EP1284330B1 - Device for the covering and ventilation of a roof ridge or edge - Google Patents

Device for the covering and ventilation of a roof ridge or edge Download PDF

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Publication number
EP1284330B1
EP1284330B1 EP02015988A EP02015988A EP1284330B1 EP 1284330 B1 EP1284330 B1 EP 1284330B1 EP 02015988 A EP02015988 A EP 02015988A EP 02015988 A EP02015988 A EP 02015988A EP 1284330 B1 EP1284330 B1 EP 1284330B1
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EP
European Patent Office
Prior art keywords
strip
air
water
permeable
lateral
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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
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EP02015988A
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German (de)
French (fr)
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EP1284330A1 (en
Inventor
Karl-Heinz Hofmann
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Monier Roofing Components GmbH
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Lafarge Roofing Components GmbH and Co KG
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/36—Devices for sealing the spaces or joints between roof-covering elements
    • 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
    • E04D13/17—Ventilation of roof coverings not otherwise provided for
    • E04D13/174—Ventilation of roof coverings not otherwise provided for on the ridge of the roof
    • E04D13/176—Ventilation of roof coverings not otherwise provided for on the ridge of the roof formed by flexible material suitable to be rolled up

Definitions

  • the invention relates to a cover for covering and venting a ridge or ridge area of a roof according to the preamble of patent claim 1.
  • Ridge covers and ridge vents serve to seal the gaps left between the ridge batten and the roofing and at the same time to ensure ventilation of the roof truss. These columns run on both sides of the ridge lath in the longitudinal direction of the roof ridge. The ridge covers and ridge vents prevent the ingress of rainwater, snow, vermin or debris into the roof interior. At the same time the roof interior is vented to protect the roof against rotten damage.
  • a weather strip for a ridge or ridge cover with an air-permeable center strip and with adjacent side strips is already known (EP 0 341 343 B1).
  • the median strip consists of an air-permeable, water-repellent and snowproof fleece, while the side strips are made of soft polyisobutylene.
  • a similar ridge-sealing strip having a central region and two adjoining side regions is known from WO 99/09272.
  • the middle area here consists of a material that, although permeable to air or vapor, has rain and snowproof properties.
  • the side areas are moisture impermeable.
  • a ridge or burr ventilation element with a middle part, which can be fastened on a ridge or burr bar, and with side parts adjoining the middle part on both sides, which can be placed with their outer edge regions on roofing, is also known from EP 1 013 845 A1.
  • the outer edge regions consist of an air-permeable fabric and subsequent metal foil strip.
  • a ridge covering is known whose middle zone consists of a fleece which ensures the passage of air (EP 0 610 324 B1).
  • the middle zone is adjoined laterally by two needled edge areas.
  • the ridge seal is impregnated with acrylic resin.
  • air passageways are provided in the width direction.
  • the ventilation takes place essentially via a fleece.
  • the advantage of these seals is that they provide very good protection against flying snow.
  • the disadvantage is that the nonwovens form the ventilation levels directly.
  • the ventilation cross section is reduced to only 20 to 30% of the actual cross section.
  • it can come to moistening and water after prolonged exposure to water.
  • dust, insects or leaves can accumulate on the relatively flat ventilation fleece, which can at least temporarily lead to a significant reduction in ventilation.
  • ridge and burr ventilation elements are also known in whose middle and / or side strips air passage openings are provided (EP 0 974 712 A2, EP 0 117 391 B1). Upstanding edges may be provided around the air passage openings to prevent the entry of rainwater, which may possibly enter the uncovered joints between the overlapping ends of the cover caps (see EP 0 117 391 B1).
  • the advantage of the ventilation elements with air passage openings is that they have a good ventilation effect. Normally, water can not penetrate into the roof structure because the ventilation elements are covered by the ridge stones. In extreme weather conditions, when rainwater or snow are driven up by the wind, however, there is no safe tightness.
  • a ridge-sealing strip which has an average area enabling dehumidification of the underlying firewall, to which lateral water-repellent side areas each adjoin (WO 99/09272 A1).
  • the central region is infinitely variable in width at least in the adjoining region on each side region.
  • the well-known ridge sealing strip however, has no ventilation openings.
  • vents are provided in another known ridge sealing strip (GB 2 155 516 A1), but these vents are not separately protected.
  • a ridge pan which covers a ventilation opening (DE 199 54 417 A1).
  • the ventilation opening has a cover of air-permeable fine-pored material.
  • a cover strip for a ridge or ridge which has to be fastened on a ridge or burr staff center region and adjoining, an air passage enabling side strips (DE 93 19 360 U).
  • the base body of the cover strip made of foam rubber, foam plastic or polymer Kunststoffwirrfasern having air passage openings.
  • the invention is based on the object with a device according to the preamble of claim 1 to prevent the ingress of rain or flying snow through the ventilation openings at each position of the side strips with respect to the cover strip.
  • the invention thus relates to a device for covering and venting a ridge or ridge area of a roof.
  • This device has a center strip and two side strips, wherein the alslegbare on a ridge batten center strip is covered by an additional masking tape.
  • This additional masking tape is connected only to the central strip, so that the stretchable side strips folded down and can be molded to the top of roof tiles.
  • On both sides of the ridge batten are ventilation openings, which are shielded by the cover strip at a distance. So that no rain or snowfall reaches the ridge through the ventilation openings, an air-permeable shielding fleece is attached to the longitudinal edges of the cover strip and below the ventilation openings on the side strips.
  • the ridge element As long as the ridge element is rolled up, the Ablevlies with superposed folds between the cover strip and the side strips is arranged. After unrolling on the ridge batten and the unwinding of the side strips, the shielding fleece unfolds like an accordion.
  • the advantage achieved by the invention is thus that the ventilation holes are completely covered from above with a waterproof cover band and secured from the sides indirectly with a very air-permeable nonwoven. This ensures watertightness and good ventilation of the roof truss.
