WO2008067569A1 - Garden irrigation system coupling - Google Patents

Garden irrigation system coupling Download PDF

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Publication number
WO2008067569A1
WO2008067569A1 PCT/ZA2006/000139 ZA2006000139W WO2008067569A1 WO 2008067569 A1 WO2008067569 A1 WO 2008067569A1 ZA 2006000139 W ZA2006000139 W ZA 2006000139W WO 2008067569 A1 WO2008067569 A1 WO 2008067569A1
Authority
WO
WIPO (PCT)
Prior art keywords
coupling
nipple
water
arcuate face
sprinkler head
Prior art date
Application number
PCT/ZA2006/000139
Other languages
French (fr)
Inventor
Jan Jacobus Alwyn Marais
Original Assignee
Rossouw, Jacques
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 Rossouw, Jacques filed Critical Rossouw, Jacques
Priority to PCT/ZA2006/000139 priority Critical patent/WO2008067569A1/en
Publication of WO2008067569A1 publication Critical patent/WO2008067569A1/en
Priority to ZA200903930A priority patent/ZA200903930B/en

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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
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
    • F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
    • F16L27/047—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces held in place by a screwed member having an internal spherical surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/652—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented
    • B05B15/654—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented using universal joints

Definitions

  • the invention relates to a garden irrigation system coupling.
  • the inventor has identified a problem with most garden irrigation systems.
  • the coupling between the water conduit from the water supply source and the discharge nozzles is a rigid T-coupling or rigid elbow which results in the nozzles or sprinkler mechanisms having a fixed orientation relative to the water conduit and not to the surrounding garden.
  • hosepipe to tap connections are also rigid connections, such as those available in the GardeniaTM click-on range with the result that the hose hangs from the tap but when the hosepipe is pulled laterally such as when the hosepipe is extended its full length, the nipple of the click-on connection, which is made of plastics material, breaks off and is retained in the receiving socket attached to the hosepipe.
  • the above two problems are caused by the rigidness of the connection couplings used in each of the cases.
  • a garden irrigation system coupling for attaching a water distribution nozzle and/or sprinkler to a water conduit leading water thereto from a water supply, the coupling including a nipple having a bore therethrough to permit water to flow from the water supply, said nipple being displaceable in at least two planes.
  • the nipple may be displaceable within a volume describing a conical segment of a sphere.
  • the coupling may include:
  • the nipple having an arcuate face, the bore passing through the arcuate face;
  • a garden irrigation system coupling for attaching a water distribution nozzle and/or sprinkler to a water conduit leading water thereto from a water supply, the coupling including a nipple having a bore therethrough to permit water to flow from the water supply, the coupling including:
  • the nipple having an arcuate face, the bore passing through the arcuate face;
  • the arcuate face may be in the form of a portion of sphere.
  • the supply side attachment means may include a first supply end configured for attachment to a water supply conduit and a second end configured for co-operation with the nipple's arcuate face to form a flow channel.
  • the supply side attachment means second end may include a longtitudonally directed annular recess for receiving a seal ring which, in use, faces the arcuate face of the nipple so that the arcuate face seals against the seal.
  • the sealing means may include one or more seal rings.
  • the water distribution portion may include a first supply end configured for co-operation with the nipple's arcuate face to form a flow channel and a second distribution end for distributing the water which has passed through the bore in the nipple.
  • the water distribution portion first supply end may include a longtitudonally directed annular recess for receiving a seal ring which, in use, faces the arcuate face of the nipple so that the arcuate face seals against the seal.
  • the second distribution end may be in the form of a bush configured for receiving an irrigation nozzle and/or sprinkler.
  • the bush may be a screw threaded bush.
  • the second distribution end may be in the form a nipple configured for attachment to an irrigation nozzle and/or sprinkler.
  • the nipple may be screw threaded for securing to a complementary screw threaded bush of the nozzle and/or sprinkler.
  • the coupling may be in the form of a ball and socket joint wherein the ball portion has a bore therethrough for permitting water to flow, the socket portion including the sealing means so that portions of the ball portion around the bore seal against the sealing means to form a watertight coupling.
  • the socket portion may be in the form of a bush, the sealing means being located within the bore of the bush, a screw thread provided on an outer surface of the bush.
  • the ball portion may include a tubular portion extending away from the arcuate surface.
  • a nut may be provided whereby the arcuate face of the ball portion is interposed between the nut and sealing means in the bore of the bush and the arcuate face of the ball portion is urged into a sealing relationship with the sealing means by the fastening of the nut to the bush.
  • the nut may have a tapered inner bore having a reducing inner diameter thereby to capture the arcuate face of the nipple within the nut's inner bore and facilitate urging the arcuate face towards the sealing means as the nut is fastened to the bush.
  • the coupling may be made from a plastics material.
  • At least a portion of the arcuate face may be of a resiliency deformable material.
  • the resiliently deformable material may be an elastomeric material.
  • the resiliently deformable material may be a seal material whereby the arcuate face engages a facing surface to effect a watertight seal to permit water to flow through the bore.
  • the invention extends to a sprinkler head for a garden irrigation system, said sprinkler head including connection means for connecting the sprinkler head to a water supply conduit of the garden irrigation system, said connection means including an arcuate face which permits the sprinkler head to be displaced through a volume defining a cone.
