EP3241973B1 - Fire door - Google Patents

Fire door Download PDF

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Publication number
EP3241973B1
EP3241973B1 EP17167597.8A EP17167597A EP3241973B1 EP 3241973 B1 EP3241973 B1 EP 3241973B1 EP 17167597 A EP17167597 A EP 17167597A EP 3241973 B1 EP3241973 B1 EP 3241973B1
Authority
EP
European Patent Office
Prior art keywords
slide
door
profile bar
metal profile
block element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17167597.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3241973A1 (en
Inventor
Giovanni Maffei
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.)
Meverin Srl
Original Assignee
Meverin Srl
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 Meverin Srl filed Critical Meverin Srl
Priority to PL17167597T priority Critical patent/PL3241973T3/pl
Publication of EP3241973A1 publication Critical patent/EP3241973A1/en
Application granted granted Critical
Publication of EP3241973B1 publication Critical patent/EP3241973B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • 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
    • 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
    • E06B5/168—Shape of edges of wing and/or its frame 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42—Sliding wings; Details of frames with respect to guiding
    • E06B3/46—Horizontally-sliding wings
    • E06B3/4636—Horizontally-sliding wings for doors

Definitions

  • the present invention refers to a fire door according to the precharacterizing part of the main claim.
  • the invention refers to a fire door of the sliding type that is preferably operated automatically whenever a fire breaks out.
  • patent EP 1 749 961 which is owned by the applicant, discloses a sliding fire door equipped with a smoke seal device comprising a first metal profile bar connected, either directly or indirectly, to a wall, and a second metal profile bar fixed to the upper edge of the door itself.
  • the first and second metal profile bars are suitable for mutually interfering during a fire and are provided with thermo-expanding gaskets which expand whenever they are exposed to heat, in this case to the heat of fire, or to the hot smokes emanating therefrom.
  • Document CH 708369 A2 discloses a sliding fire door according to the preamble of claim 1, equipped with a smoke seal device comprising a metal profile bar fixed to an upper portion of the door and suitable for interacting with the sliding guide to block smokes.
  • the smoke seal device also comprises a smoke block element, which includes a thermo-expanding gasket, suitable for co-operating with the above-mentioned metal profile bar.
  • the smoke block element is fixed onto the sliding guide.
  • the metal profile bars as mentioned here above comprise such cross sections as to create an obstructed path to prevent or limit the passage of smokes, it has been ascertained that they are not effective in blocking cold smokes.
  • Such cold smokes pass through the metal profile bars without causing the thermo-expanding gaskets to expand, and pass beyond the door, often through the gaps between the tie-rods which connect the doors to their respective sliding means, for instance wheels.
  • the zone above the known doors (where the tie-rods used for wheel connection are arranged) is open and inefficient in blocking smokes in the case that the smoke seal device is not operating.
  • Utility model DE 3019727 discloses a fire door provided with a smoke seal device comprising a metal profile bar which covers both the upper part of the door and its respective sliding part.
  • the smoke seal device also comprises a smoke block element, which, however, is fixed to the sliding guide. Also, this smoke block element is arranged on the other side of the door with respect to the metal profile bar.
  • Utility model DE 3212640 discloses a fire door provided with a smoke seal device comprising a metal profile bar which covers the sliding part of the door, and a second metal profile bar fixed to an upper portion of the door, below the sliding part. This block element interacts with a further metal profile bar fixed to a wall.
  • the smoke seal devices do not include both a metal profile bar that covers the sliding part of the door, and a smoke block element suitable for efficiently interacting with the sliding guide in order to block smokes.
  • An object of the present invention is therefore to provide a fire door that is equipped with a smoke seal device capable of blocking cold smokes.
  • Another object of the present invention is to provide a fire door that is also capable of blocking hot smokes.
  • figure 1 shows a first embodiment of the fire door 1 according to the present invention.
  • the fire door 1 which is to be installed in a building, comprises at least one panel 2 equipped with a slide part 3 above.
  • Such slide part 3 comprises in turn slide means 30, suitable for allowing the door 1 to slide, as well as at least one connection member 31 to connect the slide means 30 to the panel 2.
  • the slide means 30 comprise a plurality of wheels and the door 1 comprises a plurality of connection members 31, in this case a plurality of tie-rods spaced apart from each other, which the wheels 30 are rotatably fixed to.
  • the door 1 also comprises a slide guide 4 on which the slide means 30 are suitable to.
  • the slide guide 4 is usually fixed, either directly or indirectly, to a wall of the building where the fire door 1 is installed, and comprises a shaped profile bar 40 preferably having a hook-shaped cross section.
  • shaped profile bar 40 is preferably made from a structured composite material, which allows for an optimum sliding of the door 1.
