WO2022107149A1 - Raccord de tuyau à tuyau - Google Patents

Raccord de tuyau à tuyau Download PDF

Info

Publication number
WO2022107149A1
WO2022107149A1 PCT/IL2021/051386 IL2021051386W WO2022107149A1 WO 2022107149 A1 WO2022107149 A1 WO 2022107149A1 IL 2021051386 W IL2021051386 W IL 2021051386W WO 2022107149 A1 WO2022107149 A1 WO 2022107149A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
connector
tubular body
engagement
engagement clips
Prior art date
Application number
PCT/IL2021/051386
Other languages
English (en)
Inventor
Kross ASHOOSH
Original Assignee
Hamashbir For Agricultural Ltd.
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 Hamashbir For Agricultural Ltd. filed Critical Hamashbir For Agricultural Ltd.
Publication of WO2022107149A1 publication Critical patent/WO2022107149A1/fr

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
    • F16L37/00—Couplings of the quick-acting type
    • 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • F16L21/03—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
    • 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
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
    • 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/08—Joints with sleeve or socket with additional locking means
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/082—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using an element which is hinged on one end of the pipe-ends and which is maintained in locked position by a screw tightened against the other pipe-end

Definitions

  • the present invention is in the field of piping, in particular pipe connectors.
  • Pipe connectors or fittings are widely used in industry. Convenience, simplicity of design and rapid connections are desirable characteristics of such connectors.
  • US 10,082,232 discloses a quick-connect fitting that includes a polymeric first connector in fluid communication with a first component, and a polymeric second connector in fluid communication with a second component.
  • the first connector is either a male fitting or a female fitting, and the other of the male fitting and female fitting is the second connector.
  • the female fitting includes a longitudinal cylindrical cavity having therein a retaining ring that retains an O- ring, and the male fitting includes a cylindrical body and a tubular sealing element extending longitudinally therefrom, positionable within the polymeric female fitting and O-ring in sealing engagement.
  • the quick connect fitting includes a clip pivotably connected to the second connector moving between a first position connecting the female fitting to the male fitting when the male fitting is positioned within the female fitting and a second position in which the male fitting is removable from the female fitting.
  • US 8,480,134 discloses a pipe fitting and associated piping joint assembly package to allow re-use and repair of push-fit, formed piping elements without damage to the fitting or valve elements or the pipe, and without coining, gluing or threaded engagement of parts.
  • One embodiment includes a pipe fitting having first and second radial housing elements for respectively receiving one or more sealing members and a fastening ring.
  • the fitting further includes a sealing member stabilizer element, a housing divider element and a snap ring support member cooperatively engageable so as to facilitate a secure retention and optional removal of an inserted piping element.
  • the presently disclosed invention relates to a pipe connector for facilitating the quick and convenient connection between pipes.
  • the pipe may be metallic or polymeric (e.g., plastic).
  • One end of the connector is configured for connection to a threaded pipe and can be tightened to the threaded pipe using a standard wrench (i.e., there is no need for a pipe wrench).
  • the other end of the connector includes two or more connector engagement clips so as to be configured to connect to a rigid or semi-rigid pipe that has an annular lip to which the connector engagement clips clasp.
  • a pipe-to-pipe connector for connecting between a first pipe having a pipe threaded end, and a second pipe having a non-threaded pipe end and an annular lip with a recessed groove
  • the connector comprising: a tubular body comprising an inner wall and an outer wall and extending between a threaded end and a non-threaded end thereof, wherein the threaded end of the connector is configured for engagement with the pipe threaded end of the first pipe, and wherein the non-threaded end of the connector is configured to receive the non-threaded pipe end of the second pipe; and at least two pipe connector engagement clips, wherein each of the at least two pipe connector engagement clips has a free end with a hook and is pivotally connected to the tubular body such that the pipe connector engagement clips are openable/spreadable and configured to stably clasp the annular lip of the second pipe via positioning of the hooks in the recessed groove.
  • the threaded end of the tubular body comprises a polygonal head having at least two parallel sides so as to correspond to a standard wrench or the like.
  • the polygonal head of the tubular body is a hexagonal head. In one or more embodiments, the polygonal head of the tubular body is a square head. In one or more embodiments, the polygonal head of the tubular body is an octagonal head.
  • the pipe connector engagement clips comprise a projection configured for engagement with a user’s hand to facilitate spreading of the pipe connector engagement clips.