  • connection means may be in the form of a part of a ball and socket joint having a bore therethrough for water to flow, said part of the ball and socket joint configured to co-operate with a complementary part of the ball and socket joint on the water supply conduit thereby to connect the sprinkler head to the water supply conduit while permitting for angular manipulation of the sprinkler head.
  • connection means including sealing means for sealing the water flow path between the water supply conduit to the sprinkler head.
  • the sealing means may include a seal portion on the arcuate face of the sprinkler head which seal portion co-operates with a complementary portion on the water supply conduit to form a seal.
  • a securing means is provided to draw the arcuate face towards the water supply conduit thereby to compress the seal means and to secure the sprinkler head to the water supply conduit while permitting manipulation of the angular positioning of the sprinkler head relative to the water supply conduit and/or the surrounding garden to be irrigated.
  • the securing means may be in the form of a nut having a tapered inner surface with abuts a portion of the arcuate face distal the bore.
  • the invention extends to a hose pipe connector, said connector including the operative portion of the coupling as described above adapted for connection to a water supply tap, such as a garden tap, whereby when a laterally directed pulling force is exerted on a hose pipe connected by the hose pipe connector rather than breaking of at the point of connection the connector accommodates this by directing the connector outlet towards the direction of the force.
  • a water supply tap such as a garden tap
  • the hose pipe connector may include a ball-and-socket joint such as that described above.
  • the hose pipe may include a click-on mechanism comprsing a nipple portion which is secured to a tap and a socket portion which is attached to a hose pipe, the nipple portion clickingly engaging the socket to attach the hose pipe to the tap.
  • the nipple portion may be the ball of the ball and socket joint.
  • a ball-and-socket connector may be provided between the tap and the nipple, so that the nipple is attached to a coupling of the invention and not directly onto the tap.
  • Figure 1 shows, in cross-sectional detail, a garden irrigation system coupling of the invention
  • Figure 2 shows, in cross-sectional detail, a nipple having a arcuate face of the coupling of Figure 1 ;
  • Figure 3 shows, in cross-sectional detail, a nut for sealingly securing the nipple of Figure 2;
  • Figure 4 shows, in cross-sectional detail, a supply side attachment bush of the coupling of Figure 1 ;
  • Figure 5 shows, in cross-sectional detail, a different embodiment of the coupling of Figure 1 ;
  • Figure 6 shows, in exploded view, the coupling of Figure 1 ;
  • Figure 7 shows, in exploded view, the coupling of Figure 1 ;
  • Figure 8 shows, in side elevation, a sprinkler of the invention.
  • reference numeral 10 generally indicates a garden irrigation system coupling broadly in accordance with the invention.
  • the coupling 10 includes a supply side attachment means in the form of a bush 12, a nipple 14 having an arcuate face 16 having a bore 18 passing through the arcuate face 16, a water distribution portion 20 for distributing water supplied through the nipple 14, and sealing means in the form of a seal ring 22 for sealing the coupling 10 parts together so that water entering at the bush 12 passes through the bore 18 of the nipple 14 and out through the water distribution portion 20 with little or no leakage.
  • the bush 12 includes a first supply end 24 configured for attachment to a water supply conduit (not shown) and a second end 26 configured for co-operation with the nipple's arcuate face 16 to form a flow channel 28.
  • the first supply end 24 is a screw threaded socket 30 configured for screw threadedly securing to a complementarily threaded pipe tail on the water supply conduit (not shown).
  • the second end 26 includes a longtitudonally directed annular recess 32 for receiving the seal ring 22 which, in use, faces the arcuate face 16 of the nipple 14 so that the arcuate face 14 seals against the seal 22.
  • the arcuate face 16 of the nipple 14 is in the form of a portion of a sphere.
  • the nipple 14 includes a distribution end 36 distal the arcuate face 16.
  • the water distribution portion 20 is the distribution end 36 of the nipple 14 and includes a screw threaded bush 38 configured for receiving an irrigation nozzle and/or sprinkler provided with a complementarily screw threaded pipe tail (not shown).
  • the coupling 10 is in the form of a ball-and-socket joint 40 wherein the ball portion 16 has a bore 18 therethrough for permitting water to flow, the socket portion 26 including the seal 22 so that portions of the ball portion 16 around the bore 18 seal against the seal ring 22 to form a watertight coupling 10.
  • the socket portion 26 is in the form of a bush, the seal ring 22 being located within the annular recess 32 of the bush, a screw thread 42 provided on an outer surface of the bush 26.
  • the ball portion 16 includes a tubular portion 44 extending rearwardly away from the ball.
  • a nut 46 is provided whereby the arcuate face 16 of the ball portion is interposed between the nut 46 and seal 22 in the recess 32 of the bush 26 and the arcuate face 16 of the ball portion is urged into a sealing relationship with the seal 22 by the fastening of the nut 46 to the screw thread 42 of the bush 26.
  • the nut 46 has a tapered inner bore 48 having a reducing inner diameter thereby to capture the rearwardly facing portion 50 of the ball 16 of the nipple 14 within the nut's inner bore 48 and facilitate urging the arcuate face 16 towards the seal as the nut 46 is fastened to the screw thread 42 of the bush 26.
  • the coupling 10 is made from a plastics material.
  • the distribution end is in the form of a screw threaded pipe tail 52 rather than a screw threaded socket. This is necessitated to accommodate a smaller sprinkler size.
  • connections to a water supply of a garden irrigation system may be manipulated in terms of the plane in which a distribution nozzle is directed so that the angle of the distribution nozzle is adjustable relative either to the water supply or to the ground to be irrigated which is not possible at present.
  • adjustments may be made on an ongoing basis merely by manipulating the coupling without a need to dig up water supply piping.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)

