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
  • E04F15/02447—Supporting structures
• • 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
• • 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
  • E04F15/02411—Floor panels with integrated feet

Definitions

• the present invention relates to a raised floor based on modular slabs mounted on vertical supports, spaced from each other, bearing on the ground.
• the currently known raised floors consist of modular, generally square slabs which are joined to one another in a horizontal plane and the vertices of which rest on horizontal support plates formed by upper horizontal heads of vertical supports spaced apart. others.
• Each of these supports comprises a lower sole applied to the ground and a vertical connecting element, of fixed or adjustable length, between the lower sole applied to the ground and the upper head for supporting the slabs.
• the tops of the slabs are generally simply placed on the upper support head of each support, their position on this head being determined by elements projecting upwards carried by the upper head of the support, these elements protruding generally consist of spikes which, in the case of square or rectangular slabs, are regularly distributed at 90 ° from each other around the vertical axis of the support, axis on which the vertices of four are found to be merged adjacent tiles.
• the pins are freely engaged in delimited intervals between the lower parts of the edges of the slabs and therefore the mounting of the adjacent slabs on the support is relatively loose so that the floor finally obtained is not perfectly stabilized.
• the raised floor the surface of which consists exclusively of modular slabs 1 in the shape of a regular polygon, having along their sides vertical edges 6 perpendicular to the plate 7 forming the base surface of said slabs 1, supported in their vertices by vertical supports 2 bearing on the ground, is characterized in that there is provided on the upper head 5 of the vertical supports 2 normally rectangular radial notches 4 opening into the periphery of said upper head 5 and the width of said radial notches 4 being determined so as to cause a tightening by vertical interlocking in a radial notch 4 of the vertical edges 6 facing each other, said vertical edges 6 belonging to two adjacent slabs 1.
• FIG. 1 is a perspective view of a mounting device according to the invention ensuring the maintenance of square or rectangular slabs on a common support provided to support four slabs.
• FIG. 1 is a vertical sectional view taken along the line II-II of Figure 1.
• FIG. 3 is a plan view of a square shaped floor slab.
• - Figure 4 is a side view of the slab of Figure 3 taken from the left in this figure.
• - Figure 5 is a perspective view of an alternative embodiment of the device for mounting square or rectangular modular tiles.
• - Figure 6 is a vertical sectional view taken along the line VI-VI of Figure 5.
• - Figure 7 is a side view of a slab according to an alternative embodiment of the floor.
• FIG. 8 is a plan view of a square floor slab according to an alternative embodiment of the raised floor.
• - Figure 9 is a side view of the slab of Figure 8 taken from the left in this figure.
• FIG. 10 is a view identical to that of Figure 9 according to a different variant of the slab.
• FIGS 11 and 12 are plan views of a square slab of the floor having the two possible forms of distribution of the bosses on the edges of the slabs.
• FIG. 13 is a plan view of a raised floor according to a variant of the invention where the tiles are in the shape of an equilateral triangle.
• FIG. 14 is a plan view of a slab of the sheet metal floor cut and folded in the shape of an equilateral triangle.
• FIG. 15 is a side view of the slab of Figure 14 taken from the left in this figure.
• FIG. 16 is an enlarged plan view partially in horizontal section of the attachment area of six adjacent triangular slabs on a common support.
• FIG. 17 is a partial vertical sectional view taken along the line XVII-XVII of Figure 16.
• - Figure 18 is a bottom view of the six adjoining slabs as shown in Figure 16.
• FIG. 19 is a bottom view of a sheet metal edge slab cut and folded in the shape of an isosceles trapezoid.
• - Figure 20 is a side view of the edge slab of Figure 19.
• FIG. 27 is a top view of the alternative embodiment of the support presented in Figure 26.
• the mounting device shown in Figures 1 to 3 is intended to ensure the maintenance of horizontal modular slabs 1, square or rectangular, of a raised floor on vertical supports 2 resting on the floor on which the raised floor is to be mounted .
• These vertical supports 2 are spaced from each other by a distance corresponding to the dimensions of the modular slabs 1.
