EP1281823A1 - Parquet-type flooring strip and tool for joining such strips - Google Patents

Parquet-type flooring strip and tool for joining such strips Download PDF

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Publication number
EP1281823A1
EP1281823A1 EP02360227A EP02360227A EP1281823A1 EP 1281823 A1 EP1281823 A1 EP 1281823A1 EP 02360227 A EP02360227 A EP 02360227A EP 02360227 A EP02360227 A EP 02360227A EP 1281823 A1 EP1281823 A1 EP 1281823A1
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EP
European Patent Office
Prior art keywords
groove
tongue
blade
locking means
lip
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
EP02360227A
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German (de)
French (fr)
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EP1281823B1 (en
Inventor
Jean-Jacques Strub
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.)
Espace Production International SA EPI
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Espace Production International SA EPI
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Publication date
Application filed by Espace Production International SA EPI filed Critical Espace Production International SA EPI
Publication of EP1281823A1 publication Critical patent/EP1281823A1/en
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Publication of EP1281823B1 publication Critical patent/EP1281823B1/en
Anticipated expiration legal-status Critical
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    • 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
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/20—Implements for finishing work on buildings for laying flooring
    • E04F21/22—Implements for finishing work on buildings for laying flooring of single elements, e.g. flooring cramps ; flexible webs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/023—Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove

Definitions

  • the invention relates to a parquet floor plank, comprising, on at least two of its opposite sides, means socket in the form, respectively, on one side, a groove delimited by an upper lip and a lower lip and, on the opposite side, a tongue, this one having, on its face lower, mechanical locking means provided for cooperate with additional locking means that has on its upper face oriented on the side of the groove said lower lip.
  • the present invention relates to the field of floor coverings and, in particular, parquet floors, in particular parquet floors laminates. Ultimately, the present invention will find a interest especially in the context of the proposed solutions for assembling parquet boards without glue.
  • these mechanical locking means are on the one hand, in the form of a longitudinal boss at the level of the underside of the tongue.
  • a longitudinal recess is made in the upper face of the lower lip so as to receive the above-mentioned boss.
  • said boss and obviously, substantially defining the mechanical locking means cooperate with each other through contact surfaces in the form of a slope ascending in a direction from the interior to the outside of the groove. Also, through these surfaces of contact and under the effect of a pressure exerted on a blade, even under the influence of its own weight, the tongue has tendency to be pushed back into the groove of the adjacent blade.
  • This contact surface is located at the lip lower, at least partly in the section of this lip lower extending beyond the upper lip.
  • a tongue can be defined so as to allow the joining of two panels while maintaining them substantially in the same plane.
  • the blades comprising such means of interlocking mechanical locking avoid the use of glue for their assembly, it does not prevent that during the installation of a covering soil made up of these planks, certain difficulties can to be met.
  • an interlocking is reversible.
  • the present invention aims to remedy the drawbacks of the state of the art, through a simple solution, also providing a link irreversible between the blades.
  • the invention relates to a floor plank of the type parquet with at least two opposite sides of it interlocking means which consist on one side in a groove bounded by an upper lip and a lower lip, and on the opposite side in a tongue, this one having on its face lower mechanical locking means provided for cooperate with additional locking means that has, on its upper face oriented towards the groove, lower lip, said locking means mechanical being defined, at the level of the lower face of the tongue at the base of the latter in conjunction with the blade, by a longitudinal groove defining a rim of restraint at the back of which is provided capable of engaging a stop retainer on the upper side of the lower lip corresponding to the groove and defining said means of additional locking, characterized in that said locking means consist, in combination, of a lower face of the tongue inclined at an angle determined with respect to the upper face, giving this tongue wedge shape with thickness gradually increasing to its base and that the locking means complementary consist, in combination, of a face upper of the lower lip corresponding to the groove defining an ascending plane of
  • the present invention relates to floorboards of the type floating floors, designed to be fitted together in the others by collage.
  • such a blade 1 comprises, on at least two on its opposite sides 2, 3, nesting means 4 under forms, respectively, on one side 2, a groove 5 delimited by an upper lip 6 and a lower lip 7 and, on the side opposite 3, a tongue 8, the latter being designed to be received in a groove 5 of an adjacent blade 1A as is visible in Figure 2 or in Figures 3, 4 and 5.
  • said tongue 8 has on its face lower 9, mechanical locking means 10 provided to cooperate with complementary locking means 11 that comprises, on its upper face 12 oriented in the direction of the groove 5, the lower lip 7 of the latter.
  • said locking means 10 associated with the tongue 8 consist in that the underside 9 of the latter is inclined at an angle ⁇ determined by relative to the upper face 13, giving this tongue 8 a gradually increasing thickness up to its base 14, in connection with the blade 1. Furthermore, at this base 14 is formed a longitudinal groove 15 extending, by therefore, parallel to the longitudinal axis of the tongue 8. This groove 15 comes to define, thus at this face lower 9 of said tongue 8, a retaining rim 16.
  • the upper lip 6 is chamfered, again to guide the nesting of the tongue 8 of an adjacent blade 1 in the groove 5 of a first blade 1A.
  • a retaining edge 16, just like a retaining edge 17 are not not strictly perpendicular to the plane of the blades 1, 1A, but are slightly inclined so as to favor, when the assembly, the engagement of this edge 17 at the rear of this ledge 16. This inclination is determined so that under the effect of pressure exerted vertically on the floor defined by the blades 1, 1A, this edge 17 and the edge of retainer 16 naturally slide over one another, with the consequence of pushing back the tongue 8 of a blade 1 in the groove 5 of the adjacent blade 1A.
  • the present invention also relates to a tool 20 intended to facilitate nesting of two blades.
  • This tool 20 comprises, first of all, a tongue 21 adjusted to the shape of the groove 5, while having a thickness maximum 22 at most equal to the maximum spacing 23 between the lower lip 7 and upper lip 6 of such a groove 5, the spacing 23 being measured, substantially, between the top of the retaining edge 17 and the underside 24 of the lip upper 6.
  • this tongue 21 extends horizontally from a vertical edge 25 of a support block 26. It is located, again, at a height 27 relative to the base 28 of the latter substantially corresponding to the distance 29 separating the plane median of the groove 5 of a blade 1 relative to the face lower 30 of the latter.
  • the support block of the tool 20 On its opposite side 31 to said tongue 21, the support block of the tool 20 has a striking surface 32 capable, under the impact of a striking tool 33, to transmit to this block support 26 an effort with horizontal or parallel components blades 1, 1A to be assembled, and a vertical component intended to guarantee that the support block 26 remains in contact with the ground, under the effect of such a strike.
  • this tool 20 comprises, in parallel and above of the tongue 21, a covering strip 34 intended to extend above the blade 1 in the groove 5 of which is engaged this tongue 21, to push this blade 1 in the direction of another adjacent blade 1A and get their nesting.
  • this covering strip 4 is intended to avoid, under the effect of the impact on the surface of hatch 32, the rotation of the tool 20 about an axis substantially corresponding to the end edge 35 of the lip upper 6 of this groove 5 corresponding to blade 1 receiving the tongue 21 of this tool 20.
  • the latter has the advantage of allowing consider laying the boards 1, 1A in reverse laying process implemented in case of glued floor.
  • the length 1 of the tongue 21, by relation to the transverse edge 25 of the corresponding support block 26 with tool 20, is defined such that this tongue comes cooperate, due to the frustoconical shape of a groove 5, with the internal walls of the latter in order to regrow, through this groove 5, a blade 1 in the direction of a another blade 1A juxtaposed.

