EP0350798A1 - Downspout strainer - Google Patents

Downspout strainer Download PDF

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Publication number
EP0350798A1
EP0350798A1 EP89112415A EP89112415A EP0350798A1 EP 0350798 A1 EP0350798 A1 EP 0350798A1 EP 89112415 A EP89112415 A EP 89112415A EP 89112415 A EP89112415 A EP 89112415A EP 0350798 A1 EP0350798 A1 EP 0350798A1
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EP
European Patent Office
Prior art keywords
section
tubular
cylindrical section
pipe
strainer
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Granted
Application number
EP89112415A
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German (de)
French (fr)
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EP0350798B1 (en
Inventor
Gerhard Berbott
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Individual
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Individual
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Publication date
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Priority to AT89112415T priority Critical patent/ATE90412T1/en
Publication of EP0350798A1 publication Critical patent/EP0350798A1/en
Application granted granted Critical
Publication of EP0350798B1 publication Critical patent/EP0350798B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • E04D2013/0413—Strainers for drainage outlets

Definitions

  • the invention relates to a tubular screen.
  • Pipe sieves are used, for example, to protect rainwater drainage pipes from houses from clogging by leaf leaves or to close chimneys so that birds cannot nest in them or even fall into them.
  • a tubular sieve which consists of a plurality of wire pieces bent from individual wire lengths with open ends pointing in the same direction, which are fastened between two interconnected leaflets, one of which leaflets has bent tongues, that overlap the wire pieces at their open ends.
  • the object of the invention is to provide a tubular screen which can be produced in a simple manner by means of an automatic machine, but which is structurally designed in such a way that when used as a pipe cover for rainwater drainage pipes of houses it is ensured that leaf leaves of small size are unhindered by the pipe strainer get into the rain drain pipe can or when used as a closure in chimneys it is ensured that birds cannot nest or fall into the chimney.
  • the tubular strainer according to the invention is characterized in that it is formed from a one-piece wire which is wound helically, the tubular strainer having a cylindrical section which can be inserted into the pipe and a section of larger diameter adjoining this.
  • the cylindrical section is thus designed in the manner of a helical spring, to which the section of larger diameter adjoins.
  • the cylindrical section can be inserted into the cylindrical chimney opening or into the cylindrical opening of the rain drain pipe, it not being necessary for the tubular strainer to be held in the pipe in the region of the cylindrical section in the manner of an interference fit.
  • the cylindrical section has a sufficient length and a slightly smaller outside diameter than the inside diameter of the tube.
  • the outside diameter of the cylindrical section is slightly larger than the inside diameter of the tube.
  • the two first and / or last windings of the cylindrical section are designed as windings which come into contact with one another.
  • the tubular screen is preferably made of galvanized steel force, which can also be plastic-coated, or of copper or stainless steel.
  • the inventive design of the tubular strainer in the manner of a wound element makes it possible to vary winding distances and wire thicknesses in a simple manner, with which a variety of different tubular strainers can be provided. There is also the possibility to shape the spring, so that it can not only be used in a cylindrical tube cross section.
  • the figures show the tubular screen 1 according to the invention, which has a cylindrical section 2 and a spherical or onion-shaped section 3 directly adjoining this.
  • the tubular strainer is wound from a one-piece wire 4.
  • the cylindrical section 2 of the tubular sieve initially has two wire sections 4a and 4b which come directly into contact with one another in the region of its end facing away from the spherical section 3, the wire section 4b is adjoined by a helical section with larger-spaced wire sections 4c, adjacent to the spherical section 3 again two wire sections 4d and 4e directly on top of each other.
  • the wire section 4e is adjoined by the spherical section 3, which is enlarged in terms of its outer diameter compared to the outer diameter of the cylindrical section 2, with the same spiral spacings, the wire sections initially expanding in their outer diameter up to the center of the spherical section 3 and then up to the end 4f of the wire taper continuously, so that the spherical section 3 presents itself as a spiral spring.
  • FIG. 3 the pipe screen 1 inserted into a cylindrical pipe opening 5 of a chimney 6 is shown.
  • the outside diameter of the cylindrical section 2 is slightly larger than the inside diameter of the pipe opening 5, an insert zen of the tubular screen 1 with a rotational movement about the longitudinal axis 7 of the tube screen leads to a reduction in the outer diameter of the cylindrical section 2, with which the tubular screen can be used with this section in the tube opening 5 and after completion of the turning process the cylindrical section 2 against the wall 8 of the Chimneys 6 braced.
  • the superimposed wire sections 4a and 4b or 4d and 4e of the cylindrical section 2 give the tubular screen 1 in the area of the cylindrical section 2 a special rigidity and thus an increased hold in the pipe opening 5 of the chimney 6.

