EP0922907B1 - Pipe shaft with bend for an exhaust gas conduit of a heating system - Google Patents

Pipe shaft with bend for an exhaust gas conduit of a heating system Download PDF

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Publication number
EP0922907B1
EP0922907B1 EP98118609A EP98118609A EP0922907B1 EP 0922907 B1 EP0922907 B1 EP 0922907B1 EP 98118609 A EP98118609 A EP 98118609A EP 98118609 A EP98118609 A EP 98118609A EP 0922907 B1 EP0922907 B1 EP 0922907B1
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EP
European Patent Office
Prior art keywords
bend
pipe shaft
cleaning
cover
pipe
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.)
Expired - Lifetime
Application number
EP98118609A
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German (de)
French (fr)
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EP0922907A3 (en
EP0922907A2 (en
Inventor
Willi Skoberne
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Individual
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Publication of EP0922907A2 publication Critical patent/EP0922907A2/en
Publication of EP0922907A3 publication Critical patent/EP0922907A3/en
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Publication of EP0922907B1 publication Critical patent/EP0922907B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/20—Joints; Connections
    • F23J2213/201—Joints; Connections between stack and branch pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/60—Service arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/13004—Water draining devices associated with flues

Definitions

  • the invention relates to a pipe shaft with a deflection piece for one with all-round spacing in the pipe shaft arranged exhaust pipe of a heating system, the Pipe shaft below an upper vertical pipe connection and a horizontal connecting piece Deflection piece has a removable inspection cover.
  • Deflection pieces are known (EP 0 862 020 A2), in which the existing between the exhaust pipe and the pipe shaft
  • the supply line for fresh air for the heating system is annular forms.
  • the deflection piece is a pipe bend that allows the essentially horizontal Pipe from the heating system into the vertical exhaust pipe transforms. The cleaning can therefore only from the chimney head respectively. A visual inspection of the vertical exhaust pipe is not possible.
  • the object of the invention is therefore a deflection piece train the genus mentioned in such a way that in simple Way a cleaning and visual inspection of the vertical Exhaust pipe from below is possible.
  • the Deflection piece is designed as a T-piece and one in Extension of the upper vertical connecting piece lower cleaning nozzle that the lower cleaning nozzle through a removable cleaning cover is closed and that the cleaning cover one Condensate drain socket with a closable condensate drain having.
  • the removable cleaning lid allows the vertical Clean the exhaust pipe from below and in the same way as visually inspect the surrounding annular gap.
  • the condensate collected in the lower cleaning nozzle can be drained before removing the cleaning lid, by the condensate drain, preferably a closable one Drain valve is opened. Then the cleaning cover be removed without accumulated condensate flows out.
  • the cleaning cover is preferably under an intermediate layer a seal screwed to the cleaning nozzle. Thereby becomes closed against the leakage of Condensate sealed termination reached.
  • the condensate drain pipe a condensate drain hose wearing. This will drain the condensate in a container provided is simplified and facilitated.
  • the condensate drain hose is expediently folded arranged on the inside of the inspection cover, so that in the closed state of the inspection cover from is not visible from the outside and only unfolds when the Inspection cover of the pipe shaft is removed.
  • the drawing shows a vertical section through an as T-piece deflector 1 of an exhaust pipe Heating system.
  • the exhaust pipe is at a distance from all sides arranged in a pipe shaft 2.
  • a between the Exhaust pipe and the pipe shaft formed annular gap 3 is used as a supply line for fresh air to the heating system.
  • the deflection piece 1 has an upper vertical pipe connection 4, which acts as a connecting piece for a vertical exhaust pipe 5 serves the exhaust pipe.
  • the pipe shaft 2 is at its lower end with a removable inspection cover 7 closed. After losing weight of the inspection cover 7 can by visual inspection of the annular gap 3 are checked from below.
  • a lower cleaning nozzle extends on the deflection piece 1 8 down and is through a removable cleaning lid 9 closed.
  • the deflection piece 1 is at a distance surrounding T-piece of the pipe shaft 2 held, for example through web plates 10, 11.
  • the cleaning cover 9 designed as a cap and on the lower Screwed on end of the cleaning nozzle 8.
  • An annular Seal 12 seals the cleaning cover 9 against that Cleaning nozzle 8 from.
  • condensate drain socket 13 On the cleaning cover 9 there is a condensate drain socket 13 connected by only one in the drawing schematically indicated drain valve 14 is closed.
  • the condensate drain connector 13 carries one at its lower end Condensate drain hose 15 in the operating state shown folded on the inside of the inspection cover 7 is arranged.
  • the condensate drain nozzle 13 by means of a sealed screw connection 16 connected to the cleaning cover 9. It is understood that the Condensate drain pipe 13 in a different way with the Cleaning lid 9 connected or in one piece with this can be executed.
  • Condensate drain can also be designed in a different way.
  • the condensate drain pipe 13 by a removable closure body, for example a stopper or a cap.
  • a removable Closure body can also at the end of the condensate drain hose 15 or an outlet nozzle provided there be, which can also have a drain valve.
  • the condensate drain hose 15 by means of a To close the hose clamp.

