EP0131901A2 - Porte coupe-feu ou fermeture pare-feu similaire pour ouvertures de bâtiments - Google Patents

Porte coupe-feu ou fermeture pare-feu similaire pour ouvertures de bâtiments Download PDF

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Publication number
EP0131901A2
EP0131901A2 EP84108128A EP84108128A EP0131901A2 EP 0131901 A2 EP0131901 A2 EP 0131901A2 EP 84108128 A EP84108128 A EP 84108128A EP 84108128 A EP84108128 A EP 84108128A EP 0131901 A2 EP0131901 A2 EP 0131901A2
Authority
EP
European Patent Office
Prior art keywords
sheet metal
metal strip
fire
frame
strip
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
EP84108128A
Other languages
German (de)
English (en)
Other versions
EP0131901B1 (fr
EP0131901A3 (en
Inventor
Thomas J. Dipl.-Ing. Hörmann
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.)
Hoermann KG Freisen
Original Assignee
Hoermann KG Freisen
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hoermann KG Freisen filed Critical Hoermann KG Freisen
Priority to AT84108128T priority Critical patent/ATE48881T1/de
Publication of EP0131901A2 publication Critical patent/EP0131901A2/fr
Publication of EP0131901A3 publication Critical patent/EP0131901A3/de
Application granted granted Critical
Publication of EP0131901B1 publication Critical patent/EP0131901B1/fr
Expired legal-status Critical Current

