AU2016208400B2

AU2016208400B2 - A waste water trap conduit assembly

Info

Publication number: AU2016208400B2
Application number: AU2016208400A
Authority: AU
Inventors: Andrew Deane Hendry; Jeff La Hay; Andrew Tunley
Original assignee: Dux Industries Ltd
Current assignee: Dux Industries Ltd
Priority date: 2015-07-30
Filing date: 2016-07-29
Publication date: 2019-10-24
Anticipated expiration: 2036-07-29
Also published as: AU2016208400A1

Abstract

A curved waste water trap conduit assembly comprising a waste water conduit inlet for connection to a plumbing fixture and a waste water conduit outlet for connection to a building waste pipe, and a flexible conduit joint intermediate the inlet and outlet arranged to enable the orientation of the outlet to be varied with respect to the inlet, the outlet to be pivoted in relation to the inlet, and/or relative rotation between the inlet and the outlet. -NX Fig 1

Description

A WASTE WATER TRAP CONDUIT ASSEMBLY

Field

The invention relates to a waste water trap conduit assembly, and particularly but not exclusively to a waste water trap conduit assembly adapted to connect the waste outlet of a plumbing fixture such as a sink or the like with a building waste pipe.

Background

Typically a plumbing fixture such as a sink or the like is connected to a building waste water system via a waste water trap which forms a waste water path between a waste water outlet or drain of the sink or like and a building waste pipe connected to the building waste water system. The waste water trap typically includes a 'U' shaped waste conduit which retains some waste water in use, to prevent gases 15 from the building waste water system from passing through the waste water trap and entering the building.

The building waste pipe may project generally vertically from the floor of the building, or may project generally horizontally, or at an angle of inclination, from a wall of the building.

When plumbing fixtures are installed, particularly in new building projects, the building waste pipe is usually concreted in first and left in an upwards position protruding from a concrete pad for the plumber to subsequently install the plumbing fixture and associated pipework assembly above. A problem with this approach is that when the concrete settles during the curing period, the building 25 waste pipe can move in various directions. This movement can put stress on the subsequently installed plumbing fixture and pipework assembly, or in some cases the plumbing fixture and associated connecting pipework assembly may have to be substantially altered to fit and be installed around the protruding waste pipe. These deviations can affect the seals of any connections in the plumbing system, which may in turn lead to future water leakages, or at least make it difficult to install the 30 plumbing fixture.

NZ260516 of Hansen Developments Limited is concerned with a pipe coupling including two pipe connectors and an intermediate ball and socket type joint which allows for two pipes to be connected to respective pipe connectors of the coupling without the longitudinal axes of the pipes being exactly 35 axially aligned. The disclosed coupling requires there to be a centre nut captive around and against one of the body partsand screwed partly onto the other body part to hold the two body parts together.

Reference to any prior art in this specification is not, and should not be taken as, an acknowledgement or any form of suggestion that that prior art forms part of the common general knowledge in the field of endeavour in any country in the world.

Summary

The present invention may provide an improved waste water trap conduit assembly, a waste water trap conduit assembly which overcomes or at least ameliorates one or more disadvantages of the prior art, or alternatively a waste water trap conduit assembly that at least provides the public with a useful choice.

Further objects of the invention will become apparent from the following description.

According to a first aspect of the invention, there is provided a curved waste water trap conduit assembly comprising: a waste water conduit inlet for connection to a plumbing fixture, a waste water conduit outlet for connection to a building waste pipe, and a flexible conduit joint intermediate the inlet and outlet arranged to enable: the orientation of the outlet to be varied with respect to the inlet, the outlet to be pivoted in relation to the inlet, and/or relative rotation between the inlet and the outlet.

This may enable the orientation of, for example, the outlet, to be adjusted to more easily and accurately connect to the building waste pipe, or the inlet to be adjusted to more easily and accurately connect to the plumbing fixture. Put another way, the orientation of the inlet or outlet may be adjusted to account for misalignment with the building waste pipe.

The at least one waste conduit may comprise first and second waste conduits which are connected together by the flexible joint. The flexible joint may comprise a first joint connector associated or integral with the first waste conduit and a second joint connector associated or integral with the second waste conduit. Each joint connector may comprise a respective arcuate mating surface.

The flexible joint may be arranged to allow enable the orientation of the longitudinal axis of the inlet to be varied up to 20 degrees with respect to the longitudinal axis of the outlet, or up to 10 degrees, or up to 5 degrees, or up to 3.5 degrees with respect to the longitudinal axis of the outlet.

