EP0473361A2 - Ablaufabdeckung - Google Patents

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Publication number
EP0473361A2
EP0473361A2 EP91307720A EP91307720A EP0473361A2 EP 0473361 A2 EP0473361 A2 EP 0473361A2 EP 91307720 A EP91307720 A EP 91307720A EP 91307720 A EP91307720 A EP 91307720A EP 0473361 A2 EP0473361 A2 EP 0473361A2
Authority
EP
European Patent Office
Prior art keywords
drain
opening
guard
fingers
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP91307720A
Other languages
English (en)
French (fr)
Other versions
EP0473361A3 (en
Inventor
Frank Edward Bolton
Peter Viner
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.)
Yildrim Deborah Jane
Original Assignee
Yildrim Deborah Jane
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 Yildrim Deborah Jane filed Critical Yildrim Deborah Jane
Publication of EP0473361A2 publication Critical patent/EP0473361A2/de
Publication of EP0473361A3 publication Critical patent/EP0473361A3/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings

Definitions

  • the invention relates to drain guards for covering openings to drains.
  • Typical domestic plumbing arrangements for rainwater and waste water from kitchens, baths and washbasins incorporate a rectangular sump or gulley at ground level from which a drain leads away to a sewer or a soak-away.
  • a grid is provided at the bottom of the gulley to tend to prevent leaves and other debris from being washed down into the drain. The leaves etc can block the entrance to the drain or in conjunction with other material can rot and cause odours.
  • Cats and other pets also have access to these gulleys which can be detrimental to their health if they drink from them.
  • a drain pipe normally leads down vertically into the gulley.
  • Other pipes generally of smaller diameter, from sinks, washing machines etc can feed in to the gulley from an angle.
  • Simple covers may be no more than flat timber boards with openings for drain pipes.
  • More sophisticated covers in the form of plastics mouldings with a main generally horizontal main cover panel and generally vertical sides are also known.
  • the main cover panel may be set at an angle which tends to help leaves etc to fall off it and may be provided with vents to facilitate drying out of the gulley when it is not in use in the interests of improved hygiene.
  • This known drain guard comprises a main cover panel incorporating a ventilation region and also incorporating a separate weakened area to facilitate removal of part of the cover to provide access for a pipe.
  • the weakened area is provided by a single set of parallel slots dividing the cover into sections but leaving a continuous cover surface between sections except where sections are removed for access of a drain pipe.
  • An object of the invention is to provide a drain cover which can adapted in a simple manner to fit into a particular drain gulley.
  • the invention is concerned with a drain guard for covering the drain opening into which a pipe discharges, the guard comprising a main cover panel incorporating an opening for receiving a drain pipe.
  • the guard is characterised in that this opening is at least partially closed by two sets of mutually spaced fingers directed towards each other across the opening which fingers can be trimmed selectively to provide the required shape and size of opening for the pipe.
  • Each set of fingers may be pivoted as a set at the edge of the opening, preferably by an integral hinge, to facilitate folding back of the fingers and subsequent trimming of the fingers to the required length. After fitting, the spaces between remaining fingers form a ventilation grill for the drain guard.
  • the drain guard may incorporate side panels formed integrally with the main cover panel and joined to it by integral hinges whereby the side panels can be folded between a position parallel to the main panel and a position substantially perpendicular thereto, and means for securing the side panels in said position substantially perpendicular to the main cover panel to form a box like structure.
  • the drain guard as shown in Figure 1 comprises a generally rectangular main cover panel 11. This cover panel is near to horizontal but is inclined slightly downward to its front edge 12.
  • the panel is generally flat but incorporates a slightly curved and raised centre section 13 joined by transition regions 14 to flat outer sections.
  • the guard also incorporates four substantially vertical edge panels, namely the front panel 15, right side panel 16, left side panel 16A and rear panel 18. Integral feet 17 are provided to raise the edge panels slightly above a base on which they may rest.
  • the guard In use it is intended that the guard should cover the sump or gulley of a drain system with the feet 17 resting on the tops of the walls surrounding the gulley and with the rear panel 18 close up against a wall behind the gulley. In such an installation, it is typical for a vertical drainpipe to lead down into the gulley. The drainpipe clearly requires access through the main cover panel of the drain guard.
  • a facility for access of a drainpipe is provided by two series 19 and 21 of mutually parallel inwardly directed fingers.
  • Each set of fingers projects from its own common root portion 22 or 23 which is hinged along its respective hinge line 24, 25 to the panel 11.
  • the whole drain guard is a plastics moulding as will be explained subsequently and the hinge lines 24 and 25 are formed as reduced thickness regions as illustrated in Figures 2 and 4 constituting what are known as live hinges.
  • molecules of the material tend to align themselves with the axis of the hinge as the hinge is operated, thus improving the facility for operation of the hinge and also avoiding breakage at the hinge.