• Each vertical support 2, of fixed or adjustable height comprises, at its lower part, a support sole on the ground, not shown. in the drawing, and, at its upper end, a horizontal support head 5 on which rest the tops of the modular slabs 1.
• FIG. 1 only two slabs have been partially represented, but it is clear that each vertical support 2 serves supporting four square or rectangular slabs 1.
• the width of the rectangular notches 4, provided on the upper head 5 of the vertical supports 2 and opening into its periphery is determined so as to cause the vertical edges 6 to be tightened opposite one another, when said said facing vertical edges 6 belonging to two adjacent slabs 1 are fitted vertically in a radial notch 4.
• Figs 3 and 4 show a variant of modular square tiles according to which the edge 6 of said tile extends horizontally over a length less than that of one side of the tile while being centered on the middle of the side.
• FIGS. 5 and 6 show a mounting device according to another variant of slabs.
• each edge 6 of a square or rectangular slab 1 is constituted by a lateral rim, folded square at the bottom of the upper plate 7 of the slab 1, this edge 6 extends over a part of the length of the side of the slab, ends at a distance from the top 0 of the slab and it is extended towards this top for a short distance by a vertical hanging song 3 of smaller height constituting an element for locking the slab 1 on the upper horizontal head 5 of a vertical support 2.
• this head 5 has four rectangular radial notches 4, opening into the periphery of the head 5 of circular or polygonal shape, converging towards the center 0 and distributed regularly at 90 ° from each other around the vertical axis zz 'of the support 2.
• Each locking notch 4 has a rectangular shape and its width e is equal, in the case of edges without boss, to twice the thickness of an attachment edge 3 of reduced height.
• each notch 4 is sufficient to be able to receive all of the hanging edge 3 and thus allow the support of the corner of the slab 1 on the central part of the head 5 without 'he there is contact between the vertical edges 8 of the parts 3 of the edges 6 ensuring the attachment of the tiles 1, with the vertical bottom 9 of the notches 4.
• the adjacent slabs 1 are held firmly on the head 5 of the support 2 by their hanging edges 6 which are engaged tightly in the locking notches 4 and are pressed against each other other because the width e of each notch 4 is twice the thickness of the edges 6.
• FIG. 7 is a profile view of the slabs shown in FIGS. 5 and 6.
• FIGS. 11 and 12 illustrate an alternative embodiment of the tiles according to the invention in which the end 3 of the edge 6 ensuring the attachment of each tile 1 in a radial notch 4 is constituted by an elastic tongue 10 obtained by practicing a vertical notch 11 or horizontal notch 12 in the edge 6.
• a boss 13 which corresponds to another alternative embodiment of the slabs.
• one elastic tongue out of two is provided with a boss 13 according to a distribution illustrated by FIGS. 11 and 12.
• FIGS. 11 and 12 illustrates the two possible distributions of the bosses which allow mounting are shown. tiles according to the invention.
• the shape of the tiles is not limiting and that the same effects would be obtained with triangular or hexagonal tiles.
• the purpose of the elastic tongues 10 is to allow a fixing of the slabs on the supports, this fixing having a certain elasticity, that of the tongues, while maintaining a tight mounting of said tongues 10 in the notches 4 provided on the heads 5 of the supports.
• the addition of a boss on one of the two tongues facing each other inside a notch 4 makes it possible to create a clearance between the surfaces 7 of the corresponding adjacent slabs.
• FIG. 14 we can see a raised floor according to the invention consisting of a set of horizontal modular tiles 1, contiguous to each other, of the same dimension and of the same equilateral triangular shape.
• the vertices of the individual slabs 1 are merged into points 0 constituting nodes of a mesh network with triangular meshes that constitute all of the slabs 1.
• Each node 0 of the network constitutes the common vertex of six triangular slabs 1 distributed regularly around a vertical axis passing through node 0 and jointly constituting a regular hexagon. Every node 0 is associated with an underlying support 2, which will be described in detail below.
• This support 2 can be constituted by an independent element, as illustrated for example in FIGS. 21 to 27.
