EP2578790A1 - Vantail d'une porte coupe-feu - Google Patents

Vantail d'une porte coupe-feu Download PDF

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Publication number
EP2578790A1
EP2578790A1 EP12187338.4A EP12187338A EP2578790A1 EP 2578790 A1 EP2578790 A1 EP 2578790A1 EP 12187338 A EP12187338 A EP 12187338A EP 2578790 A1 EP2578790 A1 EP 2578790A1
Authority
EP
European Patent Office
Prior art keywords
door leaf
profile
reinforcing profile
reinforcing
stabilizing element
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.)
Granted
Application number
EP12187338.4A
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German (de)
English (en)
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EP2578790B1 (fr
Inventor
Reinhard Schröders
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.)
Theo Schroders Entwicklung & Beratung GmbH
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Theo Schroders Entwicklung & Beratung GmbH
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Publication of EP2578790A1 publication Critical patent/EP2578790A1/fr
Application granted granted Critical
Publication of EP2578790B1 publication Critical patent/EP2578790B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/82—Flush doors, i.e. with completely flat surface
    • E06B3/827—Flush doors, i.e. with completely flat surface of metal without an internal frame, e.g. with exterior panels substantially of metal
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/7015—Door leaves characterised by the filling between two external panels
    • E06B2003/7036—Door leaves characterised by the filling between two external panels of plaster

Definitions

  • the invention relates to a door leaf of a fire door on which cover plates are arranged on opposite viewing surfaces, which together form a door leaf box, in the interior of the two cover plates in each case at least one insulating body is arranged, wherein the interior of the door leaf box facing sides of the two cover plates respectively by means of at least one insulating body are substantially completely covered and at least one stabilizing element in the form of a stud is arranged between the cover plates of the door leaf along lateral, vertically extending end sides of the door leaf box, wherein the door leaf has at least one reinforcing profile which is arranged between the cover plates of the door leaf and has at least one flat profile section which is oriented parallel to the cover plates.
  • a door leaf of the type described above is for example from the DE 199 12 672 C2 known.
  • This document is primarily concerned with improving the insulation properties of the fire door and achieves this goal according to the invention by means of the arrangement of sandwich elements inside the door leaf box, wherein the sandwich elements each consist of two layers, a layer of mineral fiber boards and a layer of gypsum boards.
  • the layers of gypsum are particularly advantageous because they secrete water vapor during a fire load, which contributes greatly to the cooling of the fire door.
  • This principle of the cooling function of a manufactured from plaster component also uses the fire door according to the DE 40 07 732 C2 ,
  • This is mainly concerned with increasing the stability of a fire door, wherein a frame member is proposed, which does not completely cover the peripheral end faces of the door leaf box and arranged in the interior of the door leaf box on the viewing surfaces insulator at the End faces does not completely surrounds, but rather engages in a groove of the respective insulating body and produces a positive connection in this way. Due to this type of arrangement, the frame element does not have to be zoomed up to the viewing surface. This offers the advantage that in the event of fire, the heat released on one side of the fire door will penetrate less quickly from the viewing surface into the interior of the door leaf box and beyond to the other side of the door.
  • the frame element according to the DE 40 07 732 C2 also has a groove, which is suitable for receiving a foaming strip and a gypsum stud.
  • the latter fulfills the above-mentioned function of cooling in case of fire, while the foaming strip increases in case of fire their volume and can compress an air gap between the door and the frame in this way, so that a smoke passage from the fire side of the fire door on the other side is difficult.
  • the combination of the frame member and the gypsum gallery also causes an increase in the carrying capacity of the frame member and thus the entire fire door, since the gypsum tunnel in combination with the frame member reaches an increased resistance moment.
  • further stiffening beads are arranged in the region of the groove defining profile sections of the frame profile, which give the entire component additional stability.
  • a bending stress of the fire door usually occurs due to the high temperature gradient, which rests in the event of fire over a thickness of the fire door.
