EP1203856A1 - Joint covering strip - Google Patents

Joint covering strip Download PDF

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Publication number
EP1203856A1
EP1203856A1 EP01410133A EP01410133A EP1203856A1 EP 1203856 A1 EP1203856 A1 EP 1203856A1 EP 01410133 A EP01410133 A EP 01410133A EP 01410133 A EP01410133 A EP 01410133A EP 1203856 A1 EP1203856 A1 EP 1203856A1
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EP
European Patent Office
Prior art keywords
profile
cover
groove
base
cavity
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
Application number
EP01410133A
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German (de)
French (fr)
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EP1203856B1 (en
Inventor
Michel Grosjean
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Individual
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Individual
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Publication date
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Publication of EP1203856A1 publication Critical patent/EP1203856A1/en
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Publication of EP1203856B1 publication Critical patent/EP1203856B1/en
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Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00—Other details of constructional parts for finishing work on buildings
    • E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/06—Borders; Finishing strips, e.g. beadings; Light coves specially designed for securing panels or masking the edges of wall- or floor-covering elements
    • E04F19/065—Finishing profiles with a T-shaped cross-section or the like
    • E04F19/066—Finishing profiles with a T-shaped cross-section or the like fixed onto a base profile by means of a separate connector
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00—Other details of constructional parts for finishing work on buildings
    • E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/04—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00—Other details of constructional parts for finishing work on buildings
    • E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/06—Borders; Finishing strips, e.g. beadings; Light coves specially designed for securing panels or masking the edges of wall- or floor-covering elements
    • E04F19/062—Borders; Finishing strips, e.g. beadings; Light coves specially designed for securing panels or masking the edges of wall- or floor-covering elements used between similar elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00—Other details of constructional parts for finishing work on buildings
    • E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/04—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings
    • E04F19/0459—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings characterised by the fixing method
    • E04F19/0463—Plinths fixed by snap-action in a direction perpendicular to the wall

