EP3228798B1 - Door for housing for an air- conditioning device - Google Patents

Door for housing for an air- conditioning device Download PDF

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Publication number
EP3228798B1
EP3228798B1 EP17000494.9A EP17000494A EP3228798B1 EP 3228798 B1 EP3228798 B1 EP 3228798B1 EP 17000494 A EP17000494 A EP 17000494A EP 3228798 B1 EP3228798 B1 EP 3228798B1
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EP
European Patent Office
Prior art keywords
door
elements
horizontal
vertical
seal
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EP17000494.9A
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German (de)
French (fr)
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EP3228798A1 (en
Inventor
Bernward Ruegenberg
Klaus Bürgschwendter
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Euroclima SpA
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Euroclima SpA
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Publication of EP3228798A1 publication Critical patent/EP3228798A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/82—Flush doors, i.e. with completely flat surface
    • E06B3/822—Flush doors, i.e. with completely flat surface with an internal foursided frame
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
    • E06B7/23—Plastic, sponge rubber, or like strips or tubes
    • E06B7/2305—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging
    • E06B7/2307—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging with a single sealing-line or -plane between the wing and the part co-operating with the wing
    • E06B7/2309—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging with a single sealing-line or -plane between the wing and the part co-operating with the wing with a hollow sealing part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B2003/7059—Specific frame characteristics
    • E06B2003/7082—Plastic frames
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/01—Trap-doors