  • the shaped profile bar 40 of the slide guide 4 includes a first portion 41 which is fixed, either directly or indirectly, to a wall P of the building, and a lower portion 42 which extends transversally, preferably perpendicularly, from the first portion 41.
  • a hook-shaped portion 43 featuring an inverted-"U"-shaped cross section, so as to present a portion 43A rounded upwards.
  • such rounded portion 43A operates as a guide for the wheels 30, which just rest on this rounded portion 43A.
  • wheels 30 provided with a circumferential race 30A.
  • the fire door 1 also comprises a smoke seal device 5.
  • smoke seal device 5 comprises at least one metal profile bar 50 fixed to said slide part 3 and has such length L1 as to cover the slide part 3 all along the length L of the door 1 (see figure 3 ), and such height H1 as to cover at least the area between the upper edge of the panel 2 and the slide means 30.
  • metal profile bar 50 allows to close all apertures between the tie-rods 31, which otherwise would let smoke pass through.
  • the smoke seal device 5 also comprises at least one smoke block element 51 suitable for co-operating with the slide guide 4 in blocking cold smokes.
  • the block element 51 has a length preferably substantially equal to the length L1 of the metal profile bar 50, and, in any case, greater than or equal to the length L of the door 1, so as to be operational all along the length L of the door 1. In this way, cold smokes cannot pass either through the slide guide 4, between two successive wheels 30 of the door 1.
  • length L of the door 1 we mean the dimension of the panel 2 of the door 1 taken in the horizontal direction and parallel to the wall P of the building.
  • the smoke seal device 5 is fixed to the slide part 3 of the panel 2 of the door 1.
  • both the metal profile bar 50 and the smoke block element 51 are fixed to the slide part 3 of the panel 2. In this way, the interaction of the block element 51 with the slide guide 4 is improved as compared to the solutions of the known art. Furthermore, this arrangement makes it possible to have a smoke seal device 5 structurally simpler and less cumbersome.
  • the block element 51 extends transversally from the door 1 and comprises at least a portion 51A flush with at least one portion 42 of the slide guide 4.
  • the portion 51A of the block element 51 is flush with the lower portion 42 of the metal profile bar 40 of the slide guide 4. Note that the example illustrates a block portion 51A flush with all the lower portion 42 of the slide guide 4, but it might be flush with a part only of such lower portion 42.
  • FIG. 1 shows that the block element 51 is comprised in a block metal profile bar 52 featuring a "L"-shaped cross section and fixed to the metal profile bar 50 fixed to the slide part 3 of the door 1 (on the side facing the wall P), but this does not exclude the possibility for the block element 51 of being one piece with the same metal profile bar 50 fixed to the slide part 3 or being welded thereto.
  • the block element 51 be provided with a thermo-expanding gasket 6, arranged on the upper surface of the block element 51, i.e. the surface facing the lower portion 42 of the slide guide 4.
  • the smoke seal device 5 comprises a second metal profile bar 53 having such length as to cover the slide part 3 all along the length L of the door 1, the first and second metal profile bars 50, 53 being arranged each on a respective side of the slide part 3.
  • first metal profile bar 50, the second metal profile bar 53, and the block element 51 may constitute one piece.
  • the slide guide 4 comprises an upper portion 44 arranged above the slide part 3, preferably substantially parallel to the lower portion 42, and even more preferably substantially horizontal.
  • this upper portion 44 can operate as a rest member for tools bound to the door, such as a rack, shock-absorbers, or door stroke regulators.
  • the upper portion 44 of the slide guide 4 comprises an end portion 45 located on the other side of said slide part 3 with respect to the rest of the slide guide 4, the end portion 45 of the upper portion 44, of the slide guide 4 extending downwards, so as to further block the passage of smoke.
  • the slide guide 4, and in particular its first portion 41, its lower portion 42, and its hook-shaped portion 43, is arranged between the slide part 3 of the door 1 and the wall P.
  • the end portion 45 of the upper portion 44 is located on the side of the slide part 3 oriented towards the room to be isolated, not between the wall P and the slide part 3.
  • the width W1 of the portion 44 must be greater than the distance W2 between the wall P and the surface of the slide part 3 which faces the room to be isolated ( figure 1 ).
  • the upper portion 44 is one piece with the first portion 41, but the upper portion 44 might also constitute an element separate from the shaped profile bar 40 and be fixed thereto, as it will be detailed below.
  • the door 1 Having installed the door 1, it might possibly be used as a normal door, i.e. to close an aperture between two adjacent rooms.
  • the door 1 is automatically closed by an appropriate monitoring system which it is connected to, and which is not part of the present invention.
  • the cold smokes are blocked by the metal profile bar 50 fixed to the slide part 3 of the door, as well as by the block element 51 which is flush with the lower portion 42 of the shaped profile bar 40 of the slide guide 4.
  • FIGS 2 and 3 illustrate a second embodiment of the door according to the invention.
  • the elements common to the first embodiment will not be described again, and they will be identified by the same reference numerals, but increased by 200.
  • the smoke seal device 205 comprises an upper block element 254 which extends transversally with respect to the slide part 203 of the door 201, and is located above the slide means 230.
