EP0313485A1 - Floor slab for a sectional false floor - Google Patents
Floor slab for a sectional false floor Download PDFInfo
- Publication number
- EP0313485A1 EP0313485A1 EP88420359A EP88420359A EP0313485A1 EP 0313485 A1 EP0313485 A1 EP 0313485A1 EP 88420359 A EP88420359 A EP 88420359A EP 88420359 A EP88420359 A EP 88420359A EP 0313485 A1 EP0313485 A1 EP 0313485A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- panel
- core
- profile
- edge
- face
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02405—Floor panels
- E04F15/02435—Sealing joints
- E04F15/02441—Sealing strips integrated with the floor panels
Definitions
- the present invention relates to a slab for a raised floor with respect to a load-bearing floor.
- the invention is in the field of raised floors, raised relative to a load-bearing floor, whether it is a new or fitted construction, and obtained by: - arranging on the ground a plurality of jacks, determining between them a grid of the supporting ground; - Optionally, by assembling the jacks together, by means of reinforcing crosspieces, connecting the different jacks; - depositing slabs, contiguous, resting on the jacks, and possibly the sleepers, a jack supporting in cross four corners belonging to four respectively different but adjacent slabs.
- a slab intended for a raised floor comprises, on the one hand a lower face facing the load-bearing floor, which may or may not consist of a metal plate or film, and on the other hand an upper face opposite, coated for example with a laminate, on which machines or furniture are placed, and on which people walk.
- a slab of the aforementioned type is already known, having a modular shape and dimensions, for example of square shape, and constituted by: - a panel of high density agglomerated wood particles; - A peripheral lining protecting the edge of this panel, made of plastic material, for example PVC, and having the shape of a profile; the latter presents in cross section a core extending in height, from the level of the upper face of the panel to that of the lower face of the same panel.
- the technical floor obtained generally has leaks.
- water or humidity can be introduced between the trim and the edge of the panel, and penetrate to the heart of the agglomerated wood particles; which causes swelling or permanent deterioration of the slab.
- the present invention proposes to remedy the sealing defects of the slabs defined above. More particularly, the invention relates to a slab having a water and air tightness, when the raised floor is assembled.
- the water tightness is ensured in the following manner.
- the lining has, adjacent to the upper face of the slab, a protruding bead from the core of the profile towards the edge of the panel, of less hardness than that of the material of the core, and capable of sealing against liquids , by pressing against the panel.
- the external face of the profile core has a peripheral lip, intended to overlap the homologous and adjacent lip of a neighboring assembled panel.
- FIG. 1 represents a view in vertical section of two tiles according to the invention, adjacent, and joined together to form a raised floor.
- each slab (1) or (2) comprises a panel (3) made of high density agglomerated wood particles, cut for example in square form.
- a peripheral lining (4) protects the edge (3a) of the panel; this lining is made of plastic material, for example PVC, and has the shape of a profile. As shown in Figure 1, this profile has in cross section a core (4a) extending in height from the level of the upper face (1a) to that of the lower face (1b) of the slab (1) for example.
- a projecting bead (4b) Adjacent to the upper face (1a), a projecting bead (4b) is located between the core (4a) of the profile and the edge (3a) of the panel (3).
- This cord has a hardness lower than that of the material constituting the core (4a), and is for example obtained in nitrile PVC elastomer.
- This cord (4b) is capable of sealing against liquids, by pressure between the edge (3a) of the panel and the internal face (4c) of the lining (4).
- the lining (4) is therefore a bi-material, monobloc profile, the cord material (4b) having a lower hardness than that of the core material (4a).
- Such a lining is obtained by co-extrusion of two different materials, namely PVC and PVC - nitrile, the first corresponding to the core (4a), and the second to the sealing bead (4b).
- the sealing bead (4b) is compressed, or even bent towards the edge (3a) of the panel (3), due to the pressure applied by the lining (4), under the effect of the fixing means described below. .