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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
    • 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 fire protection door or the like fire-retardant closure of building openings with the features of the preamble of claim 1.
  • a sheet metal strip fixed to one of its two longitudinal edge areas on the frame or the door leaf is angled towards the frame in its other longitudinal edge area, so that a contact surface is formed in the form of an edge, that comes into contact with the front of the door leaf or frame when, in the event of fire, a fire protection strip - made of sodium silicate, for example - which is arranged between the metal strip and the frame or door leaf, foams up and thereby the metal strip around its fastening edge pivoted until the aforementioned system takes place.
  • This measure has proven itself in principle for sealing the gap between the door leaf and frame of a fire protection door against smoke and fire penetration.
  • Seals are generally known for preventing drafts, for sound and temperature insulation and possibly also for shock insulation when closing doors, but these are made of rubber or similar elastic materials which, however, do not meet the heat resistance requirements for fire protection doors. This also applies to the seal known from DE-Gbms 79 16 590, which is especially designed for fire protection doors, because their frames consist of relatively thick sheet metal, which is difficult to deform to form a receiving groove for a sealing profile, which is why this known seal through a separate thin-walled and thus easily deformable sheet metal strip to be fixed on the frame is held.
  • the invention has for its object to provide a fire door or the like of the type in question with a quickly heatable, heat-resistant seal for the event of fire, which also has a seal for normal operation, is particularly simple and adaptable - and in particular designed as possible Gap can be closed completely if a fire occurs.
  • non-heat-resistant, preferably elastic seal for normal operation with in the sheet metal strip which is designed in the event of fire as a seal that only becomes effective through the corresponding heat development, has the advantage of being able to prefabricate a sealing strip for both seals in the context of a thin-walled, lightweight deformable sheet metal strip, which is fixed to the thick-walled frame or the door leaf or the like for fire protection doors in the preassembled state or with subsequent use of the sealing strip, with different dimensions of the fire protection door, in particular with regard to the dimensions in height and width, by simply correspondingly cutting the sheet metal strip to length and used seal can be taken into account.
  • Different frame or door leaf shapes can also be fitted with the same sealing strip if necessary.
  • both seals in the form of one and the same sealing strip also has the decisive advantage that the reaction speed of the seal is retained in the event of a fire.
  • the seal for fire protection is practically equally accessible from both sides of the door for heat flow and heat radiation, so that, depending on the respective circumstances, which depend on the size of the gap cover by folds, the door leaf material, etc., A correspondingly rapid heating of this seal can be expected in the event of a fire.
  • you place one for normal operation in parallel with this seal for the case of fire then the heat access to the seal for the case of fire is impeded when the door is fired from the side to which the seal is arranged for the normal case.
  • the sealing strip forms a thermal bridge which is connected in parallel to that of the frame or the door leaf. Since the sealing strip does not penetrate the gap from one door side to the other, there is no heat transfer from the fired side to the opposite side of the door, rather the heat is transferred specifically to the seal in the event of a fire.
  • the edge area of the sealing strip which, seen from the central area of the door leaf, overlaps the seal for the normal case, is therefore directly exposed to the heat occurring in the event of a fire and can transfer this past the seal for the normal case to the seal for the fire.
  • the thermal conductivity of the sealing strip can be far above that of the door leaf in the front edge area or the frame, for example by choosing an appropriate material, in particular aluminum, heat dissipation to the component carrying the sealing strip can be reduced, for example by only a series of point-like connections, in particular by Spot welding
  • the seal for normal cases prevents the passage of drafts through the fire door or the like.
  • this seal prevents smoke from entering and fresh air being supplied to the source of the fire due to this very property. With appropriate heating, this seal is then destroyed in the normal case.
  • suitable material selection for this seal But it can be achieved that the destruction only takes place when the seal has taken over the sealing function in the event of a fire. In this way, a complete sealing of the door against smoke passage and drafts is achieved over every phase of the intended use of the fire door or the like.
  • the fire protection door or the like according to the invention thus offers a number of advantages which, taken together in view of the high safety factor to be sought, are of particular importance and, given the simplicity of the measures taken, enable a surprisingly happy solution to the sealing problem.
  • the sealing strip for normal operation can be held on the sealing strip in many ways, for example by means of a T-shaped projection on the strip, on which the sealing strip can be securely held by means of a correspondingly shaped recess.
  • the shape of the sealing strip for holding the sealing strip is designed as a groove, into which the sealing strip can be inserted with a foot profile, preferably such that the elastic properties of the sealing strip ensure a positive engagement in the groove when viewed from the shape.
  • the shape for receiving the sealing strip for normal operation is in the area between the end faces opposite one another in the closed state of End leaf and frame placed because a certain space is required for the fire seal anyway.
  • the seal for normal operation can have a lip which extends into the stop area between the end leaf and frame and which is subjected to pressure when closing in the direction of the closing movement.
  • the sheet metal strip forming the sealing strip viewed as a whole, can form approximately a right angle, one leg of which projects into the gap area between the facing end faces of the end leaf and frame, while the other leg into the Stop area engages between the corresponding frame section and the edge of the end leaf, the shape for receiving the sealing strip for normal operation running approximately in the transition region between the legs and the lip of the sealing strip being supported on the other leg.
