EP1749961B1 - Smoke seal device for sliding fire door - Google Patents
Smoke seal device for sliding fire door Download PDFInfo
- Publication number
- EP1749961B1 EP1749961B1 EP06117494.2A EP06117494A EP1749961B1 EP 1749961 B1 EP1749961 B1 EP 1749961B1 EP 06117494 A EP06117494 A EP 06117494A EP 1749961 B1 EP1749961 B1 EP 1749961B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- profile bar
- profile
- section
- seal device
- fixed
- 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.)
- Active
Links
- 239000000779 smoke Substances 0.000 title claims description 18
- 239000002184 metal Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000000470 constituent Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 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
- 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
-
- 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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/24—Sealing arrangements on wings or parts co-operating with the wings without separate sealing members, e.g. with labyrinth
Definitions
- the present invention relates to a sliding fire door comprising a hot smoke seal device.
- Sliding doors are known to be normally suspended on a horizontal slide guide, fixed to the building or the like in which the aperture to be closed by said door is provided. This latter can slide in both directions along said guide, between a closed position and a maximum open position. Door sliding is facilitated by being suspended on the guide via two or more wheels rotatably fixed to the door, to rotate along the guide and hence considerably reduce the force required to open and close the door.
- FIG. 1 shows only the upper part of a panel 10.1 of a sliding door.
- two or more pairs of opposing wheels 12.1 are fixed, enclosed together with the upper edge of the panel 10.1 within a slide guide 14.1 formed from a steel profile bar of box cross-section (so-called "omega").
- the guide 14.1 extends horizontally, is open lowerly and presents two downwardly facing free edges 16.1.
- respective thermo-expanding gaskets 20.1 are arranged which, in the case of fire, increase in volume to prevent the hot smoke from seeping into the guide 14.1 and hence passing beyond the door.
- Figure 2 the door panel 10.2 is suspended by ties 24 from trolleys provided with pairs of wheels 12.2 which can slide within a guide similar to that of Figure 1 but with its free edges facing upwards.
- the seal against the hot smoke is provided by a separate device, consisting very simply of a first profile bar of Z cross-section, indicated by 16.2, which is fixed (for example by expansion plugs) to the constructional element 22 of the building, and by a second profile bar of L cross-section, indicated by 18.2, one side of which is fixed to the upper edge of the panel 10.2.
- thermo-expanding gaskets (not shown in Figure 2 for simplicity) are applied which, as in the preceding case, increase in volume in case of fire, to prevent the hot smoke from passing beyond the door.
- the seal device shown in Figure 3 is very similar to that of Figure 2 (this latter could also be used in this case, if desired), with the only difference that instead of the Z-shaped profile bar, the U-shaped profile bar 16.3. is used. Again, the usual thermo-expanding gaskets (not shown for simplicity) are provided.
- Figure 4 shows an even simpler variant of the described hot smoke seal device, also usable with the guide 14.3. of Figure 3 .
- this device still comprises a first U-shaped profile bar 16.4, but disposed inverted and fixed directly to the guide 14.3, and a flat second profile bar 18.3 applied to a side of the panel 10.2 to project vertically upwards from the upper edge of the panel 10.2.
- Thermo-expanding gaskets are again provided, not shown for simplicity.
- An object of the present invention is to provide a hot smoke seal device for sliding fire doors which does not present the aforedescribed drawback.
- the first profile bar has a hook-shaped cross-section, the profile bar being fixed directly or indirectly to the structural element only in the vicinity of its upper edge; whereas the second profile bar has an L-shaped cross-section, one side of the L being intended to interfere with the hook-turned lower part of the first profile bar.
- thermo-expanding gaskets Those parts of the two profile bars intended to mutually interfere are, obviously, provided with conventional thermo-expanding gaskets.
- the slide guide is substantially of the type shown in Figures 3 and 4 (and is hence again indicated by 14.3), although in this specific case the relative steel profile bar presents an outwardly and downwardly turned edge 24, this edge forming the slide track for the wheels.
- the slide edge 24 has an arched profile matching the profile of the groove in the wheels 28 which form part of trolleys which, by means of ties 30, support the panel 10.2 of a fire door.
- the relative hot smoke seal device comprises a first steel profile bar 16.3 of hook-shaped or rather G cross-section.
- the first profile bar 16.3 is fixed directly to the slide guide 14.3 (and hence indirectly to the structural element 22) by bolts 32, so that in practice it is suspended below this latter, even though it adheres via its left side to the structural element 22.
- a downwardly facing side of a second steel profile bar 18.2 of L cross-section is inserted into the hook-shaped lower part of the first profile bar 16.3, the longer side of the L being fixed by screws 34 to the upper edge of the door panel 10.2.
