EP3321421A1 - Drain à fente - Google Patents

Drain à fente Download PDF

Info

Publication number
EP3321421A1
EP3321421A1 EP17201916.8A EP17201916A EP3321421A1 EP 3321421 A1 EP3321421 A1 EP 3321421A1 EP 17201916 A EP17201916 A EP 17201916A EP 3321421 A1 EP3321421 A1 EP 3321421A1
Authority
EP
European Patent Office
Prior art keywords
cover
channel
section
opening
drainage apparatus
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
EP17201916.8A
Other languages
German (de)
English (en)
Other versions
EP3321421B1 (fr
Inventor
John HARTE
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.)
Lateral Design Studio Ltd
Original Assignee
Lateral Design Studio 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 Lateral Design Studio Ltd filed Critical Lateral Design Studio Ltd
Publication of EP3321421A1 publication Critical patent/EP3321421A1/fr
Application granted granted Critical
Publication of EP3321421B1 publication Critical patent/EP3321421B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224—Surface drainage of streets
    • E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E03F3/046—Open sewage channels

Definitions

  • the present invention relates to a slot drain, and relates particularly, but not exclusively, to a slot drain for use in outdoor paved areas.
  • both the single and dual slot drains are prone to becoming blocked by thin items entering the drains through the slots.
  • cigarette butts, slivers of plastic and small pieces of sheet material can easily enter the slot either becoming stuck in the slot or passing into the drain and accumulating to block the gully.
  • the narrow nature of the slots makes the removal of trapped items extremely difficult and cleaning can only be achieved using pressure washing.
  • the dual slot drain can receive significantly greater volumes of water, both the dual and single slot drains are very difficult to clean.
  • slot drains in order to maximise the volume of water that can flow into the drainage gully the support across the two sides of the slot drain is minimised thereby keeping the slot as open as possible.
  • this has the disadvantage of weakening the uppermost edges of the drain allowing them to become distorted and damaged during installation and use.
  • a section of a drainage apparatus which together with like sections form a slot drain, the section comprising:-
  • the sizes of the apertures can be easily controlled by varying the pattern of the holes thus limiting the size of articles which can enter the drain. This not only assists in preventing the drain from becoming blocked but the holes can be sized to ensure that articles such as stiletto heels cannot become caught in the drain. As a result, drains need to be cleaned less often and ankle and foot injuries are much less likely than with drains of the prior art.
  • the cover is inevitably formed perpendicular to the channel sides and as a result acts to brace the channel sides along the entire length of the slot drain.
  • any forces applied perpendicular to the channel sides are resisted by the cover which is parallel to this direction of force.
  • the channel sides are much less likely to be damaged, particularly pressed together, which therefore provides a more pleasing visual finish to the drain and does not alter the flow characteristics of the drain opening.
  • the apertures in the cover can be formed in an aesthetically pleasing arrangement thereby further enhancing the visual impact of the drain within the floor or ground surface.
  • the cover By forming the cover separately from the body of the slot drain the advantages provided that the cover can be formed such that it can be removed. This in turn provides easier access for maintenance and cleaning of the slot and in particular the gully. Furthermore, the cover can be wider than the slots of the prior art, as the perforations in the cover determine the flow of water into the drain. As a result, the access to the gully through the slot, once the cover is been removed, is much easier than in traditional slot drains of the prior art, thereby making the process of cleaning the drain and the gully significantly easier. For example, the gap between the channel sides can be large enough for the head of a pressure washer to be inserted right into the gully.
  • the opening comprises the uppermost edges of said channel sides.
  • bracing members in the channel sides the advantages provided that these act to strengthen and brace the sides of the channel during installation. Furthermore, the bracing members act to support the removable cover ensuring that it remains in the correct position.
  • the cover may further comprise a substantially U-shaped cross-section with an upper surface having said aperture is cut therein and cover sides extending substantially perpendicular therefrom, in use said cover sides engaging said bracing members.
  • cover sides further comprising L-shaped slots cut therein and said bracing members engaging distal ends of said slots.
  • opening, channel, support portions and cover are formed as a single unit.
  • the opening, channel, support portions and cover are formed from a sheet material suitably folded and with said aperture is cut in said cover.
  • the section of drainage apparatus may further comprise at least one gully for receiving liquid from said channel and engaging said support portions.
  • the support portions may be substantially the same size thereby locating said channel in the centre of said second width.
  • a drainage apparatus in the form of slot drain 10 is formed from a series of sections of drain 12. In each of the figures only a single section 12 is shown and the sections are joined end to end to form the slot drain 10 in a manner which is familiar to person skilled in this art.
  • the drain is shown including a gully 14.
  • this gully 14 is a preformed component on which the remainder of the section 12 of the drainage apparatus 10 sits and is installed during the groundworks in the preparation of the ground surface.
  • the gully 14 may not be supplied and can be formed by hand from for example concrete during the groundworks.
  • the remainder of the drainage apparatus is formed from a metal material, preferably stainless steel.
  • This includes a body portion 16 which is formed having an opening 18, a channel 20 and support portions 22 and 24.
  • the opening 18 is the space at the uppermost end of the channel 20 which is itself defined by a pair of channel sides or walls 26 and 28. In the example shown in the figures, these channel walls extend vertically downwards and this is preferable when the ground covering into which the slot drain 10 is being installed is a paving material such as paving slabs or bricks. Extending from the bottom of the channel 20, that is, from the end opposing the opening 18, are the support portions 22 and 24.