Abstract

The downspout strainer (1) is formed from a one-piece wire (4) which is coiled in the shape of a spiral, the downspout strainer having a cylindrical portion (2) which can be inserted into the pipe (8) and a portion (3) of larger diameter adjoining this portion. The configuration of the downspout strainer according to the invention makes it easy to manufacture by means of an automatic machine, the downspout strainer being constructed in this case in such a way that, when used as a pipe covering for rainwater drainpipes of houses, it is ensured that small-sized leaves can pass unhindered through the downspout strainer into the rainwater drainpipe or, when used as a closing safety device in chimneys, it is ensured that birds cannot nest in the chimney or fall into it. <IMAGE>

Description

Die Erfindung betrifft ein Rohrsieb.The invention relates to a tubular screen.

Rohrsiebe werden verwandt, um beispielsweise Regenabflußrohre von Häusern gegen eine Verstopfung durch Blattlaub zu schützen oder aber, um Kamine so zu verschließen, daß Vögel in ihnen nicht nisten können oder gar in diese fallen. Aus der DE-OS 32 07 604 ist ein Rohrsieb bekannt, das aus mehreren, aus ein­zelnen Drahtlängen gebogenen Drahtstücken mit gleichsinnig ge­richteten offenen Enden besteht, die zwischen zwei miteinander verbundenen Blättchen befestigt sind, von denen das eine Blätt­chen zum anderen Blättchen abgebogene Zungen aufweist, die die Drahtstücke an ihren offenen Enden übergreifen. Obwohl sich dieses Rohrsieb in der Praxis weitgehend bewehrt hat, ist es nur mit einem recht hohen Aufwand herstellbar. Auch hat sich gezeigt, daß solche Rohrsiebe aufgrund der im wesentlichen in Längsrichtung des Rohres orientierten Drahtstücke unter Um­ständen von Vögeln aus dem Kamin gezogen werden oder aber in­folge der Orientierung der Drahtstücke sich so viel Blattlaub vor dem Rohrsieb ansammelt, daß der Abfluß zum sich an die Re­genrinne anschließenden Abflußrohr behindert ist.Pipe sieves are used, for example, to protect rainwater drainage pipes from houses from clogging by leaf leaves or to close chimneys so that birds cannot nest in them or even fall into them. From DE-OS 32 07 604 a tubular sieve is known which consists of a plurality of wire pieces bent from individual wire lengths with open ends pointing in the same direction, which are fastened between two interconnected leaflets, one of which leaflets has bent tongues, that overlap the wire pieces at their open ends. Although this tubular screen has largely proven itself in practice, it can only be produced with a great deal of effort. It has also been shown that due to the wire pieces oriented essentially in the longitudinal direction of the tube, such tubular screens may be pulled out of the chimney by birds or due to the orientation of the wire pieces, so much leaf foliage accumulates in front of the tubular screen that the outflow to itself Rain gutter connecting drain pipe is obstructed.

Aufgabe der Erfindung ist es, ein Rohrsieb zu schaffen, das auf einfache Art und Weise mittels eines Automaten hergestellt werden kann und dabei aber baulich so gestaltet ist, daß bei einer Verwendung als Rohrabdeckung für Regenabflußrohre von Häusern sichergestellt ist, daß Blattlaub geringer Größe unge­hindert durch das Rohrsieb in das Regenabflußrohr gelangen kann bzw. bei einer Verwendung als Abschluß bei Kaminen si­chergestellt ist, daß Vögel nicht im Kamin nisten können oder in diesen fallen.The object of the invention is to provide a tubular screen which can be produced in a simple manner by means of an automatic machine, but which is structurally designed in such a way that when used as a pipe cover for rainwater drainage pipes of houses it is ensured that leaf leaves of small size are unhindered by the pipe strainer get into the rain drain pipe can or when used as a closure in chimneys it is ensured that birds cannot nest or fall into the chimney.