Abstract

The flooring strip (1), especially of laminate, has a tongue (8) and groove (5) along opposite edges (3, 2). The tongue has a wedge shaped cross-section, widening towards the strip, where it has a recess (15) along its underside to interlock with a matching ridge (17) on the lower lip (7) of the groove in the adjoining strip. Adjacent strips are fitted together without adhesive, using a special tool in the shape of a block with a tongue along one edge and an inclined surface on the opposite edge for striking with a mallet.

Description

L'invention a trait à une lame de plancher de type parquet, comportant, sur au moins deux de ses côtés opposés, des moyens d'emboítement sous forme, respectivement, d'un côté, une rainure délimitée par une lèvre supérieure et une lèvre inférieure et, du côté opposé, une languette, celle-ci présentant, sur sa face inférieure, des moyens de verrouillage mécaniques prévus pour coopérer avec des moyens de verrouillage complémentaires que comporte sur sa face supérieure orientée du côté de la rainure ladite lèvre inférieure.The invention relates to a parquet floor plank, comprising, on at least two of its opposite sides, means socket in the form, respectively, on one side, a groove delimited by an upper lip and a lower lip and, on the opposite side, a tongue, this one having, on its face lower, mechanical locking means provided for cooperate with additional locking means that has on its upper face oriented on the side of the groove said lower lip.

La présente invention concerne le domaine des revêtements de sol et, en particulier, des parquets, notamment des parquets stratifiés. En fin de compte, la présente invention trouvera un intérêt tout spécialement dans le cadre des solutions proposées pour l'assemblage des lames de parquets sans colle.The present invention relates to the field of floor coverings and, in particular, parquet floors, in particular parquet floors laminates. Ultimately, the present invention will find a interest especially in the context of the proposed solutions for assembling parquet boards without glue.

Des lames de planchers répondant à la description ci-dessus sont d'ores et déjà connues, notamment au travers du document PCT/EP97/03006. Ainsi, dans ce document il est question d'un revêtement de sol constitué par des panneaux ou des lames comprenant une partie centrale à base de bois. Ces panneaux ou lames comportent, sur au moins deux de leurs bords opposés, des moyens d'accouplement qui sont ici réalisés en une seule pièce avec ladite partie centrale à base de bois. Ces moyens d'emboítement empruntent, essentiellement, la forme d'une languette et d'une rainure, laquelle est délimitée par une lèvre supérieure et une lèvre inférieure. En fait, celle-ci est définie de nature élastique et peut s'étendre ou non au-delà de la lèvre supérieure, soit au-delà du plan vertical passant par l'extrémité libre de cette dernière.Floor planks meeting the above description are already known, in particular through the document PCT / EP97 / 03006. So in this document we are talking about a floor covering consisting of panels or planks comprising a central part based on wood. These panels or blades have, on at least two of their opposite edges, coupling means which are here made in one piece with said central wood-based part. These means interlocking borrows, essentially, the form of a tongue and a groove, which is delimited by a lip upper and lower lip. In fact, this is defined of an elastic nature and may or may not extend beyond the upper lip, that is beyond the vertical plane passing through the free end of the latter.