- the sheet metal of the first profile bar 16.3 is fairly thin and the steel used is not high-strength (the usual conventional steel for this purpose being particularly used) and if the distance between the region of interference between the two profile bars 16.3 and 18.2 and the fixing region of the first profile bar 16.3 is sufficiently large, it happens that the first profile bar 16.3 firstly deforms and follows the movement of the second profile bar 18.2 without interference between the two profile bars being interrupted. In this respect, that vertical wall of the first profile bar 16.3 adjacent to the structural element 22 deforms, this deformation preventing the two profile bars from separating.
- the first profile bar can be fixed directly to the structural element 22 (for example by expansion plugs), but at the highest point of its cross-section.
- the cross-section through the first profile bar can conveniently be of U shape but with the arms of the U decidedly unequal, the longer arm of the U being that adjacent to the structural element 22 and having a length sufficient to be able to deform to an extent enabling the first profile bar to follow the movement of the second profile bar 18.2 without separating therefrom when the door panel moves as the result of a fire.
- the device according to another embodiment not falling within the scope of the invention as defined in the claims, can be formed in a different manner from the aforedescribed.
- it can be of the type show in Figure 4 , in which the second profile bar 18.3, being a flat profile bar, must have a cross-section of such thickness and height as to enable it to deform without separating from the inverted U-shaped first profile bar 16.4 as the result of a fire.
- thermo-expanding gaskets are again provided in this case.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Description
- The present invention relates to a sliding fire door comprising a hot smoke seal device.
- Sliding doors are known to be normally suspended on a horizontal slide guide, fixed to the building or the like in which the aperture to be closed by said door is provided. This latter can slide in both directions along said guide, between a closed position and a maximum open position. Door sliding is facilitated by being suspended on the guide via two or more wheels rotatably fixed to the door, to rotate along the guide and hence considerably reduce the force required to open and close the door.
- For sliding fire doors, the relative regulations initially prescribed tests which did not include a hot smoke seal test. Fire regulations were then modified with the addition of a requirement for a hot smoke seal. To provide this seal, various solutions were adopted over the course of time, these being adapted to the continuing development of the slide guide. These solutions, shown in the accompanying Figures from 1 to 4, are summarized below.
- The first solution historically adopted is illustrated schematically in
Figure 1 , which shows only the upper part of a panel 10.1 of a sliding door. As can be seen, in the vicinity of the upper edge of the panel 10.1 two or more pairs of opposing wheels 12.1 are fixed, enclosed together with the upper edge of the panel 10.1 within a slide guide 14.1 formed from a steel profile bar of box cross-section (so-called "omega"). The guide 14.1 extends horizontally, is open lowerly and presents two downwardly facing free edges 16.1. On the face of this latter, respective thermo-expanding gaskets 20.1 are arranged which, in the case of fire, increase in volume to prevent the hot smoke from seeping into the guide 14.1 and hence passing beyond the door. - From the hot smoke sealing aspect, this solution has proved effective and satisfies regulations, even though such a guide is quite costly. In this situation it is however difficult to adjust the wheels 12.1.
- Consequently the solution of
Figure 2 was then conceived, in which the door panel 10.2 is suspended byties 24 from trolleys provided with pairs of wheels 12.2 which can slide within a guide similar to that ofFigure 1 but with its free edges facing upwards. In this cased the seal against the hot smoke is provided by a separate device, consisting very simply of a first profile bar of Z cross-section, indicated by 16.2, which is fixed (for example by expansion plugs) to theconstructional element 22 of the building, and by a second profile bar of L cross-section, indicated by 18.2, one side of which is fixed to the upper edge of the panel 10.2. On those parts which face the profile bars 16.2 and 18.2, thermo-expanding gaskets (not shown inFigure 2 for simplicity) are applied which, as in the preceding case, increase in volume in case of fire, to prevent the hot smoke from passing beyond the door. - Although this solution enables the wheels 12.2 to be more easily adjusted, there is the drawback that the guide 14.2 itself is still fairly costly.