• each triangular slab 1 is supported on the ground at three points 0 which are formed by the three vertices of the equilateral triangle it constitutes.
• Modular tiles 1 in the shape of an equilateral triangle are only used if the length L of the surface to be covered by the raised floor is equal to a multiple of the height h of each triangular tile 1.
• auxiliary edge slabs 14 which each have the shape of an isosceles trapezium corresponding to three main triangular standard slabs 1 joined together .
• each edge slab 14 has a length equal to that of the side of the triangular slab 1, the length of its large base is equal to twice the length of the side of a triangular slab 1, and the height of a trapezoidal edge slab 14 is equal to the height h of a triangular slab 1.
• the central region of the large base of each edge slab 14 is arranged so as to be able to receive a standard support or a standard jack, as we will see it later.
• the edge slabs 14 ensure good stability of the floor along the walls, after execution of the adjustment cuts. Figure 14 shows various scenarios explaining this need.
• the cut made in the direction of the arrow a shows that triangular main tiles 1 give a correct result, that is to say a correct support on the length al.
• the lengths a.2 and a3 show two other possibilities of adjustment by means of edge plates 14 truncated to obtain a correct result.
• the cut in the direction of arrow b shows that the small areas x of the triangular slabs 1, remaining after cutting and indicated by hatching, are insufficient and cannot be suitable over the length bl to ensure one. correct support.
• edge slabs 14 are used over the length b_2 and the remaining parts, remaining after cutting, shown in hatching, have a sufficient surface area to then obtain correct support.
• Figs 14,15,16,17 and 18 represent the triangular slabs corresponding to the variant of the invention considered.
• the characteristics are the same as for any modular slab of regular polygonal shape.
• the underlying support 2 has an upper bearing face 5 in which six converging radial notches 4 are hollowed out which are distributed regularly, at 60 ° from one another, on a circle with center 0 where the vertices of six are found. adjacent triangular slabs 1, as shown in FIG. 16. If the bearing face 5 is circular, it can be seen that each corner of a triangular slab 1 is supported on a sector of 60 "from the bearing face circular 5. The parts 3 of the edges 6, folded down, are engaged in the converging radial notches 4.
• each notch 4 is chosen to be twice the thickness of the parts 3 of the edges 6, the edges 6 of two adjacent triangular slabs 1 are clamped and locked one against the other in the same notch 4, as can be seen in FIGS. 17 and 18, which ensures firm attachment of the slabs 1 on the support 2.
• the converging shapes of the notches 4 ensure the horizontal retention of the slabs 1 and the three-point support for each slab 1 ensures perfect stability which eliminates any risk of vertical movement which could cause disassembly, but while allowing disassembly easy, fast and effortless.
• each support 2 is particularly stable since it is held simultaneously by six adjacent triangular slabs 1.
• FIGS. 14, 15, 16, 17 and 18 the edges 6 have been shown in their simplest form, that is to say without reduction in height at their ends, without tongues and without bosses, this obviously in a aim of simplification of the representation. It is clear that all these various variants are obviously applicable to triangular slabs.
• the width of the radial notches 4 will be equal to twice the thickness of the tongues 10 plus once the thickness of the boss 13.
• the bottom view of FIG. 18 shows the way the edges 6 of the triangular slabs 1 are joined to each other, establishing the continuity of the floor.
• Figures 19 and 20 show an embodiment of a trapezoidal edge slab 14.
• This edge slab can also be constituted, like the triangular slab 1, by a sheet cut and folded so as to form a trapezoidal base plate 35 which has, on its sides, flanges 15 folded at right angles in the same direction and ending at the same distance from the vertices of the base plate 35.
• the two inclined sides and the small base of the trapezoidal slab 35 comprise each a edge 15 while the large base of the slab has two separate edges 15 obtained by making a recess 34 centered on the edge of the large base. This recess 34 between the two edges 15 of the large base is necessary for the attachment of the edge slab 14 on the underlying supports.