Definitions

  • the invention relates to a door or a hatch with a corresponding stick frame which is suitable for mounting on housings for air-conditioning units, which allows access to the interior of these housings for inspection and maintenance, in particular for the purpose of inserting filters or other replaceable parts of the air-conditioning units is taking into account for the dimensioning also the modularity of the structure and/or the elements that make up the case, without the need for adjustment work, to allow assembly or replacement in a simple and quick way and an effective seal without to secure thermal bridges.
  • doors and hatches which are formed from an outer and an inner shell of sheet metal, connected to each other by bending the peripheral edges and forming a protruding multilayer peripheral flange which corresponds to the abutment on the stick frame, possibly provided with an elastic seal , whereby this is usually fastened in an opening on one of the modular elements which, for example, form the housing for air conditioning units.
  • a heat-insulating material is contained between said shells made of sheet metal, but since the outer shell is in direct contact with the inner one, there is a continuous temperature exchange between the outer environment and the inner space on the entire peripheral surface, moreover, the simple seal does not ensure one effective sealing and, due to the lack of an air chamber and a second seal, condensation often occurs in the area of the stop.
  • a door for air conditioners whereby neither the door leaf nor the door frame have thermal bridge interruptions, between the door leaf and the door frame there is a single seal which acts in the same way on the vertical and on the horizontal parts (threshold, lintel) of the door frame.
  • a door with these characteristics is subject to the formation of condensation on the leaf and the stick, especially in the peripheral area, close to the (only!) seal.
  • the horizontal floor elements have an identical Z-shaped cross-section, the door has a uniform cross-section along the entire perimeter.
  • the stop formed by the horizontal frame elements for the sole seal of the door has the same shape and dimensions as the corresponding stop on the vertical frame profiles.
  • Both horizontal stock profiles have a vertical mounting flange which, in the case of a modular construction of the housing, would prevent the exchange of a wall element with the door frame together with the door or the assembly of two door elements one above the other instead of two wall elements mounted one above the other.
  • a door with a door frame is known for residential construction, with either the door leaf or the door frame having aids to interrupt thermal bridges.
  • the door leaf has a specific cross-section in the threshold area and is equipped with two peripheral seals which are spaced among themselves while the door frame has a seal on both vertical elements and on the upper horizontal element (lintel) is on the lower extruded element (threshold) with several internal chambers a "seal" (sill seal 184) is provided which does not rest on any point of the door leaf, but represents a reduction in the cross-section of the metallic part of the sill.
  • the sill consists of an extruded profile with several chambers, it has a certain thickness which, together with the protruding part for the bearing of the door leaf seal and the considerable cross-section of the upper horizontal part (lintel) have the same cross-section as the vertical parts has considerably reduced the vertical free passage light.
  • the object of the invention is to create a door or a hatch of the above type for housings for air-conditioning units, whereby a maximum vertical clearance is ensured which almost corresponds to the maximum vertical height of the door or hatch, with a seal between the door leaf and the door frame and thermal insulation without thermal bridges between the outer part, which is normally exposed to environmental influences, and the inner part, which is exposed to the temperature and humidity conditions prevailing inside the housing, is ensured, thereby preventing the formation of condensation, especially in the area between the frame and the door leaf.
  • the invention proposes a door according to claim 1, which consists of an outer and an inner sheet metal shell, both of which have a peripheral edge bent by 90° which is attached to an intermediate plastic profile with several inner chambers, which acts as a thermal bridge interruption.
  • the space between said shells, which is easily accessible, can be filled with heat-insulating material.
  • Said plastic profile has a seat for the insertion of a first elastic seal and, in a spaced area therefrom, for a second elastic, e.g. extruded, seal, on.
  • the cross-section through the peripheral area of the door is therefore identical for the vertical and also for both horizontal sides.
  • the stick frame for the said door consists of two vertical parts, each of which consists of a metal composite profile with interposed plastic strips of the known type, for the purpose of breaking thermal bridges, between the outer part, which is exposed to environmental influences, and the inner part, which is exposed to temperature and is exposed to humidity conditions inside the housing and consists of two identical horizontal elements made of sheet metal bent in an L-shape or of an L-profile with a flat cross-section, the vertical flange on the side facing the housing interior serving as a stop for the first of the, am Door stop mounted all around, seals are used. Said horizontal elements are fixed at both ends by means of screws to the faces of the corresponding vertical composite profiles, which for this purpose are equipped with their own screwing seats with vertical axes.
  • the said Seal preferably has a tubular or mushroom-shaped cross section.
  • the seal When the door leaf is closed, the seal lies along one of the opposite sides on the bent flank of the inner shell of the door as a result of elastic deformation due to pressure load and, along the other side, on the area of the edge of the vertical composite profile facing the inside of the housing. on.
  • the two horizontal elements on the other hand, L-shaped in cross-section, the same first seal always rests, along one side, on the bent edge of the inner shell of the door leaf, while, with part of the surface facing the inside of the air-conditioning unit casing , rests against that stop which is formed by the vertical flange of the L-shaped bent or L-shaped cross-section profiles.
  • Said elements with an L-shaped cross-section can advantageously be made, for example, by bending a stainless steel sheet, without excluding the use of profiled or extruded elements made of different materials.
  • the wide part of the L-shaped profile can be narrower than the width of the vertical elements of the door frame or have longitudinal slots or recesses around the cross-section for heat transfer, especially in the rear outward area, beyond the contact area of the coextruded seal on the plastic profile connecting the two shells of the door leaf.
  • an element made of heat-insulating plastic can be provided in the area of attachment to the end face of the vertical elements, which occupies the area not covered by the flange of the L-shaped element.
  • the composite vertical profile of the frame has a wedge-shaped cross-section that reduces the free passage clearance towards the inside of the casing.
  • the fastening of the door jamb to the modular elements and/or to the structure of the air-conditioning unit housing is carried out using known fasteners, bearing in mind that, due to the flat section, the L-shaped horizontal elements require several attachment points, thereby giving these elements more dimensional stability to lend.
  • the 1 shows the outside view of a door according to the invention together with the corresponding door frame.
  • the 2 shows a horizontal section through the door leaf including the door frame according to 1 section plane II-II shown.
  • the 3 shows a vertical section through the door leaf including the door frame according to 1 Section plane III-III shown.
  • the 4 shows, as a horizontal section, the enlarged detail of the vertical edge of the door leaf and the corresponding door frame.
  • the figure 5 shows, in vertical section, the enlarged detail of the lower edge of the door leaf and the corresponding horizontal L-shaped element of the stick frame.
  • the door leaf 1 consists of an outer shell 1a and an inner shell 1c made of sheet metal which are connected in the peripheral area via a plastic profile 2, the space between said shells being filled with a heat-insulating material.
  • the shell 1a facing inwards of the housing for air conditioning units has a peripheral edge 1b which is angled at 90° and is anchored in a groove 2a of the plastic profile 2, e.g. by gluing.
  • the outer shell 1c also has a circumferential 90° angled edge 1d which is attached to the same plastic profile 2 by means of screws 3, this shell is therefore light. can also be dismantled later, e.g. to replace the heat-insulating material between the two shells.
  • the plastic profile 2 is of the extruded type with several internal chambers in order to ensure a high dimensional stability and to act as an interruption of the heat transfer between the two shells 1a, 1c subjected to different temperatures.
  • an elastic seal 4 In a groove 2b of the profile 2 is inserted an elastic seal 4, this is of the tubular type and abuts with one longitudinal side against the edge 1b of the inner shell 1a.
  • an extruded elastic seal 2c is provided, protruding in the direction of the door frame.
  • the seal 4 is also of the extruded type.
  • the door frame according to the invention consists of two vertical composite profiles 6 with elements 6a for the interruption of thermal bridges and two horizontal elements 8 with an L-shaped cross section which are fastened at the ends by means of screws 3 to the upper and lower faces of the vertical composite profiles 6 which are used for this Purpose are provided with screw-in seats 6d.
  • Said horizontal L-shaped elements 8 point to the side facing inwards of the housing for air-conditioning devices, a vertical flange 8a on which acts as a stop for the seal 4 of the door leaf 1, while on the side facing outwards, preferably in an area beyond the bearing of the seal 2c of the profile 2, the cross section through Breakthroughs or longitudinal slots 8b is reduced.
  • the vertical profiles 6 have a wedge-shaped cross section with the wider part directed towards the inside of the housing for air conditioners in order to, during the last part of the closing movement of the door 1, the elastic deformation of the seal 4 by compressive loading between the area close to the edge of the composite profiles 6 and the edge 1a of the inner shell.
  • the seal 4 is pressed with the front long side against the flange 8a of the horizontal L-shaped elements 8, which acts as a stop.
  • a sealed air chamber A is formed which is suitable for the insulating effect between that part exposed to the inside of the air-conditioning unit casing and that exposed to the eventual Is exposed to environmental influences to improve.
  • the elements forming the door leaf 1 and the corresponding door jamb can be made from inexpensive materials and can be processed using machines and devices that are very common.
  • the minimum extension in the vertical direction of the L-shaped elements 8 allows achieving a vertical free Passage light on the door frame, which is slightly smaller than the vertical extent of the door leaf.
  • the door or hatch is provided with hinges 5 with hinge pins 5a fixed 5b to one of the composite vertical profiles 6 of the door jamb; the door leaf 1 is equipped with at least one locking device 9 .

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Description

Die Erfindung bezieht sich auf eine Tür oder eine Luke mit entsprechendem Stockrahmen welche für die Montage an Gehäusen für Klimageräte geeignet ist, wodurch der Zutritt ins Innere dieser Gehäuse, zwecks Inspektion und Wartung, insbesondere zwecks Einbringung von Filter oder anderer austauschbarer Teile der Klimageräte, ermöglicht wird, wobei für die Dimensionierung auch die Modularität der Struktur und/oder der Elemente welche das Gehäuse bilden berücksichtigt werden, ohne dass Anpassungsarbeiten erforderlich sind, um eine Montage, bzw. einen Austausch, auf einfache und schnelle Weise zu ermöglichen und eine wirkungsvolle Abdichtung ohne Wärmebrücken zu sichern.The invention relates to a door or a hatch with a corresponding stick frame which is suitable for mounting on housings for air-conditioning units, which allows access to the interior of these housings for inspection and maintenance, in particular for the purpose of inserting filters or other replaceable parts of the air-conditioning units is taking into account for the dimensioning also the modularity of the structure and/or the elements that make up the case, without the need for adjustment work, to allow assembly or replacement in a simple and quick way and an effective seal without to secure thermal bridges.

