EP2778306B1 - Floor drain mounting device - Google Patents

Floor drain mounting device Download PDF

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Publication number
EP2778306B1
EP2778306B1 EP14157740.3A EP14157740A EP2778306B1 EP 2778306 B1 EP2778306 B1 EP 2778306B1 EP 14157740 A EP14157740 A EP 14157740A EP 2778306 B1 EP2778306 B1 EP 2778306B1
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EP
European Patent Office
Prior art keywords
floor drain
receiving device
mounting device
floor
drain mounting
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.)
Active
Application number
EP14157740.3A
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German (de)
French (fr)
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EP2778306A1 (en
Inventor
Sindy Heim
Alexander Leser
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.)
ACO Ahlmann SE and Co KG
Original Assignee
ACO Severin Ahlmann GmbH and Co KG
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
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Publication of EP2778306A1 publication Critical patent/EP2778306A1/en
Application granted granted Critical
Publication of EP2778306B1 publication Critical patent/EP2778306B1/en
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/041Accessories therefor

Definitions

  • the invention relates to a floor drain assembly device according to the preamble of patent claim 1.
  • Floor drains are usually installed in floor ceilings, for which purpose floor drain installation devices of the type mentioned are known in order to facilitate the assembly effort.
  • floor drain installation devices of the type mentioned are known in order to facilitate the assembly effort.
  • Such a device is for example from DE 10 2004 020 251 A1 known, which shows a filling aid part for a drain device that can be mounted in a floor or ceiling opening.
  • the receiving device provided there has, on the one hand, a metal plate with an adjacent pipe socket and, on the other hand, a pot mounted thereon, which carries an inwardly protruding lip seal. A floor drain can be inserted into this pot in such a way that its body is sealed against the pot. After installation, a potting compound is filled between the receiving body and the inner wall of the core hole.
  • the plate and the pipe socket of the receiving device are coated with an intumescent material which swells in the event of fire and seals the space between the receiving device and the floor drain in such a way that a The flow of hot gases and the spread of the fire from one floor to the other is prevented.
  • the invention is based on the object of developing a floor drain assembly device of the type mentioned at the outset in such a way that an improved fire protection effect can be achieved with less construction and assembly effort.
  • An essential point of the invention is that essential sections of the core bore or the receiving opening for the floor drain are filled with ceramic material so that only small openings remain that have to be closed by the intumescent material in the event of a fire by swelling.
  • the receiving device comprises a ring to which the holding device formed from at least three holding clips is attached. This enables simple assembly.
  • the cast body is cast or glued into the cup-shaped ring of the receiving device. This makes production easier and increases durability.
  • the ring and the retaining clips are preferably made from sheet metal, with a one-piece production being particularly preferred. This saves costs and increases the stability of the arrangement.
  • the ceramic material preferably comprises a fire protection mortar, so that the ring consisting of it can be manufactured in a variety of shapes, each of which corresponds in its inner contour to the outer contour of a floor drain to be used.
  • the cast body comprises an inner bore which is coated with intumescent material.
  • the cast body comprises an upper surface which is coated with intumescent material. This creates a further seal between the floor drain and the inner wall of the recess.
  • the intumescent material is preferably coated with plastic. This results in greater durability and also easier assembly, since the intumescent material is covered in the area of its outer surface and there is increased sliding ability between the plastic material and the material of the floor drain.
  • Another advantage of this construction is that a soundproofing effect is achieved at the same time as the fire protection effect. The noises that arise in the floor drain or are introduced into it are not transmitted to the ceiling.
  • the floor drain 1 comprises an upper flange 2 with which it rests on a floor 5.
  • a sealing film is also placed on the surface of the floor slab, on which the upper flange 2 of the floor drain 1 then rests with a seal.
  • the floor drain assembly device comprises a receiving device 10 for receiving a body 3 with a connecting pipe socket 4 of the floor drain 1 and three retaining clips 11, 11 ', 11 "which are angled at their upper ends so that the floor drain assembly device can be inserted into the core bore 6 and by means of the Brackets 11, 11 ', 11 "is fixed on the floor.
  • the receiving device 10 and the retaining clips 11, 11 ′, 11 ′′ are made of sheet steel, the receiving device 10 comprising a cup-shaped ring 12 with a lower opening 13.
  • a cast body 16 (see Fig. 3 ) is used, the inner contour of which corresponds to the outer contour of the floor drain 1 to be accommodated in the area of its body 3 with the adjacent pipe socket 4. This is possible especially off Fig. 1 forth. In this way, a very small gap is achieved between the parts of the floor drain 1 adjoining the receiving device 10.
  • an intumescent compound 15 which in turn is covered on its outside by a plastic film (not shown) or a plastic coating.
  • An intumescent compound 18, which is also coated with plastic, is also applied to an upper surface 17 of the cast body 16.
  • the intumescent material 15 and 18 is preferably cast onto the cast body 16 or glued onto it.
  • the production of the floor drain assembly device is extremely simple and comprises only a few parts.
  • the assembly is also facilitated compared to the known prior art, among other things, that the receiving device contains the cast body 16, which has a relatively high mass or a high weight, so that the floor drain assembly device securely holds there after being inserted into the core bore.
  • the floor drain assembly device shown here manages with a very small amount of intumescent material, which on the one hand saves costs and, on the other hand, achieves a particularly secure seal in the event of a fire, since the resulting gaps are small.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Building Environments (AREA)

