EP0537896A1 - Garniture d'écoulement pour éviers multiples - Google Patents

Garniture d'écoulement pour éviers multiples Download PDF

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Publication number
EP0537896A1
EP0537896A1 EP92308255A EP92308255A EP0537896A1 EP 0537896 A1 EP0537896 A1 EP 0537896A1 EP 92308255 A EP92308255 A EP 92308255A EP 92308255 A EP92308255 A EP 92308255A EP 0537896 A1 EP0537896 A1 EP 0537896A1
Authority
EP
European Patent Office
Prior art keywords
inlets
unit
inlet
fitting according
top side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP92308255A
Other languages
German (de)
English (en)
Other versions
EP0537896B1 (fr
Inventor
Alan Somerfield
Peter Booth
Alexis Hammer
Jayesh Lad
Robert Parker
Darren Virgil Webb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polypipe Terrain Ltd
Original Assignee
Caradon Terrain 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 Caradon Terrain Ltd filed Critical Caradon Terrain Ltd
Publication of EP0537896A1 publication Critical patent/EP0537896A1/fr
Application granted granted Critical
Publication of EP0537896B1 publication Critical patent/EP0537896B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/20—Connecting baths or bidets to the wastepipe

Definitions

  • This invention relates to a multi-sink waste fitting, that is to a fitting adapted for connection to the drain outlet of each basin of a multiple sink assembly, for example standard 1.5 bowl or 2 bowl assemblies for kitchens.
  • the invention provides a universal multi-sink waste fitting comprising a one-piece elongate unit having on its underside a common sump outlet communicating with four inlets on its top side, three of which are aligned on a longitudinal axis of the unit and one of which is offset transversely from this axis.
  • the unit fits beneath the multi-sink assembly with an inlet aligned with each sink drain outlet, avoiding the need for extra plumbing.
  • the transversely offset inlet is adjacent the middle one of the other three inlets on the top side.
  • two of the inlets are at respective ends of the top side of the unit, and preferably are equally spaced from the middle one; in this case, it is preferred that the transversely-offset inlet is rather nearer one end inlet than the other end inlet.
  • At least one inlet is annular and is mounted eccentrically for rotational adjustment about a vertical axis in a respective sealed trap of larger diameter in the top side of the unit, so that the precise horizontal position of its centre is correspondingly adjustable.
  • the elongate unit preferably has a floor which slopes downwardly towards the common sump, which conveniently is positioned in a central portion of the unit.
  • the unit is preferably broader in the middle than at each end, to accommodate the transversely-offset inlet; preferably, the inlets lie in a common horizontal plane, allowing the top side to be generally flat, but this is not essential.
  • a major advantage of the invention is its ease of manufacture, preferably from plastics material.
  • the one-piece unit may be formed integrally as a blow moulding, or it may be moulded or cast in two halves, for example. Although in some cases all four inlets would be used, it is usual to use only two or three, corresponding to the number of sinks. Thus a plug or plugs would normally be provided for the inlet or inlets which are to be blanked off.
  • the waste fitting could be provided with such plugs and other fittings such as seals as a kit of parts, with instructions on which combination of inlets to use for each type of multi-sink assembly likely to be encountered.
  • a standard 1.5 bowl kitchen sink assembly consists of one large bowl and one small bowl, and in the example shown in Figure 1 there is also a waste disposal unit which effectively forms part of the multi-sink assembly.
  • the three drain outlets are plumbed using conventional plastics piping and joints to unite at an outlet.
  • This arrangement is shown schematically in plan view in Figure 4a, in which the conventional piping and joints have been replaced by a one-piece waste unit, which will now be described with reference to Figures 2a and 2b.
  • the universal multi-sink waste fitting 10 is an elongate unitary plastics moulding with a transverse projection 11 from a major elongate portion 12 defining a longitudinal axis.
  • the unit 10 is hollow and watertight, with a flat upper side 20 on which are provided four inlets 13,14,15,16. Side walls of the unit 10 communicate with a part-conical shaped floor which slopes downwardly to a centrally-disposed sump outlet 17.
  • Auxiliary connections 18 and 19 are provided at respective ends of the unit 10, as shown in Figure 2b, for example for connection to a washing machine or dishwasher.
  • a fourth inlet 14 is offset transversely from the longitudinal axis, and is disposed rather nearer to one end inlet 13 than to the other end inlet 16.