The waste conduit may curve through at least 90 degrees between the inlet and outlet.

The waste conduit may curve through at least 180 degrees between the inlet and outlet.

The conduit assembly may comprise a 'U', or 'ri, or 'S' shaped conduit portion, or any combination of these.

The waste conduit may be curved such that the inlet is adjacent the outlet or remote from the outlet.

The axis of the inlet may be substantially parallel with the axis of the outlet, prior to connection of the conduit assembly to the plumbing fixture and building waste pipe, or inclined from the axis of the outlet, or substantially perpendicular to the axis of the outlet, prior to connection of the conduit assembly to the plumbing fixture and building waste pipe.

The conduit assembly may further comprise an air admittance valve.

The conduit assembly may further comprising a 'U' shaped waste trap.

The flexible joint may be arranged to allow rotational movement of the inlet relative to the outlet, and may be arranged to allow 360° rotational movement of the inlet relative to the other outlet.

The length of the conduit assembly, that is, the distance between the inlet and outlet along the conduit assembly, may adjustable, and may be telescopically adjustable to adjust the length of the conduit assembly.

The external diameter of the inlet and/or outlet may be 32mm or 40mm, depending on the size of the connection to the plumbing fixture and the size of the connection to the building waste pipe.

According to a further aspect of the invention, there is provided a waste water trap assembly comprising the waste water trap conduit assembly of the first aspect of the invention, and a 'U' shaped waste water trap conduit to which the inlet of the conduit assembly is connected or adapted to be connected.

Unless the context clearly requires otherwise, throughout the description and claims the terms comprise, comprising and the like are to be construed in an inclusive sense, as opposed to an exclusive or exhaustive sense. That is, in the sense of including, but not limited to.

To those skilled in the art to which the invention relates, many changes in construction and widely differing embodiments and application of the invention will suggest themselves without departing from the scope of the invention as defined in the appended claims. The disclosures and the descriptions herein are purely illustrative and are not intended to be in any sense limiting.

Further aspects of the invention, which should be considered in all its novel aspects, will become apparent to those skilled in the art upon reading of the following description which provides at least one example of a practical application of the invention.

Brief Description of the Drawings

Embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings in which:

Figures 1A and IB are side and exploded perspective views respectively of a first embodiment of a waste water trap conduit assembly;

Figures 1C and ID are enlarged side and exploded perspective views respectively of part of the first embodiment of the waste water trap assembly;

Figures IE to 1H are sectional side views of the first embodiment of the waste water trap conduit assembly, showing a flexible conduit joint at various different angles;

Figures II and 1J are side views of the first embodiment of the waste water trap assembly, in a vertical and horizontal condition respectively;

Figures 2A and 2B are side and exploded perspective views respectively of a second embodiment of a waste water trap conduit assembly;

Figures 3A and 3B are side and exploded perspective views respectively of a third embodiment of a waste water trap conduit assembly;

Figures 4A and 4B are side and exploded perspective views respectively of a fourth embodiment of a waste water trap conduit assembly;

Figures 5A and 5B are side and exploded perspective views respectively of a fifth embodiment of a waste water trap conduit assembly;

Figures 6A and 6B are side and exploded perspective views respectively of a sixth embodiment of a waste water trap conduit assembly;

Figures 7A and 7B are side and exploded perspective views respectively of a seventh embodiment of a waste water trap conduit assembly;

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Figures 8A and 8B are side and exploded perspective views respectively of a eighth embodiment of a waste water trap conduit assembly;

Figures 9A and 9B are side and exploded perspective views respectively of a ninth embodiment of a waste water trap conduit assembly;

Figures 10A and 10B are side and exploded perspective views respectively of a tenth embodiment of a waste water trap conduit assembly;

Figures 11A and 11B are side and exploded perspective views respectively of a eleventh embodiment of a waste water trap conduit assembly;

Figures 12A and 12B are side and exploded perspective views respectively of a twelfth 10 embodiment of a waste water trap conduit assembly;

Figures 13A and 13B are side and exploded perspective views respectively of a thirteenth embodiment of a waste water trap conduit assembly; and

Figure 14 is a side perspective view of the waste water trap conduit assembly showing the axes of the inlet and the outlet.