Abstract

The pipe shaft (2) has a removable inspection cover (7) beneath the T-shaped deflector piece (1) possessing a top vertical pipe connection (4) and a horizontal connecting pipe (6). The top vertical pipe connection extends into a bottom cleaning pipe (8) closed by a screwed-on, removable cleaning-cover (9) with an intermediate seal (12). The cover has a condensate pipe with a drain (13) having a shutoff valve (14).

Description

Die Erfindung betrifft einen Rohrschacht mit einem Umlenkstück für eine mit allseitigem Abstand in dem Rohrschacht angeordnete Abgasleitung einer Heizungsanlage, wobei der Rohrschacht unterhalb des einen oberen vertikalen Rohranschluss und einen horizontalen Anschlussstutzen aufweisenden Umlenkstücks einen abnehmbaren Revisionsdeckel aufweist.The invention relates to a pipe shaft with a deflection piece for one with all-round spacing in the pipe shaft arranged exhaust pipe of a heating system, the Pipe shaft below an upper vertical pipe connection and a horizontal connecting piece Deflection piece has a removable inspection cover.

Es sind Umlenkstücke bekannt (EP 0 862 020 A2), bei welchen der zwischen der Abgasleitung und dem Rohrschacht bestehende Ringspalt die Zufuhrleitung für Frischluft, für die Heizungsanlage bildet. Zur Überprüfung des freien Durchgangs im Ringspalt ist der Rohrschacht an seinem unteren Ende mit einem abnehmbaren Revisionsdeckel versehen. Das Umlenkstück ist ein Rohrknie, mit dem die im wesentlichen horizontale Leitung von der Heizungsanlage in das vertikale Abgasrohr übergeht. Die Reinigung kann daher nur vom Kaminkopf her erfolgen. Eine Sichtprüfung des vertikalen Abgasrohres ist nicht möglich.Deflection pieces are known (EP 0 862 020 A2), in which the existing between the exhaust pipe and the pipe shaft The supply line for fresh air for the heating system is annular forms. To check the free passage in The lower part of the pipe shaft is an annular gap provided with a removable inspection cover. The deflection piece is a pipe bend that allows the essentially horizontal Pipe from the heating system into the vertical exhaust pipe transforms. The cleaning can therefore only from the chimney head respectively. A visual inspection of the vertical exhaust pipe is not possible.

