EP3106584B1 - Marche améliorée pour des escaliers à grille pouvant être foulée - Google Patents
Marche améliorée pour des escaliers à grille pouvant être foulée Download PDFInfo
- Publication number
- EP3106584B1 EP3106584B1 EP16174241.6A EP16174241A EP3106584B1 EP 3106584 B1 EP3106584 B1 EP 3106584B1 EP 16174241 A EP16174241 A EP 16174241A EP 3106584 B1 EP3106584 B1 EP 3106584B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grating
- stair tread
- bands
- end plates
- elements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/104—Treads
- E04F11/112—Treads of metal or with an upper layer of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/42—Gratings; Grid-like panels
- E04C2/421—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction
- E04C2/422—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern
- E04C2/423—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern with notches
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/104—Treads
- E04F2011/1046—Miscellaneous features of treads not otherwise provided for
Definitions
- the present invention relates to the sector of metal staircases provided with treadable-grating surfaces, permeable to air and light.
- the weight of grating surfaces to be laid in situ, including steps, is one of the main aspects that involve great resources both from the commercial standpoint (for quantifying the costs when drawing up the bid) and from the technical standpoint (when drawing up the detailed design).
- anti-vertigo function which constitutes an important element for marketability of the product.
- a first purpose of the present invention is to reduce the weight of each step, at the same time enabling wide operating spans.
- a second purpose of the invention is to guarantee an anti-vertigo function that would not otherwise be possible with grating steps of a conventional type.
- an improved high-strength lightweight metal sectional element for treadable gratings, envisages a cross section presenting one or more bends and/or counter-bends at least one of the ends in order to have a high moment of inertia to bending as compared to other metal sectional elements with cross sections of equal area.
- a visually screened grating in particular for walkable surfaces in elevated position, including a plurality of adjacent supporting bars, parallel to each other, and having a stamped profile, with at least one fold or curvature.
- EP2698483 nor ES2317740 disclose or suggest a standard grating stair tread step provided with reinforced elements which are inserted under - and therefore separated from - the step itself.
- the inventive idea underlying the present invention basically consists in providing a functional and structural co-operation between a step of a standard type and reinforcement elements of various types that can be inserted underneath the treading surface of the step itself.
- the steps of a conventional type that are shown in the (non-limiting) example of embodiment referred to in the present description have a mesh with bars having a cross section smaller than the one specified in the load tables: in fact, according to the present invention, the required strength is obtained thanks to insertion of elements underneath the step to achieve the desired load-bearing capacity, at the same time providing a product having a lower weight as compared to products so far known.
- the standard step ( Figure 1A ) is constituted by a grating that may be of various types (e.g., 15 ⁇ 76/30 ⁇ 3) and is basically made up of:
- the step shown in Figure 2 presents a considerably lower weight than steps of a traditional type that are designed to withstand the same load, and at the same time creates an anti-vertigo function by means of the underlying sectional elements.
- a variant of the step forming the subject of the present invention ( Figure 4 ) has a more marked and specific anti-vertigo function, in so far as it envisages the use, once again on the underside of the grating of the step itself, of an obscuring panel with inclined bars 2'.
- the inclined bars 2' have an inclination and are set at a distance from one another such as to prevent the user from seeing through the grating of the steps, eliminating the possibility of the user realizing the height reached when he is looking where he puts his feet.
- the distance of the inclined bars 2' from the grating is a function of the necessary load-bearing capacity, and the inclined bars 2' are rendered fixed with respect to the end plates 5 (adequately enlarged) and structurally participating by means of one or more bands 3 made of sheet metal arranged orthogonal thereto and to the treading surface.
- one of these bands 3 is shown with a perimeter identified by a dashed line.
- said bands 3 be provided with appropriate shaped notches or slots 6 designed to mate with the boundaries of the cross section of the sectional elements 2 described previously ( Figures 3 and 5 ).