Description

Die Erfindung betrifft eine Bodenablaufmontagevorrichtung nach dem Oberbegriff des Patentanspruches 1.The invention relates to a floor drain assembly device according to the preamble of patent claim 1.

Bodenabläufe werden üblicherweise in Geschoßdecken montiert, wofür zur Erleichterung des Montageaufwandes Bodenablaufmontagevorrichtungen der eingangs genannten Art bekannt sind. Eine derartige Vorrichtung ist beispielsweise aus der DE 10 2004 020 251 A1 bekannt, die ein Verfüllhilfeteil für eine in eine Boden- oder Deckenöffnung montierbare Ablaufvorrichtung zeigt.Floor drains are usually installed in floor ceilings, for which purpose floor drain installation devices of the type mentioned are known in order to facilitate the assembly effort. Such a device is for example from DE 10 2004 020 251 A1 known, which shows a filling aid part for a drain device that can be mounted in a floor or ceiling opening.

Eine weitere Vorrichtung ist aus der DE 102 19 086 A1 bekannt. Die dort vorgesehene Aufnahmeeinrichtung weist einerseits eine Metallplatte mit angrenzendem Rohrstutzen auf und andererseits einen darauf montierten Topf, der eine nach innen ragende Lippendichtung trägt. In diesen Topf kann ein Bodenablauf so eingesteckt werden, dass sein Körper gegenüber dem Topf abgedichtet wird. Zwischen dem Aufnahmekörper und die Innenwand der Kernbohrung wird nach dem Einbau eine Vergussmasse eingefüllt.Another device is from the DE 102 19 086 A1 known. The receiving device provided there has, on the one hand, a metal plate with an adjacent pipe socket and, on the other hand, a pot mounted thereon, which carries an inwardly protruding lip seal. A floor drain can be inserted into this pot in such a way that its body is sealed against the pot. After installation, a potting compound is filled between the receiving body and the inner wall of the core hole.

Weiterhin sind die Platte und der Rohrstutzen der Aufnahmeeinrichtung mit einem Intumeszenzmaterial beschichtet, das im Brandfall aufquillt und den Raum zwischen der Aufnahmeeinrichtung und dem Bodenablauf so abdichtet, dass ein Durchströmen von heißen Gasen und Übertragen des Brandes von einem Stockwerk in das andere verhindert wird.Furthermore, the plate and the pipe socket of the receiving device are coated with an intumescent material which swells in the event of fire and seals the space between the receiving device and the floor drain in such a way that a The flow of hot gases and the spread of the fire from one floor to the other is prevented.

Die bekannten Vorrichtungen sind sowohl hinsichtlich der Montage als auch hinsichtlich ihrer Herstellung aufwändig. Darüber hinaus ist die Abdichtung im Brandfall nicht optimal.The known devices are complex both in terms of assembly and in terms of their manufacture. In addition, the seal is not optimal in the event of fire.