  • a device 1 for covering and venting a roof ridge is shown in a plan view, which consists essentially of the following parts: a cover strip 2, two well air-permeable bands 3, 4 and a roof connection tape 5.
  • the roof connection tape 5 is made in one piece and in its middle Area connected to the cover strip 2.
  • the cover tape 2 is preferably a thin plastic film with a certain rigidity. However, a thin metal foil or a reinforced nonwoven may also be used.
  • the two bands 3, 4 are preferably made of a fleece and are connected at one end to the roof connection tape 5 and at the other end to the cover strip 2. Instead of a fleece, however, woven or knitted fabrics can also be used.
  • Fig. 2 shows the same device 1 as Fig. 1, but in a view from below. It can be seen here the roof connection tape 5, which is provided in the middle with two parallel rows of ventilation openings 6 to 11, which are formed as slots. At the edges of the roof connecting band 5, an adhesive strip 12, 13 is provided, which consists of the actual adhesive strip - such as a butyl bead - and a peelable film.
  • FIGs 1 and 2 show only a section of a longer Firstrolle.
  • a complete Firstrolle 15 is shown, which is rolled up on site on a ridge lath.
  • the cover strip 2 is connected in its central region directly to the roof connection tape 5, z. B. glued or welded. Its edge areas, however, are connected to the webs 3, 4.
  • FIG. 4 shows the device 1 according to FIG. 1 with side strips 23, 24 of the roof connecting band 5 folded downwards.
  • the unfolding takes place in that the right and the left region of the roof connecting band 5 are moved toward one another in the direction of the arrows 20, 21.
  • the right and left areas of the roof connecting band 5 thus form the side strips 23, 24.
  • By unfolding the side strips 23, 24 remove the attachment points of the bands 3, 4, which is why the bands 3, 4 have a concertina-like folding.
  • a creped aluminum composite material is used, which contains an aluminum expanded metal mesh, said expanded metal mesh with a rainproof cover material, for. B. a fleece, is provided. Instead of a fleece but can also rainproof plastic material, eg. As polyisobutylene, are used.
  • the device 1 is shown in a built-in roof ridge state.
  • the median strip 22 of the roof connecting band 5 rests on a ridge batten 30, while the side strips 23, 24 of the roof connecting band 5 rest on roof tiles 31, 32, which in turn are hooked into battens 33, 34.
  • the roof battens 33, 34 are mounted on rafters 35, 36. With the rafters 35, 36, a carrier 37 for the ridge batten 30 is connected.
  • a ridge stone 38 covers the cover strip 2 and the roof connection tape 5.
  • About the ridge stone 38 is an overlap 39 with a bracket 40th
  • the ventilation openings 8, 11 are completely covered from above by the cover strip 2 and secured from the side by the air-permeable belts 3, 4.
  • the cover strip 2 which may be a plastic or metal foil, is mounted over the ventilation openings 8, 11 and forms a rigid roof, which adapts to the underside of the ridge stone 38, a protection against water in heavy rain and wind from above can penetrate through the covering 39 of the ridge stone 38. It thus forms a cross-sectionally roof-shaped shielding for the underlying ventilation openings 8, 11. In this way, the capping tape 2 in the covering area between the ridge stones penetrated water is reliably derived.
  • the cover strip 2 also serves as a nail band, with which the Firstrolle is attached to the ridge batten 30.
  • the bands 3, 4 are accordion-like between the cover 2 and the roof connection tape 5, the ventilation openings 6 to 11, arranged and welded or glued to the cover strip 2 and the roof connection tape 5.
  • the still flat rolled up material composite is mounted centrally through the cover strip 2 on the ridge batten 30.
  • the connection tape 5 pressed from creped aluminum composite material down and formed on the roof tiles 31, 32 and sealed by an adhesive strip 12, 13.
  • the air-permeable bands 3, 4 can be pulled down by folding and ensure at a certain distance from the ventilation openings 8, 11 an excellent protection against driving water and flying snow.
  • the ventilation openings 8, 11 are not covered directly by the air-permeable belts 3, 4, they retain their entire cross section of about 250 cm 2 / m ridge.
  • the device 1 has a ventilation effective area of 1 500 cm 2 per meter Firstrolle. Despite reduction of the air flow rate through the air-permeable belts 3, 4 to 20 to 30%, these belts 3, 4 still have an air flow rate which corresponds to a cross-section of more than 300 cm 2 , which ensures that even more air passes through the belts 3, 4 as through the ventilation openings 8, 11 goes.
  • the invention is not limited to the embodiment shown in FIGS. 1 to 5.
  • the cover strip 2 then lies directly on the ridge batten 30.
  • the side strips 23, 24 are still foldable, which is made possible by the material properties of the side strips easily.
  • the connection between side strips 23, 24 and cover strip 2 can be done by gluing or other suitable measures.
  • the air-permeable, but water-impermeable belts 3, 4 are formed as bellows. It is enough if they are stretchy.
  • Fig. 6 such a variant is shown. It can be seen here that the center strip 22 has been completely dispensed with and the side strips 23, 24 are fastened directly to the cover strip 2. The attachment can be done by gluing, such as with the help of fabric ribbons. It should only be ensured that the side strips 23, 24 are pivotable relative to the cover strip.
  • the bands 3, 4 extend parallel to the side strips 23, 24, d. H. unlike in FIG. 4, they do not form a bellows.
  • Fig. 7 shows a further variant of the invention, in which the two bands 3, 4 Parts of a uniform fleece are.
  • This web has a non-crimping center portion 44 disposed between the medial strip 22 and the masking tape. At this median strip close the two bands 3, 4 at.

Abstract

Device (1) for covering and venting a ridge or crest region of a roof comprises a middle cover band (2), a first side strip provided with air openings to the left hand side of the middle of the cover band, and a second side strip provided with air openings to the right hand side of the middle of the covering band. A first air-permeable, water-impermeable band (4) provided between the middle cover band and the first side strip covers the air openings of the first side strip. A second air-permeable, water-impermeable band (3) provided between the middle cover band and the second side strip covers the air openings of the second side strip. Preferred Features: The cover band covers the air openings and is water- and air-tight and made of plastic or metal. The air-permeable, water-impermeable bands are made of fleece.

Description

Die Erfindung betrifft eine Abdeckung zum Abdecken und Entlüften eines First- oder Gratbereichs eines Daches nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a cover for covering and venting a ridge or ridge area of a roof according to the preamble of patent claim 1.

