EP1095672A1 - Bouche de ventilation coupe-feu - Google Patents
Bouche de ventilation coupe-feu Download PDFInfo
- Publication number
- EP1095672A1 EP1095672A1 EP00402867A EP00402867A EP1095672A1 EP 1095672 A1 EP1095672 A1 EP 1095672A1 EP 00402867 A EP00402867 A EP 00402867A EP 00402867 A EP00402867 A EP 00402867A EP 1095672 A1 EP1095672 A1 EP 1095672A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tubular body
- flange
- collar
- face
- firestop
- 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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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/18—Sliding dampers
- A62C2/20—Sliding dampers at 90 degrees to the plane of the opening
Definitions
- the subject of the present invention is a ventilation opening. firewall.
- FIG. 1 there is shown such a mouth firebreak 10 mounted in an opening 13 of a wall 12.
- 12a represents the face of the wall 12 facing the room or the room and we have referenced 12b the face of the wall corresponding to the service spaces where the ventilation ducts are housed.
- the fire hydrant 10 essentially consists of a flange 16 usually consisting of a metal sheet which has a substantially flanged rim portion half-torus 18 pressed against the face 12a of the wall and a portion of frustoconical shape 20.
- the fire barrier also has a substantially cylindrical tubular body 22 which is used in particular for its fixing in the ventilation duct not shown in the figure.
- a end 22a of the tubular body 22 is welded to the part frustoconical 20 of the flange 16 over a length sufficient to ensuring the mechanical strength of the assembly.
- the other end 22b of the body tubular 22 is made integral by a centering piece 24, of a socket 26.
- the fire stop has a shutter 28 integral from the end of a rod 30 mounted in the sleeve 26.
- the rod 30 is associated with a return spring 32 and a trigger system thermal 34 which releases the return spring 32 in the event of an increase in temperature thus closing the fire barrier by application of the shutter 28 on the frustoconical portion 20 of the flange which thus serves as a valve seat.
- the production of the assembly constituted by the collar 16 and the tubular body 22 is relatively high in cost in particular because of the welding operation between the flange and the tubular body.
- a first object of the invention is to provide a mouth firebreak of the type mentioned above, the manufacturing cost of which be reduced.
- the mechanical connection between the collar and the tubular body is obtained by the annular piece of material thermally insulating, said flange and said tubular body becoming then united to each other.
- this part is preferably obtained by molding, the collar and the tubular body having parts which form "inserts" at the interior of said room.
- This connection mode is relatively little expensive.
- this part allows for the coating thermally insulating which it is necessary to provide since this part is made of a thermal insulating material.
- the collar and the tubular body are connected through the annular piece in insulating material without contact between the flange and the body tubular.
- the two pieces, preferably metallic, constituted by the flange and the tubular body are not in contact with each other and are separated by thermal insulating material.
- the collar and / or said tubular body comprises a plurality of positioning members and pre-joining said collar and the tubular body.
- this provision allows a prepositioning and pre-securing of the tubular body with respect to with the collar to make the part in thermal insulating material moldable.
- these prepositioning and pre-consolidation make contact between these two parts only on an extremely limited area which is not likely to create a significant thermal bridge between the two parts, for example metallic, conductive of heat.
- FIG. 2a we will describe a first embodiment of the fire barrier.
- the collar 42 with its rim, for example in the form of half torus 44, intended to be applied to the internal face of the wall and its frustoconical portion 46 forming the seat of the movable shutter 48.
- the tubular body 50 which has a general cylindrical shape, which surrounds the frustoconical part 46 of the flange 42 and which preferably ends with a flat edge 52 to near the semi-toric part 44 of the collar.
- a stirrup 54 secured to the collar 42 for centering a sleeve 56 for guiding the rod 58 to which the shutter 48 is secured.
- the collar 42 and the tubular body 50 which are both preferably made with a sheet metallic which can be steel or aluminum.
- a sheet metallic which can be steel or aluminum.
- the annular space 62 limited by the external face of the frustoconical portion 46 and through the internal face of the body tubular 50 and occupied by a portion of an annular part 64 produced made of a moldable thermal insulating material. The same goes for the volume limited by the semi-toric part 44 of the flange which is filled by the portion 66 of the annular part.