  • the lateral longitudinal edge region of the sealing strip which effects the seal in the event of a fire, can be bent in a manner known from the prior art toward the component on which it is fixed. This bend can serve to surround a fire protection strip which is embedded between this longitudinal edge region and the component to which the sheet metal strip is attached.
  • these fire stripes which foam up due to the effects of heat in the event of fire, are sensitive with regard to their mechanical and chemical stability; they must be held appropriately and protected against atmospheric influences in plastic envelopes.
  • the fire protection strip is therefore dispensed with and the sheet metal strip forming the sealing strip itself is at least partially designed as a bimetal.
  • Such a bimetal consists of two - or else several layers of materials of different thermal expansion, which are connected to one another with their broad sides facing one another, preferably over the entire area, by rolling, pressure welding or the like in the area of their abutting surfaces. Due to the different size expansion at one and the same temperature, a corresponding de curvature of the metal strip results when heated.
  • the endeavor of the different longitudinal expansion of the two metal layers ultimately has an effect with regard to the longitudinal direction of the sheet metal strip or the sealing strip in that a displacement of the material of the more expansive metal layer takes place in the direction of the width of the strip, which increases the curvature of the strip in the direction of its width.
  • the design as a bimetal can be limited to the area of the sealing strip, which - ensuring a corresponding leverage effect of the bimetal - forms the seal in the event of a fire. This would leave the longitudinal edge area of the sheet metal strip facing away free for fixing to the frame or the end leaf.
  • the entire sheet metal strip is preferably formed as a bimetal, the attachment can then be carried out by riveting or spot welding, one of the two Bimetallic layers of the metal strip are burned away.
  • a bimetal consisting of a steel sheet and an aluminum sheet is given here. The steel layer can be connected by spot welding through the aluminum layer melting away at the welding points to the steel frame or corresponding steel parts of the end leaf.
  • the fastening of the sheet metal strip to the frame or the door leaf or the like end leaf is preferably carried out in the edge area which, viewed over the sealing strip for normal operation, lies opposite the sealing area for the case of fire. But it can also be provided in an intermediate area, for example in the area of the formation of the sheet metal strip for receiving the sealing strip for normal operation, in particular in the bottom area of a groove-shaped formation, so that the longitudinal edge area facing away from the seal in the event of fire when the sheet metal strip is formed as Bimetal moves into the stop area between the frame and the end leaf if the appropriate heat is applied. This ensures that the seal for normal operation is compressed by this longitudinal edge region of the sheet metal strip in the event of a fire, so that the sealing effect is maintained longer, even if the sealing strip begins to shrink under the action of heat.
  • the sheet metal strip in at least partial configuration as a bimetal, moves in the area of the seal in the event of a fire, without entrainment of further components, under the action of heat through the gap area and forms the seal itself.
  • This not only requires simple manufacture, it leads also to the fact that the closing time of the seal is reduced accordingly in the event of a fire or that the seal is already achieved at correspondingly lower temperatures.
  • curved bends can be provided which favor the movement stroke of the bimetal.
  • the design of the seal in the event of a fire as a sheet metal strip has the basic advantage that heat can be dissipated into the frame via the sheet metal sheet which has been heated up over a large area in the event of a fire.
  • this sheet metal strip as a bimetal, the heat dissipation is improved because of the higher thermal conductivity and the sheet metal strip is additionally heated, which benefits its sealing position.
  • FIG. 1 schematically shows an end leaf 1, for example a fire door, and only in an end region and an associated part of a Z-shaped frame 2.
  • a sealing strip generally designated 3
  • a sealing strip which comprises a sheet metal strip 4, the profile of which has essentially two legs 5 and 6 which are approximately at right angles to one another.
  • a formation 7 is provided approximately in the transition region between the legs 5 and 6, specifically in the form of a roughly seen C-shaped groove 8 running in the longitudinal direction of the sheet metal strip 4, into which a sealing strip, designated overall by 9, with a foot profile 10 is inserted.
  • the foot profile 10 practically fills the groove 8, so that the sealing strip 9 is held securely on the metal strip 4.
  • a lip 11 is formed which rests with its back against the leg 6 of the sheet metal strip 4.
  • One leg 5 of the metal strip 4 serves as a seal in the event of a fire.
  • the sheet metal strip consists of a bimetal, as will be explained in more detail in connection with FIG. 2, which bends under the action of heat in such a way that the legs 5 and 6 of the sheet metal strip endeavor to reduce the angle enclosed between them. This leads to the fact that the leg 5 with a contact surface 12 moves through the gap 13 between the end face 14 of the leaf 1 and the end face 15 of the frame 2 until the contact surface 12 engages the end face 14. In this way, the gap 13 is closed when a corresponding heat from fire occurs.
  • the other leg 6 engages in the stop region 16, which is between a frame section 17 and the edge 18 opposite it in the closed state of the end leaf 1 is present and the lip 11 of the sealing strip 9 seals in the closed state of the leaf 1, so that the passage of drafts is prevented and a certain thermal and acoustic insulation and a damping of the striking of the leaf 1 is achieved when closing.
  • the sealing strip 9 is accordingly a seal for normal operation, while the leg 5 closes the gap 13 only from a certain fire temperature which is far above the normal temperature.
  • the front view according to FIG. 2 shows the transition area between the two legs 5 and 6 of the metal strip 4, in which the formation 7 is arranged in the form of the groove 8.