  • the pipe connector engagement clips comprise raised strips for stable interface and traction with a user’s finger to facilitate spreading of the pipe connector engagement clips.
  • the pipe connector engagement clips comprise a prong with an angled surface configured to interface with the tubular body to limit spread and/or allow a spring-like or elastic property of the pipe connector engagement clips.
  • the non-threaded end of tubular body contains a seal therein.
  • the inner wall of the tubular body contains at least one pipe stopper tooth configured to interface with the entering non-threaded end of the second pipe.
  • the engagement clips are configured to pass over the annular lip of the second pipe whereby respective free ends of the engagement clips are disposed over the annular lip.
  • the engagement clips are pivotally connected to the tubular body via connection wings attached to the outer wall thereof.
  • the pipe connector engagement clips comprise a resilient prong at a proximal end thereof configured to urge the engagement clips inward after being opened.
  • the pipe connector engagement clips comprise a proximal end having a finger grip projection and/or grooves or raised strips configured to provide convenient interface and traction with a user’s thumb and forefinger to spread pipe connector engagement clips.
  • each of the connection wings comprises a pair of connection wing apertures; and each of the at least two pipe connector engagement clips comprises a pipe connector engagement clip aperture, and the connection wing apertures and the pipe connector engagement clip aperture are configured to align with each other and be pivotably associated via a pivot pin.
  • the non-threaded end comprises an outer annular ring configured to interface with the annular lip of the second pipe when the non-threaded end thereof is suitably inserted into the tubular body.
  • the second pipe has a beveled body-entering end to facilitate insertion into tubular body and the tubular body comprises one or more inner teeth disposed at an inner wall thereof, the inner teeth being configured to engage said beveled body-entering end, when the second pipe is inserted into the connector
  • the resilient prongs comprise curved free ends configured to aid in the interface of the prongs with tubular body.
  • FIG. 1 is a perspective view of a pipe connector in accordance with exemplary embodiments of the presently disclosed invention.
  • FIG. 2 is a front view of the pipe connector of Fig. 1.
  • Fig. 3 is a side of the pipe connector of Fig. 1.
  • FIG. 4 and Fig. 5 are end views of the pipe connector of Fig. 1.
  • FIG. 6 is a perspective view of a pipe connector engagement clip of the pipe connector in accordance with embodiments of the presently disclosed invention.
  • Figs. 7A and 7B are respective views of the pipe connector about to connect between two pipes; and connecting two pipes. view taken along A-A of Fig. 3.
  • the presently disclosed invention pertains to a pipe connector for connecting between a first pipe and a second pipe.
  • the pipe connector comprises a threaded end for allowing an engagement with the first pipe having a corresponding internal pipe threaded end.
  • the pipe connector further comprises a non-threaded end for allowing an engagement by insertion with a second pipe having an external non-threaded pipe end.
  • the connector further comprises one or more pipe connector engagement clips configured to clasp an annular lip of the second pipe.
  • a pipe connector comprising a tubular body extending between a first threaded end and a second non-threaded end and comprising an inner wall and an outer wall, wherein the external threads of the threaded end configured for engagement with pipe threaded end of a first pipe, and the non-threaded end configured to receive a non-threaded pipe end of a second pipe.
  • the connector is useful for various applications, particularly, but not necessarily for agriculture piping systems, plumbing systems, oil or gas systems and the like.
  • the connector further comprises at least two pipe connector engagement clips for securing the engagement with the second pipe.
  • the engagement clip may be made from various materials including, a polymeric material, a metal, a wood, or a combination thereof.
  • Various types of polymeric materials are suitable, for example, polypropylene, polyethylene, silicone or the like.
  • Suitable metals include, for example, aluminum, iron, copper, magnesium, an alloy (e.g., steel) or the like.
  • the engagement clip is made from aluminum and the tubular body of the connector is made from a polymer, such as a plastic.
  • the engagement clip is made from aluminum and the tubular body of the connector is made from polypropylene. In an exemplary embodiment, the engagement clip is made from aluminum and the tubular body of the connector is made from polyethylene. In a further exemplary embodiment, the engagement clip as well as the tubular body of the connector are made from a polymer.
  • the engagement clip of the pipe connector has a free end with a hook.
  • the engagement clip is pivotally connected to the tubular body of the connector via connection wings attached to the outer wall of the tubular body.
  • the pipe connector engagement clips are openable/spreadable and can pass over and clasp an annular lip of the second pipe.
  • the pipe connector engagement clips may comprise a prong with an angled surface configured to interface with the tubular body to limit spread and/or allow spring-like elasticity of the pipe connector engagement clips.