Definitions

  • the present invention relates to joint covers or threshold bars intended to hide the joints between elements of floor or wall.
  • the invention relates more particularly to a joint cover having a cover profile which is fixed on a snap-on base profile.
  • threshold bars have a profile of cover which is fixed by snapping on a base profile to using a system of complementary ribs, for example "fir tail” type.
  • a system of complementary ribs for example "fir tail” type.
  • Such systems are most often irreversible, that is to say if you want to dismantle the bar threshold, we must tear off the cover profile by deteriorating the complementary grooves, which makes them unusable for later use.
  • the base is designed to be deformable. In in this case, the elastic limit of the material that constitutes it (usually aluminum) is quickly reached, which prevents reuse.
  • the profile cover may therefore not be pressed in at the same depth at both ends of the threshold bar.
  • the ribs of the cover profile then cross the grooves complementary to the base profile. The resistance to tearing cover profile is considerably reduced.
  • Document DE-U-299 19 138 describes an assembly with parts intermediaries whereby the intermediary parts are engaged in a longitudinal groove of the base profile, a groove of the cover profile being attached to a head of the parts Or vice versa.
  • Such intermediate parts do not allow the cover profile to fit into the base profile, this which affects the vertical size of the assembly and prohibits its poses for thin coatings.
  • these pieces do not allow cooperation between the intermediate piece and the cover profile for traction on the latter increases resistance to tearing.
  • Document EP-A-1 020 590 describes another assembly with intermediate pieces according to which the intermediate pieces are engaged in a longitudinal groove of the base profile, a groove of the cover profile being attached to a head of the rooms.
  • Such intermediate parts cannot be snapped onto the cover profile but must be engaged in its throat from one end thereof, which detracts from the ease of assembly.
  • Document DE-U-295 08 050 describes a mounting system glazing bead by means of intermediate pieces between a groove of a base and a cover profile head, according to which U-shaped intermediate pieces are engaged in the groove in resting on its bottom and receive the head of the profile recovery.
  • Such intermediate parts do not allow to adapt the inclination of the cover profile.
  • they do not allow height adjustment of parts intermediate in the base profile, nor pre-positioning mounting parts on the cover profile.
  • the present invention aims to propose a new system joint cover or threshold bar which overcomes at least one disadvantage of known systems.
  • the invention aims to propose an intermediate piece which allows an adaptation of the inclination of the cover profile relative to the profile base, without affecting mechanical strength (stress resistance lateral).
  • the invention also aims to propose a solution which provides good resistance to tearing while allowing disassembly without damaging the profiles.
  • the invention also aims to propose a system which automatically adapts to the height of the covering.
  • the invention further aims to facilitate the mounting of the joint cover and, in particular, allows pre-positioning intermediate parts on the cover profile.
  • said groove has, in two facing walls, longitudinal grooves, the intermediate piece comprising at at least two external ribs capable of cooperating with said grooves, the cross section of the grooves of the groove being adapted to the cross section of the external ribs of the intermediate piece.
  • the number of grooves in the groove of the base profile is chosen by function of a desired adaptation range for the difference between the base profile and cover profile, the two walls of the groove being parallel to a depth at least equal to the desired adaptation range.
  • the longitudinal tongue of the cover profile has, in cross section, a fir-tail shape with a head provided with at least two double teeth and a part, preferably straight, connecting to a covering portion.
  • the invention also provides a fixing part for a cover profile including a snap-in tab in said part on a base profile comprising a groove receiving said part, said part defining a cavity and comprising, on either side of a plane passing through an opening access to the cavity, at least one and preferably at least two external ribs and at least one internal tongue.
  • the part has a plane of symmetry crossing the opening and, projecting from each of two internal faces being approximately facing, at least one closing tab partial of the internal cavity and a rib less protruding than the tongue.
  • the part comprises, projecting from each of two external faces opposite, at least two ribs.
  • the part comprises, opposite the opening of the cavity, a softening notch.
  • the part is made of plastic with a hardness included, depending on the AST MD 85 method, between 104 and 120 shore D.
  • the direction will be designated by longitudinal main of a profiled element, by lateral its transverse direction, and by vertical the direction perpendicular to the plane of the support (floor or wall covering) for the joint cover.
  • FIG. 1 represents, in a perspective view, partially torn off, an embodiment of a joint cover or threshold bar according to the present invention.
  • This joint cover is consisting of a base profile 1 intended to be fixed on a support, generally a floor or a wall, with a cover profile 2 intended to be attached to the profile 1 to hide at least one edge of a floor or wall covering (not shown in figure 1), and at least one intermediate fixing piece 3.
  • each part 3 is intended to snap around a head 211 of an internal longitudinal tongue 21 of the profile cover 2, then snap into a groove internal longitudinal 11 of the base section 1.
  • a feature of the invention is to provide intermediate parts 3 of hard plastic, having for function of providing a rigid fixing of the cover profile 2 in the base profile 1, while benefiting from a certain flexibility for mounting the elements by the shape of the part.
  • the intermediate part or parts are chosen in a material hard enough not to crash under the pressure applied to the cover profile 2 during mounting and use.
  • the invention provides a fixing rigid.
  • An advantage is that we remove the play in the assembly linked to the deformation capacity of rubber, while now, as we will see later, an indoor game of the intermediate piece. This game allows, during passages, to cover profile to sink and rise without the fixing suffers as well as the orientation of the profile recovery. According to the invention, the play is vertical and lateral.
  • the base 1 of a joint cover of the invention comprises a base 12, approximately flat and intended to rest on the floor or wall (not shown).
  • the base 12 is fixed to the support by conventional techniques, for example, using screws 4 la crossing.
  • the groove 11 protrudes towards the inside of the base (to profile 2). It is defined by two longitudinal walls 111 and 112 approximately and preferably vertical (perpendicular to the plane of the base 12).
  • one of the walls is placed at a lateral end of the base 12.
  • This allows, conventionally, to have a standard base, that the joint cover is installed at the edge of a single covering or as a joint between two identical or different coatings.
  • the base 12 may however protrude laterally from one side and on the other side of the groove 11.
  • the groove 11 is preferably of a width less than that of the base 12 for improve the hold of base 1 and allow it to be screwed in outside the throat.
  • the cover profile 2 of a joint cover of the invention includes a covering portion 22 of the coating (s) and the longitudinal tongue 21, approximately and preferably vertical.
  • the portion 22 is flat and horizontal, the tongue 21 being perpendicular to the portion 22.
  • the tongue 21 has a straight portion 212 connecting the head 211 to the internal face of the portion 22.
  • the shape and size of the portion 22 depends essentially of the type of coating (s) whose profile overlap should hide the edge (s).
  • Head 211 of a profile cover of the invention is in "fir tail” or equivalent, and includes on both sides of part 212 defining a plane of symmetry of the tongue 21, at least two teeth. Two end teeth define what will be called a first double-tooth 213. The next two teeth form a second double-tooth 214.
  • the intermediate parts 3 intended to assemble the cover profile 2 on the base profile 1 are sections preferably having a regular cross section on at minus almost all of their length. These are, for example, of sections cut from a plastic profile.
  • the length of parts 3 is relatively short (for example, between 1 and 5 cm) compared to the minimum length usual joint cover (generally greater than 50 cm).
  • FIGS. 3A to 3D illustrate, by partial section views, mounting a joint cover of the invention.
  • the part 3 has a shape general of hollow cylinder defining a receiving cavity 31 of the head 211 of the tongue 21 of the covering profile 2. From more, it has, like the tongue 21, a plane of symmetry vertical.
  • the part 3 has, in its upper part, a opening 32 for the engagement of the tongue 21 by its head 211.
  • the opening 32 is limited by flanges or tabs 33.
  • the interior has, on each side, a tongue 35 partial closing, approximately horizontal, followed a rib or tongue 36.
  • the edges 33, tongues 35 and ribs 36 protrude inwards, the tongues 35 being more protruding than the ribs 36.
  • the part 3 presents, in its widest part (about halfway up in the case of an approximately circular section), and each side, at least one rib or notch 37 (preferably two) projecting outwards. Notches 37 or equivalent are intended to cooperate, in opposite shapes, with grooves 113 ( Figure 2) formed in the internal faces of the walls 111 and 112 of the groove 11 of the base profile 1. In its bottom, the part 3 has an external notch 38.
  • Figure 3A During assembly, we start (Figure 3A) by engaging the piece 3 on the head 211 of the tongue 21. This engagement consists in passing to the double end tooth 213, the ledges 33.
  • the ledges 33 or equivalent have a function of temporary maintenance of the head 211 during installation, the distance between the two edges being slightly less than the width of the double-tooth 213.
  • the assembly is brought to the groove 11 (FIG. 3D) of the base profile.
  • the base profile has previously been fixed to the support. Centering takes place automatically by the external shape (circular or cut corners) from the bottom of the pieces 3.
  • the introduction of each part 3 and its snap-fitting in the groove 11 takes place in strength.
  • the slight play of the head 211 in the cavity 31 in particular of the double-tooth 214 between the tongues 35 and the ribs 36), combined with the lateral flexibility favored by the notch 38, fact that part 3 can close slightly to facilitate passage, through the notches 37, of the grooves 113. This thus avoids all risk of damaging separation of the walls 111 and 112 of the groove 11, which avoids oversizing their thickness for reasons of mechanical resistance.
  • parts 3 present at one of their respective longitudinal ends, at least one point nipple or equivalent having the role of limiting, without however prohibit it by manual force, the sliding of the pieces on the cover profile and thus facilitate assembly.
  • the sinking of the cover profile assembly and intermediate parts depends on the height of the covering (s).
  • the height of the joint cover adjusts automatically.
  • the discontinuity obtained in the length of the joint cover allows automatic adaptation to height variations in the length of the joint cover.
  • the number of grooves 113 on the base 1 which is greater than the number of external notches or ribs 37 of intermediate parts 3, participates in this adaptation.
  • the number of notches 37 depends on their section and the desired adaptability in depth of engagement of the part 3 in groove 11. For a given notch section, the higher the number notches 37 increases, the more the height of the part 3 increases and less depth is adaptable for a throat depth 11 given. Preferably, the height of the piece 3 corresponds to about half the depth of the throat 11.
  • the number of double teeth of the head 211 and their size depend on the internal shape of the parts 3. More precisely, the height of the tongues 35 and ribs 36 and the vertical distance between these are a function of the height of the double teeth 213 and 214 and their vertical distance.
  • the head 211 fits, in section, in a rectangle whose height remains less than the width. This favors, with the difference in length (in section in the horizontal direction) between the tabs 35 and the ribs 36, the adaptability in orientation in the cavity 31.
  • the width of the cavity 31, between the tongues 35 and the ribs 36 is slightly greater than the width of the double teeth 213 and 214.
  • the dimensions of the cavity 31 under the ribs 36 are adapted so that the double end tooth 213 gets involved with light play.
  • Figures 4 and 5 show, in partial views in section, two examples of respective end positions of the elements of a joint cover according to the invention.
  • the part 3 is horizontal in the groove 11, that is to say that the notches 37 are engaged in grooves 113 of the same level.
  • a slight game of head 211 in the cavity 31 as well as the flexibility of the tongues 35 allow automatic adjustment of the horizontality of the cover profile. This adaptation is however limited to a slight inclination (a few degrees at most).
  • the part 3 is not horizontal. of the notches 37 of the same level then snap into grooves 113 of different levels.
  • the inclination of part 3 refers on the vertical tab of the cover profile.
  • the number of notches 37 is preferably limited to two.
  • the section of the tongues 35, of the ribs 36, edges 34 and notches 37 of part 3 is approximately circular with free ends.
  • a circular section has advantages in terms ease of insertion of the tongue 21 of the profile overlap and rotation to adapt the inclination.
  • a part 3 having a maximum total width (between the free ends of two notches 37 horizontally aligned) of about 6.5 mm and a height about 5.5 mm.
  • the head 211 then has, for example, a width about 3 mm for a height of about 2 mm (1 mm per double-tooth).
  • the groove 11 can be of a depth (height) included, for example, between 7 and 20 mm.
  • the double-tooth 214 tends to cause the tabs 35, which generates pressure lateral the throat walls and reinforces the tightening the interior of the base profile 1.
  • the joint cover of the invention is however removable without risk of damaging the base profiles and recovery. Indeed, from a certain force of vertical pull, the tabs 35 twist upwards and successively release the double-tooth 214, then the double-tooth 213.
  • the cover profile is therefore extracted from the parts intermediaries which remain in the base 1.
  • the resistance to tearing of the profile of recovery depends, essentially, on the number of pieces intermediates for a given profile length and length of these pieces.
  • the intermediate parts 3 which we replace for a new assembly.
  • An advantage of the invention is that it allows a setting easy installation of a cover profile on a base profile.
  • the invention allows pre-positioning of the elements intermediate on the cover profile.
  • Another advantage of the invention is that the use of an intermediate piece of suitable shape can compensate for manufacturing tolerances of base and cover profiles. Indeed, these are often made of aluminum and the use of a plastic intermediate piece (for example, PVC, polyamide, etc.) reduces the play between parts.
  • a plastic intermediate piece for example, PVC, polyamide, etc.
  • Another advantage of the invention is that this game is minimized by the hardness of the intermediate piece. According to the method AST MD 85, this hardness is between 104 and 120 shore D.
  • Another advantage of the invention in its mode of preferred embodiment where the number of grooves 113 of the base profile is greater than the number of notches 37 or external ribs of the intermediate piece is that regardless of the depth the intermediate part, as soon as all the notches 37 are engaged in grooves 113 of the base, its mechanical strength in the base profile (resistance to tearing) is constant.
  • the invention is suitable for mass production in allowing standardization of a maximum of elements.
  • heads 211 of cover profiles, parts intermediate 3 and the width of the grooves 11 of the base profiles and their respective grooves 113, or even the entire base profiles can be standard.
  • the heights of the tongues 21 cover profiles as well as the shape of the portions of cover 22 are adapted to the coating (s).
  • the invention is also suitable for stair noses.
  • the invention takes advantage of this elasticity to improve the locking or anchoring of the profile recovery.
  • the pressure applied tends to compress the coatings.
  • the coatings exert a vertical pressure which is converted into lateral pressure by part 3, improving jamming in the throat 11.
  • forms other than the cylinder may be provided for the general shape of the intermediate parts. These could, for example, have a section of general shape in U. However, an approximately circular section presents advantages in terms of rotation. It also allows more easily respect a minimum distance between the end free of the head 211 and the bottom 34 of the part 3, which participates to minimize the height of the room 3, therefore optimizes the possibilities for adjusting the height of the joint cover. This makes it easier besides the effect of wedging the part in the base by spacing of its tabs.
  • the walls 111 and 112 of the base profile 1 are not necessarily vertical. However, they must be parallel between at least on the part provided with grooves 113 used for height adjustment. Similarly, the depth of the groove may be less than the height of the base profile provided with stay higher than the height of the intermediate pieces to keep a possibility of adaptation in height by the insertion depth in the base profile.

Abstract

An intermediate connector (3) between a covering section (2) and a base (1), is provided with a cavity to receive the tab head (211) at lower side of covering section through an opening (32). An internal tab (35) in the connector, retains the head. The connector is clipped in a gully (11) provided in the base. The gully depth is greater than height of the connector, so as to adjust the joint cover height. An Independent claim is included for intermediate connector.

Description

La présente invention concerne les couvre-joints ou les barres de seuil destinés à cacher les joints entre des éléments de sol ou muraux. L'invention concerne plus particulièrement un couvre-joint ayant un profilé de recouvrement qui se fixe sur un profilé socle par encliquetage.The present invention relates to joint covers or threshold bars intended to hide the joints between elements of floor or wall. The invention relates more particularly to a joint cover having a cover profile which is fixed on a snap-on base profile.

De nombreuses barres de seuil comportent un profilé de recouvrement qui se fixe par enclenchement sur un profilé socle à l'aide d'un système à nervures complémentaires, par exemple de type "queue de sapin". De tels systèmes sont le plus souvent irréversibles, c'est-à-dire que si l'on veut démonter la barre de seuil, on doit arracher le profilé de recouvrement en détériorant les rainures complémentaires, ce qui les rend inutilisables pour un usage ultérieur. Parfois, le socle est prévu déformable. Dans ce cas, la limite élastique du matériau qui le constitue (généralement de l'aluminium) est rapidement atteinte, ce qui empêche la réutilisation.Many threshold bars have a profile of cover which is fixed by snapping on a base profile to using a system of complementary ribs, for example "fir tail" type. Such systems are most often irreversible, that is to say if you want to dismantle the bar threshold, we must tear off the cover profile by deteriorating the complementary grooves, which makes them unusable for later use. Sometimes the base is designed to be deformable. In in this case, the elastic limit of the material that constitutes it (usually aluminum) is quickly reached, which prevents reuse.

