EP3495595A1 - Backfill with intumescent material - Google Patents
Backfill with intumescent material Download PDFInfo
- Publication number
- EP3495595A1 EP3495595A1 EP18207825.3A EP18207825A EP3495595A1 EP 3495595 A1 EP3495595 A1 EP 3495595A1 EP 18207825 A EP18207825 A EP 18207825A EP 3495595 A1 EP3495595 A1 EP 3495595A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- area
- steel frame
- frame
- folding
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000003063 flame retardant Substances 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 26
- 238000005187 foaming Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002984 plastic foam Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
-
- 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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/12—Metal frames
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/12—Metal frames
- E06B1/18—Metal frames composed of several parts with respect to the cross-section of the frame itself
-
- 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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
- E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
- E06B1/6015—Anchoring means
-
- 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
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
Definitions
- the invention relates to a steel frame with fire retardant properties.
- fire protection frames in particular steel frames are also partially lined with a so-called intumescent material.
- This has the property under heat - as it occurs in case of fire - to experience a large volume increase.
- This makes it possible to leave the cavity between the back of the steel frame and the masonry opening initially unfilled or backfilled with a cheap, non-heat-resistant plastic foam.
- the cavity is closed fireproof by the increase in volume and sealed so the back of the frame against the passage of heat and / or combustion gases. If the fire does not occur, the intumescent material remains in the non-foamed state, so that the fire protection steel frame can be easily removed again from the wall opening.
- Out DE 28 50 125 A1 is known a door frame, on which a substance is arranged, which foams under the action of an elevated temperature.
- a profiled metal frame with provided on the back intumescent material is for example made FR 2 477 625 known.
- the intumescent material completely covers the back.
- this has the disadvantage of a high cost, since the intumescent material has to be provided in large quantities. A large part of this is not needed in case of fire and swells out of the side of the frame area.
- the frame profile can be deformed, so that in this way the tightness between the steel frame and the fire door received therein or the fire protection door received therein is impaired.
- the invention has the object to optimize the arrangement of the intumescent material on the back of a steel frame with fire-retardant properties to the effect that with the least possible use of materials a secure seal can be guaranteed in case of fire, but not the profile of the steel frame during foaming can deform in a harmful way.
- the invention is based on a generic steel frame with fire retardant properties, which comprises a sheet metal part.
- the sheet-metal shaped part has a door-side frame mirror, a folding area adjoining the door-side frame mirror, a stop area adjoining the door-side frame mirror, a stop area adjoining the stop area, parallel to the rebate area, and an adjoining the reveal area Direction of the frame mirror angled and aligned parallel to this Umbug on.
- an intumescent material is arranged on the inside of the sheet metal part.
- the intumescent material is arranged exclusively in the form of a door-side intumescent strip at least in sections on the inside of the fold area and on the side of the intumescent strip on the inside of the fold.
- the inside of the frame mirror and the inside of the soffit area are free of intumescent material.
- the intumescent material of the soffit-side strip on the inside of the Umbugs is arranged so that it expands upon expansion into the gap at the back of the steel frame and parallel to the soffit. The forces of expansion that would push the soffit away from the masonry will be reduced.
- the door-side Intumeszenzst Shape is at least partially disposed on the inside of the folding area. This therefore exerts during expansion a certain compressive force between the masonry and the rebate area.
- the frame is not deformed, however, as follows the door or door leaf on the surface of the frame side. It is therefore achieved a secure seal between the steel frame and the masonry and also strengthen the cohesion between the frame and door or gate.
- the side-facing intumescent strip is arranged continuously over the entire longitudinal extension of the sheet-metal shaped part on the flat side of the loop.
- the continuous banding facilitates the manufacture of the steel frame according to the invention. Furthermore, during the foaming of the intumescent material, a continuous, uninterrupted sealing strip of foamed material is likewise produced.
- a fastening element for attachment to a wall is arranged in the angle between the frame mirror and the fold region.
- the door-side IntumeszenzstMail is recessed in the region of the fastener on the inside of the folding area. in the Area of the fastener is for a portion of the door-side IntumeszenzstMails arranged on the inside of the stop area. Since the band-side intumescent strip is interrupted in the region of the fastening elements, its mounting on the inside of the steel frame is simplified.
- the fasteners occupy only a relatively short range in the longitudinal extension of the frame profile from a few centimeters to about 15 cm, such a short-term interruption of arranged on the folding portion of the band side Intumeszenzstsammlung in conjunction with an intermediate piece on the back of the stopper portion for the tightness in the event of fire harmless -
- the band-side Intumeszenzstsammlung is completely interrupted for reasons of simplicity particularly preferred in the field of fasteners.
- the recessed there Intumeszenzmaterial can be arranged adjacent to the back of the stopper portion.
- At least one protective box for a locking element is preferably arranged in the angle between the frame mirror and the folding area.
- the protective box is accessible from the outside of the steel frame through an opening through which locking elements, such as locking hook or bolt, can intervene.
- the protective box ensures that there is enough space left for an intervention on the rear inside of the steel frame.
- the protective box is preferably circumferentially sealed, so that the interior of the protective box communicates only with the outside of the steel frame and against the arranged behind the inside of the steel frame cavity is completed.
- the protective box is formed as a sheet metal box, which is welded circumferentially to the back of the steel frame.
- the door-side intumescent strip is interrupted in the region of the protective box of an inner side of the folding area. At the same time a portion of the door-side IntumeszenzstMails is placed on the protective box.