Firstabdeckungen und Firstentlüftungen dienen dazu, die zwischen Firstlatte und Dacheindeckung verbleibenden Spalten abzudichten und gleichzeitig eine Be- und Entlüftung des Dachstuhls zu gewährleisten. Diese Spalten verlaufen auf beiden Seiten der Firstlatte in Längsrichtung des Dachfirsts. Durch die Firstabdeckungen und Firstentlüftungen wird das Eindringen von Regenwasser, Schnee, Ungeziefer oder Unrat in den Dachinnenraum verhindert. Gleichzeitig wird der Dachinnenraum entlüftet, um den Dachstuhl gegen fäulnisbedingte Beschädigungen zu schützen.Ridge covers and ridge vents serve to seal the gaps left between the ridge batten and the roofing and at the same time to ensure ventilation of the roof truss. These columns run on both sides of the ridge lath in the longitudinal direction of the roof ridge. The ridge covers and ridge vents prevent the ingress of rainwater, snow, vermin or debris into the roof interior. At the same time the roof interior is vented to protect the roof against rotten damage.

Ein Dichtungsstreifen für eine First- oder Gratabdeckung mit einem luftdurchlässigen Mittelstreifen und mit daran angrenzenden Seitenstreifen ist bereits bekannt (EP 0 341 343 B1). Hierbei besteht der Mittelstreifen aus einem luftdurchlässigen, wasserabweisenden und flugschneesicheren Vlies, während die Seitenstreifen aus weichem Polyisobutylen bestehen.A weather strip for a ridge or ridge cover with an air-permeable center strip and with adjacent side strips is already known (EP 0 341 343 B1). Here, the median strip consists of an air-permeable, water-repellent and snowproof fleece, while the side strips are made of soft polyisobutylene.

Ein ähnlicher Firstabdichungsstreifen mit einem mittleren Bereich und zwei sich hieran anschließenden Seitenbereichen ist aus WO 99/09272 bekannt. Der mittlere Bereich besteht hierbei aus einem Material, das zwar luft- bzw. dampfdurchlässig ist, aber regen- und schneesichere Eigenschaften aufweist. Die Seitenbereiche sind dagegen feuchtigkeitsundurchlässig.A similar ridge-sealing strip having a central region and two adjoining side regions is known from WO 99/09272. The middle area here consists of a material that, although permeable to air or vapor, has rain and snowproof properties. The side areas, however, are moisture impermeable.

Ein First- oder Gratentlüftungselement mit einem Mittelteil, das auf einer First- oder Gratlatte befestigbar ist, sowie mit beidseitig an den Mittelteil angrenzenden Seitenteilen, die mit ihren äußeren Randbereichen auf Dachabdeckungen auflegbar sind, ist auch aus der EP 1 013 845 A1 bekannt. Die äußeren Randbereiche bestehen dabei aus einem luftdurchlässigen Gewebe und hieran anschließenden Metallfolienstreifen.A ridge or burr ventilation element with a middle part, which can be fastened on a ridge or burr bar, and with side parts adjoining the middle part on both sides, which can be placed with their outer edge regions on roofing, is also known from EP 1 013 845 A1. The outer edge regions consist of an air-permeable fabric and subsequent metal foil strip.

Weiterhin ist eine Firstabdeckung bekannt, deren mittlere Zone aus einem Vlies besteht, das den Luftdurchtritt gewährleistet (EP 0 610 324 B1). An die mittlere Zone schließen sich seitlich zwei genadelte Randbereiche an. Um Wasserdichtigkeit bei gleichzeitiger Luftdurchlässigkeit zu erzielen, ist die Firstabdichtung mittels Acrylharz imprägniert. Im Überlappungsbereich der mittleren Zone mit den Randbereichen sind in Breitenrichtung Luftdurchtrittskanäle vorgesehen.Furthermore, a ridge covering is known whose middle zone consists of a fleece which ensures the passage of air (EP 0 610 324 B1). The middle zone is adjoined laterally by two needled edge areas. In order to achieve waterproofness with simultaneous air permeability, the ridge seal is impregnated with acrylic resin. In the overlapping region of the central zone with the edge regions air passageways are provided in the width direction.

Bei den vorstehend erwähnten bekannten Firstabdichtungen erfolgt die Lüftung im Wesentlichen über ein Vlies. Der Vorteil dieser Abdichtungen besteht darin, dass sie einen sehr guten Schutz gegen Flugschnee bilden. Nachteilig ist jedoch, dass die Vliese direkt die Lüftungsebenen bilden. Hierdurch wird der Lüftungsquerschnitt auf nur 20 bis 30 % des eigentlichen Querschnitts reduziert. Außerdem kann es nach längerer Treibwasserbelastung zur Durchfeuchtung und zum Wassereintritt kommen. Auf den relativ flach liegenden Lüftungsvliesen können sich überdies Staub, Insekten oder Laubreste ablagern, was zumindest zeitweise zu einer starken Verminderung der Lüftung führen kann.In the case of the abovementioned known ridge seals, the ventilation takes place essentially via a fleece. The advantage of these seals is that they provide very good protection against flying snow. The disadvantage, however, is that the nonwovens form the ventilation levels directly. As a result, the ventilation cross section is reduced to only 20 to 30% of the actual cross section. In addition, it can come to moistening and water after prolonged exposure to water. In addition, dust, insects or leaves can accumulate on the relatively flat ventilation fleece, which can at least temporarily lead to a significant reduction in ventilation.

Es sind indessen auch First- und Gratentlüftungselemente bekannt, in deren mittleren und/oder seitlichen Streifen Luftdurchtrittsöffnungen vorgesehen sind (EP 0 974 712 A2; EP 0 117 391 B1). Um die Luftdurchtrittsöffnungen herum können hochgestellte Ränder vorgesehen sein, damit das Einlaufen von Regenwasser, das ggf. in die nicht abgedeckten Fugen zwischen den sich überlappenden Enden der Abdeckkappen eintreten kann, verhindert wird (vgl. EP 0 117 391 B1).However, ridge and burr ventilation elements are also known in whose middle and / or side strips air passage openings are provided (EP 0 974 712 A2, EP 0 117 391 B1). Upstanding edges may be provided around the air passage openings to prevent the entry of rainwater, which may possibly enter the uncovered joints between the overlapping ends of the cover caps (see EP 0 117 391 B1).