Der Erfindung liegt die Aufgabe zu Grunde, eine Bodenablaufmontagevorrichtung der eingangs genannten Art dahingehend weiterzubilden, dass bei geringerem Aufbau- und Montageaufwand eine verbesserte Brandschutzwirkung erzielbar ist.The invention is based on the object of developing a floor drain assembly device of the type mentioned at the outset in such a way that an improved fire protection effect can be achieved with less construction and assembly effort.

Diese Aufgabe wird durch eine Bodenablaufmontagevorrichtung nach Anspruch 1 gelöst.This object is achieved by a floor drain assembly device according to claim 1.

Ein wesentlicher Punkt der Erfindung liegt darin, dass wesentliche Abschnitte der Kernbohrung bzw. der Aufnahmeöffnung für den Bodenablauf durch keramisches Material ausgefüllt werden, so dass nur noch geringe Öffnungen verbleiben, die vom intumeszierenden Material im Fall eines Brandes durch dessen Aufquellen verschlossen werden müssen.An essential point of the invention is that essential sections of the core bore or the receiving opening for the floor drain are filled with ceramic material so that only small openings remain that have to be closed by the intumescent material in the event of a fire by swelling.

Die Aufnahmeeinrichtung umfasst einen Ring, an welchem die aus mindestens drei Halteklammern ausgebildete Halteeinrichtung befestigt ist. Dadurch ist eine einfache Montage möglich.The receiving device comprises a ring to which the holding device formed from at least three holding clips is attached. This enables simple assembly.

Der Gusskörper ist in den topfförmig ausgebildeten Ring der Aufnahmevorrichtung eingegossen oder eingeklebt. Dies erleichtert die Fertigung und erhöht die Haltbarkeit.The cast body is cast or glued into the cup-shaped ring of the receiving device. This makes production easier and increases durability.

Der Ring und die Halteklammern sind vorzugsweise aus Metallblech gefertigt, wobei eine einstückige Fertigung besonders bevorzugt wird. Dies erspart Kosten und erhöht die Stabilität der Anordnung.The ring and the retaining clips are preferably made from sheet metal, with a one-piece production being particularly preferred. This saves costs and increases the stability of the arrangement.

Das keramische Material umfasst vorzugsweise einen Brandschutzmörtel, so dass der daraus bestehende Ring in vielfältigen Formen gefertigt werden kann, welche jeweils in ihrer Innenkontur der Außenkontur eines einzusetzenden Bodenablaufes entsprechen.The ceramic material preferably comprises a fire protection mortar, so that the ring consisting of it can be manufactured in a variety of shapes, each of which corresponds in its inner contour to the outer contour of a floor drain to be used.

Der Gusskörper umfasst eine Innenbohrung, welche mit Intumeszenzmaterial beschichtet ist. Dadurch wird über eine längere Strecke der Spalt zwischen dem Bodenablauf bzw. dessen Ablaufrohrstutzen und der Aufnahmevorrichtung im Brandfall sicher verschlossen.The cast body comprises an inner bore which is coated with intumescent material. As a result, the gap between the floor drain or its drain pipe socket and the receiving device is securely closed over a longer distance in the event of fire.

Weiterhin umfasst der Gusskörper eine obere Fläche, welche mit Intumeszenzmaterial beschichtet ist. Dadurch wird eine weitere Abdichtung zwischen dem Bodenablauf und der Innenwand der Ausnehmung bewerkstelligt.Furthermore, the cast body comprises an upper surface which is coated with intumescent material. This creates a further seal between the floor drain and the inner wall of the recess.

Das Intumeszenzmaterial ist vorzugsweise mit Kunststoff beschichtet. Dadurch ergibt sich eine größere Haltbarkeit und auch leichtere Montierbarkeit, da das Intumeszenzmaterial im Bereich seiner Außenfläche abgedeckt ist und eine erhöhte Gleitfähigkeit zwischen dem Kunststoffmaterial und dem Material des Bodenablaufes besteht.The intumescent material is preferably coated with plastic. This results in greater durability and also easier assembly, since the intumescent material is covered in the area of its outer surface and there is increased sliding ability between the plastic material and the material of the floor drain.

