EP4015738B1 - Dispositif formant puits de lumière - Google Patents

Dispositif formant puits de lumière Download PDF

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Publication number
EP4015738B1
EP4015738B1 EP20215543.8A EP20215543A EP4015738B1 EP 4015738 B1 EP4015738 B1 EP 4015738B1 EP 20215543 A EP20215543 A EP 20215543A EP 4015738 B1 EP4015738 B1 EP 4015738B1
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EP
European Patent Office
Prior art keywords
shaft
light
heat insulation
shaft wall
capillary blocking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP20215543.8A
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German (de)
English (en)
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EP4015738A1 (fr
Inventor
Christian Sandl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Josef Hain & Co Kg GmbH
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Josef Hain & Co Kg GmbH
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Priority to EP20215543.8A priority Critical patent/EP4015738B1/fr
Publication of EP4015738A1 publication Critical patent/EP4015738A1/fr
Application granted granted Critical
Publication of EP4015738B1 publication Critical patent/EP4015738B1/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F17/00—Vertical ducts; Channels, e.g. for drainage
    • E04F17/06—Light shafts, e.g. for cellars
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls
    • E04B1/7641—Elements for window or door openings, or for corners of the building

Definitions

  • the present invention relates to a light shaft arrangement for arrangement in particular in front of a basement window on a house wall of a building, and to a method for its production.
  • Light shafts usually consist of a U-shaped shaft element, which is closed off at the bottom by a base part and defines an upper shaft opening.
  • the upper shaft opening is usually covered with a grating or a continuous cover plate. While the grating and possibly also the cover plate are designed to be air-permeable, so that air can circulate between the interior of the shaft and the outside of the building, the floor element is primarily used to seal the light shaft from below in a watertight manner to prevent moisture from penetrating into the building to prevent shaft space.
  • U1 discloses a shaft element for a light shaft with a U-shaped cross section. On the surfaces of the free legs of the U-shaped light shaft is an insulating element made of foam by means of a sealing adhesive, z. B. based on silicone attached.
  • the object of the invention is to create an improved light well arrangement for a light well for arrangement on a housing wall and a method for its production, whereby the light well arrangement can be assembled quickly and easily on site and the sealing properties are improved.
  • a light shaft arrangement which is used in particular for arrangement in front of a basement window on a house wall of a building, with a light shaft which has a shaft wall element with a U-shaped or arc-shaped cross section and a floor element which closes the shaft wall element at the bottom, a thermal insulation element , which is applied to the end faces of the shaft wall element and base element, and a sealing element which is arranged on the side of the thermal insulation element which is remote from the shaft wall element or base element.
  • a capillary blocking element is provided, which has a light shaft-side section that extends in the shaft wall element and floor element. The capillary blocking element is connected to the thermal insulation element.
  • the capillary blocking element is provided continuously along the connection area between the shaft wall element and the floor element with the thermal insulation element and consists of a water-impermeable and deformable material.
  • the capillary blocking element is used on the one hand to connect the shaft wall element and base element to the heating element and on the other hand acts as a watertight separating layer.
  • the capillary blocking element effectively prevents the capillary transport mechanism in the area where the shaft wall element and base element are connected to the thermal insulation element. i.e. creeping ingress of moisture from the outside of the light well to the inside of the light well is prevented.
  • the connection area is prevented from acting as a thermal bridge. If the capillary blocking element is provided continuously along the connection area between the shaft wall element and the floor element with the thermal insulation element, this occurs again an interruption of the capillary effect in the entire connection area between the shaft wall element and the floor element with the thermal insulation.
  • an improved watertightness of the connection between the shaft wall element and floor element with the thermal insulation element can be achieved.
  • the watertightness of the material is relevant for the function as a capillary blocking element, while the deformability of the material is important in the production of the light well arrangement for adapting the capillary blocking element to the shape of the end faces of the shaft wall element and base wall element.
  • the shaft wall element and base element are cast together in one piece from concrete and the section of the capillary blocking element on the light shaft side is cast into the shaft wall element and base element.
  • This achieves a precisely fitting accommodation of the capillary blocking element in the shaft wall element and base element, which in turn promotes the capillary blocking effect and leads to an improvement in watertightness.
  • this results in a form-fitting connection of the capillary blocking element in the direction perpendicular to the shaft wall element and base element.