Der Vorteil der Entlüftungselemente mit Luftdurchtrittsöffnungen besteht darin, dass sie eine gute Lüftungswirkung haben. Wasser kann normalerweise deshalb nicht in den Dachstuhl eindringen, weil die Entlüftungselemente durch die Firststeine abgedeckt sind. Bei extremen Wetterlagen, wenn Regenwasser oder Schnee durch den Wind hochgetrieben werden, besteht jedoch keine sichere Dichtheit.The advantage of the ventilation elements with air passage openings is that they have a good ventilation effect. Normally, water can not penetrate into the roof structure because the ventilation elements are covered by the ridge stones. In extreme weather conditions, when rainwater or snow are driven up by the wind, however, there is no safe tightness.

Es ist auch ein Dichtungsstreifen für eine First- oder Gratabdeckung bekannt, der zwei an ihrem jeweils einen Ende miteinander verbundene Dichtungslappen aufweist, die mit Lüftungsöffnungen versehen sind, durch die Luft in den Dachinnenraum gelangt (DE 22 56 675 A1). Um mitgerissenes Regenwasser, Flugschnee oder Staub besonders zuverlässig abzuscheiden, sind die Lüftungsöffnungen versetzt zueinander angeordnet. Die Lüftung wird bei diesem Dichtungsstreifen erschwert, wenn die Dichtungslappen aufeinander liegen, weil aufgrund des Versatzes der Lüftungsöffnungen die Luft abgeriegelt wird. Andererseits wird der Durchtritt insbesondere von Staub erleichtert, wenn die Dichtungslappen nicht dicht aufeinander liegen.There is also known a weatherstrip for a ridge or burr cover which has two at their one end connected to each other sealing flaps, which are provided with ventilation openings, passes through the air in the roof interior (DE 22 56 675 A1). To segregate entrained rainwater, snow or dust particularly reliable, the ventilation openings are offset from each other. Ventilation is made more difficult with this sealing strip when the sealing flaps are lying on top of each other because the air is blocked due to the offset of the ventilation openings. On the other hand, the passage of dust in particular is facilitated if the sealing flaps are not close to each other.

Bei einem anderen bekannten Dichtungsstreifen für eine First- oder Gratabdeckung sind zwei Seitenstreifen, die Lüftungsöffnungen aufweisen, über einen Mittelstreifen miteinander verbunden (DE 26 49 790 A1). Durch diese Lüftungsöffnungen kann jedoch leicht Regen, Schnee und Staub eintreten.In another known sealing strip for a ridge or burr cover two side strips having ventilation openings, connected to each other via a median strip (DE 26 49 790 A1). However, rain, snow and dust can easily enter through these vents.

Weiterhin ist ein Firstabdichtungsstreifen bekannt, der einen mittleren, eine Entfeuchtung des darunter liegenden Firstraums ermöglichenden Bereich aufweist, an den sich jeweils seitliche wasserabweisende Seitenbereiche anschließen (WO 99/09272 A1). Hierbei ist der mittlere Bereich zumindest im Angrenzungsbereich an jedem Seitenbereich stufenlos breitenvariierbar. Der bekannte Firstabdichtungsstreifen besitzt indessen keine Lüftungsöffnungen.Furthermore, a ridge-sealing strip is known, which has an average area enabling dehumidification of the underlying firewall, to which lateral water-repellent side areas each adjoin (WO 99/09272 A1). In this case, the central region is infinitely variable in width at least in the adjoining region on each side region. The well-known ridge sealing strip, however, has no ventilation openings.

Derartige Lüftungsöffnungen sind zwar bei einem anderen bekannten Firstabdichtungsstreifen vorgesehen (GB 2 155 516 A1), doch sind diese Lüftungsöffnungen nicht gesondert geschützt.Although such vents are provided in another known ridge sealing strip (GB 2 155 516 A1), but these vents are not separately protected.

Weiterhin ist auch noch eine Firstpfanne bekannt, die eine Lüftungsöffnung überdeckt (DE 199 54 417 A1). Um den Eintritt von Flugschnee, Insekten oder Kleintieren zu verhindern, weist die Lüftungsöffnung eine Abdeckung aus luftdurchlässigem feinporigem Material auf.Furthermore, a ridge pan is also known, which covers a ventilation opening (DE 199 54 417 A1). In order to prevent the entry of snow, insects or small animals, the ventilation opening has a cover of air-permeable fine-pored material.

Schließlich ist auch noch ein Abdeckstreifen für einen First oder Grat bekannt, der einen auf einer First- oder Gratlatte zu befestigenden Mittenbereich und daran anschließende, einen Luftdurchtritt ermöglichende Seitenstreifen aufweist (DE 93 19 360 U). Hierbei besteht der Grundkörper des Abdeckstreifens aus Schaumgummi, Schaumkunststoff oder polymeren Kunststoffwirrfasern, die Luftdurchtrittsöffnungen aufweisen.Finally, a cover strip for a ridge or ridge is also known, which has to be fastened on a ridge or burr staff center region and adjoining, an air passage enabling side strips (DE 93 19 360 U). In this case, the base body of the cover strip made of foam rubber, foam plastic or polymer Kunststoffwirrfasern having air passage openings.

Der Erfindung liegt die Aufgabe zugrunde, bei einer Vorrichtung nach dem Oberbegriff des Patentanspruchs 1 den Eintritt von Regen oder Flugschnee durch die Lüftungsöffnungen bei jeder Position der Seitenstreifen in Bezug auf das Abdeckband zu verhindern.The invention is based on the object with a device according to the preamble of claim 1 to prevent the ingress of rain or flying snow through the ventilation openings at each position of the side strips with respect to the cover strip.

Diese Aufgabe wird gemäß den Merkmalen des Patentanspruchs 1 gelöst.This object is achieved according to the features of patent claim 1.

