EP3219896A1 - Brandschutztür - Google Patents

Brandschutztür Download PDF

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Publication number
EP3219896A1
EP3219896A1 EP17160594.2A EP17160594A EP3219896A1 EP 3219896 A1 EP3219896 A1 EP 3219896A1 EP 17160594 A EP17160594 A EP 17160594A EP 3219896 A1 EP3219896 A1 EP 3219896A1
Authority
EP
European Patent Office
Prior art keywords
frame
door
profiles
facing
main wall
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
EP17160594.2A
Other languages
English (en)
French (fr)
Other versions
EP3219896B1 (de
Inventor
Georges Cerca
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3219896A1 publication Critical patent/EP3219896A1/de
Application granted granted Critical
Publication of EP3219896B1 publication Critical patent/EP3219896B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/82—Flush doors, i.e. with completely flat surface
    • E06B3/822—Flush doors, i.e. with completely flat surface with an internal foursided frame

Definitions

  • the present invention relates to a particular fire door designed to stop or at least slow down the spread of a fire in a home or in a room.
  • FIG. 1 A typical embodiment of a conventional fire door is presented on the Fig. 1 .
  • the structure of the fire door Pc consists of a parallelepiped core Am rectangular faces, made of plaster and which is covered by two facing sheets Fp1, Fp2, made of steel.
  • Each sheet of facing Fp presents, on the Fig. 2 a flat surface delimited by a flat main wall Pp with four sides, these four sides being extended in the same plane respectively by four edge walls P1-P4 intended to be folded at right angles and on the same side from their fold line Lp .
  • the main wall Pp of the cladding sheet Fp1 is applied to a main face of the core Am while the four edge walls P1-P4 are folded over the four peripheral faces of said core.
  • the main wall surface Pp of the second facing sheet Fp2 is a little larger so that the four edge walls P1-P4 overlap those of the facing sheet Fp1.
  • the side walls are then fixed, for example, by screwing into the peripheral walls of the core.
  • the sheets used to make the facing sheets Fp are relatively thin and their thickness is of the order of 0.8 to 1 mm. Indeed, under the effect of heat, produced by a flame test or a real fire, the main walls Pp wrinkle due to the differential coefficient of expansion with the plaster core and when these sheets are thicker, they deform sufficiently the fire door which then lets fire between her and her frame.
  • a fire door structure This consists of two panels made of aluminum sheet, held parallel to each other at their two lateral edges, by two edge elements made of metal and having in section a U-shaped geometry defined by an extended intermediate wing of two wings. side. The two side edges of each panel are folded over the two side wings of the edge elements.
  • the internal volume of the door is filled with a polyurethane resin.
  • a fire door including a core, two facing sheets disposed vis-a-vis and on either side of the core, each facing sheet comprising a flat main wall and polygonal , the door including a frame formed of a plurality of sections abutting two by two so as to delimit the periphery of said frame, each profile having in section a U-shaped geometry defined by an intermediate wing extended at its two ends by two parallel lateral wings , and which are facing outwards, the main wall of each facing sheet resting on the lateral wings turned on the same edge of said frame, the main wall of each facing sheet being extended respectively by several of its sides by border walls and which are folded substantially parallel to said main wall so that said facing sheet can be hung on said frame, the side wings turned on the same edge of said frame being retained between the main wall and said edge walls;
  • the profiles are made of a thermosetting matrix composite material.
  • the main wall When the fire door is subjected to flame, the main wall expands linearly in the same plane.
  • the fire door retains its flat geometry on its heat exposed side and is therefore able to form a fire dam.
  • the thickness of the facing sheets can be sized so that the door can withstand the usual shocks to which it is subjected regularly.
  • the two lateral wings of the profile remain behind the two facing sheets and are thus not directly exposed to the effects of the flame. They retain their geometry and maintain the flatness of the fire door in case of fire so that it can hinder the spread of fire.
  • thermosetting matrix composite material is a polyester which is loaded with glass fibers.
  • reinforcing profiles having a U-shaped geometry in section are respectively mounted in the constituent sections of the frame.
  • the rigidity of the frame is increased and therefore the rigidity of the door also.
  • joints having a U-shaped geometry in section are interposed between at least some reinforcement sections and the corresponding sections constituting the frame, each joint being provided with two lips and at least one of which projection on each side of the corresponding reinforcing profile.
  • seals serve to provide a seal between the door and its frame or, where appropriate, with a door sill.
  • the reinforcement profiles block the joints in the U-profiles of the frame and hold them securely in place.
  • brackets join respectively at their joints, two sections constituting the frame, each bracket being applied under the intermediate wings of two joined profiles.