- the profile (4) has two flanges (4d) and (4e), the first upper and adjacent to the upper face (1a), and the second lower and adjacent to the lower face (1b). These two flanges are supported on the edge (3a) of the panel (3), and provide a gap (5) between the latter and the internal face (4c) of the core (4a).
- the cord (4b) emerges, oblique to the core (4a), at the edge between the latter and the upper edge (4d).
- the core (4a), and more precisely the lower edge (4e) are continuous with a wing (4f) at right angles, directed towards the center of the panel (3), and forming a support angle on the lower part of the panel (3).
- a plurality of pins (4g) emerge from the internal face (4c ) of the core (4a), and comprise annular crimping beads.
- the trim (4) is assembled to a panel (3), by taking support in a lower notch of the same panel, by means of the angle iron (4f), and by fitting the nipples (4g) in the groove (3c). This fitting compresses the bead (4b) in passing, when the rim (4d) comes into contact with the edge (3a).
- the external face (4h) of the core (4a) of the profile comprises a draft allowing and facilitating the assembly of the various panels (1) and (2).
- a metal plate (6), of reinforcement is glued on the lower face (1b) of the slab, and completes the assembly of the lining (4) on the panel (3).
- the external face (4h) of the core (4a) of the profile (4) comprises a peripheral lip (4i), directed obliquely downward, overlapping the homologous and adjacent lip of the panel (2) assembled and neighbor.
- Each lip has a triangular profile. It can also be obtained in a plastic material different from that of the profile, for example a nitrile PVC, in particular by co-extrusion of two different plastic materials.
- the two overlapping lips complement, can replace the sealing of the two upper straight edges of the linings (4) belonging to two adjacent adjacent panels.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Bathtub Accessories (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
Description
La présente invention concerne une dalle pour plancher surélevé par rapport à un sol porteur.The present invention relates to a slab for a raised floor with respect to a load-bearing floor.
L'invention s'inscrit dans le domaine des planchers techniques, surélevés par rapport à un sol porteur, qu'il s'agisse d'une construction neuve ou aménagée, et obtenus en :
- disposant sur le sol une pluralité de vérins, déterminants entre eux un quadrillage du sol porteur ;
- éventuellement, en assemblant les vérins entre eux, au moyen de traverses de renfort, reliant les différents vérins ;
- déposant des dalles, jointives, reposant sur les vérins, et éventuellement les traverses, un vérin supportant en croix quatre coins appartenant à quatre dalles respectivement différentes mais adjacentes.The invention is in the field of raised floors, raised relative to a load-bearing floor, whether it is a new or fitted construction, and obtained by:
- arranging on the ground a plurality of jacks, determining between them a grid of the supporting ground;
- Optionally, by assembling the jacks together, by means of reinforcing crosspieces, connecting the different jacks;
- depositing slabs, contiguous, resting on the jacks, and possibly the sleepers, a jack supporting in cross four corners belonging to four respectively different but adjacent slabs.
De manière générale,une dalle destinée à un plancher technique, comporte, d'une part une face inférieure en vis-à-vis du sol porteur, constituée ou non par une plaque ou un film métallique, et d'autre part une face supérieure opposée, revêtue par exemple par un stratifié, sur laquelle des machines ou du mobilier sont posés, et sur laquelle marchent les personnes.In general, a slab intended for a raised floor, comprises, on the one hand a lower face facing the load-bearing floor, which may or may not consist of a metal plate or film, and on the other hand an upper face opposite, coated for example with a laminate, on which machines or furniture are placed, and on which people walk.