Aus der EP 1813763 A2 ist die Herstellung von Türen und Luken bekannt welche aus einer äußeren und einer inneren Schale aus Metallblech geformt sind, unter sich durch Umbiegen der umlaufenden Ränder verbunden sind und einen vorstehenden mehrschichtigen umlaufenden Flansch bilden welcher dem, eventuell mit elastischer Dichtung versehenen, Anschlag am Stockrahmen entspricht, wobei dieser meist in einer Öffnung an einem der modularen Elemente, welche z.B. das Gehäuse für Klimageräte bilden, befestigt ist. Zwischen den besagten Schalen aus Metallblech ist ein wärmeisolierender Werkstoff enthalten, nachdem jedoch die äußere Schale mit der inneren im direkten Kontakt steht, findet zwischen dem äußeren Umfeld und dem Innenraum ein andauernder Temperaturaustausch an der gesamten umlaufenden Oberfläche statt, weiters sichert die einfache Dichtung nicht eine wirkungsvolle Abdichtung und, wegen des Fehlens einer Luftkammer und einer zweiten Dichtung, kommt es häufig zur Bildung von Kondenswasser im Bereich des Anschlags.From the EP 1813763 A2 the production of doors and hatches is known which are formed from an outer and an inner shell of sheet metal, connected to each other by bending the peripheral edges and forming a protruding multilayer peripheral flange which corresponds to the abutment on the stick frame, possibly provided with an elastic seal , whereby this is usually fastened in an opening on one of the modular elements which, for example, form the housing for air conditioning units. A heat-insulating material is contained between said shells made of sheet metal, but since the outer shell is in direct contact with the inner one, there is a continuous temperature exchange between the outer environment and the inner space on the entire peripheral surface, moreover, the simple seal does not ensure one effective sealing and, due to the lack of an air chamber and a second seal, condensation often occurs in the area of the stop.

Es ist, z.B. aus der EP 2631407 A2 , der Einsatz metallischer Profile für die Herstellung von Türen oder Fenster und deren Stockrahmen bekannt, welche eine Wärmebrückenunterbrechung aufweisen, es ist weiters bekannt eine Luftkammer im Bereich des umlaufenden Anschlags vorzusehen welche durch zwei zueinander beabstandeter Dichtungen im Bereich des umlaufenden Anschlages des Flügels und des Stockrahmens definiert wird. Die Herstellung dieser Art von Verbundprofile ist relativ aufwändig und findet vorwiegend im Tür- und Fensterbau im Wohnungssektor Anwendung, wo ein häufiges Öffnen und Schließen und ein bestimmter Komfort gefragt ist.It is, for example, from the EP 2631407 A2 , the use of metallic profiles for the production of doors or windows and their frames are known, which have a thermal bridge interruption, it is also known to provide an air chamber in the area of the peripheral stop which is sealed by two spaced-apart seals in the area of the peripheral stop of the sash and the frame is defined. The production of this type of composite profile is relatively complex and is mainly used in door and window construction in the residential sector, where frequent opening and closing and a certain level of comfort are required.

Die obgenannten Lösungen sehen nicht das Realisieren des Stockrahmens mit einer möglichst großen vertikalen Durchgangslichte vor, nur an Balkon- oder Terrassentüren ist es bekannt eine möglichst flache Schwelle, von der in EP 1746240 A1 gezeigten Art, mit einem spezifischen Dichtungssystem zu verwenden, welches sich von jenem an den vertikalen Teilen und am oberen horizontalen Teil des Stockrahmens unterscheidet. Dieses spezifische Dichtungssystem macht von einer oder von zwei Bürstendichtungen Gebrauch, welche geeignet sind den Luftdurchzug zu begrenzen jedoch nicht um eine Abdichtung zu erreichen.The above solutions do not provide for the realization of the floor frame with the largest possible vertical passageway, only on balcony or patio doors is it known to have a threshold that is as flat as possible, from which in EP 1746240 A1 type shown, to be used with a specific sealing system different from that on the vertical parts and on the upper horizontal part of the cane frame. This specific sealing system makes use of one or two brush seals, which are suitable to limit the air passage but not to achieve a seal.

