Classifications

• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
  • E01C5/00—Pavings made of prefabricated single units
  • E01C5/20—Pavings made of prefabricated single units made of units of plastics, e.g. concrete with plastics, linoleum
• • 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
  • E04F15/02447—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
  • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials

Definitions

• the present invention relates to a removable composite structure capable of constituting a floor covering or the like, advantageously constituted by a plurality of juxtaposed slabs, joined together, carried by feet which rest on the ground or other support surface. gue and create a vacuum between said bearing surface and the slab.
• Removable floor coverings including a metal frame made up of tubular elements, and metal, wood or plastic slabs, capable of being fixed removably on this framework, these slabs being provided on the one of their faces with a plurality of clips which allow them to be fixed by clipping onto the said frame, through openings being formed in the slabs between the branches of the clips to allow them to be stacked during storage and transport.
• the juxtaposed slabs are joined together by a tenon and mortise system.
• the frame is formed of side members and cross members, which are detachably assembled together by means of clips carried by the side members, and the cross members.
• the feet generally of frustoconical shape, are preferably hollow and open at their upper part to allow stacking of the slabs during storage and transport, so that to ensure the continuity of the paving, we are obliged to close the upper end of the feet with built-in covers.
• the present invention has therefore set itself the aim of providing a removable composite structure capable of constituting a floor covering or the like, which better meets the needs of practice than the floor coverings proposed in the prior art, in particular in that it eliminates the need for a metal frame, and, consequently, the need to provide members for fixing the elements of the frame to one another and for members for fixing the slabs to a frame, in that it avoids the disadvantages, and in particular the rigidity and the lack of adaptability to the conditions of the underlying bearing surfaces, of an immovable solidarity of the feet with the slabs and in that it constitutes a continuous floor covering or the like whose slabs which constitute it have a relative mo ⁇ mobility with respect to each other to match the unevenness of the underlying ground and whose feet are replaceable to adapt to the conditions - structure, inequalities, etc. - of the underlying land.
• the subject of the present invention is a removable composite structure capable of constituting a floor covering or the like, comprising a plurality of juxtaposed slabs fastened together, carried by feet to create a vacuum between the bearing surface on which the feet rest, and the paving, which feet, made of plastic material, include a hollow lower part separated from the upper part by a substantially horizontal wall the, which removable composite structure is characterized in that each slab is made of plastic and is constituted by a flat upper surface and by a lower surface reinforced by a plurality of ribs and in which is also provided at least one compor ⁇ area both projections of suitable shape for fixing the feet by snap-fastening, and in that to said zone corresponds a foot, of substantially frustoconical shape, which comprises a hollow lower part separated from the upper part by a substantially horizontal wall, which part su Southerneu ⁇ re has a central recess defined at its base par- ladi ⁇ te substantially horizontal wall and on its sides by side faces having a profile capable of snapping onto the projections that
• the lower edge of each foot comprises a substantially horizontal peripheral flange, bearing on the underlying surface on which the composite structure is intended to be asked.
• the lower face of one, more or all of the slabs of said structure carries several zones each comprising at least one group of projections having a profile according to the invention, for the snap-fitting of a profile foot corresponding to each of said zones.
• one, several or all of the slabs of said structure comprise in one or more of their marginal parts, one or more areas for fixing the feet by snap-fastening, which is a partial area, that is to say an area comprising only part of the snap projections, the whole of each of the fixing zones being formed by juxtaposition of corresponding partial zones carried by adjacent slabs juxtaposed.
• the or a zone for fixing a foot by snap-fastening comprises at least one group of ribs having a non-rectilinear profile on at least one of their lateral faces , such that the upper and lower ends of each of said ribs have a substantially equal thickness, which thickness decreases progressively from the upper end of each of said ribs, substantially to mid-height, then gradually increases, up to the lower end of each of said ribs, thus defining an obtuse angle, and the upper part of the corresponding foot has a central recess whose lateral faces present an inner profile with a projecting obtuse angle, of shape corresponding to that of longitudinal sides, with obtuse angle profile, ribs of the aforementioned areas formed on the face in lower slabs, said upper part of the foot further comprising indentations on its upper edge to allow the mounting of a foot considered overlapping on the reinforcing ribs of the slab, adjacent to each of said
