EP2107206A1 - Strip for fire door, fire door and method for manufacturing such strips - Google Patents
Strip for fire door, fire door and method for manufacturing such strips Download PDFInfo
- Publication number
- EP2107206A1 EP2107206A1 EP09447005A EP09447005A EP2107206A1 EP 2107206 A1 EP2107206 A1 EP 2107206A1 EP 09447005 A EP09447005 A EP 09447005A EP 09447005 A EP09447005 A EP 09447005A EP 2107206 A1 EP2107206 A1 EP 2107206A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamella
- longitudinal
- face
- adjacent
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 238000005192 partition Methods 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 7
- 241000446313 Lamella Species 0.000 claims description 210
- 239000002184 metal Substances 0.000 claims description 123
- 229910052751 metal Inorganic materials 0.000 claims description 123
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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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/15—Roller shutters with closing members formed of slats or the like
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- 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
- E06B3/48—Wings connected at their edges, e.g. foldable wings
Definitions
- the door prepared by means of slats according to this document EP1591614 allows a fire protection
- the door has preferential passages for the flames between the lamellae. So when the door is not lowered correctly, passages may be formed between two adjacent lamellae, particularly at the top of the door in the closed position.
- the slats are attached to each other by steel cables, passing through the protuberances and grooves of the side faces of the slats.
- the placement of such cables in the different lamellae is a complicated operation.
- the cables induce a tension in the lamellae and between the lamellae, tensions that may cause certain degradations at the level of the protuberances or grooves.
- the door obtained by means of lamellae according to this document is always combustible, so that in case of prolonged fire, one or more important openings can be created.
- the door obtained by means of such slats has only a limited resistance to burglary, as well as limited resistance to shocks, or blows, etc.
- FIG. 3 of the document DE 199 07 801 a lamella consisting of a metal base body associated with a plastic jacket defining on either side of the metal profiled metal base body, chambers provided with reinforcements.
- the rooms do not contain intumescent material.
- the slats described in figure 3 of this document each have an upper hook and a lower hook, the lower hook of a slat being intended to bear in the upper hook of an adjacent slat when opening the shutter. In the closed position of the shutter, the upper hook of a strip does not take not support in the groove of the lower hook of an adjacent lamella.
- the present invention relates to a blade for making fireproof doors ensuring optimum resistance against the passage of flames (even if the door is not lowered optimally), a better resistance to the passage of heat (temperature the side of the door opposite the side on which the flame is applied remains longer at a temperature below 140 Ā° C), even in case of inadequate movements of one lamella compared to another.
- the slat according to the invention also makes it possible to produce doors having improved resistance to burglary and / or shock and / or blast explosion.
- the lamellae according to the invention made it possible, in embodiments, to produce doors which are more smoke-tight and which allow adhesion of the lateral faces of the adjacent lamellae along all their longitudinal edges, once the temperature of the softening of the thermoplastic or thermoformable material reached.
- the first longitudinal edge (26) of the metal profile has a curved or hooked end (51), while the second longitudinal edge (27) has a curved or hooked end (53), the curved end or hook (51) of the first longitudinal edge (26) of the metal section of the lamella considered being adapted to be engaged in the curved or hooked end (53) of a metal section of a second longitudinal edge (27) a lamella adjacent to the lamella considered, when the door or partition is in the closed position, while the curved end or hook-shaped (53) of the second longitudinal edge (27) of the metal section of the lamella considered adapted to be engaged in the curved or hooked end (51) of the metal profile of a first longitudinal edge (26) of another lamella adjacent to the considered lamella, when the door or partition is in position.
- the different metal sections of the lamellae of a door form a substantially continuous wall with the sections connected to each other with the longitudinal hook edges of each section of a strip engaged in and in contact with a longitudinal hook edge of metal profiles of adjacent lamellae.
- the longitudinal hook edges of the metal profiles are advantageously adapted so that when the slats of the door in the closed position extend in a substantially vertical plane, the hooked edges of the metal profiles oppose the withdrawal of a metal section relative to to an adjacent profile by a movement in a direction perpendicular to the substantially vertical plane of the door or wall.
- the first and second lateral faces are profiled so that in the closed position of the door, the portion (23A) of the first lateral face (23) extending between the metal section (30) and the first longitudinal face (21) has a portion adapted to touch at least a portion (24A) of the second lateral face (24) extending between the metal section (30) and the first longitudinal face (21) of an adjacent lamella (2a), whereas the portion (24A) of the second lateral face (24) of the considered lamella (2) extending between the metal section (30) and the first longitudinal face (21) has a portion (24A) adapted to touch at least a portion (23A) of the portion of the first side face (23) extending between the metal profile (30) and the first longitudinal face (21) of another adjacent lamella (2ter).
- This ensures a certain additional sealing of the door along one of its faces, preferably outside the door.
- the first edge (26) of the lamella considered (2) and the second edge (27) of the adjacent lamella (2a) are adapted to each other to allow at least one displacement relative of limited spacing of the considered lamella (2) with respect to said adjacent lamella (2bis) and / or in that the second edge (27) of the lamella considered (2) and the first edge (26) of a other adjacent lamella (2b) are adapted to each other to allow at least a relative displacement limited distance of the lamella considered (2) relative to said other adjacent lamella (2ter).
- the limited spacing movement is for example between 1mm and 25mm, and is advantageously a function of the width of the lamellae (width measured vertically when the pivot axes A 'of the adjacent lamellae extend in the same plane).
- the first and second lateral faces are profiled so that in the closed position of the door or partition, the portion (23B) of the first lateral face (23) extending between the metal section (30) ) and the second longitudinal face (22) has a portion adapted to touch at least a portion (24B) of the second lateral face (24) extending between the metal section (30) and the second longitudinal face (22) of a adjacent lamella (2a), while the portion (24B) of the second lateral face (24) of the lamella under consideration (2) extending between the metal section (30) and the second longitudinal face (22) has a portion ( 24B) adapted to touch at least one portion (23B) of the portion of the first side face (23) extending between the metal section (30) and the second longitudinal face (22) of another adjacent faceplate (2ter) .
- the first and second lateral faces are profiled so that in the closed position of the door or partition, the portions (23A, 23B) of the the first lateral face (23) extending respectively between the metal profile (30) and the first longitudinal face (22) and between the metal profile (30) and the second longitudinal face (21) each have a portion adapted to touch respectively at least one portion (24A) of the first lateral face extending between the metal section (30) and the first longitudinal face (21) of an adjacent lamella (2a) and at least one portion (24B) of the second face lateral section (24) extending between the metal profile (30) and the second longitudinal face (22) of an adjacent lamella (2a), while the portions (24A, 24B) of the second lateral face (24) of the lamella considered (2) extending respectively between the metal profile (30) and the first longitudinal face (21) and between the metal section (30) and the second longitudinal face (22) of the strip considered each have a portion (24A, 24B) adapted to respectively touching at
- the envelope covers at least partially the first longitudinal edge and / or at least partially second longitudinal edge. This ensures a better attachment of the envelope to the metal profile. In embodiments, this also avoids direct contact between two metal portions of two different lamellae. In addition, in case of expansion of the metal profiles due to fire, the thermoplastic or thermoformable material between two longitudinal edges of two adjacent lamellae will be compressed.
- At least the first longitudinal edge and / or the second longitudinal edge is completely covered by the envelope or by the thermoplastic material or by a protective layer.
- the two longitudinal edges are covered by the casing, this then providing excellent protection against wear and corrosion, as well as excellent adhesion of the two chambers.
- the side faces (23A, 23B) of a first chamber located along a first face of the metal profile and the side faces (24A, 24B) of a second chamber located along a second face of the metal profile opposite said first face of the metal section is adapted so that in the closed position of the door or partition, the first adjacent lamella chambers form a first continuous coating, while the second adjacent lamella chambers form a second continuous coating, the metal profiles of said adjacent lamellae extending between said first continuous coating and said second continuous coating.
- the metal sections of the slats are thus protected on their two opposite faces by a continuous coating formed of adjacent chambers containing intumescent material. This ensures excellent protection against the passage of fire, against the passage of heat and against the passage of fumes.
- the envelope is made of a thermoplastic or thermoformable material, having a melting point or thermoformability point greater than 170 Ā° C, preferably greater than 200 Ā° C, preferably greater than 210 Ā° C.
- a thermoplastic or thermoformable material mention may be made of PVC, polycarbonate, nylon, polyamides, etc., combinations thereof, multi-layer structure thereof, thermoformable structure with reinforcement, glass fabrics, fabrics of carbon, fiberglass, mineral fiber, basalt fiber, etc.
- the metal section is partially or totally provided with a protective layer and / or a layer for improving the adhesion of the thermoplastic material of the chambers (for example a thermoplastic layer compatible with the material used to form the walls of the chambers) and / or an anti-corrosion layer, and / or a sliding or anti-friction layer (for example at one or more longitudinal edges).
- a protective layer and / or a layer for improving the adhesion of the thermoplastic material of the chambers for example a thermoplastic layer compatible with the material used to form the walls of the chambers
- an anti-corrosion layer for example at one or more longitudinal edges
- a sliding or anti-friction layer for example at one or more longitudinal edges.
- the metal section may also undergo a chemical and / or mechanical treatment, for example a mechanical treatment to create bumps or micro bumps or a surface roughness at least partially for the walls that must support the chambers .
- the chambers are filled substantially completely with a composition containing one or intumescent materials, said composition being advantageously introduced under pressure, so as to limit the volume of air or gas present in the chambers.
- the casing and the metal section are associated with each other at least by co-extrusion or pultrusion of thermoplastic or thermoformable material with respect to the metal section, optionally provided with a plastic or synthetic layer or fastening or protection, in particular provided with a thermoplastic layer.
- a die is advantageously used for this coextrusion or pultrusion.
- first longitudinal edge and the second longitudinal edge of the metal section are profiled before coextrusion or pultrusion of thermoplastic or thermoformable material.
- At least one intumescent composition is introduced into the chambers during or after the coextrusion or pultrusion step.
- at least the intumescent composition is introduced into the pressure chambers, advantageously under a pressure greater than 2 ā 10 5 Pa, for example at a pressure of between 3 ā 10 5 Pa and 10 ā 10 5 Pa.
- the coextrusion or pultrusion is carried out in a die comprising a portion capable of limiting at least the outer shape of the walls of the still hot chambers, at least one at least partially intumescent composition is injected under pressure into the portions of the chambers located in said portion of the die capable of limiting at least the outer shape of the walls of the still hot rooms.
- the invention also relates to a door comprising at least one series of 5 slats according to the invention, the slats being connected to each other, two by two, via the longitudinal edges of their metal profile.
- the slats are pivotable in pairs relative to each other along a longitudinal pivot axis.
- This pivot axis is defined by the axis of pivoting of the longitudinal edge of a side face of a lamella with respect to the longitudinal edge of a side face of an adjacent lamella.
- an anti-friction or anti-wear part such as for example a layer of polyamide (s) or nylon.
- the door comprises at least one guide path and at least one motor mechanism for controlling the opening or closing of the door, said mechanism being advantageously connected to the longitudinal edge of the metal profile of at least one extreme lamella, advantageously extreme lamellae. If the slats of the door are to wrap around a drum, the longitudinal edge of an end slat can be attached at several points to the drum or drum part. This ensures a better reliability of the door.
- Two adjacent lamellae may be associated with one another by longitudinal sliding of a longitudinal edge of a lateral face of a lamella or part thereof, by at least partial clipping of a longitudinal edge of one face of a lamella in the longitudinal edge of a lateral face of another adjacent lamella, and / or by attachment of a longitudinal edge of a lateral face of a lamella in the longitudinal edge of a face side of an adjacent lamella.
- the subject of the invention is also a process for manufacturing a lamella according to the invention, in which the thermoplastic or thermoformable material is coextruded around a metal section, optionally provided with a plastic or synthetic layer or hooking or protection, in particular provided with a thermoplastic layer, to form on either side of said profile at least one chamber, and in which one injects, advantageously under pressure greater than 2 10 5 Pa, into each of said chambers at least one material or composition that is at least partially intumescent.
- the injected intumescent material or composition is chosen to form, after hardening or lowering the temperature at a temperature of less than 50 Ā° C., a solid or substantially solid and / or elastic phase.
- the intumescent material or composition is injected into the chambers, when the temperature of the walls of the envelope is still greater than 50.degree. C., advantageously greater than 75.degree. C., preferably greater than 100.degree. temperature between 110 Ā° C and 160 Ā° C.
- the maximum temperature is naturally lower than the softening temperature of the shell material.
- said substantially planar ends of the hulls of thermoplastic or thermoformable material have a width adapted so that the edges of the strips after stamping are formed of a portion of the metal section completely covered with thermoplastic or thermoformable material.
- the first edge (26 ') of the considered lamella (2) and the second edge (27') of the adjacent lamella (2a) are adapted to each other to allow at least one displacement. relative of limited spacing of the lamella considered (2) with respect to said adjacent lamella (2bis), and the second edge (27 ') of the lamella considered (2') and the first edge (26 ') of another adjacent lamella (2b) are adapted to each other to allow at least a relative displacement limited distance of the lamella considered (2) relative to said other adjacent lamella (2ter).
- the first and second side faces are profiled so that in the closed position of the door, the portion (23B) of the first side face (23) extending between the first edge (26 ') ) and the second longitudinal face (22) has a portion adapted to touch at least a portion (24B) of the second lateral face (24) extending between the metal section (30) and the second longitudinal face (22) of an adjacent lamella (2a), whereas the portion (24B) of the second lateral face (24) of the lamella under consideration (2) extending between the second edge (27 ') and the second longitudinal face (22) presents a portion (24B) adapted to touch at least a portion (23B) of that portion of the first side face (23) extending between the first edge (26 ') and the second longitudinal face (22) of another adjacent face (2b).
- the envelope has one or more longitudinal walls for dividing the envelope into one or more separate longitudinal chambers.
- the figure 1 is a schematic view of a door 1 comprising a series of lamellae 2 mounted to pivot relative to each other.
- the door 1 is intended to close an opening 3 of a wall 4.
- the door 1 has its vertical edges guided in rails 5.