Aus der US 2004/0149757 A1 ist eine Tür für Klimageräte bekannt, wobei weder der Türflügel noch der Türstock Wärmebrückenunterbrechungen aufweisen, zwischen Türflügel und Türstock ist eine einzige Dichtung vorgesehen welche auf die selbe Weise an den vertikalen und an den horizontalen Teilen (Schwelle, Sturz) des Türstockes wirkt. Eine Tür mit diesen Merkmalen ist der Kondensbildung am Flügel und am Stock ausgesetzt, insbesondere im Umfangsbereich, nahe der (einzigen!) Dichtung. Die horizontalen Stockelemente haben identischen Z-förmigen Querschnitt, die Tür hat am gesamten Umfangsbereich einheitlichen Querschnitt. Der von den horizontalen Stockelementen gebildete Anschlag für die einzige Dichtung der Tür hat identische Form und Maße wie der entsprechende Anschlag an den vertikalen Stockprofilen. Beide horizontalen Stockprofile weisen einen vertikalen Befestigungsflansch auf welcher, im Fall eines modularen Aufbaus des Gehäuses, den Austausch eines Wandelementes mit dem Türstock samt Tür oder die Montage zweier Türelemente übereinander an Stelle zweier übereinander montierter Wandelemente verhindern würde. Die gegen die vertikale Durchgangslichte sich erstreckenden, relativ breiten Anschläge der horizontalen Stockprofile begrenzen beachtlich die vertikale Durchgangslichte.From the US 2004/0149757 A1 a door for air conditioners is known, whereby neither the door leaf nor the door frame have thermal bridge interruptions, between the door leaf and the door frame there is a single seal which acts in the same way on the vertical and on the horizontal parts (threshold, lintel) of the door frame. A door with these characteristics is subject to the formation of condensation on the leaf and the stick, especially in the peripheral area, close to the (only!) seal. The horizontal floor elements have an identical Z-shaped cross-section, the door has a uniform cross-section along the entire perimeter. The stop formed by the horizontal frame elements for the sole seal of the door has the same shape and dimensions as the corresponding stop on the vertical frame profiles. Both horizontal stock profiles have a vertical mounting flange which, in the case of a modular construction of the housing, would prevent the exchange of a wall element with the door frame together with the door or the assembly of two door elements one above the other instead of two wall elements mounted one above the other. The relatively wide stops of the horizontal stick profiles, which extend towards the vertical passage, considerably limit the vertical passage.

Aus der DE 102012106345 A1 ist eine Tür mit Türstock für den Wohnungsbau bekannt, wobei, sei es der Türflügel als auch der Türstock Behelfe zur Unterbrechung der Wärmebrücken aufweisen. Das Türblatt weist im Schwellenbereich einen spezifischen Querschnitt auf und ist mit zwei umlaufenden Dichtungen ausgestattet welche unter sich beabstandet sind während der Türstock an beiden vertikalen Elementen und am oberen horizontalen Element (Sturz) eine Dichtung aufweist ist am unteren extrudierten Element (Schwelle) mit mehreren Innenkammern eine "Dichtung" (Schwellendichtung 184) vorgesehen welche an keinem Punkt des Türflügels anliegt, aber eine Reduzierung des Querschnittes des metallischen Teiles des Schwelle darstellt. Dadurch dass die Schwelle aus einem extrudierten Profil mit mehreren Kammern besteht, hat diese eine bestimmte Stärke welche, zusammen mit dem vorstehenden Teil für die Auflage der Dichtung des Türflügels und dem beachtlichen Querschnitt des oberen horizontalen Teiles (Sturz) welcher identischen Querschnitt wie die vertikalen Teile aufweist, beachtlich die vertikale freie Durchgangslichte reduziert.From the DE 102012106345 A1 a door with a door frame is known for residential construction, with either the door leaf or the door frame having aids to interrupt thermal bridges. The door leaf has a specific cross-section in the threshold area and is equipped with two peripheral seals which are spaced among themselves while the door frame has a seal on both vertical elements and on the upper horizontal element (lintel) is on the lower extruded element (threshold) with several internal chambers a "seal" (sill seal 184) is provided which does not rest on any point of the door leaf, but represents a reduction in the cross-section of the metallic part of the sill. Because the sill consists of an extruded profile with several chambers, it has a certain thickness which, together with the protruding part for the bearing of the door leaf seal and the considerable cross-section of the upper horizontal part (lintel) have the same cross-section as the vertical parts has considerably reduced the vertical free passage light.

Die Erfindung stellt sich die Aufgabe eine Tür oder eine Luke der obgenannten Art für Gehäuse für Klimageräte zu schaffen, wobei eine maximale vertikale Durchgangslichte gesichert wird welche fast der maximalen vertikalen Höhe der Tür oder der Luke entspricht, wobei eine Abdichtung zwischen dem Türflügel und dem Türstock und eine Wärmedämmung ohne Wärmebrücken zwischen dem Außenteil welcher normalerweise den Umwelteinflüssen ausgesetzt ist und dem Innenteil welcher den im Gehäuseinneren herrschenden Temperatur- und Feuchtigkeitsverhältnissen ausgesetzt ist, gesichert wird, wodurch die Kondensbildung, insbesondere im Bereich zwischen Stockrahmen und Türflügel, verhindert wird.The object of the invention is to create a door or a hatch of the above type for housings for air-conditioning units, whereby a maximum vertical clearance is ensured which almost corresponds to the maximum vertical height of the door or hatch, with a seal between the door leaf and the door frame and thermal insulation without thermal bridges between the outer part, which is normally exposed to environmental influences, and the inner part, which is exposed to the temperature and humidity conditions prevailing inside the housing, is ensured, thereby preventing the formation of condensation, especially in the area between the frame and the door leaf.

Zur Lösung dieser Aufgabe schlägt die Erfindung eine Tür nach Anspruch 1 vor welche aus einer äußeren und einer inneren Blechschale besteht, welche beide einen umlaufenden um 90° abgebogenen Rand aufweisen welcher an einem zwischenliegenden Kunststoffprofil mit mehreren Innenkammern befestigt ist, wobei dieses als Wärmebrückenunterbrechung wirkt. Der Raum zwischen den besagten Schalen welcher leicht zugänglich ist, kann mit wärmeisolierendem Werkstoff ausgefüllt werden. Das besagte Kunststoffprofil weist einen Sitz für den Einsatz einer ersten elastischen Dichtung und, in einem dazu beabstandeten Bereich, für eine zweite elastische, z,B. anextrudierte, Dichtung, auf. Der Querschnitt durch den Umfangsbereich der Tür ist also identisch für die vertikalen und auch für beide horizontalen Seiten.To solve this problem, the invention proposes a door according to claim 1, which consists of an outer and an inner sheet metal shell, both of which have a peripheral edge bent by 90° which is attached to an intermediate plastic profile with several inner chambers, which acts as a thermal bridge interruption. The space between said shells, which is easily accessible, can be filled with heat-insulating material. Said plastic profile has a seat for the insertion of a first elastic seal and, in a spaced area therefrom, for a second elastic, e.g. extruded, seal, on. The cross-section through the peripheral area of the door is therefore identical for the vertical and also for both horizontal sides.