Aufgabe der Erfindung ist es daher, ein Umlenkstück der eingangs genannten Gattung so auszubilden, dass in einfacher Weise eine Reinigung und Sichtprüfung des vertikalen Abgasrohrs von unten her möglich ist. The object of the invention is therefore a deflection piece train the genus mentioned in such a way that in simple Way a cleaning and visual inspection of the vertical Exhaust pipe from below is possible.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Umlenkstück als T-Stück ausgeführt ist und einen in Verlängerung des oberen vertikalen Anschlußstutzens liegenden unteren Reinigungsstutzen aufweist, daß der untere Reinigungsstutzen durch einen abnehmbaren Reinigungsdeckel verschlossen ist und daß der Reinigungsdeckel einen Kondensatablaßstutzen mit einem verschließbaren Kondensatablaß aufweist.This object is achieved in that the Deflection piece is designed as a T-piece and one in Extension of the upper vertical connecting piece lower cleaning nozzle that the lower cleaning nozzle through a removable cleaning cover is closed and that the cleaning cover one Condensate drain socket with a closable condensate drain having.

Der abnehmbare Reinigungsdeckel ermöglicht es, das vertikale Abgasrohr von unten her zu reinigen und in gleicher Weise wie den umgebenden Ringspalt einer Sichtprüfung zu unterziehen. Das im unteren Reinigungsstutzen angesammelte Kondensat kann vor dem Abnehmen des Reinigungsdeckels abgelassen werden, indem der Kondensatablaß, vorzugsweise ein verschließbares Ablaßventil, geöffnet wird. Danach kann der Reinigungsdeckel abgenommen werden, ohne daß angesammeltes Kondensat herausfließt.The removable cleaning lid allows the vertical Clean the exhaust pipe from below and in the same way as visually inspect the surrounding annular gap. The condensate collected in the lower cleaning nozzle can be drained before removing the cleaning lid, by the condensate drain, preferably a closable one Drain valve is opened. Then the cleaning cover be removed without accumulated condensate flows out.

Da das vertikale Abgasrohr nach dem Abnehmen des Reinigungsdeckels von unten her gereinigt werden kann, entfällt die Notwendigkeit, am Kaminkopf einen Dachausstieg und ein Standbrett für den Schornsteinfeger vorzusehen. Damit wird der erforderliche Bauaufwand bei Neubauten wesentlich verringert.Because the vertical exhaust pipe after removing the cleaning cover can be cleaned from below, the Need a roof hatch and a at the chimney head Stand for the chimney sweep. So that will the necessary construction work for new buildings is essential reduced.

Vorzugsweise ist der Reinigungsdeckel unter Zwischenlage einer Dichtung mit dem Reinigungsstutzen verschraubt. Dadurch wird im verschlossenen Zustand ein gegen den Austritt von Kondensat abgedichteter Abschluß erreicht. The cleaning cover is preferably under an intermediate layer a seal screwed to the cleaning nozzle. Thereby becomes closed against the leakage of Condensate sealed termination reached.

Gemäß einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, daß der Kondensatablaßstutzen einen Kondensatablaßschlauch trägt. Damit wird das Ablassen des Kondensats in einen bereitgestellten Behälter vereinfacht und erleichtert.According to a preferred embodiment of the invention provided that the condensate drain pipe a condensate drain hose wearing. This will drain the condensate in a container provided is simplified and facilitated.

Zweckmäßigerweise ist der Kondensatablaßschlauch zusammengelegt auf der Innenseite des Revisionsdeckels angeordnet, so daß er im verschlossenen Zustand des Revisionsdeckels von außen nicht sichtbar ist und sich erst entfaltet, wenn der Revisionsdeckel des Rohrschachts abgenommen wird.The condensate drain hose is expediently folded arranged on the inside of the inspection cover, so that in the closed state of the inspection cover from is not visible from the outside and only unfolds when the Inspection cover of the pipe shaft is removed.

Weitere vorteilhafte Ausgestaltungen des Erfindungsgedankens sind Gegenstand weiterer Unteransprüche.Further advantageous refinements of the inventive concept are the subject of further subclaims.

Nachfolgend wird ein Ausführungsbeispiel der Erfindung näher erläutert, das in der Zeichnung dargestellt ist.An exemplary embodiment of the invention is described in more detail below explained, which is shown in the drawing.