- the applied on the protective box section can differ in material thickness and width from the rest of the door-side Intumeszenzstographies.
- the section of the IntumeszenzstMails on the protective box in width and thickness corresponds to the brand-side IntumeszenzstMail directly on the inside of the folding section in the immediate vicinity of the protective box.
- the length of the section at the top of the protective box has a length which corresponds to the length of the interruption of the door-side IntumeszenzstMails immediately adjacent to the fold region.
- the door-side IntumeszenzstMail can be particularly easily formed from a continuous piece of intumescent material whose length corresponds to the steel profile.
- the section of the door-side intumescent strip arranged on the upper side of the protective box is arranged parallel to the surface of the door-side intumescent strip arranged directly on the inside of the folding area.
- a mounting bracket of the door hinge is fastened on the inside in the angle between the frame mirror and the folding area.
- the door-side IntumeszenzstMail is recessed in the region of the mounting bracket on the inside of the folding area. Furthermore, on the mounting bracket surface parallel to the door side Intumescent strips arranged on the inside of the folding area at the band angle section of the door-side IntumeszenzstMails.
- the door-side IntumeszenzstMail in the longitudinal direction of the sheet metal part is formed in several parts and without overlap.
- the multi-part door-side intumescent strip extends over at least 95%, in particular over the entire longitudinal extent of the sheet metal part. Surprisingly, this is sufficient to achieve a sufficient seal in case of fire, even if sections of the door-side IntumeszenzstMails are not located directly on the inside of the folding section.
- the steel frame is designed as a two-part Um drawnszarge, wherein a counter frame is connectable to the sheet metal part.
- the counter frame is designed without intumescent material. In the context of the present invention, it is sufficient to provide the intumescent material only on the door-side sheet-metal shaped part. Thus, a standard counter frame for completing the Um drawnszarge can be used very easily. In particular, different variants for providing a Um drawnszarge for different wall thicknesses can be provided here, without that they would also have to be coated in the intumescent material.
- the Fig. 1 shows a horizontal section through a steel frame according to the invention in the region of a lock-side Zargenholmes in the installed state.
- no special installations such as protection boxes for securing bolts or locking elements, fasteners, tape holders and the like are arranged.
- a horizontal section through the lock-side, vertically extending Zargenholm the frame is shown, this also corresponds to a vertical section through the horizontally extending over the side rails cross member of the steel frame and - mirrored - a horizontal section through a built-in area of the door side Zargenholmes.
- Trained as a corner frame steel frame is formed with a sheet metal part 1 and connected to a wall 2.
- a door leaf 3 which is only indicated schematically.
- the door leaf 3 is formed in the embodiment as Dünnfalzm.
- steel frame is usable without limitation of the invention with thick-folding doors or butt-hinged doors.
- the sheet-metal shaped part has a door-side frame mirror 4, a folding region 5 which adjoins the door-side frame mirror 4 at a right angle in the direction of the door opening.
- a stop area 6 which extends parallel to the surface to the door side frame mirror 4.
- a groove 7 for receiving a door seal 8 is formed.
- the door seal 8 is formed by an elastic hollow chamber profile, which is pressed with excess in the groove 7.
- the stop area 6 includes a parallel to the folding area 5 aligned soffit area 9.
- Reveal area 9 and fold area 5 are aligned parallel to the edge of the wall opening formed in the wall 2.
- the reveal areas 9 also includes a fold 10, which is angled in the direction of the door-side frame mirror 4 and aligned parallel thereto. Between the fold 10 and the wall 2 remains in the installed state, a gap of the width a.
- an intumescent material exclusively in the form of a door-side intumescent strip 11 is arranged at least in sections on the inside of the folding area 5 and a side-facing intumescent strip 12 on the inside of the loop 10 on the inside of the sheet-metal shaped part.
- the inside of the frame mirror 4 and the inside of the reveal area 9 are free of intumescent material.
- the embossing-side intumescent strip 12 is formed continuously over the entire longitudinal extent of the sheet metal part 1, so that it is equally visible in all representations of the following sectional drawings on the inside of the Umbugs 10.
- the Fig. 2 shows a horizontal section through the lock-side Zargenholm in the region of a fastener 13.
- the door-side IntumeszenzstMail 11 is interrupted on the inside of the folding area 5. Instead, a portion 11 a of the door-side IntumeszenzstMails 11 is disposed on the inside of the stop region 6 in the region of the fastening element 13.
- the situation is also in the case of fastening elements 13 in the region of the transverse spar or the door-side frame spar.
- a protective box 14 for a locking element 15 is arranged in the sectional view according to Fig. 3 in the angle between the frame mirror 4 and the folding area 5, a protective box 14 for a locking element 15 is arranged.
- the door-side intumescent strip 11 is interrupted in the region of the protective box 14 on the inside of the folding area 5.
- On the protective box 14 is a portion 11b of the door-side Intumeszenzstsammlungs 11 on.
- the section 11b of the intumescent strip on the protective box 14 corresponds in width and thickness to the door-side intumescent strip 11 directly on the inside of the folding section 5 in the immediate vicinity of the protective box 14 in the longitudinal direction of the sheet metal profile 1.
- the length of the section 11b at the top of the protective box 14 in Longitudinal direction of the sheet metal profile 1 corresponds to the length of the interruption of the immediately adjacent to the folding area 5 door-side IntumeszenzstMails 11.
- the section 11b is arranged to the adjacent IntumeszenzstMail 11 surface parallel.