  • At least one projection, and preferably a plurality of projections can be provided on the capillary blocking element in such a way that the capillary blocking element is held in a form-fitting manner in the shaft wall element and base element.
  • the capillary blocking element is also held positively in the cast concrete perpendicular to the end faces of the shaft wall element and base element by the projections. i.e. the capillary blocking element is securely and captively connected to the shaft wall element and floor element. This simplifies handling during on-site assembly.
  • the capillary transport mechanism is also along the connection area between manhole wall elements and floor element effectively interrupted with the thermal insulation element and generally in the area of the thermal insulation element.
  • the capillary blocking element also results in an improved connection of the shaft wall element and floor element to the thermal insulation element.
  • the capillary blocking element is preferably connected to the thermal insulation element by gluing using a hybrid sealant made from MS polymer.
  • a hybrid sealant made from MS polymer has the advantage that it is used both for sealing and for bonding.
  • the hybrid sealant creates a watertight connection between the capillary barrier element and the thermal insulation element. This is also important insofar as the capillary effect is present not only in the direction perpendicular to the plane of the thermal insulation element and the shaft wall element, but in all directions.
  • the thermal insulation element can be provided continuously in a U-shape or arc shape on the end faces of the shaft wall element and floor element. This results in thermal insulation in the entire connection area between the shaft wall element and floor element with the building wall. Accordingly, when the shaft wall element and floor element are installed in the building, continuous thermal insulation can be achieved between the shaft wall element and floor element with the wall surrounding the window.
  • the capillary blocking element is advantageously designed in the form of a strip or bar.
  • the capillary blocking element is easy to handle with it.
  • the section forming the capillary blocking element can be drawn off in the desired length from an endless strip-shaped supply and cut to length accordingly.
  • the capillary blocking element preferably runs in planes parallel to the planes of the adjoining walls of the shaft wall element and the base element.
  • the capillary blocking element runs slightly obliquely to the planes of the adjacent walls of the shaft wall element and the base element.
  • the relationship the thickness of the side wall element and base element to the thickness of the capillary blocking element is between 5 and 30, preferably at least 10 and 20. In this area, the capillary blocking element optimally fulfills both functions, namely the connection function and the capillary blocking function.
  • the capillary blocking element consists of a thermoplastic material, watertightness and elastic deformability can be guaranteed.
  • the thermoplastic material is a thermoplastic synthetic material.
  • the advantage is that a thermoplastic can be brought into the U-shape corresponding to the end faces of the shaft wall element and floor element by a simple heat treatment due to its dimensional stability in a range of approximately -20°C to +80°C and its heat deformability. Due to the inherent rigidity of the thermoplastic material, a dimensionally stable capillary blocking element can be produced. If the capillary blocking element consists of an elastomer material, the capillary blocking element behaves flexibly due to its rubber-elastic properties. A temperature treatment in order to bring the capillary blocking element into a specific shape, such as a U-shape or arc shape, is then not required.
  • the thermal insulation element consists of a thermal insulation strip, which is laterally enclosed by two fiber cement panels. This ensures that the thermal insulation strip is protected against damage both before installation and during installation.
  • the thermal insulation strip preferably consists of an extruded polystyrene (XPS), which is suitable as an insulating material for insulating the outer walls of a basement. Since the XPS material is also water-resistant, it is also possible to prevent water or moisture from penetrating the interior of the manhole.
  • other foamed insulating materials can also be used as material for the thermal insulation strips. This can be z. B. be expanded polystyrene (EPS) or polyurethane (PUR).
  • the fiber cement panels can be provided with an additional surface coating to prevent weather influences and to prevent water absorption.
  • the fiber cement panels have a density of at least 1,350 kg/m 3 .
  • the sealing element is preferably provided continuously along the end face of the thermal insulation element. This creates a seal against the ingress of water or moisture in the entire connection area of the thermal insulation element with the building wall. Accordingly, when the light shaft arrangement is installed in the building, an effective seal can be achieved in the connection area of the thermal insulation element with the building wall that surrounds the window.
  • the sealing element is designed in the form of a strip.
  • the capillary blocking element is thus easy to handle and can also be made available in rolls for large-scale production. It only has to be cut to length accordingly.
