EP3974612B1 - Agencement anti-effraction - Google Patents

Agencement anti-effraction Download PDF

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Publication number
EP3974612B1
EP3974612B1 EP21198348.1A EP21198348A EP3974612B1 EP 3974612 B1 EP3974612 B1 EP 3974612B1 EP 21198348 A EP21198348 A EP 21198348A EP 3974612 B1 EP3974612 B1 EP 3974612B1
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EP
European Patent Office
Prior art keywords
core wall
reinforcing layer
window
fastening members
burglar
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EP21198348.1A
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German (de)
English (en)
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EP3974612A1 (fr
Inventor
Markus Menningen
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D&m KG
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D&m KG
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Publication of EP3974612A1 publication Critical patent/EP3974612A1/fr
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08Roll-type closures
    • E06B9/11Roller shutters
    • E06B9/17Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/17007Shutter boxes; Details or component parts thereof
    • E06B9/1703Fixing of the box; External plastering of the box

Definitions

  • the present invention relates to an arrangement comprising a core wall with a window or door recess, a window or door frame inserted into the window or door recess and an attachment system for a movable front window or front door device such as roller shutters, external venetian blinds, etc. with a core wall on the inside inserted, attached to the core wall and to the window or door frame and the window or front door device designed to be durable, with an outer cover connected to the outside of the core wall, which comprises at least one reinforcement layer made of a high-strength material, and with fastening elements, with which at least the reinforcement sheet is attached to the core wall, the reinforcement sheet being bonded to the core wall by the fasteners along its upper edge portion and both side edge portions.
  • 299 14 901 U1 discloses an arrangement according to the preamble of claim 1.
  • the arrangement according to the invention is intended to be used to install the usual front window or front door devices that can normally be opened and closed in front of windows or doors.
  • venetian blinds venetian blinds
  • this also includes textile screens and insect protection measures. Because these devices move in front of the windows or doors, a sufficient space, a so-called functional space, must be created in front of the core wall, which is covered by the outer covering.
  • this outer cover is designed as a burglary-resistant outer cover, i.e. it must correspond to at least RC class 2. In order to fulfill this requirement, it fulfills at least the specified conditions A) and B) and optionally C) and/or D).
  • the window and the window frame or the door and the door frame should have at least the same or a higher RC class, i.e. they should also be sufficiently burglar-resistant.
  • DIN EN 1627 Doors, windows, curtain walls, lattice elements and closures - burglary resistance - requirements and classification.
  • a galvanized steel sheet with the type designation DX51D+Z (St02Z) can preferably be assumed as the comparison steel sheet.
  • a further condition is aimed at the tensile strength of the fastening elements and the associated number of fastening elements to be used for arranging the reinforcement layer in order to achieve sufficient burglary resistance.
  • fastening elements with different Zp are to be used, an average value must be formed and the respective percentage in the formula must be taken into account. ie to approximate iteratively.
  • the maximum distance between the fastening elements at the upper edge area ensures in particular that a burglar with a burglary tool (e.g. sturdy screwdriver, crowbar, etc.) cannot easily pry under the reinforcement layer.
  • the minimum number of fasteners can be increased by 2.
  • the fastening elements should be anchored deep enough in the core wall so that even violent forces do not result in the fastening elements being torn out of the core wall or tearing out is not possible so quickly.
  • the core wall materials specified are intended to represent the usual range of core wall materials that can be used, but without being restrictive. If necessary, intermediate values must be interpolated depending on and the classification of a core wall material not mentioned here.
  • a floating attachment is understood to mean an attachment which, at least within certain limits, allows the elements to be connected to one another or the attachment element to be displaced. In particular, the usual temperature ranges relevant to house construction should be considered.
  • the floating mounting ensures in particular that the attachment of the fasteners in the core wall is not damaged.
  • the reinforcement layer should also be attached with as little or no stress as possible, without internal stresses occurring in the reinforcement layer or the fastening elements as a result of thermal expansion.
  • this measure also serves to protect against burglary, because the floating attachment ensures that the forces applied during an attempted break-in are distributed over a number of attachment elements, and the load occurring on one attachment element is therefore reduced. Some of the stress may also be accommodated by the movement and/or deformation of the floating reinforcement sheet.
  • the measures resulting from these conditions are mutually reinforcing.
  • the window frame and the window with the same or a higher burglary class such as the outer covering or the attachment system.
  • the reinforcement layer can also be multi-layered and optionally comprise different materials.
  • the core wall is the actual section that is decisive for the load-bearing capacity of the corresponding wall.
  • the core wall can be made of a wide variety of materials that provide the desired load-bearing capacity.
  • Correspondingly reinforced supports (lintels) can also be used above window and door openings.
  • the window or door frame width means the width between the outer vertical frame profiles that is decisive for the length of the upper edge area of the reinforcement layer, which in most cases corresponds approximately to the length of the window or wall recess. Accordingly, vertical frame profiles can still be arranged in between, particularly in the case of large windows and doors.
  • circumferential contour is intended to include all outside and inside contours or outside and inside dimensions of the reinforcing layer, except for thickness. Accordingly, a comparison should be made with a twin made of sheet metal of a certain sheet thickness.
  • the reinforcement layer is a steel sheet with a sheet thickness of at least 0.88 mm and preferably has a reinforcing fold on its lower edge region pointing towards the core wall.
  • edging means a shaping in the steel sheet that increases the stability of the lower edge area. The result of this is that the lower edge area, which for the most part is not connected to the core wall, cannot be bent up so easily because a corresponding shape acts as a reinforcement.
  • the outer cover can preferably have a thermal insulation layer which is attached to the reinforcement layer on the outside and is preferably held by a holding device attached to the reinforcement layer or molded onto it. This can involve additional holding means or a molding onto the reinforcement layer.
