EP1434922B1 - A process for sealing of a joint between surface elements by use of a glue activated by applying of a liquid - Google Patents
A process for sealing of a joint between surface elements by use of a glue activated by applying of a liquid Download PDFInfo
- Publication number
- EP1434922B1 EP1434922B1 EP02800808A EP02800808A EP1434922B1 EP 1434922 B1 EP1434922 B1 EP 1434922B1 EP 02800808 A EP02800808 A EP 02800808A EP 02800808 A EP02800808 A EP 02800808A EP 1434922 B1 EP1434922 B1 EP 1434922B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- edge
- floor boards
- joining
- edges
- floor
- 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.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/04—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
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- 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
- E04F2201/0115—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 with snap action of the edge connectors
-
- 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
- E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
-
- 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
- E04F2201/0153—Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/04—Other details of tongues or grooves
- E04F2201/042—Other details of tongues or grooves with grooves positioned on the rear-side of the panel
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
- E04F2201/0517—U- or C-shaped brackets and clamps
Definitions
- the present invention relates to sealing of a joint comprising mechanical locking. It in particular relates to a process for installation of floor boards as defined in the preamble of claim 1. Such a process is known e.g. from DE-U-297 03 962 .
- Prefabricated floor boards which at their edges are provided with groove and tenon are well known nowadays. As these are very easy to install it is possible for the normal handy man to achieve this.
- Such elements can be constituted of massive wood, fibre board or particle board. These are often provided with a surface layer, such as lacquer or some sort of laminate. The boards are most often installed by gluing them together via their groove and tenon. It is desired to join the separate elements so closely that the joint becomes practically invisible, which increases the moisture resistance radically.
- DE 297 03 962 U1 which represents the nearest prior art and corresponds to the preamble of claim 1, refers to a moisture-proof joint between floor elements.
- the edges of the floor elements are provided with joining means for mechanically locking the floor boards together. Portions of the edges are further provided with a glue in a passive dry form.
- the glue is activated by applying pressure or heat.
- Liquid activated adhesive materials are as such known for use in building applications ( US-A-4082890 , US-A-5 966 889 ). It has, through the present invention, been made possible to solve the above mentioned problems so that self sealing floor boards can be achieved.
- the invention relates to a process for installation of floor boards.
- the floor boards comprising a core, a decorative upper surface and edges provided with joining means for mechanically locking the floor boards together.
- the invention is characterised in that glue is present in a passive dry form and is capable of being activated by applying a liquid on the installed floor boards (1), whereby the liquid will penetrate into the joints thereby moisturising and activating the glue so that the glue expands and merges over the edges of the joint thereby acting as a sealant against further penetration of liquid.
- the glue is suitably a PVA glue.
- the glue is suitably applied on the edges as an emulsion which then is allowed to dry before the joining of the floor boards.
- the liquid used for reactivating the glue is suitably water.
- the water is advantageously mixed with alcohol since this reduces the surface tension of the liquid as well as the evaporation rate increases.
- a thin coat of the liquid is suitably applied on the installed floor boards wherein small amounts of the liquid will pentetrate into the joints thereby moisturising and activating the glue.
- the glue will hereby expand and merge over the edges of the joint and will act as sealant against further penetration of liquid.
- the joining means comprises lower joining lips at two adjacent edges while the two remaining edges are provided with upper joining lips.
- the lower joining lips are provided with intrinsically vertical lower lip surfaces arranged parallel to the closest edge.
- the lower lip surfaces are adapted to interact with mainly vertical upper lip surfaces arranged on the upper joining lips so that two joined adjacent floor boards are locked together in a horizontal direction.
- the joining lips are furthermore are provided with at least one heel adapted to snap join with recesses which, by being provided with intrinsically horizontal locking surfaces, limits vertical movement between two joined adjacent floor boards.
- the floor boards are hereby assembled by being pressed downwards once the edges are vertically aligned.
- the floor boards comprises a combination of at least two different types of floor boards, which types comprises female floor boards and male floor boards, whereby:
- the female joining member comprises an upwards protruding lip, being parallel to the edge, with a guiding surface.
- the guiding surface faces the edge.
- the female Joining member also comprises a locking groove, being parallel to the edge.
- the locking has a locking surface facing downwards, which locking surface terminates in a locking edge.
- An angle ⁇ I between the guiding surface and vertical plane is in the range 0-30° while an angle all between the locking surface and a horizontal plane also is in the range 0-30° as seen in a perpendicular cross-section.
- the male joining member comprises a groove, being parallel to the edge, on the lower side with a guiding face.
- the guiding face faces away from the edge.
- the male joining member is also provided with a locking heel, being parallel to the edge.
- the locking heel has a locking face facing upwards.
- An angle ⁇ I between the guiding face and a vertical plane is in the range 0-30° while an angle ⁇ II between the locking face and a horizontal plane is also in the range 0-30° as seen in a perpendicular cross-section.