- the closing element may, for example - as in Fig. 3 shown - around a door latch 15 or as in Fig. 4 shown - to act a safety pin 16.
- a mounting bracket 17 is provided for fastening a door hinge 18.
- the door-side IntumeszenzstMail 11 is recessed in the region of the mounting bracket 17 on the inside of the folding area 5.
- a band angle portion 11c of the door-side IntumeszenzstMails 11 is arranged.
- the band angle section 11c may be narrower in width than the door-side Intumeszenzst Shape 11 directly on the inside of the folding area. 5
- Fig. 6 shows a representation accordingly Fig. 1 in an alternative embodiment, with a two-part Um chargedszarge.
- the sheet metal profile 1 is connected to a counter frame 19.
- the Um chargedszarge thus surrounds the wall 2 in the installed state on both sides.
- the counter-frame 19 is formed without intumescent material. It lies flat on the reveal portion 9 and on the fold 10 and is connected by an engaging in the bottom of the groove 8 mounting screw 20 with the sheet metal profile 1.
- the counter frame 19 may be connected by its own fasteners 21 to the wall 2.
Abstract
Die Erfindung betrifft eine Stahlzarge mit brandhemmenden Eigenschaften umfassend ein Blechformteil (1). Das Blechformteil (1) umfasst einen türseitigen Zargenspiegel (4), einen an den türseitigen Zargenspiegel (4) anschließenden, rechtwinklig abgewinkelten Falzbereich (5), einen an der dem türseitigen Zargenspiegel (4) abgewandten Seite des Falzbereichs (5) anschließenden Anschlagsbereich (6), einen an den Anschlagsbereich (6) anschließenden, parallel zum Falzbereich (5) ausgerichteten Laibungsbereich (9) sowie einen an den Laibungsbereich (9) anschließenden, in Richtung des Zargenspiegels abgewinkelten und parallel zu diesem ausgerichteten Umbug (10) auf. An der Innenseite des Blechformteils (1) ist ein Intumeszenzmaterial (11, 11a, 11b, 11c, 12) angeordnet. Erfindungsgemäß ist das Intumeszenzmaterial (11, 11a, 11b, 11c, 12) ausschließlich in Form eines türseitigen Intumeszenzstreifens (11, 11a, 11b, 11c) zumindest abschnittsweise an der Innenseite des Falzbereichs (5) und eines laibungsseitigen Intumeszenzstreifens (12) an der Innenseite des Umbugs (10) angeordnet. Die Innenseite des Zargenspiegels (4) und die Innenseite des Laibungsbereichs (9) sind frei von Intumeszenzmaterial.The invention relates to a steel frame with fire-retardant properties, comprising a shaped sheet metal part (1). The molded sheet metal part (1) comprises a frame mirror (4) on the door side, a folding area (5) adjoining the frame mirror (4) on the door side, angled at an angle, and a stop area (6) on the side of the folding area (5) facing away from the door frame mirror (4) ), a reveal area (9) adjoining the stop area (6), parallel to the fold area (5), and a fold (10) adjoining the reveal area (9), angled in the direction of the frame mirror and aligned parallel to it. An intumescent material (11, 11a, 11b, 11c, 12) is arranged on the inside of the sheet metal part (1). According to the invention, the intumescent material (11, 11a, 11b, 11c, 12) is exclusively in the form of a door-side intumescent strip (11, 11a, 11b, 11c) at least in sections on the inside of the fold area (5) and a soffit-side intumescent strip (12) on the inside of the fold (10) arranged. The inside of the frame mirror (4) and the inside of the reveal area (9) are free of intumescent material.
Description
Die Erfindung betrifft eine Stahlzarge mit brandhemmenden Eigenschaften.The invention relates to a steel frame with fire retardant properties.
Im Bereich der Brandschutztüren und -tore werden aufgrund der hohen thermischen Beständigkeit vielfach Zargen aus Metallprofilen, insbesondere Stahlzargen eingesetzt. Sie sind überdies leicht und kostengünstig herzustellen und weisen auch im normalen Betrieb ohne Brandlast eine hohe mechanische Widerstandskraft auf. Stahlzargen werden in der Regel als Blechprofile ausgebildet, welche eine hohe Eigensteifigkeit aufweisen. Problematisch ist jedoch die Abdichtung zwischen dem Blechprofil und der Mauerwerksöffnung, in welche die Stahlzarge eingesetzt wird. Diese Abdichtung ist insbesondere im Brandfall von herausragender Bedeutung, damit ein sicherer Brandabschluss gewährleistet werden kann. Bei einer unzureichenden Abdichtung können Hitze, Flammen und/oder Rauchgase an der Rückseite der Stahlzarge hindurchtreten.In the field of fire doors and gates are often used frames made of metal profiles, especially steel frames due to the high thermal resistance. They are also easy and inexpensive to manufacture and have a high mechanical resistance even in normal operation without fire load. Steel frames are usually designed as sheet metal profiles, which have a high inherent rigidity. However, the problem is the sealing between the sheet metal profile and the masonry opening, in which the steel frame is used. This seal is of particular importance in case of fire, so that a safe fire can be guaranteed. If the seal is insufficient, heat, flames and / or fumes may pass through the back of the steel frame.