  • the lower edge area can be shaped in such a way that the folded edge forms both a reinforcement and the holding device at the same time.
  • the configuration of a holding device in the form of a channel or rail which is open at the top and on which the thermal insulation layer is seated is favorable. As a result, the lower edge area of the thermal insulation layer is also protected by the holding device.
  • the fastening elements are assembly screws with a head that provides an effective holding diameter that corresponds to at least 1.25 times, preferably at least 1.5 times, Z P , and that the head is at a distance from the reinforcement layer or the fastening means bear against the reinforcement layer with such a small force or with the interposition of a thermal expansion compensation device that a floating fastening of the reinforcement layer is ensured.
  • Mounting screws provide a very simple type of attachment, by means of which a floating attachment of the reinforcement layer is also very easily possible. A very simple design of such a floating attachment can be produced, for example, by tightening the assembly screws with a certain torque, so that the head presses with its base on the reinforcement layer.
  • the mounting screw is then turned back by a specific angular amount.
  • An associated screw opening in the reinforcement layer then preferably has a slightly larger diameter than the nominal diameter of the assembly screw, so that a displacement caused by thermal expansion is possible.
  • different types of compensation devices can also be used between the screw head and the reinforcement layer. For example, shims made of a suitable elastomeric material can be used, which ensure movement between the screw head and the reinforcing layer within the scope of its elasticity.
  • the fastening elements have a Z P of at least 7.5 mm. This ensures that the fastening elements already provide a suitable level of strength, which is conducive to burglary resistance.
  • a further measure for increasing burglary resistance is that the fastening elements have a smaller distance from one another in the area of the corner transitions from the upper edge area to the first and to the second side edge area than in their respective central sections. In these corner sections in particular, large bending forces can occur when attempting to pry open the reinforcement layer. Fastening elements can also be placed closer together in the lower section of the first and second side edge areas, so that the reinforcement layer does not detach from the core wall so quickly in the lower area.
  • the outer cover can have a spacer strip along the upper edge area and the first and second side edge area, facing the core wall, through which the fastening elements penetrate, preferably in the middle.
  • This spacer bar therefore fulfills several tasks. On the one hand, it creates a desirable distance between the reinforcement layer and the core wall and, on the other hand, forces from the reinforcement layer are not introduced directly into the core wall via an attempted break-in, but only indirectly with the interposition of the spacer bar and the fastening elements.
  • the spacer strip thus serves to protect the core wall and can also absorb deformation energy without the fastening of the fastening elements in the core wall being permanently affected.
  • the fastening elements are spacer assembly screws, eg Würth spacer assembly screws Amo® III 7.5 TYPE 3 button head with a tensile strength of over 800 N/mm 2 .
  • Spacer assembly screws are of particular advantage because they have been structurally tested and clearly assigned to a specific quality class. They therefore generally withstand higher tensile forces than other comparable assembly screws that are often used, for example in timber construction. Existing screw grades can therefore be used without having to carry out your own development.
  • Spacer assembly screws are made of high-quality material and are readily available to the appropriate fitter because they are inevitably used in door and window construction. Another advantage is that these can be anchored into the core wall without using a dowel. Spacer assembly screws are also usually very long screws, which can easily have the right length as part of the range for the intended purpose here.
  • the spacer bar or bars is or are formed by a base element whose strength corresponds to at least 70% of the strength of a solid squared timber made of softwood which is identical in the exceptional measurements and which has a width dimension such in order to create a sufficient functional space in front of the core wall for the mobile front window or front door device.
  • a solid squared timber can be used as the base element. This gives the reinforcement layer its desired distance from the core wall, so that a sufficiently large functional space can be generated, and on the other hand, this also achieves a stable support for the reinforcement layer along the associated edge regions.
  • such an embodiment is generally inexpensive. Important is, that for the spacer strip or strips consist of an elastic but not too brittle and not too soft material.
  • the support device has a burglary-resistant panel that closes at least 50% of the gap in the window or door opening between the window or door frame and the core wall, the strength of which is at least 80% that of an OSB panel corresponds to an identical peripheral contour if the burglar-resistant panel is arranged closer to the inside of the core wall than to the outside of the core wall, with the thickness of the comparable OSB panel being at least 8 mm, preferably at least 10 mm, or its strength being at least 80% of the strength corresponds to a multiplex panel with an identical peripheral contour if the burglar-resistant panel is arranged closer to the outside of the core wall than to the inside of the core wall and the thickness of a comparable multiplex panel is at least 10 mm, preferably at least 12 mm.
  • OSB panels also known as coarse chipboard, are wood-based materials that are made from long, slender chips. OSB boards are available in different qualities. The dimension can also be reduced in accordance with a higher quality.
  • a type OSB 3 can preferably be assumed as the comparison OSB panel.
  • a multiplex board (also called multi-layer board, e.g. birch plywood or SD board) is a multi-layer wooden board, with an SD board also coated on both sides with phenolic resin.
  • a birch plywood (F/F) (BFU100) according to DIN 68705-3 can preferably be assumed as a comparison multiplex board.
  • Adequate anchoring of the anti-burglary panel to the core wall should be ensured so that prying through towards the inside of the core wall is greatly inhibited.
  • circumferential contour is intended to include all external and internal contours or external and internal dimensions of the burglar-resistant panel other than thickness. Accordingly, a comparison should be made with a twin made of an OSB or multiplex board of a certain strength (thickness).
  • this burglary-resistant panel Most of the space in this box construction is used for arranging the roller shutter. so that the burglary-resistant panel is attached to the inside of the core wall from the gap and more or less as a cover panel and covers the gap to a large extent. So that an internal inspection of the roller shutter can take place, this burglary-resistant panel preferably ends at a certain vertical distance from the window or door frame. However, the distance should be selected in such a way that intrusion during an attempted break-in is avoided as far as possible. In addition, when using a multiplex panel, very good strength is provided, which represents a further obstacle to attempted break-ins.