- a further peculiar characteristic of the invention lies in the fact that said bands 3 are fixed to the sectional elements 2, 2' at the edges of the shaped slots or notches 6.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
- Steps, Ramps, And Handrails (AREA)
Claims (7)
- Marche pour des escaliers à grille pouvant être foulée, comprenant :- un giron à grille (1) ayant une longueur convenant pour la largeur d'un escalier ; et- au moins deux plaques d'extrémité (5) pour attacher la marche aux limons extérieurs de l'escalier ;dans laquelle les barres du giron à grille (1) sont soudées sur lesdites plaques d'extrémité (5),
ladite marche étant caractérisée en ce que :
des éléments de renforcement sont ménagés sous ledit giron à grille (1) de la marche elle-même, lesdits éléments de renforcement comprenant :- des éléments sectionnels en forme de L (2) intégrés sur le dessous du giron à grille (1) et fixés aux plaques d'extrémité (5) ; et- une ou plusieurs bandes de renforcement (3) réalisées en tôle métallique agencées orthogonalement aux éléments sectionnels en forme de L (2) et à la surface à fouler ;moyennant quoi une coopération fonctionnelle et structurelle est obtenue entre ledit giron à grille (1) et lesdits éléments de renforcement. - Marche pour des escaliers à grille pouvant être foulée, comprenant :- un giron à grille (1) ayant une longueur convenant pour la largeur d'un escalier ; et- au moins deux plaques d'extrémité (5) pour attacher la marche aux limons extérieurs de l'escalier ;dans laquelle les barres du giron à grille (1) sont soudées sur lesdites plaques d'extrémité (5),
ladite marche étant caractérisée en ce que :des éléments de renforcement sont ménagés sous ledit giron à grille (1) de la marche elle-même,lesdits éléments de renforcement comprenant :dans laquelle lesdites barres inclinées (2') sont rendues structurellement participatives au moyen desdites bandes de renforcement (3).- un panneau de dissimulation avec des barres inclinées (2') pour mettre en œuvre une fonction anti-vertige, qui est agencé de façon appropriée sur le dessous du giron à grille (1), et- une ou plusieurs bandes de renforcement (3) réalisées en tôle métallique agencées orthogonalement aux barres inclinées (2') et à la surface à fouler ; - Marche selon la revendication 2, caractérisée en ce que lesdites barres inclinées (2') ont une inclinaison et son installées à une distance les unes des autres de façon à empêcher l'utilisateur de voir à travers la grille des marches, éliminant ainsi la possibilité que l'utilisateur se rende compte de la hauteur atteinte lorsqu'il regarde où il met les pieds.
- Marche selon la revendication 1, caractérisée en ce que lesdites bandes (3) sont pourvues d'encoches ou de fentes conformées appropriées (6) conçues pour s'apparier avec les pourtours de la section des éléments sectionnels en forme de L (2) auxquels elles sont contraintes.
- Marche selon la revendication précédente, caractérisée en ce que lesdites bandes (3) sont fixées aux éléments sectionnels en forme de L (2) au niveau des bords des fentes ou encoches conformées (6), et lesdits éléments sectionnels en forme de L (2) sont fixés aux plaques d'extrémité (5) au niveau de leurs extrémités.
- Marche selon la revendication 2, caractérisée en ce que lesdites bandes (3) sont pourvues d'encoches ou de fentes conformées appropriées (6) conçues pour s'apparier avec les pourtours de la section des barres inclinées (2') auxquelles elles sont contraintes.
- Marche selon la revendication précédente, caractérisée en ce que lesdites bandes (3) sont fixées aux barres inclinées (2') au niveau des bords des fentes ou encoches conformées (6), et lesdites barres inclinées (2') sont fixées aux plaques d'extrémité (5) au niveau de leurs extrémités.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITUB20151524 | 2015-06-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3106584A1 EP3106584A1 (fr) | 2016-12-21 |
| EP3106584B1 true EP3106584B1 (fr) | 2022-04-20 |
Family
ID=54199964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16174241.6A Active EP3106584B1 (fr) | 2015-06-19 | 2016-06-13 | Marche améliorée pour des escaliers à grille pouvant être foulée |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP3106584B1 (fr) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1978791U (de) * | 1967-10-07 | 1968-02-15 | Lichtgitter Gmbh | Gitterrost. |
| DE2732593A1 (de) * | 1977-07-19 | 1979-02-01 | Baecker Josef Fa | Selbsttragendes begehbares gitterrostelement fuer zwischenboeden |
| DE10033530B4 (de) * | 2000-07-11 | 2006-07-27 | Heifa Kamin- Und Korrosionsschutz Vertriebs Gmbh | Steckbausystem für ein blickdichtes Tragwerk |
| ITMI20051120A1 (it) * | 2005-06-15 | 2006-12-16 | Orsogril S P A | "grigliato a schermatura visiva, in particolare per superfici calpestabili in posizione rialza" |
| ITRM20120409A1 (it) * | 2012-08-13 | 2014-02-14 | Italiana Keller Grigliati S C A R L | Profilato perfezionato ad alta resistenza meccanica e peso ridotto, in particolare per grigliati calpestabili. |
-
2016
- 2016-06-13 EP EP16174241.6A patent/EP3106584B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3106584A1 (fr) | 2016-12-21 |
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