  • the opening 19 of the groove 8 is formed by two pinch folds 20 which are arranged lengthwise in the sheet metal strip 4. In this way, a groove cavity is formed with respect to both side walls, seen from the opening 19 behind cuts, in which the base profile 10 of the sealing strip 9 can easily be held securely.
  • the shape shows that the thin-walled sheet metal strip 4 can be easily deformed in this way.
  • the dashed line in the central region of the side view of the sheet metal strip 4 according to FIG. 2 is intended to indicate that this sheet metal strip is one which consists of two interconnected metal layers.
  • One of these two metal layers has a larger coefficient of thermal expansion than the other; sheet metal strips formed from these two firmly bonded layers are warped under appropriate heat.
  • a curvature or length-different expansion in the longitudinal direction of the sheet metal strip is practically avoided because this is fixed to the frame or the end leaf.
  • the more expansive layer undergoes compression or deviates laterally, so that the warpage that occurs as a result of the lengthwise differential expansion in the width direction of the metal strip 4 increases.
  • the layer facing the inside of the leg is made of steel, while the outer layer is made of aluminum.
  • Aluminum has a coefficient of expansion that is about twice that of steel.
  • the thermal conductivity of aluminum is about three times that of steel. While the former property causes the thermally dependent sealing movement of the sheet metal strip, the much higher thermal conductivity in aluminum is of particular importance for the fact that the leg 5 heats up quickly and even if the fire occurs from the side on which the sealing strip 9 is located Can take over the sealing function. This is achieved in that the bimetal strip in the form of its other leg 6 protrudes beyond the sealing strip 9 into the stop area 16 and can therefore be subjected to the heat occurring there.
  • the good thermal conductivity of the aluminum ensures rapid heat transfer parallel to the frame, moreover the leg 6 is also missed and thus acts on the lip 11 of the sealing strip 9 in the direction of its abutment on the edge 18 of the sealing sheet, so that the sealing strips also heat up in this initial phase 9 remains functional, even if its material tends to sock, become brittle or become exposed to heat same.
  • the material selection ;, it can be tuned in such a way that the sealing strip 9 is destroyed only when the legs 5 bears with its contact surface 12 on the end face 14 of the sheet. 1 It is assumed that the metal strip 4 is fixed to the frame 2.
  • the sheet metal strip 4 is particularly shaped in the region of its leg 5 projecting into the gap 13 between the end faces 14 and 15.
  • the lateral longitudinal edge region 21 of the sheet metal strip 4, which has the contact surface 12, is bent at 22 by 180 ° and thus runs again towards the transition region between the legs 5 and 6, ie towards the groove 8, so that the longitudinal end edge 23 is somewhat shorter from the groove 8 is spaced apart as the contact surface 12.
  • the leg 5 of the sheet metal strip thus consists of the bottom of the groove 8, the right side wall 26, a longitudinal web area 25 between the side wall 26 and the contact area 12 or the bend 22 and a web area 24 between the bend 22 and the longitudinal end edge 23.
  • the side wall 26 of the groove 8 and the bend 22 are approximately semicircular in shape, the web areas 24 and 25, on the other hand, flat, the web area 24 abutting the end face 15 of the frame 2 to also from there in Fire still take over heat.
  • the bimetal deforms such that the curvature of the side wall 26 of the groove 8 increases, so that the longitudinal web area 25 of the leg 5 is pivoted toward the end face 14 of the sheet 1.
  • the longitudinal web area warps itself in such a way that the contact area 12 is brought closer to the end face 14.
  • the bend 22 tends to increase its radius, so that the longitudinal web region 25 or the contact surface 12 are displaced again towards the end face 14.
  • the web area 24 also bulges such that it bulges into the gap 13 with support on the longitudinal end edge 23, which results in a further displacement of the contact surface 12 in the direction of the end face 14 of the sheet 1. In this way, a number of bulges of the bimetal add up, so that in the event of a fire this seal also works quickly and safely out of this bunch.
  • the face 14 of the sheet metal strip 4 facing the end face can be provided with an aluminum plating, so that, on the one hand, there is protection against corrosion, and on the other hand there is good thermal contact when the seal closes in the event of a fire, so that heat from the strongly heated end sheet in the sheet metal strip 4 passes and can be derived into the frame.
  • the sealing strip shown here each has a fire seal in the form of the leg 5 with the contact surface 12 and a normal operation seal in the form of the sealing strip 9.
  • seals can also protrude into the joint or gap from both sides of the wall or that other combinations of different numbers of seals for normal operation and seals for fire can be selected.
  • Bimetal stands here generally as an expression for a sheet metal structure that warps under the influence of heat. It is also possible to provide more than two layers of heat-expanding materials.
  • leg 5 will be allowed to end in the area of the bend 22.
  • the fire protection plate is then to be arranged between the longitudinal web area 25 of the lateral longitudinal edge area 21 of the metal strip 4 and the end face 15 of the frame 2.
  • the choice of suitable materials enables the seal to behave in a manner that corresponds to or can come close to that of the example described above.
  • the metal strip 4 with the seals for normal operation and in the event of a fire that is to say the sealing strip, is fixed to the frame. It is readily apparent that such a sealing strip can also be attached to the end leaf 1 in a corresponding adaptation. Furthermore, there is no need for a more detailed explanation that seals of this type are also conceivable, which - in this respect in two parts - are to be fastened both to the frame and to the end leaf. If necessary, the moving parts of this seal then work against each other.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)
  • Building Environments (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
EP84108128A 1983-07-15 1984-07-11 Porte coupe-feu ou fermeture pare-feu similaire pour ouvertures de bâtiments Expired EP0131901B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84108128T ATE48881T1 (de) 1983-07-15 1984-07-11 Feuerschutztuer oder dergleichen feuerhemmender abschluss von gebaeudeoeffnungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3325630 1983-07-15
DE3325630A DE3325630C2 (de) 1983-07-15 1983-07-15 Feuerschutztür oder dergleichen feuerhemmender Abschluß von Gebäudeöffnungen