Hierzu ist es grundsätzlich bekannt, den Hohlraum zwischen der Rückseite der Stahlzarge und der Mauerwerksöffnung mit einem feuerbeständigen Dichtmaterial auszufüllen. Traditionell wird hierzu beispielsweise Mörtel eingesetzt, welcher vergleichsweise günstig und bei Bauvorhaben ohnehin vorhanden ist. Ebenso sind feuerbeständige Kunststoffschäume bekannt, welche zum Hinterfüllen einer Brandschutzstahlzarge verwendet werden. Diese sind jedoch im Vergleich teurer und auch nicht gegen beliebig hohe Temperaturen resistent.For this purpose, it is generally known to fill the cavity between the back of the steel frame and the masonry opening with a fire-resistant sealing material. Traditionally, for example, this mortar is used, which is comparatively cheap and in construction projects anyway available. Likewise, fire-resistant plastic foams are known, which are used for backfilling a fire protection steel frame. However, these are more expensive in comparison and not resistant to any high temperatures.
Eine Hinterfüllung beim Einbau der Stahlzarge hat jedoch den Nachteil, dass sich diese - wenn überhaupt - nur mit sehr großem Aufwand nachträglich wieder zerstörungsfrei aus der Maueröffnung entfernen lässt. In der Regel muss die Stahlzarge bei einem Austausch zerschnitten und das Hinterfüllungsmaterial entfernt werden. Dies ist mit hohem Arbeitsaufwand verbunden und verhindert auch eine Wiederverwendung der entnommenen Stahlzarge.However, a backfill when installing the steel frame has the disadvantage that this - if at all - can be retrieved without destruction from the wall opening only with great effort. In general, must The steel frame is cut in an exchange and the backfill material are removed. This is associated with a high workload and also prevents reuse of the removed steel frame.
Daher werden Brandschutzzargen, insbesondere Stahlzargen auch teilweise mit einem sogenannten intumeszierenden Material ausgekleidet. Dieses hat die Eigenschaft, unter Hitzeeinwirkung - wie dies im Brandfall auftritt - eine große Volumenzunahme zu erfahren. Hierdurch ist es möglich, den Hohlraum zwischen der Rückseite der Stahlzarge und der Mauerwerksöffnung zunächst unverfüllt zu lassen oder mit einem günstigen, nicht hitzebeständigen Kunststoffschaum zu hinterfüllen. Im Brandfall wird durch die Volumenzunahme der Hohlraum feuerfest geschlossen und so die Rückseite der Zarge gegen einen Durchtritt von Hitze und/oder Brandgasen abgedichtet. Tritt der Brandfall nicht ein, verbleibt das intumeszierende Material im nicht aufgeschäumten Zustand, so dass die Brandschutzstahlzarge problemlos wieder aus der Maueröffnung entnommen werden kann.Therefore, fire protection frames, in particular steel frames are also partially lined with a so-called intumescent material. This has the property under heat - as it occurs in case of fire - to experience a large volume increase. This makes it possible to leave the cavity between the back of the steel frame and the masonry opening initially unfilled or backfilled with a cheap, non-heat-resistant plastic foam. In case of fire, the cavity is closed fireproof by the increase in volume and sealed so the back of the frame against the passage of heat and / or combustion gases. If the fire does not occur, the intumescent material remains in the non-foamed state, so that the fire protection steel frame can be easily removed again from the wall opening.
Aus
Eine profilierte Metallzarge mit an der Rückseite vorgesehenen intumeszierenden Material ist beispielsweise aus
Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, die Anordnung des intumeszierenden Materials an der Rückseite einer Stahlzarge mit brandhemmenden Eigenschaften dahingehend zu optimieren, dass mit möglichst geringem Materialeinsatz eine sichere Abdichtung im Brandfall gewährleistet werden kann, welche jedoch das Profil der Stahlzarge beim Aufschäumen nicht in schädlicher Weise verformen kann.Against this background, the invention has the object to optimize the arrangement of the intumescent material on the back of a steel frame with fire-retardant properties to the effect that with the least possible use of materials a secure seal can be guaranteed in case of fire, but not the profile of the steel frame during foaming can deform in a harmful way.
Lösung dieser Aufgabe und Gegenstand der Erfindung ist eine Stahlzarge gemäß Patentanspruch 1. Bevorzugte Ausgestaltungen sind in den Unteransprüchen angegeben.Solution to this problem and subject of the invention is a steel frame according to
Die Erfindung geht von einer gattungsgemäßen Stahlzarge mit brandhemmenden Eigenschaften aus, welche ein Blechformteil umfasst. Das Blechformteil weist einen türseitigen Zargenspiegel, einen an den türseitigen Zargenspiegel anschließenden, rechtwinklig abgewinkelten Falzbereich, einen an der dem türseitigen Zargenspiegel abgewandten Seite des Falzbereichs anschließenden Anschlagsbereich, einen an den Anschlagsbereich anschließenden, parallelen zum Falzbereich ausgerichteten Laibungsbereich und einen an den Laibungsbereich anschließenden, in Richtung des Zargenspiegels abgewinkelten und parallel zu diesem ausgerichteten Umbug auf. An der Innenseite des Blechformteils ist ein Intumeszenzmaterial angeordnet. Erfindungsgemäß ist das Intumeszenzmaterial ausschließlich in Form eines türseitigen Intumeszenzstreifens zumindest abschnittsweise an der Innenseite des Falzbereichs und eines laibungsseitigen Intumeszenzstreifens an der Innenseite des Umbugs angeordnet. Die Innenseite des Zargenspiegels und die Innenseite des Laibungsbereichs sind frei von Intumeszenzmaterial.The invention is based on a generic steel frame with fire retardant properties, which comprises a sheet metal part. The sheet-metal shaped part has a door-side frame mirror, a folding area adjoining the door-side frame mirror, a stop area adjoining the door-side frame mirror, a stop area adjoining the stop area, parallel to the rebate area, and an adjoining the reveal area Direction of the frame mirror angled and aligned parallel to this Umbug on. On the inside of the sheet metal part an intumescent material is arranged. According to the invention, the intumescent material is arranged exclusively in the form of a door-side intumescent strip at least in sections on the inside of the fold area and on the side of the intumescent strip on the inside of the fold. The inside of the frame mirror and the inside of the soffit area are free of intumescent material.