Abstract

The invention provides a garden irrigation system coupling 10 which includes a supply side attachment means 12, a nipple 14 having an arcuate face 16 having a bore 18 passing through the arcuate face 16, a water distribution portion 20 for distributing water supplied through the nipple 14, and sealing means 22 for sealing the coupling 10 parts together so that water entering at 12 passes through the bore 18 of the nipple 14 and out through the water distribution portion 20 with little or no leakage. The attachment means 12 includes a first supply end 24 configured for attachment to a water supply conduit (not shown) and a second end 26 configured for co-operation with the nipple's arcuate face 16 to form a flow channel 28. The invention also provides a sprinkler head and a hose pipe connector incorporating the same principle.

Description

Garden Irrigation System Coupling
Field of the Invention
The invention relates to a garden irrigation system coupling.
Background to the Invention
The inventor has identified a problem with most garden irrigation systems.
The inventor has observed that the coupling between the water conduit from the water supply source and the discharge nozzles is a rigid T-coupling or rigid elbow which results in the nozzles or sprinkler mechanisms having a fixed orientation relative to the water conduit and not to the surrounding garden.
The inventor has also observed that hosepipe to tap connections are also rigid connections, such as those available in the Gardenia™ click-on range with the result that the hose hangs from the tap but when the hosepipe is pulled laterally such as when the hosepipe is extended its full length, the nipple of the click-on connection, which is made of plastics material, breaks off and is retained in the receiving socket attached to the hosepipe. The above two problems are caused by the rigidness of the connection couplings used in each of the cases.
Having considered the above problem at length and having experimented with various solution options the inventor now proposes the following invention which it is believed alleviates the above problems.
Summary of the Invention
According to a first aspect of the invention there is provided a garden irrigation system coupling for attaching a water distribution nozzle and/or sprinkler to a water conduit leading water thereto from a water supply, the coupling including a nipple having a bore therethrough to permit water to flow from the water supply, said nipple being displaceable in at least two planes.
The nipple may be displaceable within a volume describing a conical segment of a sphere.
The coupling may include:
- a supply side attachment means;
- the nipple having an arcuate face, the bore passing through the arcuate face;
- a water distribution portion for distributing water supplied through the nipple; and - sealing means for sealing the coupling parts together so that water entering at the supply side attachment means passes through the bore of the nipple and out through the water distribution portion with little or no leakage.
Thus there may be provided a garden irrigation system coupling for attaching a water distribution nozzle and/or sprinkler to a water conduit leading water thereto from a water supply, the coupling including a nipple having a bore therethrough to permit water to flow from the water supply, the coupling including:
- a supply side attachment means;
- the nipple having an arcuate face, the bore passing through the arcuate face;
- a water distribution portion for distributing water supplied through the nipple; and
- sealing means for sealing the coupling parts together so that water entering at the supply side attachment means passes through the bore of the nipple and out through the water distribution portion with little or no leakage.
The arcuate face may be in the form of a portion of sphere.
The supply side attachment means may include a first supply end configured for attachment to a water supply conduit and a second end configured for co-operation with the nipple's arcuate face to form a flow channel.
The supply side attachment means second end may include a longtitudonally directed annular recess for receiving a seal ring which, in use, faces the arcuate face of the nipple so that the arcuate face seals against the seal. Thus, the sealing means may include one or more seal rings.
The water distribution portion may include a first supply end configured for co-operation with the nipple's arcuate face to form a flow channel and a second distribution end for distributing the water which has passed through the bore in the nipple.