Die Erfindung betrifft somit eine Vorrichtung zum Abdecken und Entlüften eines First- oder Gratbereichs eines Daches. Diese Vorrichtung weist einen Mittelstreifen und zwei Seitenstreifen auf, wobei der auf einer Firstlatte auflegbare Mittelstreifen durch ein zusätzliches Abdeckband abgedeckt ist. Dieses zusätzliche Abdeckband ist nur mit dem Mittelstreifen verbunden, sodass die streckbaren Seitenstreifen nach unten geklappt und an die Oberseite von Dachsteinen angeformt werden können. Zu beiden Seiten der Firstlatte befinden sich Lüftungsöffnungen, die von dem Abdeckband in einem Abstand abgeschirmt werden. Damit durch die Lüftungsöffnungen kein Regen oder Flugschnee in den First gelangt, ist an den Längsrändern des Abdeckbands und unterhalb der Lüftungsöffnungen an den Seitenstreifen ein luftdurchlässiges Abschirmvlies befestigt. Solange das Firstelement aufgerollt ist, ist das Abschirmvlies mit aufeinanderliegenden Falten zwischen dem Abdeckband und den Seitenstreifen angeordnet. Nach dem Ausrollen auf der Firstlatte und dem Abwickeln der Seitenstreifen entfaltet sich das Abschirmvlies jedoch ziehharmonikaartig.The invention thus relates to a device for covering and venting a ridge or ridge area of a roof. This device has a center strip and two side strips, wherein the auflegbare on a ridge batten center strip is covered by an additional masking tape. This additional masking tape is connected only to the central strip, so that the stretchable side strips folded down and can be molded to the top of roof tiles. On both sides of the ridge batten are ventilation openings, which are shielded by the cover strip at a distance. So that no rain or snowfall reaches the ridge through the ventilation openings, an air-permeable shielding fleece is attached to the longitudinal edges of the cover strip and below the ventilation openings on the side strips. As long as the ridge element is rolled up, the Abschirmvlies with superposed folds between the cover strip and the side strips is arranged. After unrolling on the ridge batten and the unwinding of the side strips, the shielding fleece unfolds like an accordion.

Der mit der Erfindung erzielte Vorteil besteht somit darin, dass die Lüftungslöcher von oben mit einem wasserdichten Abdeckband völlig abgedeckt und von den Seiten her indirekt mit einem sehr luftdurchlässigen Vlies abgesichert sind. Hierdurch sind Wasserdichtheit und gute Belüftung des Dachstuhls gewährleistet.The advantage achieved by the invention is thus that the ventilation holes are completely covered from above with a waterproof cover band and secured from the sides indirectly with a very air-permeable nonwoven. This ensures watertightness and good ventilation of the roof truss.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird im Folgenden näher beschrieben. Es zeigen:

Fig. 1
eine Draufsicht auf eine Vorrichtung zum Abdecken und Entlüften eines Dachfirsts;
Fig. 2
die Vorrichtung gemäß Fig. 1 in einer Ansicht von unten;
Fig. 3
die Vorrichtung gemäß Fig. 1 in einer perspektivischen Ansicht und als teilweise aufgewickelte Rolle;
Fig. 4
die Vorrichtung gemäß Fig. 1 mit nach unten geklappten Seitenstreifen;
Fig. 5
die Vorrichtung gemäß Fig. 1, eingebaut in einen Dachfirst;
Fig. 6
eine Variante der Erfindung, bei welcher die wasserundurchlässigen Bänder im Wesentlichen parallel zu Seitenstreifen verlaufen;
Fig. 7
eine Variante der Erfindung, bei welcher die wasserundurchlässigen Bänder durch einen Vliesstreifen gebildet sind.
An embodiment of the invention is illustrated in the drawings and will be described in more detail below. Show it:
Fig. 1
a plan view of a device for covering and venting a roof ridge;
Fig. 2
the device of Figure 1 in a view from below.
Fig. 3
the apparatus of Figure 1 in a perspective view and as a partially wound roll.
Fig. 4
the device of Figure 1 with folded down side strips.
Fig. 5
the device of Figure 1, installed in a roof ridge.
Fig. 6
a variant of the invention in which the water-impermeable tapes are substantially parallel to side strips;
Fig. 7
a variant of the invention, wherein the water-impermeable tapes are formed by a nonwoven strip.

In der Fig. 1 ist eine Vorrichtung 1 zum Abdecken und Entlüften eines Dachfirsts in einer Draufsicht dargestellt, die im Wesentlichen aus folgenden Teilen besteht: einem Abdeckband 2, zwei gut luftdurchlässigen Bändern 3, 4 und einem Dachanschlussband 5. Das Dachanschlussband 5 ist einstückig ausgeführt und in seinem mittleren Bereich mit dem Abdeckband 2 verbunden. Das Abdeckband 2 ist vorzugsweise eine dünne Kunststofffolie mit einer gewissen Steifigkeit. Es kann jedoch auch eine dünne Metallfolie oder ein verstärktes Vlies verwendet werden. Die beiden Bänder 3, 4 bestehen vorzugsweise aus einem Vlies und sind mit ihrem einen Ende mit dem Dachanschlussband 5 und mit ihrem anderen Ende mit dem Abdeckband 2 verbunden. Statt eines Vlieses können indessen auch Gewebe oder Gewirke verwendet werden.In Fig. 1, a device 1 for covering and venting a roof ridge is shown in a plan view, which consists essentially of the following parts: a cover strip 2, two well air-permeable bands 3, 4 and a roof connection tape 5. The roof connection tape 5 is made in one piece and in its middle Area connected to the cover strip 2. The cover tape 2 is preferably a thin plastic film with a certain rigidity. However, a thin metal foil or a reinforced nonwoven may also be used. The two bands 3, 4 are preferably made of a fleece and are connected at one end to the roof connection tape 5 and at the other end to the cover strip 2. Instead of a fleece, however, woven or knitted fabrics can also be used.

Die Fig. 2 zeigt die gleiche Vorrichtung 1 wie die Fig. 1, jedoch in einer Ansicht von unten. Man erkennt hierbei das Dachanschlussband 5, das in der Mitte mit zwei parallelen Reihen von Lüftungsöffnungen 6 bis 11 versehen ist, die als Schlitze ausgebildet sind. An den Rändern des Dachanschlussbands 5 ist jeweils ein Klebestreifen 12, 13 vorgesehen, der aus dem eigentlichen Klebestreifen - etwa einer Butylraupe - und einer abziehbaren Folie besteht.Fig. 2 shows the same device 1 as Fig. 1, but in a view from below. It can be seen here the roof connection tape 5, which is provided in the middle with two parallel rows of ventilation openings 6 to 11, which are formed as slots. At the edges of the roof connecting band 5, an adhesive strip 12, 13 is provided, which consists of the actual adhesive strip - such as a butyl bead - and a peelable film.