Die Zeichnung zeigt einen senkrechten Schnitt durch ein als T-Stück ausgeführtes Umlenkstück 1 einer Abgasleitung einer Heizungsanlage. Die Abgasleitung ist mit allseitigem Abstand in einem Rohrschacht 2 angeordnet. Ein zwischen der Abgasleitung und dem Rohrschacht gebildeter Ringspalt 3 dient als Zufuhrleitung für Frischluft zur Heizungsanlage.The drawing shows a vertical section through an as T-piece deflector 1 of an exhaust pipe Heating system. The exhaust pipe is at a distance from all sides arranged in a pipe shaft 2. A between the Exhaust pipe and the pipe shaft formed annular gap 3 is used as a supply line for fresh air to the heating system.

Das Umlenkstück 1 weist einen oberen vertikalen Rohranschluß 4 auf, der als Anschlußstutzen für ein vertikales Abgasrohr 5 der Abgasleitung dient.The deflection piece 1 has an upper vertical pipe connection 4, which acts as a connecting piece for a vertical exhaust pipe 5 serves the exhaust pipe.

Von dem oberen vertikalen Rohranschluß 4 zweigt ein angenähert horizontaler Anschlußstutzen 6 ab, der zur Heizungsanlage führt und mit Gefälle zur Heizungsanlage hin ausgeführt ist, damit das sich in der Abgasleitung sammelnde Kondensat zur Brennstelle hin abfließt.From the upper vertical pipe connection 4 branches Approximately horizontal connector 6 from the Heating system leads and with a slope to the heating system is carried out so that the collected in the exhaust pipe Condensate flows out to the burning point.

Der Rohrschacht 2 ist an seinem unteren Ende mit einem abnehmbaren Revisionsdeckel 7 verschlossen. Nach dem Abnehmen des Revisionsdeckels 7 kann durch Sichtprüfung der Ringspalt 3 von unten kontrolliert werden.The pipe shaft 2 is at its lower end with a removable inspection cover 7 closed. After losing weight of the inspection cover 7 can by visual inspection of the annular gap 3 are checked from below.

In Verlängerung des oberen vertikalen Anschlußstutzens 4 erstreckt sich am Umlenkstück 1 ein unterer Reinigungsstutzen 8 nach unten und ist durch einen abnehmbaren Reinigungsdeckel 9 verschlossen. Das Umlenkstück 1 wird in dem mit Abstand umgebenden T-Stück des Rohrschachts 2 gehalten, beispielsweise durch Stegbleche 10, 11.In extension of the upper vertical connector 4 a lower cleaning nozzle extends on the deflection piece 1 8 down and is through a removable cleaning lid 9 closed. The deflection piece 1 is at a distance surrounding T-piece of the pipe shaft 2 held, for example through web plates 10, 11.

Bei dem dargestellten Ausführungsbeispiel ist der Reinigungsdeckel 9 als Überwurfdeckel ausgeführt und auf das untere Ende des Reinigungsstutzens 8 aufgeschraubt. Eine ringförmige Dichtung 12 dichtet den Reinigungsdeckel 9 gegenüber dem Reinigungsstutzen 8 ab.In the illustrated embodiment, the cleaning cover 9 designed as a cap and on the lower Screwed on end of the cleaning nozzle 8. An annular Seal 12 seals the cleaning cover 9 against that Cleaning nozzle 8 from.

An den Reinigungsdeckel 9 ist ein Kondensatablaßstutzen 13 angeschlossen, der durch ein in der Zeichnung nur schematisch angedeutetes Ablaßventil 14 verschlossen ist. Der Kondensatablaßstutzen 13 trägt an seinem unteren Ende einen Kondensatablaßschlauch 15, der im dargestellten Betriebszustand zusammengelegt auf der Innenseite des Revisionsdeckels 7 angeordnet ist. On the cleaning cover 9 there is a condensate drain socket 13 connected by only one in the drawing schematically indicated drain valve 14 is closed. The condensate drain connector 13 carries one at its lower end Condensate drain hose 15 in the operating state shown folded on the inside of the inspection cover 7 is arranged.

