EP0940520A2 - Drain pour toit plat et toit plat avec drain - Google Patents

Drain pour toit plat et toit plat avec drain Download PDF

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Publication number
EP0940520A2
EP0940520A2 EP99104548A EP99104548A EP0940520A2 EP 0940520 A2 EP0940520 A2 EP 0940520A2 EP 99104548 A EP99104548 A EP 99104548A EP 99104548 A EP99104548 A EP 99104548A EP 0940520 A2 EP0940520 A2 EP 0940520A2
Authority
EP
European Patent Office
Prior art keywords
flat roof
drain
piece
lowered
water drain
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
EP99104548A
Other languages
German (de)
English (en)
Other versions
EP0940520A3 (fr
EP0940520B1 (fr
Inventor
Wolfgang Dipl.-Ing. Vahlbrauk
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7859845&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0940520(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0940520A2 publication Critical patent/EP0940520A2/fr
Publication of EP0940520A3 publication Critical patent/EP0940520A3/fr
Application granted granted Critical
Publication of EP0940520B1 publication Critical patent/EP0940520B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D13/0431—Drainage outlets, e.g. gullies with horizontal evacuation over the border of the roof

Definitions

  • the invention relates to a flat roof water drain with a Drain box and an adjoining drain pipe, the for essentially horizontal implementation through a roof edge is intended for a downpipe, the drain box has a floor whose width is greater than the clear one The diameter of the drain pipe is and the bottom of the drain box a non-lowered floor section and one over a step has lowered bottom portion.
  • the invention further relates to a flat roof with such a flat roof water drain.
  • the invention also relates to a flat roof water drain a drain box and a drain pipe connected to it, that for essentially horizontal implementation an edge upturn to a downpipe is determined, the Drain box has a bottom whose width is larger than that clear diameter of the drain pipe.
  • the invention relates also a flat roof with such a flat roof water drain.
  • the DIN standard 19619 writes for processes for rainwater maximum damming levels before discharge and minimum discharge quantities for predetermined nominal or nominal widths of the drain pipe.
  • a nominal width of 100 mm for example, is a minimum discharge quantity of 4.5 l / s and a maximum accumulation height of 35 mm specified.
  • GB-A-2 287 042 is a flat roof water drain at the entrance known type known.
  • An essentially L-shaped drain piece draws a trough-shaped lowered section of the floor before, which practically merges into a pipe connection on which a horizontally installed drain pipe can be pushed on.
  • the lowered trough of the floor ensures that the water runs off into the horizontal drain pipe.
  • the present invention is therefore based on the problem out, a flat roof drainage through a penetration of a To allow roof edge termination with which the flow rates can be increased and the maximum accumulation levels can be reduced.
  • the invention is based on the knowledge that the previous one Considering the drainage problem as having a drainage problem a free surface from a purely hydrostatic point of view, according to which the flow rate and flow rate by the nominal size of the drain pipe and the dam height before Depending on the mouth of the drain pipe, not only that of the invention can solve the underlying problem.
  • measures influencing the hydrodynamics namely using at least two accelerations of water flow at least one by step-like lowering.
  • at least two accelerations are required are to the desired effect of a significant increase to achieve the drainage performance at low water retention levels.
  • the step-like lowering therefore has the effect that a damming reaction of the flowing water on the front dammed water standing at the outlet avoided or at least is significantly reduced, so that a largely backflow free Drainage of water from the flat roof is achieved.
  • the high of step-like lowering of the water flow, that of the acceleration serve the water is already due to the installation conditions limited, the only relatively small step-like subsidence allow (maximum a few centimeters).
  • the acceleration effect according to the invention towards the drain pipe also only when received a continuous flow remains, so the water flow does not at the step-like subsidence tears off like a waterfall.
  • the step-like depressions dimensioned so that after Formation of a constant accumulation height of the water on the Flat roof a steadily flowing water surface in the area of gradual reductions are retained.
  • the piece falling down according to the invention can be part of a be a piece of pipe sloping downwards, which may be together with a possibly only slightly inclined pipe section the drain pipe forms.
  • the sloping piece can be one have a larger diameter than a remnant of the drain pipe, whose diameter determines the nominal width of the drain pipe.
  • the piece sloping downwards can join with a mouth connect the lowered floor section.
  • the mouth can are only in the lowered section of the floor, in some cases, however, the lowered ones are also advantageous Bottom section and in a rear end wall of the drain box extend so the drain pipe is not too strong lower against the surface of the flat roof.
  • the stage for forming the lowered floor section and the Beginning of the piece falling down can in the direction of flow be spaced apart.
  • For a minor Longitudinal expansion, especially for assembly of the whole Flat roof water drain inside the roof edge is useful is the beginning of the bottom section lowered by the step with the beginning of the sloping piece collapse.