The water distribution portion first supply end may include a longtitudonally directed annular recess for receiving a seal ring which, in use, faces the arcuate face of the nipple so that the arcuate face seals against the seal.
The second distribution end may be in the form of a bush configured for receiving an irrigation nozzle and/or sprinkler.
The bush may be a screw threaded bush.
The second distribution end may be in the form a nipple configured for attachment to an irrigation nozzle and/or sprinkler.
The nipple may be screw threaded for securing to a complementary screw threaded bush of the nozzle and/or sprinkler.
The coupling may be in the form of a ball and socket joint wherein the ball portion has a bore therethrough for permitting water to flow, the socket portion including the sealing means so that portions of the ball portion around the bore seal against the sealing means to form a watertight coupling.
The socket portion may be in the form of a bush, the sealing means being located within the bore of the bush, a screw thread provided on an outer surface of the bush.
The ball portion may include a tubular portion extending away from the arcuate surface.
A nut may be provided whereby the arcuate face of the ball portion is interposed between the nut and sealing means in the bore of the bush and the arcuate face of the ball portion is urged into a sealing relationship with the sealing means by the fastening of the nut to the bush.
The nut may have a tapered inner bore having a reducing inner diameter thereby to capture the arcuate face of the nipple within the nut's inner bore and facilitate urging the arcuate face towards the sealing means as the nut is fastened to the bush.
The coupling may be made from a plastics material.
At least a portion of the arcuate face may be of a resiliency deformable material.
The resiliently deformable material may be an elastomeric material. The resiliently deformable material may be a seal material whereby the arcuate face engages a facing surface to effect a watertight seal to permit water to flow through the bore.
The invention extends to a sprinkler head for a garden irrigation system, said sprinkler head including connection means for connecting the sprinkler head to a water supply conduit of the garden irrigation system, said connection means including an arcuate face which permits the sprinkler head to be displaced through a volume defining a cone.
The connection means may be in the form of a part of a ball and socket joint having a bore therethrough for water to flow, said part of the ball and socket joint configured to co-operate with a complementary part of the ball and socket joint on the water supply conduit thereby to connect the sprinkler head to the water supply conduit while permitting for angular manipulation of the sprinkler head.
The connection means including sealing means for sealing the water flow path between the water supply conduit to the sprinkler head.
The sealing means may include a seal portion on the arcuate face of the sprinkler head which seal portion co-operates with a complementary portion on the water supply conduit to form a seal.
A securing means is provided to draw the arcuate face towards the water supply conduit thereby to compress the seal means and to secure the sprinkler head to the water supply conduit while permitting manipulation of the angular positioning of the sprinkler head relative to the water supply conduit and/or the surrounding garden to be irrigated.
The securing means may be in the form of a nut having a tapered inner surface with abuts a portion of the arcuate face distal the bore.
The invention extends to a hose pipe connector, said connector including the operative portion of the coupling as described above adapted for connection to a water supply tap, such as a garden tap, whereby when a laterally directed pulling force is exerted on a hose pipe connected by the hose pipe connector rather than breaking of at the point of connection the connector accommodates this by directing the connector outlet towards the direction of the force.
The hose pipe connector may include a ball-and-socket joint such as that described above.
The hose pipe may include a click-on mechanism comprsing a nipple portion which is secured to a tap and a socket portion which is attached to a hose pipe, the nipple portion clickingly engaging the socket to attach the hose pipe to the tap.
The nipple portion may be the ball of the ball and socket joint.
Alternativley, a ball-and-socket connector may be provided between the tap and the nipple, so that the nipple is attached to a coupling of the invention and not directly onto the tap. Description of Examples of the Invention