Der Stockrahmen für die besagte Tür besteht aus zwei vertikalen Teilen, von denen jedes der Teile aus einem metallischen Verbundprofil mit zwischengelegten Kunstsoffstegen von der bekannten Art, zwecks Wärmebrückenunterbrechung, zwischen dem äußeren Teil welcher den Umwelteinflüssen ausgesetzt ist und dem inneren Teil welcher den Temperatur- und Feuchtigkeitsverhältnissen im Gehäuseinneren ausgesetzt ist und aus zwei identischen horizontalen Elementen welche aus L-förmig gebogenem Blech oder aus einem L-Profil mit flachem Querschnitt hergestellt sind, wobei der vertikale Flansch an der, dem Gehäuseinneren zugewandten Seite, als Anschlag für die erste der, am Turanschlag umlaufend montierten, Dichtungen dient. Die besagten horizontalen Elemente sind an beiden der Enden mittels Schrauben an den Stirnflächen der entsprechenden vertikalen Verbundprofile befestigt, welche zu diesem Zweck mit eigenen Einschraubsitzen mit vertikalen Achsen ausgestattet sind.The stick frame for the said door consists of two vertical parts, each of which consists of a metal composite profile with interposed plastic strips of the known type, for the purpose of breaking thermal bridges, between the outer part, which is exposed to environmental influences, and the inner part, which is exposed to temperature and is exposed to humidity conditions inside the housing and consists of two identical horizontal elements made of sheet metal bent in an L-shape or of an L-profile with a flat cross-section, the vertical flange on the side facing the housing interior serving as a stop for the first of the, am Door stop mounted all around, seals are used. Said horizontal elements are fixed at both ends by means of screws to the faces of the corresponding vertical composite profiles, which for this purpose are equipped with their own screwing seats with vertical axes.

Um eine wirkungsvolle Abdichtung mittels der ersten Dichtung, welche an der Tür im Umfangsbereich umlaufend angebracht und gegen das Gehäuseinnere ausgerichtet ist, sei es an den vertikalen Verbundprofilen des Türstockes als auch an den im Querschnitt L-förmigen horizontalen Elementen, zu sichern, weist die besagte Dichtung vorzugsweise einen rohr- oder pilzförmigen Querschnitt auf.The said Seal preferably has a tubular or mushroom-shaped cross section.

Die Dichtung liegt, bei geschlossenem Türflügel, infolge einer elastischen Verformung durch Druckbelastung, entlang einer der sich gegenüberliegenden Seiten an der abgebogenen Flanke der inneren Schale der Tür und, entlang der anderen Seite, am Bereich der, zum Gehäuseinneren ausgerichteten, Kante des vertikalen Verbundprofils, an. In Bezug auf die beiden horizontalen, im Querschnitt L-förmigen, Elemente hingegen liegt die selbe erste Dichtung, entlang einer Seite immer am abgebogenen Rand der inneren Schale des Türflügels an, während sie, mit einem Teil der nach innen des Gehäuses für Klimageräte gewandten Fläche, an jenem Anschlag anliegt, welcher vom vertikalen Flansch der L-förmig gebogenen oder im Querschnitt L-förmigen Profile gebildet wird. Die besagten Elemente mit L-förmigem Querschnitt können vorteilhafterweise, z.B. durch Biegen eines Inox-Bleches hergestellt werden, ohne den Einsatz profilierter oder extrudierter Elemente aus unterschiedlichen Werkstoffen auszuschließen. Um die Wärmeübertragung zwischen dem, dem Gehäuseinneren und dem Gehäuseaußenbereich ausgesetzten Teilen zu reduzieren, kann der breite Teil des L-förmigen Profils schmäler als die Breite der vertikalen Elemente des Türstocks sein oder Längsschlitze oder Ausnehmungen aufweisen um den Querschnitt für die Wärmeübertragung, insbesondere im nach außen gerichteten Bereich, jenseits des Auflagebereiches der koextrudierten Dichtung am, die beiden Schalen des Türflügels verbindenden, Kunststoffprofil zu reduzieren. Im Falle des schmäleren Flansches kann, im Bereich der Befestigung an der Stirnfläche der vertikalen Elemente, ein Element aus wärmeisolierendem Kunststoff vorgesehen sein welches den, nicht vom Flansch des L-förmigen Elementes abgedeckten, Bereich einnimmt.When the door leaf is closed, the seal lies along one of the opposite sides on the bent flank of the inner shell of the door as a result of elastic deformation due to pressure load and, along the other side, on the area of the edge of the vertical composite profile facing the inside of the housing. on. With regard to the two horizontal elements, on the other hand, L-shaped in cross-section, the same first seal always rests, along one side, on the bent edge of the inner shell of the door leaf, while, with part of the surface facing the inside of the air-conditioning unit casing , rests against that stop which is formed by the vertical flange of the L-shaped bent or L-shaped cross-section profiles. Said elements with an L-shaped cross-section can advantageously be made, for example, by bending a stainless steel sheet, without excluding the use of profiled or extruded elements made of different materials. In order to reduce the heat transfer between the parts exposed to the housing interior and the housing exterior, the wide part of the L-shaped profile can be narrower than the width of the vertical elements of the door frame or have longitudinal slots or recesses around the cross-section for heat transfer, especially in the rear outward area, beyond the contact area of the coextruded seal on the plastic profile connecting the two shells of the door leaf. In the case of the narrower flange, an element made of heat-insulating plastic can be provided in the area of attachment to the end face of the vertical elements, which occupies the area not covered by the flange of the L-shaped element.