• each zone for fixing a foot by snap-on floor, formed on the underside of a slab comprises two groups of each three snap ribs, the three ribs of one of the groups being parallel to each other and arranged perpendicular to the three ribs of the other group which are also parallel to each other.
• said partial zone comprises a first group of three snap-fit ribs parallel to each other and a second group of snap ribs perpendicular to the ribs of the first group, said second group having only two ribs parallel to each other.
• said partial zone comprises only two snap-fitting ribs perpendicular to each other, the juxtaposition of four partial zones each comprising two per ⁇ pendicular ribs, carried by the angle zones of four adjacent slabs, forming a complete area for fixing a foot by snap-fastening.
• the feet also play the role of joining four adjacent tiles, while according to the previous arrangement, the feet play the role of joining two adjacent tiles.
• the edges of the slab comprise a substantially vertical skirt whose height is substantially equal to that of the reinforcement ribs of the slab and that of the snap ribs provided in the areas for fixing the feet by snap-fastening.
• said skirt has a non-rectilinear profile defined by an obtuse angle projecting outwards.
• the obtuse angle that the profile of the skirt presents is between 165 and 175 °.
• the obtuse re-entrant angle presented by the profile of at least one of the lateral faces of the latching ribs provided in the zones for fixing the legs by latching, formed on the underside of a slab is between 100 and 140 e .
• the zone or zone "for fixing a foot by snap-fastening comprises a plurality of projections each consisting of a rod ending in a substantially hemispherical volume and with a slope which is advantageously of the order of 8 to 12 th , and the upper part of the corresponding foot has a central recess, the upper edge of which has a lead, the assembly of the foot with the above-mentioned fixing zone being produced by snap-fitting of said overhang with the corresponding projection of said zone
• at least a marginal part of a slab carries at least one partial zone for fixing a foot by encli ⁇ quêtage, which partial area comprises a projection com ⁇ posed of a rod ending in a volume having substantially the shape of a quarter of a sphere.
• said projection has a non-recilinear external profile, defined by an obtuse angle projecting outwards.
• the edges of each cune of the slabs of which the said structure is made up have recessed parts and protruding parts, the protruding parts of a slab fitting into the evi ⁇ ed parts of an adjacent slab to ensure the assembly of the slabs adjacent juxtaposed of which said structure is composed.
• the slabs are assembled in accordance with the invention, to form said structure, either by the mortise and mortise system defined above, or by means of feet snapped into corner areas comprising ribs of snap distributed on the underside of four adjacent slabs and / or in the fixing zones carried by two adjacent marginal parts of two contiguous slabs juxtaposed, either by the tenon and mortise system and by means of the feet snapped into the corner zones and / or in the marginal parts of contiguous slabs.
• the upper face of the feet has a non-horizontal surface whose inclination relative to the horizontal is between 12 and 20 ° and is oriented from the inside to the outside.
• Such an inclination has the effect of imparting mobility relative to the feet snapped under the paving, so that relative mobility of the slabs relative to each other to allow the composite structure according to the invention to better absorb the unevenness of the bearing surface on which said structure rests.
• the present invention relates more particularly to composite structures suitable for constituting floor coverings or the like, or false ceilings or the like, as well as the slabs and feet which form said structures, in accordance with the foregoing provisions, the means is implemented for their realization, and the locations com ⁇ taking said structures.
• FIG. 1 is a plan view from below of an embodiment of a slab according to the present inven ⁇ tion
• Figure 2 is a sectional view along IIA-IIA and IIB-IIB of Figure 1
• Figure 3 is a sectional view along III-III of Figure 1
• Figure 4 is a top plan view of an embodiment of a stand according to the present invention
• Figure 5 is a vertical sectional view along VV of Figure 4
• Figure 6 is a top plan view of another embodiment of a stand according to the present invention, of which FIG. 7 is a view in vertical section along VII-VII of FIG. 6, FIG.
• FIG. 8 is a view from below, in perspective, of a composite structure according to the invention, the slabs of which it is made are made according to another embodiment of the invention on, and beneath which are support legs
• FIG. 9 is a partial view, from below, of another embodiment of a composite structure according to the invention, of which FIG. 10 is a view in section along XX and Xa-Xa in Figure 9.
• the composite structure suitable for constituting a floor covering or the like in accordance with the present invention, consists of a plurality of adjacent juxtaposed slabs having characteristics which will be described below, and of feet produced separately and which are secured to the tiles are removable, by quick snap-in.