The invention will now be described, by way of non-limiting example only, with reference to the accompanying diagrammatic drawings. In the drawings,
Figure 1 shows, in cross-sectional detail, a garden irrigation system coupling of the invention;
Figure 2 shows, in cross-sectional detail, a nipple having a arcuate face of the coupling of Figure 1 ;
Figure 3 shows, in cross-sectional detail, a nut for sealingly securing the nipple of Figure 2;
Figure 4 shows, in cross-sectional detail, a supply side attachment bush of the coupling of Figure 1 ;
Figure 5 shows, in cross-sectional detail, a different embodiment of the coupling of Figure 1 ;
Figure 6 shows, in exploded view, the coupling of Figure 1 ; Figure 7 shows, in exploded view, the coupling of Figure 1 ; and
Figure 8 shows, in side elevation, a sprinkler of the invention.
In the drawings, reference numeral 10 generally indicates a garden irrigation system coupling broadly in accordance with the invention.
The coupling 10 includes a supply side attachment means in the form of a bush 12, a nipple 14 having an arcuate face 16 having a bore 18 passing through the arcuate face 16, a water distribution portion 20 for distributing water supplied through the nipple 14, and sealing means in the form of a seal ring 22 for sealing the coupling 10 parts together so that water entering at the bush 12 passes through the bore 18 of the nipple 14 and out through the water distribution portion 20 with little or no leakage.
The bush 12 includes a first supply end 24 configured for attachment to a water supply conduit (not shown) and a second end 26 configured for co-operation with the nipple's arcuate face 16 to form a flow channel 28.
In the example shown in the Figures, the first supply end 24 is a screw threaded socket 30 configured for screw threadedly securing to a complementarily threaded pipe tail on the water supply conduit (not shown). The second end 26 includes a longtitudonally directed annular recess 32 for receiving the seal ring 22 which, in use, faces the arcuate face 16 of the nipple 14 so that the arcuate face 14 seals against the seal 22.
In the example shown in the drawings the arcuate face 16 of the nipple 14 is in the form of a portion of a sphere.
The nipple 14 includes a distribution end 36 distal the arcuate face 16.
The water distribution portion 20 is the distribution end 36 of the nipple 14 and includes a screw threaded bush 38 configured for receiving an irrigation nozzle and/or sprinkler provided with a complementarily screw threaded pipe tail (not shown).
Thus, the coupling 10 is in the form of a ball-and-socket joint 40 wherein the ball portion 16 has a bore 18 therethrough for permitting water to flow, the socket portion 26 including the seal 22 so that portions of the ball portion 16 around the bore 18 seal against the seal ring 22 to form a watertight coupling 10.
The socket portion 26 is in the form of a bush, the seal ring 22 being located within the annular recess 32 of the bush, a screw thread 42 provided on an outer surface of the bush 26.
The ball portion 16 includes a tubular portion 44 extending rearwardly away from the ball. A nut 46 is provided whereby the arcuate face 16 of the ball portion is interposed between the nut 46 and seal 22 in the recess 32 of the bush 26 and the arcuate face 16 of the ball portion is urged into a sealing relationship with the seal 22 by the fastening of the nut 46 to the screw thread 42 of the bush 26.
The nut 46 has a tapered inner bore 48 having a reducing inner diameter thereby to capture the rearwardly facing portion 50 of the ball 16 of the nipple 14 within the nut's inner bore 48 and facilitate urging the arcuate face 16 towards the seal as the nut 46 is fastened to the screw thread 42 of the bush 26.
The coupling 10 is made from a plastics material.
In Figure 5, the distribution end is in the form of a screw threaded pipe tail 52 rather than a screw threaded socket. This is necessitated to accommodate a smaller sprinkler size.
The inventor believes that it is an advantage of the invention as illustrated that connections to a water supply of a garden irrigation system, be it a buried underground pipe or a water tap, may be manipulated in terms of the plane in which a distribution nozzle is directed so that the angle of the distribution nozzle is adjustable relative either to the water supply or to the ground to be irrigated which is not possible at present.
Furthermore, adjustments may be made on an ongoing basis merely by manipulating the coupling without a need to dig up water supply piping.

