EP4056783A1 - Vorrichtung zur befestigung von terrassendielen an eine unterlage - Google Patents

Vorrichtung zur befestigung von terrassendielen an eine unterlage Download PDF

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Publication number
EP4056783A1
EP4056783A1 EP22160820.1A EP22160820A EP4056783A1 EP 4056783 A1 EP4056783 A1 EP 4056783A1 EP 22160820 A EP22160820 A EP 22160820A EP 4056783 A1 EP4056783 A1 EP 4056783A1
Authority
EP
European Patent Office
Prior art keywords
base
fixing device
support
locking element
housing
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.)
Pending
Application number
EP22160820.1A
Other languages
English (en)
French (fr)
Inventor
Nicolas TANT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Forestia
Original Assignee
Forestia
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Forestia filed Critical Forestia
Publication of EP4056783A1 publication Critical patent/EP4056783A1/de
Pending legal-status Critical Current

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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
    • E04F15/02044—Separate elements for fastening to an underlayer
    • 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
    • E04F15/02044—Separate elements for fastening to an underlayer
    • E04F2015/02105—Separate elements for fastening to an underlayer without load-supporting elongated furring elements between the flooring elements and the underlayer
    • E04F2015/02111—Separate elements for fastening to an underlayer without load-supporting elongated furring elements between the flooring elements and the underlayer not adjustable
    • E04F2015/02122—Separate elements for fastening to an underlayer without load-supporting elongated furring elements between the flooring elements and the underlayer not adjustable with fastening elements engaging holes or grooves in the side faces of the flooring elements