• the slabs and the feet are both made of plastic material having high mechanical properties and in particular of a plastic material resistant to high load pressures, having a high resistance to perforation and a high modulus of elasticity.
• plastics having such mechanical properties polypropylene should be mentioned without limitation.
• the tiles and the feet are produced separately, preferably by molding.
• the slab 1 shown in Figure 1 in view of under and in section along IIA-IIA and IIB-IIB in Figure 2, comprises a plate 2 whose underside is provided with stiffening ribs 3 from molding and zones 4 comprising ribs 5 and 6 for snap-fastening of the feet, also coming from molding, which also contribute to the rai ⁇ disse of the slab 1.
• the ribs 5 and 6 have a particular profile which allows them to play the role of quick snap ribs of the feet 7.
• the ribs 5 and 6 are shaped in such a way that one of their lateral sides 8 (9) has a profile which has the shape of an obtuse reentrant angle, preferably between 100 and 140 ° and which, in the embodiment shown as an example is sensitive ent of the order of 120 °.
• the ribs 5 are parallel to each other and the ribs 6 which are perpendicular to them, are also pa parallel to each other.
• the ribs 6 which are perpendicular to them, are also pa parallel to each other.
• the slab 1 comprises nine zones 4 for fixing feet by snap-fastening.
• the number of zones 4, and consequently the number of feet 7 of support for a slab can vary according to the constraints of use of a slab, for the same size of slab or in depending on the dimensions of the slab.
• a small slab for example 25 cm, may be provided with only 4 or 5 feet (see Figure 5), or even less if the feet are corner feet supporting four slabs contiguous, and that a large slab, for example 50 cm, may also include either 4 or 5 feet or less if the constraints of use for which it is intended are not severe, or 9 feet, as in the figure re 1, or less or more, if it has to withstand severe constraints.
• a slab 1 comprising nine foot snap zones can, if the constraints to which it must be subjected allow it, be provided with a number of feet 7 less than the number of zones 4 which are managed there.
• the fact that the feet 7 and the slabs (or 10 in FIG. 8) are made separately, enables a slab 1 or 10 to be fitted with feet of different heights depending on the type and texture of the surface d 'support on which the composite structure according to the invention is intended to be placed and therefore, to change the height of the feet of the same composite structure, as required.
• the leg 7 shown in FIGS. 4 and 5, which is intended to be fixed by snap-fastening in a zone 4 of the lower face of the slab 1 (or 10 of FIG. 8) comprises a hollow lower part 11, the lower edge of which is provided a substantially horizontal flange 12, bearing on the surface on which the composite structure according to the invention must be placed.
• This hollow lower part 11 is delimited at its top by a horizontal wall 13 which carries the upper part of the foot.
• This upper part has a recess 14 of any shape (the shape of a spherical cap shown in FIG.
• the upper face 17 of the feet 7 is non-horizontal and has a downward slope from the inside to the outside, which is advantageously between 12 and 20 th relative to the horizontal and is, in the embodiment shown ⁇ t by way of example in Figures 4 and 5, of the order of 15 th relative to the horizontal.
• the foot 7 is introduced into said zone 4 in such a way that the ribs 5 (6) B and 5 (6) C are inserted in the recess 14, the internal protruding profiles 16 of the side wall 15 of the upper part of the foot 7 fitting into the corresponding profiles of the ribs 5 (6) B and 5 (6) C.
• the foot 7 is further provided on its edge upper, notches 18 intended to allow the fitting of the upper side wall 15 of the foot 7 on the stiffening ribs 3.
• the areas 4 for fixing the feet 7 are completely inscribed in the underside of the slab 1, so that the feet 7 which snap into the areas 4 res ⁇ pectives on the underside of slab 1, support this single slab.
• the tiles 1 are advantageously assembled together by a tenon and mortise system, sail ⁇ lantes parts (not shown) of the tiles 1 coming to fit into corresponding recesses 19 formed on the edges of the tiles 1.
• sail ⁇ lantes parts not shown
• the angle fixing zone may comprise only a single snap-in rib 5 and a single snap rib 6 which is perpendicular thereto, this zone then forming a partial fixing zone which is completed by the fixing zones corresponding partial of the other three slabs adjacent to the slab 10 to which the feet 77 are intended to be fixed, these four partial fixing zones then forming a complete fixing zone.
• the four corner zones could be produced in a simplified manner with only two snap ribs perpendicular to each other, while allowing the fixing of a foot 7 in a fixing zone formed by four adjacent partial fixing angle zones.
• the median zones located in the marginal parts 19, 20, 21, 22 of the slab 1 could also be modified so as to only have three ribs 5 (shorter than the ribs 5 in FIG. 1) and two ribs 6 perpendicular to the ribs 5, such partial fixing zones associated with partial fixing zones located in the marginal parts 19 and 20 of two adjacent slabs, being suitable for receiving a foot overlapping two adjacent slabs.
• the snap ribs 5A and 6A of four adjacent corner zones can then be used alone for fixing a foot 7 to four adjacent slabs, for example, this allowing snapping of the feet 7 either under a single slab or under two to four adjacent slabs using a single type of molding for the slabs.