  • these support portions 22 and 24 extend perpendicular from the channel walls 26 and 28 and are ended by U-shaped feet portions 30 and 32 which engage respective lips 34 and 36 formed in the gully 14.
  • the body is formed in two halves with one side wall 26 and support portion 22 forming one half and the other formed by sidewall 28 and support portion 24.
  • the two halves of the body are mirror images of each other and a formed by cutting a longer length of the folded sheet material in half and turning one half so formed around to create that mirror-image.
  • the halves are joined together using bracing members 38 which extend between the channel walls 26 and 28 perpendicular to the walls just below the opening 18.
  • the drainage apparatus falls into the category of a slot drain since the size of the opening 18 into which the water initially runs at ground level is significantly narrower than the gully 14 which carries the accumulating volume of water.
  • the width W2 is measured from the outermost edges of the U-shaped feet portions 30 and 32 of the support portions 22 and 24. It is also worth noting that the width W1 is smaller than the width W3 measured across the gully 14.
  • a cover 40 which fits into the opening 18 such that the uppermost surface 42 of the cover 40 is at approximately the same height as the opening 18, that is at the uppermost ends of the walls 26 and 28.
  • the upper surface 42 of cover 40 can sit slightly above or slightly below the upper edges of the walls 26 and 28 whilst still performing its function of covering the opening 18.
  • the cover 40 is formed with a U-shaped cross-section and therefore cover walls 44 and 46 extend from the upper surface 42 perpendicular to that surface and in use downwards into the channel 20.
  • a series of apertures 48 are cut into the uppermost surface 42 of cover 40 and it is through these apertures that water from the ground surface can drain via the opening 18, through the channel 20 and into the gully 14.
  • Figures 13, 14, 15 and 16 illustrate some particularly aesthetically pleasing examples of patterns of apertures which can be cut into the cover 40.
  • Other patterns can of course be used but it is desirable to ensure that the dimensions of the apertures 48 are sufficiently small so that only liquids and small items can pass through or into the apertures and articles such as the letter heals cannot enter and get caught in the apertures.
  • each aperture has a dimensions less than the width W1.
  • Cut into the cover walls 44 and 46 are pairs of L-shaped slots 50 with one of each of the pairs of slots on each wall and a pair of slots 50 provided for each bracing member 38 in the body portion 16.
  • the L-shaped slots 50 are provided to lock the cover 40 into engagement with the body portion 16 by locating the bracing members 38 in the distal ends of the L-shaped slots 50 thereby preventing upward movement of the cover 40.
  • the support portions 22 and 24 are different sizes thereby making the body asymmetric. This embodiment is used particularly where the drainage is to be installed immediately adjacent the edge of a building or some other structure into which the gully 14 cannot extend.
  • the support portion 24 is extended and the support portion 22 shrunk so that it only includes the foot portion 30 which extends directly from and perpendicular to the channel wall 26.
  • a gully 14 is placed into the ground (or alternatively formed into the ground) at a height such that when sections of drainage apparatus 12 are placed onto the gully the opening 18 will be at substantially the same height, that is substantially flush with, the uppermost ground surface of the paving, tarmac or the like. Further gullies 14 are aligned together to create a drainage channel generally leading to a main drain.
  • the body portion 16 is placed onto the gully 14 without the cover 40 in place. Further body portion 16 are then aligned with the first body portion and on top of the further gullies. A pair of tabs 52 which are attached to and extend from the inner surfaces of the channel walls 26 and 28 slot into the opposing end of the next body portion 16 to maintain the correct alignment of the body portions. The remainder of the ground surface is formed up to the body portion and any debris from the construction is cleaned from the inner surfaces of the channel walls 26 and 28.
  • FIGs 5 and 6 show the cover 40 prior to engagement with the body portion 16 in perspective and side views.
  • Figure 7 shows the cover 40 engaged with the body portion 16 and part of the channel wall 28 is shown as if removed to demonstrate the bracing member 38 in initial engagement with the corner of L-shaped slots 50.
  • the cover 50 extends beyond the end of the body 16 (left-hand edge as shown in figure 6 ) when in this initial engagement.
  • the bracing member 38 engages the distal end of the L-shaped slot 50.
  • the cover 40 When the cover 40 is in place it provides additional strengthening support to the body portion 16.
  • the bracing members 38 already prevent the movement of the channel walls 26 and 28 towards each other. However, it is possible that in the spaces between the bracing members 38 that the channel walls adjacent the opening 18 could become bent. When the cover 40 is in place this provides support along the entire length of the walls and prevents any movement or bending of the upper edges of the channel walls 26 and 28.
  • cover walls 144 and 146 of cover 140 are shorter than the cover walls 44 and 46 of cover 40.
  • the other change which distinguishes the cover 140 is the inclusion of a tab 158 which extends from the bottom end of wall 144 and is parallel to the upper surface 142 of cover 140.
  • the body portion and gully can be formed as a single item, preferably all from sheet material folded such that the support portions connect to the gully by a bend in the sheet material.
  • the body portion 16 could be made as a single component without a removable cover 40. In this instance the body portion 16 would be formed by cutting the apertures 48 into a strip of sheet metal and then this sheet is bent to form the upper surface 42, the channel 20 and the support portions 22 and 24. The opening 18 would then be defined as the apertures 48 in the upper surface 42.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sink And Installation For Waste Water (AREA)
EP17201916.8A 2016-11-15 2017-11-15 Drain à fente Active EP3321421B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201619350 2016-11-15