Quant aux moyens d'emboítement ou d'accouplement, ils sont munis de moyens de verrouillage mécaniques intégrés destinés à empêcher l'écartement de deux panneaux une fois accouplés l'un à l'autre. Ainsi, ces moyens de verrouillage mécaniques se présentent, d'une part, sous forme d'un bossage longitudinal au niveau de la face inférieure de la languette. D'autre part, un évidement longitudinal est pratiqué dans la face supérieure de la lèvre inférieure de manière à recevoir le bossage précité.As for the means of nesting or coupling, they are provided integrated mechanical locking means intended for prevent the spreading of two panels once coupled to each other the other. Thus, these mechanical locking means are on the one hand, in the form of a longitudinal boss at the level of the underside of the tongue. On the other hand, a longitudinal recess is made in the upper face of the lower lip so as to receive the above-mentioned boss.

A noter que selon certains modes de réalisation décrits, ledit bossage et l'évidemment, définissant substantiellement les moyens de verrouillage mécaniques, coopèrent l'un avec l'autre au travers de surfaces de contact sous forme d'une pente ascendante dans une direction allant depuis l'intérieur vers l'extérieur de la rainure. Aussi, au travers de ces surfaces de contact et sous l'effet d'une pression exercée sur une lame, voire sous l'influence de son propre poids, la languette a tendance à être repoussée dans la rainure de la lame adjacente. Cette surface de contact se situe, au niveau de la lèvre inférieure, au moins en partie dans le tronçon de cette lèvre inférieure s'étendant au-delà de la lèvre supérieure.Note that according to certain embodiments described, said boss and obviously, substantially defining the mechanical locking means, cooperate with each other through contact surfaces in the form of a slope ascending in a direction from the interior to the outside of the groove. Also, through these surfaces of contact and under the effect of a pressure exerted on a blade, even under the influence of its own weight, the tongue has tendency to be pushed back into the groove of the adjacent blade. This contact surface is located at the lip lower, at least partly in the section of this lip lower extending beyond the upper lip.

Il est encore précisé que, tout comme cette lèvre inférieure d'une rainure, une languette peut être définie de manière à permettre la jonction de deux panneaux tout en les maintenant sensiblement dans un même plan.It is further clarified that, just like this lower lip of a groove, a tongue can be defined so as to allow the joining of two panels while maintaining them substantially in the same plane.

Si des lames comportant de tels moyens d'emboítement à verrouillage mécanique évitent l'usage de colle pour leur assemblage, il n'empêche qu'au cours de la pose d'un revêtement de sol constitué de ces lames, certaines difficultés peuvent être rencontrées. Ainsi, en procédant à l'emboítement de la lame, d'autres déjà emboítées, peuvent être désolidarisées tenant compte que, dans la plupart des modes de réalisation présentés, un tel emboítement est réversible.If the blades comprising such means of interlocking mechanical locking avoid the use of glue for their assembly, it does not prevent that during the installation of a covering soil made up of these planks, certain difficulties can to be met. Thus, by proceeding to the nesting of the blade, others already fitted, can be detached taking into account that in most embodiments presented, such an interlocking is reversible.

Par ailleurs, dans la mesure où le verrouillage d'une lame par rapport à une autre est dépendant de cette coopération du bossage de la languette avec l'évidement dans la lèvre inférieure, il s'agit de s'assurer, au cours du montage, que ces lames ont été convenablement emboítées pour générer cette coopération.Furthermore, insofar as the locking of a blade by relationship to another is dependent on this cooperation of tongue projection with the recess in the lip ensure that, during assembly, these blades were suitably fitted to generate this cooperation.

Une autre difficulté consiste en ce qu'au travers de la configuration particulière de ces moyens de verrouillage, quelques difficultés peuvent se poser pour trouver, lors de l'assemblage des lames, la rainure de l'une au travers de la languette d'une autre adjacente. Par ailleurs, si dans le cas de lames de planchers assemblées par collage les risques d'infiltration d'eau à hauteur de leur jointure sont quasiment résolus, lors d'un assemblage de ces lames par accouplement mécanique, ces problèmes persistent le plus souvent. En effet, une certaine étanchéité n'est obtenue qu'au travers des moyens de verrouillage intervenant, en quelque sorte sous la languette d'une lame emboítée dans la rainure d'une autre adjacente. Aussi, de l'eau peut s'infiltrer tout au long dans cette rainure et il est indispensable qu'un traitement efficace soit appliqué à l'intérieur de ces dernières, tout comme au niveau des languettes.Another difficulty is that through the particular configuration of these locking means, some difficulties may arise in finding, when the assembly of the blades, the groove of one through the another adjacent tongue. Furthermore, if in the case of floorboards assembled by gluing the risks of water infiltration at the level of their joint are almost resolved, when these blades are assembled by coupling mechanical, these problems most often persist. Indeed, a certain seal is only obtained by means intervening locking, somehow under the tongue a blade fitted into the groove of another adjacent. Also, water can seep along this groove and it is essential that an effective treatment is applied within these, as well as at the level of tongues.