• the slabs 1 are bordered by a skirt 23 substantially perpendicular to the face 2 of the slab and which has a non-rectilinear profile, which preferably has the shape of an obtuse angle very open towards the outside.
• ⁇ laughing since it is preferably of the order of 165 to 175 ° and is, in the embodiment shown, of the order of 170 °. In this way, as shown in FIG.
• two adjacent slabs, 10 for example, assembled together by a foot 7 snapped into the snap ribs 5A, 6A have a point of contact between them at 24, which allows them to relative mobility within the framework of the assembly provided by the foot 7, without however affecting the support function of the foot 7, such an embodiment having a great advantage in the event of inequality of the underlying soil, because it allows the foot 7 to play its role as an assembly means without risk of dislocation or rupture of the adjacent slabs with respect to each other.
• the support legs according to the invention are characterized by the fact that they comprise a hollow lower part for bearing on the surface on which the composite structure according to the invention must be placed, and a upper part intended to be latched with a corresponding zone 4 of the lower face of the slabs which form one of the components of the composite structure according to the invention.
• the foot 25 comprises a hollow lower part 26 whose lower edge is provided with a substantially horizontal flange 27 of ap ⁇ meme 'on the surface on which the composite structure con ⁇ form to the invention must be placed.
• This hollow lower part 26 is delimited at its top by a substantially horizontal wall 28 which carries the upper part of the foot.
• This upper part has a recess 29 of suitable shape.
• the upper face 30 of the foot 25 has a downward slope from the inside to the outside whose angle relative to the horizontal is between 8 and 12 e and is, in the embodiment shown in FIG. 7, of 10 e .
• the upper end of the foot 25 is further shaped so that it comprises, at the edge of the recess 29, an overhang 31 delimited by the upper face 30 of the foot and by the horizontal on which said face 30 is inclined. - born ; this overhang 31 plays for snap-fitting with the projections of the zone 4 of the slab 1 or 10, the same role as the protruding profiles 16 which are provided with the foot 7 shown in Figures 4 and 5.
• the composite structure 32 represented in FIGS. 9 and 10 comprises a plurality of adjacent slabs 33 juxta ⁇ posed more particularly, but not 1imitatively designed to be associated with the support legs 25 shown in FIGS. 6 and 7.
• Each slab 33 comprises a plate 34 whose underside is provided with stiffening ribs 35, 40 molded and zones 36 shaped so as to allow the fixing of the support legs such as 25, by snap-fastening.
• Each zone 36 is made up of a plurality of projections 37 whose shape is, at least in their terminal part, substantially complementary to that of the recess. ment 29 of foot 25, in that the end portion 38 of each projection 37 has a substantially hemispherical shape, approximately the shape of an inverted mushroom head, connected to the underside of the plate 34 by a rod 39; each of the projections 37 has a slope 41 relative to the vertical, which is advantageously of the order of 8 to 12 °.
• the marginal parts 42 of the slab 33 include projections of the type of projection 43 which consists of a quarter sphere 44 connected to the edge of the plate 34 by a rod 45.
• the external face 46 of the rod 45 and of its extension formed by the section of the quarter sphere 44 has a non-rectilinear profile which, when the adjacent slabs 33 are assembled, provides the same advantages as the profile non-straight skirts 23 of slabs 1.
• the feet such as the feet 25 shown in FIGS. 6 and 7, are fixed to the underside of the slabs by snap-fastening with the projections 37, the slope 41 of the projections 37 providing a clearance which provides the feet with certain mobility, in the limits of the labeling, to allow the adaptation of the composite structure to the conditions of the underlying surface on which said feet rest.
• the ribbed slabs and the feet according to the invention make it possible, because of their structure, to form a composite structure of floor covering or the like, the rigidity of which is comparable to that imparted by a metal frame, without having the weight high floor coverings supported by a metal frame.
• the number of parts that make up the composite structure is reduced to two, the tiles and the feet, which are made of plastic, preferably by molding, in attractive economic conditions, in large series.
• the fact that mounting and dismantling ⁇ composite structures according to the invention are considerably simplified compared to the structures proposed in the prior art, and that they are produced with great rapidity.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Floor Finish (AREA)

Applications Claiming Priority (2)

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ID=9304199

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Family Cites Families (3)

• 1984
  • 1984-05-21 FR FR8407856A patent/FR2564509A1/fr not_active Withdrawn
• 1985
  • 1985-05-13 WO PCT/FR1985/000113 patent/WO1985005397A1/fr not_active Ceased
  • 1985-05-13 EP EP19850902552 patent/EP0183751A1/de not_active Withdrawn

Non-Patent Citations (1)

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