Detailed Description

Referring initially to Figures 1A and IB, a waste water trap conduit assembly 1 comprises at least one waste conduit 2 which curves through at least 90 degrees, the conduit assembly 1 having a conduit 20 inlet and conduit outlet 3, 4. The inlet 3 may comprise, or be adapted to be connected to, a pipe connector 5 arranged so that the waste conduit 2 can be directly, or indirectly via a further conduit, connected to a plumbing fixture (not shown) such as a sink or the like. The outlet 4 may comprise, or be adapted to be connected to, a pipe connector 6 arranged so that the waste conduit 2 can be directly, or indirectly via a further conduit, connected to a building waste pipe (not shown). The waste conduit 25 assembly 1 further comprises a flexible joint 7 intermediate the inlet and outlet 3, 4 and arranged to enable the orientation of a longitudinal axis of the inlet 3 to be varied with respect to a longitudinal axis of the outlet 4. This enables the orientation of, for example, the outlet 4, to be adjusted to more easily and accurately connect to the building waste pipe. Put another way, the orientation of, for example the outlet 4, may be adjusted to account for misalignment with the building waste pipe.

The waste water trap conduit assembly 1 may comprise part of, or be adapted to be connected to, a more complete waste water trap assembly 10 comprising a 'U' shaped trap conduit 11 and an inlet conduit 12. The inlet conduit 12 in this example is telescopically length adjustable. The inlet conduit comprises an inlet end 13 comprising a compression type connector 14 for connection to the waste 35 outlet of the plumbing fixture. For example, the inlet conduit 19 may be connected to the waste outlet of a sink, or waste disposal unit. The compression type connector 14 comprises a threaded compression nut 15 which acts against a compressible seal 16 which abuts and expands against a threaded part of the inlet conduit 12 as the nut 15 is tightened.

In this example, further compression type connectors 14 are provided on the length adjustable inlet conduit 12 for connection to the trap conduit 11, on the trap conduit 11 for connection to the inlet 3 of the conduit assembly 1, and on the outlet 4 of the conduit assembly 1 for connection to the building waste pipe.

In this example, and with additional reference to Figures 1C to 1J, the waste water trap conduit assembly 1 comprises a generally 'n' shaped waste conduit 2 having two conduit parts 2A, 2B with the flexible joint 7 being positioned towards the outlet 4. The conduit part 2A comprises a flared end 17 into which the other conduit part 2B is received to form the flexible joint 7.

This example further shows features of the flexible joint 7 being an outer cover ring 7A, an inner split ring 7B, and a sealing ring 7C. The split ring 7B sandwiches the sealing ring 7C against the first conduit part 2A, with tabs on the split ring 7B being received in corresponding slots in the first conduit part 2A. The outer cover ring 7A connects the first and second conduit parts 2A, 2B together, and has a cup like curved inner engagement surface7D that engages curved outer engagement surface 7E of the second conduit part 2B to allow relative movement and/or rotation between the first and second conduit parts 2A, 2B. The curved outer engagement surface 7E is in the form of a curved annular bead or hump extending circumferentially around the second conduit part 2B.

The flexible joint 7 is such that it enables the orientation of the outlet 4 of the assembly 1 to be varied with respect to the inlet 3. More particularly, the flexible joint 7 is such that it enables the angle of the longitudinal axis A of the inlet 3 to be varied with respect to the longitudinal axis B of the outlet 4, or in other words the outlet 4 pivots compared to the inlet 3, as shown in Figure 14. This angle can therefore be varied during installation of the assembly 1 with the plumbing fixture and the building waste pipe to account for any misalignment that may be present. This improves the ease of installation and may also provide a more reliable, less leak prone, connection between the plumbing fixture and the building waste pipe. In one example, with reference to Figure 11, the total range of movement may be around lOdegrees.

The flexible joint 7 is also such that it enables the first part 2A of the waste conduit 2 to be rotated relative to the second part 2B of the waste conduit 2. The flexible joint 7 may be arranged to enable

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360 degree rotation between the first and second parts 2A, 2B and therefore between the inlet and the outlet. This further enhances the ease of installation.

In this example, the assembly 1 comprises conduits of 40mm diameter, and the inlet 3 and outlet 4 are 5 dimensioned to provide a connection with a 40mm trap conduit and a 40mm building waste pipe respectively.

With reference to Figures IE, IF and 11 the flexible joint 7 is configured to enable the outlet conduit 4 to be generally vertical, with the flexible joint 7 enabling adjustment of the angle of the axis of the 10 outlet conduit 4 from a generally vertical orientation. In this configuration the axis of the inlet 3 and the outlet 4 are both generally vertical. In this configuration the total range of adjustment of the longitudinal axis of the outlet conduit 4 may be in the range of around 10 degrees.