  • this load would lead to a fire door - viewed over its height - bulge primarily in an upper area in the direction of the fire side and would release in this way large openings for the fire from the fire side to the other side of the door.
  • the fire-retardant effect which should develop a fire door in case of fire, would therefore be virtually canceled, so appropriate countermeasures are essential.
  • a generic fire door is known, are arranged in the asymmetric U-shaped reinforcing profiles, starting from the vertical end faces of the door panel in the interior.
  • the interior of the U-shaped reinforcing profiles is filled with several layers of strips of plasterboard.
  • the reinforcing profiles of the prior art fire door are very sturdy and have a wall thickness of about 2.5 mm to 3 mm. This is therefore necessary in order to attach the hinge tabs of the door hinges can.
  • the reinforcing profiles also connect directly to the end faces of the door leaf box in order to keep the distance to the hinge tabs as short as possible.
  • the structurally effective components of the known fire-protection door leaf are thus formed by the door leaf box consisting of sheet steel, the U-shaped reinforcing profiles welded thereto and the hinge strips of the door hinges, which in turn are welded thereto.
  • the load is thus transferred from the door leaf box on the reinforcing profiles and the hinge tabs in the door hinges, ie the associated door frame.
  • the gypsum filling located in the reinforcing profiles has no static function, but only the purpose of cooling the reinforcing profile in case of fire and thus to avoid excessive distortion of the stabilization profiles and thus also of the door leaf as a whole.
  • the rectangular tubes extend at a distance from the stop-side end face and the upper end face of the door leaf in both vertical and horizontal directions.
  • To the respective front side of the reinforcing profile is protected by layers of gypsum from excessive heat.
  • the interior of the rectangular tubes is filled with plaster material.
  • the two sections of the reinforcing profile are welded together at a joint and welded at least the vertical reinforcing profile with the door leaf box, namely at the horizontal upper end side.
  • the reinforcing profile arrangement is to be stabilized overall and fixed in their position within the door leaf box.
  • the entire structure of this prior art fire door is very heavy and also expensive to manufacture.
  • Another fire door with U-shaped reinforcement profiles is from the DE 86 02 956 U 1 known.
  • the profiles are thick-walled rolled steel profiles circumferentially arranged in frame form and provided with a filling of plaster for cooling in their vertical sections and the upper horizontal section. Outwardly, the reinforcing profiles are surrounded by insulating material in the form of mineral fiber strips.
  • This prior art construction is to be regarded as disadvantageous in that the weight due to the massive U-profiles is very high and the gypsum filling of the reinforcing profiles due to the trapezoidal in cross-section interior space can be produced only by pouring.
  • the present invention is accordingly based on the object to further develop a door leaf of the type described above that this is able to withstand even in high temperatures bending stresses, both thermal and mechanical stress perpendicular to the viewing surfaces, the production cost should be as low as possible.
  • the underlying object is achieved in that a movement and / or deformation of the planar profile portion of the reinforcing profile in two directions of a perpendicular to the viewing surfaces oriented straight blocked in cooperation with the stabilizing element substantially over the entire surface and that a sheet forming the at least one reinforcing profile should have between 0.2 mm and 1.0 mm, preferably between 0.4 mm and 1.0 mm, more preferably between 0.5 mm and 0.8 mm, and that the at least one reinforcing profile is arranged at a distance from the end faces of the door leaf box, which is preferably between 10 mm and 100 mm, more preferably between 20 mm and 60 mm ..
  • a blocking of the planar profile section of the reinforcing profile against movement and / or deformation in cooperation with the Isoliergro Particularly advantageous if it has on its side facing the reinforcing profile a layer of gypsum, so that there are sufficient strength properties to ensure the blocking effect.
  • movement and deformation is to be understood here as meaning that the flat profile section can not be moved or deformed perpendicularly to the viewing surfaces either in its entirety or in sections. In this case, in particular areal limited bulging phenomena of the planar profile section of the reinforcing profile are excluded, as well as holistic translational displacements and / or twists thereof.