  • brackets reinforces the structure of the frame and therefore the rigidity of the door as well.
  • a filling material fills the interior volume of the closed frame by its two facing sheets.
  • the filling material thus forms the core of the door, providing it with the rigidity required by its function. It also increases the mass of said door.
  • the filling material is advantageously an expansive foam injected into the volume defined in said frame. Thermal and acoustic insulation is also increased.
  • intumescent joints are fixed on the outer faces of the reinforcing profiles, said external faces being those facing the frame in which may be placed said door or towards a door sill.
  • the intumescent gasket expands and clogs the gap between the fire door and its frame, between the fire door and the door sill.
  • hinges are fixed on a corresponding reinforcement profile, by means of at least one screw which passes through said profile to anchor in the intermediate wing of one of the constituent sections of the frame. .
  • the hinges are firmly in the door.
  • the fire door 100 presented on the Fig. 3 is intended to prohibit or at least delay the spread of fire between two rooms of a building and, in particular, a building intended to accommodate the public.
  • the fire resistance ability of such a door is currently defined by standard NF 227.
  • the structure of the fire door 100 is defined mainly by a frame Cd, two facing sheets Ft1 and Ft2 facing each other and mounted on either side of said frame, Jt seals mounted on at least three sides of frame Cd, profiles Pf reinforcement mounted around the frame Cd, and, if necessary, the hardware such as hinges for securing the opening 100 on a frame, a lock.
  • the Cd frame is constituted, on the Fig. 4 of four U section profiles and which are assembled at a right angle, through brackets Eq.
  • Each profile Po is thus composed of an intermediate wing Ai extended at its two ends by two parallel lateral wings Al1 and Al2, which are turned outwards. Both ends of the profiles are chamfered at 45 ° to fit perfectly.
  • the profiles Po are preferably made of a thermosetting matrix composite material, such as polyester which is preferably reinforced with glass fibers.
  • a polyester profile is, for example, manufactured by pultrusion by the company Tecnipul ®. This material provides relatively good rigidity and fire resistance sufficient for the required use. This material burns only in direct contact with a flame.
  • the profiles made in this material deform only extremely little under the effect of heat.
  • Each Eq square joins two contiguous ends of two contiguous Po profiles. Each square Eq is applied under the intermediate wings Ai of two joined profiles Po.
  • An assembly means such as bolts Bo, joins the two constituent walls of brackets Eq with the intermediate flange Ai of abutting profiles Po.
  • the brackets are preferably made of metal.
  • the sheet of facing Ft presented on the Fig. 5 is intended to be mounted on each of the two main faces of the frame.
  • the facing sheet Ft is made of metal, for example stainless steel. Its thickness is of the order of 2 to 3 mm to withstand the usual shocks to which a fire door is exposed in normal use, for example, the impacts of trolleys, the impact of shoes to open said door cutter. traffic light.
  • the facing sheet Ft has a flat surface delimited by a main wall Pp polygonal and four sides on this Fig. 5 these four sides being extended in the same plane respectively by four walls P1-P4 border generally having a rectangular geometry.
  • the three walls P1, P2 and P4 that is to say respectively the upper wall P1 and the two side walls P2 and P4, in the laying position of the facing sheet, are folded at 180 ° around a radiated folding zone Zp to take their visible position on the Fig. 6 and in which they are arranged parallel to the main wall Pp.
  • the side edges of the high wall P1 are chamfered at 45 °. It is the same for the two high side edges of the two walls P2 and P4, that is to say their edges located in the upper part of the Fig. 5 and which are bevelled at 45 °.
  • each of the two facing sheets Ft by sliding its main wall Pp on a main face of the frame so as to slide the three walls P1, P2 and P4 behind the side wings of three profiles corresponding of said frame.
  • This situation is partially visible on the Fig. 3 where we see the high wall P1 of the cladding sheet Ft1 retained behind the side wing Al1 of the frame Cd.
  • the cladding sheet Ft is fixed on the frame Cd. Its main flat wall Pp can be dilated. in a plane because its edges are not clamped. Thus the fire door exposed to the flame does not twist. It thus fulfills its function of making fire barrier.
  • the lower wall P3 is slightly folded while being turned on the other side of the walls P1, P2 and P4, by an angle of a few degrees, for and with reference to the Fig. 3 , divert condensation drops, wash water and also increase the rigidity of the facing sheet. It will be noted that this low wall P3, in one embodiment shown on the right side of the Fig. 5 , is not folded. Furthermore, the two side walls P2 and P4 can go down to the level of the lower part of the facing sheet Ft, as shown on the right side of the Fig. 5 .
  • the facing sheets Ft are then painted and preferably by heat-lacquering. They are then ready to be asked.
  • the two facing sheets can be painted in two different colors.