Finalement, la présente invention a pour but de remédier aux inconvénients de l'état de la technique, au travers d'une solution simple, procurant, par ailleurs, une liaison irréversible entre les lames.Finally, the present invention aims to remedy the drawbacks of the state of the art, through a simple solution, also providing a link irreversible between the blades.

A cet effet, l'invention a trait à une lame de plancher de type parquet comportant sur au moins deux de ses côtés opposés des moyens d'emboítement qui consistent d'un côté en une rainure délimitée par une lèvre supérieure et une lèvre inférieure, et du côté opposé en une languette, celle-ci présentant sur sa face inférieure des moyens de verrouillage mécaniques prévus pour coopérer avec des moyens de verrouillage complémentaires que comporte, sur sa face supérieure orientée en direction de la rainure, la lèvre inférieure, lesdits moyens de verrouillage mécaniques étant définis, au niveau de la face inférieure de la languette au niveau de la base de cette dernière en liaison avec la lame, par une rainure longitudinale définissant un rebord de retenue à l'arrière duquel est prévu apte à s'engager une arrête de retenue ménagée sur la face supérieure de la lèvre inférieure correspondant à la rainure et définissant lesdits moyens de verrouillage complémentaires, caractérisée par le fait que lesdits moyens de verrouillage consistent, en combinaison, en une face inférieure de la languette inclinée selon un angle déterminé par rapport à la face supérieure, conférant à cette languette une forme de coin avec une épaisseur progressivement croissante jusqu'à sa base et que les moyens de verrouillage complémentaires consistent, en combinaison, en une face supérieure de la lèvre inférieure correspondant à la rainure définissant un plan ascendant d'inclinaison sensiblement constante depuis l'extérieur vers l'intérieur de la rainure.To this end, the invention relates to a floor plank of the type parquet with at least two opposite sides of it interlocking means which consist on one side in a groove bounded by an upper lip and a lower lip, and on the opposite side in a tongue, this one having on its face lower mechanical locking means provided for cooperate with additional locking means that has, on its upper face oriented towards the groove, lower lip, said locking means mechanical being defined, at the level of the lower face of the tongue at the base of the latter in conjunction with the blade, by a longitudinal groove defining a rim of restraint at the back of which is provided capable of engaging a stop retainer on the upper side of the lower lip corresponding to the groove and defining said means of additional locking, characterized in that said locking means consist, in combination, of a lower face of the tongue inclined at an angle determined with respect to the upper face, giving this tongue wedge shape with thickness gradually increasing to its base and that the locking means complementary consist, in combination, of a face upper of the lower lip corresponding to the groove defining an ascending plane of inclination substantially constant from the outside to the inside of the groove.

Finalement, au travers de ces moyens de verrouillages associés à la languette et ceux complémentaires que comporte la lèvre inférieure d'une rainure, l'on obtient un assemblage à la manière d'un coin, sachant que la forme de la rainure est ajustée à celle de cette languette. Aussi, un tel assemblage, sécurisé au travers de la coopération du rebord et de l'arrêt de retenue, est en soi apte à garantir la liaison entre deux lames.Finally, through these locking means associated with the tongue and those complementary to the lip bottom of a groove, we obtain an assembly to the corner way, knowing that the shape of the groove is adjusted to that of this tab. Also, such an assembly, secured through the cooperation of the ledge and the stopping of retained, is in itself capable of guaranteeing the connection between two blades.

D'autres buts et avantages de la présente invention apparaítront au cours de la description qui va suivre se rapportant à un mode de réalisation donné à titre indicatif et non limitatif.Other objects and advantages of the present invention will become apparent during the description which follows relating to a mode of realization given as an indication and not limiting.

La compréhension de cette description sera facilitée en se référant au dessin ci-joint dans lequel :

  • La figure 1 est une représentation schématisée, vue en coupe transversale, d'une lame de parquet conforme à l'invention ;
  • La figure 2 est une vue schématisée partielle et en coupe transversale de deux lames accouplées ;
  • Les figures 3, 4 et 5 illustrent, de manière schématisée, les étapes de l'assemblage de deux lames conformes à l'invention, qui plus est, au moyen d'un outil adapté.
    • The understanding of this description will be facilitated by referring to the attached drawing in which:
  • Figure 1 is a schematic representation, in cross section, of a parquet strip according to the invention;
  • Figure 2 is a partial schematic view in cross section of two coupled blades;
  • Figures 3, 4 and 5 illustrate, schematically, the steps of assembling two blades according to the invention, moreover, by means of a suitable tool.

    • Tel que représenté dans les figures du dessin ci-joint, la présente invention a trait à des lames de planchers de type parquet flottant, prévues à même d'être emboítées les unes dans les autres par collage.As shown in the figures in the attached drawing, the the present invention relates to floorboards of the type floating floors, designed to be fitted together in the others by collage.