Ein weiterer Vorteil ergibt sich bei dieser Konstruktion dadurch, dass gleichzeitig mit der Brandschutzwirkung eine schalldämmende Wirkung erzielt wird. Die im Bodenablauf entstehenden oder in diesen eingeleiteten Geräusche werden damit nicht auf die Geschoßdecke übertragen.Another advantage of this construction is that a soundproofing effect is achieved at the same time as the fire protection effect. The noises that arise in the floor drain or are introduced into it are not transmitted to the ceiling.

Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand von Abbildungen näher erläutert. Hierbei zeigen

Fig. 1
einen Querschnitt durch eine Geschoßdecke mit eingebauter Bodenablaufmontagevorrichtung samt Bodenablauf,
Fig. 2
eine perspektivische Darstellung der Bodenablaufmontagevorrichtung nach Anspruch 1,
Fig. 3
eine Explosionsdarstellung der Bodenablaufmontagevorrichtung und
Fig. 4
eine perspektivische Darstellung der Bodenablaufmontagevorrichtung mit eingesetztem Bodenablauf.
An exemplary embodiment of the invention is explained in more detail below with reference to figures. Show here
Fig. 1
a cross section through a floor ceiling with built-in floor drain assembly device including floor drain,
Fig. 2
a perspective view of the floor drain assembly device according to claim 1,
Fig. 3
an exploded view of the floor drain assembly device and
Fig. 4
a perspective view of the floor drain assembly device with the floor drain inserted.

In der nachfolgenden Beschreibung werden für gleiche und gleich wirkende Teil dieselben Bezugsziffern verwendet.In the following description, the same reference numbers are used for parts that are the same and have the same effect.

Wie in den beiliegenden Abbildungen gezeigt, umfasst der Bodenablauf 1 einen Oberflansch 2, mit welchem er auf einer Geschoßdecke 5 aufliegt. Üblicherweise wird noch eine Abdichtfolie auf die Oberfläche der Geschoßdecke aufgelegt, auf welcher dann der Oberflansch 2 des Bodenablaufes 1 unter Abdichtung aufliegt.As shown in the accompanying figures, the floor drain 1 comprises an upper flange 2 with which it rests on a floor 5. Usually, a sealing film is also placed on the surface of the floor slab, on which the upper flange 2 of the floor drain 1 then rests with a seal.

In der Geschoßdecke 5 befindet sich eine Kernbohrung 6, in welche die Bodenablaufmontagevorrichtung eingesetzt wird.In the storey ceiling 5 there is a core hole 6 into which the floor drain assembly device is inserted.

Die Bodenablaufmontagevorrichtung umfasst eine Aufnahmeeinrichtung 10 zur Aufnahme eines Körpers 3 mit anschließendem Rohrstutzen 4 des Bodenablaufes 1 sowie drei Halteklammern 11, 11', 11", die an ihren Oberenden abgewinkelt sind, so dass die Bodenablaufmontagevorrichtung in die Kernbohrung 6 eingesetzt werden kann und mittels der Halteklammern 11, 11', 11" auf der Geschoßdecke festgesetzt wird.The floor drain assembly device comprises a receiving device 10 for receiving a body 3 with a connecting pipe socket 4 of the floor drain 1 and three retaining clips 11, 11 ', 11 "which are angled at their upper ends so that the floor drain assembly device can be inserted into the core bore 6 and by means of the Brackets 11, 11 ', 11 "is fixed on the floor.

Die Aufnahmeeinrichtung 10 und die Halteklammern 11, 11', 11" sind aus Stahlblech gefertigt, wobei die Aufnahmeeinrichtung 10 einen topfförmigen Ring 12 mit einer unteren Öffnung 13 umfasst.The receiving device 10 and the retaining clips 11, 11 ′, 11 ″ are made of sheet steel, the receiving device 10 comprising a cup-shaped ring 12 with a lower opening 13.