With reference to Figures 1G, 1H and 1J the flexible joint 7 is configured to enable the outlet conduit 15 4 to be generally horizontal, with the flexible joint 7 enabling adjustment of the angle of the axis of the outlet conduit 4 from a generally horizontal orientation. In this configuration the axis of the inlet 3 is generally perpendicular to the axis of the outlet 4. In this configuration the range of adjustment of the longitudinal axis of the outlet conduit 4 may be in the range of around 2.5 degrees below horizontal, and a further 6 degrees down from there. The tag on the outer cover ring 7A restricts the movement 20 of second part 2B in the horizontal position or P configuration so that the trap does not go above the horizontal plane and always maintains a gravity drop. The conversion from the vertical orientation to the horizontal configuration is achieved by a 180 degree rotation of the second part 2B.

With reference to Figures 2A and 2B, a waste water trap conduit assembly 20 comprises like features 25 and references to the conduit assembly 1 described above. However, conduit assembly 20 further comprises a reducing bush 21 adapted to be sealing received within the outlet 4 of the assembly 20 to reduce the diameter of the outlet 4 from 40mm to 32mm to enable the assembly 1 to be connected to a 32mm building waste pipe. In this example the inlet tube 12 is fixed in length and not telescoping.

With reference to Figures 3A and 3B, a waste water trap conduit assembly 30 comprises like features and references to the conduit assembly 1 described above. However, conduit assembly 30 further comprises a supplementary inlet tube 31 on the inlet conduit 12. The supplementary inlet tube 31 allows a waste hose from a supplementary device such as a washing machine or dishwasher to be connected to the conduit assembly 30. The supplementary inlet tube 31 may be provided with a 35 sealing cap 32 and o-ring type seal 33 to close the inlet tube 31 when not in use.

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With reference to Figures 4A and 4B, a waste water trap conduit assembly 40 comprises like features and references to the conduit assembly 1 described above. However, conduit assembly 40 further comprises an air admittance valve assembly 41, in this example located on the waste conduit 2. The valve assembly 41 allows air to enter the conduit assembly 40 to minimise or eliminate any negative pressure within the assembly 40. In this example, the reducing bush 21 of the second embodiment is also provided. Further, a 32mm adapter 42 is also provided at the inlet conduit 12 to enable the inlet conduit 12 to be connected to a 32mm waste outlet of the plumbing fixture.

With reference to Figures 5A and 5B, a waste water trap conduit assembly 50 comprises like features and references to the conduit assembly 1 described above. However, conduit assembly 50 further comprises a diameter reducing length adjustable telescopic inlet conduit 31 which provides a 32mm inlet connection with a 32mm waste outlet of the plumbing fixture. In this example, the reducing bush 21 of the second embodiment is also provided.

With reference to Figures 6A and 6B, a waste water trap conduit assembly 60 comprises like features and references to the conduit assembly 1 described above. However, conduit assembly 60 further comprises the reducing bush 21 of the second embodiment and a 32mm adapter 42 is also provided at the telescopic inlet conduit 12 to enable the inlet conduit 12 to be connected to a 32mm waste outlet of the plumbing fixture.

With reference to Figures 7A and 7B, a waste water trap conduit assembly 70 comprises like features and references to the conduit assembly 1 described above. However, conduit assembly 70 further comprises the air admittance valve assembly 41 as per the fourth embodiment.

With reference to Figures 8A and 8B, a waste water trap conduit assembly 80 comprises like features and references to the conduit assembly 1 described above. However, conduit assembly 80 further comprises the air admittance valve assembly 41 as per the fourth embodiment, and the supplementary inlet tube 31 of the third embodiment.

With reference to Figures 9A and 9B, a waste water trap conduit assembly 90 comprises like features and references to the conduit assembly 1 described above. However, conduit assembly 90 further comprises the air admittance valve assembly 41 as per the fourth embodiment.

With reference to Figures 10A and 1OB, a waste water trap conduit assembly 100 comprises like features and references to the conduit assembly 1 described above. However, conduit assembly 100 provides a more compact assembly 100 which occupies less vertical space when assembled. In this example, the inlet conduit 12 is relatively short, and comprises an inlet connector which does not extend vertically past the top of the waste conduit 2.