- the door is associated with a mechanism 7.
- This mechanism 7 comprises a drum 8 mounted on a shaft.
- the rotation of the drum 8 is controlled by a motor 9, possibly with one or more reduction wheels.
- the door is raised, the upper lamellae are guided by the guides 10 to move towards the drum 7, on which lamellae 2a, 2, 2 ter are wound.
- Two adjacent lamellae 2 are able to pivot relative to one another along an axis substantially parallel to the axis of rotation of the drum 8.
- the groove 26 of a first lateral face 23 of the lamella in question 2 is adapted to receive the longitudinal protrusion 27 of a second lateral face 24 of another lamella 2a placed adjacent to the lamella considered 2, while the protuberance 27 of the second side face of the coverslip considered 2 is adapted to partially engage in the groove 26 of a first side face 23 of another lamella 2ter placed adjacent to the lamella 2 considered.
- the strip 2 further comprises a metal section 30 extending in said envelope 20 so as to define two separate chambers 20a, 20b, namely a first chamber 20a extending between the first longitudinal face 21 and the metal section 30 and a second longitudinal chamber 20ter extending between the second longitudinal face 22 of the casing 20 and the metal section 30, said first and second chambers 20a, 20ter being filled at least partially with an intumescent material 25.
- caps or lids 70 having a plurality of retaining tabs 71 intended to engage in one of the chambers 20a, 20b, in particular in the intumescent layer 25.
- Each cap or lid 70 is advantageously provided with a roller or guide shoe 72 adapted to follow a path defined by a rail or a groove.
- the metal profile 30 has a first longitudinal edge 30bis (hook-shaped) adjacent to the first side face 23 of the envelope 20, and a second longitudinal edge 30b (hook-shaped) adjacent to the second side face 24 of the the envelope 20.
- the first edge 30a is profiled or curved to define an open groove having an inner face substantially corresponding to a section of a cylindrical face.
- the second edge 30ter is profiled or curved to define a longitudinal hook whose outer face is adapted to be engaged at least partially in the open groove of a first longitudinal edge 30bis of a metal section 30 of an adjacent lamella.
- the first longitudinal edge connection - the second longitudinal edge 30bis - 30ter of two adjacent lamellae forms a means ensuring pivoting along a horizontal longitudinal axis between the lamella considered 2 and the lamella adjacent 2bis or 2ter during the movement of said strips along the guide path at least partially curved.
- the first and second lateral faces 23, 24 are profiled so that in the closed position of the door 1, the portion 23A of the first lateral face 23 extending between the metal profile 30 and the first longitudinal face 21 has a portion adapted to touch at least a portion 24A of the portion of the second side face 24 extending between the metal section 30 and the first longitudinal face 21 of an adjacent strip 2a, while the portion 24A of the second side face 24 of the lamella considered 2 extending between the metal section 30 and the first longitudinal face 21 has a portion adapted to touch at least a portion of the portion 23A of the first side face 23 extending between the metal section 30 and the first longitudinal face 21 of another adjacent lamella 2ter.
- the casing covers the first longitudinal edge 30bis and the second longitudinal edge 30ter (see figure 8 ).
- the envelope 20 is for example made of PVC or polyamide.
- At least one surface in contact with a longitudinal edge with the other longitudinal edge is provided with an anti-friction layer or coating for example a teflon or polyamide layer.
- the chambers 20a, 20b are substantially completely filled with a composition containing one or more intumescent materials 25.
- the envelope and the metal section are for example associated with each other at least by a coextrusion of thermoplastic material or thermoformable with respect to the metal section.
- This coextrusion is for example carried out a metal section 30 whose first longitudinal edge and the second longitudinal edge of the profile are profiled before the coextrusion of thermoplastic or thermoformable material.
- This metal profile 30 is introduced into a die 50 having feeds 51 of molten thermoplastic material (under pressure) and open inner grooves to form the envelope 20.
- the metal section 30 is advantageously provided with a protective layer, in particular a layer compatible with the material to form the envelope.
- the profile 30 is provided with a PVC layer before being introduced into the coextrusion or pultrusion die.
- the section provided with the casing arrives in a portion of the die where the walls of the casing 21 formed are no longer supported by a face on the inside of the casing. 'envelope.
- an intumescent product is introduced under pressure via the feeds 52 to fill the two chambers 20a, 20b.
- the metal section provided with the envelope and intumescent product is pulled out of the die (pultrusion process), tensile force performed on the longitudinal edges.
- the slats are then cut to the desired length.
- Another method of manufacturing a lamella according to the invention is a method in which a structure formed of a first shell 60 made of thermoplastic or thermoformable material associated with a layer of intumescent material 61, a profile is heat-stamped. substantially flat metal 30, and a second shell 63 of thermoplastic or thermoformable material associated with a layer of intumescent material 61, so as to form said first and second longitudinal edges 30a, 30ter lamellae 2, and to give the outer shape of the envelope 20.
- the shells made of thermoplastic or thermoformable material each have flat portions 66 separated from each other by a channel 67 provided with the intumescent layer 61, said flat portions having a width adapted to extend beyond the longitudinal edges of the profile. metal before hot stamping.
- the figure 9 is a view similar to that of the figure 2 .
- the slats 2 of the door are directly wound on a drum 8 whose rotation is controlled by the motor 9.
- the drum and its motor are carried by supports 10 slidable between parallel rails 70,71, depending on the amount of rolled slats.
- the movement of the support 10 is for example controlled or controlled by the motor or by the rotation of the axis of the drum 8. This ensures that a 2quater lamella is in the plane of the lamellas 2 of the closing door at least partially the passage 5.
- the figure 10 is a partial sectional view of three strips 2bis, 2, 2 ter of the door of the figure 9 .
- the lamellae comprise a metal section 30 having a lower longitudinal edge 30a and an upper longitudinal edge 30b.
- the metal section 30 is associated on one of its faces with a first chamber 20a defined by walls 21, 23A, 24A, 30A of thermoplastic material, chamber filled with intumescent material, and on the other of its faces with a second chamber 20ter defined by the walls 22, 24B, 23B and 30B.
- the chambers 20a, 20b are adapted so that in the closed position of the door, the wall 23A of the lamella 2 touches the wall 24A of the adjacent lamella 2a (located below the lamella 2), the wall 24A of the the lamella 2 touches the wall 23A of the adjacent lamella 2ter, situated above the lamella 2, a part of the wall 23B of the strip 2 touches a portion of the wall 24B of the adjacent strip 2bis located below the strip 2 and finally, a portion of the wall 24B of the strip 2 touches a portion of the wall 23B of the lamella 2ter adjacent and located above the lamella 2.
- the longitudinal edges 30a, 30b of the lamellae 2.2a, 2b are profiled to allow a spacing movement of the lamellae between them (for example by translation) during the opening of the door.
- the longitudinal edge 30a bottom
- the longitudinal edge 30ter (upper) defines a groove 52 ending in a hook end 53 facing the throat 52.
- the portion of the groove 50 located below the hook 51 of a strip 2 is adapted to receive at least partially the hook 53 of a longitudinal edge 30ter of another lamella 2a.
- the hook 53 thus cooperates with the hook 51 to hold the slats to each other during relative movements between the slats.
- the side faces (23A, 23B) of a first chamber located along a first face of the metal profile and the side faces (24A, 24B) of a second chamber located along a second face of the metal section opposed to said first face of the metal section of the lamellae are adapted so that in the closed position of the door or partition, the first adjacent lamella chambers form a first continuous coating (formed of chambers filled with intumescent materials, chambers touching one the other by their lateral faces in contact with the intumescent material), while the second chambers of adjacent lamellae form a second continuous coating (formed of chambers filled with intumescent materials, chambers touching each other by their faces side contacts with intumescent material), the metal profiles of said adjacent lamellae extending between said first coating continuous and said second continuous coating.
- the metal sections of the slats are thus protected on their two opposite faces by a continuous coating formed of adjacent chambers containing intumescent material. This provides excellent protection against
- the lamellae 2.2a, 2ter deviate from each other, thanks to the translational movement of the hook 53 in the portion of the groove 50 located under the hook 51.
- the translational movement is limited when the bottom of the hook 53 abuts against the bottom 50A of the groove 50.
- the bottom of the groove 50 has at least one curved portion 50B (portion of a cylindrical surface, for example a quarter of a cylindrical surface), while the hook 53 has a curved shape 53A adapted to fit at least partially the portion 50B curve of the groove 50.
- the curved shape 53A corresponds for example to at least half of a cylindrical surface. This then allows a possible pivoting of a sipe with respect to another sipe by a sliding movement (rotary) of the face 53A along the face 50B. The movement of rotation of the lamellae between them is however limited by the contact of an inner face of the groove 52 on an outer face of the hook 51. (see figure 12 )
- the slat according to the figure 14 comprises an envelope having or associated with a first longitudinal edge (26 ') adjacent to the first side face (23') of the envelope (20 '), and a second longitudinal edge (27') adjacent to the second side face ( 24 ') of the envelope (20'), said first edge (26 ') being profiled to define an open groove having an inner face of which at least a portion substantially corresponds to a section of a cylindrical face, while the second edge (27 ') is profiled to define a longitudinal means whose outer face is adapted to be engaged at least partially in the open groove (26') of a first longitudinal edge of an envelope of an adjacent lamella to form at the least means for at least partial pivoting along a longitudinal axis (A ') between the considered lamella (2) and the adjacent lamella (2a) during the movement of said strips along the guide path at least partially curved.
- the first edge (26 ') of the considered lamella (2) and the second edge (27') of the adjacent lamella are adapted to each other so as to allow at least a relative displacement of limited distance of the lamella considered with respect to said adjacent lamella and / or the second edge (27 ') of the lamella considered (2') and the first edge (26 ') of another adjacent lamella are adapted to each other for allow at least a relative displacement limited distance of the lamella considered with respect to said other adjacent lamella.
- the limited spacing movement is for example between 1mm and 25mm, and is advantageously a function of the width of the slats (width measured vertically when the axes A 'of adjacent slats are located in a vertical plane).
- the first and second lateral faces are profiled so that in the closed position of the door, the portion (23A ') of the first lateral face (23') extending between the first edge (26 ') and the first longitudinal face (21 ') has a portion adapted to touch at least a portion (24A) of the second lateral face (24') extending between the second edge (27 ') and the first longitudinal face (21) of an adjacent lamella (2a), while the portion (24A ') of the second lateral face (24') of the lamella under consideration (2) extending between the first edge (26 ') and the first longitudinal face (21') ) has a portion (24A ') adapted to touch at least a portion (23A) of the portion of the first side face (23') extending between the first edge (26 ') and the first longitudinal face (21') another adjacent lamella (2ter).
- the protrusion 27 ' has the shape of a groove with hook engaged in the groove 26'. Said protuberances and grooves serve as means for holding the slats together.
- the first edge (26 ') of the respective lamella (2) and the second edge (27') of the adjacent lamella (2a) are adapted to each other to allow at least a relative displacement of limited spacing of the lamella considered (2) with respect to said adjacent lamella (2a), and the second edge (27 ') of the lamella considered (2') and the first edge (26 ') of another adjacent lamella (2ter) are adapted to each other to allow at least a relative displacement limited distance of the lamella considered (2) relative to said other adjacent lamella (2ter).
- first and second lateral faces are profiled so that in the closed position of the door, the portion (23B) of the first lateral face (23) extending between the first edge (26 ') and the second longitudinal face (22) has a portion adapted to touch at least one portion (24B) of the second lateral face (24) extending between the metal profile (30) and the second longitudinal face (22) of an adjacent lamella (2a), while the portion (24B) of the second lateral face (24) of the considered lamella (2) extending between the second edge (27 ') and the second longitudinal face (22) has a portion (24B ) adapted to touch at least one portion (23B) of the portion of the first side face (23) extending between the first edge (26 ') and the second longitudinal face (22) of another adjacent face (2ter) .
- the chamber located between the walls 21 'and 22' is advantageously divided into several sub-chambers by reinforcements 202 extending between said walls 21 'and 22'.
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Abstract
Description
La prĆ©sente invention a pour objet une lamelle rĆ©sistant au feu dont plusieurs sont destinĆ©es Ć ĆŖtre associĆ©es les unes aux autres pour former une porte apte Ć ĆŖtre dĆ©placĆ©e entre une position de fermeture et une position ouverte, et inversement, en suivant avantageusement un chemin de guidage au moins partiellement courbe et/ou au moyen d'un systĆØme permettant l'enroulement ou le dĆ©roulement de la porte ou cloison par rapport Ć un support, ladite lamelle comprenant :
- une enveloppe longitudinale en matiĆØre plastique dĆ©finissant une chambre, la dite enveloppe prĆ©sentant au moins une premiĆØre et une deuxiĆØme faces longitudinales destinĆ©es Ć dĆ©finir les faces avant et arriĆØre de l'enveloppe, et des premiĆØre et deuxiĆØme faces latĆ©rales s'Ć©tendant respectivement entre une extrĆ©mitĆ© de la premiĆØre face longitudinale et une extrĆ©mitĆ© de la deuxiĆØme face longitudinale,
- une matiĆØre intumescente remplissant au moins partiellement ladite chambre,
- une gorge longitudinale s'Ć©tendant le long de la premiĆØre face latĆ©rale,
- une protubĆ©rance longitudinale s'Ć©tendant le long de la deuxiĆØme face latĆ©rale, ladite gorge d'une premiĆØre face latĆ©rale de la lamelle considĆ©rĆ©e Ć©tant adaptĆ©e pour recevoir la protubĆ©rance longitudinale d'une deuxiĆØme face latĆ©rale d'une autre lamelle placĆ©e de maniĆØre adjacente Ć la lamelle considĆ©rĆ©e, tandis que la protubĆ©rance de la deuxiĆØme face latĆ©rale de la lamelle considĆ©rĆ©e est adaptĆ©e pour s'engager dans la gorge d'une premiĆØre face latĆ©rale d'une autre lamelle placĆ©e de maniĆØre adjacente Ć la lamelle considĆ©rĆ©e.