Das erfindungsgemäße Rohrsieb ist dadurch gekennzeichnet, daß es aus einem einstückigen Draht gebildet ist, der wendelförmig gewickelt ist, wobei das Rohrsieb einen in das Rohr einsteck­baren zylindrischen Abschnitt und einen sich an diesen an­schließenden Abschnitt größeren Durchmessers aufweist.The tubular strainer according to the invention is characterized in that it is formed from a one-piece wire which is wound helically, the tubular strainer having a cylindrical section which can be inserted into the pipe and a section of larger diameter adjoining this.

Bei dem erfindungsgemäßen Rohrsieb ist somit der zylindrische Abschnitt in Art einer Schraubenfeder ausgebildet, an den sich der Abschnitt größeren Durchmessers anschließt. Der zylindri­sche Abschnitt ist in die zylindrische Kaminöffnung einsteck­bar, bzw. in die zylindrische Öffnung des Regenabflußrohres, wobei es nicht erforderlich ist, daß das Rohrsieb im Bereich des zylindrischen Abschnittes in Art einer Preßpassung im Rohr gehalten wird. In aller Regel wird es ausreichend sein, wenn der zylindrische Abschnitt eine ausreichende Länge aufweist und einen geringfügig geringeren Außendurchmesser als es der Innendurchmesser des Rohres darstellt. Als vorteilhaft wird es jedoch angesehen, wenn der Außendurchmesser des zylindri­schen Abschnittes geringfügig größer ist als der Innendurch­messer des Rohres. Wird das Rohrsieb in Art einer Schrauben­drehbewegung in das Rohr eingesetzt, so führt dies aufgrund der Ausbildung des zylindrischen Abschnittes in Art einer Schraubenfeder dazu, daß sich während der Drehbewegung des Rohrsiebes ein geringfügig reduzierter Außendurchmesser ein­stellt, der es ermöglicht, das Rohrsieb mit dem zylindrischen Abschnitt in das Rohr einzusetzen. Nach Beendigung der Drehbe­wegung entspannt sich die Schraubenfeder, wodurch die einzel­nen Wicklungen des zylindrischen Abschnittes des Rohrsiebes gegen die Rohrinnenwand gepreßt werden und so das Rohrsieb sicher im Rohr halten. Die Abstimmung der Durchmesser des zy­lindrischen Abschnittes und des Rohres ermöglicht somit,einen sicheren Halt des Rohrsiebes im Rohr selbst bei geringen Län­gen des zylindrischen Abschnittes sicherzustellen.In the tubular screen according to the invention, the cylindrical section is thus designed in the manner of a helical spring, to which the section of larger diameter adjoins. The cylindrical section can be inserted into the cylindrical chimney opening or into the cylindrical opening of the rain drain pipe, it not being necessary for the tubular strainer to be held in the pipe in the region of the cylindrical section in the manner of an interference fit. As a rule, it will be sufficient if the cylindrical section has a sufficient length and a slightly smaller outside diameter than the inside diameter of the tube. However, it is considered advantageous if the outside diameter of the cylindrical section is slightly larger than the inside diameter of the tube. If the tubular strainer is inserted into the tube in the manner of a screw rotation, this leads, owing to the design of the cylindrical section in the manner of a coil spring, to result in a slightly reduced outer diameter during the rotary movement of the tubular strainer, which enables the tubular strainer with the cylindrical section insert into the pipe. After the rotary movement has ended, the helical spring relaxes, as a result of which the individual windings of the cylindrical section of the tubular screen are pressed against the inner wall of the tube and thus hold the tubular screen securely in the tube. The coordination of the diameter of the cylindrical section and the tube thus enables a secure hold of the tubular screen in the tube even with short lengths of the cylindrical section.