  • substantially should be understood to mean that the above-described types of movements and / or deformations are prevented by the blocking. This can be restrictive with skillful arrangement acting components quite succeed, without the entire flat profile section to prevent 100% of a movement or deformation.
  • a disability in particular the deformation of the profile section is at least to perform such that a stability failure in the form of dents, buckling or the like is suppressed by adequate storage and support of the profile section.
  • a disability in particular the deformation of the profile section is at least to perform such that a stability failure in the form of dents, buckling or the like is suppressed by adequate storage and support of the profile section.
  • one waive a full-surface storage of the sheet profile section individual storage points or sections or areas as homogeneously distributed over the surface of the profile section, so that possible only surface fragments of limited size occur that are able to withstand a stability failure well.
  • planar profile section is in contact with a surface of the stabilization element provided with smaller grooves or grooves, since adjacent contact surfaces, which are present in particular in strip form, are arranged at a sufficiently small distance from each other, so that those of the two-dimensional profile section bridged gaps are too small to allow there to move or deformation of the reinforcing profile.
  • the insulating body With reference to the arrangement of the insulating body is explanatory to add that they are arranged so flat on the cover plates of the door panel that they effectively prevent propagation of the heat generated by a fire from the hot to the cold side.
  • a cover substantially the entire cover plates is necessary, with areas such as a lock case and / or other fixtures can be excluded.
  • a fire door is stressed during a fire, in particular by bending moments, resulting from a temperature gradient, which is adjusted across the thickness of the fire door between the hot and the cold side.
  • the reinforcing profile of the fire door acts as a kind of bar and forms both on the cold side of a pressure zone and on the warm side of a tensile zone.
  • the inclusion of these compressive and tensile forces, which must be reduced over the door thickness, is particularly positively influenced by the reinforcing profile, since the material of the reinforcing profile contributes by its strength to the total resistance torque of the door leaf of the fire door.
  • a particular advantage of the invention is the fact that even when using thin-walled reinforcing profiles sufficient stability of the door panel is achieved even at high thermal stress that safely inadmissible by the interaction of the flat portion of the reinforcing profile with the stabilizing element and / or the insulating body Deformations or movements are prevented. It is, so to speak, a comparatively weakly dimensioned component upgraded to the functional reinforcing profile that it is prevented by the adjacent components (stabilizing element or insulating) at larger, ie critical, deformations, so that in particular stronger bends or even buckling is reliably prevented.
  • the invention thus allows the use of extremely lightweight (thin-walled) and therefore also cost-effective reinforcing profiles that would fail in the event of fire without suitable measures to maintain the original shape.
  • reinforcing profiles which have a wall thickness of less than 1 mm, preferably even less than 0.8 mm, in the region of the areal section, since with a sufficient profile width the at least 40 mm, preferably at least 60 mm, more preferably should be at least 80 mm, over the expansion in this direction a sufficient moment of resistance against deformation is achieved.
  • Reinforcement profiles of this type are on the one hand particularly easy to produce because such thin sheets can be deformed without special effort and designed in geometry and on the other hand are particularly easy and not significantly increase a total weight of the door panel.
  • the stiffening effect of the reinforcing profile is extraordinarily great, which is due in particular to the suppression of any movement and / or deformation of the flat profile section perpendicular to the viewing surfaces of the door leaf.
  • a small sheet thickness of the reinforcing profile also has the advantage that it occupies no separate space within the door panel between the already known components "insulator” and “stabilizing element” and thus the use can take place without the already known components in shape or in their Dimensions would have to be changed.
  • the sheet thickness is in fact within the usual tolerance of commercial gypsum boards.
  • the spaced apart from the end faces of the door panel arrangement of the reinforcing profile is due to the development of temperature during a fire and ensures sufficiently low temperatures and avoiding the bimetallic effect.