Definitions

  • the present invention relates to the field of the manufacture of terrace floors made up of a plurality of terrace boards.
  • decking boards which can be made of natural or composite wood, are fixed to a support.
  • the latter generally consists of joists constituting a trellis, which have been previously fixed to the ground or to a concrete slab.
  • the decking boards are placed on the joists by being arranged parallel to each other along their lengths, most often in the direction of the width of the concrete slab. A floor consisting of parallel strips is thus formed.
  • clips which are fixed to the joists by means of screws, and which have fins which engage in grooves provided along the longitudinal edges of the blades vis-à-vis.
  • decking boards tend to expand and swell when the humidity increases, especially in autumn and winter.
  • the expansion of the blades also has the effect of increasing their thickness, considered in a vertical direction.
  • the boards will have different thicknesses. If the terrace is built in wet weather, it may happen that the portion of the blade located under the groove is too thick to be engaged between the fin and the support.
  • the installer must then rectify the width of the groove himself, or else scrap the defective board and choose another one.
  • An object of the invention is to remedy the aforementioned drawbacks by proposing a universal fixing device which can be used with blades of different thicknesses.
  • the support preferably consists of joists, previously fixed to the ground.
  • the joists are generally pieces of wood forming a trellis on which the boards are mounted.
  • the base forms a spacer between the slats and the support, which allows ventilation under the slats, and also to evacuate rainwater.
  • the housing of the fixing device according to the invention is movable relative to the base in the first direction.
  • the first direction is generally vertical.
  • the distance between the holding element and the base of the fixing device can therefore be modified by moving the box relative to the base in the first direction along the guide member.
  • the fixing device has a minimum distance in which the box comes into contact with the base. The maximum distance is itself slightly less than the height of the first guide member so that the guide member remains engaged in the housing.
  • the spacing between the retaining element and the upper face of the base can be adjusted according to the height of the groove considered from the upper face of the base, i.e. ie the thickness of the portion of the blade located under the groove.
  • the installer first places the base on the support, generally a sleeper, then engages the box with the first guide member.
  • the fitter then places at least one slat, preferably two slats, on the base so that the holding element is inserted into the groove(s) of the slat(s).
  • the box then positions itself in height relative to the base by sliding along the guide member.
  • the installer then locks the box, the base and the holding element to the support using the locking element.
  • the locking element exerts a force on the holding element, and consequently on the blades, directed in the first direction towards the base, so that the blades are pressed against the base. At the same time, the blades press the base against the support.
  • the blades are then firmly held to the support thanks to the fixing device, which has adapted to the position of the grooves of the blades.
  • the first guide member is parallel to and remote from the locking element.
  • the first guide member is non-coaxial with the locking element.
  • the upper face of the base comprises two base portions arranged on either side of the guide member, to receive two blades terrace, at least one of the base portions comprising a recess bordered by a peripheral edge to receive one of the blades.
  • One advantage of the recess is to improve the evacuation of rainwater between the boards and the support, and thus to avoid an accumulation of water under the terrace which is likely to damage the boards and/or the support.
  • the base comprises a base, preferably peripheral, which is provided with pads.
  • the notches located between two adjacent runners further improve the evacuation of rainwater from the base.
  • the base has an orifice which is through and which extends in a direction parallel to the first direction, the orifice being shaped to receive the locking element when the fixing device is secured to the support.
  • the locking element thus passes through the base via the orifice.
  • the latter is preferably located in the middle of the base.
  • the base is preferably a plastic part.
  • the base comprises a second guide member, the first and second guide members being arranged on either side of the orifice, preferably along the width of the base.
  • the first and second guide members extend from a part of the base which forms a bridge connecting the two longitudinal edges of the base.
  • the box comprises at least a first cavity to receive the first guide member.
  • This cavity preferentially opens into a lower face of the case. It constitutes a housing for the first guide member.
  • the box includes a second cavity to receive the second guide member.
  • the first guide member preferably has the shape of a lug. Still preferably, the lug is cylindrical or frustoconical. It is understood that the lug is engaged in the cavity when the box is mounted on the base.
  • the first guide member is deformable.
  • the first guide member is preferably hollow.
  • the first guide member can be crushed on itself in a direction of crushing perpendicular to the first direction in the event, for example, of horizontal expansion of the blades.
  • the box further comprises a hole extending along the height of the box and which is through, the hole being shaped to receive the locking element when the fixing device is secured to the support.
  • the hole is therefore traversed by the locking element when the fastening device is secured to the support.
  • the hole in the box is in the extension of the hole in the base when the box is mounted on the base.
  • the hole is arranged between the first and second cavities.
  • the hole is located substantially in the middle of the box, considered according to its length.
  • the length of the box corresponds substantially to the width of the base.
  • the height of the box is slightly greater than the height of the first guide member.
  • the holding element is an insert, preferably metallic, which is fixed to the case.
  • the case is preferably made of plastic.
  • the insert is for its part preferably overmolded with the box.
  • the metal insert makes it possible to improve the robustness of the fixing device according to the invention, compared to traditional fixing devices whose holding element is made of plastic.
  • the insert preferably protrudes on either side of the width of the box.
  • the two projecting parts of the insert form fins which are intended to engage in the grooves of the blades.