Von besonderer Bedeutung ist bei cem erfindungsgemäßen Rohr­sieb, daß die Drahtwicklungen in der Ebene der Rohröffnung verlaufen und nicht in Längsachse des Rohres, wie beim Stand der Technik. Dies führt dazu, daß in der Ebene der Drahtwick­lungen durch die Regenrinne herbeigefördertes Blattlaub durch das Rohrsieb dem Regenabflußrohr zugefördert werden kann, wenn es so geringe Abmessungen aufweist, daß es durch den Zwischen­raum zwischen zwei Wicklungen paßt. Das erfindungsgemäße Rohr­sieb hält somit nur Blattlaub größerer Abmessungen, welches in aller Regel zur Verstopfung des Regenabflußrohres führt, zurück, während Blattlaub geringerer Abmessungen ungehindert das Rohrsieb passieren kann und durch das Regenabflußrohr ab­geführt wird.It is particularly important in the case of a tubular screen according to the invention that the wire windings run in the plane of the tube opening and not in the longitudinal axis of the tube, as in the prior art. This leads to the fact that in the plane of the wire windings, leaf foliage brought in by the rain gutter can be conveyed through the pipe strainer to the rain drain pipe if it has such small dimensions that it fits through the space between two windings. The tubular strainer according to the invention thus only holds back leaf leaves of larger dimensions, which generally leads to blockage of the rain drain pipe, while leaf leaves of smaller dimensions can pass through the tubular strainer unhindered and are discharged through the rain drain pipe.

Um dem Rohrsieb insbesondere im Bereich des zylindrischen Ab­schnittes eine besondere Stabilität zu verleihen, ist gemäß einer besonderen Ausführungsform der Erfindung vorgesehen, daß die beiden ersten und/oder letzten Wicklungen des zylindri­schen Abschnittes als in Anlage miteinander gelangende Wick­lungen ausgebildet sind.In order to give the tubular screen a particular stability, in particular in the region of the cylindrical section, it is provided according to a particular embodiment of the invention that the two first and / or last windings of the cylindrical section are designed as windings which come into contact with one another.

Prinzipiell ist es nur erforderlich, daß der sich an den in das Rohr einsteckbaren zylindrischen Abschnitt anschließende, außerhalb des Rohres befindliche Abschnitt, einen größeren Durchmesser als der zylindrische Abschnitt aufweist. In diesem Zusammenhang wird es aber aus Fertigungs- und Montagegründen als vorteilhaft angesehen, wenn der sich an den zylindrischen Abschnitt anschließende Abschnitt kugelförmig ausgebildet ist.In principle, it is only necessary that the section which is adjacent to the cylindrical section which can be inserted into the pipe and which is outside the pipe has a larger diameter than the cylindrical section. In this context, however, it is considered advantageous for manufacturing and assembly reasons if the section adjoining the cylindrical section is spherical.

Das Rohrsieb besteht vorzugsweise aus verzinktem Stahldraft, der darüberhinaus noch kunststoffbeschichtet sein kann, oder aus Kupfer oder Edelstahl.The tubular screen is preferably made of galvanized steel force, which can also be plastic-coated, or of copper or stainless steel.

Die erfindungsgemäße Gestaltung des Rohrsiebes in Art eines gewickelten Elementes ermöglicht es, auf einfache Art und Wei­se Wicklungsabstände und Drahtstärken zu variieren, womit eine Vielfalt unterschiedlicher Rohrsiebe bereitgestellt werden kann. Zudem besteht die Möglichkeit, die Feder zu formen, so daß sie nicht nur in einen zylindrischen Rohrquerschnitt ein­gesetzt werden kann.The inventive design of the tubular strainer in the manner of a wound element makes it possible to vary winding distances and wire thicknesses in a simple manner, with which a variety of different tubular strainers can be provided. There is also the possibility to shape the spring, so that it can not only be used in a cylindrical tube cross section.

In den Figuren 1 bis 3 ist die Erfindung an einer Ausführungs­form beispielsweise dargestellt, ohne auf diese Ausführungs­form beschränkt zu sein. Es zeigt:

  • Figur 1 eine Seitenansicht des Rohrsiebes,
  • Figur 2 eine Draufsicht des Rohrsiebes gemäß Pfeil A in Figur 1 und
  • Figur 3 einen Schnitt durch eine Kaminöffnung mit in diesem eingesetzten Rohrsieb in einer Darstellung gemäß Fi­gur 1.
In the figures 1 to 3, the invention is shown for example in one embodiment, without being limited to this embodiment. It shows:
  • FIG. 1 shows a side view of the tubular screen,
  • Figure 2 is a plan view of the tubular screen according to arrow A in Figure 1 and
  • FIG. 3 shows a section through a chimney opening with a tubular sieve inserted therein in a representation according to FIG. 1.