- a longitudinal plastic envelope defining a chamber, said envelope having at least first and second longitudinal faces intended to define the front and rear faces of the envelope, and first and second lateral faces respectively extending between one end the first longitudinal face and one end of the second longitudinal face,
- an intumescent material at least partially filling said chamber,
- a longitudinal groove extending along the first lateral face,
- a longitudinal protuberance extending along the second lateral face, said groove of a first lateral face of the lamella considered being adapted to receive the longitudinal protuberance of a second lateral face of another lamella placed adjacent to the lamella considered, while the protrusion of the second side face of the lamella considered is adapted to engage in the groove of a first side face of another lamella placed adjacent to the lamella considered.
Une lamelle de ce type est connu par le document
Bien que la porte prƩparƩe au moyen de lamelles selon ce document
Dans le document
La porte obtenue au moyen de lamelles selon ce document est toujours combustible, de sorte qu'en cas de feu prolongĆ©, une ou des ouvertures importantes peuvent ĆŖtre crĆ©Ć©es.The door obtained by means of lamellae according to this document is always combustible, so that in case of prolonged fire, one or more important openings can be created.
La porte obtenue au moyen de telles lamelles ne prĆ©sente qu'une rĆ©sistance limitĆ©e Ć l'effraction, ainsi qu'une rĆ©sistance limitĆ©e aux chocs, ou souffles, etc.The door obtained by means of such slats has only a limited resistance to burglary, as well as limited resistance to shocks, or blows, etc.
Enfin, on a remarquĆ© que lors de feu trĆØs intense, la destruction d'une lamelle permettait le passage direct de la flamme, tandis que pour des portes de largeur, des mouvements entre lamelles Ć©taient possibles en cas de diffĆ©rence de tempĆ©ratures appliquĆ©es entre les parties verticales extrĆŖmes de la porte.Finally, it was noted that during very intense fire, the destruction of a lamella allowed the direct passage of the flame, while for wide doors, movements between lamellae were possible in case of temperature difference between the parts extreme verticals of the door.
On connaƮt par la
Les lamelles du document
The slats of the document
La prĆ©sente invention a pour objet une lamelle permettant de rĆ©aliser des portes anti feu assurant une rĆ©sistance optimale contre le passage des flammes (mĆŖme si la porte n'est pas abaissĆ©e de maniĆØre optimale), une meilleure rĆ©sistance au passage de la chaleur (la tempĆ©rature de la face de la porte opposĆ©e Ć la face du cĆ“tĆ© de laquelle la flamme est appliquĆ©e reste plus longtemps Ć une tempĆ©rature infĆ©rieure Ć 140Ā°C), et ce mĆŖme en cas de mouvements inadĆ©quats d'une lamelle par rapport Ć une autre.The present invention relates to a blade for making fireproof doors ensuring optimum resistance against the passage of flames (even if the door is not lowered optimally), a better resistance to the passage of heat (temperature the side of the door opposite the side on which the flame is applied remains longer at a temperature below 140 Ā° C), even in case of inadequate movements of one lamella compared to another.
La lamelle selon l'invention permet en outre de rĆ©aliser des portes prĆ©sentant une rĆ©sistance amĆ©liorĆ©e Ć l'effraction et/ou aux chocs et/ou au souffle d'une explosion.The slat according to the invention also makes it possible to produce doors having improved resistance to burglary and / or shock and / or blast explosion.
La lamelle selon l'invention est une lamelle rĆ©sistant au feu dont plusieurs sont destinĆ©es Ć ĆŖtre associĆ©es les unes aux autres pour former une porte ou une cloison, avantageusement apte Ć ĆŖtre dĆ©placĆ©e entre une position de fermeture et une position ouverte, et inversement, en suivant avantageusement un chemin de guidage au moins partiellement courbe et/ou au moyen d'un systĆØme permettant l'enroulement ou le dĆ©roulement de la porte ou cloison par rapport Ć un support, ladite lamelle comprenant :
- une enveloppe longitudinale en matiĆØre plastique ou synthĆ©tique dĆ©finissant une chambre, la dite enveloppe prĆ©sentant au moins une premiĆØre et une deuxiĆØme faces longitudinales destinĆ©es Ć dĆ©finir les faces avant et arriĆØre de l'enveloppe, et des premiĆØre et deuxiĆØme faces latĆ©rales s'Ć©tendant respectivement entre une extrĆ©mitĆ© de la premiĆØre face longitudinale et une extrĆ©mitĆ© de la deuxiĆØme face longitudinale,
- une matiĆØre intumescente remplissant au moins partiellement ladite chambre,
- une gorge longitudinale s'Ć©tendant le long de la premiĆØre face latĆ©rale,
- une protubĆ©rance longitudinale s'Ć©tendant le long de la deuxiĆØme face latĆ©rale, ladite gorge d'une premiĆØre face latĆ©rale de la lamelle considĆ©rĆ©e Ć©tant adaptĆ©e pour recevoir la protubĆ©rance longitudinale d'une deuxiĆØme face latĆ©rale d'une autre lamelle placĆ©e de maniĆØre adjacente Ć la lamelle considĆ©rĆ©e, tandis que la protubĆ©rance de la deuxiĆØme face latĆ©rale de la lamelle considĆ©rĆ©e est adaptĆ©e pour s'engager dans la gorge d'une premiĆØre face latĆ©rale d'une autre lamelle placĆ©e de maniĆØre adjacente Ć la lamelle considĆ©rĆ©e. La lamelle selon l'invention est caractĆ©risĆ©e :
- en ce que la lamelle comprend en outre un profilĆ© mĆ©tallique s'Ć©tendant dans ladite enveloppe de maniĆØre Ć dĆ©finir deux chambres distinctes, Ć savoir une premiĆØre chambre s'Ć©tendant entre la premiĆØre face longitudinale et le profilĆ© mĆ©tallique et une deuxiĆØme chambre longitudinale s'Ć©tendant entre la deuxiĆØme face longitudinale de l'enveloppe et le profilĆ© mĆ©tallique, lesdites premiĆØre et deuxiĆØme chambres Ć©tant remplies au moins partiellement d'un matĆ©riau intumescent,
- en ce que le profilĆ© mĆ©tallique prĆ©sente un premier bord longitudinal (26) adjacent de la premiĆØre face latĆ©rale (23) de l'enveloppe (20), et un deuxiĆØme bord longitudinal (27) adjacent de la deuxiĆØme face latĆ©rale (24) de l'enveloppe (20), ledit premier bord (26) Ć©tant profilĆ© pour dĆ©finir une gorge ouverte prĆ©sentant une face intĆ©rieure dont au moins une partie correspond sensiblement Ć une section d'une face cylindrique, tandis que le deuxiĆØme bord (27) est profilĆ© pour dĆ©finir un moyen longitudinal dont la face extĆ©rieure est adaptĆ©e pour ĆŖtre engagĆ©e au moins partiellement dans la gorge ouverte (26) d'un premier bord longitudinal d'un profilĆ© mĆ©tallique d'une lamelle adjacente pour former au moins un moyen permettant un pivotement au moins partiel le long d'un axe longitudinal (A) entre la lamelle considĆ©rĆ©e (2) et la lamelle adjacente (2bis) lors du mouvement des dites lamelles le long du chemin de guidage au moins partiellement courbe, et
- en ce que le premier bord (26) de la lamelle considĆ©rĆ©e (2) et le deuxiĆØme bord (27) de la lamelle adjacente sont adaptĆ©s l'un Ć l'autre de maniĆØre Ć limiter ou Ć Ć©viter au moins un dĆ©placement relatif d'Ć©cartement de la lamelle considĆ©rĆ©e par rapport Ć ladite lamelle adjacente et/ou le deuxiĆØme bord (27) de la lamelle considĆ©rĆ©e (2) et le premier bord (26) d'une autre lamelle adjacente sont adaptĆ©s l'un Ć l'autre de maniĆØre Ć limiter ou Ć Ć©viter au moins un dĆ©placement relatif d'Ć©cartement de la lamelle considĆ©rĆ©e par rapport Ć ladite autre lamelle adjacente.
- a longitudinal envelope of plastic or synthetic material defining a chamber, said envelope having at least first and second longitudinal faces intended to define the front and rear faces of the envelope, and first and second lateral faces respectively extending between one end of the first longitudinal face and one end of the second longitudinal face,
- an intumescent material at least partially filling said chamber,
- a longitudinal groove extending along the first lateral face,
- a longitudinal protuberance extending along the second lateral face, said groove of a first lateral face of the lamella considered being adapted to receive the longitudinal protuberance of a second lateral face of another lamella placed adjacent to the lamella considered, while the protrusion of the second side face of the lamella considered is adapted to engage in the groove of a first side face of another lamella placed adjacent to the lamella considered. The lamella according to the invention is characterized:
- in that the lamella further comprises a metal section extending in said casing so as to define two distinct chambers, namely a first chamber extending between the first longitudinal face and the metal section and a second longitudinal chamber extending between the second longitudinal face of the envelope and the metal profile, said first and second chambers being filled at least partially with an intumescent material,
- in that the metal profile has a first longitudinal edge (26) adjacent to the first lateral face (23) of the envelope (20), and a second longitudinal edge (27) adjacent to the second lateral face (24) of the shell (20), said first edge (26) being profiled to define an open groove having an inner face of which at least a portion substantially corresponds to a section of a cylindrical face, while the second edge (27) is profiled to defining a longitudinal means whose outer face is adapted to be engaged at least partially in the open groove (26) of a first longitudinal edge of a metal section of an adjacent strip to form at least one means for pivoting at least along a longitudinal axis (A) between the considered lamella (2) and the adjacent lamella (2a) when said slats move along the at least partially curved guide path, and
- in that the first edge (26) of the considered lamella (2) and the second edge (27) of the adjacent lamella are adapted to each other so as to limit or avoid at least one relative displacement of of the lamella considered with respect to said adjacent lamella and / or the second edge (27) of the lamella in question (2) and the first edge (26) of another adjacent lamella are adapted to each other. so as to limit or to avoid at least one relative movement of spacing of the lamella considered with respect to said other adjacent lamella.
Dans la lamelle selon l'invention, le profilĆ© mĆ©tallique sert de moyen pour diviser l'enveloppe en au moins deux chambres distinctes (une Ć©tant destinĆ©e Ć ĆŖtre diriger le long d'une paroi du profilĆ© mĆ©tallique, tandis que l'autre est destinĆ©e Ć ĆŖtre dirigĆ©e le long de l'autre paroi du profilĆ© mĆ©tallique). Le profilĆ© mĆ©tallique a en outre une ou plusieurs fonctions choisis parmi :
- moyen pour rĆ©partir la chaleur de maniĆØre uniforme dans la lamelle,
- moyen pour empĆŖcher le passage de flammes Ć travers la lamelle et entre deux lamelles adjacentes,
- moyen de liaison mƩcanique des lamelles entre elles,
- moyen pour rĆ©partir de maniĆØre plus uniforme la chaleur entre les diffĆ©rentes lamelles adjacentes,
- moyen anti effraction,
- moyen pour ralentir la hausse de la tempƩrature le long de la paroi non exposƩe au feu,
- moyen de rƩsistance au choc et/ou au souffle d'une explosion,
- moyen rƩsistant au passage d'eau, en particulier en cas de jet d'eau important, par exemple d'une lance d'incendie, et
- les combinaisons de ces fonctions.
- means for distributing the heat uniformly in the lamella,
- means to prevent the passage of flames through the lamella and between two adjacent lamellae,
- means of mechanical connection of the lamellae to each other,
- means to distribute the heat more evenly between the different adjacent lamellae,
- anti-burglary means,
- means to slow the rise in temperature along the wall not exposed to fire,
- means of resistance to the shock and / or the blast of an explosion,
- means resistant to the passage of water, in particular in case of large water jet, for example a fire hose, and
- the combinations of these functions.
On a de plus remarquĆ© que les lamelles selon l'invention permettaient dans des formes de rĆ©alisation, de rĆ©aliser des portes plus Ć©tanches aux fumĆ©es et permettant une adhĆ©rence des faces latĆ©rales des lamelles adjacentes le long de tous leurs bords longitudinaux, une fois la tempĆ©rature de ramollissement de la matiĆØre thermoplastique ou thermoformable atteinte.It has furthermore been noted that the lamellae according to the invention made it possible, in embodiments, to produce doors which are more smoke-tight and which allow adhesion of the lateral faces of the adjacent lamellae along all their longitudinal edges, once the temperature of the softening of the thermoplastic or thermoformable material reached.
Selon un dĆ©tail avantageux, le premier bord longitudinal (26) du profilĆ© mĆ©tallique prĆ©sente une extrĆ©mitĆ© courbe ou en crochet (51), tandis que le deuxiĆØme bord longitudinal (27) prĆ©sente une extrĆ©mitĆ© courbe ou en crochet (53), l'extrĆ©mitĆ© courbe ou en crochet (51) du premier bord longitudinal (26) du profilĆ© mĆ©tallique de la lamelle considĆ©rĆ©e Ć©tant adaptĆ©e pour ĆŖtre engagĆ©e dans l'extrĆ©mitĆ© courbe ou en crochet (53) d'un profilĆ© mĆ©tallique d'un deuxiĆØme bord longitudinal (27) d'une lamelle adjacente Ć la lamelle considĆ©rĆ©e, lorsque la porte ou cloison est en position fermĆ©e, tandis que l'extrĆ©mitĆ© courbe ou en forme de crochet (53) du deuxiĆØme bord longitudinal (27) du profilĆ© mĆ©tallique de la lamelle considĆ©rĆ©e Ć©tant adaptĆ©e pour ĆŖtre engagĆ©e dans l'extrĆ©mitĆ© courbe ou en crochet (51) du profilĆ© mĆ©tallique d'un premier bord longitudinal (26) d'une autre lamelle adjacente Ć la lamelle considĆ©rĆ©e, lorsque la porte ou cloison est en position fermĆ©e. Ceci permet d'assurer qu'en position fermĆ©e, les diffĆ©rents profilĆ©s mĆ©talliques des lamelles d'une porte forment une paroi sensiblement continue avec les profilĆ©s reliĆ©s les uns aux autres avec les bords longitudinaux en crochet de chaque profilĆ© d'une lamelle engagĆ©s dans et en contact avec un bord longitudinal en crochet de profilĆ©s mĆ©talliques de lamelles adjacentes.