- this insulating annular piece covers the rear face 52a of the rim 52 of the tubular body 50.
- the flange 52 being completely embedded in the moldable thermal insulating material, during the solidification of said insulating material, said flange 52 forms an insert which makes it possible to reinforce the mechanical connection obtained between the collar 42 and the tubular body 50.
- annular part made of thermal insulating material 62, 66 is obtained by molding using a suitable material of the two parts made up by the collar and by the tubular body arranged relatively so suitable, parts 42 and 50 would partially constitute inserts, in particular by the presence of the rim 52, the groove 70 and / or the stirrup 54 located on the collar 42, which are each likely to be all or in part embedded in thermal insulating material 62.
- tubular body 50 is perforated and preferably provision is made on the external face of this body at least one annular groove 70 for the fitting of a seal between this tubular body and the opening in the wall or conduit.
- FIG. 2b shows an alternative embodiment which differs from the embodiment of FIG. 2a only in that the piece of thermal insulating material also covers the face outer 50b of the tubular body 50.
- This part of the annular part which is referenced 72 has a reduced thickness.
- this arrangement avoids thermal radiation from the body tubular 50.
- at least one groove is reserved ring 74 for the installation of a seal.
- the annular piece of thermally material insulation is obtained by molding.
- Figures 3a and 3b show a first mode of prepositioning and pre-consolidation. It is a system with bayonet which is formed on the one hand by two inclined slots 80 and 82 produced in the tubular body 50 and by two lugs integral with the flange 42 which are, for example, extensions 84 and 86 of the stirrup 54.
- This bayonet system allows to secure and preposition the collar 42 relative to the tubular body 50, the final attachment being achieved by molding the annular part in thermally insulating material.
- said extensions 84 and 86 of the stirrup 54 all like said stirrup 54, constitute inserts making it possible to reinforce the mechanical connection of the collar 42 with the tubular body 50.
- FIGS. 4a and 4b a variant of the positioning and pre-consolidation system. It is made up of two elastic tabs 88 and 90 fixed on the frustoconical part 46 of the collar 42, for example, by welding points. The extremities elastic tabs are supported on the internal face of the body tubular 50. In addition, said elastic tongues 88 and 90 form preferably inserts that increase resistance mechanics of the integral assembly formed by the collar 42, the body tubular 50 and the insulating material 62.
- a mold that comprises a lower base 100 and an internal part substantially frustoconical 102.
- the flange 42 is placed on the base 100 and around the internal part 102.
- the tubular body 50 is placed in position suitable. If means of prepositioning exist, the body tubular is held in place by its connection with the collar 42. In otherwise, it is necessary to provide a support means, not shown, for maintain the tubular body 50 in the ad hoc position.
- all the elements likely to constitute inserts such as the flange 52, the bracket 54, the lug 84 and / or the tongues 88 and 90 are positioned so that it can be at least partially covered with material thermal insulator.
- piece 62 is obtained which adheres both to the outer face of the frustoconical portion and to the face internal of the tubular body 50, and which thus ensures the mechanical connection between the collar 42 and the tubular body 50.
- the aforementioned elements capable of constituting inserts are coated with insulating material, they strengthen the mechanical connection obtained between the collar 42 and the tubular body 50. We can then unmold the fire-resistant mouth.
- the surface of the flange and / or the tubular body could have significant roughness or crevices allowing to increase the adhesion of the insulating material and thus increase the resistance of the mechanical connections obtained between part 62 and the collar and respectively the tubular body, said collar and said tubular body being all the more integral.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Air-Flow Control Members (AREA)
- Thermal Insulation (AREA)
- Insulated Conductors (AREA)
- Fire-Detection Mechanisms (AREA)
- Building Environments (AREA)
- Duct Arrangements (AREA)
Abstract
Description
se caractérise en ce qu'elle comprend en outre une pièce annulaire en un matériau isolant thermique et moulable, ladite pièce annulaire s'étendant au moins entre la face externe de la collerette et la face interne du corps tubulaire, ladite pièce annulaire réalisant la liaison mécanique entre ladite collerette et ledit corps tubulaire.