Claims

Claims
1. A garden irrigation system coupling for attaching a water distribution nozzle and/or sprinkler to a water conduit leading water thereto from a water supply, the coupling including a nipple having a bore therethrough to permit water to flow from the water supply, said nipple being displaceable in at least two planes.
2. A coupling as claimed in claim 1 , wherein the nipple is displaceable within a volume describing a conical segment of a sphere.
3. A coupling as claimed in claim 1 or claim 2, wherein the coupling includes:
- a supply side attachment means;
- the nipple having an arcuate face, the bore passing through the arcuate face;
- a water distribution portion for distributing water supplied through the nipple; and
- sealing means for sealing the coupling parts together so that water entering at the supply side attachment means passes through the bore of the nipple and out through the water distribution portion with little or no leakage.
4. A coupling as claimed in claim 3, wherein the arcuate face is in the form of a portion of sphere.
5. A coupling as claimed in claim 3 or claim 4, wherein the supply side attachment means includes a first supply end configured for attachment to a water supply conduit and a second end configured for co-operation with the nipple's arcuate face to form a flow channel.
6. A coupling as claimed in claim 5, wherein the supply side attachment means second end includes a longtitudonally directed annular recess for receiving a seal ring which, in use, faces the arcuate face of the nipple so that the arcuate face seals against the seal.
7. A coupling as claimed in any one of claims 3 to 6, wherein the sealing means includes one or more seal rings.
8. A coupling as claimed in any one of claims 3 to 7, wherein the water distribution portion includes a first supply end configured for co-operation with the nipple's arcuate face to form a flow channel and a second distribution end for distributing the water which has passed through the bore in the nipple.
9. A coupling as claimed in claim 8, wherein the water distribution portion first supply end includes a longtitudonally directed annular recess for receiving a seal ring which, in use, faces the arcuate face of the nipple so that the arcuate face seals against the seal.
10. A coupling as claimed in claim 8 or claim 9, wherein the second distribution end is in the form of a bush configured for receiving an irrigation nozzle and/or sprinkler.
11. A coupling as claimed in claim 10, wherein the bush is a screw threaded bush.
12. A coupling as claimed in claim 10 or claim 11 , wherein the second distribution end is in the form a nipple configured for attachment to an irrigation nozzle and/or sprinkler.
13. A coupling as claimed in any one of claims 10 to 12, wherein the nipple is screw threaded for securing to a complementary screw threaded bush of the nozzle and/or sprinkler.
14. A coupling as claimed in any one of the preceding claims, wherein the coupling is in the form of a ball and socket joint wherein the ball portion has a bore therethrough for permitting water to flow, the socket portion including the sealing means so that portions of the ball portion around the bore seal against the sealing means to form a watertight coupling.
15. A coupling as claimed in claim 14, wherein the socket portion is in the form of a bush, the sealing means being located within the bore of the bush, a screw thread provided on an outer surface of the bush.
16. A coupling as claimed in claim 14 or claim 15, wherein the ball portion includes a tubular portion extending away from the arcuate surface.
17. A coupling as claimed in any one of claims 14 to 16, wherein a nut is provided whereby the arcuate face of the ball portion is interposed between the nut and sealing means in the bore of the bush and the arcuate face of the ball portion is urged into a sealing relationship with the sealing means by the fastening of the nut to the bush.
18.A coupling as claimed in claim 17, wherein the nut has a tapered inner bore having a reducing inner diameter thereby to capture the arcuate face of the nipple within the nut's inner bore and facilitate urging the arcuate face towards the sealing means as the nut is fastened to the bush.