  • the reinforcing profiles in the case of a plurality of reinforcing profiles (typically three of them being vertical on the hinge and stop side of the door and horizontal spaced from the upper horizontal end face), they are not interconnected, but spaced from one another. In particular, there is no weld between the individual reinforcing profiles, which minimizes the production cost. It is possible to use the reinforcement profiles, in particular, if they have a U-shape, with the U-legs clamping on the material located therebetween stabilizing element, in particular gypsum, postpone, whereby a sufficient fixation is given.
  • the weight of the fire door is derived on the stabilization profiles in the door hinges. Rather, the stabilization profiles are outside the power flow of the door leaf box in the door hinges, which in particular also allows a sufficiently large distance between the end faces of the door panel and the at least one reinforcing profile.
  • Such a door leaf is particularly advantageous, in which the planar profile section of the at least one reinforcing profile is in full contact with at least one of the stabilizing elements.
  • the stabilizing element should be arranged on a side surface of the planar profile section and in this way hinder movement thereof in a direction perpendicular to the viewing surfaces.
  • the proportion of the contact surface with the stabilizing element should be at least 50%, preferably at least 70%, of the area of the flat profile section of the reinforcing profile.
  • the same should furthermore be in full contact with at least one of the insulating bodies.
  • These are suitable for blocking movement and / or deformation of the profile section in a direction perpendicular to the cover sheets of the door leaf.
  • At least one further stabilization element in the form of a stud along the upper, horizontally extending end face of the door leaf box is arranged between the cover plates of the door leaf.
  • An arrangement of a stabilizing element "along" an end face, as it is also referred to in a door leaf of the type described above, is to be understood in the vicinity of the respective end face and parallel to this arrangement of the stabilizing element, wherein the stabilizing element preferably directly a respective corresponding end face of the door leaf is in contact.
  • the stabilizing elements should be arranged in a particularly preferred embodiment of the door panel according to the invention advantageously between the respectively arranged on the cover plates insulators, wherein the respective stabilizing element should preferably be in each case in planar contact with the corresponding insulator.
  • the respective stabilizing element should preferably be in each case in planar contact with the corresponding insulator.
  • this type of arrangement also has the advantage that the cooling effect, which results from evaporating water in the gypsum, acts directly on the insulating body and so can contribute to a better cooling of the entire fire door.
  • the cooling effect which results from evaporating water in the gypsum, acts directly on the insulating body and so can contribute to a better cooling of the entire fire door.
  • the or the stabilization elements are in each case in contact with corresponding insulating bodies, it is - as already indicated above - Particularly advantageous if at least one planar profile section of the reinforcing profile between the stabilizing element and one of the insulating body is arranged, preferably in each case a flat profile section between the stabilizing element and one of the insulating body is arranged.
  • the at least one flat profile section is prevented on the one hand by the insulating body and on the other side by the stabilizing element to a movement and / or deformation.
  • the inventive arrangement of the profile section can be done in this way particularly simple and equally advantageous.
  • a U-shape is particularly recommended, legs of the reinforcing profile should be aligned parallel to the cover plates.
  • a reinforcing profile with a U-shaped cross-section offers a number of advantages.
  • a U-profile can be particularly easily attached to a lug-shaped stabilizing element in which it is literally “postponed".
  • a width of the U-profile which likewise describes the distance between the limbs measured parallel to a web of the profile, to a width of the respective stabilizing element be adapted so that the reinforcing profile surrounds the stabilizing element exactly or the stabilizing element exactly fills the reinforcing profile.
  • a complex assembly is omitted accordingly, since the reinforcing profile alone due to clamping forces between individual profile sections thereof (leg, web) and the stabilizing element can already be held on the latter.
  • the described "filling" of the U-profile by the stabilizing element offers in addition to the simple installation also has the advantage that a movement and / or deformation of the legs of the reinforcing profile in a direction perpendicular to the viewing surfaces of the door panel is already blocked because the legs as a flat Profile sections are in surface contact with the stabilizing element.