Um die progressive und wirksame Verformung der ersten Dichtung welche umlaufend am Türflügel, entlang dem nach innen des Gehäuses für Klimageräte ausgerichteten Rand angebracht ist, zu begünstigen, hat das vertikale Verbundprofil des Stockrahmens einen keilförmigen Querschnitt welcher die freie Durchgangslichte in Richtung Gehäuseinneres vermindert.In order to favor the gradual and effective deformation of the first seal, which is applied peripherally to the door leaf, along the edge facing inwards of the air-conditioning unit casing, the composite vertical profile of the frame has a wedge-shaped cross-section that reduces the free passage clearance towards the inside of the casing.

Die Praxis hat gezeigt, dass die Tür, bzw. die Luke, mit den erfindungsgemäßen Konstruktionsmerkmalen auch den, durch die Druckänderungen zwischen dem Gehäuseinneren und dem Außenbereich hervorgerufenen, Belastungen gut standhält, wobei sie die Formstabilität und die Dichtheit sicherstellt.Practice has shown that the door or hatch with the construction features according to the invention also withstands the stresses caused by the pressure changes between the housing interior and the exterior, while ensuring dimensional stability and tightness.

Die Anbringung der Scharniere und Klinken, bzw. der Verschlussbeschläge, an der Tür erfolgt auf bekannte Art.The attachment of the hinges and handles, or the locking fittings, to the door is done in a known way.

Die Befestigung des Türstockes an den modularen Elementen und/oder an der Struktur des Gehäuses für Klimageräte erfolgt mittels bekannter Befestigungselemente, wobei zu berücksichtigen ist dass, wegen des flachen Querschnittes die L-förmigen horizontalen Elemente mehrere Befestigungspunkte erforderlich sind um dadurch diesen Elementen mehr Formstabilität zu verleihen.The fastening of the door jamb to the modular elements and/or to the structure of the air-conditioning unit housing is carried out using known fasteners, bearing in mind that, due to the flat section, the L-shaped horizontal elements require several attachment points, thereby giving these elements more dimensional stability to lend.

Die Erfindung wird anschließend, anhand eines, in den Zeichnungen schematisch dargestellten, vorzuziehenden Ausführungsbeispieles einer erfindungsgemäßen Tür für Gehäuse für Klimageräte näher erklärt, dabei erfüllen die Zeichnungen rein erklärenden, nicht begrenzenden Zweck.The invention will be explained in more detail below with reference to a preferred exemplary embodiment of a door according to the invention for housings for air-conditioning units, shown diagrammatically in the drawings, the drawings serving a purely explanatory purpose and not limiting.

Die Fig. 1 zeigt die Außenansicht einer erfindungsgemäßen Tür zusammen mit dem entsprechenden Türstock.the 1 shows the outside view of a door according to the invention together with the corresponding door frame.

Die Fig. 2 zeigt einen horizontalen Schnitt durch den Türflügel samt Türstock gemäß der in Fig. 1 gezeigten Schnittebene II-II.the 2 shows a horizontal section through the door leaf including the door frame according to 1 section plane II-II shown.

Die Fig. 3 zeigt einen vertikalen Schnitt durch den Türflügel samt Türstock gemäß der in Fig. 1 gezeigten Schnittebene III-III.the 3 shows a vertical section through the door leaf including the door frame according to 1 Section plane III-III shown.

Die Fig. 4 zeigt als horizontale Schnittdarstellung das vergrößerte Detail des vertikalen Randes des Türflügels und des entsprechenden Türstockes.the 4 shows, as a horizontal section, the enlarged detail of the vertical edge of the door leaf and the corresponding door frame.

Die Fig. 5 zeigt als vertikale Schnittdarstellung das vergrößerte Detail des unteren Randes des Türflügels und des entsprechenden horizontalen L-förmigen Elementes des Stockrahmens.the figure 5 shows, in vertical section, the enlarged detail of the lower edge of the door leaf and the corresponding horizontal L-shaped element of the stick frame.

Der erfindungsgemäße Türflügel 1 besteht aus einer äußeren Schale 1a und einer inneren Schale 1c aus Metallblech welche im Umfangsbereich über ein Kunststoffprofil 2 verbunden sind, dabei ist der Raum zwischen den besagten Schalen von einem wärmeisolierenden Werkstoff ausgefüllt. Die nach innen des Gehäuses für Klimageräte gerichtete Schale 1a weist einen umlaufenden Rand 1b auf welcher um 90° abgewinkelt ist und, z.B. durch Kleben, in einer Rille 2a des Kunststoffprofils 2 verankert ist. Auch die äußere Schale 1c weist einen umlaufenden um 90° abgewinkelten Rand 1d auf welcher mittels Schrauben 3 am selben Kunststoffprofil 2 befestigt ist, diese Schale ist somit leicht. auch nachträglich, demontierbar, z.B. um den wärmeisolierenden Werkstoff zwischen den beiden Schalen auszutauschen.The door leaf 1 according to the invention consists of an outer shell 1a and an inner shell 1c made of sheet metal which are connected in the peripheral area via a plastic profile 2, the space between said shells being filled with a heat-insulating material. The shell 1a facing inwards of the housing for air conditioning units has a peripheral edge 1b which is angled at 90° and is anchored in a groove 2a of the plastic profile 2, e.g. by gluing. The outer shell 1c also has a circumferential 90° angled edge 1d which is attached to the same plastic profile 2 by means of screws 3, this shell is therefore light. can also be dismantled later, e.g. to replace the heat-insulating material between the two shells.