  • the flat roof water drain according to the invention can be divided into several install advantageous arrangements.
  • the flat roof is included the flat roof water drain according to the invention provided that the sunken bottom section of the flat roof water drain essentially completely arranged within the roof edge is.
  • FIG. 1 shows a load-bearing Ceiling structure 1, for example in the form of a concrete ceiling. After the ceiling structure is covered by a barrier film 2, a Insulating insulating layer 3 of greater thickness and a sealing layer 4 completed, generally by several bitumen roofing membranes or similar is formed.
  • the edge of the roof structure 1 is closed by a roof edge 5 formed, which encloses the flat roof structure 1 trough-shaped and a supporting core 6, for example also from a concrete layer, having.
  • a roof edge 5 formed, which encloses the flat roof structure 1 trough-shaped and a supporting core 6, for example also from a concrete layer, having.
  • the core 6 Connects to the inside of the roof the core 6 to the seamlessly installed barrier film 2, which also covers the top of the core 6 and on the outside of the Roof edge finish 5 ends.
  • a corresponding insulation layer 7 is located on the outside of the core 6 and of the roof structure 1.
  • To the outside is the insulating layer 7 through a facade layer 8, for example in the form of a plaster layer, completed.
  • the edge upstand 5 is at the top through a crown material 9 spanning the entire width completed.
  • the sealing layer 4 is on the vertical inside the roof edge termination 5 continued and extends over the top of the wreath material 9 to the outside of the roof edge termination 5, so that there is an overlap with the Facade layer 8 results.
  • On the top of the roof edge 5 is a roof covering 5 completely overlapping Final profile 10 applied to the vertical Sides spaced from the sealing layer 4 ends.
  • An essentially horizontal drain pipe 11 opens out on the outside of the roof edge finish 5 in a vertical Downpipe 12, a regular on its top Has ventilation opening.
  • the drain pipe 11 is through a pipe end piece 12 is formed, which via a conventional pipe socket connection 13 in an angled, falling down Piece 14 merges with an opening 15 connects to a substantially rectangular drain box 16.
  • the drain box 16 is shown in FIG Embodiment with a lying on the insulating layer 3 Connection base piece 17 provided, which is at right angles trained step 18 in a lowered bottom portion 19 passes.
  • the insulating layer 3 with a corresponding recess 20 provided in the illustrated Embodiment less than half of the The thickness of the insulating layer 3 extends.
  • the drain box 16 is through a rear end wall 21 and an upper cover wall 22 completed.
  • the drain box 16 extends in depth of the roof edge termination 5, so that the roof edge termination 5 with a corresponding recess 23 in the area of the insulating layer 3 and the core 6 is provided.
  • the cover wall 22 closes with the roof edge finish 5.
  • the mouth opening 15 thus extends over approximately half of the lowered bottom section 19 and half the height of the rear End wall 21.
  • the piece 14 is at an acute angle of about 30 ° down and angled so that it is only slightly (between 1 and 5 °) inclined drain pipe 12 continues.
  • the insertion movement of the drain box 16 into the recess 23 the roof edge termination 5 is through a vertical wall piece 24 limited.
  • the L-shaped inlet opening of the drain box 16 is through a correspondingly angled screen grid 25 covered, which retains coarse impurities.
  • Figure 3 shows that the stage 18 not only in the flow direction but is also formed laterally and a width of lowered bottom section 19 defines that much wider than the diameter of the tubular piece 14 or the mouth opening 15 is.
  • the corresponding context also leaves recognize the top view according to FIG. 4.
  • Figure 5 shows that the roof structure described regularly by a gravel fill 25 is covered and that keeping the Inlet opening of the drain box 16 through a mesh cage 26 can take place, which is designed as a separate part.
  • the drain box 16 is completely in the recess 20 the insulating layer 3 housed. Accordingly, that closes Piece 14 sloping downwards and goes into the with End pipe section 12 of the drain pipe 11 overlapping leg, which is passed through the roof edge termination 5.
  • the pipe end piece 12 of this embodiment is thus opposite the pipe end piece 12 extended in the embodiment of Figure 1. Of the leg of piece 14 running diagonally downward is exclusive performed in the insulating layers 3, 7.
  • Figures 7 to 9 illustrate that the arrangement stage 18 and the second acceleration causing downward mouth opening 15 is completely the same as in the first embodiment shown in Figures 1 to 5.
  • Figure 10 illustrates that the opening of the drain box 16 the level of the flat roof is larger and therefore a larger one Grid box 26 required.
  • FIGS. 11 to 14 A third exemplary embodiment is shown in FIGS. 11 to 14 shown.
  • the drain box 16 is completely in the roof edge termination 5, so that the insulating layer 3 of the Flat roofs remain practically untouched.
  • the inventive design of a stage 18th and a second acceleration due to the falling Piece 14 the DIN-compliant minimum flow rate by a given Nominal diameter of the drain pipe 11 reached.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Sink And Installation For Waste Water (AREA)
EP99104548A 1998-03-06 1999-03-08 Drain pour toit plat et toit plat avec drain Expired - Lifetime EP0940520B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19809488A DE19809488C2 (de) 1998-03-06 1998-03-06 Flachdach-Wasserablauf und Flachdach mit einem Flachdach-Wasserablauf
DE19809488 1998-03-06