  • a remaining inspection gap is closed by one or more corresponding cover plates, with a detachable cover plate also being present in order to be able to carry out the inspection.
  • the revision gap should preferably not exceed a certain size.
  • the clear width here means the largest transverse extent of the gap. In particular, it should be prevented that people can penetrate through a correspondingly pried open gap.
  • the term "circumferential contour" is intended to include all external and internal contours or external and internal dimensions of the burglar-resistant baseboard with the exception of thickness. Accordingly, a comparison should be made with a twin made of a multiplex panel of a certain strength (thickness),
  • the detachable cover plate can have a length that is smaller than the width of the window or door recess minus the width of the reveal, and is designed in such a way that the movable window or front door device can be removed.
  • the arrangement 1 essentially comprises a supporting core wall 2 in which a window recess 3 of rectangular cross-section is arranged, a window frame 4 inserted into the window recess 3 and an attachment system 5 for a roller shutter 6 inserted between the window frame 4 and the core wall 2.
  • the roller shutter 6 is in 1 drawn only schematically in its rolled-up position in dot-dash line.
  • the roller shutter 6 is wound onto a roller shutter shaft 7 . It is a motor-driven roller shutter 6. Therefore, the power cable leading to the motor 8 is drawn in dashed line.
  • the core wall 2 is a wooden structure.
  • the lintel area 9 is reinforced accordingly.
  • the core wall 2 has gypsum fiber boards 10 on its outside A and gypsum fiber boards 11 on its inside I.
  • the upper portion of the inner surface of the window recess 3 is formed by a gypsum fiber board 12 arranged on the core wall 2 .
  • the gypsum boards 10 on the outside A of the core wall 2 are in front of insulating boards 13 .
  • the connection to the gypsum fiber boards 10 is usually made by means of an adhesive layer 14.
  • a plaster layer 15 is applied to the insulation boards 13.
  • the window frame 4 consists essentially of four hollow profiles connected at the corners, which are connected to the core wall 2 in the lower area of the window recess 3 and on the sides by means of spacer assembly screws.
  • the attachment of such window frames 4 is well known and reference is made to the prior art in this regard. In the upper area of the window recess 3, however, there remains a gap 16 between the window recess 3 and the upper profile 4.1 of the window frame 4, into which at least one component of the attachment system 5 is inserted.
  • a window 17 with double glazing is drawn in, which is pivotably hung in the window frame 4 .
  • the window frame 4 and the window 17 have an increased burglary class (here RC3).
  • RC3 burglary class
  • the reveal insulation and the window sill 20 on the outside A of the core wall 2 are also shown schematically.
  • the reveal insulation 19.1 and 19.2 partially covers the profiles 4.2 and 4.3 of the window frame 4.
  • the attachment system 5 includes an outer cover 21 and a support device 22, which is primarily used to accommodate and hold the roller shutter 6.
  • the outer cover 21 has a spacer strip 26 facing the core wall 2 along its upper edge region 23 and along its first and second side edge regions 24 , 25 .
  • the spacer strip 26 thus surrounds the upper area of the window opening 3 in a U-shape.
  • the spacer bar 26 consists of three assembled base elements, each base element being formed from a solid square timber of softwood. In the present case, the solid squared timber has a cross-sectional dimension of 55 x 55 mm.
  • the outer cover 21 also includes a reinforcement layer 27 made of sheet steel (here a galvanized sheet steel with the type designation DX51D+Z (St02Z)) with a sheet thickness of 1.5 mm.
  • the sheet steel is fully galvanized to withstand the elements.
  • the reinforcement layer 27 has an edge 28 which is adjoined by a support rail 29 .
  • the edging 28 serves to reinforce the lower edge area of the reinforcement layer 27; in particular, this lower edge area is intended to become more flexurally stable as a result.
  • the last component of the outer cover 21 is a thermal barrier layer 30, which is on the outside of the reinforcement layer 27 is guided along and rests on the support rail 29 and is positioned in the lower edge area of the support rail 29.
  • the thermal insulation layer 30 has the same thickness as the insulation boards 13, so that it is brought up to the gypsum fiber board 10 above the spacer strip 26 with the interposition of the adhesive layer 14 and thus covers the spacer strip 26 on the front and top.
  • the outer cover 21 is also provided with the plaster layer 15 after installation.
  • the outer cover 21 is connected to the core wall 2 by means of fastening means 31 that are not shown in detail.
  • the fasteners 31 are standoff mounting screws, nominally 7.5mm diameter and 132mm long. Würth spacer assembly screws Amo ® III 7.5 TYPE 3 button head with a tensile strength of over 800 N/mm 2 are used here.
  • the reinforcing layer 27 has corresponding openings 32, as shown in the schematic drawing by way of example figure 5 are shown. Apertures 32 are approximately 1.5mm larger in diameter than the nominal diameter of fasteners 31.
  • Standoff mounting screws have several advantages for the present application. On the one hand, they are required for window installation anyway and are kept in stock by the installers. On the other hand, they can be connected to and anchored in the core wall without the use of dowels. Furthermore, these screws have very good strength values.
  • the fastening elements 31 go both through the reinforcement layer 27 and through the spacer strip 26 (in the middle), the adhesive layer 14 and then penetrate the gypsum fiber boards 10 into the core wall 2 .
  • Spacer assembly screws have a continuous thread, which creates a corresponding form fit with the individual elements. They have a high strength and are therefore more stable than most comparable screws.
  • the head diameter of the standoff mounting screw mentioned here is 12.5 mm.