  • the pipe connector engagement clips may comprise a projection and/or one or more raised strips configured for engagement with a user’s hand to facilitate spreading of the pipe connector engagement clips.
  • the free ends of the engagement clips when engaged with the second pipe, are disposed over the annular lip and the hooks are disposed in the recessed groove of the second pipe.
  • the threaded end of the pipe connector comprises a polygonal head having at least two parallel sides so as to correspond to a standard wrench or the like.
  • the polygonal head is a hexagonal head, a square head, or an octagonal head.
  • the pipe connector may comprise one or more seals made of a rubber material and disposed on or extend from the inner wall thereof for allowing a leak proof engagement with the second pipe.
  • the inner wall of the tubular body of the connector contains at least one pipe stopper tooth configured to interface with the entering non-threaded end of the second pipe.
  • the pipe refers to a hollow cylindrical element used for the conveyance of fluid or gas.
  • the pipe may include any suitable cylindrical hollow structure and may encompass a tube, a pipe connector, a pipe portion and an elongated pipe.
  • the pipe may, but not necessarily be used for agriculture purposes, such as for irrigation purposes.
  • the pipe may be made from various materials such as rigid or resilient, or semi- resilient materials. Exemplary suitable materials include, for example, canvas cloth, polyvinyl chloride (PVC), polypropylene, polyethylene, silicone, rubber, or the like.
  • PVC polyvinyl chloride
  • the engagement of the connector with the first and/or second pipes provides for a substantially sealed connection with no or minimal fluid leakage.
  • the connector is configured to provide a connection that is stable and resistant to high pressure forces.
  • the connector is configured so that the engagement with the first and/or second pipe(s) is sturdy allowing fluid passageway resisting a pressure of up to about 10 atm or higher pressures, including withstanding a pressure resistance of up to 9 atm, for example, up to 8 atm, up to 7 atm, up to 6 atm, up to 5 atm, or up to 4 atm.
  • the engagement with the pipe(s) allows pressure resistance of at least about 2.5 atm.
  • At least about 1.5 atm at least about 2 atm, at least about 2.5 atm, at least about 3 atm, at least about 4 atm, at least about 5 atm, at least about 6 atm, at least about 7 atm, at least about 8 atm, at least about 9, or at least about 10 atm.
  • the connector may advantageously facilitate water saving by reducing leakage and providing a quick and convenient and sturdy coupling thereby increasing efficiency and usage simplicity.
  • the connector is manufactured as a single piece.
  • Various materials may be used for manufacturing the connector.
  • the material used to manufacture the connector includes a polymeric material.
  • polymeric materials are suitable, for example, polypropylene, polyethylene, silicone or the like.
  • the inner diameter of the connector is substantially constant along the entire length thereof.
  • the inner diameter may be variable presenting a reduced inner diameter toward the threaded end or toward the non-threaded end.
  • the inner diameter is continuously reduced along the length of the connector toward the threaded end or toward the non-threaded end.
  • the diameter may be reduced along the length of the connector toward the non-threaded end or toward the non-threaded end by up to about 30%. For example, by up to about 25% or up to about 20%, up to about 15%, or up to about 10%.
  • the inner diameter may thus have a conical shape.
  • the inner diameter of the connector may be about 30 mm to about 90 mm.
  • the inner diameter may be about 48 mm, or about 50 mm, or about 55 mm.
  • the outer most diameter of the connector is substantially constant along the entire length thereof.
  • the outer diameter may be variable presenting a reduced diameter toward the threaded end or toward the non-threaded end.
  • the diameter is continuously reduced along the length of the connector toward the threaded end or toward the nonthreaded end.
  • the outer most diameter may be about 30 mm to about 100 mm.
  • the outer diameter of the tube may be about 50 mm, or about 55 mm.
  • the connector may have a length of about 20 mm to about 70 mm.
  • a length of about 20 mm to about 70 mm For example, about 30 mm to about 60 mm, about 40 mm to about 55 mm, or about 45 mm to about 55 mm.
  • Figs. 1-5 show a pipe connector in accordance with embodiments of the presently disclosed invention.
  • Figs. 7A-7B show the instant pipe connector prior to and following an engagement with pipes.
  • the pipe connector is configured to connect between a first threaded pipe 100 (illustrated as having internal threads 102) and a second smooth pipe 104 having an annular lip 106 with an annular moat-like recess or groove 108, and a non-threaded end.
  • the pipe connector includes a tubular body 20 with a threaded end 22, illustrated as having external threads 24 and a non-threaded or smooth end 26.
  • threaded end 22 may have internal threads for threading to external threads of a threaded pipe (such as threaded pipe 100 shown in Figs. 7A - 7B).
  • the pipe connector may include a polygonal head 28, for example, in the shape of a square, hexagon, or octagon. Such a design allows for use of a regular standard wrench, rather than requiring a pipe wrench or the like, to tighten the connector’s polygonal head 28 to threaded pipe 100.