Les bords longitudinaux en crochet des profilĆ©s mĆ©talliques sont avantageusement adaptĆ©s pour que lorsque les lamelles de la porte en position fermĆ©e s'Ć©tendent dans un plan sensiblement vertical, les bords en crochet des profilĆ©s mĆ©talliques s'opposent au retrait d'un profilĆ© mĆ©tallique par rapport Ć un profilĆ© adjacent par un mouvement dans une direction perpendiculaire au plan sensiblement vertical de la porte ou paroi.According to an advantageous detail, the first longitudinal edge (26) of the metal profile has a curved or hooked end (51), while the second longitudinal edge (27) has a curved or hooked end (53), the curved end or hook (51) of the first longitudinal edge (26) of the metal section of the lamella considered being adapted to be engaged in the curved or hooked end (53) of a metal section of a second longitudinal edge (27) a lamella adjacent to the lamella considered, when the door or partition is in the closed position, while the curved end or hook-shaped (53) of the second longitudinal edge (27) of the metal section of the lamella considered adapted to be engaged in the curved or hooked end (51) of the metal profile of a first longitudinal edge (26) of another lamella adjacent to the considered lamella, when the door or partition is in position. closed. This ensures that in the closed position, the different metal sections of the lamellae of a door form a substantially continuous wall with the sections connected to each other with the longitudinal hook edges of each section of a strip engaged in and in contact with a longitudinal hook edge of metal profiles of adjacent lamellae.
The longitudinal hook edges of the metal profiles are advantageously adapted so that when the slats of the door in the closed position extend in a substantially vertical plane, the hooked edges of the metal profiles oppose the withdrawal of a metal section relative to to an adjacent profile by a movement in a direction perpendicular to the substantially vertical plane of the door or wall.
Selon une particularitĆ©, les premiĆØre et deuxiĆØme faces latĆ©rales sont profilĆ©es de maniĆØre Ć ce qu'en position fermĆ©e de la porte, la partie (23A) de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la premiĆØre face longitudinale (21) prĆ©sente une portion adaptĆ©e pour toucher au moins une portion (24A) de la deuxiĆØme face latĆ©rale (24) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la premiĆØre face longitudinale (21) d'une lamelle adjacente (2bis), tandis que la partie (24A) de la deuxiĆØme face latĆ©rale (24) de la lamelle considĆ©rĆ©e (2) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la premiĆØre face longitudinale (21) prĆ©sente une portion (24A) adaptĆ©e pour toucher au moins une portion (23A) de la partie de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la premiĆØre face longitudinale (21) d'une autre lamelle adjacente (2ter).
Ceci permet d'assurer une certaine ƩtanchƩitƩ supplƩmentaire de la porte le long d'une de ses faces, avantageusement cƓtƩ extƩrieure de la porte.According to a feature, the first and second lateral faces are profiled so that in the closed position of the door, the portion (23A) of the first lateral face (23) extending between the metal section (30) and the first longitudinal face (21) has a portion adapted to touch at least a portion (24A) of the second lateral face (24) extending between the metal section (30) and the first longitudinal face (21) of an adjacent lamella (2a), whereas the portion (24A) of the second lateral face (24) of the considered lamella (2) extending between the metal section (30) and the first longitudinal face (21) has a portion (24A) adapted to touch at least a portion (23A) of the portion of the first side face (23) extending between the metal profile (30) and the first longitudinal face (21) of another adjacent lamella (2ter).
This ensures a certain additional sealing of the door along one of its faces, preferably outside the door.
Selon une autre particularitĆ© de la porte, le premier bord (26) de la lamelle considĆ©rĆ©e (2) et le deuxiĆØme bord (27) de la lamelle adjacente (2bis) sont adaptĆ©s l'un Ć l'autre pour permettre au moins un dĆ©placement relatif d'Ć©cartement limitĆ© de la lamelle considĆ©rĆ©e (2) par rapport Ć ladite lamelle adjacente (2bis) et/ou en ce que le deuxiĆØme bord (27) de la lamelle considĆ©rĆ©e (2) et le premier bord (26) d'une autre lamelle adjacente (2ter) sont adaptĆ©s l'un Ć l'autre pour permettre au moins un dĆ©placement relatif d'Ć©cartement limitĆ© de la lamelle considĆ©rĆ©e (2) par rapport Ć ladite autre lamelle adjacente (2ter).
Le mouvement d'Ć©cartement limitĆ© est par exemple compris entre 1mm et 25mm, et est avantageusement fonction de la largeur des lamelles (largeur mesurĆ©e verticalement lorsque les axes de pivotement A' des lamelles adjacentes s'Ć©tendent dans un mĆŖme plan).According to another feature of the door, the first edge (26) of the lamella considered (2) and the second edge (27) of the adjacent lamella (2a) are adapted to each other to allow at least one displacement relative of limited spacing of the considered lamella (2) with respect to said adjacent lamella (2bis) and / or in that the second edge (27) of the lamella considered (2) and the first edge (26) of a other adjacent lamella (2b) are adapted to each other to allow at least a relative displacement limited distance of the lamella considered (2) relative to said other adjacent lamella (2ter).
The limited spacing movement is for example between 1mm and 25mm, and is advantageously a function of the width of the lamellae (width measured vertically when the pivot axes A 'of the adjacent lamellae extend in the same plane).
Selon un dĆ©tail avantageux, les premiĆØre et deuxiĆØme faces latĆ©rales sont profilĆ©es de maniĆØre Ć ce qu'en position fermĆ©e de la porte ou cloison, la partie (23B) de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la deuxiĆØme face longitudinale (22) prĆ©sente une portion adaptĆ©e pour toucher au moins une portion (24B) de la deuxiĆØme face latĆ©rale (24) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la deuxiĆØme face longitudinale (22) d'une lamelle adjacente (2bis), tandis que la partie (24B) de la deuxiĆØme face latĆ©rale (24) de la lamelle considĆ©rĆ©e (2) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la deuxiĆØme face longitudinale (22) prĆ©sente une portion (24B) adaptĆ©e pour toucher au moins une portion (23B) de la partie de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la deuxiĆØme face longitudinale (22) d'une autre lamelle adjacente (2ter).According to an advantageous detail, the first and second lateral faces are profiled so that in the closed position of the door or partition, the portion (23B) of the first lateral face (23) extending between the metal section (30) ) and the second longitudinal face (22) has a portion adapted to touch at least a portion (24B) of the second lateral face (24) extending between the metal section (30) and the second longitudinal face (22) of a adjacent lamella (2a), while the portion (24B) of the second lateral face (24) of the lamella under consideration (2) extending between the metal section (30) and the second longitudinal face (22) has a portion ( 24B) adapted to touch at least one portion (23B) of the portion of the first side face (23) extending between the metal section (30) and the second longitudinal face (22) of another adjacent faceplate (2ter) .
Dans une forme de rĆ©alisation particuliĆØre, mais prĆ©fĆ©rĆ©e, en position fermĆ©e de la porte ou cloison, les premiĆØre et deuxiĆØme faces latĆ©rales sont profilĆ©es de maniĆØre Ć ce qu'en position fermĆ©e de la porte ou cloison, les parties (23A,23B) de la premiĆØre face latĆ©rale (23) s'Ć©tendant respectivement entre le profilĆ© mĆ©tallique (30) et la premiĆØre face longitudinale (22) et entre le profilĆ© mĆ©tallique (30) et la deuxiĆØme face longitudinale (21) prĆ©sentent chacune une portion adaptĆ©e pour toucher respectivement au moins une portion (24A) de la premiĆØre face latĆ©rale s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la premiĆØre face longitudinale (21) d'une lamelle adjacente (2bis) et au moins une portion (24B) de la deuxiĆØme face latĆ©rale (24) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la deuxiĆØme face longitudinale (22) d'une lamelle adjacente (2bis), tandis que les partie (24A, 24B) de la deuxiĆØme face latĆ©rale (24) de la lamelle considĆ©rĆ©e (2) s'Ć©tendant respectivement entre le profilĆ© mĆ©tallique (30) et la premiĆØre face longitudinale (21) et entre le profilĆ© mĆ©tallique (30) et la deuxiĆØme face longitudinale (22) de la lamelle considĆ©rĆ©e prĆ©sentent chacune une portion (24A,24B) adaptĆ©e pour toucher respectivement au moins une portion (23A) de la partie de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la premiĆØre face longitudinale (21) d'une autre lamelle adjacente (2ter) et au moins une portion (23B) de la partie de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la deuxiĆØme face longitudinale (22) de ladite autre lamelle adjacente (2ter).In a particular but preferred embodiment, in the closed position of the door or partition, the first and second lateral faces are profiled so that in the closed position of the door or partition, the portions (23A, 23B) of the the first lateral face (23) extending respectively between the metal profile (30) and the first longitudinal face (22) and between the metal profile (30) and the second longitudinal face (21) each have a portion adapted to touch respectively at least one portion (24A) of the first lateral face extending between the metal section (30) and the first longitudinal face (21) of an adjacent lamella (2a) and at least one portion (24B) of the second face lateral section (24) extending between the metal profile (30) and the second longitudinal face (22) of an adjacent lamella (2a), while the portions (24A, 24B) of the second lateral face (24) of the lamella considered (2) extending respectively between the metal profile (30) and the first longitudinal face (21) and between the metal section (30) and the second longitudinal face (22) of the strip considered each have a portion (24A, 24B) adapted to respectively touching at least a portion (23A) of the portion of the first side face (23) extending between the metal section (30) and the first longitudinal face (21) of another adjacent lamella (2ter) and at least a portion (23B) of the portion of the first side face (23) extending between the metal section (30) and the second longitudinal face (22) of said other adjacent faceplate (2ter).
Selon une autre particularitĆ©, l'enveloppe recouvre au moins partiellement le premier bord longitudinal et/ou au moins partiellement de deuxiĆØme bord longitudinal. Ceci permet d'assurer un meilleur accrochage de l'enveloppe au profilĆ© mĆ©tallique.
Dans des formes de rĆ©alisation, ceci permet Ć©galement d'Ć©viter un contact direct entre deux portions mĆ©talliques de deux lamelles diffĆ©rentes. De plus, en cas de dilatation des profilĆ©s mĆ©talliques due Ć un incendie, la matiĆØre thermoplastique ou thermoformable prĆ©sente entre deux bords longitudinaux de deux lamelles adjacentes sera comprimĆ©e.According to another feature, the envelope covers at least partially the first longitudinal edge and / or at least partially second longitudinal edge. This ensures a better attachment of the envelope to the metal profile.
In embodiments, this also avoids direct contact between two metal portions of two different lamellae. In addition, in case of expansion of the metal profiles due to fire, the thermoplastic or thermoformable material between two longitudinal edges of two adjacent lamellae will be compressed.
De prĆ©fĆ©rence, au moins le premier bord longitudinal et/ou le deuxiĆØme bord longitudinal est recouvert complĆØtement par l'enveloppe ou par de la matiĆØre thermoplastique ou par une couche de protection. En particulier, les deux bords longitudinaux sont recouverts par l'enveloppe, ceci assurant alors une excellente protection contre l'usure et la corrosion, ainsi qu'une excellente adhĆ©rence des deux chambres.Preferably, at least the first longitudinal edge and / or the second longitudinal edge is completely covered by the envelope or by the thermoplastic material or by a protective layer. In particular, the two longitudinal edges are covered by the casing, this then providing excellent protection against wear and corrosion, as well as excellent adhesion of the two chambers.
Selon une forme de rĆ©alisation prĆ©fĆ©rĆ©e, les faces latĆ©rales (23A,23B) d'une premiĆØre chambre situĆ©e le long d'une premiĆØre face du profilĆ© mĆ©tallique et les faces latĆ©rales (24A,24B) d'une deuxiĆØme chambre situĆ©e le long d'une deuxiĆØme face du profilĆ© mĆ©tallique opposĆ©e Ć ladite premiĆØre face du profilĆ© mĆ©tallique sont adaptĆ©es pour qu'en position fermĆ©e de la porte ou cloison, les premiĆØres chambres de lamelles adjacentes forment un premier revĆŖtement continu, tandis que les deuxiĆØmes chambres de lamelles adjacentes forment un deuxiĆØme revĆŖtement continu, les profilĆ©s mĆ©talliques desdites lamelles adjacentes s'Ć©tendant entre ledit premier revĆŖtement continu et ledit deuxiĆØme revĆŖtement continu. Les profilĆ©s mĆ©talliques des lamelles sont ainsi protĆ©gĆ©s sur leurs deux faces opposĆ©es par un revĆŖtement continu formĆ© de chambres adjacentes contenant de la matiĆØre intumescente. Ceci assure une excellente protection contre le passage du feu, contre le passage de chaleur et contre le passage de fumĆ©es.According to a preferred embodiment, the side faces (23A, 23B) of a first chamber located along a first face of the metal profile and the side faces (24A, 24B) of a second chamber located along a second face of the metal profile opposite said first face of the metal section is adapted so that in the closed position of the door or partition, the first adjacent lamella chambers form a first continuous coating, while the second adjacent lamella chambers form a second continuous coating, the metal profiles of said adjacent lamellae extending between said first continuous coating and said second continuous coating. The metal sections of the slats are thus protected on their two opposite faces by a continuous coating formed of adjacent chambers containing intumescent material. This ensures excellent protection against the passage of fire, against the passage of heat and against the passage of fumes.
Avantageusement, l'enveloppe est rĆ©alisĆ©e en un matĆ©riau thermoplastique ou thermoformable, prĆ©sentant un point de fusion ou point de thermoformabilitĆ© supĆ©rieur Ć 170Ā°C, avantageusement supĆ©rieur Ć 200Ā°C, de prĆ©fĆ©rence supĆ©rieur Ć 210Ā°C. A titre de matiĆØre thermoplastique ou thermoformable, on peut citer le PVC, le Polycarbonate, le Nylon, polyamides, etc., combinaisons de ceux-ci, structure multi couche de ceux-ci, structure thermoformable avec renfort, tissus de verre, tissus de carbone, fibres de verre, fibres minĆ©rales, fibres de basalt, etc.Advantageously, the envelope is made of a thermoplastic or thermoformable material, having a melting point or thermoformability point greater than 170 Ā° C, preferably greater than 200 Ā° C, preferably greater than 210 Ā° C. As a thermoplastic or thermoformable material, mention may be made of PVC, polycarbonate, nylon, polyamides, etc., combinations thereof, multi-layer structure thereof, thermoformable structure with reinforcement, glass fabrics, fabrics of carbon, fiberglass, mineral fiber, basalt fiber, etc.