- the possible joining profile comprises two upwards protruding rims, being parallel to each other and distanced from each other by a centre section.
- the two upwards protruding rims are provided with guiding areas, the guiding areas facing inwards.
- the joining profile is furthermore provided with two locking cheeks placed on an extension.
- the locking cheeks has locking areas facing downwards, which locking areas terminates in a locking edge.
- An angle ⁇ I between the guiding area and a vertical plane is in the range 0-30° while an angle ⁇ II between the locking area and a horizontal plane is in the range 0-30° as seen in a perpendicular cross-section.
- the angles ⁇ I and ⁇ I are mainly the same, the angles ⁇ II and ⁇ II are mainly the same and the angles ⁇ I and ⁇ II are mainly the ame.
- the floor boards are joined by means of joining members.
- the edges are separated into a first and a second edge, which first and second edges are arranged on opposite sides, and a third and a fourth edge being adjacent to the first and the second edge and which third and fourth edges are arranged on sides opposite to one another.
- the floor boards are provided with male joining members on the first edge while the second edge of the floor boards are provided with a female joining member.
- the male joining member is provided with a tongue and a lower side groove, while the female joining member is provided with a groove and a cheek, the cheek being provided with a lip.
- the floor boards are joined together via the male and female joining members by tilting the floor board to be joined with an already installed floor board or a row of already installed floor elements, with the male joining member of the floor board angled downwards.
- the first edge is positioned mainly parallel to the second edge of the already installed floor board or row of floor boards.
- the tongue of the tilted floor board is then inserted into the groove of the female joining member of the already installed floor board or row of floor elements, whereby the tilted floor board is turned downwards, with its lower edge as a pivot axis, so that the lip eventually snaps into the lower side groove where the decorative upper layer of the floor boards are mainly parallel.
- the third and fourth edges of the floor boards are joined by means of joining members selected from the group consisting of ;
- Figure 1 shows parts of a floor board 1.
- the floor boards 1 are provided with edges 2, a horizontal lower side 5, and a horizontal upper decorative surface 3.
- the floor boards 1 are at two adjacent edges 2 provided with lower joining lips 10 (only one shown) while the two remaining edges 2 are provided with upper joining lips 20 (only one shown).
- the lower joining lips 10 are provided with mainly vertical lower lip surfaces 11 arranged parallel to the closest edge 2.
- the lower lip surfaces 11 are intended to interact with mainly vertical upper lip surfaces 21 arranged on the upper joining lips 20 so that two joined adjacent floor boards 1 are locked together in a vertical direction.
- the joining lips 10 and 20 respectively are furthermore provided with each one heel 31 with a matching recess 32.
- a vertical movement between two joined adjacent floor boards 1 is limited since the recess 32 and heel 31 respectively are provided with essentially horizontal locking surfaces.
- the joining surfaces are also provided with fitting surfaces 3 I in order to avoid unintended gaps in the joint.
- the geometry of the joining edges are only shown schematically and may, of course, be changed in many ways within the scope of the invention.
- Figure 2a shows, in cross-section, a first and a second edge 2 I and 2 II respectively, during assembly.
- the figure shows parts of floor boards 1 with a mainly rectangular shape.
- the floor boards 1 are provided with edges 2, a lower side 5 and an upper decorative layer 3.
- the floor boards 1 are intended to be joined by means of joining members 200.
- the floor boards 1 are provided with male joining members 220 on a first edge 2 I while a second edge 2 II of the floor elements 1 are provided with a female joining member 210.
- the second edge 2 II is arranged on a side opposite to the first edge 2 I .
- the male joining member 220 is provided with a tongue 110 and a lower side 5 groove 12.
- the female joining member 210 is provided with a groove 13 and a cheek 14, the cheek 14 being provided with a lip 15.
- the floor boards 1 are intended to mainly be joined together by tilting the floor boards 1 to be joined with an already installed floor boards 1 or a row of already installed floor boards 1, with the male joining member 220 of the floor boards 1 angled downwards and that the first edge 2'is allowed to be mainly parallel to the second edge 2"of the already installed floor board 1 or elements 1.
- the tongue 110 of the tilted floor board 1 is then inserted into the groove 13 of the female joining member 210 of the already installed floor board 1 or elements 1, whereby the tilted floor board 1 is turned downwards, with its lower edge 2 as a pivot axis, so that the lip 15 eventually falls into the lower side 5 groove 12 where the decorative upper layer 3 of the floor boards 1 are mainly parallel.
- the lip 15 and lower side 5 groove 12 are further provided with a cam 16 and a cam groove 17 which provides a snap action locking during the turning motion.
- Figure 2b shows, in cross-section, a third and a fourth edge 2 III and 2 IV respectively, of a floor board 1 according to the invention.
- the floor boards 1 are provided with a male vertical assembly joining member 220 I on a third edge 2 III while a fourth edge 2 IV is provided with a female vertical assembly joining member 210 II .