  • Polygonal head 28 has at least two parallel sides 30 (designated in pairs of parallel sides 30a, 30b, 30c; and best illustrated in Fig. 4).
  • connection wings 38 and pipe connector engagement clips 32 may have corresponding (aligning) apertures, for example each of the connection wings includes connection wing apertures 40 and each pipe connector engagement clip 32 includes a pipe connector engagement clip aperture 42.
  • Each pipe connector engagement clip 32 may be pivotably connected to an associated connection wing 38 via a pivot pin 44.
  • each pipe connector engagement clip 32 preferably include a resilient prong 54 at its proximal end 46 that acts like a spring to close the engagement clips 32, or otherwise urges the engagement clips inward toward a closed position, as will be understood below.
  • FIG. 7A coupling threaded pipe 100 to smooth pipe 104 is accomplished as follows. Threaded end 22 of tubular body 20 is screwed into threaded pipe 100, typically using a wrench interfacing with polygonal head 28. Pipe connector engagement clips 32 are then spread open, for example, with one of the user’s hands pressing inwardly on grooves or raised strips 50 and/or backward and inward on finger grip projection 48 causing clips 32 to pivot at pivot pin 44. Smooth pipe 104 can then be slid into tubular body 20, for example with the user’s other hand. Smooth end 26 may have an outer annular ring 58 that interfaces with annular lip 106 when smooth pipe 104 is suitably inserted into tubular body 20.
  • smooth pipe 104 may have a beveled body-entering end 60 to facilitate insertion into tubular body 20.
  • the inward/backward pressure at strips 50 and/or finger grip projection 48 pushes resilient prongs 54 into the outer wall 56 of tubular body 20 producing a push- back spring force due to the resilience of the prongs 54.
  • the free end 62 of resilient prongs 54 may be angled, as illustrated, to aid in the interface with tubular body 20 and help the clip’s prongs 54 to bend in the direction of arrow 64.
  • resilient prongs 54 act like a leaf spring.
  • pipe connector engagement clips 32 are then closed, which may be conveniently accomplished merely by releasing pressure on strips 50 I projection 48.
  • free ends 34 of clips 32 are disposed (closed) over annular lip 106 and hooks 36 become disposed in groove 108 of the smooth pipe’s annular lip.
  • the resiliency of prongs 54 of connector engagement clips 32 aids in, or is completely the driving force for, closing free end 34 of the connector engagement clips over annular lip 106.
  • Fig. 8 is a cross-sectional view of tubular body 20 showing optional internal components thereof.
  • tubular body 20 may include a seal 66 at its smooth end 26 to interface with smooth pipe 104 at the connecting end thereof to reduce or prevent fluid leakage.
  • one or more inner teeth 70 may be disposed at the inner wall 68 of tubular body 20 and configured to engage with beveled end 60, when smooth pipe 104 is inserted into the connector, and act as an additional stopper and/or provide a squeezing force on the beveled end 60 to help secure smooth pipe 104. Due to the angle/bevel of beveled end 60, teeth 70 may provide a backward force on smooth pipe 104, which can help secure hook 36 in groove 108 of annular lip 106.
  • the term 'method' refers to steps, procedures, manners, means, or/and techniques, for accomplishing a given task including, but not limited to, those steps, procedures, manners, means, or/and techniques, either known to, or readily developed from known steps, procedures, manners, means, or/and techniques, by practitioners in the relevant field(s) of the presently disclosed subject matter.
  • a numerical value of a parameter, feature, characteristic, object, or dimension may be stated or described in terms of a numerical range format.
  • Such a numerical range format illustrates implementation of some exemplary embodiments of the presently disclosed subject matter, and does not inflexibly limit the scope of the exemplary embodiments of the presently disclosed subject matter. Accordingly, a stated or described numerical range also refers to, and encompasses, all possible subranges and individual numerical values (where a numerical value may be expressed as a whole, integral, or fractional number) within that stated or described numerical range.
  • a stated or described numerical range 'from 1 to 6' also refers to, and encompasses, all possible sub-ranges, such as 'from 1 to 3', 'from 1 to 4', 'from 1 to 5', 'from 2 to 4', 'from 2 to 6', 'from 3 to 6', etc., and individual numerical values, such as 'T, '1.3', '2', '2.8', '3', '3.5', '4', '4.6', '5', '5.2', and '6', within the stated or described numerical range of 'from 1 to 6'.
  • the phrase 'in a range of between about a first numerical value and about a second numerical value' is considered equivalent to, and meaning the same as, the phrase 'in a range of from about a first numerical value to about a second numerical value', and thus, the two equivalently meaning phrases may be used interchangeably.
  • the term about is some embodiments, refers to ⁇ 30 % of the stated numerical value. In further embodiments, the term refers to ⁇ 20 % of the stated numerical value. In yet further embodiments, the term refers to ⁇ 10 % of the stated numerical value.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Electric Cable Installation (AREA)