Selon une forme de rĆ©alisation prĆ©fĆ©rĆ©e, le profilĆ© mĆ©tallique est muni partiellement ou totalement, d'une couche de protection et/ou d'une couche amĆ©liorant l'adhĆ©rence de la matiĆØre thermoplastique des chambres (par exemple d'une couche thermoplastique compatible avec la matiĆØre utilisĆ©e pour former les parois des chambres) et/ou une couche anti corrosion, et/ou d'une couche de glissement ou anti friction (par exemple au niveau d'un ou des bords longitudinaux).
Pour favoriser l'accrochage des chambres, le profilƩ mƩtallique peut Ʃgalement subir un traitement chimique et/ou mƩcanique, par exemple un traitement mƩcanique pour crƩer des bosses ou micro bosses ou une rugositƩ de surface au moins partiellement pour les parois qui doivent supporter les chambres.According to a preferred embodiment, the metal section is partially or totally provided with a protective layer and / or a layer for improving the adhesion of the thermoplastic material of the chambers (for example a thermoplastic layer compatible with the material used to form the walls of the chambers) and / or an anti-corrosion layer, and / or a sliding or anti-friction layer (for example at one or more longitudinal edges).
To promote the attachment of the chambers, the metal section may also undergo a chemical and / or mechanical treatment, for example a mechanical treatment to create bumps or micro bumps or a surface roughness at least partially for the walls that must support the chambers .
Selon une autre caractĆ©ristique, les chambres sont remplies sensiblement complĆØtement avec une composition contenant un ou des matĆ©riaux intumescents, ladite composition Ć©tant avantageusement introduite sous pression, de maniĆØre Ć limiter le volume d'air ou de gaz prĆ©sent dans les chambres.According to another characteristic, the chambers are filled substantially completely with a composition containing one or intumescent materials, said composition being advantageously introduced under pressure, so as to limit the volume of air or gas present in the chambers.
Selon une caractĆ©ristique, l'enveloppe et le profilĆ© mĆ©tallique sont associĆ©s l'un Ć l'autre au moins par une co-extrusion ou pultrusion de matiĆØre thermoplastique ou thermoformable par rapport au profilĆ© mĆ©tallique, Ć©ventuellement muni d'une couche plastique ou synthĆ©tique ou d'accrochage ou de protection, en particulier muni d'une couche thermoplastique. Pour cette co-extrusion ou cette pultrusion, on utilise avantageusement une filiĆØre.According to one feature, the casing and the metal section are associated with each other at least by co-extrusion or pultrusion of thermoplastic or thermoformable material with respect to the metal section, optionally provided with a plastic or synthetic layer or fastening or protection, in particular provided with a thermoplastic layer. For this coextrusion or pultrusion, a die is advantageously used.
Avantageusement, le premier bord longitudinal et le deuxiĆØme bord longitudinal du profilĆ© mĆ©tallique sont profilĆ©s avant la coextrusion ou la pultrusion de matiĆØre thermoplastique ou thermoformable.Advantageously, the first longitudinal edge and the second longitudinal edge of the metal section are profiled before coextrusion or pultrusion of thermoplastic or thermoformable material.
De prĆ©fĆ©rence, au moins une composition intumescente est introduite dans les chambres pendant ou aprĆØs l'Ć©tape de coextrusion ou de pultrusion.
En particulier, au moins la composition intumescente est introduite dans les chambres sous pression, avantageusement sous une pression supĆ©rieure Ć 2 105 Pa, par exemple Ć une pression comprise entre 3 105 Pa et 10 105 Pa.Preferably, at least one intumescent composition is introduced into the chambers during or after the coextrusion or pultrusion step.
In particular, at least the intumescent composition is introduced into the pressure chambers, advantageously under a pressure greater than 2 Ć 10 5 Pa, for example at a pressure of between 3 Ć 10 5 Pa and 10 Ć 10 5 Pa.
Selon une forme avantageuse, la coextrusion ou pultrusion s'opĆØre dans une filiĆØre comprenant une partie apte Ć limiter au moins la forme extĆ©rieure des parois des chambres encore chaudes, au moins une composition au moins partiellement intumescente est injectĆ©e sous pression dans les portions des chambres situĆ©es dans ladite partie de la filiĆØre apte Ć limiter au moins la forme extĆ©rieure des parois des chambres encore chaudes.According to an advantageous form, the coextrusion or pultrusion is carried out in a die comprising a portion capable of limiting at least the outer shape of the walls of the still hot chambers, at least one at least partially intumescent composition is injected under pressure into the portions of the chambers located in said portion of the die capable of limiting at least the outer shape of the walls of the still hot rooms.
L'invention a Ć©galement pour objet une porte comprenant au moins une sĆ©rie de 5 lamelles selon l'invention, les lamelles Ć©tant reliĆ©es les unes aux autres, deux Ć deux, via les bords longitudinaux de leur profilĆ© mĆ©tallique. les lamelles sont donc pivotables deux Ć deux par rapport Ć l'autre le long d'un axe de pivotement longitudinal. Cet axe de pivotement est dĆ©fini par l'axe de pivotement du bord longitudinal d'une face latĆ©rale d'une lamelle par rapport au bord longitudinal d'une face latĆ©rale d'une lamelle adjacente. Entre les bords longitudinaux, on place avantageusement une piĆØce anti-friction ou anti-usure, telle que par exemple une couche en polyamide(s) ou Nylon.The invention also relates to a door comprising at least one series of 5 slats according to the invention, the slats being connected to each other, two by two, via the longitudinal edges of their metal profile. the slats are pivotable in pairs relative to each other along a longitudinal pivot axis. This pivot axis is defined by the axis of pivoting of the longitudinal edge of a side face of a lamella with respect to the longitudinal edge of a side face of an adjacent lamella. Between the longitudinal edges, it is advantageous to place an anti-friction or anti-wear part, such as for example a layer of polyamide (s) or nylon.
Selon une particularitĆ© de la porte, elle comprend au moins un chemin de guidage et au moins un mĆ©canisme Ć moteur pour contrĆ“ler l'ouverture ou la fermeture de la porte, ledit mĆ©canisme Ć©tant avantageusement reliĆ© au bord longitudinal du profilĆ© mĆ©tallique d'au moins une lamelle extrĆŖme, avantageusement des lamelles extrĆŖmes. Si les lamelles de la porte sont destinĆ©es Ć s'enrouler autour d'un tambour, le bord longitudinal d'une lamelle extrĆŖme peut ĆŖtre attachĆ© en plusieurs points au tambour ou Ć une piĆØce du tambour. Ceci assure alors une meilleure fiabilitĆ© de la porte.According to a feature of the door, it comprises at least one guide path and at least one motor mechanism for controlling the opening or closing of the door, said mechanism being advantageously connected to the longitudinal edge of the metal profile of at least one extreme lamella, advantageously extreme lamellae. If the slats of the door are to wrap around a drum, the longitudinal edge of an end slat can be attached at several points to the drum or drum part. This ensures a better reliability of the door.
Deux lamelles adjacentes peuvent ĆŖtre associĆ©es l'une Ć l'autre par glissement longitudinal d'un bord longitudinal d'une face latĆ©rale d'une lamelle ou d'une partie de celui ci, par clipsage au moins partiel d'un bord longitudinal d'une face d'une lamelle dans le bord longitudinal d'une face latĆ©rale d'une autre lamelle adjacente, et/ou par accrochage d'un bord longitudinal d'une face latĆ©rale d'une lamelle dans le bord longitudinal d'une face latĆ©rale d'une lamelle adjacente.Two adjacent lamellae may be associated with one another by longitudinal sliding of a longitudinal edge of a lateral face of a lamella or part thereof, by at least partial clipping of a longitudinal edge of one face of a lamella in the longitudinal edge of a lateral face of another adjacent lamella, and / or by attachment of a longitudinal edge of a lateral face of a lamella in the longitudinal edge of a face side of an adjacent lamella.
L'invention a encore pour objet un procĆ©dĆ© de fabrication d'une lamelle suivant l'invention, dans lequel on co-extrude de la matiĆØre thermoplastique ou thermoformable autour d'un profilĆ© mĆ©tallique, Ć©ventuellement muni d'une couche plastique ou synthĆ©tique ou d'accrochage ou de protection, en particulier muni d'une couche thermoplastique, pour former de part et d'autre dudit profilĆ© au moins une chambre, et dans lequel on injecte, avantageusement sous pression supĆ©rieure Ć 2 105Pa, dans chacune desdites chambres au moins une matiĆØre ou composition au moins partiellement intumescente.The subject of the invention is also a process for manufacturing a lamella according to the invention, in which the thermoplastic or thermoformable material is coextruded around a metal section, optionally provided with a plastic or synthetic layer or hooking or protection, in particular provided with a thermoplastic layer, to form on either side of said profile at least one chamber, and in which one injects, advantageously under pressure greater than 2 10 5 Pa, into each of said chambers at least one material or composition that is at least partially intumescent.
Avantageusement, la matiĆØre ou composition intumescente injectĆ©e est choisie pour former aprĆØs durcissement ou abaissement de la tempĆ©rature Ć une tempĆ©rature de moins de 50Ā°C, une phase solide ou sensiblement solide, et/ou Ć©lastique.Advantageously, the injected intumescent material or composition is chosen to form, after hardening or lowering the temperature at a temperature of less than 50 Ā° C., a solid or substantially solid and / or elastic phase.
De prĆ©fĆ©rence, la matiĆØre ou composition intumescente est injectĆ©e dans les chambres, lorsque la tempĆ©rature des parois de l'enveloppe est encore supĆ©rieure Ć 50Ā°C, avantageusement supĆ©rieure Ć 75Ā°C, de prĆ©fĆ©rence supĆ©rieure Ć 100Ā°C, en particulier Ć une tempĆ©rature comprise entre 110Ā°C et 160Ā°C. La tempĆ©rature maximale est naturellement infĆ©rieure Ć la tempĆ©rature de ramollissement de la matiĆØre de l'enveloppe.Preferably, the intumescent material or composition is injected into the chambers, when the temperature of the walls of the envelope is still greater than 50.degree. C., advantageously greater than 75.degree. C., preferably greater than 100.degree. temperature between 110 Ā° C and 160 Ā° C. The maximum temperature is naturally lower than the softening temperature of the shell material.
Un autre procĆ©dĆ© de fabrication d'une lamelle suivant l'invention est un procĆ©dĆ© dans lequel on emboutit Ć chaud une structure formĆ©e d'au moins:
- une premiĆØre coque en matiĆØre thermoplastique ou thermoformable,
- une premiĆØre couche de matiĆØre intumescente avantageusement associĆ©e Ć la premiĆØre coque,
- un profilĆ© mĆ©tallique sensiblement plat, Ć©ventuellement muni d'une couche plastique ou synthĆ©tique ou d'accrochage ou de protection, en particulier muni d'une couche thermoplastique, ledit profilĆ© mĆ©tallique Ć©tant Ć©ventuellement dĆ©jĆ profilĆ© pour obtenir lesdits premier et deuxiĆØme bords longitudinaux
- une deuxiĆØme couche de matiĆØre intumescente avantageusement associĆ©e Ć une deuxiĆØme coque, et
- une deuxiĆØme coque en matiĆØre thermoplastique ou thermoformable associĆ©e Ć une couche de matiĆØre intumescente,
Avantageusement, au moins une des coques, de prĆ©fĆ©rence les deux coques prĆ©sentent deux extrĆ©mitĆ©s longitudinales sensiblement planes sĆ©parĆ©es l'une de l'autre par une gouttiĆØre, avantageusement munie de la couche intumescente, lesdites extrĆ©mitĆ©s sensiblement planes prĆ©sentant une largeur adaptĆ©e pour s'Ć©tendre au moins partiellement au niveau des bords longitudinaux du profilĆ© mĆ©tallique, de prĆ©fĆ©rence au delĆ des bords longitudinaux du profilĆ© mĆ©tallique, avant emboutissage Ć chaud.Another method of manufacturing a lamella according to the invention is a method in which a structure formed of at least:
- a first shell of thermoplastic or thermoformable material,
- a first layer of intumescent material advantageously associated with the first shell,
- a substantially flat metal section, possibly provided with a plastic or synthetic layer or hooking or protection, in particular provided with a thermoplastic layer, said metal section possibly being profiled to obtain said first and second longitudinal edges
- a second layer of intumescent material advantageously associated with a second shell, and
- a second shell of thermoplastic or thermoformable material associated with a layer of intumescent material,
Advantageously, at least one of the shells, preferably the two shells have two substantially planar longitudinal ends separated from one another by a gutter, advantageously provided with the intumescent layer, said substantially flat ends having a width adapted to extend at least partially at the longitudinal edges of the metal profile, preferably beyond the longitudinal edges of the metal section, before hot stamping.
De prĆ©fĆ©rence, lesdites extrĆ©mitĆ©s sensiblement planes des coques en matiĆØre thermoplastique ou thermoformable ont une largeur adaptĆ©e pour que les bords des lamelles aprĆØs emboutissage soient formĆ©s d'une partie du profilĆ© mĆ©tallique recouvert complĆØtement de matiĆØre thermoplastique ou thermoformable.Preferably, said substantially planar ends of the hulls of thermoplastic or thermoformable material have a width adapted so that the edges of the strips after stamping are formed of a portion of the metal section completely covered with thermoplastic or thermoformable material.