Das Kunststoffprofil 2 ist von der extrudierten Art mit mehreren Innenkammern um eine hohe Formstabilität zu sichern und als Unterbrechung der Wärmeübertragung zwischen den beiden Schalen 1a, 1c zu wirken, welche unterschiedlichen Temperaturen ausgesetzt sind. In eine Rille 2b des Profils 2 ist eine elastische Dichtung 4 eingesetzt, diese ist von der rohrförmigen Art und liegt mit einer Längsseite am Rand 1b der inneren Schale 1a an. An der Längsseite des Profils 2 welche zum Türstock 6, 8 gerichtet ist, ist eine anextrudierte elastische, in Richtung Türstock abragende, Dichtung 2c vorgesehen. In einer Ausführung, welche nicht zur Gegenstand der Ansprüche gehört, ist auch die Dichtung 4 von der anextrudierten Art.The plastic profile 2 is of the extruded type with several internal chambers in order to ensure a high dimensional stability and to act as an interruption of the heat transfer between the two shells 1a, 1c subjected to different temperatures. In a groove 2b of the profile 2 is inserted an elastic seal 4, this is of the tubular type and abuts with one longitudinal side against the edge 1b of the inner shell 1a. On the longitudinal side of the profile 2, which is directed towards the door frame 6, 8, an extruded elastic seal 2c is provided, protruding in the direction of the door frame. In an embodiment which does not form part of the claims, the seal 4 is also of the extruded type.

Der erfindungsgemäße Türstock besteht aus zwei vertikalen Verbundprofilen 6 mit Elementen 6a für die Unterbrechung der Wärmebrücken und aus zwei im Querschnitt L-förmigen horizontalen Elementen 8 welche an den Enden mittels Schrauben 3 an den oberen und unteren Stirnflächen der vertikalen Verbundprofile 6 befestigt sind welche für diesen Zweck mit Einschraubsitze 6d versehen sind. Die besagten horizontalen L-förmigen Elemente 8 weisen auf der nach innen des Gehäuses für Klimageräte gerichteten Seite einen vertikalen Flansch 8a auf welcher als Anschlag für die Dichtung 4 des Türflügels 1 wirkt, während an der nach außen gerichteten Seite, vorzugsweise in einem Bereich jenseits der Auflage der Dichtung 2c des Profils 2, der Querschnitt durch Durchbrüche oder Längsschlitze 8b reduziert ist. Sei es die horizontalen L-förmigen Elemente 8, als auch die vertikalen Profile 6, sind am Gehäuse für Klimageräte mittels Schrauben 7 oder anderer bekannter Befestigungsmittel befestigt. Die vertikalen Profile 6 haben einen keilförmigen Querschnitt mit dem breiteren Teil nach innen des Gehäuses für Klimageräte gerichtet um, während dem letzten Teil der Schließbewegung der Tür 1, die elastische Verformung der Dichtung 4 durch Druckbelastung zwischen dem Bereich nahe an der Kante der Verbundprofile 6 und dem Rand 1a der inneren Schale, zu bewirken. Während der selben Schließbewegung wird hingegen die Dichtung 4 mit der Stirnlängsseite gegen den, als Anschlag wirkenden, Flansch 8a der horizontalen L-förmigen Elemente 8 gedrückt.The door frame according to the invention consists of two vertical composite profiles 6 with elements 6a for the interruption of thermal bridges and two horizontal elements 8 with an L-shaped cross section which are fastened at the ends by means of screws 3 to the upper and lower faces of the vertical composite profiles 6 which are used for this Purpose are provided with screw-in seats 6d. Said horizontal L-shaped elements 8 point to the side facing inwards of the housing for air-conditioning devices, a vertical flange 8a on which acts as a stop for the seal 4 of the door leaf 1, while on the side facing outwards, preferably in an area beyond the bearing of the seal 2c of the profile 2, the cross section through Breakthroughs or longitudinal slots 8b is reduced. Be it the horizontal L-shaped elements 8, as well as the vertical profiles 6, are fixed to the housing for air conditioners by means of screws 7 or other known fasteners. The vertical profiles 6 have a wedge-shaped cross section with the wider part directed towards the inside of the housing for air conditioners in order to, during the last part of the closing movement of the door 1, the elastic deformation of the seal 4 by compressive loading between the area close to the edge of the composite profiles 6 and the edge 1a of the inner shell. During the same closing movement, however, the seal 4 is pressed with the front long side against the flange 8a of the horizontal L-shaped elements 8, which acts as a stop.

Zwischen der Dichtung 4 und der koextrudierten, vom Profil 2 abstehenden, Dichtung 2c bildet sich, bei geschlossener Tür 1, eine dichte Luftkammer A welche geeignet ist die isolierende Wirkung zwischen jenem Teil welcher dem Inneren des Gehäuses für Klimageräte ausgesetzt ist und jenem welcher den eventuellen Umwelteinflüssen ausgesetzt ist, zu verbessern.Between the seal 4 and the co-extruded seal 2c protruding from the profile 2, with the door 1 closed, a sealed air chamber A is formed which is suitable for the insulating effect between that part exposed to the inside of the air-conditioning unit casing and that exposed to the eventual Is exposed to environmental influences to improve.

Die den Türflügel 1 und den entsprechenden Türstock bildenden Elemente sind aus preisgünstigen Werkstoffen herstellbar und durch sehr verbreitete Maschinen und Vorrichtungen verarbeitbar.The elements forming the door leaf 1 and the corresponding door jamb can be made from inexpensive materials and can be processed using machines and devices that are very common.