Durch die erfindungsgemäße Anordnung des Intumeszenzmaterials in zwei Streifen kann die benötigte Dichtwirkung im Brandfall mit verhältnismäßig geringem Materialaufwand bereitgestellt werden. Dabei ist das intumeszierende Material des laibungsseitigen Streifens an der Innenseite des Umbugs so angeordnet, dass es sich bei einer Expansion in den Zwischenraum an der Rückseite der Stahlzarge und parallel zur Laibung ausdehnt. Die Kräfte durch die Expansion, welche die Laibung vom Mauerwerk wegdrücken würden, werden so reduziert. Weiterhin ist der türseitige Intumeszenzstreifen zumindest abschnittsweise an der Innenseite des Falzbereichs angeordnet. Dieser übt daher beim Expandieren eine gewisse Druckkraft zwischen dem Mauerwerk und dem Falzbereich aus. Hierdurch wird die Zarge jedoch nicht verformt, da an der Oberfläche der Zargenseite das Tür- bzw. Torblatt anschließt. Es wird daher eine sichere Abdichtung zwischen der Stahlzarge und dem Mauerwerk erreicht und zusätzlich der Zusammenhalt zwischen Zarge und Türflügel bzw. Tor verstärkt. Durch das Freihalten der Innenseite des Zargenspiegels von dem Intumeszenzmaterial wird ein unerwünschtes Abheben der Stahlzarge von der Maueröffnung vermieden.The inventive arrangement of the intumescent material in two strips, the required sealing effect can be provided in case of fire with relatively little cost of materials. In this case, the intumescent material of the soffit-side strip on the inside of the Umbugs is arranged so that it expands upon expansion into the gap at the back of the steel frame and parallel to the soffit. The forces of expansion that would push the soffit away from the masonry will be reduced. Furthermore, the door-side Intumeszenzstreifen is at least partially disposed on the inside of the folding area. This therefore exerts during expansion a certain compressive force between the masonry and the rebate area. As a result, the frame is not deformed, however, as follows the door or door leaf on the surface of the frame side. It is therefore achieved a secure seal between the steel frame and the masonry and also strengthen the cohesion between the frame and door or gate. By keeping the inside of the frame mirror of the intumescent material, an unwanted lifting of the steel frame is avoided by the wall opening.
In einer bevorzugten Ausgestaltung ist der laibungsseitige Intumeszenzstreifen durchgängig über die gesamte Längserstreckung des Blechformteils an der ebenen Seite des Umbugs angeordnet. Die durchgängige Streifenbildung erleichtert die Fertigung der erfindungsgemäßen Stahlzarge. Weiterhin wird beim Aufschäumen des Intumeszenzmaterials ebenfalls ein durchgängiger, ununterbrochener Abdichtstreifen aus aufgeschäumten Material erzeugt.In a preferred embodiment, the side-facing intumescent strip is arranged continuously over the entire longitudinal extension of the sheet-metal shaped part on the flat side of the loop. The continuous banding facilitates the manufacture of the steel frame according to the invention. Furthermore, during the foaming of the intumescent material, a continuous, uninterrupted sealing strip of foamed material is likewise produced.
Vorzugsweise ist in dem Winkel zwischen dem Zargenspiegel und dem Falzbereich ein Befestigungselement zur Befestigung an einer Wand angeordnet. Der türseitige Intumeszenzstreifen ist im Bereich des Befestigungselementes an der Innenseite des Falzbereichs ausgespart. Im Bereich des Befestigungselementes ist dafür ein Abschnitt des türseitigen Intumeszenzstreifens an der Innenseite des Anschlagsbereichs angeordnet. Da der bänderseitige Intumeszenzstreifen im Bereich der Befestigungselemente unterbrochen wird, vereinfacht sich dessen Montage an der Innenseite der Stahlzarge. Auch wird im Bereich der Befestigungselement der Spalte zwischen Zarge und Maueröffnung verkleinert, so dass es ausreichend ist, einen Abschnitt des bänderseitigen Intumeszenzstreifens an den dem Falzabschnitt benachbarten Anschlagsabschnitt anzuordnen. Da die Befestigungselemente nur über einen relativ kurzen Bereich in Längserstreckung des Zargenprofils von einigen wenigen Zentimetern bis etwa 15 cm einnehmen, ist eine derart kurzfristige Unterbrechung des an dem Falzabschnitt angeordneten Teils des bänderseitigen Intumeszenzstreifen in Verbindung mit einem Zwischenstück an der Rückseite des Anschlagsabschnittes für die Dichtigkeit im Brandfall unschädlich - Dabei wird die bänderseitige Intumeszenzstreifen aus Gründen der Einfachheit besonders bevorzugt im Bereich der Befestigungselemente vollständig unterbrochen. Insbesondere kann das dort ausgesparte Intumeszenzmaterial benachbart an der Rückseite des Anschlagsabschnittes angeordnet werden.Preferably, a fastening element for attachment to a wall is arranged in the angle between the frame mirror and the fold region. The door-side Intumeszenzstreifen is recessed in the region of the fastener on the inside of the folding area. in the Area of the fastener is for a portion of the door-side Intumeszenzstreifens arranged on the inside of the stop area. Since the band-side intumescent strip is interrupted in the region of the fastening elements, its mounting on the inside of the steel frame is simplified. Also, in the region of the fastening element of the gap between the frame and the wall opening is reduced, so that it is sufficient to arrange a portion of the strip-side Intumeszenzstreifens adjacent to the folding portion stop portion. Since the fasteners occupy only a relatively short range in the longitudinal extension of the frame profile from a few centimeters to about 15 cm, such a short-term interruption of arranged on the folding portion of the band side Intumeszenzstreifen in conjunction with an intermediate piece on the back of the stopper portion for the tightness in the event of fire harmless - The band-side Intumeszenzstreifen is completely interrupted for reasons of simplicity particularly preferred in the field of fasteners. In particular, the recessed there Intumeszenzmaterial can be arranged adjacent to the back of the stopper portion.