Par ailleurs, le sol est rarement régulier. Le profilé de recouvrement peut, par conséquent, ne pas être enfoncé à la même profondeur aux deux extrémités de la barre de seuil. Les nervures du profilé de recouvrement croisent alors les rainures complémentaires du profilé socle. La résistance à l'arrachement du profilé de recouvrement en est considérablement réduite.Furthermore, the soil is rarely regular. The profile cover may therefore not be pressed in at the same depth at both ends of the threshold bar. The ribs of the cover profile then cross the grooves complementary to the base profile. The resistance to tearing cover profile is considerably reduced.

Pour pallier ces inconvénients, on a déjà proposé d'intercaler, entre les profilés socle et de recouvrement, des pièces intermédiaires plastiques pour coincer périodiquement les deux profilés. Les pièces intermédiaires sont pré-positionnées sur le profilé socle. Un exemple d'une telle solution est décrit dans la demande de brevet européen 0 997 592 du demandeur.To overcome these drawbacks, we have already proposed to insert, between the base and cover profiles, plastic intermediate pieces to periodically wedge the two profiles. Intermediate parts are pre-positioned on the base profile. An example of such a solution is described in the applicant's European patent application 0 997 592.

Un problème qui subsiste par rapport à cette solution classique est que les pièces intermédiaires n'apportent pas un maintien latéral optimal du profilé de recouvrement. En particulier, cette solution est inadaptée aux nez de marche.A problem that remains with this solution classic is that the intermediate pieces do not provide a optimal lateral support of the cover profile. In particular, this solution is unsuitable for stair nosings.

Le document DE-U-299 19 138 décrit un assemblage à pièces intermédiaires selon lequel les pièces intermédiaires sont engagées dans une gorge longitudinale du profilé socle, une gorge du profilé de recouvrement étant rapportée sur une tête des pièces ou inversement. De telles pièces intermédiaires ne permettent pas au profilé de recouvrement de s'insérer dans le profilé socle, ce qui nuit à l'encombrement vertical de l'ensemble et interdit sa pose pour des revêtement de faible épaisseur. De plus, ces pièces n'autorisent pas de coopération entre la pièce intermédiaire et le profilé de recouvrement pour qu'une traction sur ce dernier accroisse la résistance à l'arrachement.Document DE-U-299 19 138 describes an assembly with parts intermediaries whereby the intermediary parts are engaged in a longitudinal groove of the base profile, a groove of the cover profile being attached to a head of the parts Or vice versa. Such intermediate parts do not allow the cover profile to fit into the base profile, this which affects the vertical size of the assembly and prohibits its poses for thin coatings. In addition, these pieces do not allow cooperation between the intermediate piece and the cover profile for traction on the latter increases resistance to tearing.

Le document EP-A-1 020 590 décrit un autre assemblage à pièces intermédiaires selon lequel les pièces intermédiaires sont engagées dans une gorges longitudinale du profilé socle, une gorge du profilé de recouvrement étant rapportée sur une tête des pièces. De telles pièces intermédiaires ne peuvent pas être encliquetées sur le profilé de recouvrement mais doivent être engagées dans sa gorge depuis une extrémité de celle-ci, ce qui nuit à la facilité du montage. De plus, comme pour le document précédent, il n'y a pas d'insertion du profilé de recouvrement dans le profilé socle, ni de coopération entre la pièce intermédiaire et le profilé de recouvrement pour qu'une traction sur ce dernier accroisse la résistance à l'arrachement.Document EP-A-1 020 590 describes another assembly with intermediate pieces according to which the intermediate pieces are engaged in a longitudinal groove of the base profile, a groove of the cover profile being attached to a head of the rooms. Such intermediate parts cannot be snapped onto the cover profile but must be engaged in its throat from one end thereof, which detracts from the ease of assembly. In addition, as for the document previous, there is no insertion of the cover profile in the base profile, nor cooperation between the part intermediate and the cover profile so that traction on the latter increases the resistance to tearing.

Le document DE-U-295 08 050 décrit un système de montage de parclose au moyen de pièces intermédiaires entre une gorge d'un socle et une tête de profilé de recouvrement, selon lequel des pièces intermédiaires en forme de U sont engagées dans la gorge en reposant sur son fond et reçoivent la tête du profilé de recouvrement. De telles pièces intermédiaires ne permettent pas d'adapter l'inclinaison du profilé de recouvrement. De plus, elles ne permettent pas un ajustement en hauteur des pièces intermédiaires dans le profilé socle, ni un montage par pré-positionnement des pièces sur le profilé de recouvrement. Document DE-U-295 08 050 describes a mounting system glazing bead by means of intermediate pieces between a groove of a base and a cover profile head, according to which U-shaped intermediate pieces are engaged in the groove in resting on its bottom and receive the head of the profile recovery. Such intermediate parts do not allow to adapt the inclination of the cover profile. In addition, they do not allow height adjustment of parts intermediate in the base profile, nor pre-positioning mounting parts on the cover profile.

La présente invention vise à proposer un nouveau système de couvre-joint ou barre de seuil qui pallie au moins un inconvénient des systèmes connus. En particulier, l'invention vise à proposer une pièce intermédiaire qui permet une adaptation de l'inclinaison du profilé de recouvrement par rapport au profilé socle, sans nuire à la tenue mécanique (résistance en contrainte latérale).The present invention aims to propose a new system joint cover or threshold bar which overcomes at least one disadvantage of known systems. In particular, the invention aims to propose an intermediate piece which allows an adaptation of the inclination of the cover profile relative to the profile base, without affecting mechanical strength (stress resistance lateral).

L'invention vise également à proposer une solution qui assure une bonne résistance à l'arrachement tout en permettant un démontage sans endommager les profilés.The invention also aims to propose a solution which provides good resistance to tearing while allowing disassembly without damaging the profiles.

L'invention vise également à proposer un système qui s'adapte automatiquement à la hauteur du revêtement.The invention also aims to propose a system which automatically adapts to the height of the covering.

L'invention vise en outre à faciliter le montage du couvre-joint et, en particulier, permette un pré-positionnement des pièces intermédiaires sur le profilé de recouvrement.The invention further aims to facilitate the mounting of the joint cover and, in particular, allows pre-positioning intermediate parts on the cover profile.

Pour atteindre ces objets et d'autres, la présente invention prévoit un couvre-joint comportant :

  • un profilé socle à fixer sur un support ;
  • un profilé de recouvrement ; et
  • une ou plusieurs pièces intermédiaires plus courtes que la longueur du couvre-joint et destinées à recevoir par encliquetage le profilé de recouvrement,
  • la pièce intermédiaire définissant une cavité de réception d'une tête d'une languette longitudinale que comporte le profilé de recouvrement, et comprenant de part et d'autre d'un plan traversant une ouverture d'accès à la cavité, au moins une nervure externe propre à coopérer, par encliquetage à forme contraire, avec des moyens d'une gorge longitudinale du profilé socle, et au moins une languette interne de retenue de ladite tête dans la pièce intermédiaire, la profondeur de la gorge étant supérieure à la hauteur de la pièce intermédiaire pour permettre un réglage de la hauteur du couvre-joint.
    • To achieve these and other objects, the present invention provides a joint cover comprising:
  • a base profile to be fixed on a support;
  • a cover profile; and
  • one or more intermediate parts shorter than the length of the joint cover and intended to receive by snap-fastening the cover profile,
  • the intermediate piece defining a cavity for receiving a head of a longitudinal tongue that comprises the cover profile, and comprising on either side of a plane passing through an access opening to the cavity, at least one rib external suitable for cooperating, by latching in the opposite shape, with means of a longitudinal groove of the base section, and at least one internal tongue retaining said head in the intermediate piece, the depth of the groove being greater than the height of the intermediate piece to allow adjustment of the height of the joint cover.

    • Selon un mode de réalisation de la présente invention, ladite gorge comporte, dans deux parois se faisant face, des rainures longitudinales, la pièce intermédiaire comprenant au moins deux nervures externes propres à coopérer avec lesdites rainures, la section transversale des rainures de la gorge étant adaptée à la section transversale des nervures externes de la pièce intermédiaire.According to an embodiment of the present invention, said groove has, in two facing walls, longitudinal grooves, the intermediate piece comprising at at least two external ribs capable of cooperating with said grooves, the cross section of the grooves of the groove being adapted to the cross section of the external ribs of the intermediate piece.

    Selon un mode de réalisation de la présente invention, le nombre de rainures de la gorge du profilé socle est choisi en fonction d'une plage d'adaptation souhaitée pour l'écart entre le profilé socle et le profilé de recouvrement, les deux parois de la gorge étant parallèles sur une profondeur au moins égale à la plage d'adaptation souhaitée.According to an embodiment of the present invention, the number of grooves in the groove of the base profile is chosen by function of a desired adaptation range for the difference between the base profile and cover profile, the two walls of the groove being parallel to a depth at least equal to the desired adaptation range.