To reduce costs, slide guides of much simpler cross-section were subsequently proposed and widely used, of the type shown schematically inFigure 3 , consisting essentially of a steel profile bar 14.3 of U cross-section but with the sides of the U of different length, the longer side enabling it to be fixed (for example by expansion plugs shown schematically and indicated by 26) to theconstructional element 22 of the building. Theupper edge 24 of the other side of the U-shaped profile bar 14.3 acts as a track for grooved wheels 12.3 from which the panel 10.2 is suspended byties 30. In a variant of this type of guide, that edge thereof acting as the track is bent over to provide a cross-section of curved profile matching the profile of the groove in the wheels 12.3. - As can be seen, the seal device shown in
Figure 3 is very similar to that ofFigure 2 (this latter could also be used in this case, if desired), with the only difference that instead of the Z-shaped profile bar, the U-shaped profile bar 16.3. is used. Again, the usual thermo-expanding gaskets (not shown for simplicity) are provided. -
Figure 4 shows an even simpler variant of the described hot smoke seal device, also usable with the guide 14.3. ofFigure 3 . As can be seen, this device still comprises a first U-shaped profile bar 16.4, but disposed inverted and fixed directly to the guide 14.3, and a flat second profile bar 18.3 applied to a side of the panel 10.2 to project vertically upwards from the upper edge of the panel 10.2. Thermo-expanding gaskets are again provided, not shown for simplicity. - Experience gained with time has shown that if a fire effectively occurs, the smoke seal devices of
Figures 2-4 present a serious common drawback. In this respect, it has been found that in the case of fire (assuming that the fire occurs on the right side of the panel 10.2), because of the expansion of the materials forming the door, the upper edge of the panel 10.2, or at least a part thereof, tends to gradually move towards the right. Consequently, the constituent profile bars of the smoke seal device (16.2 and 18.2, 16.3 and 18.2, 16.4 and 18.3 respectively, going fromFigure 2 to Figure 4 ) withdraw from each other in a substantially horizontal direction, to firstly make mutual contact and then, as the phenomenon continues, to deform to the extent of becoming unhooked, to leave a space open through which the hot smoke can pass. It has been found that this problem cannot be prevented by providing stronger profile bars, as it is not possible to use profile bars of greater thickness than a determined limit, neither is it convenient to use high strength steels. -
DE 35 02 032 discloses a sliding fire door according to the preamble of claim 1. - An object of the present invention is to provide a hot smoke seal device for sliding fire doors which does not present the aforedescribed drawback.
- This object is attained a sliding fire door as defined in the claims.
- If the conventional steel normally used in these cases is used for the profile bars of the aforedescribed seal device, by choosing a sufficiently slim cross-section for one or both of the profile bars, this is able to support a sufficiently large deformation such that the two profile bars do not become unhooked from each other.
- According to the invention, the first profile bar has a hook-shaped cross-section, the profile bar being fixed directly or indirectly to the structural element only in the vicinity of its upper edge; whereas the second profile bar has an L-shaped cross-section, one side of the L being intended to interfere with the hook-turned lower part of the first profile bar.
- Those parts of the two profile bars intended to mutually interfere are, obviously, provided with conventional thermo-expanding gaskets.
- The invention will be more apparent from the ensuing description of one embodiment thereof given by way of example. In this description reference is made to the accompanying
Figure 5 , which shows a cross-section through a slide guide provided with a hot smoke seal device of the invention. - As can be seen from
Figure 5 (in which parts equal or similar to those of the preceding figures are indicated by the same reference numeral), the slide guide is substantially of the type shown inFigures 3 and 4 (and is hence again indicated by 14.3), although in this specific case the relative steel profile bar presents an outwardly and downwardly turnededge 24, this edge forming the slide track for the wheels. As can be seen, theslide edge 24 has an arched profile matching the profile of the groove in thewheels 28 which form part of trolleys which, by means ofties 30, support the panel 10.2 of a fire door. - The relative hot smoke seal device comprises a first steel profile bar 16.3 of hook-shaped or rather G cross-section. In this specific case the first profile bar 16.3 is fixed directly to the slide guide 14.3 (and hence indirectly to the structural element 22) by
bolts 32, so that in practice it is suspended below this latter, even though it adheres via its left side to thestructural element 22. - A downwardly facing side of a second steel profile bar 18.2 of L cross-section is inserted into the hook-shaped lower part of the first profile bar 16.3, the longer side of the L being fixed by
screws 34 to the upper edge of the door panel 10.2. - As stated, in the case of fire the upper edge of the door panel 10.2 gradually moves towards the right (with reference to
Figure 5 ), to drag the second profile bar 18.2, the vertical side of which hence interferes (via the interposed thermo-expanding gaskets 36) with the free end part of the first profile bar 16.3. With the increasing rightward movement of the panel 10.2 with time, if the sheet metal of the first profile bar 16.3 is fairly thin and the steel used is not high-strength (the usual conventional steel for this purpose being particularly used) and if the distance between the region of interference between the two profile bars 16.3 and 18.2 and the fixing region of the first profile bar 16.3 is sufficiently large, it happens that the first profile bar 16.3 firstly deforms and follows the movement of the second profile bar 18.2 without interference between the two profile bars being interrupted. In this respect, that vertical wall of the first profile bar 16.3 adjacent to thestructural element 22 deforms, this deformation preventing the two profile bars from separating. - Alternatively, in an embodiment not falling within the scope of the invention defined by the claims, the first profile bar can be fixed directly to the structural element 22 (for example by expansion plugs), but at the highest point of its cross-section. In this case the cross-section through the first profile bar can conveniently be of U shape but with the arms of the U decidedly unequal, the longer arm of the U being that adjacent to the
structural element 22 and having a length sufficient to be able to deform to an extent enabling the first profile bar to follow the movement of the second profile bar 18.2 without separating therefrom when the door panel moves as the result of a fire. - The device according to another embodiment not falling within the scope of the invention as defined in the claims, can be formed in a different manner from the aforedescribed. In particular it can be of the type show in
Figure 4 , in which the second profile bar 18.3, being a flat profile bar, must have a cross-section of such thickness and height as to enable it to deform without separating from the inverted U-shaped first profile bar 16.4 as the result of a fire. - Relative thermo-expanding gaskets are again provided in this case.