  • the spacing of the offset inlet 14 from the furthest other inlet 16 is l4, which is different from l2 (and l3), and is also different from the spacing between the end inlets 13 and 16, which is l1. It is this variety of separations of the four inlets, together with the geometric arrangement, which provides for the universality of its fitting to the waste outlets of multi-sink assemblies, as illustrated in Figures 4a to 4h, and described in greater detail below.
  • the waste unit 10 is intended to be placed directly below a multi-sink assembly, so that each waste outlet of the multi-sink assembly is aligned precisely in the vertical direction with a corresponding inlet 13, 14, 15 or 16. With this vertical alignment, no pipework is required, simply an appropriate seal.
  • inlets 14 and 15 have a bellows arrangement 201,202 respectively, which accommodates a range of heights for the inlets.
  • An alternative, advantageous arrangement is one in which the end inlets 13 and 16 are also provided with bellows.
  • the two innermost inlets 14 and 15 are arranged as shown in greater detail in Figures 3a and 3b.
  • An inlet 24 sits rotatably in a circular trap opening 21 formed in a raised circular portion of the top side 20 of the waste unit 10.
  • a toroidal seal 22 allows for this rotational movement of the inlet 24 while ensuring a watertight seal.
  • An annular extension 25 of smaller diameter is mounted eccentrically over the inlet 24, and is adapted for fitting to the sink waste outlet. By rotating the inlet 24, the axis of the extension piece 25 moves in a circular locus with a radius 23 defining the eccentric offset. In this way, the effective axis of the inlet 14 or 15 is adjustable in a horizontal plane.
  • the eccentric adjustment allows the separation l2 or l3 to be varied between 215mm and 222mm; and the separation l4 to vary between 278mm and 279mm.
  • the inlets 14 and 15, defined by the upper annular surface of the extension piece 25, lie about 55mm above the flat top side 20 of the waste unit 10.
  • the main body of the waste unit 10 should be rigid, but adjustability of the distances l1 to l4 may alternatively be provided by bellows arrangements 203,204 shown schematically in Figs. 2a and 2b between the end portions and the middle portion of the elongate unit.
  • the waste outlets of a standard 1.5 bowl assembly are joined to inlets 15 and 16 spaced by 215mm, and optionally a waste disposal unit is connected to the other end inlet 13.
  • the elevation of Figure 4b shows the heights of the bowls to be 180mm and 125mm, and the difference in height is accommodated by the waste unit 10, optionally with an extension piece 40, but preferably by extending the bellows 202.
  • a different 1.5 bowl assembly requires the larger spacing of 279mm between the waste outlets, and this is accommodated using the distance l4 between inlets 14 and 16.
  • the elevation shows the bowl heights to be 180mm and 150mm.
  • the waste unit can be fitted in any way, since only one outlet from the basin is connected.
  • FIGS. 4g and 4h are of circular multi-sink units, and separations between waste outlets of 222mm and 434mm respectively are accommodated by the separations l2 between inlets 15 and 16 and l1 between the end inlets 13 and 16 respectively.
  • FIG. 5 A second embodiment of the invention is shown in Figures 5 to 8, in which the primed reference numerals denote parts corresponding to those of the first embodiment denoted by the same numerals. Only the important differences will be described: the waste fitting is made and is used in much the same way.
  • the end inlets 13',16' and the offset inlet 14' are identical, each defining a circular opening and receiving therein an inlet unit 141 ( Figure 8) having a triple-limbed trap for large solids.
  • the horizontal position of the inlet unit is capable of fine adjustment by rotating it about an 'O'-ring seal 143 in the circular trap opening 142, by virtue of the eccentricity of the inlet unit 141 relative to the axis of the opening 142.
  • the outlet tube 171 of the integrally-moulded waste unit 20 is moulded with annular formations 176 ( Figure 8) adapted to receive and sealingly retain a bottle trap waste outlet unit 17', shown in Figures 6 and 7, using an 'O' ring seal 174 held between the two lowest annular formations 176.
  • the outlet unit 17' has an upper moulding 175 including a side outlet 173, and is a resilient push snap fit over the outlet tube 171.
  • a removable cup-shaped base unit 172 is a screw fit on to the upper moulding 175.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sink And Installation For Waste Water (AREA)
EP19920308255 1991-09-13 1992-09-10 Garniture d'écoulement pour éviers multiples Expired - Lifetime EP0537896B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9119541 1991-09-13
GB9119541A GB2259646B (en) 1991-09-13 1991-09-13 Multi-sink waste fitting