    Selon un mode de réalisation de la présente invention, la languette longitudinale du profilé de recouvrement présente, en section transversale, une forme en queue de sapin avec une tête pourvue d'au moins deux double-dents et une partie, de préférence rectiligne, de liaison à une portion de recouvrement.According to an embodiment of the present invention, the longitudinal tongue of the cover profile has, in cross section, a fir-tail shape with a head provided with at least two double teeth and a part, preferably straight, connecting to a covering portion.

    L'invention prévoit également un pièce de fixation d'un profilé de recouvrement comprenant une languette d'encliquetage dans ladite pièce sur un profilé socle comprenant une gorge de réception de ladite pièce, ladite pièce définissant une cavité et comportant, de part et d'autre d'un plan traversant une ouverture d'accès à la cavité, au moins une et préférentiellement au moins deux nervures externes et au moins une languette interne.The invention also provides a fixing part for a cover profile including a snap-in tab in said part on a base profile comprising a groove receiving said part, said part defining a cavity and comprising, on either side of a plane passing through an opening access to the cavity, at least one and preferably at least two external ribs and at least one internal tongue.

    Selon un mode de réalisation de la présente invention, la pièce présente un plan de symétrie traversant l'ouverture et, en saillie de chacune de deux faces internes se faisant approximativement face, au moins une languette de fermeture partielle de la cavité interne et une nervure moins saillante que la languette.According to an embodiment of the present invention, the part has a plane of symmetry crossing the opening and, projecting from each of two internal faces being approximately facing, at least one closing tab partial of the internal cavity and a rib less protruding than the tongue.

    Selon un mode de réalisation de la présente invention, la pièce comporte, en saillie de chacune de deux faces externes opposées, au moins deux nervures.According to an embodiment of the present invention, the part comprises, projecting from each of two external faces opposite, at least two ribs.

    Selon un mode de réalisation de la présente invention, la pièce comprend, à l'opposé de l'ouverture de la cavité, une échancrure d'assouplissement. According to an embodiment of the present invention, the part comprises, opposite the opening of the cavity, a softening notch.

    Selon un mode de réalisation de la présente invention, la pièce est en matière plastique d'une dureté comprise, selon la méthode AST MD 85, entre 104 et 120 shore D.According to an embodiment of the present invention, the part is made of plastic with a hardness included, depending on the AST MD 85 method, between 104 and 120 shore D.

    Ces objets, caractéristiques et avantages, ainsi que d'autres de la présente invention seront exposés en détail dans la description suivante de modes de mise en oeuvre et de réalisation particuliers faites à titre non-limitatif en relation avec les figures jointes parmi lesquelles :

  • la figure 1 est une vue en perspective d'un mode de réalisation de barre de seuil ou couvre-joint l'invention ;
  • la figure 2 est une vue en coupe transversale d'une pièce intermédiaire selon un mode de réalisation préféré de l'invention ;
  • les figures 3A à 3D illustrent, par des vues partielles en coupe transversale, un mode de montage d'un profilé de recouvrement sur un profilé socle au moyen d'une pièce intermédiaire selon l'invention ; et
  • les figures 4 et 5 illustrent, par des vues partielles en coupe transversale, deux exemples de positions finales d'une pièce intermédiaire selon l'invention par rapport à un profilé socle et à un profilé de recouvrement qu'elle assemble.
    • These objects, characteristics and advantages, as well as others of the present invention will be explained in detail in the following description of particular modes of implementation and embodiments made without limitation in relation to the attached figures, among which:
  • Figure 1 is a perspective view of an embodiment of threshold bar or joint cover the invention;
  • Figure 2 is a cross-sectional view of an intermediate piece according to a preferred embodiment of the invention;
  • FIGS. 3A to 3D illustrate, by partial views in cross section, a method of mounting a cover profile on a base profile by means of an intermediate piece according to the invention; and
  • Figures 4 and 5 illustrate, by partial views in cross section, two examples of final positions of an intermediate piece according to the invention with respect to a base profile and a cover profile which it assembles.

    • Les mêmes éléments ont été désignés par les mêmes références aux différentes figures. Pour des raisons de clarté et de façon arbitraire, on désignera par longitudinale la direction principale d'un élément profilé, par latérale sa direction transversale, et par verticale la direction perpendiculaire au plan du support (revêtement de sol ou de mur) du couvre-joint. De même, on appellera arbitrairement internes les faces ou parties des profilés qui sont dirigées vers un élément de l'autre profilé ou qui sont en regard de ce dernier, et externes les faces ou parties qui sont dirigées vers l'extérieur du couvre-joint. En outre, on fera référence au haut et bas des éléments dans une représentation horizontale (posée au sol) du couvre-joint. The same elements have been designated by the same references to the different figures. For reasons of clarity and arbitrarily, the direction will be designated by longitudinal main of a profiled element, by lateral its transverse direction, and by vertical the direction perpendicular to the plane of the support (floor or wall covering) for the joint cover. Likewise, we arbitrarily call internal the faces or parts of profiles which are directed towards an element of the other profile or which are opposite the latter, and external the faces or parts which are directed towards the outside of the joint cover. In addition, we will refer to the top and bottom of the elements in a representation horizontal (placed on the ground) of the joint cover.

    La figure 1 représente, par une vue en perspective, partiellement arrachée, un mode de réalisation d'un couvre-joint ou barre de seuil selon la présente invention. Ce couvre-joint est constitué d'un profilé socle 1 destiné à être fixé sur un support, généralement un sol ou un mur, d'un profilé de recouvrement 2 destiné à être rapporté sur le profilé 1 pour masquer au moins une lisière d'un revêtement de sol ou de mur (non représenté en figure 1), et d'au moins une pièce de fixation intermédiaire 3. Selon l'invention, chaque pièce 3 est destinée à s'encliqueter autour d'une tête 211 d'une languette longitudinale interne 21 du profilé de recouvrement 2, puis à s'encliqueter dans une gorge longitudinale interne 11 du profilé socle 1.FIG. 1 represents, in a perspective view, partially torn off, an embodiment of a joint cover or threshold bar according to the present invention. This joint cover is consisting of a base profile 1 intended to be fixed on a support, generally a floor or a wall, with a cover profile 2 intended to be attached to the profile 1 to hide at least one edge of a floor or wall covering (not shown in figure 1), and at least one intermediate fixing piece 3. According to the invention, each part 3 is intended to snap around a head 211 of an internal longitudinal tongue 21 of the profile cover 2, then snap into a groove internal longitudinal 11 of the base section 1.

    Une caractéristique de l'invention est de prévoir des pièces intermédiaires 3 en matière plastique dure, ayant pour fonction d'apporter une fixation rigide du profilé de recouvrement 2 dans le profilé socle 1, tout en bénéficiant d'une certaine souplesse pour le montage des éléments par la forme de la pièce. Selon l'invention, la ou les pièces intermédiaires sont choisies dans un matériau suffisamment dur pour ne pas s'écraser sous la pression appliquée sur le profilé de recouvrement 2 lors du montage et de l'utilisation.A feature of the invention is to provide intermediate parts 3 of hard plastic, having for function of providing a rigid fixing of the cover profile 2 in the base profile 1, while benefiting from a certain flexibility for mounting the elements by the shape of the part. According to the invention, the intermediate part or parts are chosen in a material hard enough not to crash under the pressure applied to the cover profile 2 during mounting and use.

    Ainsi, à la différence d'une pièce en caoutchouc ou en plastique mou qui coincerait la languette 21 du profilé de recouvrement 2 dans la gorge 11 du profilé socle 1 par écrasement ou compression de cette pièce, l'invention prévoit une fixation rigide. Un avantage est que l'on supprime le jeu dans l'assemblage lié à la capacité de déformation du caoutchouc, tout en maintenant, comme on le verra par la suite, un jeu à l'intérieur de la pièce intermédiaire. Ce jeu permet, lors des passages, au profilé de recouvrement de s'enfoncer et de remonter sans que la fixation en souffre ainsi que l'orientation du profilé de recouvrement. Selon l'invention, le jeu est vertical et latéral.So, unlike a piece of rubber or soft plastic that would jam the tongue 21 of the cover profile 2 in the groove 11 of the base section 1 by crushing or compression of this part, the invention provides a fixing rigid. An advantage is that we remove the play in the assembly linked to the deformation capacity of rubber, while now, as we will see later, an indoor game of the intermediate piece. This game allows, during passages, to cover profile to sink and rise without the fixing suffers as well as the orientation of the profile recovery. According to the invention, the play is vertical and lateral.

    Le socle 1 d'un couvre-joint de l'invention comporte une embase 12, approximativement plane et destinée à reposer sur le sol ou mur (non représenté). L'embase 12 est fixée au support par des techniques classiques, par exemple, au moyen de vis 4 la traversant. La gorge 11 est saillante vers l'intérieur de l'embase (vers le profilé 2). Elle est définie par deux parois longitudinales 111 et 112 approximativement et préférentiellement verticales (perpendiculaires au plan de l'embase 12).The base 1 of a joint cover of the invention comprises a base 12, approximately flat and intended to rest on the floor or wall (not shown). The base 12 is fixed to the support by conventional techniques, for example, using screws 4 la crossing. The groove 11 protrudes towards the inside of the base (to profile 2). It is defined by two longitudinal walls 111 and 112 approximately and preferably vertical (perpendicular to the plane of the base 12).