Publications (2)

Publication Number Publication Date
EP3321421A1 true EP3321421A1 (fr) 2018-05-16
EP3321421B1 EP3321421B1 (fr) 2022-02-09

Family

ID=60382083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17201916.8A Active EP3321421B1 (fr) 2016-11-15 2017-11-15 Drain à fente

Country Status (1)

Country Link
EP (1) EP3321421B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11021864B1 (en) 2019-05-22 2021-06-01 Aquastar Pool Products, Inc. Deck drain system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365911A (en) * 1980-07-10 1982-12-28 Ramco Steel, Inc. Surface drainage culvert
DE29811277U1 (de) * 1998-06-05 1999-01-21 Blenia Design S.A.G.L., Semione Entwässerungsvorrichtung
DE9219225U1 (de) * 1991-11-08 2000-09-21 Aco Severin Ahlmann Gmbh & Co Kg, 24768 Rendsburg Entwässerungssysteme
EP2746476A1 (fr) * 2012-12-21 2014-06-25 Hauraton France (Société à Responsabilité Limitée) Dispositif de couvercle à fente pour caniveau hydraulique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011051424U1 (de) * 2011-09-23 2013-01-08 Walter Gutjahr Schlitzrinne zum Abführen von Oberflächenwasser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365911A (en) * 1980-07-10 1982-12-28 Ramco Steel, Inc. Surface drainage culvert
DE9219225U1 (de) * 1991-11-08 2000-09-21 Aco Severin Ahlmann Gmbh & Co Kg, 24768 Rendsburg Entwässerungssysteme
DE29811277U1 (de) * 1998-06-05 1999-01-21 Blenia Design S.A.G.L., Semione Entwässerungsvorrichtung
EP2746476A1 (fr) * 2012-12-21 2014-06-25 Hauraton France (Société à Responsabilité Limitée) Dispositif de couvercle à fente pour caniveau hydraulique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11021864B1 (en) 2019-05-22 2021-06-01 Aquastar Pool Products, Inc. Deck drain system
US11072921B1 (en) 2019-05-22 2021-07-27 Aquastar Pool Products, Inc. Deck drain system
US11549254B1 (en) 2019-05-22 2023-01-10 Aquastar Pool Products, Inc. Deck drain system

Also Published As

Publication number Publication date
EP3321421B1 (fr) 2022-02-09

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