  • the reinforcement layer 27 is attached in a floating manner, ie the screw heads remain at a small distance from the reinforcement layer 27, so that the reinforcement layer 27 can move accordingly under the effect of heat and remains stress-free. As a result, the fastening elements 31 do not receive any additional stresses from the reinforcement layer 27 due to the effect of heat.
  • a floating mounting consist in the use of a low contact pressure that does not impede such a relative displacement or in the use of special attachment systems that are interposed between the fastening elements 31 and the reinforcement layer 27 and allow a relative displacement.
  • the fastening elements 31 were tightened with a specified torque, so that they rest with their screw heads on the reinforcement layer 27 with a resulting force.
  • the fasteners 31 were then rotated back a quarter turn (90°) to obtain the desired spacing for the floating attachment. As a result, the fastener 31 moved back by approximately 0.7 mm, depending on the thread pitch.
  • the outer cover 21 is designed as a burglary-resistant outer cover 21 due to the special design of the reinforcement layer 27 and the fastening elements 31 used. A considerable amount of force is required to deform or remove it from the core wall 2 in such a way that the area of the carrying device 22 can be accessed from the outside.
  • the number Y of the fastening elements 31 used also plays an important role.
  • the number Y is determined as follows.
  • the dimensions of the reinforcement layer 27 are determined, namely the length (L O ) of the upper edge area, the length (L S1 ) of the first side edge area and the length (L S2 ) of the second side edge area.
  • the length of the side edge areas L S1 and L S2 are identical in the present case.
  • a window frame 4 with a width B of 1,500 mm was used.
  • the length L O is 1,630 mm.
  • the lengths L S1 and L S2 are each 345 mm.
  • Y minimum number Y of 6.96 (calculated), which results in 7 when rounded.
  • eleven fastening means 31 were used, namely one fastening element 31 each near the corner regions, in each case additionally three fasteners 31 along the top edge portion 23 and three additional fasteners 31 along the first and second side edge portions 24 and 25.
  • the distances between the fastening elements 31 in the corner area of the reinforcement layer 27 are narrower than in relation to the respective other fastening elements 31.
  • the openings 32 in the reinforcement layer 27 are adapted accordingly.
  • the maximum distances for the fastening elements 31 on the upper edge area 23 were observed.
  • the carrying device 22 is designed as an open box construction that can be inserted from the inside I of the core wall 2 .
  • the open side of the box construction points towards the outer cover 21 and serves to ensure that the roller shutter 6, which is partially arranged in the box construction, protrudes from the box construction so that it can run into the curtain rails 18.1 and 18.2.
  • the carrying device 22 includes a cover plate 33 which is connected to two side walls 34 and 35 . On the side walls 34 and 35, the roller shutter shaft 7 is rotatably mounted. Furthermore, the support device 22 includes an anti-burglary base strip 36 on its underside.
  • the anti-burglary base strip 36 consists of a multiplex board (here a birch plywood (F/F) (BFU100) according to DIN 68705-3) with a thickness of 15 mm and closes immediately laterally with the interposition of a seal 37 to the upper profile 4.1 of the window frame 4. With this profile 4.1, the burglar-resistant base strip 36 is screwed. Towards the inside I of the core wall 2, the burglary-resistant base strip 36 protrudes over the window frame 4 and slightly over the window 17 (applies to the middle area of the burglar-resistant base strip 36). Along the side walls 34 and 35, the burglary-resistant base strip 36 is even drawn inward to a flush finish with the side walls 34 and 35.
  • a multiplex board here a birch plywood (F/F) (BFU100) according to DIN 68705-3
  • F/F birch plywood
  • a burglary-resistant plate 38 that covers or closes more than 50% of the gap 16 between the window recess 3 and the window frame 4 .
  • the burglary-resistant panel 38 is designed in such a way that its upper edge area 47 and the first and second side edge areas 48 and 49 overlap the inner side I of the core wall 2 and are connected to it there by means of fastening elements 39 . Again, these are spacer mounting screws; but this time with a countersunk head (here Würth spacer assembly screws Amo ® III 7.5 TYPE 3 countersunk with a tensile strength of over 800 N/mm 2 ).
  • these fastening elements 39 have a nominal diameter Z PP of 7.5 mm and a length of 82 mm, so that an anchoring depth in the core wall 2 of at least 54 mm according to FIG given formula for the core wall material present here is achieved.
  • the anchoring depth is 70 mm.
  • the burglary-resistant board 38 is an OSB board (here type OSB 3) with a thickness of 12 mm.
  • the length of the plate 38 is such that it ends at the vertical distance Av from the window frame 4 . This supports the possibility of an internal inspection, but without jeopardizing the burglar resistance.
  • the arrangement is such that a clear width WL is formed between the middle section of the burglar-resistant floor strip 36 and the lower edge of the burglar-resistant panel 38, which is approximately 105 mm in the present case.
  • the vertical distance Av is 100 mm in the present case.
  • the burglary-resistant floor strip 36 is formed in a stepped manner on its inwardly pointing edge 40 .
  • a cover plate 41 made of plywood which has a complementary stepped edge area and which has the same thickness as the burglary-resistant base strip 36 .
  • a gypsum fiber board 42 is arranged on the outside of the burglar-resistant panel 38 , which starts slightly lower than the burglar-resistant panel 38 and ends essentially flush with the upper side of the burglar-resistant base strip 36 and the cover panel 41 .
  • the gypsum fiber board 42 is provided with a screw strip 43 on its lower edge, so that the cover plate 41 can be screwed to it, as a result of which an inspection opening can be opened and closed by means of the cover plate 41 .
  • Inside the box construction there are still insulating elements 44.1, 44.2 and 44.3 that are adapted to the shape of the roller shutter 6. At least the insulating element 44.1 is designed to be removable, so that inspection is possible.