Publications (3)

Publication Number Publication Date
EP0131901A2 true EP0131901A2 (fr) 1985-01-23
EP0131901A3 EP0131901A3 (en) 1986-07-02
EP0131901B1 EP0131901B1 (fr) 1989-12-20

Family

ID=6204105

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84108128A Expired EP0131901B1 (fr) 1983-07-15 1984-07-11 Porte coupe-feu ou fermeture pare-feu similaire pour ouvertures de bâtiments

Country Status (3)

Country Link
EP (1) EP0131901B1 (fr)
AT (1) ATE48881T1 (fr)
DE (2) DE3325630C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU617664B2 (en) * 1987-03-30 1991-12-05 Firmadoor Australia Pty. Ltd. Combined smoke and fire seal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8714081U1 (de) * 1987-10-21 1989-02-16 Hörmann KG Freisen, 6699 Freisen Feuerschutztür mit Dichtungsleiste

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862263A (en) * 1956-06-22 1958-12-02 Grieve George Price Door seal
FR2243319A1 (en) * 1973-09-12 1975-04-04 Marantier Bernard Window or door firestop seal - has additional expanding component becoming effective at high temperatures
US3964214A (en) * 1975-06-25 1976-06-22 United States Gypsum Company Smoke stop
DE2607248A1 (de) * 1975-02-26 1976-09-09 Horst Peter Dipl Ing Seiffarth Anordnung bei einer feuerhemmenden tuere o.dgl. durchgangsoeffnung
FR2409369A1 (fr) * 1977-11-22 1979-06-15 Novopan Ag Porte a chassis metallique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT336253B (de) * 1975-02-26 1977-04-25 Seiffarth Horst Peter Dipl Ing Falz bei einer feuerhemmenden ture
DE8230295U1 (de) * 1982-10-28 1983-06-23 Echt & Co, Nachf. Schulte Kg, 5750 Menden Vorrichtung zum abdichten des spaltes zwischen tuerblatt und tuerzarge einer geschlossenen feuerschutztuer oder dergleichen im brandfalle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862263A (en) * 1956-06-22 1958-12-02 Grieve George Price Door seal
FR2243319A1 (en) * 1973-09-12 1975-04-04 Marantier Bernard Window or door firestop seal - has additional expanding component becoming effective at high temperatures
DE2607248A1 (de) * 1975-02-26 1976-09-09 Horst Peter Dipl Ing Seiffarth Anordnung bei einer feuerhemmenden tuere o.dgl. durchgangsoeffnung
US3964214A (en) * 1975-06-25 1976-06-22 United States Gypsum Company Smoke stop
FR2409369A1 (fr) * 1977-11-22 1979-06-15 Novopan Ag Porte a chassis metallique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU617664B2 (en) * 1987-03-30 1991-12-05 Firmadoor Australia Pty. Ltd. Combined smoke and fire seal

Also Published As

Publication number Publication date
EP0131901B1 (fr) 1989-12-20
DE3325630A1 (de) 1985-01-24
EP0131901A3 (en) 1986-07-02
ATE48881T1 (de) 1990-01-15
DE3325630C2 (de) 1986-08-14
DE3480798D1 (de) 1990-01-25

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