Weiterhin ist vorzugweise in dem Winkel zwischen dem Zargenspiegel und dem Falzbereich zumindest ein Schutzkasten für ein Verriegelungselement angeordnet. Der Schutzkasten ist dabei von der Außenseite der Stahlzarge durch eine Öffnung zugänglich, durch welche Verriegelungselemente, wie beispielsweise Verriegelungshaken oder -bolzen, eingreifen können. Der Schutzkasten stellt dabei sicher, dass an der rückwärtigen Innenseite der Stahlzarge genügend Platz für einen Eingriff erhalten bleibt. Der Schutzkasten ist vorzugsweise umlaufend abgedichtet, so dass der Innenraum des Schutzkastens lediglich mit der Außenseite der Stahlzarge in Verbindung steht und gegenüber dem hinter der Innenseite der Stahlzarge angeordneten Hohlraum abgeschlossen ist. Vorzugsweise ist der Schutzkasten als Blechkasten gebildet, welcher umlaufend mit der Rückseite der Stahlzarge verschweißt ist.
Gemäß einer bevorzugten Variante der Erfindung ist der türseitige Intumeszenzstreifen im Bereich des Schutzkastens einer Innenseite des Falzbereichs unterbrochen. Auf den Schutzkasten ist gleichzeitig ein Abschnitt des türseitigen Intumeszenzstreifens aufgelegt. Der auf dem Schutzkasten aufgelegte Abschnitt kann dabei in Materialstärke und -breite vom Rest des türseitigen Intumeszenzstreifens abweichen.Furthermore, at least one protective box for a locking element is preferably arranged in the angle between the frame mirror and the folding area. The protective box is accessible from the outside of the steel frame through an opening through which locking elements, such as locking hook or bolt, can intervene. The protective box ensures that there is enough space left for an intervention on the rear inside of the steel frame. The protective box is preferably circumferentially sealed, so that the interior of the protective box communicates only with the outside of the steel frame and against the arranged behind the inside of the steel frame cavity is completed. Preferably, the protective box is formed as a sheet metal box, which is welded circumferentially to the back of the steel frame.
According to a preferred variant of the invention, the door-side intumescent strip is interrupted in the region of the protective box of an inner side of the folding area. At the same time a portion of the door-side Intumeszenzstreifens is placed on the protective box. The applied on the protective box section can differ in material thickness and width from the rest of the door-side Intumeszenzstreifens.
In einer bevorzugten Ausgestaltung entspricht der Abschnitt des Intumeszenzstreifens auf den Schutzkasten in Breite und Stärke den brandseitigen Intumeszenzstreifen unmittelbar an der Innenseite des Falzabschnittes in unmittelbarer Umgebung zu dem Schutzkasten. Die Länge des Abschnitts an der Oberseite des Schutzkastens weist eine Länge auf, welche der Länge der Unterbrechung das an den Falzbereich unmittelbar angeordneten türseitigen Intumeszenzstreifens entspricht. Somit lässt sich der türseitige Intumeszenzstreifen besonders einfach aus einem durchgängigen Stück Intumeszenzmaterial bilden, dessen Länge der des Stahlprofils entspricht.In a preferred embodiment, the section of the Intumeszenzstreifens on the protective box in width and thickness corresponds to the brand-side Intumeszenzstreifen directly on the inside of the folding section in the immediate vicinity of the protective box. The length of the section at the top of the protective box has a length which corresponds to the length of the interruption of the door-side Intumeszenzstreifens immediately adjacent to the fold region. Thus, the door-side Intumeszenzstreifen can be particularly easily formed from a continuous piece of intumescent material whose length corresponds to the steel profile.
In jedem Fall ist es zweckmäßig, dass der an der Oberseite des Schutzkastens angeordnete Abschnitt des türseitigen Intumeszenzstreifens flächenparallel zu dem unmittelbaren der Innenseite des Falzbereiches angeordneten türseitigen Intumeszenzstreifens angeordnet ist.In any case, it is expedient that the section of the door-side intumescent strip arranged on the upper side of the protective box is arranged parallel to the surface of the door-side intumescent strip arranged directly on the inside of the folding area.