  • the sealing element has at least one projection section, which extends on the side facing away from the shaft wall element and base element.
  • the projection portion has the advantage that it can be pushed or pressed against the building wall. If the building wall surfaces are not flat or smooth, the projection portion can be pressed against the building wall to compensate for the unevenness for improved waterproofing. This makes both the watertight on-site assembly and the workload much easier. In addition, more pressure can be applied to the narrower projection portions when pressed, so that the sealing is improved.
  • the projection section is also continuous, in particular arranged in a U-shape.
  • the sealing element preferably has at least three projection sections which extend on the side facing away from the shaft wall element and base element.
  • the protruding sections are each spaced apart in the thickness direction of the shaft wall element and base element, resulting in deflection spaces between the protruding sections, into which the protruding sections can deviate laterally when pressed against the building wall. Should cavities still be present between the projections in the installed state, these can advantageously provide additional thermal insulation.
  • the sealing element consists of foam rubber with a density of between 400 g/dm 2 and 1000 g/dm 2 , preferably of between 400 g/dm 2 and 500 g/dm 2 density, and more preferably of between 400 g/dm 2 and 450 g/dm 2 .
  • Sponge rubber has a very high compressive elasticity and very good resilience in the cold (flexibility is retained for more than 5 hours at a temperature of -40° C).
  • Foam rubber also has very good resistance to aging, which is why it is a suitable material for long-term applications such as installing light wells on building walls.
  • Sponge rubber can be made from natural rubbers and/or synthetic rubbers such as e.g. B.
  • EPDM ethylene propylene diene monomer
  • fluororubber fluororubber
  • silicone or chloroprene
  • EPDM with a Shore A hardness of 15° +/- 3° is preferably used to produce the sealing element.
  • EPDM has high compressibility and good sealing properties.
  • the sealing element can also be provided with a closed outer skin. Due to the high compressive elasticity, the EPDM material can already nestle firmly against the surface of the building wall under slight pressure in order to ensure reliable sealing and, for example, to adapt to the changed materials in the event of temperature changes associated with expansion of adjacent materials, such as the building wall to adapt to circumstances.
  • the sealing element is preferably connected to the thermal insulation element by gluing using a hybrid sealant made of MS polymer.
  • a hybrid sealant made from MS polymer has the advantage that it is used both for sealing and for bonding.
  • the hybrid sealant creates a watertight connection between the sealing element and the thermal insulation element.
  • Another advantage of the hybrid sealant is that it can harden with almost no shrinkage, so that no inclusions or gaps are possible.
  • a silicone material can be introduced between the sealing element and the thermal insulation element.
  • the silicone material of the sealing element is not used as an adhesive in this case but as a filler to create or improve a form-fitting connection between the sealing element and the thermal insulation element and thereby improve the tightness.
  • the sealing element can also be fixed to the thermal insulation element with the aid of fastening means such as screws, nails or clips.
  • fastening means such as screws, nails or clips.
  • the invention also relates to a method for producing a light shaft arrangement, which is used in particular for arrangement in front of a cellar window on a house wall of a building, the light shaft arrangement having a light shaft which has a shaft wall element with a U-shaped cross section and a floor element which closes the shaft wall element at the bottom , Furthermore, a thermal insulation element, which is applied to the end faces of the shaft wall element and floor element, and a capillary blocking element, comprising the following steps: providing the thermal insulation element and the capillary blocking element, the capillary blocking element being made of a watertight and deformable material and having a has light well-side section which protrudes from the thermal insulation element; Concrete casting of the shaft wall element and base element including the light well-side portion of the capillary barrier element such that the light shaft-side portion extends into the shaft wall element and base element, and curing the cast shaft wall element and base element including the box element-side portion of the capillary barrier element.
  • the method further includes the step of providing the capillary barrier element with an insulation-side portion received in the thermal insulation element and connected to the thermal insulation element.
  • the thermal insulation element can thus already with the step of connecting the capillary blocking element with the Heat element are also equipped with a lock of the capillary transport mechanism in the connection area between shaft wall element and floor element with the thermal insulation element and in the area of the thermal insulation element itself.
  • the method comprises the step of attaching one fiber cement panel to each side of the thermal insulation strip in such a way that the thermal insulation strip is laterally enclosed by the fiber cement panels.