Abstract

La présente invention concerne des raccords de tuyaux pour permettre un raccordement rapide et pratique entre des tuyaux. Une extrémité du raccord est conçue pour être raccordée à un tuyau fileté et l'autre extrémité du raccord comprend au moins deux éléments d'attache pour mise en prise du raccord de façon à être conçue pour se raccorder à un tuyau rigide ou semi-rigide.
PCT/IL2021/051386 2020-11-23 2021-11-21 Raccord de tuyau à tuyau WO2022107149A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL278928 2020-11-23
IL278928A IL278928B1 (en) 2020-11-23 2020-11-23 Pipe to pipe connector

Publications (1)

Publication Number Publication Date
WO2022107149A1 true WO2022107149A1 (fr) 2022-05-27

Family

ID=81708578

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2021/051386 WO2022107149A1 (fr) 2020-11-23 2021-11-21 Raccord de tuyau à tuyau

Country Status (2)

Country Link
IL (1) IL278928B1 (fr)
WO (1) WO2022107149A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1561064A1 (fr) * 2002-10-30 2005-08-10 A. Raymond & Cie Element de connexion
US20130147188A1 (en) * 2011-12-09 2013-06-13 Earl Christian, Jr. Quick-connect tube coupling
US9657879B1 (en) * 2013-03-15 2017-05-23 Mercury Plastics, Inc. Tube connection assembly
CN211398916U (zh) * 2019-12-03 2020-09-01 浙江创格科技有限公司 一种油尺管快插接头

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1561064A1 (fr) * 2002-10-30 2005-08-10 A. Raymond & Cie Element de connexion
US20130147188A1 (en) * 2011-12-09 2013-06-13 Earl Christian, Jr. Quick-connect tube coupling
US9657879B1 (en) * 2013-03-15 2017-05-23 Mercury Plastics, Inc. Tube connection assembly
CN211398916U (zh) * 2019-12-03 2020-09-01 浙江创格科技有限公司 一种油尺管快插接头

Also Published As

Publication number Publication date
IL278928A (en) 2022-06-01
IL278928B1 (en) 2024-03-01

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