  • the encompassing arrangement of a U-shaped reinforcing profile to the filling stabilizing element also offers the advantage of the already explained cooling effect emanating from the gypsum in case of fire. In this way, the temperature of the reinforcing profile over a long time can be kept low, so that its strength is maintained correspondingly long.
  • a U-profile has two legs, which should be oriented as flat profile sections parallel to the cover plates of the door leaf. It makes sense that these two legs should be arranged in the interior of the door leaf box such that a distance between the two legs of the parallel to the cover plates oriented center plane of the door leaf is approximately identical. In this way, in the case of a moment load exactly one leg is arranged in the pressure zone and a leg in the tension zone, wherein their respective distance from the "neutral fiber", ie from said median plane of the door leaf, is the same, so that both legs together particularly effective can counteract the moment load.
  • the reinforcing profile is designed as a U-profile and is also arranged on a stabilizing element
  • the reinforcing profile should advantageously be pushed onto the stabilizing element until the web of the reinforcing profile rests flat against an end face of the stabilizing element facing away from the front side of the door leaf.
  • the legs of the reinforcing profile are supported in this way maximum by the stabilizing element or blocked for movements and / or deformations.
  • the reinforcing profile should furthermore be arranged on the end face of the stabilizing element which is remote from the end face of the door leaf.
  • This width optimally corresponds to the width of the web of the reinforcing profile, so that in the assembled state, the two legs are aligned exactly parallel to each other. Due to the described pre-deformation of the leg, however, they are in the assembled state by means of a restoring force endeavors to make this "expansion" in a parallel position of both legs undone. However, this reverse deformation is prevented by the stabilizing element, so that the legs are supported on the stabilizing element under the effect of an increased contact pressure. In this way it is particularly easy to achieve a secure hold of the reinforcing profiles on the respective stabilizing elements.
  • the door leaf has a plurality of reinforcing profiles, wherein at least one reinforcing profile on the stabilizing elements of the lateral end faces of the door leaf and preferably also at least one reinforcing profile on a stabilizing element of an upper end side is arranged.
  • the at least one reinforcing profile is arranged in an upper region of the door leaf.
  • a strong curvature of the door leaf of the fire door occurs in an upper region, in particular in an upper half thereof.
  • an opening is released between the frame and the door leaf, through which the fire can spread unhindered in case of fire.
  • a fire-retardant effect of the fire door would be more or less completely removed in such a case.
  • a reinforcement or stiffening of the door leaf in said upper area makes sense in order to reduce just the massively occurring here in case of fire deformations.
  • the same is more or less loosely arranged not only on adjacent components, but if it is also non-positively connected to a respective corresponding stabilizing element, preferably fully adhered to this.
  • a blocking of any movements and / or deformations of the planar profile section of the reinforcing profile is equally possible.
  • a non-positive connection in a sense a composite cross section of the reinforcing profile and the stabilizing element can be created, wherein the non-positive connection of the two individual components in itself can cause a further stiffening ultimately the entire door leaf.
  • the insulating body is designed as a sandwich element, wherein the sandwich element is formed from at least two insulating layers.
  • the first insulating layer should preferably be formed of mineral fiber boards and more preferably the second insulating layer of gypsum boards.
  • Such sandwich elements meet in particular by the Mineral fiber boards particularly good insulating properties and beyond they unfold the already explained above "cooling effect", which is caused by the gypsum boards.
  • a stabilizing element is particularly advantageous, in which at least one stabilizing element is designed as a plaster stud, which is preferably formed from a plurality of layers of plasterboard.
  • a lug is equally well suited for a stiffening effect as well as due to the described cooling effect.
  • the preparation of such a plaster cast of several gypsum boards, preferably from the same gypsum boards, which can also be used for the insulating body, is particularly simple.
  • Such a plaster cast should also advantageously be strip-shaped and preferably formed from a rectangular cross-section.