19. A coupling as claimed in any one of the preceding claims, which coupling is made from a plastics material.
20. A coupling as claimed in any one of claims 3 to 19, wherein at least a portion of the arcuate face is made of a resiliently deformable material.
21. A coupling as claimed in claim 20, wherein the resiliently deformable material is an elastomeric material.
22.A coupling as claimed in claim 21 , wherein the resiliently deformable material is seal material whereby the arcuate face engages a facing surface to effect a watertight seal to permit water to flow through the bore.
23.A sprinkler head for a garden irrigation system, said sprinkler head including connection means for connecting the sprinkler head to a water supply conduit of the garden irrigation system, said connection means including an arcuate face which permits the sprinkler head to be displaced through a volume defining a cone.
24.A sprinkler head as claimed in claim 23, wherein the connection means is in the form of a part of a ball and socket joint having a bore therethrough for water to flow, said part of the ball and socket joint configured to co-operate with a complementary part of the ball and socket joint on the water supply conduit thereby to connect the sprinkler head to the water supply conduit while permitting for angular manipulation of the sprinkler head.
25.A sprinkler head as claimed in claim 24, wherein the connection means includes sealing means for sealing the water flow path between the water supply conduit to the sprinkler head.
26.A sprinkler head as claimed in claim 25, wherein the sealing means includes a seal portion on the arcuate face of the sprinkler head which seal portion cooperates with a complementary portion on the water supply conduit to form a seal.
27.A sprinkler head as claimed in any one of claims 23 to 26, wherein a securing means is provided to draw the arcuate face towards the water supply conduit thereby to compress the seal means and to secure the sprinkler head to the water supply conduit while permitting manipulation of the angular positioning of the sprinkler head relative to the water supply conduit and/or the surrounding garden to be irrigated.
28.A sprinkler head as claimed in claim 27, wherein the securing means is in the form of a nut having a tapered inner surface with abuts a portion of the arcuate face distal the bore.
29.A hose pipe connector, said connector including the operative portion of the coupling as claimed in any one of claims 1 to 22, adapted for connection to a water supply tap, such as a garden tap, whereby when a laterally directed pulling force is exerted on a hose pipe connected by the hose pipe connector rather than breaking of at the point of connection the connector accommodates this by directing the connector outlet towards the direction of the force.
30. A hose pipe connector as claimed in claim 29, which includes a click-on mechanism comprsing a nipple portion which is secured to a tap and a socket portion which is attached to a hose pipe, the nipple portion clickingly engaging the socket to attach the hose pipe to the tap.
31.A hose pipe connector as claimed in claim 30, wherein the nipple portion is a ball portion of a ball and socket joint.
32.A hose pipe connector as claimed in claim 29, wherein a ball-and-socket connector is provided between the tap and the nipple, so that the nipple is attached to a coupling of the invention and not directly onto the tap.
33.A coupling as claimed in claim 1 , substantially as herein described and illustrated.
34.A sprinkler head as claimed in claim 23, substantially as herein described and illustrated.
35.A hose pipe connector as claimed in claim 29, substantially as herein described and illustrated.
36.A new coupling, a new sprinkler head, or a new hose pipe connector substantially as herein described.
PCT/ZA2006/000139 2006-11-30 2006-11-30 Garden irrigation system coupling WO2008067569A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/ZA2006/000139 WO2008067569A1 (en) 2006-11-30 2006-11-30 Garden irrigation system coupling
ZA200903930A ZA200903930B (en) 2006-11-30 2009-06-05 Garden irrigation system coupling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ZA2006/000139 WO2008067569A1 (en) 2006-11-30 2006-11-30 Garden irrigation system coupling