Beim dargestellten Ausführungsbeispiel ist der Kondensatablaßstutzen 13 mittels einer abgedicheten Verschraubung 16 mit dem Reinigungsdeckel 9 verbunden. Es versteht sich, daß der Kondensatablaßstutzen 13 auch in anderer Weise mit dem Reinigungsdeckel 9 verbunden oder einstückig mit diesem ausgeführt sein kann.In the illustrated embodiment, the condensate drain nozzle 13 by means of a sealed screw connection 16 connected to the cleaning cover 9. It is understood that the Condensate drain pipe 13 in a different way with the Cleaning lid 9 connected or in one piece with this can be executed.

Wenn die Abgasleitung kontrolliert werden soll, wird zunächst der Revisionsdeckel 7 abgenommen, so daß eine Sichtprüfung des Ringspalts 4 erfolgen kann. Durch Öffnen des Ablaßventils 14 wird das im Reinigungsstutzen 8 angesammelte flüssige Kondensat über den Kondensatablaßschlauch 15 in einen Sammelbehälter abgelassen, bevor der Reinigungsdeckel 9 vom Reinigungsstutzen 8 abgeschraubt wird. Sodann steht die Abgasleitung für eine Sichtprüfung und ggf. einen Reinigungsvorgang bereit, der von unten her ausgeführt werden kann.If the exhaust pipe is to be checked, first of all the inspection cover 7 removed, so that a visual inspection of the annular gap 4 can take place. By opening the drain valve 14 becomes the liquid accumulated in the cleaning nozzle 8 Condensate via the condensate drain hose 15 in one Drain the container before the cleaning lid 9 from Cleaning nozzle 8 is unscrewed. Then it stands Exhaust pipe for a visual inspection and possibly a cleaning process ready that can be run from below.

Danach wird der Reinigungsdeckel 9 wieder auf den Reinigungsstutzen 8 aufgeschraubt. Das Ablaßventil 14 wird verschlossen und der Kondensatablaßschlauch 15 wird in den Revisionsdeckel 7 gelegt, der schließlich auf das untere Ende des Rohrschachtes 2 aufgeschraubt wird.Then the cleaning cover 9 is again on the cleaning nozzle 8 screwed on. The drain valve 14 is closed and the condensate drain hose 15 is in the inspection cover 7, which is finally placed on the lower end of the pipe shaft 2 is screwed on.

Anstelle der dargestellten Ausführung mit einem Ablaßventil 14 im Kondensatablaßstutzen 13 kann der verschließbare Kondensatablaß auch in anderer Weise ausgeführt sein. Beispielsweise kann der Kondensatablaßstutzen 13 durch einen abnehmbaren Verschlußkörper, beispielsweise einen Stopfen oder eine Kappe, verschlossen sein. Ein solcher abnehmbarer Verschlußkörper kann auch am Ende des Kondensatablaßschlauches 15 oder einer dort angebrachten Auslaßtülle vorgesehen sein, die auch ein Ablaßventil aufweisen kann. Es ist auch möglich, den Kondensatablaßschlauch 15 mittels einer Schlauchklemme zu verschließen.Instead of the embodiment shown with a drain valve 14 in the condensate drain pipe 13 can be closed Condensate drain can also be designed in a different way. For example, the condensate drain pipe 13 by a removable closure body, for example a stopper or a cap. Such a removable Closure body can also at the end of the condensate drain hose 15 or an outlet nozzle provided there be, which can also have a drain valve. It is also possible, the condensate drain hose 15 by means of a To close the hose clamp.

Claims (8)