    Dans l'exemple représenté, une des parois (la paroi 111) est placée à une extrémité latérale de l'embase 12. Cela permet, de façon classique, de disposer d'un socle standard, que le couvre-joint soit posé en bordure d'arrêt d'un revêtement unique ou en joint entre deux revêtements identiques ou différents. En variante, l'embase 12 peut cependant dépasser latéralement de part et d'autre de la gorge 11. De façon classique, la gorge 11 est, de préférence, d'une largeur inférieure à celle de l'embase 12 pour améliorer la tenue du socle 1 et permettre son vissage à l'extérieur de la gorge.In the example shown, one of the walls (wall 111) is placed at a lateral end of the base 12. This allows, conventionally, to have a standard base, that the joint cover is installed at the edge of a single covering or as a joint between two identical or different coatings. In variant, the base 12 may however protrude laterally from one side and on the other side of the groove 11. Conventionally, the groove 11 is preferably of a width less than that of the base 12 for improve the hold of base 1 and allow it to be screwed in outside the throat.

    Le profilé de recouvrement 2 d'un couvre-joint de l'invention comporte une portion de recouvrement 22 du ou des revêtements et la languette longitudinale 21, approximativement et préférentiellement verticale. Dans l'exemple de la figure 1, la portion 22 est plane et horizontale, la languette 21 étant perpendiculaire à la portion 22. La languette 21 comporte une partie rectiligne 212 de liaison de la tête 211 à la face interne de la portion 22. La forme et la taille de la portion 22 dépendent essentiellement du type de revêtement(s) dont le profilé de recouvrement doit masquer le ou les bords. La tête 211 d'un profilé de recouvrement de l'invention est en "queue de sapin" ou équivalent, et comporte de part et d'autre de la partie 212 définissant un plan de symétrie de la languette 21, au moins deux dents. Deux dents d'extrémité définissent ce que l'on appellera une première double-dent 213. Les deux dents suivantes forment une deuxième double-dent 214.The cover profile 2 of a joint cover of the invention includes a covering portion 22 of the coating (s) and the longitudinal tongue 21, approximately and preferably vertical. In the example in Figure 1, the portion 22 is flat and horizontal, the tongue 21 being perpendicular to the portion 22. The tongue 21 has a straight portion 212 connecting the head 211 to the internal face of the portion 22. The shape and size of the portion 22 depends essentially of the type of coating (s) whose profile overlap should hide the edge (s). Head 211 of a profile cover of the invention is in "fir tail" or equivalent, and includes on both sides of part 212 defining a plane of symmetry of the tongue 21, at least two teeth. Two end teeth define what will be called a first double-tooth 213. The next two teeth form a second double-tooth 214.

    Les pièces intermédiaires 3 destinées à assembler le profilé de recouvrement 2 sur le profilé socle 1 sont des tronçons ayant, de préférence, une section transversale régulière sur au moins la quasi-totalité de leur longueur. Il s'agit, par exemple, de tronçons découpés d'un profilé en matière plastique. La longueur des pièces 3 est relativement faible (par exemple, comprise entre 1 et 5 cm) par rapport à la longueur minimale habituelle du couvre-joint (généralement, supérieure à 50 cm).The intermediate parts 3 intended to assemble the cover profile 2 on the base profile 1 are sections preferably having a regular cross section on at minus almost all of their length. These are, for example, of sections cut from a plastic profile. The length of parts 3 is relatively short (for example, between 1 and 5 cm) compared to the minimum length usual joint cover (generally greater than 50 cm).

    Un mode de réalisation préféré d'une pièce intermédiaire 3 selon l'invention sera décrit ci-après en relation avec la figure 2 qui représente sa section transversale et avec les figures 3A à 3D qui illustrent, par des vues partielles en coupe, le montage d'un couvre-joint de l'invention.A preferred embodiment of an intermediate piece 3 according to the invention will be described below in relation to the Figure 2 which represents its cross section and with the FIGS. 3A to 3D which illustrate, by partial section views, mounting a joint cover of the invention.

    Dans l'exemple des figures, la pièce 3 a une forme générale de cylindre creux définissant une cavité 31 de réception de la tête 211 de la languette 21 du profilé de recouvrement 2. De plus, elle présente, comme la languette 21, un plan de symétrie vertical. La pièce 3 comporte, dans sa partie supérieure, une ouverture 32 pour l'engagement de la languette 21 par sa tête 211. L'ouverture 32 est limitée par des rebords ou languettes 33. Partant de l'ouverture 32 et en descendant vers le fond 34 de la cavité 31, l'intérieur comporte, de chaque côté, une languette 35 de fermeture partielle, approximativement horizontale, suivie d'une nervure ou languette 36. Les rebords 33, languettes 35 et nervures 36 sont saillants vers l'intérieur, les languettes 35 étant plus saillantes que les nervures 36. A l'extérieur, la pièce 3 présente, dans sa partie la plus large (environ à mi-hauteur dans le cas d'une section approximativement circulaire), et de chaque côté, au moins une nervure ou cran 37 (de préférence, deux) saillant vers l'extérieur. Les crans 37 ou équivalents sont destinés à coopérer, à formes contraires, avec des rainures 113 (figure 2) ménagées dans les faces internes des parois 111 et 112 de la gorge 11 du profilé socle 1. Dans son fond, la pièce 3 comporte une échancrure externe 38.In the example of the figures, the part 3 has a shape general of hollow cylinder defining a receiving cavity 31 of the head 211 of the tongue 21 of the covering profile 2. From more, it has, like the tongue 21, a plane of symmetry vertical. The part 3 has, in its upper part, a opening 32 for the engagement of the tongue 21 by its head 211. The opening 32 is limited by flanges or tabs 33. Starting from the opening 32 and going down to the bottom 34 of the cavity 31, the interior has, on each side, a tongue 35 partial closing, approximately horizontal, followed a rib or tongue 36. The edges 33, tongues 35 and ribs 36 protrude inwards, the tongues 35 being more protruding than the ribs 36. Outside, the part 3 presents, in its widest part (about halfway up in the case of an approximately circular section), and each side, at least one rib or notch 37 (preferably two) projecting outwards. Notches 37 or equivalent are intended to cooperate, in opposite shapes, with grooves 113 (Figure 2) formed in the internal faces of the walls 111 and 112 of the groove 11 of the base profile 1. In its bottom, the part 3 has an external notch 38.

    Lors du montage, on commence (figure 3A) par engager la pièce 3 sur la tête 211 de la languette 21. Cet engagement consiste à faire passer à la double-dent d'extrémité 213, les rebords 33. Les rebords 33 ou équivalents ont une fonction de maintien temporaire de la tête 211 lors de la mise en place, l'écart entre les deux rebords étant légèrement inférieur à la largeur de la double-dent 213.During assembly, we start (Figure 3A) by engaging the piece 3 on the head 211 of the tongue 21. This engagement consists in passing to the double end tooth 213, the ledges 33. The ledges 33 or equivalent have a function of temporary maintenance of the head 211 during installation, the distance between the two edges being slightly less than the width of the double-tooth 213.

    On exerce ensuite une pression plus forte de la pièce 3 sur le profilé 2 (figures 3B et 3C). La souplesse latérale due à la forme de la pièce et favorisée par la faiblesse localisée (échancrure 38) du bas de la pièce 3 permet son "ouverture" autorisant le passage (figure 3B), par la double-dent 213, du rétrécissement dû aux languettes de fermeture 35. La longueur des languettes 35 leur confère une certaine souplesse et élasticité facilitant ce passage. La double-dent 214 se trouve alors entre les rebords 33 et les languettes 35. L'enfoncement se poursuit (figure 3C) jusqu'à ce que la double-dent d'extrémité 213 se trouve entre les nervures 36 et le fond 34 de la cavité 31. La double-dent 214 se trouve alors entre les languettes 35 et les nervures 36. La pièce 3 est alors pré-positionnée par rapport au profilé de recouvrement. On peut considérer que les languettes 35 ou équivalents ont pour rôle de retenir la tête 211 à l'intérieur de la pièce 3 tandis que les nervures 36 ou équivalents ont pour rôle de verrouiller la position de la tête 211.We then exert a stronger pressure on part 3 on profile 2 (Figures 3B and 3C). Lateral flexibility due to the shape of the part and favored by localized weakness (notch 38) at the bottom of part 3 allows its "opening" allowing the passage (FIG. 3B), through the double tooth 213, of the narrowing due to the closing tabs 35. The length of the tabs 35 gives them a certain flexibility and elasticity facilitating this passage. The double-tooth 214 is then between the edges 33 and the tabs 35. The sinking continues (Figure 3C) until the double end tooth 213 is between the ribs 36 and the bottom 34 of the cavity 31. The double-tooth 214 is then between the tongues 35 and the ribs 36. The part 3 is then pre-positioned relative to the cover profile. We can consider that the tabs 35 or equivalent have the role of holding the head 211 inside of part 3 while the ribs 36 or equivalent have for role of locking the position of the head 211.