  • gypsum fiber board 45 Following the gypsum fiber board 42 there is another gypsum fiber board 45 which covers the upper area and in particular the attachment points of the burglary-resistant board 38 .
  • gypsum fiber boards 45 are also laterally connected to the gypsum fiber board 42 and also cover the laterally protruding burglary-resistant board 38 and its attachment points to the core wall 2 .
  • the gaps 46 between the cover plate 41 and the laterally continued sections of the burglary-resistant floor strip 36 are covered on the inside by means of an EPDM seal which is bonded to the burglar-resistant floor strip 36 on one side.
  • the number of fastening elements 39 used to attach the burglar-resistant plate 38, which is connected to the core wall 2 both at the upper edge area 47 and at its first and second side edge areas 48 and 49 by means of the fastening elements 39, is also important for sufficient burglary resistance .
  • the length (L OP ) of the anti-burglary plate 38 is 1578 mm in the present case, the lengths (L S1P and L S2P ) are each 186 mm.
  • the associated formula results in a number Y P for the fastening elements 39 of at least 6 (rounded). In the present case, nine fasteners 39 are used.
  • a burglary-resistant class of RC3 can be achieved both with the outer cover 21 alone and in combination with the burglar-resistant base strip 36 and the burglar-resistant plate 38 .
  • Correspondingly dimensioned and solid materials, as well as an anchoring adapted to a burglary-resistant situation using the respective fastening elements 31 and 39 make it possible to provide an arrangement according to the invention that closes a gap 16 between the window recess 3 and the window frame 4, and to bridge it in such a way that no there is a weak point that can be quickly overcome with regard to break-in attempts.
  • the core wall 2 is constructed in a similar way, but is not provided with a gypsum fiber board on the inside of the window recess 3 .
  • the lintel area 9 has a slightly different structure.
  • the outer cover 21 is constructed in a substantially similar manner. However, the reinforcement layer 27 lacks an inwardly protruding edge.
  • the support rail 29 is formed onto the lower end without such an edge.
  • the outer cover 21 has a slightly greater overall depth.
  • the spacer bar 26 is wider.
  • the basic elements of the spacer strip 26 have a cross-sectional dimension of 60 ⁇ 100 mm.
  • the fasteners 31 used are made correspondingly longer. In this specific case, these are spacer assembly screws with a nominal diameter Z P of 7.5 mm and a length of 182 mm. Again, a button head screw is used.
  • the anchoring depth in the core wall 2 is therefore approximately 66 mm and thus corresponds to the specification for the core wall material wood.
  • the thickness of the reinforcement layer 27 is 0.88 mm in the present case.
  • a steel sheet is again used.
  • Nine fasteners 31 are used to fasten the 1.5 m wide window frame 4 shown here, which corresponds to the minimum specification.
  • the lengths L S1 and L S2 of the two side edge regions 24 and 25 of the reinforcement layer 27 are each 350 mm in the present case and the length Lo of the upper edge region 23 is 1640 mm in the present case.
  • the support device 22 which in the present case serves to attach a venetian blind 50 as a front window device.
  • the venetian blind 50 is arranged in the functional space F created between the support device 22 and the outer cover 21 .
  • the venetian blind 50 is attached to the support device 22 by means of an angle rail 51.
  • the support device 22 is not designed for internal inspection, but the external venetian blind 50 can be inspected externally. Therefore, the support device 22 has a closed box construction. This essentially consists of a vertically arranged burglary-resistant plate 38, which in the present case forms the inner wall of the box construction and has dimensions such that it can be inserted into the gap 16 between the window recess 3 and the upper profile 4.1 of the window frame 4.
  • the anti-burglary plate 38 thus moves closer to the outer cover 21 .
  • a more stable material is therefore used for the burglary-resistant panel 38, namely a multiplex panel (here a birch plywood (F/F) (BFU100) according to DIN 68705-3) with a thickness of 15 mm.
  • the height of the plate 38 is about 20 mm less than the height of the gap 16.
  • the underside of the box structure of the support 22 is formed from an OSB board with a thickness of 15 mm.
  • the upper side of the box construction is made of two superimposed OSB panels 53.1, 53.2, each with a thickness of 15 mm (however, one panel is sufficient for burglar resistance).
  • the box construction is formed by an OSB end panel 54, the dimensions of which are larger than the cross-sectional dimensions of the gap 16, so that it can be connected to the inside I of the core wall 2 at its upper edge area 47 and its lateral edge areas 48, 49.
  • the anti-burglary panel 38 is thus attached to the core wall 2 indirectly by means of the remaining box construction, in particular the OSB end panel 54 .
  • the box construction has two plate-shaped side walls 34, 35, each formed from a plywood plate having a thickness of 15 mm.
  • the side walls 34, 35 are with the other panels connected to the box construction, protrude beyond the burglary-resistant plate 38 and laterally delimit the functional space F and end at a small distance (approx. 20 mm) in front of the reinforcement layer 27 and offer additional lateral protection.
  • Fastening elements 39 are used for the indirect connection. In the present case, these are spacer mounting screws with a nominal diameter Z PP of 7.5 mm and a length of 82 mm. It is therefore anchored in the core wall with a depth of approx. 60 mm. These screws have a countersunk head. So that the entire carrying device 22 is securely anchored in the gap 16, the specifications for the minimum number Y P of the fastening elements 39 apply again.
  • the length L S1P of the first side edge area and L S2P of the second edge area of the end plate 54 is approx. 300 mm and the length L OP of the end plate 54 is 1578 mm.
  • the number Y P of the fastening elements 39 is 9 and thus corresponds to the minimum specification from the formula.