  • seals Jt are inserted in at least three of the sides, that is to say in the upper side and in the two lateral sides of the frame Cd equipped with its two facing sheets Ft1 and Ft2.
  • Each seal T is formed of a profile which has in section a U-shaped geometry and whose two lateral wings, extending an intermediate wing, form the two lips of the joint. The two ends of each joint are chamfered at 45 ° so that said seal can be joined with another neighbor.
  • each seal Jt is wedged against the intermediate flange Ai of the constituent profiles Po of the frame Cd, leaving the possibility to the two lips of said seal to match the profile of a frame D in which the fire door 100 is likely to to be mounted.
  • the frame consists of several metal profiles assembled together and which are fixed in the frame of a door, for example using dowels or lag bolts Tf, as shown on the Fig. 9 .
  • the four reinforcing profiles Pf are respectively mounted in the four profiles constituting Po Cd frame, that is to say all over its periphery and, where appropriate in each joint Jt.
  • the profiles Pf thus serve to provide the frame Cd with sufficient rigidity to form the supporting structure of the fire door 100. They also serve to fix the joints Jt on said frame by keeping them properly shaped.
  • the profiles Pf are preferably made of metal, for example stainless steel.
  • each profile Pf generally has a C-shaped geometry in section.
  • Fig. 9 screws V of direction parallel to the facing sheets Ft pass through the profiles Pf to be fixed in the inner wing Ai of corresponding profiles Po corresponding to the frame Cd.
  • each seal Jt is applied, via a corresponding profile Pf on the intermediate wing Ai of a profile Po constituting the frame Cd.
  • the two lips of said seal project out of the profile Pf to come into contact with the profile of the frame D to provide water and airtightness and also to prevent the propagation of the flame.
  • a single lip protrudes out of the profile Pf to come into contact with the profile of the frame D.
  • Jit intumescent joints also called heat-expansion joints
  • the heat-swelling Jit seal expands and clogs the gap between the fire door 100 and its frame D, between the door-cutter Fire 100 and the door sill Sp.
  • It is preferably in the form of a strip of material of rectangular section. It is manufactured, for example, synthetic elastomer.
  • a filling material fills the interior volume of the frame closed laterally by its two facing sheets Ft1 and Ft2.
  • This filling material is advantageously expansive foam Mx which has been injected into said frame Cd.
  • the expansive foam Mx is injected through an orifice provided in one of the constituent sections Po of said frame.
  • the cellular foam Mx forms the core of the fire door 100 by providing it with the required rigidity by its function, in particular, by reinforcing the rigidity of the frame Cd, providing support for the two facing sheets Ft and gluing them on said hardened core.
  • the expansive foam is, for example, a polyurethane foam. It also increases the mass of said fire door 100.
  • the blank of the door thus constructed can be painted in a single color at this stage of its manufacture.
  • part of a hinge Gd is fixed on a lateral side of the fire door 100. It is intended to cooperate with a complementary part of the hinge fixed on the frame D.
  • the hinge Gd is fixed on a reinforcement profile Pf corresponding, through at least one screw V which passes through said profile Pf for anchoring in the intermediate wing Ai of one of the profiles constituting Po Cd frame.
  • a lock Sr is mounted in the lateral side opposite to that which carries the hinges.
  • a reservation Rs is delimited in the interior volume of the frame Cd provided with its two facing sheets Ft to receive and mount the lock Sr.
  • the reservation Rs is defined by the presence of plates or profiles next to the two sheets of facing Ft to mislead locally expanding the foam in said interior volume.
  • Three profiles Po identical to those used for the manufacture of the frame Cd and which are abutted at right angles to delimit said reservation, are preferably used.
  • the fire door of the invention is deformed homothetically when subjected to the heat of a fire. It forms a fireproof barrier according to the standard in force.
  • the fire door of the invention can still be equipped with accessories that are typically found on a door.
  • the fire door can thus be provided with a locking system of its position by electromagnet, an anti-panic lock with unlocking bar.
  • the fire door of the invention can also be used, because of the presence of cellular foam between the two facing sheets which do not are not in contact, as isothermal door, as acoustic door due to the presence of a cellular foam between the two facing sheets and which absorbs vibrations. By equipping it with even thicker facing sheets, it can be used as an armored door.
  • the fire door of the invention is manufactured without welding and therefore is relatively simple to build.
  • the fire door of the invention can also be used as an access door to a corridor, attics, crawl space, parking.
  • the access hatch is normally arranged horizontally.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)
EP17160594.2A 2016-03-14 2017-03-13 Brandschutztür Active EP3219896B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1652111A FR3048716B1 (fr) 2016-03-14 2016-03-14 Porte coupe-feu