  • the holding element has the form of a plate provided with an opening, the opening being shaped to receive the locking element when the fixing device is secured to the support.
  • the insert has the shape of a wafer.
  • the opening of the plate is preferably aligned with the hole of the case.
  • the wafer protrudes on either side of the longitudinal edges of the case.
  • the housing hole and the plate opening are coaxial, the housing hole being set back radially with respect to the opening, whereby the locking element bears against the plate when the fixing device is attached to the support.
  • the locking element preferably comprises an elongated body, for example a threaded rod, terminated by a head.
  • the head of the locking element is shaped to bear against the plate, preferably against the metal insert, when the fixing device is fixed to the support.
  • the locking element which is preferably metallic, exerts a force on the metallic insert and not on the plastic case, which has the advantage of not damaging the plastic of the case in the event of strong tightening of the element locking.
  • the wafer has a lateral edge provided with claws configured to bear against a wall of the groove of the blade.
  • the claws are inclined towards an underside of the case.
  • the claws are inclined towards the base, preferably at an angle of about 30°-45° relative to the plane of the wafer.
  • the claws are planted in the lower wall of the groove when fixing the fixing device.
  • This lower wall extends in a plane parallel to the upper face of the base.
  • the wafer has an inclined side edge.
  • the side flange is inclined with respect to the plate plane or has a bead. It is preferentially opposed to claws.
  • the inclined lateral rim is adapted to come into contact with a bottom wall of the groove of the blade in which it is engaged, in particular during expansion of the blade in a horizontal plane.
  • the direction of inclination of the side rim is opposite to that of the claws.
  • the locking element comprises a screw, which comprises a screw head, and the screw head bears against the holding element when the fixing device is secured to the support.
  • the screw has a threaded body terminated by the screw head. At the opposite end of the screw head is a self-drilling point.
  • the screw head therefore exerts a thrust on the retaining element, and preferably on the metal insert, directed towards the base when the fixing device is secured to the support.
  • the orifice of the base, the hole of the housing and the opening of the holding element are aligned and shaped to be traversed by the locking element when the fixing device is secured to the support.
  • the box comprises cells so as to be able to be crushed on itself in the longitudinal direction of the base.
  • the housing deforms by crushing slightly so as to absorb the expansion of the blades, which makes it possible to prevent the blades from twisting or being damaged in the event of expansion.
  • the deformability of the casing and of the first guide member is configured to allow the blades to almost come into contact with the locking element.
  • the invention further relates to an installation comprising a support, first and second decking boards and at least one fixing device according to the invention, in which each of the first and second boards has a groove formed along at least the one of its longitudinal edges, the grooves of the first and second strips being arranged opposite one another on either side of the housing of the fixing device, the first and second strips being placed on the base and the base of the fixing device being integral with the support, while the holding element of the fixing device is engaged in the grooves, the locking element being introduced into the holding element, into the housing and into the base while being tightened so as to exert a force on the holding element directed towards the support so as to press the first and second blades against the base, and press the base against the support.
  • the first decking board 100 has a longitudinal edge 102 in which is made a groove 104 which extends in the longitudinal direction of the first decking board.
  • the second decking board 200 has a longitudinal edge 202 in which is made a groove 204 which extends in the longitudinal direction of the first decking board.
  • the first and second decking boards 100 , 200 are parallel to each other in their longitudinal directions and each cooperates with the fastening device 10 .
  • the support S consists of a latticework of joists 2 .
  • the fixing device 10 comprises a base 12 having an upper face 14 and a lower face 16 .
  • the upper face 14 is intended to carry the decking boards 100 , 200, while the lower face 16 of the base 12 is pressed against the joist 2 .
  • the base 12 also comprises a first guide member 18 and a second guide member 20 which project perpendicularly to the upper face 14 in a first direction D1 .
  • the base 12 is made of a plastic material.
  • the base comprises a base provided with indentations 24 defined between pads 26 .
  • indentations 24 make it possible to provide ventilation under the blades 100 , 200 , and also to evacuate rainwater.
  • the first and second guide members 18 , 20 have the form of hollow lugs.
  • the first and second guide members 18 , 20 comprise for this purpose recesses 18a and 20a , visible on the picture 3 , which allow the first and second organs guide 18 , 20 to be able to crush radially, in particular to absorb horizontal expansion of the blades.
  • the upper face 14 of the base 12 comprises two base portions 12a , 12b which are arranged on either side of the first and second guide members 10 , 20 , to receive the two decking boards 100 , 200 .
  • each of the two base portions 12a , 12b comprises recesses 12c , 12d which are bordered by a peripheral edge 15 of the base 12 . It is understood that the blades 100 , 200 rest on this peripheral edge 15 .
  • the recesses 12c , 12d contribute to good ventilation under the blades 100 , 200 , and to the evacuation of rainwater.
  • the recesses 12c and 12d associated with the notches 24 , provide very good ventilation under the blades 100 , 200 and facilitate the evacuation of rainwater.
  • the base 12 includes an orifice 40 which passes through the thickness of the base 12 .
  • the orifice 40 is disposed between the first and second guide members 18 , 20.
  • the orifice 40 is therefore through and extends in a direction D 2 which is parallel to the first direction D1 .
  • This direction D 2 is vertical when the base is placed on the joist 2 . It is also observed on the figure 2 that the centers of the first and second guide members 18 , 20 and the center of the orifice 40 are aligned in a direction parallel to the transverse direction of the base 12 .
  • the orifice 40 is formed in a part forming a bridge connecting the two longitudinal edges 15a , 15b of the peripheral edge 15 of the base.