- on dispose ladite collerette dans un moule,
- on dispose ledit corps tubulaire autour de la partie tronconique de la collerette,
- on introduit ledit matériau thermiquement isolant sous forme non solide dans le moule de telle manière qu'il remplisse au moins l'intérieur du rebord de la collerette et l'espace compris entre la face externe de la portion tronconique de la collerette et la face interne dudit corps tubulaire, et
- on provoque la solidification dudit matériau isolant thermique, par quoi on obtient la solidarisation de ladite collerette et dudit corps tubulaire.
- la figure 1 déjà décrite montre une bouche coupe-feu de type connu ;
- la figure 2a montre en coupe par un plan axial un premier mode de réalisation d'une bouche coupe-feu selon l'invention ;
- la figure 2b montre un deuxième mode de réalisation de la bouche coupe-feu ;
- la figure 3a montre en vue en élévation le corps tubulaire pour un troisième mode de réalisation de la bouche coupe-feu ;
- la figure 3b montre en coupe par un plan axial la collerette associée au corps tubulaire de la figure 3a ;
- la figure 4a montre une vue en perspective d'une collerette pour un quatrième mode de réalisation de la bouche coupe-feu ;
- la figure 4b montre en demi-coupe par un plan axial l'ensemble de la bouche coupe-feu dans un quatrième mode de réalisation ; et
- la figure 5 illustre un procédé de fabrication de la bouche coupe-feu.
Claims (10)
- Bouche coupe-feu destinée à être montée dans une ouverture ménagée dans une paroi ayant une première face et une deuxième face, ladite bouche comprenant une collerette présentant un rebord sensiblement en forme de demi-tore destiné à être appliqué contre la première face de la paroi, et une partie en forme de tronc de cône, une face interne et une face externe, un corps tubulaire de forme cylindrique disposé autour de la partie tronconique de la collerette et placé à l'intérieur de ladite ouverture, ledit corps tubulaire présentant un premier bord tourné vers la collerette et un deuxième bord, ainsi qu'une face interne et une face externe, et un obturateur monté mobile dans l'ensemble constitué par la collerette et le corps tubulaire,
se caractérise en ce qu'elle comprend en outre une pièce annulaire en un matériau isolant thermique et moulable, ladite pièce annulaire s'étendant au moins entre la face externe de la collerette et la face interne du corps tubulaire, ladite pièce annulaire réalisant la liaison mécanique entre ladite collerette et ledit corps tubulaire. - Bouche coupe-feu selon la revendication 1, caractérisée en ce qu'il n'y a pas de contact entre ladite collerette et ledit corps tubulaire.
- Bouche coupe-feu selon la revendication 2, caractérisée en ce que ladite collerette et/ou ledit corps tubulaire comporte une pluralité d'organes de positionnement et/ou de présolidarisation de ladite collerette et dudit corps tubulaire.
- Bouche coupe-feu selon la revendication 3, caractérisée en ce que la portion tronconique de la collerette comprend au moins deux languettes élastiques faisant saillie hors de la face externe de ladite portion tronconique, les extrémités desdites languettes coopérant élastiquement avec la face interne dudit corps tubulaire pour positionner et présolidariser ledit corps tubulaire par rapport à ladite collerette.
- Bouche coupe-feu selon la revendication 3, caractérisée en ce que la portion tronconique de ladite collerette et ledit corps tubulaire comportent une pluralité d'ergots et une pluralité de fentes pour constituer un système à baïonnette.
- Bouche coupe-feu selon l'une quelconque des revendications 1 à 5, caractérisée en ce que ledit corps tubulaire est perforé.
- Bouche coupe-feu selon l'une quelconque des revendications 1 à 6, caractérisée en ce que la face externe dudit corps tubulaire comporte au moins une gorge annulaire et un joint d'étanchéité monté dans ladite gorge.
- Bouche coupe-feu selon l'une quelconque des revendications 1 à 6, caractérisée en ce que ladite partie annulaire en matériau isolant thermique recouvre la face externe dudit corps tubulaire.
- Bouche coupe-feu selon la revendication 8, caractérisée en ce que la portion de la pièce annulaire qui recouvre la paroi externe du corps tubulaire comporte au moins une gorge annulaire et en ce qu'un joint d'étanchéité est monté dans ladite gorge.