  • the method preferably comprises the following steps: providing a sealing element which has at least one projection section; and arranging and gluing the sealing element on the side of the thermal insulation element facing away from the shaft wall element and base element before or after the concrete pouring of the shaft wall element and base element in such a way that the protruding section extends on the side of the sealing element facing away from the shaft wall element and base element.
  • a unit consisting of thermal insulation element, capillary blocking element and sealing element can be connected to the shaft wall element and floor element in a single work step, namely concrete pouring.
  • the gluing step can also be carried out at the factory.
  • the light shaft arrangement 2 shown is used for arrangement in front of a basement window on a (not shown) house wall of a building.
  • a light shaft 4 first of a shaft wall element 6, which has a U-shaped cross section, and a base element 8, which closes the shaft wall element 6 at the bottom.
  • the shaft wall element 6 in turn consists of two parallel flat side wall panels 10, 12, both of which are rectangular in shape, and a rectangular transverse wall panel 14.
  • the two side wall panels 10, 12 are connected by the transverse wall panel 14 in such a way that the light shaft 4 has a U-shaped cross section .
  • the side wall panels 10, 12 and the transverse wall panel 14 are arranged at right angles to one another.
  • the floor element 8 in 1 is provided in the form of a rectangular base plate.
  • the side wall panels 10, 12 and the bulkhead panel 14 have the same dimensions (WHD).
  • the U-shaped shaft wall element 6 defines an upper light shaft opening 18 which can be covered with a cover element, not shown, such as a cover plate or a cover grid.
  • the light shaft 4 is formed in one piece from concrete, i.e. the shaft wall element 6 is cast with the floor element 8 in one piece from concrete.
  • the shaft wall element 6 and the floor element 8 can also be separate components which are connected to one another with the aid of appropriate fastening means.
  • a thermal insulation element 22 is also applied to the end faces of shaft wall element 6 and floor element 8 .
  • the thermal insulation element 22 is arranged continuously along the end faces and runs correspondingly in a U-shape along the end faces.
  • a sealing element 24 is in turn applied to the thermal insulation element 22.
  • the sealing element 24 is provided on the side of the thermal insulation element 22 facing away from the light shaft 4 or shaft wall element 6 and floor element 8 or on the end face of the thermal insulation element 22.
  • the sealing element 24 forms the outermost section of the light well arrangement 2 and seals the interior of the light well 4 in the installed state from the outside, usually from the surrounding soil.
  • the thermal insulation element 22 consists of a thermal insulation strip 26, from which 1 the uppermost end surface 27 can be seen.
  • the thermal insulation strip 26 is laterally enclosed by two fiber cement panels 28, 30, which are described in more detail below.
  • the thermal insulation strip 26 is enclosed by the sealing element 24 in the installation direction and enclosed towards the light shaft 4 by the shaft wall element 6 and the floor element 8 . That is, the thermal insulation strip 26 is bordered continuously in a circumferential direction, while the upper end surfaces 27, which 1 are still exposed can be sealed with a hybrid sealant made from MS polymer.
  • the fiber cement panels 28, 30 also have a U-shaped course.
  • the fiber cement panels 28, 30, the thermal insulation element 22 and the sealing element 24 run parallel to one another.
  • the fiber cement panels 28, 30 are formed in strips.
  • the fiber cement panels 28, 30 are each bonded to the associated adjacent fiber cement panels of the floor element 8 at the respective butt joints, so that the butt joints are sealed.
  • On the outer side surfaces of the side wall panels 10, 12 mounting brackets for attachment to the masonry of a building, for. B. by means of screws or bolts.
  • FIG. 2 In relation to 2 is a sectional view along the line AA in 1 of the right side wall panel 12 is shown.
  • the sectional view shows an outer portion of the side wall panel 12, the thermal insulation element 22 arranged thereon with thermal insulation strips 26 and lateral fiber cement panels 28, 30, and the sealing element 24 arranged on the thermal insulation strip 26.
  • the wall thickness of the shaft wall element 6 corresponds approximately to the sum of the thicknesses of the thermal insulation strip 26 and the fiber cement panels 28, 30.
  • a capillary blocking element 34 extends in the side wall panel 12 and in the thermal insulation strip 26.
  • the capillary blocking element 34 is formed by a flat rectangular profile when viewed in cross-section. The profile is centered in the side wall panel 12 and in the thermal insulation strip 26 respectively.