• each support constituted by independent elements which are intended to receive, according to a preferred variant of the invention considered, on their upper faces, the triangular slabs 1 and the trapezoidal edge slabs 14 and to keep them assembled, determine the height of the plenum obtained, that is to say of the empty space under the floor, which is equal to their own height.
• Each support has a horizontal upper face 5 in which the six converging radial notches 4 are formed, distributed at 60 ° relative to each other, around the center 0 of the upper face 5.
• the support 16 which is shown in FIG. 21, is made in a single stamped steel part, of generally frustoconical shape converging upwards, terminated at its lower part by an external flange 17 constituting a support sole on the ground.
• the upper face of the upper horizontal wall 18 of the support 16 constitutes by itself the flat face 5 for supporting and hooking the slabs.
• the radial notches 4 are hollowed out both in the upper wall 18 and in the upper part of the frustoconical side wall.
• the support 16 has a solid upper wall 20 to which is fixed, for example by welding, an attached circular plate 19 in which the radial notches are formed 4.
• the support 21 consists of three parts assembled together by welding or by another method, namely a lower horizontal sole 22, an upper horizontal head 23 in which are hollowed out the radial notches 4 for the attachment of slabs, and an intermediate vertical body 24 extending between the sole 22 and the head 23, all of these elements preferably being made of steel.
• the support 25 comprises a lower block 26, of frustoconical shape, made of a material possibly inert to fire such as resin, plastic, plaster, cement, anhydrites, calcium silicate, wood chipboard, etc.
• a material possibly inert to fire such as resin, plastic, plaster, cement, anhydrites, calcium silicate, wood chipboard, etc.
• an upper circular plate 27 of steel from which are cut the radial notches 4 which extend above corresponding radial grooves 28 formed in the upper face of the block 26 .
• the support 29 consists of a molded block, with a ribbed structure, of light alloy, plastic, compressed wood, resin, etc.
• the support 29, of generally frustoconical shape, has, in its horizontal wall upper, six radial grooves 30 coming from molding and arranged at 60 ° from each other as in the embodiments previously described.
• the support 31 consists of a hexagonal shape of molded material hollowed out from six radial notches 32 and provided with six reinforcing ribs 33 offset by 30 ° relative to the radial notches. reinforcement notches 33 making it possible both to increase the support surface on the ground and the support surface of the slabs.

Applications Claiming Priority (5)

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ID=26230216

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• 1994
  • 1994-03-30 CN CN94192123.9A patent/CN1074081C/zh not_active Expired - Fee Related
  • 1994-03-30 DE DE69411379T patent/DE69411379T2/de not_active Expired - Fee Related
  • 1994-03-30 RU RU95117957A patent/RU2126479C1/ru active
  • 1994-03-30 SK SK1228-95A patent/SK122895A3/sk unknown
  • 1994-03-30 ES ES94912568T patent/ES2120617T3/es not_active Expired - Lifetime
  • 1994-03-30 WO PCT/FR1994/000356 patent/WO1994023152A1/fr not_active Application Discontinuation
  • 1994-03-30 JP JP6521752A patent/JPH08512371A/ja active Pending
  • 1994-03-30 PL PL94310947A patent/PL310947A1/xx unknown
  • 1994-03-30 BR BR9406169A patent/BR9406169A/pt not_active IP Right Cessation
  • 1994-03-30 AT AT94912568T patent/ATE167912T1/de not_active IP Right Cessation
  • 1994-03-30 US US08/525,657 patent/US5749188A/en not_active Expired - Lifetime
  • 1994-03-30 CZ CZ952545A patent/CZ254595A3/cs unknown
  • 1994-03-30 EP EP94912568A patent/EP0694105B1/de not_active Expired - Lifetime
  • 1994-03-30 TW TW083102789A patent/TW243483B/zh active
  • 1994-03-30 AU AU65064/94A patent/AU687046B2/en not_active Ceased
  • 1994-03-30 CA CA002159361A patent/CA2159361C/fr not_active Expired - Fee Related
  • 1994-03-30 HU HU9502864A patent/HUT73603A/hu unknown
• 1995
  • 1995-10-30 BG BG100103A patent/BG62217B1/bg unknown

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