Publications (2)

Publication Number Publication Date
EP0537896A1 true EP0537896A1 (fr) 1993-04-21
EP0537896B1 EP0537896B1 (fr) 1995-12-27

Family

ID=10701330

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920308255 Expired - Lifetime EP0537896B1 (fr) 1991-09-13 1992-09-10 Garniture d'écoulement pour éviers multiples

Country Status (3)

Country Link
EP (1) EP0537896B1 (fr)
DE (1) DE69207141D1 (fr)
GB (1) GB2259646B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11105077B1 (en) 2015-11-18 2021-08-31 Vista Water Group, Llc Water drain management apparatus used with autoclaves, sterilizers or other devices in a clinical facility
US11105076B1 (en) 2015-11-18 2021-08-31 Vista Water Group, Llc Water drain management apparatus used with autoclaves, sterilizers or other devices in a clinical facility
US11479953B1 (en) 2020-05-19 2022-10-25 Vista Water Group, Llc Anti-backflow plumbing fitting
US11492789B1 (en) 2015-11-18 2022-11-08 Vista Water Group, Llc Fluid collector for receiving fluids of different densities and providing heat exchange

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU41679A1 (fr) * 1961-05-12 1962-07-09
GB1220876A (en) * 1967-02-06 1971-01-27 Monique Legg A down pipe construction
EP0146942A2 (fr) * 1983-12-28 1985-07-03 Oy Uponor Ab Raccordement de tuyau étanche entre les bouches d'évier et le tuyau de drainage
DE3911499A1 (de) * 1989-04-08 1990-10-11 Scheffer Franz Armaturen Ablaufarmatur fuer spueltische oder dergleichen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU41679A1 (fr) * 1961-05-12 1962-07-09
GB1220876A (en) * 1967-02-06 1971-01-27 Monique Legg A down pipe construction
EP0146942A2 (fr) * 1983-12-28 1985-07-03 Oy Uponor Ab Raccordement de tuyau étanche entre les bouches d'évier et le tuyau de drainage
DE3911499A1 (de) * 1989-04-08 1990-10-11 Scheffer Franz Armaturen Ablaufarmatur fuer spueltische oder dergleichen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11105077B1 (en) 2015-11-18 2021-08-31 Vista Water Group, Llc Water drain management apparatus used with autoclaves, sterilizers or other devices in a clinical facility
US11105076B1 (en) 2015-11-18 2021-08-31 Vista Water Group, Llc Water drain management apparatus used with autoclaves, sterilizers or other devices in a clinical facility
US11492789B1 (en) 2015-11-18 2022-11-08 Vista Water Group, Llc Fluid collector for receiving fluids of different densities and providing heat exchange
US11479953B1 (en) 2020-05-19 2022-10-25 Vista Water Group, Llc Anti-backflow plumbing fitting

Also Published As

Publication number Publication date
GB9119541D0 (en) 1991-10-23
EP0537896B1 (fr) 1995-12-27
DE69207141D1 (de) 1996-02-08
GB2259646A (en) 1993-03-24
GB2259646B (en) 1995-04-05

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