Die Figuren zeigen das erfindungsgemäße Rohrsieb 1, das einen zylindrischen Abschnitt 2 und einen sich unmittelbar an diesen anschließenden kugelförmigen bzw. zwiebelförmigen Abschnitt 3 aufweist. Das Rohrsieb ist aus einem einstückigen Draht 4 gewickelt. Der zylindrische Abschnitt 2 des Rohrsiebes weist im Bereiches seines dem kugelförmigen Abschnitt 3 abgewandten Endes zunächst zwei unmittelbar in Anlage miteinander gelan­gende Drahtabschnitte 4a und 4b auf, an den Drahtabschnitt 4b schließt sich ein Wendelabschnitt mit größer beabstandeten Drahtabschnitten 4c an, benachbart zum kugelförmigen Abschnitt 3 liegen wieder zwei Drahtabschnitte 4d und 4e unmittelbar aufeinander. An den Drahtabschnitt 4e schließt sich der bezüg­lich seines Außendurchmessers gegenüber dem Außendurchmesser des zylindrischen Abschnittes 2 vergrößerte kugelförmige Ab­schnitt 3 an mit gleichen Wendelabständen, wobei sich die Drahtabschnitte in ihrem Außendurchmesser zunächst bis zur Mitte des kugelförmigen Abschnittes 3 erweitern und dann bis zum Ende 4f des Drahtes hin stetig verjüngen, so daß sich der kugelförmige Abschnitt 3 quasi als Spiralfeder darstellt.The figures show the tubular screen 1 according to the invention, which has a cylindrical section 2 and a spherical or onion-shaped section 3 directly adjoining this. The tubular strainer is wound from a one-piece wire 4. The cylindrical section 2 of the tubular sieve initially has two wire sections 4a and 4b which come directly into contact with one another in the region of its end facing away from the spherical section 3, the wire section 4b is adjoined by a helical section with larger-spaced wire sections 4c, adjacent to the spherical section 3 again two wire sections 4d and 4e directly on top of each other. The wire section 4e is adjoined by the spherical section 3, which is enlarged in terms of its outer diameter compared to the outer diameter of the cylindrical section 2, with the same spiral spacings, the wire sections initially expanding in their outer diameter up to the center of the spherical section 3 and then up to the end 4f of the wire taper continuously, so that the spherical section 3 presents itself as a spiral spring.

In der Figur 3 ist das in eine zylindrische Rohröffnung 5 eines Kamines 6 eingesetzte Rohrsieb 1 gezeigt. Der Außen­durchmesser des zylindrischen Abschnittes 2 ist geringfügig größer als der Innendurchmesser der Rohröffnung 5, ein Einset­ zen des Rohrsiebes 1 unter einer Drehbewegung um die Rohrsieb­längsachse 7 führt zu einer Reduzierung des Außendurchmessers des zylindrischen Abschnittes 2, womit das Rohrsieb mit diesem Abschnitt in die Rohröffnung 5 eingesetzt werden kann und nach Beendigung des Drehvorganges der zylindrische Abschnitt 2 sich gegen die Wandung 8 des Kamines 6 verspannt. Die aufeinander­liegenden Drahtabschnitte 4a und 4b bzw. 4d und 4e des zylin­drischen Abschnittes 2 verleihen dabei dem Rohrsieb 1 im Be­reich des zylindrischen Abschnittes 2 eine besondere Steifig­keit und damit einen erhöhten Halt in der Rohröffnung 5 des Kamines 6.In FIG. 3, the pipe screen 1 inserted into a cylindrical pipe opening 5 of a chimney 6 is shown. The outside diameter of the cylindrical section 2 is slightly larger than the inside diameter of the pipe opening 5, an insert zen of the tubular screen 1 with a rotational movement about the longitudinal axis 7 of the tube screen leads to a reduction in the outer diameter of the cylindrical section 2, with which the tubular screen can be used with this section in the tube opening 5 and after completion of the turning process the cylindrical section 2 against the wall 8 of the Chimneys 6 braced. The superimposed wire sections 4a and 4b or 4d and 4e of the cylindrical section 2 give the tubular screen 1 in the area of the cylindrical section 2 a special rigidity and thus an increased hold in the pipe opening 5 of the chimney 6.