  • the fixing device 10 further comprises a housing 50 , in this example, made of plastic, which constitutes a separate part of the base.
  • Housing 50 is illustrated in more detail in the figures 5 to 8 . As illustrated in figures 6 and 7 , the housing 50 includes a first cavity 52 for receiving the first guide member 18 , and a second cavity 54 for receiving the second guide member 20 when the housing 50 is mounted on the base 12 .
  • the housing 5 cooperates with the first and second guide members 18 , 20 so that the housing 50 is mounted to slide relative to the base 12 in the first direction D1.
  • the casing 50 further comprises cells 56 which, considered along the length x of the casing 50, are arranged between the first and second cavities 52 , 54 .
  • the cells 56 allow the box 50 to be crushed on itself according to its width y , in particular during a horizontal expansion of the blades.
  • the box 50 also includes a hole 60 which extends along the height z of the box 50 and which is through. Considered along the longitudinal direction Dx of the housing 50 , the hole 60 is located substantially in the middle of the housing 50 , between the first and second cavities.
  • the casing 50 further comprises an upper wall 58 into which the orifice 60 opens.
  • the housing 50 further comprises a slot 64 , visible in figure 7 , which is located under the upper wall 62 and which emerges laterally on either side of the width y of the housing 50 .
  • This slot extends along almost the entire length x of the housing, and over its entire width y .
  • the fixing device 10 further comprises a holding device 70 which is mounted to the housing 50 and, as illustrated in figures 11 to 14 , is configured to be engaged in the grooves 104 , 204 of the decking boards 100 , 200 .
  • the holding element 70 protrudes on either side of the width of the housing.
  • the holding element 70 is an insert 72 , metallic in this example, which is integral with the casing 50 . More specifically, the insert 72 has the shape of a plate 74 which is placed in the slot 64 of the housing 50 .
  • the wafer 74 therefore comprises a first portion 74a projecting relative to the housing 50 and forming a first fin.
  • Plate 74 further includes a second portion 74b projecting relative to housing 50 and forming a second fin opposite to the first fin.
  • Insert 72 is illustrated in greater detail in figures 9 and 10 . The wafer protrudes on either side of the longitudinal edges of the case.
  • the wafer 74 has an opening 76 which passes through the thickness of the wafer 74 .
  • the housing 50 is made of plastic and is overmolded with the metal plate 74 .
  • the hole 60 of the housing 50 and the opening 76 of the plate 74 are coaxial.
  • the hole 60 of the housing 50 is set back radially with respect to the opening 76 of the plate 74 . To do this, the diameter of the hole 60 of the housing 50 is larger than the diameter of the opening 76 .
  • the wafer 74 is provided with claws 75 which extend from a side edge 74c of the wafer. These claws are configured to bear against a wall of the groove of the blade.
  • the claws 75 are configured to bear against a lower wall 102a of the groove 104 of the first blade 100 .
  • the wafer 74 also has a side edge 74d opposite the side edge 74c , this side edge 74d having a fold or bead 77 .
  • the bead 77 is configured to bear against a lower wall 204a of the groove 204 of the second strip 200 .
  • the fixing device 10 further comprises a locking element 80 which is configured to secure the fixing device and the blades to the support.
  • the locking element 80 is a screw which comprises a threaded rod 82 having a first end 82 a provided with a head 84 , and a second longitudinal end 82 b provided with a self-perforating point 86 .
  • the orifice 40 is shaped to receive the locking element 80 when the fixing device 10 is secured to the support.
  • the hole 60 is itself shaped to receive the locking element 80 when the fixing device 10 is secured to the support.
  • the opening 76 is shaped to receive the locking element 80 when the fixing device is secured to the support.
  • the screw head 84 of the locking element bears against the holding element 70 when the fastening device is secured to the support.
  • the orifice 40 of the base 12 , the hole 60 of the housing 50 and the opening 76 of the holding element are aligned and shaped to be crossed by the locking element 80 when the fixing device is attached to the support.
  • This installation 500 comprises a support consisting of a sleeper 2 , first and second decking boards 100 , 200 having a thickness e 1.
  • the groove 104 of the first board 100 comprises a lower wall 104 a, while the groove 204 has a bottom wall 204a .
  • the lower walls 104 a , 204 a are parallel to the upper face of the base 12 .
  • the installation 500 further comprises a fixing device 10 according to the invention, namely that of the figure 1 .
  • the grooves 104 , 204 of the first and second blades 100 , 200 are arranged opposite one another on either side of the housing 50 of the fixing device 10 .
  • the base 12 of the fixing device 10 is placed on the support 2 , while the holding element 70 of the fixing device 10 is engaged in the grooves 102 , 202 .
  • the locking element 80 is engaged successively in the holding element 70 , in the housing 50 so as to press the first and second blades 100 , 200 and the base 12 against the support 2 .
  • the behavior of the fastening device 10 according to the invention has been illustrated in a situation in which the blades 100 and 200 expand, for example due to an increase in the humidity of the air which causes the blades to swell.
  • this expansion has the effect that the longitudinal edges 102 , 202 of the first and second blades 100,200 approach each other.
  • this ruzement is of the order of a few millimeters.
  • the box 50 and the lugs 18 , 20 of the base 12 are deformable. More precisely, they can be slightly crushed on themselves in a horizontal plane.
  • the longitudinal edges of the slats pinch the box. Thanks to the deformability of the casing, and preferably of the lugs which are then engaged in the casing, the casing and the lugs deform slightly by crushing under the action of pinching. This has the effect of resuming, over a few millimetres, the horizontal expansion of the blades and thus prevent the blades from twisting or disengaging from the fastening device. When the humidity drops, the blades contract and move slightly apart. The case and the lugs then return to their initial shape.
  • the terraces made using fastening devices according to the invention therefore have better resilience and durability than those made with traditional fastening clips.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)
  • Clamps And Clips (AREA)
  • Supports For Plants (AREA)
EP22160820.1A 2021-03-12 2022-03-08 Vorrichtung zur befestigung von terrassendielen an eine unterlage Pending EP4056783A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2102442A FR3120642B1 (fr) 2021-03-12 2021-03-12 Dispositif de fixation de lames de terrasse à un support