L'invention a encore pour objet une lamelle rĆ©sistant au feu dont plusieurs sont destinĆ©es Ć ĆŖtre associĆ©es les unes aux autres pour former une porte ou une cloison, avantageusement apte Ć ĆŖtre dĆ©placĆ©e entre une position de fermeture et une position ouverte, et inversement, en suivant avantageusement un chemin de guidage au moins partiellement courbe et/ou au moyen d'un systĆØme permettant l'enroulement ou le dĆ©roulement de la porte ou cloison par rapport Ć un support, ladite lamelle comprenant :
- une enveloppe longitudinale en matiĆØre plastique ou synthĆ©tique dĆ©finissant une chambre, la dite enveloppe prĆ©sentant au moins une premiĆØre et une deuxiĆØme faces longitudinales destinĆ©es Ć dĆ©finir les faces avant et arriĆØre de l'enveloppe, et des premiĆØre et deuxiĆØme faces latĆ©rales s'Ć©tendant respectivement entre une extrĆ©mitĆ© de la premiĆØre face longitudinale et une extrĆ©mitĆ© de la deuxiĆØme face longitudinale,
- une matiĆØre intumescente remplissant au moins partiellement ladite chambre,
- une gorge longitudinale s'Ć©tendant le long de la premiĆØre face latĆ©rale,
- une protubĆ©rance longitudinale s'Ć©tendant le long de la deuxiĆØme face latĆ©rale, ladite gorge d'une premiĆØre face latĆ©rale de la lamelle considĆ©rĆ©e Ć©tant adaptĆ©e pour recevoir la protubĆ©rance longitudinale d'une deuxiĆØme face latĆ©rale d'une autre lamelle placĆ©e de maniĆØre adjacente Ć la lamelle considĆ©rĆ©e, tandis que la protubĆ©rance de la deuxiĆØme face latĆ©rale de la lamelle considĆ©rĆ©e est adaptĆ©e pour s'engager dans la gorge d'une premiĆØre face latĆ©rale d'une autre lamelle placĆ©e de maniĆØre adjacente Ć la lamelle considĆ©rĆ©e.
- a longitudinal envelope of plastic or synthetic material defining a chamber, said envelope having at least first and second longitudinal faces intended to define the front and rear faces of the envelope, and first and second lateral faces respectively extending between one end of the first longitudinal face and one end of the second longitudinal face,
- an intumescent material at least partially filling said chamber,
- a longitudinal groove extending along the first lateral face,
- a longitudinal protuberance extending along the second lateral face, said groove of a first lateral face of the lamella considered being adapted to receive the longitudinal protuberance of a second lateral face of another lamella placed adjacent to the lamella considered, while the protrusion of the second side face of the lamella considered is adapted to engage in the groove of a first side face of another lamella placed adjacent to the lamella considered.
La lamelle selon cette derniĆØre invention est caractĆ©risĆ©e
- en ce que la lamelle comprend une enveloppe prĆ©sentant ou associĆ©e Ć un premier bord longitudinal (26') adjacent de la premiĆØre face latĆ©rale (23') de l'enveloppe (20'), et un deuxiĆØme bord longitudinal (27') adjacent de la deuxiĆØme face latĆ©rale (24') de l'enveloppe (20'), ledit premier bord (26') Ć©tant profilĆ© pour dĆ©finir une gorge ouverte prĆ©sentant une face intĆ©rieure dont au moins une partie correspond sensiblement Ć une section d'une face cylindrique, tandis que le deuxiĆØme bord (27') est profilĆ© pour dĆ©finir un moyen longitudinal dont la face extĆ©rieure est adaptĆ©e pour ĆŖtre engagĆ©e au moins partiellement dans la gorge ouverte (26') d'un premier bord longitudinal d'une enveloppe d'une lamelle adjacente pour former au moins un moyen permettant un pivotement au moins partiel le long d'un axe longitudinal (A') entre la lamelle considĆ©rĆ©e (2) et la lamelle adjacente (2bis) lors du mouvement des dites lamelles le long du chemin de guidage au moins partiellement courbe, et
- en ce que le premier bord (26') de la lamelle considĆ©rĆ©e (2) et le deuxiĆØme bord (27') de la lamelle adjacente sont adaptĆ©s l'un Ć l'autre de maniĆØre Ć permettre au moins un dĆ©placement relatif d'Ć©cartement limitĆ© de la lamelle considĆ©rĆ©e par rapport Ć ladite lamelle adjacente et/ou le deuxiĆØme bord (27') de la lamelle considĆ©rĆ©e (2') et le premier bord (26') d'une autre lamelle adjacente sont adaptĆ©s l'un Ć l'autre pour permettre au moins un dĆ©placement relatif d'Ć©cartement limitĆ© de la lamelle considĆ©rĆ©e par rapport Ć ladite autre lamelle adjacente.
Selon une forme de rĆ©alisation, les premiĆØre et deuxiĆØme faces latĆ©rales sont profilĆ©es de maniĆØre Ć ce qu'en position fermĆ©e de la porte, la partie (23A') de la premiĆØre face latĆ©rale (23') s'Ć©tendant entre le premier bord (26') et la premiĆØre face longitudinale (21') prĆ©sente une portion adaptĆ©e pour toucher au moins une portion (24A) de la deuxiĆØme face latĆ©rale (24') s'Ć©tendant entre le deuxiĆØme bord (27') et la premiĆØre face longitudinale (21) d'une lamelle adjacente (2bis), tandis que la partie (24A') de la deuxiĆØme face latĆ©rale (24') de la lamelle considĆ©rĆ©e (2) s'Ć©tendant entre le premier bord (26') et la premiĆØre face longitudinale (21') prĆ©sente une portion (24A') adaptĆ©e pour toucher au moins une portion (23A) de la partie de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le premier bord (26') et la premiĆØre face longitudinale (21') d'une autre lamelle adjacente (2ter).The lamella according to this invention is characterized
- in that the lamella comprises a casing having or associated with a first longitudinal edge (26 ') adjacent to the first lateral face (23') of the casing (20 '), and a second longitudinal edge (27') adjacent to the second lateral face (24 ') of the envelope (20'), said first edge (26 ') being profiled for define an open groove having an inner face of which at least a portion substantially corresponds to a section of a cylindrical face, while the second edge (27 ') is shaped to define a longitudinal means whose outer face is adapted to be engaged in at least partially in the open groove (26 ') of a first longitudinal edge of an envelope of an adjacent lamella to form at least one means for at least partial pivoting along a longitudinal axis (A') between considered lamella (2) and the adjacent lamella (2bis) during the movement of said strips along the guide path at least partially curved, and
- in that the first edge (26 ') of the respective lamella (2) and the second edge (27') of the adjacent lamella are adapted to each other so as to allow at least one relative displacement of spacing limited of the lamella considered with respect to said adjacent lamella and / or the second edge (27 ') of the lamella considered (2') and the first edge (26 ') of another adjacent lamella are adapted to each other. other to allow at least a relative displacement limited distance of the lamella considered with respect to said other adjacent lamella.
According to one embodiment, the first and second lateral faces are profiled so that in the closed position of the door, the portion (23A ') of the first lateral face (23') extending between the first edge ( 26 ') and the first longitudinal face (21') has a portion adapted to touch at least a portion (24A) of the second lateral face (24 ') extending between the second edge (27') and the first longitudinal face (21) of an adjacent lamella (2bis), while the portion (24A ') of the second lateral face (24') of the lamella under consideration (2) extending between the first edge (26 ') and the first longitudinal face (21 ') has a portion (24A') adapted to touch at least a portion (23A) of the portion of the first side face (23) extending between the first edge (26 ') and the first longitudinal face (21') of another adjacent leaf (2ter).
Selon une forme de rĆ©alisation, le premier bord (26') de la lamelle considĆ©rĆ©e (2) et le deuxiĆØme bord (27') de la lamelle adjacente (2bis) sont adaptĆ©s l'un Ć l'autre pour permettre au moins un dĆ©placement relatif d'Ć©cartement limitĆ© de la lamelle considĆ©rĆ©e (2) par rapport Ć ladite lamelle adjacente (2bis), et le deuxiĆØme bord (27') de la lamelle considĆ©rĆ©e (2') et le premier bord (26') d'une autre lamelle adjacente (2ter) sont adaptĆ©s l'un Ć l'autre pour permettre au moins un dĆ©placement relatif d'Ć©cartement limitĆ© de la lamelle considĆ©rĆ©e (2) par rapport Ć ladite autre lamelle adjacente (2ter).According to one embodiment, the first edge (26 ') of the considered lamella (2) and the second edge (27') of the adjacent lamella (2a) are adapted to each other to allow at least one displacement. relative of limited spacing of the lamella considered (2) with respect to said adjacent lamella (2bis), and the second edge (27 ') of the lamella considered (2') and the first edge (26 ') of another adjacent lamella (2b) are adapted to each other to allow at least a relative displacement limited distance of the lamella considered (2) relative to said other adjacent lamella (2ter).
Selon une forme de rĆ©alisation, les premiĆØre et deuxiĆØme faces latĆ©rales sont profilĆ©es de maniĆØre Ć ce qu'en position fermĆ©e de la porte, la partie (23B) de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le premier bord (26') et la deuxiĆØme face longitudinale (22) prĆ©sente une portion adaptĆ©e pour toucher au moins une portion (24B) de la deuxiĆØme face latĆ©rale (24) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la deuxiĆØme face longitudinale (22) d'une lamelle adjacente (2bis), tandis que la partie (24B) de la deuxiĆØme face latĆ©rale (24) de la lamelle considĆ©rĆ©e (2) s'Ć©tendant entre le deuxiĆØme bord (27') et la deuxiĆØme face longitudinale (22) prĆ©sente une portion (24B) adaptĆ©e pour toucher au moins une portion (23B) de la partie de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le premier bord (26') et la deuxiĆØme face longitudinale (22) d'une autre lamelle adjacente (2ter).According to one embodiment, the first and second side faces are profiled so that in the closed position of the door, the portion (23B) of the first side face (23) extending between the first edge (26 ') ) and the second longitudinal face (22) has a portion adapted to touch at least a portion (24B) of the second lateral face (24) extending between the metal section (30) and the second longitudinal face (22) of an adjacent lamella (2a), whereas the portion (24B) of the second lateral face (24) of the lamella under consideration (2) extending between the second edge (27 ') and the second longitudinal face (22) presents a portion (24B) adapted to touch at least a portion (23B) of that portion of the first side face (23) extending between the first edge (26 ') and the second longitudinal face (22) of another adjacent face (2b).
Selon une particularitƩ; l'enveloppe comporte une ou des parois longitudinales pour diviser l'enveloppe en une ou plusieurs chambres longitudinales distinctes.According to a particularity; the envelope has one or more longitudinal walls for dividing the envelope into one or more separate longitudinal chambers.
Des particularitƩs et dƩtails de formes de rƩalisation de l'invention ressortiront de la description dƩtaillƩe suivante dans laquelle il est fait rƩfƩrence aux dessins ci-annexƩs.Features and details of embodiments of the invention will become apparent from the following detailed description in which reference is made to the accompanying drawings.
Dans ces dessins,
- la
figure 1 est une vue avant en perspective d'une porte de garage, - la
figure 2 est une vue de cƓtƩ de la porte, en position mi ouverte, montrant le mƩcanisme de contrƓle d'ouverture/fermeture de la porte, et un chemin de guidage courbe, - la
figure 3 est une vue en coupe selon la ligne II-II de la porte de lafigure 1 , - la
figure 4 est une vue en perspective d'une extrƩmitƩ d'une lamelle; - la
figure 5 est une vue de lamelles aprĆØs pivotement l'une par rapport Ć l'autre; - la
figure 6 est une vue schƩmatique d'une installation pour la production continue de lamelles suivant l'invention, - la
figure 7 est une vue schƩmatique d'un autre procƩdƩ suivant l'invention, - la
figure 8 est une vue schĆ©matique Ć plus grande Ć©chelle de la liaison entre deux lamelles adjacentes, - la
figure 9 est une vue en coupe d'une autre porte selon l'invention partiellement ouverte; - la
figure 10 est une vue en coupe partielle d'une sƩrie de trois lamelles en position fermƩe; - la
figure 11 est une vue similaire Ć celle de lafigure 10 , mais lors de l'ouverture de la porte; - la
figure 12 est une vue en coupe montrant le pivotement de deux lamelles selon lafigure 10 ,
la
- the
figure 1 is a front perspective view of a garage door, - the
figure 2 is a side view of the door, in the half open position, showing the opening / closing control mechanism of the door, and a curved guideway, - the
figure 3 is a sectional view along line II-II of the door of thefigure 1 , - the
figure 4 is a perspective view of one end of a coverslip; - the
figure 5 is a slat view after pivoting with respect to each other; - the
figure 6 is a schematic view of an installation for the continuous production of lamellae according to the invention, - the
figure 7 is a schematic view of another process according to the invention, - the
figure 8 is a schematic view on a larger scale of the connection between two adjacent lamellae, - the
figure 9 is a sectional view of another door according to the invention partially open; - the
figure 10 is a partial sectional view of a series of three slats in the closed position; - the
figure 11 is a view similar to that of thefigure 10 but when opening the door; - the
figure 12 is a sectional view showing the pivoting of two lamellae according to thefigure 10 ,
the
La
La porte 1 a ses bords verticaux guidĆ©s dans des rails 5. Pour facilement contrĆ“ler l'ouverture et la fermeture de la porte, la porte est associĆ©e Ć un mĆ©canisme 7. Ce mĆ©canisme 7 comprend un tambour 8 montĆ© sur un arbre. La rotation du tambour 8 est contrĆ“lĆ©e par un moteur 9, avec Ć©ventuellement une ou des roues de dĆ©multiplication. Lors de la rotation R du tambour 8, la porte se soulĆØve, les lamelles supĆ©rieures sont guidĆ©es par les guides 10 pour se diriger vers le tambour 7, sur lequel des lamelles 2bis, 2, 2 ter s'enroulent.The
The door 1 has its vertical edges guided in
Deux lamelles adjacentes 2 sont aptes Ć pivoter l'une par rapport Ć l'autre le long d'un axe sensiblement parallĆØle Ć l'axe de rotation du tambour 8.Two
La lamelle 2 comprend :
- une enveloppe longitudinale 20 en matiĆØre plastique dĆ©finissant une chambre 20bis, la dite enveloppe 20 prĆ©sentant au moins une premiĆØre 21 et une deuxiĆØme 22 faces longitudinales destinĆ©es Ć dĆ©finir les faces avant et arriĆØre de l'enveloppe, et des premiĆØre (infĆ©rieure 23)et deuxiĆØme (supĆ©rieure 24) faces latĆ©rales s'Ć©tendant respectivement entre une extrĆ©mitĆ© de la premiĆØre face longitudinale et une extrĆ©mitĆ© de la deuxiĆØme face longitudinale,
- une matiĆØre intumescente 25 remplissant au moins partiellement ladite chambre,
- une gorge longitudinale 26 s'Ć©tendant le long de la premiĆØre face latĆ©rale 23,
- une protubĆ©rance longitudinale 27 s'Ć©tendant le long de la deuxiĆØme
face latƩrale 24.