On connait déjà une dalle du type précité, ayant une forme et des dimensions modulaires, par exemple de forme carrée, et constituée par :
- un panneau de particules de bois agglomérées, de haute densité ;
- une garniture périphérique protégeant le chant de ce panneau, en matériau plastique, par exemple en PVC, et ayant la forme d'un profilé ; ce dernier présente en section droite une âme s'étendant en hauteur, du niveau de la face supérieure du panneau à celui de la face inférieure du meme panneau.A slab of the aforementioned type is already known, having a modular shape and dimensions, for example of square shape, and constituted by:
- a panel of high density agglomerated wood particles;
- A peripheral lining protecting the edge of this panel, made of plastic material, for example PVC, and having the shape of a profile; the latter presents in cross section a core extending in height, from the level of the upper face of the panel to that of the lower face of the same panel.
Lorsque ces dalles sont assemblées de manière jointive, sur les vérins définis précédemment, le plancher technique obtenu présente en général des défauts d'étanchéité. D'une part, l'eau ou de l'humidité peut s'introduire entre la garniture et le chant du panneau, et pénétrer au coeur des particules de bois agglomérées ; ce qui provoque un gonflement ou une détérioriation définitive de la dalle . D'autre part, il peut y avoir défaut d'étanchéité à l'air entre les différentes dalles assemblées ; ce qui est un inconvénient lorsque par exemple on veut assurer un circulation d'air dans le plenum situé entre le sol porteur et le plancher technique.When these slabs are joined together, on the cylinders defined above, the technical floor obtained generally has leaks. On the one hand, water or humidity can be introduced between the trim and the edge of the panel, and penetrate to the heart of the agglomerated wood particles; which causes swelling or permanent deterioration of the slab. On the other hand, there may be a lack of air tightness between the various assembled slabs; which is a disadvantage when for example we want to ensure air circulation in the plenum located between the load-bearing floor and the raised floor.
La présente invention se propose de remédier aux défauts d'étanchéité des dalles définies précédemment. Plus particuliérement, l'invention a pour objet une dalle présentant une étanchéité à l'eau et à l'air, lorsque le plancher technique est assemblé.The present invention proposes to remedy the sealing defects of the slabs defined above. More particularly, the invention relates to a slab having a water and air tightness, when the raised floor is assembled.
Conformément à l'invention, l'étanchéité à l'eau est assurée de la manière suivante.According to the invention, the water tightness is ensured in the following manner.
La garniture présente, de manière adjacente à la face supérieure de la dalle, un cordon saillant de l'âme du profilé vers le chant du panneau, de dureté inférieure à celle du matériau constitutif de l'âme , et susceptible de faire étanchéité aux liquides, par pression contre le panneau.The lining has, adjacent to the upper face of the slab, a protruding bead from the core of the profile towards the edge of the panel, of less hardness than that of the material of the core, and capable of sealing against liquids , by pressing against the panel.
Pour faire étanchéité à l'air, la face externe de l'âme du profilé comporte une lèvre périphérique, destinée à chevaucher la lévre homologue et adjacente d'un panneau assemblé voisin.To be airtight, the external face of the profile core has a peripheral lip, intended to overlap the homologous and adjacent lip of a neighboring assembled panel.
La présente invention est maintenant décrite par référence au dessin annexé, dans lequel la figure 1 représente une vue en coupe verticale de deux dalles selon l'invention, adjacentes, et assemblées de manière jointive pour former un plancher technique.The present invention is now described with reference to the accompanying drawing, in which FIG. 1 represents a view in vertical section of two tiles according to the invention, adjacent, and joined together to form a raised floor.
Conformément à l'invention, chaque dalle (1) ou (2) comporte un panneau (3) en particules de bois agglomérées de haute densité, découpées par exemple sous forme carrée. Une garniture périphérique (4) protège le chant (3a) du panneau ; cette garniture est en matériau plastique, par exemple en PVC, et a la forme d'un profilé. Comme le montre la figure 1, ce profilé présente en section droite une âme (4a) s'étendant en hauteur du niveau de la face supérieure (1a) à celui de la face inférieure (1b) de la dalle (1) par exemple.According to the invention, each slab (1) or (2) comprises a panel (3) made of high density agglomerated wood particles, cut for example in square form. A peripheral lining (4) protects the edge (3a) of the panel; this lining is made of plastic material, for example PVC, and has the shape of a profile. As shown in Figure 1, this profile has in cross section a core (4a) extending in height from the level of the upper face (1a) to that of the lower face (1b) of the slab (1) for example.