In diesen Ring 12 wird ein Gusskörper 16 (siehe Fig. 3) eingesetzt, dessen Innenkontur der Außenkontur des aufzunehmenden Bodenablaufes 1 im Bereich seines Körpers 3 mit angrenzendem Rohrstutzen 4 entspricht. Dies geht insbesondere aus Fig. 1 hervor. Auf diese Weise wird bereits ein sehr geringer Spalt zwischen den an die Aufnahmeeinrichtung 10 angrenzenden Teilen des Bodenablaufes 1 erzielt.In this ring 12, a cast body 16 (see Fig. 3 ) is used, the inner contour of which corresponds to the outer contour of the floor drain 1 to be accommodated in the area of its body 3 with the adjacent pipe socket 4. This is possible especially off Fig. 1 forth. In this way, a very small gap is achieved between the parts of the floor drain 1 adjoining the receiving device 10.

Weiterhin wird der untere, dem Rohrstutzen 4 des Bodenablaufes 1 entsprechende Teil einer Innenbohrung 14 des Gusskörpers 16 mit einer Intumeszenzmasse 15 beschichtet, die wiederum nach ihrer Außenseite hin durch eine (nicht gezeigte) Kunststofffolie bzw. einer Kunststoffbeschichtung abgedeckt ist.Furthermore, the lower part of an inner bore 14 of the cast body 16 corresponding to the pipe socket 4 of the floor drain 1 is coated with an intumescent compound 15, which in turn is covered on its outside by a plastic film (not shown) or a plastic coating.

Auf einer oberen Fläche 17 des Gusskörpers 16 ist ebenfalls eine Intumeszenzmasse 18 aufgebracht, die ebenfalls mit Kunststoff beschichtet ist. Das Intumeszenzmaterial 15 und 18 ist vorzugsweise an den Gusskörper 16 angegossen oder auf ihn aufgeklebt.An intumescent compound 18, which is also coated with plastic, is also applied to an upper surface 17 of the cast body 16. The intumescent material 15 and 18 is preferably cast onto the cast body 16 or glued onto it.

Wie aus der vorangehenden Darstellung ersichtlich, ist die Herstellung der Bodenablaufmontagevorrichtung extrem einfach und umfasst nur wenige Teile. Die Montage wird unter anderem auch dadurch gegenüber dem bekannten Stand der Technik erleichtert, dass die Aufnahmeeinrichtung den Gusskörper 16 beinhaltet, der eine relativ hohe Masse bzw. ein hohes Gewicht aufweist, so dass die Bodenablaufmontagevorrichtung nach dem Einsetzen in die Kernbohrung dort sicher hält. Weiterhin kommt die hier gezeigte Bodenablaufmontagevorrichtung mit einer sehr geringen Menge an Intumeszenzmaterial aus, wodurch einerseits Kosten gespart und andererseits eine besonders sichere Abdichtung im Brandfall erzielt wird, da die entstehenden Spalte gering sind.As can be seen from the preceding illustration, the production of the floor drain assembly device is extremely simple and comprises only a few parts. The assembly is also facilitated compared to the known prior art, among other things, that the receiving device contains the cast body 16, which has a relatively high mass or a high weight, so that the floor drain assembly device securely holds there after being inserted into the core bore. Furthermore, the floor drain assembly device shown here manages with a very small amount of intumescent material, which on the one hand saves costs and, on the other hand, achieves a particularly secure seal in the event of a fire, since the resulting gaps are small.

BezugszeichenlisteReference list

11
BodenablaufFloor drain
22
OberflanschUpper flange
33
Körperbody
44th
RohrstutzenPipe socket
55
GeschoßdeckeFloor ceiling
66
KernbohrungCore drilling
1010
AufnahmeeinrichtungReception facility
11, 11', 11"11, 11 ', 11 "
HalteklammernRetaining clips
1212th
Ringring
1313th
Öffnungopening
1414th
InnenbohrungInner bore
1515
IntumeszenzmaterialIntumescent material
1616
GusskörperCast body
1717th
Obere FlächeUpper surface
1818th
IntumeszenzmaterialIntumescent material

Claims (6)