    En fin de compte, une telle lame 1 comporte, sur au moins deux de ses côtés opposés 2, 3, des moyens d'emboítement 4 sous forme, respectivement, d'un côté 2, une rainure 5 délimitée par une lèvre supérieure 6 et une lèvre inférieure 7 et, du côté opposé 3, une languette 8, celle-ci étant prévue à même d'être reçue dans une rainure 5 d'une lame adjacente 1A comme cela est visible dans la figure 2 ou encore dans les figures 3, 4 et 5.In the end, such a blade 1 comprises, on at least two on its opposite sides 2, 3, nesting means 4 under forms, respectively, on one side 2, a groove 5 delimited by an upper lip 6 and a lower lip 7 and, on the side opposite 3, a tongue 8, the latter being designed to be received in a groove 5 of an adjacent blade 1A as is visible in Figure 2 or in Figures 3, 4 and 5.

    Plus particulièrement, ladite languette 8 présente sur sa face inférieure 9, des moyens de verrouillage mécaniques 10 prévus pour coopérer avec des moyens de verrouillage complémentaires 11 que comporte, sur sa face supérieure 12 orientée en direction de la rainure 5, la lèvre inférieure 7 de cette dernière.More particularly, said tongue 8 has on its face lower 9, mechanical locking means 10 provided to cooperate with complementary locking means 11 that comprises, on its upper face 12 oriented in the direction of the groove 5, the lower lip 7 of the latter.

    Selon l'invention, lesdits moyens de verrouillage 10 associés à la languette 8, consistent en ce que la face inférieure 9 de cette dernière est inclinée selon un angle α déterminé par rapport à la face supérieure 13, conférant à cette languette 8 une épaisseur progressivement croissante jusqu'à sa base 14, en liaison avec la lame 1. Par ailleurs, au niveau de cette base 14 est ménagée une rainure longitudinale 15 s'étendant, par conséquent, parallèlement à l'axe longitudinal de la languette 8. Cette rainure 15 vient définir, ainsi au niveau de cette face inférieure 9 de ladite languette 8, un rebord de retenue 16. According to the invention, said locking means 10 associated with the tongue 8, consist in that the underside 9 of the latter is inclined at an angle α determined by relative to the upper face 13, giving this tongue 8 a gradually increasing thickness up to its base 14, in connection with the blade 1. Furthermore, at this base 14 is formed a longitudinal groove 15 extending, by therefore, parallel to the longitudinal axis of the tongue 8. This groove 15 comes to define, thus at this face lower 9 of said tongue 8, a retaining rim 16.

    A l'arrière de ce dernier, est prévue apte à venir s'emboíter une arête de retenue 17 ménagée sur la face supérieure 12 de la lèvre inférieure 7 correspondant à une rainure 5, laquelle face 12 définit un plan ascendant d'inclinaison sensiblement constante depuis l'extérieur vers l'intérieur de la rainure 5. En conséquence, cette caractéristique de la lèvre inférieure 7, en combinaison avec l'arête de retenue 17, définit les moyens de verrouillage complémentaires 11At the rear of the latter, is provided capable of coming to fit together a retaining edge 17 formed on the upper face 12 of the lower lip 7 corresponding to a groove 5, which face 12 defines an ascending plane of inclination substantially constant from the outside to the inside of the groove 5. Consequently, this characteristic of the lower lip 7, in combination with the retaining edge 17, defines the means of complementary locks 11

    Finalement et tel que cela ressort en particulier des dessins ci-joints, au travers de la face inférieure 9 inclinée de la languette 8 celle-ci emprunte la forme, sensiblement, d'un coin par rapport auquel est ajustée la forme tronconique de la rainure 5.Finally and as shown in particular in the drawings attached, through the inclined underside 9 of the tongue 8 this takes on the shape, substantially, of a wedge with respect to which the frustoconical shape of the groove 5.

    En conséquence, lors de l'emboítement de deux lames 1, 1A comme visible dans la figure 4, emboítement par ailleurs, facilité au travers de cette forme tronconique, ladite languette 8 vient progressivement se coincer dans cette rainure 5.Consequently, when two blades 1, 1A are fitted together as visible in Figure 4, interlocking also facilitated through this frustoconical shape, said tongue 8 comes gradually get stuck in this groove 5.

    Par ailleurs, dans le cadre d'une dernière opération d'assemblage, l'on force légèrement l'engagement de cette languette 8 dans ladite rainure 5, jusqu'à obtenir l'emboítement de l'arête de retenue 17, correspondant à la lèvre inférieure 7 d'une première lame 1, à l'arrière du rebord de retenue 16 que comporte, au niveau de sa face inférieure 9, la languette 8 de la lame adjacente 1A.In addition, as part of a last operation assembly, we slightly force the engagement of this tongue 8 in said groove 5, until the socket is obtained of the retaining edge 17, corresponding to the lower lip 7 a first blade 1, behind the retaining rim 16 that comprises, at its lower face 9, the tongue 8 of the adjacent blade 1A.

    A noter que le franchissement de cette arête de retenue 17 par la languette 8, en particulier dans sa portion 18 où celle-ci est la plus épaisse, soit tout juste avant le rebord de retenue 16, la lèvre inférieure 7 présente une certaine élasticité lui permettant précisément, lors de ce franchissement, de s'écarter légèrement de la lèvre supérieure 6. Note that the crossing of this retaining edge 17 by the tongue 8, in particular in its portion 18 where it is the thickest, just before the retaining edge 16, the lower lip 7 has a certain elasticity allowing precisely, during this crossing, to deviate slightly from the upper lip 6.