  • Such a form of stabilization element can be integrated particularly easily into a door panel according to the invention and adapted flexibly to various dimensions.
  • FIG. 1 a schematic view of an interior of a fire door 1 is shown.
  • These stabilizing elements 5 fulfill two important functions: They serve for a stiffening of the fire door 1, so that in the case of a fire, it is able to withstand a bending moment which occurs due to a high temperature gradient over a door thickness.
  • the stabilizing elements 5 contribute to the cooling of the fire door 1, since the gypsum, from which the stabilizing elements 5 are made in the example shown, releases water vapor during a fire and cools the adjacent components in this way.
  • the fire door 1 further has in each case in an upper and in a lower region of the lateral end face 2, a connection element, by means of which the fire door 1 can be suspended in a frame, not shown.
  • the fire door 1 further has a lock case 6 in the lateral end face 4. This includes both a normal locking mechanism including a latch 7 and a blocking element 8, which can be switched off or retracted by turning a key in a designated lock of the lock case 6.
  • fire door 1 also has reinforcing profiles 9, which are illustrated by dashed lines and are executed in the example shown as sheets.
  • the reinforcing profiles 9 are designed as U-profiles and thus each have a web 10 and two, each subsequent to a terminal point of the web 10 leg 11. In the view according to FIG. 1 only one of the two legs 11 of the reinforcing profiles 9 is always recognizable.
  • the reinforcing profiles 9 are each arranged on a stabilizing element 5 along each one of the end faces 2, 3, 4.
  • the reinforcing profiles 9 each with their legs 11 enclose the respectively associated stabilizing element 5, wherein both the web 10 of the respective reinforcing profile 9 surface on one end side of the stabilizing element 5 and the legs 11 surface on side surfaces 12 of the stabilizing element 5 rest, which in too FIG. 1 Not shown cover plates 14 of the fire door 1 are aligned in parallel. That is, the U-shaped reinforcing profiles 9 are completely filled by the stabilizing elements 5, so that in particular a movement of the two legs 11 of a respective reinforcing profile 9 in a direction directed towards each other is not possible, since this is blocked by the stabilizing element 5.
  • the reinforcing profiles 9, which are arranged along lateral end faces of the fire door 1 on the vertically oriented stabilizing elements 5, are positioned in an upper area of the fire door 1.
  • a reinforcement or stiffening of the fire door 1, especially in the upper area is therefore particularly desirable so that deformation can be reduced to a minimum.
  • the stabilizing elements 5 are mentioned, which are made of gypsum and therefore develop a cooling effect already described.
  • the gypsum boards to call 13 which include the reinforcing profiles 9 to the viewing surfaces of the fire door 1 out.
  • FIG. 2 represents a section through the fire door 1. Visible are the cover plates 14, which limit the fire door 1 to the outside. In parallel to the viewing surfaces of the fire door 1 two insulating bodies 15 are further arranged, each consisting of two layers, a layer of a mineral fiber plate 16 and another layer of the gypsum board 13. Further, a stabilizing element 5 can be seen, in the above-described form of a reinforcing profile 9 is enclosed. Out FIG. 2 It can be seen that the legs 11 of the reinforcing profile 9 are in each case "wedged" between two components, the stabilizing element 5 and a gypsum board 13, ie in particular can not move in a direction perpendicular to the viewing surfaces of the fire door 1. Furthermore, the FIG. 2 removable, that the web 10 of the reinforcing profile 9 rests against an end face of the stabilizing element 5, that is, the latter completely fills the U-shaped reinforcing profile 9.
  • FIG. 3 Finally, a schematic three-dimensional representation of a reinforcing profile 9 mounted on a stabilizing element 5 is shown.
  • the U-shape of the reinforcing profile 9, ie the web 10 and the two legs 11 are clearly visible, wherein the reinforcing profile is arranged on the stabilizing element 5 such that the latter completely fills the reinforcing profile 9,
  • the legs 11 of the reinforcing profile 9 are plastically deformed in advance of the attachment, so that they are no longer arranged parallel to each other, but a measured parallel to the web 10 distance of the legs 11, starting from the web 10 continuously reduced.