- a
longitudinal envelope 20 of plastic defining a chamber 20a, saidenvelope 20 having at least a first 21 and a second 22 longitudinal faces for defining the front and rear faces of the envelope, and first (lower 23) and second (upper 24) lateral faces respectively extending between one end of the first longitudinal face and one end of the second longitudinal face, - an intumescent material at least partially filling said chamber,
- a
longitudinal groove 26 extending along the firstlateral face 23, - a
longitudinal protuberance 27 extending along the secondlateral face 24.
La gorge 26 d'une premiĆØre face latĆ©rale 23 de la lamelle considĆ©rĆ©e 2 est adaptĆ©e pour recevoir la protubĆ©rance longitudinale 27 d'une deuxiĆØme face latĆ©rale 24 d'une autre lamelle 2bis placĆ©e de maniĆØre adjacente Ć la lamelle considĆ©rĆ©e 2, tandis que la protubĆ©rance 27 de la deuxiĆØme face latĆ©rale de la lamelle considĆ©rĆ©e 2 est adaptĆ©e pour s'engager partiellement dans la gorge 26 d'une premiĆØre face latĆ©rale 23 d'une autre lamelle 2ter placĆ©e de maniĆØre adjacente Ć la lamelle considĆ©rĆ©e 2.The
La lamelle 2 comprend en outre un profilĆ© mĆ©tallique 30 s'Ć©tendant dans ladite enveloppe 20 de maniĆØre Ć dĆ©finir deux chambres distinctes 20bis,20ter, Ć savoir une premiĆØre chambre 20bis s'Ć©tendant entre la premiĆØre face longitudinale 21 et le profilĆ© mĆ©tallique 30 et une deuxiĆØme chambre 20ter longitudinale s'Ć©tendant entre la deuxiĆØme face longitudinale 22 de l'enveloppe 20 et le profilĆ© mĆ©tallique 30, lesdites premiĆØre et deuxiĆØme chambres 20bis, 20ter Ć©tant remplies au moins partiellement d'un matĆ©riau intumescent 25.The
Les extrĆ©mitĆ©s ouvertes de la lamelle 2 sont fermĆ©es par des capuchons ou couvercles 70 prĆ©sentant plusieurs pattes 71 de maintien destinĆ©es Ć s'engager dans une des chambres 20bis,20ter, en particulier dans la couche intumescente 25. Chaque capuchon ou couvercle 70 est avantageusement muni d'un galet ou patin de guidage 72 adaptĆ© pour suivre un chemin dĆ©fini par un rail ou une gorge.The open ends of the
Le profilĆ© mĆ©tallique 30 prĆ©sente un premier bord longitudinal 30bis (en forme de crochet) adjacent de la premiĆØre face latĆ©rale 23 de l'enveloppe 20, et un deuxiĆØme bord longitudinal 30 ter (en forme de crochet) adjacent de la deuxiĆØme face latĆ©rale 24 de l'enveloppe 20. Le premier bord 30bis est profilĆ© ou recourbĆ© pour dĆ©finir une gorge ouverte prĆ©sentant une face intĆ©rieure correspondant sensiblement Ć une section d'une face cylindrique. Le deuxiĆØme bord 30ter est profilĆ© ou recourbĆ©e pour dĆ©finir un crochet longitudinal dont la face extĆ©rieure est adaptĆ©e pour ĆŖtre engagĆ©e au moins partiellement dans la gorge ouverte d'un premier bord longitudinal 30bis d'un profilĆ© mĆ©tallique 30 d'une lamelle adjacente. La liaison premier bord longitudinal - deuxiĆØme bord longitudinal 30bis - 30ter de deux lamelles adjacentes forme un moyen assurant un pivotement le long d'un axe longitudinal horizontal entre la lamelle considĆ©rĆ©e 2 et la lamelle adjacente 2bis ou 2ter lors du mouvement des dites lamelles le long du chemin de guidage au moins partiellement courbe.The
Les premiĆØre et deuxiĆØme faces latĆ©rales 23,24 sont profilĆ©es de maniĆØre Ć ce qu'en position fermĆ©e de la porte 1, la partie 23A de la premiĆØre face latĆ©rale 23 s'Ć©tendant entre le profilĆ© mĆ©tallique 30 et la premiĆØre face longitudinale 21 prĆ©sente une portion adaptĆ©e pour toucher au moins une portion 24A de la partie de la deuxiĆØme face latĆ©rale 24 s'Ć©tendant entre le profilĆ© mĆ©tallique 30 et la premiĆØre face longitudinale 21 d'une lamelle adjacente 2bis, tandis que la partie 24A de la deuxiĆØme face latĆ©rale 24 de la lamelle considĆ©rĆ©e 2 s'Ć©tendant entre le profilĆ© mĆ©tallique 30 et la premiĆØre face longitudinale 21 prĆ©sente une portion adaptĆ©e pour toucher au moins une portion de la partie 23A de la premiĆØre face latĆ©rale 23 s'Ć©tendant entre le profilĆ© mĆ©tallique 30 et la premiĆØre face longitudinale 21 d'une autre lamelle adjacente 2ter.The first and second lateral faces 23, 24 are profiled so that in the closed position of the door 1, the
L'enveloppe recouvre le premier bord longitudinal 30bis et le deuxiĆØme bord longitudinal 30ter (voir
L'enveloppe 20 est par exemple rƩalisƩe en PVC ou en polyamide.The
Pour faciliter le mouvement de rotation entre les bords longitudinaux 30bis,30ter d'une liaison entre deux lamelles adjacentes, au moins une surface en contact d'un bord longitudinal avec l'autre bord longitudinal est munie d'une couche ou revĆŖtement anti-friction, par exemple d'une couche en tĆ©flon ou en polyamide.To facilitate the rotational movement between the longitudinal edges 30bis, 30ter of a connection between two adjacent lamellae, at least one surface in contact with a longitudinal edge with the other longitudinal edge is provided with an anti-friction layer or coating for example a teflon or polyamide layer.
Les chambres 20bis,20ter sont remplies sensiblement complĆØtement avec une composition contenant un ou des matĆ©riaux intumescents 25.The chambers 20a, 20b are substantially completely filled with a composition containing one or more
L'enveloppe et le profilĆ© mĆ©tallique sont par exemple associĆ©s l'un Ć l'autre au moins par une co-extrusion de matiĆØre thermoplastique ou thermoformable par rapport au profilĆ© mĆ©tallique. Cette co-extrusion est par exemple rĆ©alisĆ©e un profilĆ© mĆ©tallique 30 dont le premier bord longitudinal et le deuxiĆØme bord longitudinal du profilĆ© sont profilĆ©s avant la coextrusion de matiĆØre thermoplastique ou thermoformable.
Ce profilĆ© mĆ©tallique 30 est introduit dans une filiĆØre 50 comportant des amenĆ©es 51 de matiĆØre thermoplastique fondue (sous pression) et des gorges intĆ©rieures ouvertes pour former l'enveloppe 20. Le profilĆ© mĆ©tallique 30 est avantageusement muni d'une couche de protection, en particulier d'une couche compatible avec la matiĆØre pour former l'enveloppe. Par exemple, le profilĆ© 30 est muni d'une couche de PVC avant d'ĆŖtre introduit dans la filiĆØre de co-extrusion ou de pultrusion.The envelope and the metal section are for example associated with each other at least by a coextrusion of thermoplastic material or thermoformable with respect to the metal section. This coextrusion is for example carried out a
This
Une fois l'enveloppe formĆ©e (sensiblement rigide pour garder sa forme), le profilĆ© muni de l'enveloppe arrive dans une portion de la filiĆØre oĆ¹ les parois de l'enveloppe 21 formĆ©e ne sont plus supportĆ©es par une face du cĆ“tĆ© intĆ©rieur de l'enveloppe. A ce moment, un produit intumescent est introduit sous pression via les amenĆ©es 52 pour remplir les deux chambres 20bis, 20ter.Once the casing is formed (substantially rigid to keep its shape), the section provided with the casing arrives in a portion of the die where the walls of the
Avantageusement, le profilĆ© mĆ©tallique muni de l'enveloppe et de produit intumescent est tirĆ© hors de la filiĆØre (procĆ©dĆ© de pultrusion), effort de traction effectuĆ© sur les bords longitudinaux. Les lamelles sont alors dĆ©coupĆ©es Ć la longueur dĆ©sirĆ©e.Advantageously, the metal section provided with the envelope and intumescent product is pulled out of the die (pultrusion process), tensile force performed on the longitudinal edges. The slats are then cut to the desired length.
Un autre procĆ©dĆ© de fabrication d'une lamelle selon l'invention est un procĆ©dĆ©, dans lequel on emboutit Ć chaud une structure formĆ©e d'une premiĆØre coque 60 en matiĆØre thermoplastique ou thermoformable associĆ©e Ć une couche de matiĆØre intumescente 61, d'un profilĆ© mĆ©tallique sensiblement plat 30, et d'une deuxiĆØme coque 63 en matiĆØre thermoplastique ou thermoformable associĆ©e Ć une couche de matiĆØre intumescente 61, de maniĆØre Ć former lesdits premier et deuxiĆØme bords longitudinaux 30bis,30ter des lamelles 2, et de donner la forme extĆ©rieure de l'enveloppe 20.Another method of manufacturing a lamella according to the invention is a method in which a structure formed of a
Les coques en matiĆØre thermoplastique ou thermoformable prĆ©sentent chacune des portions planes 66 sĆ©parĆ©es l'une de l'autre par une gouttiĆØre 67 munie de la couche intumescente 61, lesdites portions planes prĆ©sentant une largeur adaptĆ©e pour s'Ć©tendre au delĆ des bords longitudinaux du profilĆ© mĆ©tallique avant emboutissage Ć chaud.The shells made of thermoplastic or thermoformable material each have
La
Dans cette forme de rĆ©alisation le tambour et son moteur sont portĆ©s par des supports 10 aptes Ć coulisser entre des rails parallĆØles 70,71, en fonction de la quantitĆ© de lamelles enroulĆ©es. Le mouvement du support 10 est par exemple commandĆ© ou contrĆ“lĆ© par le moteur ou par la rotation de l'axe du tambour 8. Ceci permet d'assurer qu'une lamelle 2quater se trouve dans le plan des lamelles 2 de la porte obturant au moins partiellement le passage 5.In this embodiment the drum and its motor are carried by supports 10 slidable between
La
Les lamelles comprennent un profilĆ© mĆ©tallique 30 prĆ©sentant un bord longitudinal infĆ©rieur 30bis et un bord longitudinal supĆ©rieur 30ter. Le profilĆ© mĆ©tallique 30 est associĆ© sur une de ses faces avec une premiĆØre chambre 20bis dĆ©finie par des parois 21, 23A, 24A,30A en matiĆØre thermoplastique, chambre remplie de matiĆØre intumescente, et sur l'autre de ses faces avec une deuxiĆØme chambre 20ter dĆ©finie par les parois 22, 24B,23B et 30B.The lamellae comprise a
Les chambres 20bis, 20ter sont adaptĆ©es de maniĆØre Ć ce qu'en position fermĆ©e de la porte, la paroi 23A de la lamelle 2 touche la paroi 24A de la lamelle 2bis adjacente (situĆ©e en dessous de la lamelle 2), la paroi 24A de la lamelle 2 touche la paroi 23A de la lamelle 2ter adjacente, situĆ©e au dessus de la lamelle 2, une partie de la paroi 23B de la lamelle 2 touche une portion de la paroi 24B de la lamelle adjacente 2bis situĆ©e en dessous de la lamelle 2 et enfin, une portion de la paroi 24B de la lamelle 2 touche une partie de la paroi 23B de la lamelle 2ter adjacente et situĆ©e au dessus de la lamelle 2.The chambers 20a, 20b are adapted so that in the closed position of the door, the
Les bords longitudinaux 30bis, 30ter des lamelles 2,2bis,2ter sont profilƩs pour permettre un mouvement d'Ʃcartement des lamelles entre elles (par exemple par translation) lors de l'ouverture de la porte.
Le bord longitudinal 30bis (infƩrieur) dƩfinit une gorge 50 sensiblement ou partiellement en U se terminant par une extrƩmitƩ en forme de crochet 51 tournƩ vers la gorge 50. Le bord longitudinal 30ter (supƩrieur) dƩfinit une gorge 52 se terminant par une extrƩmitƩ en crochet 53 tournƩ vers la gorge 52.
La partie de la gorge 50 situĆ©e en dessous du crochet 51 d'une lamelle 2 est adaptĆ©e pour recevoir au moins partiellement le crochet 53 d'un bord longitudinal 30ter d'une autre lamelle 2bis. Le crochet 53 coopĆØre ainsi avec le crochet 51 pour maintenir les lamelles les une aux autres lors de mouvements relatifs entre les lamelles.The longitudinal edges 30a, 30b of the lamellae 2.2a, 2b are profiled to allow a spacing movement of the lamellae between them (for example by translation) during the opening of the door.