  1. Floor drain mounting device, comprising
    a receiving device (10) which is designed and can be positioned by means of its holding device (11, 11', 11") in a core bore or similar recess (6) of a floor (5) in such a way that a floor drain (1) can be mounted in a held manner in the receiving device (10),
    wherein the receiving device (10) designed to close the recess (6) in case of fire is formed by intumescent material, wherein the receiving device (10) comprises an annular cast body (16) of a ceramic material, which comprises an internal bore (14), wherein
    the receiving device (10) comprises a pot-shaped ring (12) to which the holding device formed from at least three holding clips (11, 11', 11") is fastened and the cast body (16) is inserted into the pot-shaped ring (12) of the receiving device (10),
    characterised in that
    the inner bore (14) is coated with the intumescent material (15), and the inner contour of the cast body (16) is adapted to an outer contour of the floor drain to be received.
  2. Floor drain mounting device according to claim 1,
    characterised in that
    the pot-shaped ring (12) and the at least three holding clips (11, 11', 11") are made of sheet metal.
  3. Floor drain mounting device according to one of the previous claims,
    characterised in that
    the ceramic material includes fire protection mortar.
  4. Floor drain mounting device according to one of the previous claims,
    characterised in that
    the cast body (16) has an upper surface (17) which is coated with an intumescent material.
  5. Floor drain mounting device according to one of the previous claims,
    characterised in that
    the intumescent material is coated with plastic.
  6. Floor drain mounting device according to one of the previous claims,
    characterised in that
    the receiving device (10) is sound-absorbing.
EP14157740.3A 2013-03-11 2014-03-05 Floor drain mounting device Active EP2778306B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013102374.6A DE102013102374A1 (en) 2013-03-11 2013-03-11 Floor drain assembly device

Publications (2)

Publication Number Publication Date
EP2778306A1 EP2778306A1 (en) 2014-09-17
EP2778306B1 true EP2778306B1 (en) 2020-08-12

Family

ID=50230939

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14157740.3A Active EP2778306B1 (en) 2013-03-11 2014-03-05 Floor drain mounting device

Country Status (3)

Country Link
EP (1) EP2778306B1 (en)
DE (1) DE102013102374A1 (en)
RU (1) RU2579763C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3527265B1 (en) * 2018-02-20 2021-08-25 ACO Severin Ahlmann GmbH & Co. KG Flame-retardant insert, drain and drain installation device
DE102018105726A1 (en) * 2018-02-20 2019-08-22 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Fire protection insert, drain and drain installation device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU927920A1 (en) * 1980-02-27 1982-05-15 Проектный Институт "Проектхимзащита" Drainage device in floor
US6504056B2 (en) 2001-05-01 2003-01-07 Basf Aktiengesellschaft Transport and/or storage of acrylic acid
DE20200625U1 (en) * 2001-12-12 2002-04-11 Aco Severin Ahlmann Gmbh & Co. Kg, 24768 Rendsburg Fire protection procedure
DE10349495A1 (en) * 2003-09-02 2005-03-31 Aco Severin Ahlmann Gmbh & Co. Kg Mounting set for the installation of a floor drain in a ceiling
DE10349798A1 (en) * 2003-10-24 2005-05-25 Dallmer Gmbh & Co. Kg Drainage device for mounting in a floor or ceiling opening
DE102004020251A1 (en) * 2004-04-26 2005-11-10 Dallmer Gmbh & Co. Kg Drain, for floors and roofs, has a unit inserted into the drain hole for connection to the drainpipe with a horizontal closure plate with slits to cover the gap between the unit and the wall of the opening
DE102005046149B4 (en) * 2005-09-27 2007-09-06 Aco Severin Ahlmann Gmbh & Co. Kg Device for removing surface water and for fire protection
US8191330B1 (en) * 2008-11-17 2012-06-05 Cornwall Kenneth R Firestop drain assembly
DE102011000270B4 (en) * 2011-01-21 2012-08-23 Franz Kaldewei Gmbh & Co. Kg sanitary tub

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2778306A1 (en) 2014-09-17
RU2579763C2 (en) 2016-04-10
RU2014109072A (en) 2015-09-20
DE102013102374A1 (en) 2014-09-11

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