  • a section 35 of the capillary blocking element 34 on the light shaft side extends in the side wall panel 12 and an insulation-side section 36 in the thermal insulation strip 26.
  • the capillary blocking element 34 extends in the thermal insulation strip 26 approximately up to half the total extent of the thermal insulation strip 26 between the side wall panel 12 and sealing element 24.
  • the capillary blocking element 34 is in the form of a strip, plate or strip. Like the fiber cement panels 28, 30, the thermal insulation strip 26 and the sealing element 24, the capillary blocking element 34 is also provided continuously along the connection area between the side wall panel 12 and the base panel 16 with the thermal insulation strip 26. As further from the synopsis of 1 and 2 shows, the capillary blocking element 34 has a U-shaped profile. The fiber cement panels 28, the thermal insulation strip 26, the sealing element 24 and the capillary blocking element 34 run parallel to one another. In particular, the capillary blocking element 34 extends in planes parallel to the planes of the adjoining walls of the shaft wall element 6 and the bottom element 8. As can further be seen from the combination of FIG 1 and 2 shows, the upper side surfaces of shaft wall element 6, thermal insulation strips 26, fiber cement panels 28, 30, sealing element 24 and capillary blocking element 34 are flush.
  • the section 36 of the capillary blocking element 34 on the insulation side is connected to the thermal insulation strip 26 .
  • the capillary blocking element 34 is to the thermal insulation strip 26 in particular by gluing using a hybrid sealant made of MS polymer connected.
  • the hybrid sealant made of MS polymer can also be provided as a sealing material between the shaft wall section 6 and the thermal insulation strip 26 and/or the fiber cement panels 28, 30.
  • the hybrid sealant made from MS polymer is silicone-free, has good adhesive properties, is weather-resistant and can cure with almost no shrinkage.
  • the section 35 of the capillary blocking element 34 on the light shaft side is cast into the side wall plate 12, as described in more detail below.
  • the thermal insulation element 26 or only the insulating strip 24 or only the fiber cement panels 28, 30 can be connected to the side wall panel 12, e.g. B. be connected by gluing.
  • the sealing element 24 is in figure 5 shown in an enlarged sectional view.
  • the sealing element 24 is essentially provided as a sealing strip 38 on which three protruding projection sections 40, 42, 44 or 46, 48, 50 are additionally provided on the two flat, opposite sides.
  • the three projecting sections 40, 42, 44 on the building side extend on the side of the sealing strip 38 facing away from the shaft wall element 6 or floor element 8, while the projecting sections 46, 48, 50 on the light shaft side extend from the opposite side of the sealing strip 38. That is, the boss portions 40, 42, 44 and the boss portions 46, 48, 50 extend from the sealing strip 38 in opposite directions. How further in figure 5 As can be seen, adjacent projection portions 40, 42, 44 and 46, 48, 50, respectively, are spaced apart. While the projecting sections 40, 42, 44 on the building side all have the same longitudinal extent, the central projecting section 48 of the projecting sections 46, 48, 50 on the light shaft side is longer than the two lateral projecting sections 46, 50.
  • the projection sections 46, 48, 50 on the light well side are in corresponding recesses 52, 54, 56, which in 3 are specified, added to the end faces of the thermal insulation strip 26 and in particular the central projection section 48 on the light shaft side is accommodated in the recess 54 with the introduction of hybrid sealant made of MS polymer 37 .
  • the hybrid sealant made of MS polymer 37 present in the recess 54, there is a shortage of accommodation space, whereby the projection section 48 pressed into the recess 54 presses the adjacent sections of the thermal insulation strip 26 laterally outwards and thus for better retention of the adjacent projection portions 46,50 in the recesses 52,56. This is made possible by the fact that the hybrid sealant made from MS polymer can cure with almost no shrinkage.
  • the protruding sections 40, 42, 44 or 46, 48, 50 are approximately mushroom-shaped, funnel-shaped or wedge-shaped in order to obtain a form-fitting connection.
  • the mushroom-shaped, funnel-shaped or wedge-shaped cross-sectional shapes of the projection sections with the corresponding recesses 52, 54, 56 in the thermal insulation strip 26 create a snap-in connection.