Die Figuren 1 und 2 zeigen nur einen Ausschnitt aus einer längeren Firstrolle. In der Fig. 3 ist deshalb eine komplette Firstrolle 15 dargestellt, die vor Ort auf einer Firstlatte aufgerollt wird. Man erkennt hierbei wieder das Dachanschlussband 5, die Klebestreifen 12, 13, die beiden luftdurchlässigen Bänder 3, 4 sowie das Abdeckband 2. Das Abdeckband 2 ist in seinem zentralen Bereich direkt mit dem Dachanschlussband 5 verbunden, z. B. verklebt oder verschweißt. Seine Randbereiche sind dagegen mit den Vliesen 3, 4 verbunden.Figures 1 and 2 show only a section of a longer Firstrolle. In Fig. 3, therefore, a complete Firstrolle 15 is shown, which is rolled up on site on a ridge lath. This again shows the roof connection strip 5, the adhesive strips 12, 13, the two air-permeable strips 3, 4 and the cover strip 2. The cover strip 2 is connected in its central region directly to the roof connection tape 5, z. B. glued or welded. Its edge areas, however, are connected to the webs 3, 4.

In der Fig. 4 ist die Vorrichtung 1 gemäß Fig. 1 mit nach unten geklappten Seitenstreifen 23, 24 des Dachanschlussbands 5 dargestellt. Das Aufklappen erfolgt dadurch, dass der rechte und der linke Bereich des Dachanschlussbands 5 in Richtung der Pfeile 20, 21 aufeinander zu bewegt werden. Die rechten und linken Bereiche des Dachanschlussbands 5 bilden also die Seitenstreifen 23, 24. Durch das Aufklappen der Seitenstreifen 23, 24 entfernen sich die Befestigungspunkte der Bänder 3, 4, weshalb die Bänder 3, 4 eine ziehharmonikaartige Faltung aufweisen.FIG. 4 shows the device 1 according to FIG. 1 with side strips 23, 24 of the roof connecting band 5 folded downwards. The unfolding takes place in that the right and the left region of the roof connecting band 5 are moved toward one another in the direction of the arrows 20, 21. The right and left areas of the roof connecting band 5 thus form the side strips 23, 24. By unfolding the side strips 23, 24 remove the attachment points of the bands 3, 4, which is why the bands 3, 4 have a concertina-like folding.

Da nur der mittlere Bereich des Abdeckbands 1 mit dem Dachanschlussband 5 verklebt ist, ragen die äußeren Bereiche des Abdeckbands 2 über die Ansätze der Seitenstreifen 23, 24 hinaus und überdachen auf diese Weise die Lüftungsschlitze 8, 11. Die Lüftungsschlitze 8, 11 sind außerdem durch die luftdurchlässigen Bänder 4, 3 überdeckt, die leporello- oder ziehharmonikaartig ausgebildet sind. Aus der Fig. 4 erkennt man deutlich die drei Bereiche des Dachanschlussbands 5: den Mittelstreifen 22 und die beiden Seitenstreifen 23, 24. Die Seitenstreifen 23, 24 sind wenigstens in Längsrichtung streckbar, da sie an die längeren Profillinien der Dachpfannen angeformt werden müssen; sie sind also plastisch anformbar und streckbar. Vorzugsweise wird ein gekrepptes Aluminium-Verbundmaterial verwendet, das ein Aluminium-Streckmetallgitter enthält, wobei dieses Streckmetallgitter mit einem regensicheren Abdeckmaterial, z. B. einem Vlies, versehen ist. Statt eines Vlieses kann aber auch ein regensicheres Kunststoffmaterial, z. B. Polyisobuthylen, verwendet werden.Since only the middle region of the cover strip 1 is glued to the roof connection tape 5, the outer regions of the cover strip 2 protrude beyond the projections of the side strips 23, 24 and cover the ventilation slots 8, 11 in this way. The ventilation slots 8, 11 are also through the air-permeable bands 4, 3 covered, which are formed leporello- or accordion-like. From Fig. 4 recognizes clearly the three areas of the roof connecting band 5: the median strip 22 and the two side strips 23, 24. The side strips 23, 24 are stretchable at least in the longitudinal direction, since they must be formed on the longer profile lines of the tiles; they are so plastically shapeable and stretchable. Preferably, a creped aluminum composite material is used, which contains an aluminum expanded metal mesh, said expanded metal mesh with a rainproof cover material, for. B. a fleece, is provided. Instead of a fleece but can also rainproof plastic material, eg. As polyisobutylene, are used.

In der Fig. 5 ist die Vorrichtung 1 in einem in einen Dachfirst eingebauten Zustand dargestellt. Der Mittelstreifen 22 des Dachanschlussbands 5 liegt hierbei auf einer Firstlatte 30 auf, während die Seitenstreifen 23, 24 des Dachanschlussbands 5 auf Dachsteinen 31, 32 aufliegen, die ihrerseits in Dachlatten 33, 34 eingehängt sind. Die Dachlatten 33, 34 sind auf Dachsparren 35, 36 befestigt. Mit den Dachsparren 35, 36 ist ein Träger 37 für die Firstlatte 30 verbunden. Ein Firststein 38 überdeckt das Abdeckband 2 und das Dachanschlussband 5. Über dem Firststein 38 befindet sich eine Überdeckung 39 mit einer Klammer 40.In Fig. 5, the device 1 is shown in a built-in roof ridge state. The median strip 22 of the roof connecting band 5 rests on a ridge batten 30, while the side strips 23, 24 of the roof connecting band 5 rest on roof tiles 31, 32, which in turn are hooked into battens 33, 34. The roof battens 33, 34 are mounted on rafters 35, 36. With the rafters 35, 36, a carrier 37 for the ridge batten 30 is connected. A ridge stone 38 covers the cover strip 2 and the roof connection tape 5. About the ridge stone 38 is an overlap 39 with a bracket 40th