    Préférentiellement, à l'embouchure de la rainure 5 et du côté interne par rapport à cette dernière, la lèvre supérieure 6 est chanfreinée, de manière là encore à guider l'emboítement de la languette 8 d'une lame adjacente 1 dans la rainure 5 d'une première lame 1A.Preferably, at the mouth of groove 5 and on the side internal with respect to the latter, the upper lip 6 is chamfered, again to guide the nesting of the tongue 8 of an adjacent blade 1 in the groove 5 of a first blade 1A.

    Comme visible tout particulièrement dans les figures 1 et 2, un rebord de retenue 16, tout comme une arête de retenue 17 ne sont pas strictement perpendiculairement au plan des lames 1, 1A, mais sont légèrement inclinés de manière à favoriser, lors de l'assemblage, l'engagement de cette arête 17 à l'arrière de ce rebord 16. Cette inclinaison est déterminée de sorte que sous l'effet d'une pression exercée verticalement sur le plancher défini par les lames 1, 1A, cette arête 17 et le rebord de retenue 16 viennent glisser naturellement l'un sur l'autre, ayant pour conséquence de repousser la languette 8 d'une lame 1 dans la rainure 5 de la lame 1A adjacente.As can be seen very particularly in FIGS. 1 and 2, a retaining edge 16, just like a retaining edge 17 are not not strictly perpendicular to the plane of the blades 1, 1A, but are slightly inclined so as to favor, when the assembly, the engagement of this edge 17 at the rear of this ledge 16. This inclination is determined so that under the effect of pressure exerted vertically on the floor defined by the blades 1, 1A, this edge 17 and the edge of retainer 16 naturally slide over one another, with the consequence of pushing back the tongue 8 of a blade 1 in the groove 5 of the adjacent blade 1A.

    Comme visible dans les figures 3 et 4, la présente invention concerne, encore, un outil 20 destiné à faciliter l'emboítement de deux lames.As shown in Figures 3 and 4, the present invention also relates to a tool 20 intended to facilitate nesting of two blades.

    Cet outil 20 comporte, tout d'abord, une languette 21 ajustée à la forme de la rainure 5, tout en présentant une épaisseur maximum 22 au plus égale à l'écartement maximum 23 entre la lèvre inférieure 7 et la lèvre supérieure 6 d'une telle rainure 5, l'écartement 23 se mesurant, sensiblement, entre le sommet de l'arête de retenue 17 et la face inférieure 24 de la lèvre supérieure 6.This tool 20 comprises, first of all, a tongue 21 adjusted to the shape of the groove 5, while having a thickness maximum 22 at most equal to the maximum spacing 23 between the lower lip 7 and upper lip 6 of such a groove 5, the spacing 23 being measured, substantially, between the top of the retaining edge 17 and the underside 24 of the lip upper 6.

    En fin de compte, cette languette 21 s'étend horizontalement depuis un chant vertical 25 d'un bloc support 26. Elle se situe, encore, à une hauteur 27 par rapport à la base 28 de ce dernier correspondant sensiblement à la distance 29 séparant le plan médian de la rainure 5 d'une lame 1 par rapport à la face inférieure 30 de cette dernière. Ultimately, this tongue 21 extends horizontally from a vertical edge 25 of a support block 26. It is located, again, at a height 27 relative to the base 28 of the latter substantially corresponding to the distance 29 separating the plane median of the groove 5 of a blade 1 relative to the face lower 30 of the latter.

    Sur son côté opposé 31 à ladite languette 21, le bloc support de l'outil 20 présente une surface de frappe 32 susceptible, sous l'impact d'un outil de frappe 33, de transmettre à ce bloc support 26 un effort à composantes horizontales, soit parallèles aux lames 1, 1A à assembler, et une composante verticale destinée à garantir le maintien du bloc support 26 en contact avec le sol, sous l'effet d'une telle frappe.On its opposite side 31 to said tongue 21, the support block of the tool 20 has a striking surface 32 capable, under the impact of a striking tool 33, to transmit to this block support 26 an effort with horizontal or parallel components blades 1, 1A to be assembled, and a vertical component intended to guarantee that the support block 26 remains in contact with the ground, under the effect of such a strike.

    Par ailleurs, cet outil 20 comporte, de manière parallèle et au-dessus de la languette 21, un bandeau de recouvrement 34 destiné à s'étendre au-dessus de la lame 1 dans la rainure 5 de laquelle est engagée cette languette 21, pour repousser cette lame 1 dans la direction d'une autre lame adjacente 1A et obtenir leur emboítement. En fin de compte, ce bandeau de recouvrement 4 est destiné à éviter, sous l'effet de l'impact sur la surface de trappe 32, la rotation de l'outil 20 autour d'un axe correspondant, sensiblement, au chant d'extrémité 35 de la lèvre supérieure 6 de cette rainure 5 correspondant à lame 1 recevant la languette 21 de cet outil 20.Furthermore, this tool 20 comprises, in parallel and above of the tongue 21, a covering strip 34 intended to extend above the blade 1 in the groove 5 of which is engaged this tongue 21, to push this blade 1 in the direction of another adjacent blade 1A and get their nesting. In the end, this covering strip 4 is intended to avoid, under the effect of the impact on the surface of hatch 32, the rotation of the tool 20 about an axis substantially corresponding to the end edge 35 of the lip upper 6 of this groove 5 corresponding to blade 1 receiving the tongue 21 of this tool 20.