  • a hybrid sealant made of MS polymer which also serves as an adhesive at the same time, can also be used to connect the sealing element 24 and the thermal insulation strip 26 .
  • 3 shows the in 2 The section shown is an exploded view showing side wall panel 12, thermal insulation member 22 with fiber cement panels 28, 30 in place and associated capillary blocking member 34, and sealing member 24 individually and spaced apart.
  • 3 shows the hybrid sealant made of MS polymer 37 introduced into the recess 54.
  • a plurality of projections 58 is formed on the capillary blocking element 34 .
  • the projections 58 contribute to the positive connection of the capillary blocking element 34 with the hardened shaft wall element 6 and base element 8 .
  • the capillary blocking element 34 is continuously provided with a plurality of projections 58 on the flat sides, which extend perpendicularly to the plane of the capillary blocking element 34 and form a sawtooth-shaped profiling of the capillary blocking element 34.
  • the sawtooth-shaped profiling of the flat sides enables a form-fitting connection with the side wall panel 12. Facing end faces of the side wall panel 12 and the thermal insulation element 22 abut one another.
  • an adhesive and/or a sealant can be introduced between the adjoining surfaces of the side wall panel 12 and the thermal insulation element 22 .
  • a different profile can also be used, such as a wave-shaped, a triangular, or a rectangular or stepped profile.
  • the projections can also not be continuous on the side surface of the capillary blocking element 34, but can only be provided in sections.
  • the capillary blocking element 34 could have no protrusions 58 in the portion that is accommodated in the thermal insulation element 22, but only in the portion that is connected to the side wall panel 12.
  • the capillary blocking element can be strip-shaped as such but with a wavy or zigzag course.
  • one or more projections in the form of retaining legs can also be provided on the capillary blocking element 34 .
  • the holding leg or legs can protrude from the capillary blocking element at an angle or at right angles in such a way that they act as barbs in the poured concrete.
  • the holding legs are firmly engaged with the side wall panel 12 .
  • the casting mold 60 comprises a body molding 62 for shaping the inside of the light shaft and a molding end section 64 which is used to form the end section of the light shaft arrangement 2 which faces the building when installed.
  • the body molding 62 and the molding end section 64 are attached to a base plate 66 .
  • the molding end portion 64 has three recesses 68 which extend around the body molding 62 in a U-shape and which are adapted to receive the three boss portions 40, 42, 44 of the sealing member 24 which are in figure 5 can be seen serve.
  • a circumferential U-shaped wall section 70 is formed on each of the two outer sides, which serves to form an edge and to connect the sealing element 24 to the thermal insulation element 22, the fiber cement panels 28, 30 and the thermal insulation element 22 to the capillary blocking element 34 to be held in position during concrete pouring.
  • a thermal insulation element 22 and a capillary blocking element 34 are first provided.
  • the capillary blocking element 34 has a section 35 on the light shaft side, which protrudes from the thermal insulation element 22 .
  • the capillary blocking element 34 can also be provided with a section 36 on the insulation side, which is accommodated in the thermal insulation element 22 and connected to the thermal insulation element 22 .
  • a fiber cement panel 28, 30 is attached to the sides of the thermal insulation element 22 in such a way that the thermal insulation element 22 is laterally enclosed by the fiber cement panels 28, 30.
  • a sealing element 24 is then provided which has at least one protruding section 40, 42, 44 or 46, 48, 50.
  • the sealing element 24 is now arranged in the molded part end section 64 in such a way that the projection sections 40 , 42 , 44 are received in the complementary recesses 68 of the molded part end section 64 .
  • the thermal insulation element 22, which has already been connected to the capillary blocking element 34, is brought together with the sealing element 24 located in the molded part end section 64 in such a way that the projection sections 46, 48, 50 of the sealing element 24 fit in the complementary recesses 52, 54, 56 are accommodated in the thermal insulation element 22 .
  • a hybrid sealant made of MS polymer 37 can be introduced into at least one of the complementary recesses 48 for sealing and bonding purposes.
  • the sealing element 24 and the thermal insulation element 22 are arranged with the capillary blocking element 34 for concrete pouring.
  • the sealing member 24 and thermal insulation member 22 may be bonded together prior to placement in the end molding portion 64 and placed in the end molding portion 64 as a unit.