  • Such upper block element 254 is arranged above the wheels 230 but below the upper portion 244 of the shaped profile bar 240 of the slide guide 204, and it is also flush with said upper portion 244 of the slide guide 204, so as to improve the blocking of any cold smokes having reached the inside of the slide guide 204.
  • the upper block element 254 also provided with a thermo-expanding gasket 206 arranged flush with the lower surface of the upper portion 244 of the slide guide 204.
  • the smoke seal device 205 comprises a metal profile bar 252 having a "C"-shaped cross section, wherein the lower portion of the metal profile bar 252 is the block element 251 and the upper portion of the profile bar 252 is the upper block element 254, the metal profile bar 252 being connected to the slide part 203 of the door 201 in such a way as to incorporate the slide means 230.
  • the "C"-shaped metal profile bar 252 has a vertical portion 255 fixed to the first metal profile bar 250, in turn fixed to that side of the slide part 203 which faces the wall P, the lower portion and the upper portion of the "C"-shaped metal profile bar 252 facing the same wall P.
  • FIG. 4 illustrates a third embodiment of the door according to the invention.
  • the elements common to the first embodiment will not be described again and will be identified by the same reference numerals, increased by 300.
  • the third embodiment only differs from the second embodiment in that the upper portion 344 of the slide guide 304 is a piece separate from the shaped profile bar 340, and is connected thereto.
  • the first portion 341 of the shaped profile bar 340 includes an upper connection section 341A spaced apart from the wall P of the building so as to allow the insertion, and fixing, of a coupling section 344A of the upper portion 344.
  • FIG. 5 illustrates a fourth embodiment of the door according to the invention.
  • the elements common to the first embodiment will not be described again and will be identified by the same reference numerals, increased by 400.
  • the upper block element 454 is arranged above the upper portion 444 of the shaped profile bar 440 of the slide guide 404.
  • the figure shows that the lower surface of the upper block element 454 is flush with the upper surface of the upper portion 444 of the slide guide 404.
  • the figure highlights the presence of a "C"-shaped metal profile bar 452, wherein the lower portion constitutes the block element 451 and the upper portion constitutes the upper block element 454.
  • the upper portion 444 of the slide guide 404 has a width W1 shorter than the distance W2 between the wall P and the slide portion 403 of the door 401, and more specifically shorter than the distance between the wall P and the vertical portion of the "C"-shaped metal profile bar 452. Furthermore, the upper portion 444 of the slide guide 404 does not include any end portion extending downwards.
  • FIGS. 6A and 6B illustrate a fifth embodiment of the door according to the invention.
  • the elements common to the first embodiment will not be described again and will be identified by the same reference numerals, increased by 500.
  • This embodiment includes the elements of the first embodiment ( figure 1 ), to which a hot smoke seal device 507 is added below the cold smoke seal device 505.
  • the hot smoke seal device 507 is similar to that disclosed in the previously mentioned patent application EP 1 749 961 , and comprises a first element 570 fixed to the wall P, and a second element 571 arranged in such a way as to create an obstructed path with the first element 570.
  • Such elements 570, 571 have a length substantially equal to the length of the door 501.
  • the first element 570 includes a substantially vertical section 570A extending upwards at a distance W3 from the wall P, whereas the second element 571 includes a substantially vertical section 571A extending downwards at a distance W4, shorter than W3, at such height that the majority of the vertical section 571A of the second element 571 faces the majority of the vertical section 570A of the first element 570, so as to create an obstructed path ( figure 6B ).
  • the second element 571 of the hot smoke seal device 507 is one piece with the cold smoke block element 551 and extends from the free end thereof.
  • first element 570 and the second element 571 are provided each with at least one thermo-expanding gasket 508 along said obstructed path, i.e. on the surface opposing the other element.
  • the second element 571 might even comprises two thermo-expanding gaskets, one on each of its surfaces.
  • FIG. 7 illustrates a sixth embodiment of the door according to the invention.
  • the elements common to the first embodiment will not be described again and will be identified by the same reference numerals, increased by 600.
  • This embodiment is identical to the fifth embodiment ( figure 6 ), the only difference being in that the first element 670 of the cold smoke seal device 607 is fixed to the slide guide 604, instead of to the wall P.
  • Such first element 670 comprises a shaped profile bar 672 having a "G"-shaped cross section, having a substantially horizontal upper section 673, which is fixed to the lower surface of the lower portion 642 of the shaped profile bar 640 of the slide guide 604 in a way similar to that described in patent application EP 1 749 961 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
EP17167597.8A 2016-05-05 2017-04-21 Fire door Active EP3241973B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17167597T PL3241973T3 (pl) 2016-05-05 2017-04-21 Drzwi przeciwpożarowe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA2016A003188A ITUA20163188A1 (it) 2016-05-05 2016-05-05 Porta antincendio