    Finalement, ce dernier présente l'avantage de permettre d'envisager la pose des lames 1, 1A de manière inversée au procédé de pose mis en oeuvre en cas de plancher collé.Finally, the latter has the advantage of allowing consider laying the boards 1, 1A in reverse laying process implemented in case of glued floor.

    On notera, en outre, que la longueur 1 de la languette 21, par rapport au chant transversal 25 du bloc support 26 correspondant à l'outil 20, est définie tel que cette languette vienne coopérer, en raison de la forme tronconique d'une rainure 5, avec les parois internes de cette dernière en vue de repousser, au travers de cette rainure 5, une lame 1 en direction d'une autre lame 1A juxtaposée.It will also be noted that the length 1 of the tongue 21, by relation to the transverse edge 25 of the corresponding support block 26 with tool 20, is defined such that this tongue comes cooperate, due to the frustoconical shape of a groove 5, with the internal walls of the latter in order to regrow, through this groove 5, a blade 1 in the direction of a another blade 1A juxtaposed.

    Claims (4)

    Lame de plancher de type parquet comportant sur au moins deux de ses côtés opposés (2, 3) des moyens d'emboítement (4) qui consistent d'un côté (2) en une rainure (5) délimitée par une lèvre supérieure (6) et une lèvre inférieure (7) et du côté opposé (3) en une languette (8), celle-ci présentant sur sa face inférieure (9) des moyens de verrouillage mécaniques (10) prévus pour coopérer avec des moyens de verrouillage complémentaires (11) que comporte, sur sa face supérieure (12) orientée en direction de la rainure (5), la lèvre inférieure (7), lesdits moyens de verrouillage mécaniques (10) étant définis, au niveau de la face inférieure (9) de la languette (8) au niveau de la base (14) de cette dernière en liaison avec la lame (1 ; 1A), par une rainure longitudinale (15) définissant un rebord de retenue (16) à l'arrière duquel est prévu apte à s'engager une arête de retenue (17) ménagée sur la face supérieure (12) de la lèvre inférieure (7) correspondant à la rainure (5) et définissant lesdits moyens de verrouillage complémentaires (11), caractérisée par le fait que lesdits moyens de verrouillage (10) consistent, en combinaison, en une face inférieure (9) de la languette (8) inclinée selon un angle (α) déterminé par rapport à la face supérieure (13), conférant à cette languette (8) une forme de coin avec une épaisseur progressivement croissante jusqu'à sa base (14) et que les moyens de verrouillage complémentaires (11) consistent, en combinaison, en une face supérieure (12) de la lèvre inférieure (7) correspondant à la rainure (5) définissant un plan ascendant d'inclinaison sensiblement constante depuis l'extérieur vers l'intérieur de la rainure (5).Parquet floor plank comprising on at least two of its opposite sides (2, 3) interlocking means (4) which consist on one side (2) in a groove (5) delimited by an upper lip (6 ) and a lower lip (7) and on the opposite side (3) in a tongue (8), the latter having on its lower face (9) mechanical locking means (10) provided to cooperate with complementary locking means (11) which comprises, on its upper face (12) oriented in the direction of the groove (5), the lower lip (7), said mechanical locking means (10) being defined, at the level of the lower face (9) of the tongue (8) at the base (14) of the latter in connection with the blade (1; 1A), by a longitudinal groove (15) defining a retaining rim (16) at the rear of which is provided able to engage a retaining edge (17) formed on the upper face (12) of the lower lip (7) corresponding spondant to the groove (5) and defining said complementary locking means (11), characterized in that said locking means (10) consist, in combination, of a lower face (9) of the tongue (8) inclined according to an angle (α) determined relative to the upper face (13), giving this tongue (8) a wedge shape with a gradually increasing thickness to its base (14) and that the complementary locking means (11) consist, in combination, of an upper face (12) of the lower lip (7) corresponding to the groove (5) defining an ascending plane of substantially constant inclination from the outside to the inside of the groove (5). Lame de plancher selon la revendication 1, caractérisée par le fait que le rebord de retenue (16), tout comme l'arête de retenue (17), sont légèrement inclinées de sorte que sous l'effet d'une pression exercée verticalement sur des lames de plancher (1, 1A) assemblées une arête de retenue (16) et un rebord de retenue (17) viennent glisser naturellement l'un sur l'autre ayant pour conséquence de repousser la languette (8) d'une lame (1) dans la rainure (5) d'une lame (1A) adjacente.Floor plank according to claim 1, characterized in that the retaining flange (16), like the retaining edge (17), is slightly inclined so that under the effect of a pressure exerted vertically on floorboards (1, 1A) assembled a retaining edge (16) and a retaining flange (17) come to slide naturally one on the other having the consequence of pushing back the tongue (8) of a board (1 ) in the groove (5) of an adjacent blade (1A). Lame de plancher selon l'une quelconque des revendications précédentes, caractérisée par le fait qu'à l'embouchure de la rainure (5) et du côté interne par rapport à cette dernière, la lèvre supérieure (6) est chanfreinée.Floor plank according to any one of the preceding claims, characterized in that at the mouth of the groove (5) and on the internal side with respect to the latter, the upper lip (6) is chamfered. Outil d'assemblage de lames de plancher selon l'une quelconque des revendications 1 à 3, caractérisé par le fait qu'il comporte : une languette (21) ajustée à la forme de la rainure (5) d'une lame (1, 1A) et s'étendant, horizontalement, depuis un chant vertical (25) d'un bloc support (26), à une hauteur (27) par rapport à la base (28) de ce dernier correspondant sensiblement à la distance (29) séparant le plan médian de la rainure (5) d'une telle lame (1) par rapport à la face inférieure (30) de cette dernière ; une surface de frappe (32) située, au niveau du bloc support (26), sur le côté opposé (31) de ladite languette (21) et conçue pour, sous l'impact d'un outil de frappe (33), transmettre audit bloc support (26) un effort à composantes horizontale et verticale ; de manière parallèle et au-dessus de la languette (21), un bandeau de recouvrement (24) prévu apte à s'étendre au-dessus de la lame (1) dans la rainure (5) de laquelle est engagée la languette (21). Tool for assembling floorboards according to any one of Claims 1 to 3, characterized in that it comprises: a tongue (21) adjusted to the shape of the groove (5) of a blade (1, 1A) and extending, horizontally, from a vertical edge (25) of a support block (26), at a height (27) relative to the base (28) of the latter corresponding substantially to the distance (29) separating the median plane of the groove (5) of such a blade (1) relative to the underside (30) of the latter; a striking surface (32) located, at the level of the support block (26), on the opposite side (31) of said tongue (21) and designed to, under the impact of a striking tool (33), transmit said support block (26) a force with horizontal and vertical components; in parallel and above the tongue (21), a covering strip (24) provided capable of extending above the blade (1) in the groove (5) of which the tongue (21) is engaged ).
    EP02360227A 2001-08-01 2002-07-31 Parquet-type flooring strip and tool for joining such strips Expired - Lifetime EP1281823B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0110316 2001-08-01
    FR0110316A FR2828221B1 (en) 2001-08-01 2001-08-01 PARQUET FLOOR BLADES