With reference to Figures 11A and 11B, a waste water trap conduit assembly 110 comprises some like features and references to the conduit assembly 1 described above. In this example, the conduit assembly 110 is provided as a standalone assembly which may be sold separately from the larger trap assembly. Conduit assembly 110 therefore does not comprise trap conduit 11 nor inlet conduit 12, and may therefore be used to connect to an existing trap conduit, as a new or replacement assembly.

This example comprise an air admittance valve assembly 41 as per the fourth embodiment. The valve assembly 41 comprises a vented trap pin 42, an anti-syphon rubber seal 43 which fits over the end of the pin 42, and an anti-syphon cap 43 which sealingly mounts on the valve assembly 41 with a sealing washer 44.

With reference to Figures 12A and 12B, a waste water trap conduit assembly 120 comprises like features and references to the conduit assembly 1 described above. However, conduit assembly 120 further comprises another example of a telescopic inlet conduit 12. In this example. The range of length adjustment is substantially longer than the example of Figure 1, namely around 335-380mm as compared to around 180-260mm.

With reference to Figures 13A and 13B, a waste water trap conduit assembly 130 comprises like features and references to the conduit assembly 1 described above. However, conduit assembly 130 further comprises the diameter reducing telescopic inlet conduit 31 of the third embodiment and the 32mm adapter 42 of the fourth embodiment. Assembly 130 further includes the air admittance valve assembly 41.

The waste water trap conduit assembly 1 may be adapted to be connected to a 'U' shaped trap conduit having an inlet tube, or the waste water trap conduit assembly 1 may itself comprise 'U' shaped trap conduit and inlet tube.

The flexible joint 7 may therefore be located at any position between the conduit connection to the plumbing fixture and the conduit connection to the building waste pipe.

If necessary or desirable, more than one such flexible joint 7 may be provided on a given assembly, to allow greater flexibility/magnitude of adjustment between inlet and outlet.

In the examples illustrated, the axis B of the outlet of the assembly is substantially aligned with the axis of the inlet conduit 12, with both axes being substantially vertical prior to connection to the plumbing fixture and waste pipe. However, the outlet of the assembly can be at any desired angle with respect to the inlet. For example, the axis of the outlet might extend generally horizontally, at about 90 degrees from the assembly, when the axis of the inlet is vertical. The inlet and outlet may therefore be substantially parallel, or substantially perpendicular, or at any desired angle therebetween. This angle maybe determined by the curvatureof the waste conduit 2, or the curvature of the trap conduit 11.

The flexible joint of the conduit assemblies above enable the orientation of the longitudinal axis of the inlet to be varied up to, for example, 20 degrees with respect to the longitudinal axis of the outlet. In one example, the total range of movement when the outlet 4 is a generally vertical orientation is around lOdegrees, whilst the total range of movement when the outlet 4 is in a generally horizontal orientation may be around 8.5 degrees.

The invention may also be said broadly to consist in the parts, elements and features referred to or indicated in the specification of the application, individually or collectively, in any or all combinations of two or more of said parts, elements or features.

Wherein the foregoing description reference has been made to integers or components having known equivalents thereof, those integers are herein incorporated as if individually set forth.

It should be noted that various changes and modifications to the presently preferred embodiments described herein will be apparent to those skilled in the art. Such changes and modifications may be made without departing from the spirit and scope of the invention and without diminishing its attendant advantages. It is therefore intended that such changes and modifications be included within the scope of the invention.

Claims

What we claim is:

1. A curved waste water trap conduit assembly comprising:

a waste water inlet conduit having an inlet for connection to a plumbing fixture, a waste water outlet conduit having an outlet for connection to a building waste pipe, and a flexible conduit joint intermediate the inlet and outlet conduits arranged to enable:

the orientation of the outlet to be varied with respect to the inlet by relative rotation between the inlet and the outlet such that the longitudinal axis of the outlet of the waste water outlet conduit in a first orientation is generally horizontal and in a second orientation is generally vertical, and the outlet to be pivoted in relation to the inlet, wherein the flexible joint includes an outer cover ring having a tag, the tag operable in the first orientation to restrict orientation of the longitudinal axis of the outlet to below generally horizontal to maintain a gravity drop.
2. The conduit assembly of claim 1 wherein the tag is operable to restrict orientation of the longitudinal axis of the outlet in the first orientation to at least about 2.5 degrees below generally horizontal.
3. The conduit assembly of claim 1 wherein the tag is operable to restrict orientation of the longitudinal axis of the outlet in the first orientation to at least about 3.5 degrees below generally horizontal.
4. The conduit assembly of any one of the proceeding claims wherein the waste water inlet conduit and the waste water outlet conduit are connected together by the flexible joint.
5. The conduit assembly of claim 4 wherein the flexible joint comprise a first joint connector associated or integral with the waste water inlet conduit and a second joint connector associated or integral with the waste water outlet conduit.
6. The conduit assembly of claim 5 wherein each joint connector comprises a respective arcuate mating surface.
7. The conduit assembly of any one of the preceding claims wherein in a second orientation the flexible joint is arranged to pivot to enable the orientation of a longitudinal axis of the outlet to be varied up to 20 degrees from the generally vertical orientation.
8. The conduit assembly of any one of claims 1 to 7 wherein in a second orientation the flexible joint is arranged to pivot to enable the orientation of a longitudinal axis of the outlet to be varied up to 10 degrees from the generally vertical orientation.
9. The conduit assembly of any one of claims 1 to 7 wherein in a second orientation the flexible joint is arranged to pivot to enable the orientation of a longitudinal axis of the outlet to be varied up to 5 degrees from the generally vertical orientation.
10. The conduit assembly of any one of claims 1 to 7 wherein the flexible joint is arranged to pivot to enable the orientation of a longitudinal axis of the outlet to be varied upto 3.5 degrees from the generally vertical orientation.
11. The conduit assembly of any one of the preceding claims wherein in a first orientation the flexible joint is arranged to pivot to enable the orientation of the longitudinal axis of the outlet to be varied up to 20 degrees below the restricted orientation.
12. The conduit assembly of any one of claims 1 to 10 wherein in a first orientation the flexible joint is arranged to pivot to enable the orientation of the longitudinal axis of the outlet to be varied up to 10 degrees below the restricted orientation.
13. The conduit assembly of any one of claims 1 to 10 wherein in a first orientation the flexible joint is arranged to pivot to enable the orientation of the longitudinal axis of the outlet to be varied up to 5 degrees below the restricted orientation.
14. The conduit assembly of any one of claims 1 to 10 wherein in a first orientation the flexible joint is arranged to pivot to enable the orientation of the longitudinal axis of the outlet to be varied up to 3.5 degrees below the restricted orientation.
15. The conduit assembly of any one of the preceding claims wherein the conduit assembly curves through at least 90 degrees between the inlet and outlet.
16. The conduit assembly of any one of any one of claims 1 to 10 wherein the conduit assembly curves through about 180 degrees between the inlet and outlet.
17. The conduit assembly of any one of the preceding claims further comprising a shaped conduit portion selected from the group comprising a 'U' shaped conduit portion, an 'n' shaped conduit portion and an 'S' shaped conduit portion.
18. The conduit assembly of any one of the preceding claims where the conduit assembly is curved such that the inlet is adjacent the outlet or where the conduit assembly is curved such that the inlet is remote from the outlet.
19. The conduit assembly of any one of the preceding claims wherein in the second orientation the longitudinal axis of the inlet is substantially parallel with the longitudinal axis of the outlet, prior to connection of the conduit assembly to the plumbing fixture and building waste pipe.
20. The conduit assembly of any one of claims 1 to 18 wherein in the first orientation the longitudinal axis of the inlet is inclined from the longitudinal axis of the outlet, prior to connection of the conduit assembly to the plumbing fixture and building waste pipe.
21. The conduit assembly of any one of claims 1 to 18 wherein in the first orientation the longitudinal axis of the inlet is substantially perpendicular to the longitudinal axis of the outlet, prior to connection of the conduit assembly to the plumbing fixture and building waste pipe.
22. The conduit assembly of any one of the preceding claims wherein the flexible joint is arranged to allow 360° rotational movement of the inlet relative to the outlet.
23. The conduit assembly of any one of the preceding claims wherein the distance between the inlet and outlet is adjustable.
24. The conduit assembly of claim 23 wherein at least part of the conduit assembly is telescopically adjustable to adjust the distance.
25. The conduit assembly of any one of the preceding claims wherein the external diameter of the inlet and/or outlet is 32mm or 40mm.
26. The conduit assembly of any one of the preceding claims when used with a plumbing fixture having a waste water outlet with a substantially vertical longitudinal axis the longitudinal axis of the outlet of the waste water outlet conduit in the first orientation is substantially horizontal and in the second orientation is substantially vertical.

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27. A waste water trap assembly comprising the waste water trap conduit assembly of any one of the previous claims, and a 'U' shaped waste water trap conduit to which the inlet of the conduit assembly is connected or adapted to be connected.