Wie man aus der Fig. 5 ersieht, werden die Lüftungsöffnungen 8, 11 von oben durch das Abdeckband 2 völlig überdacht und von der Seite her durch die luftdurchlässigen Bänder 3, 4 abgesichert. Das Abdeckband 2, das eine Kunststoff- oder Metallfolie sein kann, ist über den Lüftungsöffnungen 8, 11 angebracht und bildet als steifes Dach, das sich an die Unterseite des Firststeins 38 anpasst, einen Schutz gegen Wasser, das bei starkem Regen und Wind von oben durch die Überdeckung 39 des Firststeins 38 eindringen kann. Es bildet hierdurch eine im Querschnitt dachförmige Abschirmung für die darunterliegenden Lüftungsöffnungen 8, 11. Auf diese Weise wird vom Abdeckband 2 im Überdeckungsbereich zwischen den Firststeinen eingedrungenes Wasser zuverlässig abgeleitet. Das Abdeckband 2 dient auch als Nagelband, mit dem die Firstrolle auf der Firstlatte 30 befestigt wird.As can be seen from Fig. 5, the ventilation openings 8, 11 are completely covered from above by the cover strip 2 and secured from the side by the air-permeable belts 3, 4. The cover strip 2, which may be a plastic or metal foil, is mounted over the ventilation openings 8, 11 and forms a rigid roof, which adapts to the underside of the ridge stone 38, a protection against water in heavy rain and wind from above can penetrate through the covering 39 of the ridge stone 38. It thus forms a cross-sectionally roof-shaped shielding for the underlying ventilation openings 8, 11. In this way, the capping tape 2 in the covering area between the ridge stones penetrated water is reliably derived. The cover strip 2 also serves as a nail band, with which the Firstrolle is attached to the ridge batten 30.

Die Bänder 3, 4 sind ziehharmonikaartig zwischen dem Abdeckband 2 und dem Dachanschlussband 5, das Lüftungsöffnungen 6 bis 11 aufweist, angeordnet und mit dem Abdeckband 2 und dem Dachanschlussband 5 verschweißt oder verklebt. Beim Verlegen der Vorrichtung 1 wird der noch flach zusammengerollte Materialverbund mittig durch das Abdeckband 2 auf der Firstlatte 30 befestigt. Danach wird das Anschlussband 5 aus gekrepptem Aluminium-Verbundmaterial nach unten gedrückt und auf den Dachsteinen 31, 32 angeformt sowie über einen Klebestreifen 12, 13 abgedichtet. Die luftdurchlässigen Bänder 3, 4 lassen sich durch Falten mit nach unten ziehen und gewährleisten in einem gewissen Abstand von den Lüftungsöffnungen 8, 11 einen ausgezeichneten Schutz gegen Treibwasser und Flugschnee.The bands 3, 4 are accordion-like between the cover 2 and the roof connection tape 5, the ventilation openings 6 to 11, arranged and welded or glued to the cover strip 2 and the roof connection tape 5. When laying the device 1, the still flat rolled up material composite is mounted centrally through the cover strip 2 on the ridge batten 30. Then the connection tape 5 pressed from creped aluminum composite material down and formed on the roof tiles 31, 32 and sealed by an adhesive strip 12, 13. The air-permeable bands 3, 4 can be pulled down by folding and ensure at a certain distance from the ventilation openings 8, 11 an excellent protection against driving water and flying snow.

Da die Lüftungsöffnungen 8, 11 nicht direkt von den luftdurchlässigen Bändern 3, 4 abgedeckt sind, behalten sie ihren gesamten Querschnitt von ca. 250 cm2/m First.Since the ventilation openings 8, 11 are not covered directly by the air-permeable belts 3, 4, they retain their entire cross section of about 250 cm 2 / m ridge.

Die Vorrichtung 1 hat eine lüftungswirksame Fläche von 1 500 cm2 pro Meter Firstrolle. Trotz Reduzierung des Luftdurchsatzes durch die luftdurchlässigen Bänder 3, 4 auf 20 bis 30 % verbleibt diesen Bändern 3, 4 noch ein Luftdurchsatz, der einem Querschnitt von mehr als 300 cm2 entspricht, was gewährleistet, dass noch mehr Luft durch die Bänder 3, 4 als durch die Lüftungsöffnungen 8, 11 geht.The device 1 has a ventilation effective area of 1 500 cm 2 per meter Firstrolle. Despite reduction of the air flow rate through the air-permeable belts 3, 4 to 20 to 30%, these belts 3, 4 still have an air flow rate which corresponds to a cross-section of more than 300 cm 2 , which ensures that even more air passes through the belts 3, 4 as through the ventilation openings 8, 11 goes.

Die Erfindung ist nicht auf das in den Fig. 1 bis 5 dargestellte Ausführungsbeispiel beschränkt. So ist es beispielsweise möglich, die Seitenstreifen 23, 24 direkt an dem Abdeckband angreifen zu lassen, d. h. auf den Mittelstreifen 22 zu verzichten. Das Abdeckband 2 liegt dann unmittelbar auf der Firstlatte 30 auf. Die Seitenstreifen 23, 24 sind trotzdem umklappbar, was durch die Materialeigenschaften der Seitenstreifen ohne weiteres ermöglicht wird. Die Verbindung zwischen Seitenstreifen 23, 24 und Abdeckband 2 kann durch Verkleben oder andere geeignete Maßnahmen erfolgen.The invention is not limited to the embodiment shown in FIGS. 1 to 5. Thus, it is for example possible to have the side strips 23, 24 attack directly on the cover, d. H. to dispense with the median strip 22. The cover strip 2 then lies directly on the ridge batten 30. The side strips 23, 24 are still foldable, which is made possible by the material properties of the side strips easily. The connection between side strips 23, 24 and cover strip 2 can be done by gluing or other suitable measures.

Des weiteren ist es nicht erforderlich, dass die luftdurchlässigen, aber wasserundurchlässigen Bänder 3, 4 als Bälge ausgebildet sind. Es genügt vielmehr, wenn sie dehnbar sind.Furthermore, it is not necessary that the air-permeable, but water-impermeable belts 3, 4 are formed as bellows. It is enough if they are stretchy.