De manière adjacente à la face supérieure (1a), un cordon saillant (4b) est situé entre l'âme (4a) du profilé et le chant (3a) du panneau (3). Ce cordon a une dureté inférieure à celle du matériau constitutif de l'âme (4a), et est par exemple obtenu en élastomère PVC nitrile. Ce cordon (4b) est susceptible de faire étanchéité aux liquides, par pression entre le chant (3a) du panneau et la face interne (4c) de la garniture (4). La garniture (4) est donc un profilé bi-matière, monobloc, le matériau du cordon (4b) ayant une dureté inférieure à celle du matériau de l'âme (4a). Une telle garniture est obtenue par co-extrusion de deux matériaux différents, à savoir respectivement un PVC et un PVC - nitrile, le premier correspondant à l'âme (4a), et le second au cordon d'étanchéité (4b).Adjacent to the upper face (1a), a projecting bead (4b) is located between the core (4a) of the profile and the edge (3a) of the panel (3). This cord has a hardness lower than that of the material constituting the core (4a), and is for example obtained in nitrile PVC elastomer. This cord (4b) is capable of sealing against liquids, by pressure between the edge (3a) of the panel and the internal face (4c) of the lining (4). The lining (4) is therefore a bi-material, monobloc profile, the cord material (4b) having a lower hardness than that of the core material (4a). Such a lining is obtained by co-extrusion of two different materials, namely PVC and PVC - nitrile, the first corresponding to the core (4a), and the second to the sealing bead (4b).
Le cordon d'étanchéité (4b) est comprimé, voire recourbé vers le chant (3a) du panneau (3), du fait de la pression appliquée par la garniture (4), sous l'effet des moyens de fixation décrits ci-après.The sealing bead (4b) is compressed, or even bent towards the edge (3a) of the panel (3), due to the pressure applied by the lining (4), under the effect of the fixing means described below. .
Le profilé (4) présente deux rebords (4d) et (4e), le premier supérieur et adjacent à la face supérieure (1a), et le second inférieur et adjacent à la face inférieure (1b). Ces deux rebords sont en appui sur le chant (3a) du panneau (3),et ménagent un interstice (5) entre ce dernier et la face interne (4c) de l'âme (4a). Le cordon (4b) émerge, en oblique par rapport à l'âme (4a),au niveau de l'arrête entre cette dernière et le rebord supérieur (4d).The profile (4) has two flanges (4d) and (4e), the first upper and adjacent to the upper face (1a), and the second lower and adjacent to the lower face (1b). These two flanges are supported on the edge (3a) of the panel (3), and provide a gap (5) between the latter and the internal face (4c) of the core (4a). The cord (4b) emerges, oblique to the core (4a), at the edge between the latter and the upper edge (4d).
A la partie inférieure du profilé (4), adjacente à la face inférieure (1b), l'âme (4a), et plus précisément le rebord inférieur (4e), sont continus avec une aile (4f) à angle droit, dirigée vers le centre du panneau (3), et formant cornière d'appui sur la partie inférieure du panneau (3).At the lower part of the profile (4), adjacent to the lower face (1b), the core (4a), and more precisely the lower edge (4e), are continuous with a wing (4f) at right angles, directed towards the center of the panel (3), and forming a support angle on the lower part of the panel (3).
Une rainure (3c),perpendiculaire au chant (3a) du panneau (3),est ménagée de manière continue dans ce dernier,à partir du chant (3a) précité.Une pluralité de têtons (4g) émergent de la face interne (4c) de l'âme (4a), et comportent des bourrelets annulaires de sertissage.A groove (3c), perpendicular to the edge (3a) of the panel (3), is formed continuously in the latter, starting from the edge (3a) above. A plurality of pins (4g) emerge from the internal face (4c ) of the core (4a), and comprise annular crimping beads.