    Publications (2)

    Publication Number Publication Date
    EP1281823A1 true EP1281823A1 (en) 2003-02-05
    EP1281823B1 EP1281823B1 (en) 2008-09-10

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP02360227A Expired - Lifetime EP1281823B1 (en) 2001-08-01 2002-07-31 Parquet-type flooring strip and tool for joining such strips

    Country Status (4)

    Country Link
    EP (1) EP1281823B1 (en)
    AT (1) ATE408046T1 (en)
    DE (1) DE60228796D1 (en)
    FR (1) FR2828221B1 (en)

    Cited By (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1987212A1 (en) * 2006-02-03 2008-11-05 Pergo(Europe) AB A joint guard for panels
    DE102006030852B4 (en) * 2006-05-17 2017-09-07 Hamberger Industriewerke Gmbh floor panel
    JP6288334B1 (en) * 2016-10-31 2018-03-07 セメダイン株式会社 Floor material bonding method
    CN112709412A (en) * 2020-12-24 2021-04-27 华睿企业管理咨询(衢州)有限公司 Wood-Plastic production is with concatenation former
    US11203878B2 (en) * 2017-02-14 2021-12-21 Six 18, Llc. Floor installation tools and methods of use

    Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP0911464A2 (en) * 1997-10-24 1999-04-28 Roland Huber Tool for assembling profiled boards
    US6006486A (en) * 1996-06-11 1999-12-28 Unilin Beheer Bv, Besloten Vennootschap Floor panel with edge connectors
    DE20018285U1 (en) * 2000-03-07 2001-07-05 E F P Floor Products Fusboeden Mechanical joining of panels

    Patent Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US6006486A (en) * 1996-06-11 1999-12-28 Unilin Beheer Bv, Besloten Vennootschap Floor panel with edge connectors
    EP0911464A2 (en) * 1997-10-24 1999-04-28 Roland Huber Tool for assembling profiled boards
    DE20018285U1 (en) * 2000-03-07 2001-07-05 E F P Floor Products Fusboeden Mechanical joining of panels

    Cited By (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1987212A1 (en) * 2006-02-03 2008-11-05 Pergo(Europe) AB A joint guard for panels
    EP3683381A1 (en) * 2006-02-03 2020-07-22 Pergo (Europe) AB A joint guard for panels
    DE102006030852B4 (en) * 2006-05-17 2017-09-07 Hamberger Industriewerke Gmbh floor panel
    JP6288334B1 (en) * 2016-10-31 2018-03-07 セメダイン株式会社 Floor material bonding method
    US11203878B2 (en) * 2017-02-14 2021-12-21 Six 18, Llc. Floor installation tools and methods of use
    CN112709412A (en) * 2020-12-24 2021-04-27 华睿企业管理咨询(衢州)有限公司 Wood-Plastic production is with concatenation former

    Also Published As

    Publication number Publication date
    FR2828221B1 (en) 2004-06-25
    FR2828221A1 (en) 2003-02-07
    ATE408046T1 (en) 2008-09-15
    DE60228796D1 (en) 2008-10-23
    EP1281823B1 (en) 2008-09-10

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