  • the end panel 54 is screwed to the lower OSB panel 52 at the lower edge area. Furthermore, the lower OSB panel 52 is screwed to the upper profile 4.1 of the window frame 4, which also secures the support device 22 at this point.
  • the carrying device 22 is covered with gypsum fiber boards 55 and 56 on its inside.
  • the interior of the support device 22 is filled with an insulating material 57 .

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Claims (15)

  1. Agencement (1), comprenant une paroi centrale (2) avec des découpes de fenêtre ou de porte (3), un cadre de fenêtre ou de porte (4) inséré dans les découpes de fenêtre ou de porte (3), ainsi qu'un système de montage (5) destiné à un dispositif mobile de contre-fenêtre ou de contre-porte tel que des volets roulants (6), des stores vénitiens (50), etc., avec un dispositif de support (22) inséré par l'intérieur dans la paroi centrale (2), monté au niveau de la paroi centrale (2) et du cadre de fenêtre ou de porte (4) et conçu de manière à retenir le dispositif de contre-fenêtre ou de contre-porte, avec un couvercle extérieur (21) relié à la face extérieure (A) de la paroi centrale (2) et comprenant au moins une couche de renfort (27) en un matériau dur et très résistant, et avec des éléments de fixation (31) avec lesquels au moins la couche de renfort (27) est montée au niveau de la paroi centrale (2), dans lequel la couche de renfort (27) est reliée à la paroi centrale (2) grâce aux éléments de fixation (31) le long de sa région de bord supérieure (23) et des deux régions de bord latérales (25), caractérisé en ce qu'un couvercle extérieur anti-effraction (21) remplissant au moins les conditions ci-dessous est fourni :
    A) la couche de renfort (27) présente une résistance correspondant à au moins 90 % de la résistance d'une tôle d'acier de 0,88 mm d'épaisseur présentant un contour périphérique identique à celui de la couche de renfort (27) pour une largeur de cadre de fenêtre ou de porte allant jusqu'à 1,50 m et à au moins 80 % de la résistance d'une tôle d'acier de 1,5 mm d'épaisseur présentant un contour périphérique identique à celui de la couche de renfort pour une largeur de cadre de fenêtre ou de porte supérieure à 1,50 m ; et
    B) les éléments de fixation (31) au moyen desquels la couche de renfort (27) est fixée à la paroi centrale (2) sont présents au moins en un nombre Y, dans lequel Y résulte de la formule Y = L 0 mm 6 Z p 2 + L S 1 + L S 2 mm 2 Z p 2 4
    Figure imgb0011
    et
    l'espacement entre les éléments de fixation (31) au niveau de la région de bord supérieure (23) de la couche de renfort (27) ne dépasse pas 400 mm, et
    LO correspond à la longueur de la région de bord supérieure (23) de la couche de renfort (27) en mm,
    LS1 correspond à la longueur de la première région de bord latérale (24) de la couche de renfort (27) en mm,
    LS2 correspond à la longueur de la seconde région de bord latérale (25) de la couche de renfort (27) en mm, et
    Zp correspond au paramètre géométrique représentatif de la résistance à la traction, tel que le diamètre nominal, etc., des éléments de fixation (31) au moyen desquels la couche de renfort (27) est fixée à la paroi centrale (2), en mm, et
    au moins une des conditions ci-dessous peut être remplie :
    C) au moins certains des éléments de fixation (31) avec lesquels la couche de renfort (27) est fixée à la paroi centrale (2) présentent une profondeur d'ancrage dans la paroi centrale (2) d'au moins 3 fois le paramètre géométrique a représentatif de la résistance à la traction, tel que le diamètre nominal (Zp), etc., de l'élément de fixation (31), dans lequel a est égal à 1,0 pour un matériau de paroi centrale tel que le béton, à 2,0 pour un matériau de paroi centrale tel que la brique silico-calcaire ou la brique pleine, et à 2,4 pour un matériau de paroi centrale tel que la pouzzolane, le béton léger ou le bois résineux, et
    D) les éléments de fixation (31) fixent la couche de renfort (27) de manière flottante afin de compenser la dilatation thermique.
  2. Agencement (1) selon la revendication 1, caractérisé en ce que, conformément à la condition A), la couche de renfort (27) est une tôle d'acier présentant une épaisseur de tôle d'au moins 0,88 mm et présente au niveau de sa région de bord inférieure de manière préférée une arête (28) tournée vers la paroi centrale (2) et visant à renforcer.
  3. Agencement (1) selon la revendication 1 ou 2, caractérisé en ce que le couvercle extérieur (21) présente une couche d'isolation thermique (30) qui est montée du côté extérieur au niveau de la couche de renfort (27) et est retenue de manière préférée par un dispositif de retenue monté au niveau de la couche de renfort (27) ou moulé sur celle-ci.
  4. Agencement (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que, conformément à la condition D), les éléments de fixation (31) sont des vis de montage munies d'une tête offrant un diamètre de retenue efficace correspondant à au moins 1,25 fois, de manière préférée au moins 1,5 fois, le Zp et en ce que la tête présente un espacement par rapport à la couche de renfort (27) ou en ce que les moyens de fixation (31) reposent sur la couche de renfort (27) avec une force si faible, ou avec interposition d'un dispositif de compensation de dilatation thermique, qu'une fixation flottante de la couche de renfort (27) est assurée.
  5. Agencement (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que, conformément à la condition B) et/ou C), les éléments de fixation (31) présentent un Zp d'au moins 7,5 mm.
  6. Agencement (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que, dans la région des transitions angulaires entre la région de bord supérieure (23) et les première et seconde régions de bord latérales (24, 25), les éléments de fixation (31) présentent l'un par rapport à l'autre un espacement plus faible qu'au niveau de leurs sections médianes respectives.