  1. Pipe shaft (2) with a bend (1) for an exhaust gas conduit of a heating system, the gas conduit being situated in the pipe shaft (2) with distance on all sides, the pipe shaft (2) having a removable revision cover (7) below the bend, which has an upper vertical conduit joint (4) and a horizontal connecting nozzle (6), characterized in that the bend (1) is realised as a T-piece and has a lower cleaning nozzle (8) situated in line with the upper vertical conduit joint (4), that the lower cleaning nozzle (8) is closed by a removable cleaning cover (9), and that the cleaning cover (9) has a condensate discharge nozzle (13) with a closeable condensate discharge means.
  2. Pipe shaft (2) according to claim 1 with a bend (1), characterized in that the condensate discharge nozzle (13) has a closeable discharge valve (14).
  3. Pipe shaft (2) according to claim 1 with a bend (1), characterized in that the condensate discharge nozzle (13) is closeable by a removable closing piece.
  4. Pipe shaft (2) according to claim 1 with a bend (1), characterized in that the cleaning cover (9) is screwed with the cleaning nozzle (8), with a seal (12) in between.
  5. Pipe shaft (2) according to claim 1 with a bend (1), characterized in that the condensate discharge nozzle (13) bears a condensate discharge hose (15).
  6. Pipe shaft (2) according to claim 5 with a bend (1), characterized in that the condensate discharge hose (15) is closable by a hose clip.
  7. Pipe shaft (2) according to claim 5 with a bend (1), characterized in that the condensate discharge hose is closable by a removable closure piece or a discharge valve.
  8. Pipe shaft (2) according to claim 3 with a bend (1), characterized in that the condensate discharge hose (15) is situated folded up at the inner side of the revision cover (7).
EP98118609A 1997-12-12 1998-10-01 Pipe shaft with bend for an exhaust gas conduit of a heating system Expired - Lifetime EP0922907B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19755226 1997-12-12
DE19755226A DE19755226A1 (en) 1997-12-12 1997-12-12 Deflection piece for an exhaust pipe of a heating system

Publications (3)

Publication Number Publication Date
EP0922907A2 EP0922907A2 (en) 1999-06-16
EP0922907A3 EP0922907A3 (en) 1999-12-29
EP0922907B1 true EP0922907B1 (en) 2003-04-23

Family

ID=7851658

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98118609A Expired - Lifetime EP0922907B1 (en) 1997-12-12 1998-10-01 Pipe shaft with bend for an exhaust gas conduit of a heating system

Country Status (3)

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EP (1) EP0922907B1 (en)
AT (1) ATE238519T1 (en)
DE (2) DE19755226A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10352847B3 (en) 2003-11-10 2004-12-09 Steag Encotec Gmbh Process for reducing a chimney pulling action comprises immersing a lower open chimney tube in a sink, forming a liquid barrier as an end of the chimney tube, and releasing pressure of the flue gas purification system
GB2489425A (en) * 2011-03-25 2012-10-03 Adey Holdings 2008 Ltd Preventing freezing in a boiler condensate drain pipe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8420443U1 (en) * 1984-09-27 TONA Tonwerk Schmitz GmbH, 5353 Mechernich Foundation block for cold chimneys
DK0443223T3 (en) * 1990-02-19 1993-11-08 Ldw Metall Verarbeitung Gmbh Pipe sections for one of several sections of pipeline
DE9105119U1 (en) * 1991-04-25 1993-03-04 H. Schlegel Ag, Kaminbau, Kirchberg, Ch
DE9109780U1 (en) * 1991-08-07 1992-12-03 Delta-Wohnbau Gmbh, 7913 Senden, De
DE9111394U1 (en) * 1991-09-13 1992-01-23 Viessmann, Hans, Dr., 3559 Battenberg, De
DE9303502U1 (en) * 1993-03-10 1993-05-27 Schneider, Guenther, Dipl.-Ing., 8650 Kulmbach, De
CH688872A5 (en) * 1993-11-04 1998-04-30 Horst Wunsch A condensation flue.
DE19621613C2 (en) * 1996-05-30 2001-05-03 Ct Therm Abgastechnik Gmbh T-shaped pipe section for an exhaust pipe
DE19707592C2 (en) * 1997-02-26 1998-12-17 Skoberne Willi Ceiling duct for an exhaust pipe from a heating system

Also Published As

Publication number Publication date
DE59808048D1 (en) 2003-05-28
DE19755226A1 (en) 1999-06-24
ATE238519T1 (en) 2003-05-15
EP0922907A3 (en) 1999-12-29
EP0922907A2 (en) 1999-06-16

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