'accouplement

Publications (1)

Publication Number Publication Date
EP3963245A1 true EP3963245A1 (fr) 2022-03-09

Family

ID=72243091

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20761775.4A Withdrawn EP3963245A1 (fr) 2019-09-06 2020-08-20 Couplage de raccordement
EP22168181.0A Withdrawn EP4067721A1 (fr) 2019-09-06 2020-08-20 Raccord d'accouplement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP22168181.0A Withdrawn EP4067721A1 (fr) 2019-09-06 2020-08-20 Raccord d'accouplement

Country Status (5)

Country Link
US (1) US12018783B2 (fr)
EP (2) EP3963245A1 (fr)
CN (1) CN114375377A (fr)
DE (1) DE202019104932U1 (fr)
WO (1) WO2021043595A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7597636B2 (ja) * 2021-04-29 2024-12-10 株式会社イノアック住環境 ホース接続部の構造及び継手

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2139745A (en) * 1937-04-07 1938-12-13 Howard W Goodall Hose coupling
US2696394A (en) * 1950-06-23 1954-12-07 Aeroquip Corp Sheet metal hose fitting and method of making the same
US3368832A (en) * 1966-05-18 1968-02-13 Minneapolis Gas Company Conduit and tube coupling
US3413020A (en) * 1966-06-24 1968-11-26 Moore & Co Samuel Composite tube fitting
US3408099A (en) * 1968-02-05 1968-10-29 Appleton Electric Co Connector for flexible hosing
US4330142A (en) * 1980-01-10 1982-05-18 Fayette Tubular Products Formed hose couplings
US4369992A (en) * 1980-11-24 1983-01-25 Aeroquip Corporation Convoluted hose fitting
US4603888A (en) * 1985-09-18 1986-08-05 Dixon Valve & Coupling Company End fitting
US5382059A (en) * 1994-01-13 1995-01-17 Dayco Products, Inc. Hose assembly, hose coupling and a part therefor and methods of making the same
US5498043A (en) * 1995-01-25 1996-03-12 Plastic Specialties And Technologies, Inc. Hose fitting having ferrule anti-rotation ratchet teeth
DE59605261D1 (de) * 1995-12-04 2000-06-21 Ecoflex S A Rohrverbindung sowie verfahren zur herstellung einer rohrverbindung
FR2822519B1 (fr) * 2001-03-26 2004-04-09 Exel Ind Raccord pour tuyau
US6899355B2 (en) * 2001-04-10 2005-05-31 Lasco Fittings, Inc. Fitting for flexible tubing
US20060006643A1 (en) * 2004-07-07 2006-01-12 Lon Schultz Connector for landscape irrigation pipe and method of using the same
US20100244438A1 (en) * 2009-03-25 2010-09-30 Johanson James E Barbed fitting for hose connection
CN201715745U (zh) * 2010-05-31 2011-01-19 重庆红歌太阳能热水器有限公司 太阳能热水器蓄水箱集热管插口用发泡层保护套
JP5637363B2 (ja) * 2010-07-23 2014-12-10 株式会社トヨックス 補強ホース
DE202011102083U1 (de) * 2011-06-21 2012-09-24 Neoperl Gmbh Schlauchnippel und Schlauchanordnung
CN206918589U (zh) * 2017-06-05 2018-01-23 中山市云腾摄影器材有限公司 一种可伸缩套管连接结构及其应用的摄影支架
CN207421600U (zh) * 2017-10-31 2018-05-29 无锡康柏斯机械科技有限公司 一种软管的筋条式接头

Also Published As

Publication number Publication date
CN114375377A (zh) 2022-04-19
EP4067721A1 (fr) 2022-10-05
US20220325833A1 (en) 2022-10-13
US12018783B2 (en) 2024-06-25
WO2021043595A1 (fr) 2021-03-11
DE202019104932U1 (de) 2020-12-08

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