  7. Agencement (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le couvercle extérieur (21) présente, le long de la région de bord supérieure et des première et seconde régions de bord latérales, une baguette d'espacement (26) tournée vers la paroi centrale (2) et traversée par les éléments de fixation (31).
  8. Dispositif (1) selon la revendication 7, caractérisé en ce que les éléments de fixation (31) sont des vis de montage avec espacement.
  9. Agencement (1) selon la revendication 7 ou la revendication 8, caractérisé en ce que la baguette d'espacement (26) ou les entretoises est/sont formée(s) d'un élément de base dont la résistance correspond à au moins 70 % de la résistance d'un bois résineux massif équarri de dimensions extérieures identiques, et qui présente une dimension de largeur de manière à créer devant la paroi centrale (2) un espace fonctionnel (F) suffisant pour le dispositif mobile de contre-fenêtre ou de contre-porte.
  10. Agencement (1) selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le dispositif de support (22) présente une plaque anti-effraction (38) qui ferme au moins à 50 % un interstice (16) de la découpe de fenêtre ou de porte (3) entre le cadre de fenêtre ou de porte (4) et la paroi centrale (2), et dont la résistance correspond au moins à 80 % de la résistance d'un panneau OSB présentant un contour périphérique identique, lorsque la plaque anti-effraction (38) est agencée plus près de la face intérieure (I) de la paroi centrale (2) que de la face extérieure (A) de la paroi centrale (2), dans lequel l'épaisseur du panneau OSB comparable est d'au moins 8 mm, de manière préférée d'au moins 10 mm, ou dont la résistance correspond au moins à 80 % de la résistance d'un panneau de contreplaqué présentant un contour périphérique identique, lorsque la plaque anti-effraction (38) est agencée plus près de la face extérieure (A) de la paroi centrale (2) que de la face intérieure (I) de la paroi centrale (2), et dans lequel l'épaisseur d'un panneau de contreplaqué comparable est d'au moins 10 mm, de manière préférée d'au moins 12 mm.
  11. Dispositif (1) selon la revendication 10, caractérisé en ce que la plaque anti-effraction (38) est reliée directement ou indirectement à la paroi centrale (2), de manière préférée au niveau de la face intérieure (I) de la paroi centrale (2), au moyen d'éléments de fixation (39) et en ce qu'au moins la condition ci-dessous concernant la fixation de la plaque anti-effraction (38) est remplie :
    E) les éléments de fixation (39) sont présents au moins en nombre YP, dans lequel YP résulte de la formule Y = L 0 mm 6 Z pp 2 + L S 1 + L S 2 mm 2 Z pp 2 2
    Figure imgb0012
    l'espacement entre les éléments de fixation (39) au niveau de la région de bord supérieure (47) de la plaque anti-effraction (38) ne dépasse pas 350 mm, et
    LOP correspond à la longueur en mm de la région de bord supérieure (47) du montage représentatif de la plaque antieffraction (38) au niveau de la paroi centrale (2),
    LS1P correspond à la longueur en mm de la première région de bord latérale (48) du montage représentatif de la plaque anti-effraction (38) au niveau de la paroi centrale (2),
    LS2P correspond à la longueur en mm de la seconde région de bord latérale (49) du montage représentatif de la plaque anti-effraction (38) au niveau de la paroi centrale (2), et
    Zpp correspond au paramètre géométrique représentatif de la résistance à la traction, tel que le diamètre nominal, etc., des éléments de fixation (31) au moyen desquels la plaque anti-effraction (38) est fixée à la paroi centrale (2), en mm, et
    en ce qu'au moins la condition ci-dessous peut en outre être remplie :
    F) au moins certains des éléments de fixation (39) présentent une profondeur d'ancrage dans la paroi centrale (2) d'au moins 3 fois le paramètre géométrique a représentatif de la résistance à la traction, tel que le diamètre nominal ZPA, etc., de l'élément de fixation (39), dans lequel a est égal à 1,0 pour un matériau de paroi centrale tel que le béton, à 2,0 pour un matériau de paroi centrale tel que la brique silico-calcaire ou la brique pleine et à 2,4 pour un matériau de paroi centrale tel que la pouzzolane, le béton léger ou le bois résineux.
  12. Agencement (1) selon la revendication 10 ou 11, caractérisé en ce que le dispositif de support (22) est réalisé sous la forme d'une structure ouverte de caisson pouvant être insérée par la face intérieure (I) de la paroi centrale (2) et la plaque anti-effraction (38) est réalisée sous la forme d'une paroi verticale, agencée dans l'interstice (16) de manière préférée à hauteur du cadre de fenêtre ou de porte (4), de ladite structure de caisson et dans laquelle ou au niveau de laquelle sont ancrés les éléments de fixation du dispositif de contre-fenêtre ou de contre-porte.
  13. Agencement (1) selon la revendication 10 ou 11, caractérisé en ce que le dispositif de support (22) est réalisé sous la forme d'une structure ouverte de caisson pouvant être insérée par la face intérieure (I) de la paroi centrale (2), et la plaque anti-effraction (38), sous la forme d'une plaque de recouvrement, fait saillie par rapport à l'interstice (16) avec la région de bord supérieure, la première région de bord latérale et la seconde région de bord latérale, et est reliée à la face intérieure (I) de la paroi centrale (2) au moyen des éléments de fixation (39), et au moins une des conditions ci-dessous est remplie :
    G) la région de bord inférieure de la plaque anti-effraction (38) présente un espacement vertical (Av) par rapport au cadre de fenêtre ou de porte (4),
    H) la structure de caisson présente une entretoise anti-effraction (36), guidée le long de la face supérieure du cadre de fenêtre ou de porte (4) et reliée au cadre de fenêtre ou de porte (4) et dont la résistance correspond à au moins 80 % de la résistance d'un panneau de contreplaqué présentant un contour extérieur identique, dans lequel l'épaisseur du panneau de contreplaqué comparable est d'au moins 8 mm, de manière préférée d'au moins 10 mm, et
    I) si la condition H) est remplie, un interstice de visite, qui permet de retirer le dispositif de contre-fenêtre ou de contre-porte et qui est fermé au moyen d'au moins une plaque de recouvrement (41, 42) dont au moins une est réalisée sous la forme d'une plaque amovible formant couvercle (41), subsiste entre la plaque anti-effraction (38) et l'entretoise (36), et dans lequel la largeur libre (WL) de l'interstice de visite ne dépasse pas 150 mm, de manière préférée ne dépasse pas 120 mm.