Publications (2)

Publication Number Publication Date
EP3241973A1 EP3241973A1 (en) 2017-11-08
EP3241973B1 true EP3241973B1 (en) 2019-05-29

Family

ID=56740408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17167597.8A Active EP3241973B1 (en) 2016-05-05 2017-04-21 Fire door

Country Status (4)

Country Link
EP (1) EP3241973B1 (pl)
ES (1) ES2743373T3 (pl)
IT (1) ITUA20163188A1 (pl)
PL (1) PL3241973T3 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7815007B2 (ja) * 2022-03-31 2026-02-17 Ykk Ap株式会社 建具

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3019727A1 (de) * 1980-05-23 1981-12-03 Deutsche Metalltüren-Werke Aug. Schwarze AG, 4812 Brackwede Feuerbestaendiges stahlschiebetor
DE3212640A1 (de) * 1982-04-05 1983-10-13 Türenwerke Riexinger GmbH & Co KG, 7129 Brackenheim Schiebetor, schiebetuer oder dergleichen
CH708369B1 (de) * 2013-07-25 2017-12-29 Baumann + Eggimann Ag Brandschutz-Schiebetür.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3241973A1 (en) 2017-11-08
PL3241973T3 (pl) 2019-12-31
ES2743373T3 (es) 2020-02-18
ITUA20163188A1 (it) 2017-11-05

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