Publications (2)

Publication Number Publication Date
EP3219896A1 true EP3219896A1 (de) 2017-09-20
EP3219896B1 EP3219896B1 (de) 2019-06-12

Family

ID=56802515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17160594.2A Active EP3219896B1 (de) 2016-03-14 2017-03-13 Brandschutztür

Country Status (3)

Country Link
EP (1) EP3219896B1 (de)
ES (1) ES2744808T3 (de)
FR (1) FR3048716B1 (de)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB842939A (en) 1957-09-27 1960-07-27 Kenneth Charles Tecklenborough Improvements in and relating to doors, partitions and like rigid structures
GB1537024A (en) * 1975-10-28 1978-12-29 British Steel Corp Closure elements for buildings
DE8510649U1 (de) * 1985-04-11 1985-05-30 Fiand-Favorit GmbH & Co KG, 4620 Castrop-Rauxel Einbruchhemmende Tür
BE903601A (nl) * 1985-11-07 1986-03-03 Maras Georges Dominicus Metalen deur
GB2193243A (en) * 1986-07-30 1988-02-03 Clark Door Ltd Panels
DE19651699C1 (de) * 1996-12-12 1998-01-15 Theo Schroeders Feuerschutztür mit einem Versteifungsprofil
US5800651A (en) * 1996-02-26 1998-09-01 Smartdoor Fiberglass Systems, Inc. Process for manufacturing a glass reinforced plastic door panel
FR2891575A1 (fr) * 2005-10-04 2007-04-06 Zilten Soc Par Actions Simplif Procede de realisation d'un panneau, tel qu'un ouvrant de porte, d'obturation d'une ouverture exterieure de batiment, et panneau realise.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB842939A (en) 1957-09-27 1960-07-27 Kenneth Charles Tecklenborough Improvements in and relating to doors, partitions and like rigid structures
GB1537024A (en) * 1975-10-28 1978-12-29 British Steel Corp Closure elements for buildings
DE8510649U1 (de) * 1985-04-11 1985-05-30 Fiand-Favorit GmbH & Co KG, 4620 Castrop-Rauxel Einbruchhemmende Tür
BE903601A (nl) * 1985-11-07 1986-03-03 Maras Georges Dominicus Metalen deur
GB2193243A (en) * 1986-07-30 1988-02-03 Clark Door Ltd Panels
US5800651A (en) * 1996-02-26 1998-09-01 Smartdoor Fiberglass Systems, Inc. Process for manufacturing a glass reinforced plastic door panel
DE19651699C1 (de) * 1996-12-12 1998-01-15 Theo Schroeders Feuerschutztür mit einem Versteifungsprofil
FR2891575A1 (fr) * 2005-10-04 2007-04-06 Zilten Soc Par Actions Simplif Procede de realisation d'un panneau, tel qu'un ouvrant de porte, d'obturation d'une ouverture exterieure de batiment, et panneau realise.

Also Published As

Publication number Publication date
FR3048716B1 (fr) 2020-11-27
FR3048716A1 (fr) 2017-09-15
ES2744808T3 (es) 2020-02-26
EP3219896B1 (de) 2019-06-12

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