  • the shaft wall element 6 and the base element 8 are then cast in concrete, taking up the section 35 of the capillary blocking element 34 on the light shaft side, in such a way that the section 35 of the capillary blocking element 34 on the light shaft side extends in the shaft wall element 6 and base element 8 .
  • a light shaft arrangement 2 was produced, which is used in particular for arrangement in front of a basement window on a house wall of a building, the light shaft arrangement 2 having a light shaft 4, a shaft wall element 6 with a U-shaped cross section and a floor element 8, which closes the shaft wall element 6 at the bottom, a thermal insulation element 22 which is applied to the end faces of the shaft wall element 6 and the base element 8, and a capillary blocking element 34.

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  • Architecture (AREA)
  • Physics & Mathematics (AREA)
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  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
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Claims (20)

  1. Agencement de puits de lumière (2), notamment pour être agencé devant une fenêtre de cave sur un mur extérieur d'un bâtiment, avec
    un puits de lumière (4), qui présente un élément de paroi de puits (6) avec une section transversale en forme de U ou d'arc et un élément de fond (8), qui ferme l'élément de paroi de puits (6) vers le bas,
    un élément d'isolation thermique (22), qui est appliqué sur des surfaces frontales de l'élément de paroi de puits (6) et de l'élément de fond (8),
    un élément d'étanchéité (24), qui est agencé sur le côté de l'élément d'isolation thermique (22) détourné de l'élément de paroi de puits (6) ou de l'élément de fond (8), et
    un élément de barrière capillaire (34) qui est constitué d'un matériau étanche à l'eau et déformable et qui présente une section côté puits de lumière qui est reliée à l'élément d'isolation thermique (22),
    caractérisé en ce que
    la section côté puits de lumière de l'élément de barrière capillaire (34) s'étend dans l'élément de paroi de puits (6) et l'élément de fond (8), et l'élément de barrière capillaire (34) est conçu sous forme continue le long de la zone de liaison entre l'élément de paroi de puits (6) ou l'élément de fond (8) et l'élément d'isolation thermique (22).
  2. Agencement de puits de lumière (2) selon la revendication 1, caractérisé en ce que l'élément de paroi de puits (6) et l'élément de fond (8) sont coulés ensemble en une seule pièce en béton, et la section côté puits de lumière de l'élément de barrière capillaire (34) est coulée dans l'élément de paroi de puits (6) et l'élément de fond (8).
  3. Agencement de puits de lumière (2) selon la revendication 2, caractérisé en ce qu'au moins une saillie (58), de préférence plusieurs saillies, sont prévues sur l'élément de barrière capillaire (34), de telle sorte que l'élément de barrière capillaire (34) est maintenu par complémentarité de forme dans l'élément de paroi de puits (6) et l'élément de fond (8) durcis.
  4. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de barrière capillaire (34) présente en outre une section côté isolation qui s'étend dans l'élément d'isolation thermique (22) et est reliée à celui-ci.
  5. Agencement de puits de lumière (2) selon la revendication 4, caractérisé en ce que l'élément de barrière capillaire (34) est relié à l'élément d'isolation thermique (22) par collage.
  6. Agencement de puits de lumière (22) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'isolation thermique (22) circule sous forme continue en forme de U ou d'arc sur les surfaces frontales de l'élément de paroi de puits (6) et de l'élément de fond (8).
  7. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de barrière capillaire (34) est réalisé en forme de bande ou de baguette.
  8. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de barrière capillaire (34) s'étend dans des plans parallèles aux plans des parois adjacentes de l'élément de paroi de puits (6) et de l'élément de fond (8).
  9. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de barrière capillaire (34) est constitué d'un matériau élastomère ou d'un matériau thermoplastique.
  10. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'isolation thermique (22) présente une bande d'isolation thermique (26) qui est entourée latéralement par deux plaques de fibrociment (28, 30).
  11. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'étanchéité (24) est prévu sous forme continue le long du côté frontal de l'élément d'isolation thermique (22).
  12. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'étanchéité (24) est configuré sous forme de bande.
  13. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'étanchéité (24) présente au moins une, de préférence au moins deux, plus préférablement au moins trois sections en saillie (40, 42, 44), qui s'étendent sur le côté détourné de l'élément de paroi de puits (6) et de l'élément de fond (8).