    Après avoir pré-positionné toutes les pièces 3, l'ensemble est amené sur la gorge 11 (figure 3D) du profilé socle. On suppose que le profilé socle a préalablement été fixé au support. Le centrage s'effectue automatiquement par la forme externe (circulaire ou à coins coupés) du bas des pièces 3. L'introduction de chaque pièce 3 et son encliquetage dans la gorge 11 s'effectue en force. Le léger jeu de la tête 211 dans la cavité 31 (notamment de la double-dent 214 entre les languettes 35 et les nervures 36), combiné avec la souplesse latérale favorisée par l'échancrure 38, fait que la pièce 3 peut légèrement se refermer pour faciliter le passage, par les crans 37, des rainures 113. On évite ainsi tout risque d'écartement dommageable des parois 111 et 112 de la gorge 11, ce qui évite un surdimensionnement de leur épaisseur pour des raisons de résistance mécanique.After having pre-positioned all of the parts 3, the assembly is brought to the groove 11 (FIG. 3D) of the base profile. We assumes that the base profile has previously been fixed to the support. Centering takes place automatically by the external shape (circular or cut corners) from the bottom of the pieces 3. The introduction of each part 3 and its snap-fitting in the groove 11 takes place in strength. The slight play of the head 211 in the cavity 31 (in particular of the double-tooth 214 between the tongues 35 and the ribs 36), combined with the lateral flexibility favored by the notch 38, fact that part 3 can close slightly to facilitate passage, through the notches 37, of the grooves 113. This thus avoids all risk of damaging separation of the walls 111 and 112 of the groove 11, which avoids oversizing their thickness for reasons of mechanical resistance.

    Le cas échéant, les pièces 3 présentent à une de leurs extrémités longitudinales respectives, au moins un téton ponctuel ou équivalent ayant pour rôle de limiter, sans toutefois l'interdire par la force manuelle, le glissement des pièces sur le profilé de recouvrement et de faciliter ainsi le montage.Where appropriate, parts 3 present at one of their respective longitudinal ends, at least one point nipple or equivalent having the role of limiting, without however prohibit it by manual force, the sliding of the pieces on the cover profile and thus facilitate assembly.

    L'enfoncement de l'ensemble profilé de recouvrement et pièces intermédiaires dépend de la hauteur du ou des revêtements. La hauteur du couvre-joint s'adapte automatiquement. De plus, comme les pièces intermédiaires sont de longueurs relativement faibles, la discontinuité obtenue dans la longueur du couvre-joint permet une adaptation automatique aux variations de hauteur dans la longueur du couvre-joint. Le nombre de rainures 113 du socle 1 qui est supérieur au nombre de crans ou nervures externes 37 des pièces intermédiaires 3, participe à cette adaptation.The sinking of the cover profile assembly and intermediate parts depends on the height of the covering (s). The height of the joint cover adjusts automatically. Moreover, as the intermediate pieces are relatively long weak, the discontinuity obtained in the length of the joint cover allows automatic adaptation to height variations in the length of the joint cover. The number of grooves 113 on the base 1 which is greater than the number of external notches or ribs 37 of intermediate parts 3, participates in this adaptation.

    Le nombre de crans 37 dépend de leur section et de l'adaptabilité souhaitée en profondeur d'engagement de la pièce 3 dans la gorge 11. Pour une section de crans donnée, plus le nombre de crans 37 augmente, plus la hauteur de la pièce 3 augmente et moins la profondeur est adaptable pour une profondeur de gorge 11 donnée. De préférence, la hauteur de la pièce 3 correspond à environ la moitié de la profondeur de la gorge 11.The number of notches 37 depends on their section and the desired adaptability in depth of engagement of the part 3 in groove 11. For a given notch section, the higher the number notches 37 increases, the more the height of the part 3 increases and less depth is adaptable for a throat depth 11 given. Preferably, the height of the piece 3 corresponds to about half the depth of the throat 11.

    Le nombre de double-dents de la tête 211 et leur taille dépendent de la forme interne des pièces 3. Plus précisément, la hauteur des languettes 35 et nervures 36 et l'écart vertical entre celles-ci est fonction de la hauteur des double-dents 213 et 214 et de leur écart vertical. De préférence, la tête 211 s'inscrit, en section, dans un rectangle dont la hauteur reste inférieure à la largeur. Cela favorise, avec la différence de longueur (en section dans la direction horizontale) entre les languettes 35 et les nervures 36, l'adaptabilité en orientation dans la cavité 31. La largeur de la cavité 31, entre les languettes 35 et les nervures 36, est légèrement supérieure à la largeur des double-dents 213 et 214. De même, les dimensions de la cavité 31 sous les nervures 36 sont adaptées pour que la double-dent d'extrémité 213 s'y engage avec léger jeu. The number of double teeth of the head 211 and their size depend on the internal shape of the parts 3. More precisely, the height of the tongues 35 and ribs 36 and the vertical distance between these are a function of the height of the double teeth 213 and 214 and their vertical distance. Preferably, the head 211 fits, in section, in a rectangle whose height remains less than the width. This favors, with the difference in length (in section in the horizontal direction) between the tabs 35 and the ribs 36, the adaptability in orientation in the cavity 31. The width of the cavity 31, between the tongues 35 and the ribs 36, is slightly greater than the width of the double teeth 213 and 214. Similarly, the dimensions of the cavity 31 under the ribs 36 are adapted so that the double end tooth 213 gets involved with light play.

    Les figures 4 et 5 représentent, par des vues partielles en coupe, deux exemples de positions finales respectives des éléments d'un couvre-joint selon l'invention.Figures 4 and 5 show, in partial views in section, two examples of respective end positions of the elements of a joint cover according to the invention.

    Dans l'exemple de la figure 4, la pièce 3 est horizontale dans la gorge 11, c'est-à-dire que les crans 37 sont engagés dans des rainures 113 d'un même niveau. Un léger jeu de la tête 211 dans la cavité 31 ainsi que la souplesse des languettes 35 permettent une adaptation automatique de l'horizontalité du profilé de recouvrement. Cette adaptation est toutefois limitée à une légère inclinaison (quelques degrés au plus).In the example of Figure 4, the part 3 is horizontal in the groove 11, that is to say that the notches 37 are engaged in grooves 113 of the same level. A slight game of head 211 in the cavity 31 as well as the flexibility of the tongues 35 allow automatic adjustment of the horizontality of the cover profile. This adaptation is however limited to a slight inclination (a few degrees at most).

    Si une plus grande inclinaison est nécessaire, celle-ci s'effectue par la liaison socle-pièce et non plus par la liaison pièce-recouvrement. Comme l'illustre la figure 5, lors de l'enfoncement de l'ensemble profilé de recouvrement et pièces intermédiaires dans la gorge 11, la pièce 3 n'est pas horizontale. Des crans 37 de même niveau s'encliquettent alors dans des rainures 113 de niveaux différents. L'inclinaison de la pièce 3 se reporte sur la languette verticale du profilé de recouvrement. Pour la fonctionnalité qui vient d'être décrite, le nombre de crans 37 est, de préférence, limité à deux.If a greater tilt is required, this is carried out by the plinth-part connection and no longer by the connection Part-recovery. As illustrated in Figure 5, when sinking of the cover profile assembly and intermediate parts in the groove 11, the part 3 is not horizontal. of the notches 37 of the same level then snap into grooves 113 of different levels. The inclination of part 3 refers on the vertical tab of the cover profile. For the functionality which has just been described, the number of notches 37 is preferably limited to two.

    De préférence, la section des languettes 35, des nervures 36, des rebords 34 et des crans 37 de la pièce 3 est approximativement circulaire aux extrémités libres. En variante, on pourra prévoir d'autres sections (pointues, carrées, etc.). Cependant, une section circulaire présente des avantages en termes de facilité d'introduction de la languette 21 du profilé de recouvrement et de rotation pour adaptation de l'inclinaison.Preferably, the section of the tongues 35, of the ribs 36, edges 34 and notches 37 of part 3 is approximately circular with free ends. Alternatively, we may provide for other sections (pointed, square, etc.). However, a circular section has advantages in terms ease of insertion of the tongue 21 of the profile overlap and rotation to adapt the inclination.

    A titre d'exemple particulier de réalisation, pour une gorge 11 ayant une largeur (entre deux fonds de rainures 113 se faisant face) d'environ 6,5 mm, on prévoit une pièce 3 ayant une largeur totale maximale (entre les extrémités libres de deux crans 37 alignés horizontalement) d'environ 6,5 mm et une hauteur d'environ 5,5 mm. La tête 211 a alors, par exemple, une largeur d'environ 3 mm pour une hauteur d'environ 2 mm (1 mm par double-dent). La gorge 11 peut être d'une profondeur (hauteur) comprise, par exemple, entre 7 et 20 mm.As a particular embodiment, for a groove 11 having a width (between two bottoms of grooves 113 is facing) of about 6.5 mm, there is provided a part 3 having a maximum total width (between the free ends of two notches 37 horizontally aligned) of about 6.5 mm and a height about 5.5 mm. The head 211 then has, for example, a width about 3 mm for a height of about 2 mm (1 mm per double-tooth). The groove 11 can be of a depth (height) included, for example, between 7 and 20 mm.