The longitudinal edge 30a (bottom) defines a substantially
The portion of the
Dans la porte ou cloison en position fermƩe de la
Lors de l'ouverture de la porte, les lamelles 2,2bis,2ter s'Ć©cartent les unes des autres, grĆ¢ce au mouvement de translation du crochet 53 dans la portion de la gorge 50 situĆ©e sous le crochet 51. Le mouvement de translation est limitĆ© lorsque le bas du crochet 53 vient buter contre le fond 50A de la gorge 50.When opening the door, the lamellae 2.2a, 2ter deviate from each other, thanks to the translational movement of the
Le fond de la gorge 50 prĆ©sente au moins une portion courbe 50B (portion d'une surface cylindrique, par exemple le quart d'une surface cylindrique), tandis que le crochet 53 prĆ©sente une forme courbe 53A adaptĆ©e pour Ć©pouser au moins partiellement la portion courbe 50B de la gorge 50. La forme courbe 53A correspond par exemple au moins Ć la moitiĆ© d'une surface cylindrique.
Ceci permet alors un pivotement Ć©ventuel d'une lamelle par rapport Ć une autre lamelle par un mouvement de glissement (rotatif) de la face 53A le long de la face 50B.
Le mouvement de rotation des lamelles entre elles est toutefois limitƩ par le contact d'une face intƩrieure de la gorge 52 sur une face extƩrieure du crochet 51. (voir
This then allows a possible pivoting of a sipe with respect to another sipe by a sliding movement (rotary) of the
The movement of rotation of the lamellae between them is however limited by the contact of an inner face of the
La
- une enveloppe longitudinale (20') en matiĆØre plastique ou synthĆ©tique dĆ©finissant une chambre, la dite enveloppe prĆ©sentant au moins une premiĆØre et une deuxiĆØme faces
21, 22 destinĆ©es Ć dĆ©finir les faces avant et arriĆØre de l'enveloppe, et des premiĆØre et deuxiĆØme faces latĆ©rales 23',24' s'Ć©tendant respectivement entre une extrĆ©mitĆ© de la premiĆØre face longitudinale et une extrĆ©mitĆ© de la deuxiĆØme face longitudinale,longitudinales - une matiĆØre intumescente 201 remplissant au moins partiellement ladite chambre,
- une gorge longitudinale 26' s'Ć©tendant le long de la premiĆØre face latĆ©rale 23',
- une protubĆ©rance longitudinale 27' s'Ć©tendant le long de la deuxiĆØme face latĆ©rale 24',
- a longitudinal envelope (20 ') of plastic or synthetic material defining a chamber, said envelope having at least a first and a second
21, 22 for defining the front and rear faces of the envelope, and first and second lateral faces 23 ', 24' extending respectively between one end of the first longitudinal face and one end of the second longitudinal face,longitudinal face - an intumescent material 201 at least partially filling said chamber,
- a longitudinal groove 26 'extending along the first lateral face 23',
- a longitudinal protuberance 27 'extending along the second side face 24',
La lamelle selon la
Le premier bord (26') de la lamelle considĆ©rĆ©e (2) et le deuxiĆØme bord (27') de la lamelle adjacente sont adaptĆ©s l'un Ć l'autre de maniĆØre Ć permettre au moins un dĆ©placement relatif d'Ć©cartement limitĆ© de la lamelle considĆ©rĆ©e par rapport Ć ladite lamelle adjacente et/ou le deuxiĆØme bord (27') de la lamelle considĆ©rĆ©e (2') et le premier bord (26') d'une autre lamelle adjacente sont adaptĆ©s l'un Ć l'autre pour permettre au moins un dĆ©placement relatif d'Ć©cartement limitĆ© de la lamelle considĆ©rĆ©e par rapport Ć ladite autre lamelle adjacente.
Le mouvement d'Ʃcartement limitƩ est par exemple compris entre 1mm et 25mm, et est avantageusement fonction de la largeur des lamelles (largeur mesurƩe verticalement lorsque les axes A' des lamelles adjacentes sont situƩs dans un plan vertical).
Selon la forme de rƩalisation de la
The limited spacing movement is for example between 1mm and 25mm, and is advantageously a function of the width of the slats (width measured vertically when the axes A 'of adjacent slats are located in a vertical plane).
According to the embodiment of the
La protubƩrance 27' a la forme d'une gorge avec crochet engagƩ dans la gorge 26'. Lesdites protubƩrances et gorges servent de moyen de maintien des lamelles entre elles.The protrusion 27 'has the shape of a groove with hook engaged in the groove 26'. Said protuberances and grooves serve as means for holding the slats together.
Selon la forme de rƩalisation de la
En fait, les premiĆØre et deuxiĆØme faces latĆ©rales sont profilĆ©es de maniĆØre Ć ce qu'en position fermĆ©e de la porte, la partie (23B) de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le premier bord (26') et la deuxiĆØme face longitudinale (22) prĆ©sente une portion adaptĆ©e pour toucher au moins une portion (24B) de la deuxiĆØme face latĆ©rale (24) s'Ć©tendant entre le profilĆ© mĆ©tallique (30) et la deuxiĆØme face longitudinale (22) d'une lamelle adjacente (2bis), tandis que la partie (24B) de la deuxiĆØme face latĆ©rale (24) de la lamelle considĆ©rĆ©e (2) s'Ć©tendant entre le deuxiĆØme bord (27') et la deuxiĆØme face longitudinale (22) prĆ©sente une portion (24B) adaptĆ©e pour toucher au moins une portion (23B) de la partie de la premiĆØre face latĆ©rale (23) s'Ć©tendant entre le premier bord (26') et la deuxiĆØme face longitudinale (22) d'une autre lamelle adjacente (2ter).In fact, the first and second lateral faces are profiled so that in the closed position of the door, the portion (23B) of the first lateral face (23) extending between the first edge (26 ') and the second longitudinal face (22) has a portion adapted to touch at least one portion (24B) of the second lateral face (24) extending between the metal profile (30) and the second longitudinal face (22) of an adjacent lamella (2a), while the portion (24B) of the second lateral face (24) of the considered lamella (2) extending between the second edge (27 ') and the second longitudinal face (22) has a portion (24B ) adapted to touch at least one portion (23B) of the portion of the first side face (23) extending between the first edge (26 ') and the second longitudinal face (22) of another adjacent face (2ter) .
La chambre situƩe entre les parois 21' et 22' est avantageusement divisƩs en plusieurs sous chambres par des renforts 202 s'Ʃtendant entre lesdites parois 21' et 22'.The chamber located between the walls 21 'and 22' is advantageously divided into several sub-chambers by
Claims (17)
en ce que le profilĆ© mĆ©tallique prĆ©sente un premier bord longitudinal (26) adjacent de la premiĆØre face latĆ©rale (23) de l'enveloppe (20), et un deuxiĆØme bord longitudinal (27) adjacent de la deuxiĆØme face latĆ©rale (24) de l'enveloppe (20), ledit premier bord (26) Ć©tant profilĆ© pour dĆ©finir une gorge ouverte prĆ©sentant une face intĆ©rieure dont au moins une partie correspond sensiblement Ć une section d'une face cylindrique, tandis que le deuxiĆØme bord (27) est profilĆ© pour dĆ©finir un moyen longitudinal dont la face extĆ©rieure est adaptĆ©e pour ĆŖtre engagĆ©e au moins partiellement dans la gorge ouverte (26) d'un premier bord longitudinal d'un profilĆ© mĆ©tallique d'une lamelle adjacente pour former au moins un moyen permettant un pivotement au moins partiel le long d'un axe longitudinal (A) entre la lamelle considĆ©rĆ©e (2) et la lamelle adjacente (2bis) lors du mouvement des dites lamelles le long du chemin de guidage au moins partiellement courbe, et
en ce que le premier bord (26) de la lamelle considĆ©rĆ©e (2) et le deuxiĆØme bord (27) de la lamelle adjacente sont adaptĆ©s l'un Ć l'autre de maniĆØre Ć limiter ou Ć Ć©viter au moins un dĆ©placement relatif d'Ć©cartement de la lamelle considĆ©rĆ©e par rapport Ć ladite lamelle adjacente et/ou le deuxiĆØme bord (27) de la lamelle considĆ©rĆ©e (2) et le premier bord (26) d'une autre lamelle adjacente sont adaptĆ©s l'un Ć l'autre de maniĆØre Ć limiter ou Ć Ć©viter au moins un dĆ©placement relatif d'Ć©cartement de la lamelle considĆ©rĆ©e par rapport Ć ladite autre lamelle adjacente.Fire-resistant lamella, several of which are intended to be associated with each other to form a door or a partition, advantageously able to be moved between a closed position and an open position, and vice versa, advantageously following a guide path at least partially curved and / or by means of a system allowing the winding or unwinding of the door or partition with respect to a support, said lamella comprising:
in that the metal profile has a first longitudinal edge (26) adjacent to the first lateral face (23) of the envelope (20), and a second longitudinal edge (27) adjacent to the second lateral face (24) of the shell (20), said first edge (26) being profiled to define an open groove having an inner face of which at least a portion substantially corresponds to a section of a cylindrical face, while the second edge (27) is profiled to defining a longitudinal means whose outer face is adapted to be engaged at least partially in the open groove (26) of a first longitudinal edge of a metal section of an adjacent strip to form at least one means for pivoting at least partial along a longitudinal axis (A) between the lamella considered (2) and the adjacent lamella (2bis) during the movement of said strips along the guide path at least partially curved, and
in that the first edge (26) of the considered lamella (2) and the second edge (27) of the adjacent lamella are adapted to each other so as to limit or avoid at least one relative displacement of of the lamella considered with respect to said adjacent lamella and / or the second edge (27) of the lamella in question (2) and the first edge (26) of another adjacent lamella are adapted to each other. so as to limit or to avoid at least one relative movement of spacing of the lamella considered with respect to said other adjacent lamella.
le premier bord longitudinal et le deuxiĆØme bord longitudinal du profilĆ© mĆ©tallique Ć©tant avantageusment profilĆ©s avant la coextrusion ou la pultrusion de matiĆØre thermoplastique ou thermoformable,
et en ce qu'au moins une composition intumescente est introduite dans les chambres pendant ou aprĆØs l'Ć©tape de coextrusion ou de pultrusion, la composition intumescente Ć©tant introduite dans les chambres sous pression, avantageusement sous une pression supĆ©rieure Ć 2 105 Pa.Lamella according to any one of the preceding claims, characterized in that the casing and the metal profile are associated with each other at least by a co-extrusion or pultrusion of thermoplastic or thermoformable material relative to the metal profile, optionally provided with a plastic or synthetic layer or a fastening or protection layer, in particular provided with a thermoplastic layer,
the first longitudinal edge and the second longitudinal edge of the metal profile being advantageously profiled before the coextrusion or the pultrusion of thermoplastic or thermoformable material,
and in that at least one intumescent composition is introduced into the chambers during or after the coextrusion or pultrusion step, the intumescent composition being introduced into the pressure chambers, advantageously under a pressure greater than 2 10 5 Pa.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2008/0211A BE1018088A3 (en) | 2008-04-04 | 2008-04-04 | LAMELLE FOR FIRE - CUTTING DOOR AND METHOD FOR MANUFACTURING SAME. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2107206A1 true EP2107206A1 (en) | 2009-10-07 |
EP2107206B1 EP2107206B1 (en) | 2015-04-15 |
Family
ID=40044047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090447005 Active EP2107206B1 (en) | 2008-04-04 | 2009-04-02 | Strip for fire door, fire door and method for manufacturing such strips |
Country Status (2)
Country | Link |
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EP (1) | EP2107206B1 (en) |
BE (1) | BE1018088A3 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014108064A1 (en) * | 2013-01-08 | 2014-07-17 | Chung Tai Roller Shutters Company Limited | A slat and a roller shutter incorporating same |
US9746230B2 (en) | 2006-02-24 | 2017-08-29 | Carrier Corporation | Flame retardant door for transport refrigeration unit |
EP3587726A1 (en) * | 2018-06-29 | 2020-01-01 | Metaalwarenfabriek Metacon B.V. | Fire resistant shutter door, building and fire-resistant slat for a fire resistant shutter door |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3305677A1 (en) * | 1983-02-18 | 1984-08-23 | Gustav Leukerbad Riexinger | Roller-door armour element and method for its manufacture and device for implementing this method |
DE19907801A1 (en) | 1998-08-14 | 2000-02-17 | Siegfried Bruckbauer | Bar for roller blind case |
JP2000204861A (en) * | 1998-11-13 | 2000-07-25 | Sanwa Shutter Corp | Slat structure of fire shutter for building |
JP2001288966A (en) * | 2000-04-10 | 2001-10-19 | Sanwa Shutter Corp | Method for forming hollow slat, and fire-preventive hollow slat |
EP1591614A2 (en) | 2004-04-27 | 2005-11-02 | Albert Fleury | Fire-resistant lamellas |
-
2008
- 2008-04-04 BE BE2008/0211A patent/BE1018088A3/en active
-
2009
- 2009-04-02 EP EP20090447005 patent/EP2107206B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3305677A1 (en) * | 1983-02-18 | 1984-08-23 | Gustav Leukerbad Riexinger | Roller-door armour element and method for its manufacture and device for implementing this method |
DE19907801A1 (en) | 1998-08-14 | 2000-02-17 | Siegfried Bruckbauer | Bar for roller blind case |
JP2000204861A (en) * | 1998-11-13 | 2000-07-25 | Sanwa Shutter Corp | Slat structure of fire shutter for building |
JP2001288966A (en) * | 2000-04-10 | 2001-10-19 | Sanwa Shutter Corp | Method for forming hollow slat, and fire-preventive hollow slat |
EP1591614A2 (en) | 2004-04-27 | 2005-11-02 | Albert Fleury | Fire-resistant lamellas |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9746230B2 (en) | 2006-02-24 | 2017-08-29 | Carrier Corporation | Flame retardant door for transport refrigeration unit |
WO2014108064A1 (en) * | 2013-01-08 | 2014-07-17 | Chung Tai Roller Shutters Company Limited | A slat and a roller shutter incorporating same |
EP3587726A1 (en) * | 2018-06-29 | 2020-01-01 | Metaalwarenfabriek Metacon B.V. | Fire resistant shutter door, building and fire-resistant slat for a fire resistant shutter door |
Also Published As
Publication number | Publication date |
---|---|
BE1018088A3 (en) | 2010-05-04 |
EP2107206B1 (en) | 2015-04-15 |
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