Claims (4)

1. Rohrsieb, dadurch gekennzeichnet, daß es aus einem einstük­kigen Draht (4) gebildet ist, der wendelförmig gewickelt ist, wobei das Rohrsieb (1) einen in das Rohr (8) einsteck­baren zylindrischen Abschnitt (2) und einen sich an diesen anschließenden Abschnitt (3) größeren Durchmessers auf­weist.1. tubular strainer, characterized in that it is formed from a one-piece wire (4) which is wound helically, the tubular strainer (1) in the tube (8) insertable cylindrical section (2) and an adjoining section (3) has a larger diameter. 2. Rohrsieb nach Anspruch 1, dadurch gekennzeichnet, daß der Außendurchmesser des zylindrischen Abschnittes (2) gering­fügig größer ist als der Innendurchmesser des Rohres (8).2. Pipe sieve according to claim 1, characterized in that the outer diameter of the cylindrical portion (2) is slightly larger than the inner diameter of the tube (8). 3. Rohrsieb nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die beiden ersten (4a, 4b) und/oder letzten Wicklungen (4d, 4e) des zylindrischen Abschnittes (2) als in Anlage miteinander gelangende Wicklungen ausgebildet sind.3. Pipe sieve according to claim 1 or 2, characterized in that the two first (4a, 4b) and / or last windings (4d, 4e) of the cylindrical section (2) are designed as windings which come into contact with one another. 4. Rohrsieb nach einem der Ansprüche 1 bis 3, dadurch gekenn­zeichnet, daß sich der an den zylindrischen Abschnitt (2) anschließende Abschnitt (3) kugelförmig ausgebildet ist.4. Pipe sieve according to one of claims 1 to 3, characterized in that the section (3) adjoining the cylindrical section (2) is spherical.
EP89112415A 1988-07-09 1989-07-07 Downspout strainer Expired - Lifetime EP0350798B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89112415T ATE90412T1 (en) 1988-07-09 1989-07-07 TUBE SCREEN.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3823359A DE3823359A1 (en) 1988-07-09 1988-07-09 PIPE SCREEN
DE3823359 1988-07-09

Publications (2)

Publication Number Publication Date
EP0350798A1 true EP0350798A1 (en) 1990-01-17
EP0350798B1 EP0350798B1 (en) 1993-06-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP89112415A Expired - Lifetime EP0350798B1 (en) 1988-07-09 1989-07-07 Downspout strainer

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Country Link
EP (1) EP0350798B1 (en)
AT (1) ATE90412T1 (en)
DE (2) DE3823359A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4432704A1 (en) * 1993-09-17 1995-03-23 Elmar Metz Branch piece for a liquid-channelling downpipe
RU2708292C1 (en) * 2019-02-19 2019-12-05 Владимир Александрович Михайлов Vortex gutter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB126586A (en) * 1919-01-02 1919-05-15 Ernest Alfred Ward Improvements in Liquid Strainers.
GB359157A (en) * 1930-09-23 1931-10-22 Harold Bernard Dowler Improvements in or relating to strainers for sink pipes and the like
DE574761C (en) * 1933-04-20 Josef Katzenburg Basket-like protective screen that can be inserted into the waste pipe
US2070500A (en) * 1936-02-25 1937-02-09 Axel S Wahl Eaves trough strainer
FR921224A (en) * 1946-01-31 1947-04-30 Apparatus intended to rapidly remedy the drawbacks resulting from the obstruction of sinks and in general from all similar devices

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE574761C (en) * 1933-04-20 Josef Katzenburg Basket-like protective screen that can be inserted into the waste pipe
GB126586A (en) * 1919-01-02 1919-05-15 Ernest Alfred Ward Improvements in Liquid Strainers.
GB359157A (en) * 1930-09-23 1931-10-22 Harold Bernard Dowler Improvements in or relating to strainers for sink pipes and the like
US2070500A (en) * 1936-02-25 1937-02-09 Axel S Wahl Eaves trough strainer
FR921224A (en) * 1946-01-31 1947-04-30 Apparatus intended to rapidly remedy the drawbacks resulting from the obstruction of sinks and in general from all similar devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4432704A1 (en) * 1993-09-17 1995-03-23 Elmar Metz Branch piece for a liquid-channelling downpipe
RU2708292C1 (en) * 2019-02-19 2019-12-05 Владимир Александрович Михайлов Vortex gutter

Also Published As

Publication number Publication date
DE58904605D1 (en) 1993-07-15
EP0350798B1 (en) 1993-06-09
ATE90412T1 (en) 1993-06-15
DE3823359A1 (en) 1990-01-11

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