    Lors d'une traction vers le haut du profilé de recouvrement d'un couvre-joint monté de l'invention, la double-dent 214 tend à entraíner les languettes 35, ce qui engendre une pression latérale les parois de la gorge et renforce le serrage à l'intérieur du profilé socle 1. Le couvre-joint de l'invention est cependant démontable sans risque d'endommager les profilés socle et de recouvrement. En effet, à partir d'une certaine force de traction verticale, les languettes 35 se tordent vers le haut et libèrent, successivement la double-dent 214, puis la double-dent 213. Le profilé de recouvrement est donc extrait des pièces intermédiaires qui restent dans le socle 1. En variante, on force une rotation du profilé de recouvrement par rapport au socle au moyen, par exemple, d'une lame engagée entre le revêtement et le profilé de recouvrement. La résistance à l'arrachement du profilé de recouvrement dépend, essentiellement, du nombre de pièces intermédiaires pour une longueur de profilé donnée et de la longueur de ces pièces. Pour extraire les pièces intermédiaires 3 une à une du socle 1 (ce qui est nécessaire pour une réutilisation du socle), on rapproche les deux côtés de chaque pièce 3, par exemple au moyen d'une lame rapprochant les rebords 33 l'un vers l'autre jusqu'à dégager les crans 37 des rainures 113, l'échancrure 38 permettant la déformation. Au pire, en cas de démontage peu soigneux, on perd les pièces intermédiaires 3 que l'on remplace pour un nouveau montage.When pulling up the cover profile of a mounted joint cover of the invention, the double-tooth 214 tends to cause the tabs 35, which generates pressure lateral the throat walls and reinforces the tightening the interior of the base profile 1. The joint cover of the invention is however removable without risk of damaging the base profiles and recovery. Indeed, from a certain force of vertical pull, the tabs 35 twist upwards and successively release the double-tooth 214, then the double-tooth 213. The cover profile is therefore extracted from the parts intermediaries which remain in the base 1. As a variant, we force a rotation of the cover profile relative to the base at means, for example, of a blade engaged between the coating and the cover profile. The resistance to tearing of the profile of recovery depends, essentially, on the number of pieces intermediates for a given profile length and length of these pieces. To extract the intermediate parts 3 a to one of the base 1 (which is necessary for reuse of the base), the two sides of each part 3 are brought together, for example by means of a blade bringing the flanges 33 towards each other until the notches 37 are released from the grooves 113, the notch 38 allowing deformation. At worst, in case of disassembly little careful, we lose the intermediate parts 3 which we replace for a new assembly.

    Un avantage de l'invention est qu'elle permet une mise en place aisée d'un profilé de recouvrement sur un profilé socle. En particulier, l'invention permet un pré-positionnement des éléments intermédiaires sur le profilé de recouvrement.An advantage of the invention is that it allows a setting easy installation of a cover profile on a base profile. In particular, the invention allows pre-positioning of the elements intermediate on the cover profile.

    Un autre avantage de l'invention est que le recours à une pièce intermédiaire de forme adaptée permet de compenser les tolérances de fabrication des profilés socle et de recouvrement. En effet, ces derniers sont souvent en aluminium et le recours à une pièce intermédiaire plastique (par exemple, en PVC, en polyamide, etc.) réduit le jeu entre les pièces.Another advantage of the invention is that the use of an intermediate piece of suitable shape can compensate for manufacturing tolerances of base and cover profiles. Indeed, these are often made of aluminum and the use of a plastic intermediate piece (for example, PVC, polyamide, etc.) reduces the play between parts.

    Un autre avantage de l'invention est que ce jeu est minimisé par la dureté de la pièce intermédiaire. Selon la méthode AST MD 85, cette dureté est comprise entre 104 et 120 shore D.Another advantage of the invention is that this game is minimized by the hardness of the intermediate piece. According to the method AST MD 85, this hardness is between 104 and 120 shore D.

    Un autre avantage de l'invention dans son mode de réalisation préféré où le nombre de rainures 113 du profilé socle est supérieur au nombre de crans 37 ou nervures externes de la pièce intermédiaire est que, quelle que soit la profondeur d'enfoncement de la pièce intermédiaire, dès que tous les crans 37 sont engagés dans des rainures 113 du socle, sa tenue mécanique dans le profilé socle (résistance à l'arrachement) est constante.Another advantage of the invention in its mode of preferred embodiment where the number of grooves 113 of the base profile is greater than the number of notches 37 or external ribs of the intermediate piece is that regardless of the depth the intermediate part, as soon as all the notches 37 are engaged in grooves 113 of the base, its mechanical strength in the base profile (resistance to tearing) is constant.

    L'invention est adaptée à des fabrications en série en permettant une standardisation d'un maximum d'éléments. En particulier, les têtes 211 des profilés de recouvrement, les pièces intermédiaires 3 et la largeur des gorges 11 des profilés socle et leurs rainures 113 respectives, voire les profilés socle entiers, peuvent être standards. Par contre, les hauteurs des languettes 21 des profilés de recouvrement ainsi que la forme des portions de recouvrement 22 sont adaptées au(x) revêtement(s). A cet égard, l'invention convient également aux nez de marche.The invention is suitable for mass production in allowing standardization of a maximum of elements. In particular, heads 211 of cover profiles, parts intermediate 3 and the width of the grooves 11 of the base profiles and their respective grooves 113, or even the entire base profiles, can be standard. On the other hand, the heights of the tongues 21 cover profiles as well as the shape of the portions of cover 22 are adapted to the coating (s). In this regard, the invention is also suitable for stair noses.

    Dans le cas de revêtements disposant d'une certaine élasticité verticale (par exemple, conférée par une couche de mousse pour un parquet stratifié ou par sa nature et son épaisseur pour une moquette), l'invention tire profit de cette élasticité pour améliorer le verrouillage ou ancrage du profilé de recouvrement. En effet, lors de l'enfoncement dans le socle, la pression exercée tend à comprimer les revêtements. Lorsque cette pression se relâche, les revêtements exercent une pression verticale qui est convertie en pression latérale par la pièce 3, améliorant le coincement dans la gorge 11.In the case of coatings with a certain vertical elasticity (for example, imparted by a layer of foam for laminate parquet or by its nature and thickness for a carpet), the invention takes advantage of this elasticity to improve the locking or anchoring of the profile recovery. In fact, when sinking into the base, the pressure applied tends to compress the coatings. When this pressure is released, the coatings exert a vertical pressure which is converted into lateral pressure by part 3, improving jamming in the throat 11.

    Bien entendu, la présente invention est susceptible de diverses variantes et modifications qui apparaítront à l'homme de l'art. En particulier, les dimensions données à titre d'exemple pourront être modifiées en fonction de l'application, à partir des indications fonctionnelles données ci-dessus.Of course, the present invention is capable of various variants and modifications which will appear to the man of art. In particular, the dimensions given by way of example may be modified depending on the application, from functional indications given above.

    En particulier, dans un mode de réalisation simplifié, on peut prévoir une seule languette dans la pièce intermédiaire en saillie de chacune de ses deux faces internes, cette languette pouvant même être confondue avec la languette dite de maintien temporaire pourvu qu'elle ait une possibilité de débattement latéral dans le profilé socle. De plus, bien que le recours à deux nervures externes de part et d'autre de la pièce constitue un mode de réalisation préféré, on pourra prévoir une seule de ces nervures de chaque côté de la pièce.In particular, in a simplified embodiment, we can provide a single tab in the intermediate piece protrusion from each of its two internal faces, this tongue can even be confused with the so-called holding tab temporary provided it has a possibility of travel side in the base profile. In addition, although the use of two external ribs on either side of the room is a mode of preferred embodiment, one can provide only one of these ribs on each side of the room.

    En outre, d'autres formes que le cylindre pourront être prévues pour la forme générale des pièces intermédiaires. Celles-ci pourront, par exemple, avoir une section de forme générale en U. Toutefois, une section approximativement circulaire présente des avantages en termes de rotation. Cela permet également de respecter plus facilement une distance minimale entre l'extrémité libre de la tête 211 et le fond 34 de la pièce 3, ce qui participe à minimiser la hauteur de la pièce 3, donc optimise les possibilités de réglage en hauteur du couvre-joint. Cela facilite en outre l'effet de coincement de la pièce dans le socle par écartement de ses languettes.In addition, forms other than the cylinder may be provided for the general shape of the intermediate parts. These could, for example, have a section of general shape in U. However, an approximately circular section presents advantages in terms of rotation. It also allows more easily respect a minimum distance between the end free of the head 211 and the bottom 34 of the part 3, which participates to minimize the height of the room 3, therefore optimizes the possibilities for adjusting the height of the joint cover. This makes it easier besides the effect of wedging the part in the base by spacing of its tabs.

    Enfin, pour la mise en oeuvre de l'invention, les parois 111 et 112 du profilé socle 1 ne sont pas nécessairement verticales. Il faut cependant qu'elles soient parallèles entre elles au moins sur la partie pourvue des rainures 113 servant au réglage en hauteur. Dans le même ordre idée, la profondeur de la gorge peut être inférieure à la hauteur du profilé socle pourvu de rester supérieure à la hauteur des pièces intermédiaires pour conserver une possibilité d'adaptation en hauteur par la profondeur d'enfoncement dans le profilé socle.Finally, for the implementation of the invention, the walls 111 and 112 of the base profile 1 are not necessarily vertical. However, they must be parallel between at least on the part provided with grooves 113 used for height adjustment. Similarly, the depth of the groove may be less than the height of the base profile provided with stay higher than the height of the intermediate pieces to keep a possibility of adaptation in height by the insertion depth in the base profile.