La garniture (4) est assemblée à un panneau (3),en prenant appui dans une encoche inférieure du même panneau, grâce à la cornière (4f),et en emmanchant les têtons (4g) dans la rainure (3c). Cet emmanchement comprime au passage le cordon (4b), lorsque le rebord (4d) vient au contact du chant (3a).The trim (4) is assembled to a panel (3), by taking support in a lower notch of the same panel, by means of the angle iron (4f), and by fitting the nipples (4g) in the groove (3c). This fitting compresses the bead (4b) in passing, when the rim (4d) comes into contact with the edge (3a).
La face externe (4h) de l'âme (4a) du profilé comporte une dépouille permettant et facilitant l'assemblage des différents panneaux (1) et (2).The external face (4h) of the core (4a) of the profile comprises a draft allowing and facilitating the assembly of the various panels (1) and (2).
Une plaque métallique (6), de renfort est collée sur la face inférieure (1b) de la dalle, et complète l'assemblage de la garniture (4) sur le panneau (3).A metal plate (6), of reinforcement is glued on the lower face (1b) of the slab, and completes the assembly of the lining (4) on the panel (3).
Au niveau de la dépouille, la face externe (4h) de l'âme (4a) du profilé (4) comporte une lèvre périphérique (4i), dirigée en oblique vers le bas, chevauchant la lèvre homologue et adjacente du panneau (2) assemblé et voisin. Chaque lèvre a un profil triangulaire. Elle peut être obtenue également, en un matériau plastique différent de celui du profilé, par exemple un PVC nitrile, notamment par co-extrusion de deux matériaux plastiques différents. Les deux lèvres se chevauchant complètent, peuvent se substituer à l'étanchéité des deux bords droits supérieurs des garnitures (4) appartenant à deux panneaux adjacents voisins.At the level of the draft, the external face (4h) of the core (4a) of the profile (4) comprises a peripheral lip (4i), directed obliquely downward, overlapping the homologous and adjacent lip of the panel (2) assembled and neighbor. Each lip has a triangular profile. It can also be obtained in a plastic material different from that of the profile, for example a nitrile PVC, in particular by co-extrusion of two different plastic materials. The two overlapping lips complement, can replace the sealing of the two upper straight edges of the linings (4) belonging to two adjacent adjacent panels.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT88420359T ATE64430T1 (en) | 1987-10-23 | 1988-10-21 | COVER PLATE FOR A RAISED FLOOR. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8714958 | 1987-10-23 | ||
| FR8714958A FR2622233B1 (en) | 1987-10-23 | 1987-10-23 | Raised floor slab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0313485A1 true EP0313485A1 (en) | 1989-04-26 |
| EP0313485B1 EP0313485B1 (en) | 1991-06-12 |
Family
ID=9356269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP88420359A Expired - Lifetime EP0313485B1 (en) | 1987-10-23 | 1988-10-21 | Floor slab for a sectional false floor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0313485B1 (en) |
| AT (1) | ATE64430T1 (en) |
| DE (1) | DE3863272D1 (en) |
| FR (1) | FR2622233B1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU90937B1 (en) * | 2002-07-05 | 2004-01-06 | Uniflair Int Sa | Floor panel for an elevated floor assembly |
| WO2004085764A1 (en) | 2003-03-24 | 2004-10-07 | Kingspan Holdings (Irl) Limited | Floor panel with sealing lip |