  14. Agencement (1) selon la revendication 13, caractérisé en ce que la plaque amovible formant couvercle (41) présente une longueur qui est inférieure à la largeur de la découpe de fenêtre ou de porte (3) déduction faite de la largeur d'une embrasure, et est conçue de telle manière qu'il est possible de retirer le dispositif mobile de contre-fenêtre ou de contre-porte.
  15. Utilisation d'un système de montage (5) destiné à un dispositif mobile de contre-fenêtre ou de contre-porte tel que des volets roulants (6), des stores vénitiens (50), etc., dans laquelle le système de montage (5) présente un dispositif de support (22) pouvant être inséré par l'intérieur dans une paroi centrale (2), pouvant être monté au niveau de la paroi centrale (2) et d'un cadre de fenêtre ou de porte (4) et retenant le dispositif de contre-fenêtre ou de contre-porte, un couvercle extérieur (21) pouvant être relié à la face extérieure (A) de la paroi centrale (2) et comprenant au moins une couche de renfort (27) en un matériau dur et très résistant, et des éléments de fixation (31) permettant de monter au moins la couche de renfort (27) au niveau de la paroi centrale (2),
    dans laquelle la couche de renfort (27) peut être reliée à la paroi centrale (2) le long de sa région de bord supérieure (23) et des deux régions de bord latérales (24, 25) grâce aux éléments de fixation (31), dans laquelle le couvercle extérieur (21) est réalisé sous la forme d'un couvercle extérieur anti-effraction (21) pour lequel au moins les conditions ci-dessous sont remplies :
    A) la couche de renfort (27) présente une résistance correspondant à au moins 90 % de la résistance d'une tôle d'acier de 0,88 mm d'épaisseur présentant un contour périphérique identique à celui de la couche de renfort (27) pour une largeur de cadre de fenêtre ou de porte allant jusqu'à 1,50 m et à au moins 80 % de la résistance d'une tôle d'acier de 1,5 mm d'épaisseur présentant un contour périphérique identique à celui de la couche de renfort pour une largeur de cadre de fenêtre ou de porte supérieure à 1,50 m ; et
    B) les éléments de fixation (31) au moyen desquels la couche de renfort (27) est fixée à la paroi centrale (2) sont présents au moins en un nombre Y, dans laquelle Y résulte de la formule Y = L 0 mm 6 Z p 2 + L S 1 + L S 2 mm 2 Z p 2 4
    Figure imgb0013
    et
    l'espacement entre les éléments de fixation (31) au niveau de la région de bord supérieure (23) de la couche de renfort (27) ne dépasse pas 400 mm, et
    LO correspond à la longueur de la région de bord supérieure (23) de la couche de renfort (27) en mm,
    LS1 correspond à la longueur de la première région de bord latérale (24) de la couche de renfort (27) en mm,
    LS2 correspond à la longueur de la seconde région de bord latérale (25) de la couche de renfort (27) en mm, et
    z correspond au paramètre géométrique représentatif de la résistance à la traction, tel que le diamètre nominal, etc., des éléments de fixation (31) au moyen desquels la couche de renfort (27) est fixée à la paroi centrale (2), en mm, et
    au moins une des conditions ci-dessous peut être remplie :
    C) au moins certains des éléments de fixation (31) présentent une profondeur d'ancrage dans la paroi centrale (2) d'au moins 3 fois le paramètre géométrique a représentatif de la résistance à la traction, tel que le diamètre nominal (Zp), etc., de l'élément de fixation (31), dans laquelle a est égal à 1,0 pour un matériau de paroi centrale tel que le béton, à 2,0 pour un matériau de paroi centrale tel que la brique silico-calcaire ou la brique pleine et à 2,4 pour un matériau de paroi centrale tel que la pouzzolane, le béton léger ou le bois résineux, et
    D) les éléments de fixation (31) sont conçus pour compenser la dilatation thermique en vue d'un montage flottant de la couche de renfort (27).
EP21198348.1A 2020-09-22 2021-09-22 Agencement anti-effraction Active EP3974612B1 (fr)

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DE3012941A1 (de) * 1980-04-02 1981-10-08 Alu Trade Schrenk GmbH, 7988 Wangen Fenster
DE3101930A1 (de) * 1981-01-22 1982-10-14 ROLLBOX Bauelemente GmbH, 8901 Stadtbergen Als rolladenkasten ausgebildeter fenstersturz
DE29811818U1 (de) * 1998-07-02 1998-10-01 Pazen, Günter, 54492 Zeltingen-Rachtig Mehrschichtiger Wandaufbau mit Kasten für Jalousien oder Rolladen
DE29914901U1 (de) * 1999-08-25 2000-12-28 D & M Rolladentechnik GmbH, 56204 Hillscheid Rolladenvorrichtung
DE202012011912U1 (de) * 2012-12-13 2014-03-14 D & M Rolladentechnik Gmbh Aufnahmevorrichtung für eine Behangeinrichtung

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