In der Fig. 6 ist eine solche Variante gezeigt. Man erkennt hierbei, dass auf den Mittelstreifen 22 ganz verzichtet wurde und die Seitenstreifen 23, 24 direkt am Abdeckband 2 befestigt sind. Die Befestigung kann durch Verkleben, etwa mit Hilfe von Stoffbändern, erfolgen. Es sollte nur gewährleistet sein, dass die Seitenstreifen 23, 24 relativ zum Abdeckband verschwenkbar sind. Außerdem verlaufen die Bänder 3, 4 parallel zu den Seitenstreifen 23, 24, d. h. sie bilden anders als in Fig. 4 keinen Balg.In Fig. 6 such a variant is shown. It can be seen here that the center strip 22 has been completely dispensed with and the side strips 23, 24 are fastened directly to the cover strip 2. The attachment can be done by gluing, such as with the help of fabric ribbons. It should only be ensured that the side strips 23, 24 are pivotable relative to the cover strip. In addition, the bands 3, 4 extend parallel to the side strips 23, 24, d. H. unlike in FIG. 4, they do not form a bellows.

Fig. 7 zeigt eine weitere Variante der Erfindung, bei welcher die beiden Bänder 3, 4 Teile eines einheitlichen Vlieses sind. Dieses Vlies weist einen nicht faltenbildenden Mittelteil 44 auf, der zwischen dem Mittelstreifen 22 und dem Abdeckband angeordnet ist. An diesen Mittelstreifen schließen die beiden Bänder 3, 4 an.Fig. 7 shows a further variant of the invention, in which the two bands 3, 4 Parts of a uniform fleece are. This web has a non-crimping center portion 44 disposed between the medial strip 22 and the masking tape. At this median strip close the two bands 3, 4 at.

Claims (15)

  1. A device for covering and ventilating a ridge or edge region of a roof, with
    a) a first lateral strip (23) provided with vent openings (8) to the left of the centre of a cover strip (2)
    b) a second lateral strip (24) provided with vent openings (11) to the right of the centre of the cover strip (2)
    c) a first strip (4), which is permeable to air but not to water, between the central cover strip (2) and the first lateral strip (23), which covers the vent openings (8) of the first lateral strip (23), and
    d) a second strip (3), which is permeable to air but not to water, between the central cover strip (2) and the second lateral strip (24), which covers the vent openings (11) of the second lateral strip (24),
    characterised in that the strips (3, 4), permeable to air but not to water, are connected at one end to the cover strip (2) and at the other end to the lateral strip (23, 24).
  2. The device according to claim 1, characterised in that the lateral strips (23, 24) are connected to each other by means of a central strip (22), thereby forming a roof connection strip (5), wherein the cover strip (2) is arranged on the central strip (22) of the cover strip (5).
  3. The device according to claim 1, characterised in that the cover strip (2) is water- and air-tight, and covers the vent openings (6 to 11).
  4. The device according to claim 1, characterised in that the strips (3,4), permeable to air but not to water, are designed in concertina fashion.
  5. The device according to claim 1, characterised in that the strips (3, 4), permeable to air but not to water, are designed so that they are expandable.
  6. The device according to claim 1, characterised in that the strips (3,4), permeable to air but not to water, are arranged at a certain distance from the vent openings (6 to 11).
  7. The device according to claim 1, characterised in that the strips (3, 4), permeable to air but not to water, consist of nonwoven material.
  8. The device according to claim 1, characterised in that the water- and air-tight cover strip (2) consists of plastic.
  9. The device according to claim 1, characterised in that the water- and air-tight cover strip (2) consists of metal.
  10. The device according to claim 1, characterised in that the strips (3,4), permeable to air but not to water, are glued at one end to the cover strip (2) and at their other end to the lateral strip (23, 24).
  11. The device according to claim 1, characterised in that the strips (3, 4), permeable to air but not to water, are welded at one end to the cover strip (22) and at the other end to the lateral strips (23, 24).
  12. The device according to claim 2, characterised in that the roof connection strip (5) consists of craped aluminium composite material.
  13. The device according to claim 2, characterised in that the roof connection strip (5) can be fixed to roofing tiles (31, 32) by adhesive strips (12, 13).
  14. The device according to claim 13, characterised in that the adhesive strips (12, 13) are provided at the ends of the lateral strips (23, 24) of the roof connection strip (5).
  15. A device for covering and ventilating a ridge or edge region of a roof, with
    a) a first lateral strip (23) provided with vent openings (8) to the left of the centre of a cover strip (2)
    b) a second lateral strip (24) provided with vent openings (11) to the right of the centre of the cover strip (2)
    c) a strip which is permeable to air but not to water, which is arranged above the first and second vent openings (8, 11), wherein the lateral strips (23, 24) are connected by a central strip (22), wherein the strip permeable to air, but not to water, has a central section (44) that does not form folds, which section is arranged between the central strip (22) and the cover strip (2), and wherein the strip, permeable to air but not to water, is connected at one end to the first lateral strip (23) and at its other end to the second lateral strip (24),
    characterised in that the strip permeable to air but not to water forms a fold at both ends around vent openings (8, 11), and is a certain distance from vent openings (8, 11).
EP02015988A 2001-08-09 2002-07-18 Device for the covering and ventilation of a roof ridge or edge Expired - Lifetime EP1284330B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10139273A DE10139273A1 (en) 2001-08-09 2001-08-09 Device for covering and venting a ridge or ridge area of a roof
DE10139273 2001-08-09

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EP1284330A1 EP1284330A1 (en) 2003-02-19
EP1284330B1 true EP1284330B1 (en) 2006-08-23

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US (1) US7124542B2 (en)
EP (1) EP1284330B1 (en)
AT (1) ATE337450T1 (en)
DE (2) DE10139273A1 (en)

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Also Published As

Publication number Publication date
US20030041530A1 (en) 2003-03-06
DE10139273A1 (en) 2003-03-06
DE50207913D1 (en) 2006-10-05
ATE337450T1 (en) 2006-09-15
US7124542B2 (en) 2006-10-24
EP1284330A1 (en) 2003-02-19

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