Publications (1)

Publication Number Publication Date
EP4056783A1 true EP4056783A1 (de) 2022-09-14

Family

ID=75539605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22160820.1A Pending EP4056783A1 (de) 2021-03-12 2022-03-08 Vorrichtung zur befestigung von terrassendielen an eine unterlage

Country Status (2)

Country Link
EP (1) EP4056783A1 (de)
FR (1) FR3120642B1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2864568A3 (fr) 2003-12-31 2005-07-01 Forestia Dispositif de fixation de lames, notamment de lames de plancher equipe d'au moins un dispositif tel que precite
WO2011163653A2 (en) * 2010-06-25 2011-12-29 Omg, Inc Hidden fastener formed in situ during attachment of sheathing onto a support member
US20130247504A1 (en) * 2004-10-01 2013-09-26 The Ipe Clip Fastener Co., Llc Anchoring Device
EP3106585A1 (de) 2015-06-15 2016-12-21 Elmich Pte Ltd Befestigungssystem für terrassenplatten
EP3660241A1 (de) * 2018-11-29 2020-06-03 Heco Italia EFG S.r.l. Kopplungseinheit für paneele

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2864568A3 (fr) 2003-12-31 2005-07-01 Forestia Dispositif de fixation de lames, notamment de lames de plancher equipe d'au moins un dispositif tel que precite
US20130247504A1 (en) * 2004-10-01 2013-09-26 The Ipe Clip Fastener Co., Llc Anchoring Device
WO2011163653A2 (en) * 2010-06-25 2011-12-29 Omg, Inc Hidden fastener formed in situ during attachment of sheathing onto a support member
EP3106585A1 (de) 2015-06-15 2016-12-21 Elmich Pte Ltd Befestigungssystem für terrassenplatten
EP3660241A1 (de) * 2018-11-29 2020-06-03 Heco Italia EFG S.r.l. Kopplungseinheit für paneele

Also Published As

Publication number Publication date
FR3120642B1 (fr) 2024-02-23
FR3120642A1 (fr) 2022-09-16

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