Publications (1)

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WO2008067569A1 true WO2008067569A1 (en) 2008-06-05

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010010500U1 (en) 2010-07-26 2010-10-28 Silag Handel Ag Hose connection with coupling and water stop
WO2011127595A1 (en) * 2010-04-14 2011-10-20 Ipex Technologies Inc. Sprinkler heads and adapter assemblies for connecting the same to a pipe
DE102010031872A1 (en) 2010-07-21 2012-01-26 Silag Handel Ag Connector for connecting hose with coupling and water stop part for water technology application in e.g. home environment, has clamping device fixing hose in axial direction, where stop part is layer-fairly and made captive to screw
JP2015013202A (en) * 2014-09-17 2015-01-22 ホーチキ株式会社 Tunnel emergency facility
TWI499735B (en) * 2012-11-23 2015-09-11

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791585A (en) * 1972-10-17 1974-02-12 T Warren Adjustable pattern water sprinkler system
CA1111087A (en) * 1978-10-30 1981-10-20 Robert A. Veillette Low volume flow shower head
US5294054A (en) * 1992-05-22 1994-03-15 Benedict Engineering Company, Inc. Adjustable showerhead assemblies
US20050263619A1 (en) * 2004-05-25 2005-12-01 Chin-Tsai Lee Shower head assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791585A (en) * 1972-10-17 1974-02-12 T Warren Adjustable pattern water sprinkler system
CA1111087A (en) * 1978-10-30 1981-10-20 Robert A. Veillette Low volume flow shower head
US5294054A (en) * 1992-05-22 1994-03-15 Benedict Engineering Company, Inc. Adjustable showerhead assemblies
US20050263619A1 (en) * 2004-05-25 2005-12-01 Chin-Tsai Lee Shower head assembly

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011127595A1 (en) * 2010-04-14 2011-10-20 Ipex Technologies Inc. Sprinkler heads and adapter assemblies for connecting the same to a pipe
DE102010031872A1 (en) 2010-07-21 2012-01-26 Silag Handel Ag Connector for connecting hose with coupling and water stop part for water technology application in e.g. home environment, has clamping device fixing hose in axial direction, where stop part is layer-fairly and made captive to screw
DE202010010500U1 (en) 2010-07-26 2010-10-28 Silag Handel Ag Hose connection with coupling and water stop
EP2410228A2 (en) 2010-07-26 2012-01-25 Silag Handel AG Tube connection with coupling and water stop
TWI499735B (en) * 2012-11-23 2015-09-11
JP2015013202A (en) * 2014-09-17 2015-01-22 ホーチキ株式会社 Tunnel emergency facility

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