Der umlaufende Rand des Türflügels 1, welcher an allen vier Seiten den selben Querschnitt aufweist, ermöglicht es, sei es an den vertikalen Profilen 6, als auch an den horizontalen L-förmigen Elementen 8 des Türstockes, eine wirkungsvolle Abdichtung zu erreichen. Die minimale Erstreckung in vertikaler Richtung der L-förmigen Elemente 8, ermöglicht das Erreichen einer vertikalen freien Durchgangslichte am Türstock, welche wenig kleiner als das vertikale Ausmaß des Türflügels ist.The peripheral edge of the door leaf 1, which has the same cross-section on all four sides, makes it possible to achieve an effective seal, both on the vertical profiles 6 and on the horizontal L-shaped elements 8 of the door frame. The minimum extension in the vertical direction of the L-shaped elements 8 allows achieving a vertical free Passage light on the door frame, which is slightly smaller than the vertical extent of the door leaf.

Die Tür oder die Luke ist mit Scharnieren 5 mit Scharnierzapfen 5a ausgestattet welche an einem der vertikalen Verbundprofile 6 des Türstockes befestigt 5b sind; der Türflügel 1 ist mit mindestens einer Schließvorrichtung 9 ausgestattet.The door or hatch is provided with hinges 5 with hinge pins 5a fixed 5b to one of the composite vertical profiles 6 of the door jamb; the door leaf 1 is equipped with at least one locking device 9 .

Claims (4)

  1. A door or hatch for a housing for air-conditioning devices, wherein the door leaf (1) consists of a metal casing which contains a heat-insulating material and which is equipped with spaced-apart elastic seals (4, 2c) around the periphery, and wherein the door frame consists of two vertical composite profiles (6) which are connected by two horizontal elements (8), wherein the metal casing of the door leaf (1) is formed of two metal shells (1a, 1c), characterized in that the door leaf (1) has a uniform cross-section on the entire peripheral region, in that the two metal shells (1a, 1c) are connected in the peripheral region by means of a plastic profile (2) which has at least one inner chamber, the peripheral edges (1b), bent through 90°, of the inner shells (1a) being anchored to said plastic profile (2) in a corresponding groove (2a) and the peripheral edges (1d), bent through 90°, of the outer shell (1c) being fastened to the same plastic profile (2) by screws (3), in that the plastic profile (2) is equipped with a first seal (4) which bears with one of the lateral longitudinal regions against the edge (1b) of the shell (1a) directed towards the interior of the housing for air-conditioning devices, while the opposite longitudinal region bears against the vertical composite profiles (6) when the door leaf is closed, in that the same plastic profile (2) is equipped with a second seal (2c) which is spaced apart from the first and projects towards the vertical elements (6) and horizontal elements (8) forming the door frame, in that both horizontal elements (8) of the door frame have an identical, flat L-shaped cross-section, the vertical flange (8a) that protrudes towards the clear opening being much narrower than the horizontal flange (8b) that is fastened to the end faces of the vertical elements formed by the vertical composite profiles (6) with a break in the thermal bridge, in that these vertical composite profiles (6) have a wedge-shaped cross-section that constricts the horizontal clear opening, and in that the same first seal (4), when the door leaf is closed, bears only with its front longitudinal region against the vertical flange (8a) of both horizontal elements (8).
  2. The door or hatch according to claim 1, characterized in that the second elastic seal (2c) projects from the plastic profile (2), in the direction of the elements (6, 8) of the door frame, in a region that is arranged further inwards in relation to the edge (1d) of the outer sheet-metal shell (1c) of the door leaf (1), said seal pressing against said elements (6, 8) of the door frame when the door (1) is closed.
  3. The door or hatch according to claim 1, characterized in that on the horizontal flange (8b), which has a greater width, the horizontal L-shaped elements (8) are equipped with longitudinal slots or recesses in the outwardly directed region of the housing for air-conditioning devices, which are suitable for reducing the cross-section.
  4. The door or hatch according to claim 1, characterized in that the horizontal flange (8b), which has a greater width, of the horizontal L-shaped elements (8) of the door frame has such a width that it defines with the outwardly directed edge the bearing line of the second elastic seal (2c) that projects from the plastic profile (2) of the door leaf (1).
EP17000494.9A 2016-04-05 2017-03-24 Door for housing for an air- conditioning device Active EP3228798B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA2016A002856A ITUA20162856A1 (en) 2016-04-05 2016-04-05 DOOR FOR ENCLOSURES FOR AIR CONDITIONERS

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EP3228798A1 EP3228798A1 (en) 2017-10-11
EP3228798B1 true EP3228798B1 (en) 2022-01-19

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EP (1) EP3228798B1 (en)
IT (1) ITUA20162856A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106522752A (en) * 2016-12-14 2017-03-22 上海新晃空调设备股份有限公司 Air conditioning unit high-tightness cold-bridge-free all-water-blown inspection door
CN111412642A (en) * 2020-04-26 2020-07-14 四川省龙栢腾科技有限公司 Isolation sealing structure of cabinet lock catch

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2764326B1 (en) * 1997-06-10 1999-07-30 Husky Sa LOCAL ENTRANCE DOOR
US6974383B2 (en) * 2003-01-31 2005-12-13 American Standard International Inc. Cabinet for air handling equipment
EP1746240A1 (en) 2005-07-18 2007-01-24 SYLID Systemlogistik und Industriedienstleistung GmbH Sealing device for the lower edge of a door
DE202006001206U1 (en) 2006-01-26 2006-04-13 Tekla-Technik, Tor + Tür GmbH & Co. KG Door leaf in box shape
PL231569B1 (en) 2012-02-22 2019-03-29 Aluprof Spolka Akcyjna Constructional combination of door leaf and a door jamb
DE102012106345B4 (en) * 2012-07-13 2015-02-26 Hörmann KG Eckelhausen Method for producing a front door leaf and front door leaf produced therewith

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