Claims (3)
- A sliding fire door comprising a hot smoke seal device, a door panel and a slide guide, to be provided in a building (22), wherein said hot seal device comprises at least two metal profile bars (16.3, 18.2), of which a first profile bar (16.3) can be directly or indirectly fixed to the building (22) in which the door is provided, while the second profile bar (18.2) is fixed to the upper edge of the door panel (10.2), the two profile bars (16.3, 18.2) having parts intended to mutually interfere in the case of fire, thermo-expanding gaskets (36) being provided in correspondence with these parts, the cross-section through at least one (16.3) of the two profile bars (16.3, 18.2) deformable in order to maintain mutual interference notwithstanding the horizontal withdrawal of the upper edge of the door panel (10.2) in the case of fire. wherein the first profile bar (16.3) has a hook-shaped cross-section, whereas the second profile bar (18.2) has an L-shaped cross-section, one side of the L facing downwards and being intended to interfere with the hook-turned lower part of the first profile bar (16.3), the cross-section through the first profile bar (16.3) being G-shaped, characterised in that the first profile bar (16.3) is fixed, in the vicinity of its upper edge, to the slide guide (14.3) such as to be suspended below this latter (14.3).
- A hot smoke seal device as claimed in claim 2 1, wherein the first profile bar (16.3) in fixed, in the vicinity of its upper edge, to the building (22).
- A hot smoke seal device as claimed in claim 1, wherein the first profile bar (16.4) has an inverted U cross-section and is fixed below the slide guide (14.3), the second profile bar (18.3) being a flat profile bar, fixed to the upper edge of the door panel (10.2) in such a manner as to project vertically upwards therefrom such that its upper part enters the first profile bar (16.4).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20051512 ITMI20051512A1 (en) | 2005-08-02 | 2005-08-02 | FUME HOLDING DEVICE FOR FIRE SLIDING DOOR |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1749961A2 EP1749961A2 (en) | 2007-02-07 |
EP1749961A3 EP1749961A3 (en) | 2007-08-15 |
EP1749961B1 true EP1749961B1 (en) | 2016-09-14 |
Family
ID=36882277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06117494.2A Active EP1749961B1 (en) | 2005-08-02 | 2006-07-19 | Smoke seal device for sliding fire door |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1749961B1 (en) |
ES (1) | ES2606339T3 (en) |
IT (1) | ITMI20051512A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI126413B (en) * | 2014-09-01 | 2016-11-15 | Parmarine Oy | Fire door for ships |
JP6362518B2 (en) * | 2014-11-12 | 2018-07-25 | Ykk Ap株式会社 | Joinery |
JP6682418B2 (en) * | 2016-10-21 | 2020-04-15 | 三協立山株式会社 | Fire sash |
JP6392401B2 (en) * | 2017-03-30 | 2018-09-19 | 文化シヤッター株式会社 | Sliding door device |
JP6868080B2 (en) * | 2019-11-22 | 2021-05-12 | 三和シヤッター工業株式会社 | Sliding door device |
CN113647787B (en) * | 2021-08-31 | 2022-11-01 | 山东克里斯汀网络科技股份有限公司 | Electric curtain fire-fighting monitoring device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7610090U1 (en) * | 1976-04-01 | 1976-08-26 | Schroeders, Theo, 5140 Erkelenz | Slidable door element for fire protection |
AT382677B (en) * | 1984-01-27 | 1987-03-25 | Lindpointner Tore | SLIDING GATE, IN PARTICULAR FIRE PROTECTION SLIDING GATE |
DE10055214C1 (en) * | 2000-11-07 | 2002-02-14 | Theo Schroeders | Smoke-protection sliding door has sealing profile sections, where at least one fits against contact face on wall or door panel having higher Shore hardness than sealing profile |
-
2005
- 2005-08-02 IT ITMI20051512 patent/ITMI20051512A1/en unknown
-
2006
- 2006-07-19 EP EP06117494.2A patent/EP1749961B1/en active Active
- 2006-07-19 ES ES06117494.2T patent/ES2606339T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
ES2606339T3 (en) | 2017-03-23 |
EP1749961A2 (en) | 2007-02-07 |
ITMI20051512A1 (en) | 2007-02-03 |
EP1749961A3 (en) | 2007-08-15 |
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