In einer bevorzugten Ausgestaltung der Erfindung ist in dem Winkel zwischen dem Zargenspiegel und dem Falzbereich ein Befestigungswinkel des Türbandes innenseitig befestigt. Der türseitige Intumeszenzstreifen ist im Bereich des Befestigungswinkels an der Innenseite des Falzbereichs ausgespart. Weiterhin ist auf dem Befestigungswinkel flächenparallel zum türseitigen Intumeszenzstreifen an der Innenseite des Falzbereichs am Bandwinkelabschnitt des türseitigen Intumeszenzstreifens angeordnet.In a preferred embodiment of the invention, a mounting bracket of the door hinge is fastened on the inside in the angle between the frame mirror and the folding area. The door-side Intumeszenzstreifen is recessed in the region of the mounting bracket on the inside of the folding area. Furthermore, on the mounting bracket surface parallel to the door side Intumescent strips arranged on the inside of the folding area at the band angle section of the door-side Intumeszenzstreifens.
Besonders bevorzugt ist der türseitige Intumeszenzstreifen in Längserstreckungsrichtung des Blechformteils mehrteilig und ohne Überlappung ausgebildet. Zweckmäßigerweise erstreckt sich der mehrteilige türseitige Intumeszenzstreifen dabei über zumindest 95 %, insbesondere über die gesamte Längserstreckung des Blechformteils. Überraschenderweise ist das ausreichend, um eine ausreichende Abdichtung im Brandfall zu erzielen, selbst wenn Abschnitte des türseitigen Intumeszenzstreifens nicht unmittelbar an der Innenseite des Falzabschnitts angeordnet sind.Particularly preferably, the door-side Intumeszenzstreifen in the longitudinal direction of the sheet metal part is formed in several parts and without overlap. Expediently, the multi-part door-side intumescent strip extends over at least 95%, in particular over the entire longitudinal extent of the sheet metal part. Surprisingly, this is sufficient to achieve a sufficient seal in case of fire, even if sections of the door-side Intumeszenzstreifens are not located directly on the inside of the folding section.
In einer bevorzugten Ausgestaltung ist die Stahlzarge als zweiteilige Umfassungszarge ausgebildet, wobei eine Gegenzarge mit dem Blechformteil verbindbar ist. Die Gegenzarge ist ohne Intumeszenzmaterial ausgebildet. Im Rahmen der vorliegenden Erfindung reicht es aus, das Intumeszenzmaterial lediglich an dem türseitigen Blechformteil vorzusehen. Somit kann besonders einfach eine standardmäßige Gegenzarge zur Vervollständigung der Umfassungszarge verwendet werden. Insbesondere können hierbei auch verschiedene Varianten zur Bereitstellung einer Umfassungszarge für unterschiedliche Wandstärken vorgesehen sein, ohne dass diese ebenfalls im Intumeszenzmaterial beschichtet sein müssten.In a preferred embodiment, the steel frame is designed as a two-part Umfassungszarge, wherein a counter frame is connectable to the sheet metal part. The counter frame is designed without intumescent material. In the context of the present invention, it is sufficient to provide the intumescent material only on the door-side sheet-metal shaped part. Thus, a standard counter frame for completing the Umfassungszarge can be used very easily. In particular, different variants for providing a Umfassungszarge for different wall thicknesses can be provided here, without that they would also have to be coated in the intumescent material.
Die Erfindung wird nachfolgend anhand von lediglich einem Ausführungsbeispiel darstellenden Zeichnungen erläutert. Es zeigen dabei schematisch
- Fig. 1
- einen Horizontalschnitt durch eine erfindungsgemäße Stahlzarge im Bereich eines schlossseitigen Zargenholms,
- Fig. 2
- eine Darstellung entsprechend
Fig. 1 im Bereich eines Befestigungselementes, - Fig. 3
- einen Horizontalschnitt im Bereich des Schlossschutzkastens,
- Fig. 4
- eine entsprechende Ansicht im Bereich eines Mauerschutzkastens für einen Sicherungsbolzen an einem türseitigen Zargenholm,
- Fig. 5
- einen Horizontalschnitt im Bereich eines Türbandes und
- Fig. 6
- eine Darstellung entsprechend
Fig. 1 bei einer alternativen Ausführungsform als Umfassungszarge.
- Fig. 1
- a horizontal section through a steel frame according to the invention in the region of a lock-side Zargenholms,
- Fig. 2
- a representation accordingly
Fig. 1 in the region of a fastening element, - Fig. 3
- a horizontal section in the area of the lock protection box,
- Fig. 4
- a corresponding view in the area of a wall protection box for a safety bolt on a door-side Zargenholm,
- Fig. 5
- a horizontal section in the region of a door hinge and
- Fig. 6
- a representation accordingly
Fig. 1 in an alternative embodiment as Umfassungszarge.