    Claims (10)

    Couvre-joint comportant : un profilé socle (1) à fixer sur un support ; un profilé de recouvrement (2) ; et une ou plusieurs pièces intermédiaires (3) plus courtes que la longueur du couvre-joint et destinées à recevoir par encliquetage le profilé de recouvrement,    caractérisé en ce que la pièce intermédiaire définit une cavité (31) de réception d'une tête (211) d'une languette longitudinale (21) que comporte le profilé de recouvrement (2), et comprend de part et d'autre d'un plan traversant une ouverture (32) d'accès à la cavité, au moins une nervure externe (37) propre à coopérer, par encliquetage à forme contraire, avec des moyens (113) d'une gorge longitudinale (11) du profilé socle, et au moins une languette interne (33, 35, 36) de retenue de ladite tête dans la pièce intermédiaire, la profondeur de la gorge étant supérieure à la hauteur de la pièce intermédiaire pour permettre un réglage de la hauteur du couvre-joint.Joint cover comprising: a base profile (1) to be fixed on a support; a cover profile (2); and one or more intermediate parts (3) shorter than the length of the joint cover and intended to receive by snap-fastening the cover profile, characterized in that the intermediate piece defines a cavity (31) for receiving a head (211) of a longitudinal tongue (21) which comprises the covering profile (2), and comprises on either side of a plane passing through an opening (32) for access to the cavity, at least one external rib (37) capable of cooperating, by snap-fitting in opposite shape, with means (113) of a longitudinal groove (11) of the base profile , and at least one internal tab (33, 35, 36) for retaining said head in the intermediate piece, the depth of the groove being greater than the height of the intermediate piece to allow adjustment of the height of the joint cover. Couvre-joint selon la revendication 1, caractérisé en ce que ladite gorge (11) comporte, dans deux parois (111, 112) se faisant face, des rainures longitudinales (113), la pièce intermédiaire (3) comprenant au moins deux nervures externes (37) propres à coopérer avec lesdites rainures, la section transversale des rainures de la gorge étant adaptée à la section transversale des nervures externes de la pièce intermédiaire.Joint cover according to claim 1, characterized in that said groove (11) has, in two walls (111, 112) facing each other, longitudinal grooves (113), the intermediate piece (3) comprising at least two external ribs (37) suitable for cooperating with said grooves, the cross section of the grooves in the groove being adapted to the cross section of the external ribs of the intermediate piece. Couvre-joint selon la revendication 2, caractérisé en ce que le nombre de rainures (113) de la gorge (11) du profilé socle (1) est choisi en fonction d'une plage d'adaptation souhaitée pour l'écart entre le profilé socle et le profilé de recouvrement (2), les deux parois (111, 112) de la gorge étant parallèles sur une profondeur au moins égale à la plage d'adaptation souhaitée.Joint cover according to claim 2, characterized in that the number of grooves (113) in the groove (11) of the base profile (1) is chosen according to a desired adaptation range for the distance between the profile base and cover profile (2), the two walls (111, 112) of the groove being parallel to a depth at least equal to the desired adaptation range. Couvre-joint selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la languette longitudinale (21) du profilé de recouvrement (2) présente, en section transversale, une forme en queue de sapin avec une tête (211) pourvue d'au moins deux double-dents (213, 214) et une partie (212), de préférence rectiligne, de liaison à une portion de recouvrement (22).Joint cover according to any one of Claims 1 to 3, characterized in that the longitudinal tongue (21) of the cover profile (2) has, in cross section, a fir-tree shape with a head (211) provided at least two double teeth (213, 214) and a part (212), preferably rectilinear, for connection to a covering portion (22). Pièce de fixation d'un profilé de recouvrement (2) comprenant une languette (21) d'encliquetage dans ladite pièce (3) sur un profilé socle (1) comprenant une gorge (11) de réception de ladite pièce, caractérisée en ce qu'elle définit une cavité (31) et comporte, de part et d'autre d'un plan traversant une ouverture (32) d'accès à la cavité, au moins une et préférentiellement au moins deux nervures externes (37) et au moins une languette interne (33, 35, 36).Fixing part for a covering profile (2) comprising a tongue (21) for snapping into said part (3) on a base profile (1) comprising a groove (11) for receiving said part, characterized in that '' it defines a cavity (31) and comprises, on either side of a plane passing through an opening (32) for access to the cavity, at least one and preferably at least two external ribs (37) and at least an internal tab (33, 35, 36). Pièce selon la revendication 5, caractérisé en ce qu'elle présente un plan de symétrie traversant l'ouverture (32) et, en saillie de chacune de deux faces internes se faisant approximativement face, au moins une languette de fermeture partielle (35) de la cavité interne (31) et une nervure (36) moins saillante que la languette.Piece according to claim 5, characterized in that it has a plane of symmetry passing through the opening (32) and, projecting from each of two internal faces which are approximately facing each other, at least one partially closing tab (35) of the internal cavity (31) and a rib (36) less protruding than the tongue. Pièce de fixation selon la revendication 5 ou 6, caractérisée en ce qu'elle comporte, en saillie de chacune de deux faces externes opposées, au moins deux nervures (37).Fastening piece according to claim 5 or 6, characterized in that it comprises, projecting from each of two opposite external faces, at least two ribs (37). Pièce de fixation selon l'une quelconque des revendications 5 à 7, caractérisée en ce qu'elle comprend, à l'opposé de l'ouverture (32) de la cavité (31), une échancrure d'assouplissement (38).Fastening piece according to any one of claims 5 to 7, characterized in that it comprises, opposite the opening (32) of the cavity (31), a softening notch (38). Pièce de fixation selon l'une quelconque des revendications 5 à 8, caractérisé en ce qu'elle est en matière plastique d'une dureté comprise, selon la méthode AST MD 85, entre 104 et 120 shore D.Fastening piece according to any one of claims 5 to 8, characterized in that it is made of plastic of a hardness comprised, according to the AST MD 85 method, between 104 and 120 shore D. Couvre-joint selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la ou les pièces intermédiaires sont des pièces conformes à l'une quelconque des revendications 5 à 9.Joint cover according to any one of claims 1 to 4, characterized in that the intermediate piece or pieces are pieces according to any one of claims 5 to 9.
    EP01410133A 2000-11-02 2001-10-23 Joint covering strip Expired - Lifetime EP1203856B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0014060A FR2815983B1 (en) 2000-11-02 2000-11-02 JOINT COVER
    FR0014060 2000-11-02

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    EP1203856A1 true EP1203856A1 (en) 2002-05-08
    EP1203856B1 EP1203856B1 (en) 2007-02-21

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    EP (1) EP1203856B1 (en)
    AT (1) ATE354708T1 (en)
    DE (1) DE60126719T2 (en)
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    EP1020590A2 (en) * 1999-01-15 2000-07-19 Daniele Fontana Joint element for floorings
    DE29919138U1 (en) * 1999-10-30 1999-12-30 Staboplast Kunststoffertigung Floor covering joint strip

    Cited By (9)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1647650A2 (en) * 2004-10-15 2006-04-19 L.I.C.A.R. SpA Skirting board
    EP1647650A3 (en) * 2004-10-15 2006-07-26 L.I.C.A.R. SpA Skirting board
    EP1767727A3 (en) * 2005-09-24 2007-10-31 Richard Anthony Whiting Engaging assembly for flooring
    EP1808549A3 (en) * 2006-01-11 2008-03-05 Karl-Heinz Fiedler Skirting board
    ITFI20090064A1 (en) * 2009-03-27 2010-09-28 Alessandro Belli "MODULAR STRUCTURE FOR SURFACE ELEMENTS, SURFACE ELEMENT FOR SUCH STRUCTURE AND CONNECTING SYSTEM FOR SUPPORTED ELEMENTS"
    WO2012035563A1 (en) 2010-09-15 2012-03-22 Mazzetti, Giulio Modular structure for surface elements, surface element for said structure, and coupling system for supported elements
    WO2014128609A1 (en) 2013-02-22 2014-08-28 Unilin, Bvba Finishing set for a floor covering
    US10138639B2 (en) 2016-07-11 2018-11-27 Unilin North America Llc Molding assembly and floor installation
    EP3369873A1 (en) * 2017-03-03 2018-09-05 Pedrinzani Srl Reversible fixing system for panelings

    Also Published As

    Publication number Publication date
    US6729092B2 (en) 2004-05-04
    EP1203856B1 (en) 2007-02-21
    DE60126719T2 (en) 2008-01-24
    FR2815983A1 (en) 2002-05-03
    ATE354708T1 (en) 2007-03-15
    PL350502A1 (en) 2002-05-06
    PL201018B1 (en) 2009-02-27
    DE60126719D1 (en) 2007-04-05
    FR2815983B1 (en) 2003-06-06
    US20020050109A1 (en) 2002-05-02

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