  • the reinforcing profile 9 receives in this way a kind of "bias", which is noticeable by the fact that in the course of a Aufsteckens the reinforcing profile 9, the legs 11 must be deformed back, this recovery is merely elastic nature.
  • this recovery resists a restoring force that wants to move the legs 11 toward their "oblique", ie non-parallel starting position again to each other.
  • this recovery is hindered by the stabilizing element 5, which is arranged after the plugging between the legs 11. That is, the legs 11 are aligned in an assembled state parallel to each other and abut against the side surfaces 12 of the stabilizing element 5 and also press against this side surface 12 due to the restoring force. This causes a secure hold of the reinforcing profiles 9 on the stabilizing elements 5, so that no unwanted relative movements between the two parts take place.
  • FIG. 1 it can be seen that all three reinforcing profiles 9 are located in an upper area O of the door leaf 1, whereas a lower area U of the door leaf 1 is free of reinforcing profiles 9.
  • the lower region U extends to a lower end face 17 of the door leaf 1, which is illustrated by a dashed line.
  • the stabilizing elements 5 designed as plaster castes with the stabilizing profiles 9 bordering them by clamping and in particular not the metallic cover plates 14 forming the outer skin of the door leaf 1.
  • the latter arise from the sectional view of FIG. 2 ,

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  • Civil Engineering (AREA)
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EP12187338.4A 2011-10-07 2012-10-05 Vantail d'une porte coupe-feu Active EP2578790B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011054281A DE102011054281A1 (de) 2011-10-07 2011-10-07 Türblatt einer Feuerschutztür

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Publication Number Publication Date
EP2578790A1 true EP2578790A1 (fr) 2013-04-10
EP2578790B1 EP2578790B1 (fr) 2017-03-08

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Citations (9)

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DE7613994U1 (de) 1976-05-03 1976-11-04 Riexinger, Gustav, 7129 Brackenheim Feuerschutztuer
NL7607967A (nl) * 1975-07-23 1977-01-25 Schwarze Ag Metalltueren Tegen brand beveiligde deur.
DE2612447A1 (de) 1976-03-24 1977-09-29 Mechel Gerd Feuerschutztuer oder -klappe zum einbau in mauerwerksoeffnungen und in umsetzbare trennwaende
DE2619781A1 (de) * 1976-05-05 1977-11-24 Schwarze Ag Metalltueren Auf einem tragenden rahmen aufgebaute feuerschutztuer
DE8602956U1 (de) 1986-02-05 1986-05-22 Entwicklungsgemeinschaft für Feuerschutzabschlüsse im metallverarbeitenden Handwerk Baden-Württemberg Geschäftsstelle beim Fachverband Metall Baden-Württemberg, 7000 Stuttgart Feuerschutztür
DE4007732A1 (de) * 1989-03-23 1990-09-27 Theo Schroeders Feuerschutztuer
DE19625643A1 (de) 1996-06-26 1998-01-02 Sommer Metallbau Stahlbau Gmbh Tür
DE19651699C1 (de) 1996-12-12 1998-01-15 Theo Schroeders Feuerschutztür mit einem Versteifungsprofil
DE19912672C2 (de) 1999-03-20 2003-03-06 Theo Schroeders Türblatt einer Feuerschutztür

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7801753U1 (de) * 1978-01-21 1978-05-24 Fa. Erich Berg, 2000 Hamburg Schiffsfeuerschutztuer
DE8208854U1 (de) * 1982-03-27 1982-06-09 Schröders, Theo, 5140 Erkelenz Feuerschutzabschluss
DE3305639C2 (de) * 1982-03-27 1984-12-20 Theo 5140 Erkelenz Schröders Feuerschutzabschluß für Bauwerksöffnungen
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