Die
Die als Eckzarge ausgebildete Stahlzarge ist mit einem Blechformteil 1 gebildet und mit einer Wand 2 verbunden. An dem Blechformteil 1 schlägt ein Türblatt 3 an, welches lediglich schematisch angedeutet ist. Das Türblatt 3 ist im Ausführungsbeispiel als Dünnfalztür ausgebildet. Die erfindungsgemäße Stahlzarge ist jedoch ohne Beschränkung der Erfindung auch mit Dickfalztüren oder stumpf anschlagenden Türen verwendbar.Trained as a corner frame steel frame is formed with a
Erfindungsgemäß weist das Blechformteil einen türseitigen Zargenspiegel 4, einen an den türseitigen Zargenspiegel 4 anschließenden, rechtwinklig in Richtung der Türöffnung abgewinkelten Falzbereich 5 auf. An die dem türseitigen Zargenspiegel 4 abgewandten Seite des Falzbereichs 5 schließt ein Anschlagsbereich 6 an, welcher sich flächenparallel zum türseitigen Zargenspiegel 4 erstreckt. An dem Anschlagsbereich 6 ist eine Nut 7 zur Aufnahme einer Türdichtung 8 ausgebildet. Die Türdichtung 8 wird durch ein elastisches Hohlkammerprofil gebildet, welches mit Übermaß in die Nut 7 eingedrückt wird. An den Anschlagsbereich 6 schließt ein parallel zum Falzbereich 5 ausgerichteter Laibungsbereich 9 an. Laibungsbereich 9 und Falzbereich 5 sind parallel zum Rand der in der Wand 2 ausgebildeten Maueröffnung ausgerichtet. An den Laibungsbereichen 9 schließt ferner ein Umbug 10 an, welcher in Richtung des türseitigen Zargenspiegels 4 abgewinkelt und parallel zu diesem ausgerichtet ist. Zwischen dem Umbug 10 und der Wand 2 verbleibt im eingebauten Zustand ein Spalt der Breite a.According to the invention, the sheet-metal shaped part has a door-
Erfindungsgemäß ist an der Innenseite des Blechformteils ein Intumeszenzmaterial ausschließlich in Form eines türseitigen Intumeszenzstreifens 11 zumindest abschnittsweise an der Innenseite des Falzbereichs 5 und eines laibungsseitigen Intumeszenzstreifens 12 an der Innenseite des Umbugs 10 angeordnet. Die Innenseite des Zargenspiegels 4 und die Innenseite des Laibungsbereichs 9 sind frei von Intumeszenzmaterial. Im dargestellten Ausführungsbeispiel ist der laibungsseitige Intumeszenzstreifen 12 durchgängig über die gesamte Längserstreckung des Blechformteils 1 ausgebildet, so dass er in sämtlichen Darstellungen der nachfolgenden Schnittzeichnungen an der Innenseite des Umbugs 10 gleichermaßen sichtbar ist.According to the invention, an intumescent material exclusively in the form of a door-side
Die
In der Schnittdarstellung gemäß
In the sectional view according to
In
Claims (9)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102017128873.2A DE102017128873A1 (en) | 2017-12-05 | 2017-12-05 | Backfill with intumescent material |
Publications (2)
Publication Number | Publication Date |
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EP3495595A1 true EP3495595A1 (en) | 2019-06-12 |
EP3495595B1 EP3495595B1 (en) | 2020-01-22 |
Family
ID=64453387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18207825.3A Active EP3495595B1 (en) | 2017-12-05 | 2018-11-22 | Backfill with intumescent material |
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EP (1) | EP3495595B1 (en) |
DE (1) | DE102017128873A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2591134A (en) * | 2020-01-17 | 2021-07-21 | Linear Building Innovations Ltd | Door seal |
CN113236075A (en) * | 2021-04-28 | 2021-08-10 | 四川中颐建筑设计院有限责任公司 | Door and window convenient to installation based on architectural design structure |
GB2606453A (en) * | 2020-01-17 | 2022-11-09 | Linear Building Innovations Ltd | Door seal |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018126563A1 (en) * | 2018-10-24 | 2020-04-30 | Novoferm Riexinger Türenwerke GmbH | Fire closure |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2850125A1 (en) * | 1977-11-22 | 1979-05-23 | Novopan Ag | DOOR |
FR2477625A2 (en) * | 1980-03-06 | 1981-09-11 | Crouzilles Jean Louis | Frame for fire stop door - has bands of expanding material creating thermal bridges dissipating heat |
DE4428470C1 (en) * | 1994-08-11 | 1995-08-24 | Theo Schroeders | Fire protection closure |
EP2141317A2 (en) * | 2008-07-04 | 2010-01-06 | Stöbich Brandschutz GmbH | Frame |
-
2017
- 2017-12-05 DE DE102017128873.2A patent/DE102017128873A1/en not_active Withdrawn
-
2018
- 2018-11-22 EP EP18207825.3A patent/EP3495595B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2850125A1 (en) * | 1977-11-22 | 1979-05-23 | Novopan Ag | DOOR |
FR2477625A2 (en) * | 1980-03-06 | 1981-09-11 | Crouzilles Jean Louis | Frame for fire stop door - has bands of expanding material creating thermal bridges dissipating heat |
DE4428470C1 (en) * | 1994-08-11 | 1995-08-24 | Theo Schroeders | Fire protection closure |
EP2141317A2 (en) * | 2008-07-04 | 2010-01-06 | Stöbich Brandschutz GmbH | Frame |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2591134A (en) * | 2020-01-17 | 2021-07-21 | Linear Building Innovations Ltd | Door seal |
GB2591134B (en) * | 2020-01-17 | 2022-05-11 | Linear Building Innovations Ltd | Door seal |
GB2606453A (en) * | 2020-01-17 | 2022-11-09 | Linear Building Innovations Ltd | Door seal |
CN113236075A (en) * | 2021-04-28 | 2021-08-10 | 四川中颐建筑设计院有限责任公司 | Door and window convenient to installation based on architectural design structure |
CN113236075B (en) * | 2021-04-28 | 2023-01-10 | 中颐工科工程技术有限公司 | Door and window convenient to installation based on architectural design structure |
Also Published As
Publication number | Publication date |
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DE102017128873A1 (en) | 2019-06-06 |
EP3495595B1 (en) | 2020-01-22 |
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