Publications (3)

Publication Number Publication Date
EP0940520A2 true EP0940520A2 (fr) 1999-09-08
EP0940520A3 EP0940520A3 (fr) 2001-01-03
EP0940520B1 EP0940520B1 (fr) 2003-07-30

Family

ID=7859845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99104548A Expired - Lifetime EP0940520B1 (fr) 1998-03-06 1999-03-08 Drain pour toit plat et toit plat avec drain

Country Status (4)

Country Link
EP (1) EP0940520B1 (fr)
AT (1) ATE246292T1 (fr)
DE (1) DE19809488C2 (fr)
DK (1) DK0940520T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2146020A1 (fr) * 2008-07-17 2010-01-20 Wolfgang Dipl.-Ing. Vahlbrauk Dispositif d'écoulement doté d'une conduite passant par le garde-corps d'une toiture
EP2628867A1 (fr) * 2012-02-15 2013-08-21 Kessel AG Bouche d'évacuation avec un corps d'évacuation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10104530A1 (de) * 2001-01-31 2002-08-14 Sita Bauelemente Vorrichtung zur Entwässerung von Flachdächern mit einem Randabschluss

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287042A (en) 1994-03-04 1995-09-06 Aluteck Co Ltd Horizontal drains

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1784988C3 (de) * 1967-01-21 1974-06-06 Traugott Baden Aargau Schoop (Schweiz) Dachwassereinlauf. Ausscheidung aus: 1600597
GB2065743A (en) * 1979-11-16 1981-07-01 Medical & Scient Structures Lt Rainwater drainage system for prefabricated building

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287042A (en) 1994-03-04 1995-09-06 Aluteck Co Ltd Horizontal drains

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DIERKS,SCHNEIDER,WORMUTH: "Baukonstruktion", 1993, 3. AUFLAGE, pages: 575

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2146020A1 (fr) * 2008-07-17 2010-01-20 Wolfgang Dipl.-Ing. Vahlbrauk Dispositif d'écoulement doté d'une conduite passant par le garde-corps d'une toiture
EP2628867A1 (fr) * 2012-02-15 2013-08-21 Kessel AG Bouche d'évacuation avec un corps d'évacuation

Also Published As

Publication number Publication date
DE19809488A1 (de) 1999-09-23
EP0940520A3 (fr) 2001-01-03
EP0940520B1 (fr) 2003-07-30
DK0940520T3 (da) 2003-11-17
ATE246292T1 (de) 2003-08-15
DE19809488C2 (de) 2002-08-08

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