| EP1767724A1 (en) * | 2005-09-22 | 2007-03-28 | Flooring Technologies Ltd. | Connection element |
| US7509782B2 (en) * | 2004-04-13 | 2009-03-31 | Tate Asp Access Floors, Inc. | Metal framed floor panel having flange outward of rib with u-shaped portion of gasket over top of rib, portion of gasket between rib and flange, and convex sealing portion of gasket below flange and outward of rib |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008010868U1 (en) * | 2008-08-14 | 2010-01-07 | Rehau Ag + Co | Double base plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2102050A1 (en) * | 1971-01-16 | 1972-07-27 | Homuth geb. Schimmel, Christel; Schimmel, Günther; 4816 Sennestadt | Base plate for creating mobile floors and platforms |
| GB1311487A (en) * | 1969-11-27 | 1973-03-28 | Harvey M A | Edging or lipping |
| FR2176475A1 (en) * | 1972-03-20 | 1973-11-02 | Steel & Cie Sa | |
| DE2253007A1 (en) * | 1972-10-28 | 1974-05-09 | Ryschka Karl Heinz | EDGE PROTECTION SEALING LIP |
| US4085557A (en) * | 1976-06-01 | 1978-04-25 | James A. Tharp | Raised access floor system |
| DE2846341A1 (en) * | 1978-10-25 | 1980-05-08 | Aluminium Press Walzwerk | Stall floor allowing passage of dung - has interrupted portions in rails into which coupling components may slide |
| EP0128428A2 (en) * | 1983-06-10 | 1984-12-19 | ROBERTSON BAUELEMENTE GmbH | Floor panel for elevated floor assembly |
-
1987
- 1987-10-23 FR FR8714958A patent/FR2622233B1/en not_active Expired - Fee Related
-
1988
- 1988-10-21 AT AT88420359T patent/ATE64430T1/en not_active IP Right Cessation
- 1988-10-21 DE DE8888420359T patent/DE3863272D1/en not_active Expired - Fee Related
- 1988-10-21 EP EP88420359A patent/EP0313485B1/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1311487A (en) * | 1969-11-27 | 1973-03-28 | Harvey M A | Edging or lipping |
| DE2102050A1 (en) * | 1971-01-16 | 1972-07-27 | Homuth geb. Schimmel, Christel; Schimmel, Günther; 4816 Sennestadt | Base plate for creating mobile floors and platforms |
| FR2176475A1 (en) * | 1972-03-20 | 1973-11-02 | Steel & Cie Sa | |
| DE2253007A1 (en) * | 1972-10-28 | 1974-05-09 | Ryschka Karl Heinz | EDGE PROTECTION SEALING LIP |
| US4085557A (en) * | 1976-06-01 | 1978-04-25 | James A. Tharp | Raised access floor system |
| DE2846341A1 (en) * | 1978-10-25 | 1980-05-08 | Aluminium Press Walzwerk | Stall floor allowing passage of dung - has interrupted portions in rails into which coupling components may slide |
| EP0128428A2 (en) * | 1983-06-10 | 1984-12-19 | ROBERTSON BAUELEMENTE GmbH | Floor panel for elevated floor assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU90937B1 (en) * | 2002-07-05 | 2004-01-06 | Uniflair Int Sa | Floor panel for an elevated floor assembly |
| WO2004085764A1 (en) | 2003-03-24 | 2004-10-07 | Kingspan Holdings (Irl) Limited | Floor panel with sealing lip |
| US7509782B2 (en) * | 2004-04-13 | 2009-03-31 | Tate Asp Access Floors, Inc. | Metal framed floor panel having flange outward of rib with u-shaped portion of gasket over top of rib, portion of gasket between rib and flange, and convex sealing portion of gasket below flange and outward of rib |
| EP1767724A1 (en) * | 2005-09-22 | 2007-03-28 | Flooring Technologies Ltd. | Connection element |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2622233A1 (en) | 1989-04-28 |
| ATE64430T1 (en) | 1991-06-15 |
| EP0313485B1 (en) | 1991-06-12 |
| DE3863272D1 (en) | 1991-07-18 |
| FR2622233B1 (en) | 1990-02-09 |
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