- Procédé de fabrication d'une bouche coupe-feu selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'il comprend les étapes suivantes :on dispose ladite collerette dans un moule,on dispose ledit corps tubulaire autour de la partie tronconique de la collerette,on introduit ledit matériau thermiquement isolant sous forme non solide dans le moule de telle manière qu'il remplisse au moins l'intérieur de la portion en forme de demi-tore de la collerette et l'espace compris entre la face externe de la portion tronconique de la collerette et la face interne dudit corps tubulaire,on provoque la solidification dudit matériau isolant thermique, par quoi on obtient la solidarisation de ladite collerette et dudit corps tubulaire.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9913329 | 1999-10-26 | ||
FR9913329A FR2799979B1 (fr) | 1999-10-26 | 1999-10-26 | Bouche de ventilation coupe-feu |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1095672A1 true EP1095672A1 (fr) | 2001-05-02 |
EP1095672B1 EP1095672B1 (fr) | 2005-03-16 |
Family
ID=9551340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00402867A Expired - Lifetime EP1095672B1 (fr) | 1999-10-26 | 2000-10-17 | Bouche de ventilation coupe-feu |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1095672B1 (fr) |
AT (1) | ATE290912T1 (fr) |
DE (1) | DE60018676T2 (fr) |
ES (1) | ES2240031T3 (fr) |
FR (1) | FR2799979B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010094835A1 (fr) | 2009-02-23 | 2010-08-26 | Halton Oy | Registre coupe-feu de conduit de ventilation et procédé correspondant |
DE102017010346A1 (de) | 2017-11-03 | 2019-05-09 | Olaf Schreiter | Abgesaugter Sammelbehälter für schadstoffhaltiges Material |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3981317A (en) * | 1974-02-12 | 1976-09-21 | Strulik Wilhelm P | Flame-arresting or smoke-clearing valve device operating by closure and opening respectively |
FR2312271A1 (fr) * | 1975-05-28 | 1976-12-24 | Strulik Wilhelm | Bouche de ventilation pare-flamme et coupe-feu |
FR2371557A1 (fr) | 1976-11-20 | 1978-06-16 | Strulik Wilhelm | Soupape de protection contre l'incendie |
-
1999
- 1999-10-26 FR FR9913329A patent/FR2799979B1/fr not_active Expired - Fee Related
-
2000
- 2000-10-17 AT AT00402867T patent/ATE290912T1/de not_active IP Right Cessation
- 2000-10-17 DE DE60018676T patent/DE60018676T2/de not_active Expired - Lifetime
- 2000-10-17 ES ES00402867T patent/ES2240031T3/es not_active Expired - Lifetime
- 2000-10-17 EP EP00402867A patent/EP1095672B1/fr not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3981317A (en) * | 1974-02-12 | 1976-09-21 | Strulik Wilhelm P | Flame-arresting or smoke-clearing valve device operating by closure and opening respectively |
FR2312271A1 (fr) * | 1975-05-28 | 1976-12-24 | Strulik Wilhelm | Bouche de ventilation pare-flamme et coupe-feu |
FR2371557A1 (fr) | 1976-11-20 | 1978-06-16 | Strulik Wilhelm | Soupape de protection contre l'incendie |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010094835A1 (fr) | 2009-02-23 | 2010-08-26 | Halton Oy | Registre coupe-feu de conduit de ventilation et procédé correspondant |
DE102017010346A1 (de) | 2017-11-03 | 2019-05-09 | Olaf Schreiter | Abgesaugter Sammelbehälter für schadstoffhaltiges Material |
DE102017010346B4 (de) | 2017-11-03 | 2019-12-05 | Olaf Schreiter | Behälter zum Sammeln und temporären Lagern von gefährlichen Stoffen |
Also Published As
Publication number | Publication date |
---|---|
FR2799979B1 (fr) | 2002-01-11 |
ES2240031T3 (es) | 2005-10-16 |
EP1095672B1 (fr) | 2005-03-16 |
ATE290912T1 (de) | 2005-04-15 |
DE60018676T2 (de) | 2006-01-19 |
FR2799979A1 (fr) | 2001-04-27 |
DE60018676D1 (de) | 2005-04-21 |
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