  • the two sets of fingers are folded up to a substantially vertical position. There is no central part for the rear panel 18 as will be explained subsequently so bending up the fingers leaves clear access from the rear to the region which these fingers had occupied in Figure 1.
  • the complete drain guard is installed in its required position over a gulley.
  • the fingers can then be folded against the drainpipe and the drainpipe can be used as a guide to the extent that fingers need to be shortened to enable the sets of fingers to be folded down again.
  • the lengths of selected fingers are trimmed by cutting them short as required so that this folding down can take place leaving an opening of the required shape and size for the pipe. It may even be possible to fold the fingers down, leaving their end portions deflected upward by the drainpipe and then cut them off at the bend.
  • a tool such as a knife or heavy duty scissors or snips may be used to cut the plastics material. If secure closure and fixing is deemed more important than ready access, lugs 26 and 27 on sections behind the fingers 19 and 21 may be joined together by a nut and bolt or by some form of plastics clip. Similarly, side lugs 28 (only one of which is shown) may if desired be screwed to a wall by means of a screw 29.
  • the guard is assembled from a single plastics moulding details of which are shown in the right-hand half of Figure 2.
  • the left-hand half of Figure 2 shows the guard after it has been assembled into the form shown in Figure 1.
  • the guard is moulded as a substantially flat product, but with some degree of curvature and variation in depth, for example as provided by the central domed section 13.
  • the front, right, left and rear panels are moulded in the same general plane as the main panel 11. These panels are partially separated from the main panel by reduced thickness regions or hinge lines such as 31, 32 and 33. All four edge panels can be folded down broadly at right angles to the main panel but more specifically the front and rear panels are arranged to be vertical when the main panel adopts its normal slightly inclined position. In their corner regions, the panels are reinforced and incorporate cooperating lugs and apertures for interlocking them together.
  • Figure 3 shows more details of the front left corner, namely the corner joining the front panel 15 and the left panel 16 together.
  • the front panel 15 has a thickened and thus strengthened edge at its end and this edge carries a hook-like projection 34.
  • the projection 34 can engage in an aperture 35 in the right panel 16.
  • This aperture 35 is incorporated in a thickened end portion 36.
  • the aperture 35 may incorporate a step (not shown) intended to cooperate with the hook arrangement on the projection 34 to ensure a strong interconnection which can not readily be broken.
  • the front panel 15 is folded down about its hinge line 33 to a vertical position and the right panel 16 is similarly folded down. Recess 35 engages around the hook shaped projection 34 and the projection becomes locked into the recess.
  • the other front corner, namely that joining the front panel 15 and the left panel 16A corresponds to that shown in Figure 3.
  • FIG 4. This shows how the rear panel 18 is incomplete across its central region and as previously explained does not interfere with the opening for a drainpipe.
  • the rear panel 18 is first folded down to the position shown.
  • the right panel 15 is then similarly folded down until a projection 37 from the panel 18 passes into and through an aperture 38 in the panel 15.
  • Projection 37 has a relatively narrow inner portion but terminates in a wider and heavier outer region. The step between the inner and outer regions engages a face of the panel 15 and tends to hold it locked in position.
  • the outer part of projection 37 also serves as the lug 28 as shown in Figure 1 for reception of a screw 29 for holding the guard against a wall in a permanent manner should this be required.
  • the resulting product is thus simple to mould, can simply be folded into a small space for transportation or storage and can be assembled very simply for use as a drain guard. Any cutting necessary to fit the guard around a drainpipe can also be conducted in a simple manner.
  • Some drain installations have small pipes leading to the drain gulley at a near horizontal angle as well as the vertical drainpipe. To accommodate these, it is acceptable to cut a D-shaped notch or a circle in one of the side panels for passage of that pipe.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Housing For Livestock And Birds (AREA)
EP19910307720 1990-08-30 1991-08-22 Drain guard Withdrawn EP0473361A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9018908 1990-08-30
GB909018908A GB9018908D0 (en) 1990-08-30 1990-08-30 Drain guard

Publications (2)

Publication Number Publication Date
EP0473361A2 true EP0473361A2 (de) 1992-03-04
EP0473361A3 EP0473361A3 (en) 1992-06-03

Family

ID=10681371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910307720 Withdrawn EP0473361A3 (en) 1990-08-30 1991-08-22 Drain guard

Country Status (2)

Country Link
EP (1) EP0473361A3 (de)
GB (1) GB9018908D0 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1544530A (en) * 1977-05-02 1979-04-19 Neild G Covers for grates of drain gullies
GB2102861A (en) * 1981-07-30 1983-02-09 James Edward Ingleton Leaf guard for rainwater downpipe gulleys

Also Published As

Publication number Publication date
EP0473361A3 (en) 1992-06-03
GB9018908D0 (en) 1990-10-17

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