  14. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'étanchéité (24) présente au moins une, de préférence au moins deux, plus préférablement au moins trois sections en saillie (46, 48, 50), qui s'étendent sur le côté tourné vers l'élément de paroi de puits (6) et l'élément de fond (8).
  15. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'étanchéité (24) est constitué de caoutchouc mousse.
  16. Agencement de puits de lumière (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'étanchéité (24) est relié à l'élément d'isolation thermique (22) par un matériau d'étanchéité hybride en polymère MS (37).
  17. Procédé de fabrication d'un agencement de puits de lumière (2), destiné notamment à être agencé devant une fenêtre de cave sur un mur extérieur d'un bâtiment, l'agencement de puits de lumière (2) un puits de lumière (4) qui comprend un élément de paroi de puits (6) avec une section transversale en forme de U ou d'arc et un élément de fond (8), qui ferme l'élément de paroi de puits (6) vers le bas, comprenant en outre un élément d'isolation thermique (22) qui est appliqué sur des surfaces frontales de l'élément de paroi de puits (6) et de l'élément de fond (8), et un élément de barrière capillaire (34), avec les étapes suivantes :
    la fourniture de l'élément d'isolation thermique (22) et de l'élément de barrière capillaire (34), l'élément de barrière capillaire (34) étant constitué d'un matériau étanche à l'eau et déformable et présentant une section côté puits de lumière (35) qui fait saillie de l'élément d'isolation thermique (22),
    caractérisé par les étapes suivantes :
    le coulage du béton de l'élément de paroi de puits (6) et de l'élément de fond (8) en recevant la section côté puits de lumière (35) de l'élément de barrière capillaire (34) de telle sorte que la section côté puits de lumière (35) s'étend dans l'élément de paroi de puits (6) et l'élément de fond (8) et l'élément de barrière capillaire (34) est prévu sous forme continue le long de la zone de liaison entre l'élément de paroi de puits (6) ou l'élément de fond (8) et l'élément d'isolation thermique (22), et
    le durcissement de l'élément de paroi de puits (6) et de l'élément de fond (6) coulés en incluant la section côté puits de lumière (35) de l'élément de barrière capillaire (34) .
  18. Procédé selon la revendication 17, présentant en outre :
    la fourniture de l'élément de barrière capillaire (34) avec une section côté isolation (36) qui est reçue dans l'élément d'isolation thermique (22) et qui est reliée à l'élément d'isolation thermique (22).
  19. Procédé selon la revendication 17 ou 18, présentant en outre :
    la disposition d'une plaque de fibrociment (28, 30) sur chacun des côtés de l'élément d'isolation thermique (22) de telle sorte que l'élément d'isolation thermique (22) est entouré latéralement par les plaques de fibrociment (28, 30).
  20. Procédé selon l'une quelconque des revendications 17 à 19, présentant en outre les étapes suivantes :
    la fourniture d'un élément d'étanchéité (24) qui présente au moins une section en saillie (40, 42, 44) ; et
    l'agencement et le collage de l'élément d'étanchéité (24) sur le côté de l'élément d'isolation thermique (22) détourné de l'élément de paroi de puits (6) et de l'élément de fond (8) avant ou après le coulage du béton de l'élément de paroi de puits (6) et de l'élément de fond (8), de telle sorte que l'au moins une section en saillie (40, 42, 44) s'étend sur le côté de l'élément d'étanchéité (24) détourné de l'élément de paroi de puits (6) et de l'élément de fond (8).
EP20215543.8A 2020-12-18 2020-12-18 Dispositif formant puits de lumière Active EP4015738B1 (fr)

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DE20103200U1 (de) * 2001-02-22 2001-06-13 Josef Hain Gmbh & Co Kg, 83561 Ramerberg Lichtschacht
DE20115404U1 (de) * 2001-09-18 2001-11-22 Josef Hain Gmbh & Co Kg, 83561 Ramerberg Lichtschacht
DE202005000441U1 (de) * 2005-01-13 2005-03-24 Hieber Alexander Fertigbauteil
DE202013100162U1 (de) * 2013-01-11 2013-03-28 Mea Bausysteme Gmbh Lichtschacht mit Dichtung
DE202014005637U1 (de) * 2014-07-10 2014-07-29 Alexander Hieber Schacht, insbesondere Lichtschacht

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