- the fourth edge 2 IV is placed on a side opposite to the third edge 2 III .
- the male vertical assembly joining members 220 I are provided with mainly vertical lower cheek surfaces 21 arranged parallel to the closest edge 2.
- the lower cheek surfaces 21 I are intended to interact with mainly vertical upper cheek surfaces 22 II arranged on the female vertical assembly joining members 210 II so that two joined adjacent floor boards 1 are locked against each other in a horizontal direction.
- the male vertical assembly joining members 220 II are moreover provided with two snapping hooks 23 I while the female vertical assembly joining members 210 II are provided with matching under cuts 24 II , which by being provided with mainly horizontal locking surfaces limits the vertical movement between two joined adjacent floor boards 1.
- the joint between a third and a fourth edge 2 III and 2 IV respectively of two joined floor boards 1 further comprises contact surfaces which are constituted by the mainly horizontal locking surfaces of the under cut 23 I and hook 24", the mainly vertical upper cheek surfaces 22 II lower cheek surfaces 21 I as well as upper mating surfaces 25.
- the joint between two joined floor boards 1 also comprises cavities 60.
- Figure 3a, 3b, 3c and 3d show in exploded view and in cross-section an embodiment of joining members 210 and 220 respectivly to floor boards 1 according to the invention, before the assembly.
- the floor boards 1, which are assembled vertically, has a rectangular shape, as seen from above.
- the floor boards 1 are provided with edges 2 which are provided with joining members 200.
- the floor boards 1 are further provided with a lower side 5 and a decorative top surface 3.
- the floor boards 1 comprises a combination of at least two types of floor boards 1, which types comprises female floor boards 1 I and male floor boards 1 II .
- the female floor boards 1 I is provided with a female joining member 210 on at least half of the number of its edges 2 and a male joining member 220 on less than half of the number of its edges 2.
- the female joining member 210 comprises an upwards protruding lip 211, being parallel to the edge 2.
- the upwards protruding lip 211 is provided with a with a guiding surface 212, the guiding surface 212 facing the edge 2, and a locking groove 213, being parallel to the edge 2.
- the locking groove 213 has a locking surface 214 facing downwards, which locking surface 214 terminates in a locking edge 215.
- An angle ⁇ I between the guiding surface 212 and a vertical plane is 10°
- the angle ⁇ II between the locking surface 214 and a horizontal plane is 15° as seen in a perpendicular cross-section.
- the male floor boards 1 II is provided with a male joining member 220 on at least two thirds of the number of its edges 2 and a female joining member 210 on less than one third of the number of its edges 2.
- the male joining member 220 comprises a groove 221, with a guiding face 222, being parallel to the edge 2, on the lower side 5.
- the guiding face 222 is facing away from the edge 2.
- the male joining member 220 is also provided with a locking heel 223, being parallel to the edge 2.
- the locking heel 223 has a locking face 224 facing upwards.
- An angle ⁇ I between the guiding face 222 and vertical plane is 10°, while an angle ⁇ II between the locking face 224 and a horizontal plane is 15° as seen in a perpendicular cross-section.
- angles ⁇ I and ⁇ I are the same and the angles ⁇ II and ⁇ II are also the same.
- An optional joining profile 50 may possibly constitute a junction between two adjacent male joining members 220 of two adjacent floor boards 1.
- the section placed between the edges 2 and the grooves 221 has a thickness which is less than the maximum floor board thickness by a recess 6 on the lower side 5 of the floor boards 1.
- the thickness of the floor boards 1 is normally between 5 and 15 mm whereby a suitable depth of the recess 6 is 1-5 mm.
- the width of the locking face 224 is depending on aspects like the thickness of the floor board 1, the material used in the core, the dimensions of the part between the locking groove 213 and the lower side 5 and the angles ⁇ I and ⁇ I chosen.
- the width of the locking face 224 is typically less than 30% of the thickness of the floor board which normally is between 5 and 15 mm whereby the width is less than 4.5 mm for floors with 15 mm thickness and 2.1 mm for a common floor board with a thickness of 7 mm. It has, however shown to be fully sufficient with a width between 0.2 mm and 1 mm.
- FIG. 3e and 3f show, in cross-section, an embodiment of a joining profile 50 to a floor board 1 according to the invention.
- the joining profile 50 is intended to be used as a junction between two male joining members 220.
- the joining profile 50 comprises two upwards protruding rims 511, being parallel to each other and distanced from each other by a centre section 506.
- the two upwards protruding rims 511 are provided with guiding areas 512.
- the guiding areas 512 are facing inwards.
- the joining profile 50 is furthermore provided with two locking cheeks 513 placed on an extension 507.
- the locking cheeks 513 has locking areas 514 facing downwards, which locking areas 514 terminates in a locking edge 515.
- An angle ⁇ I between the guiding area 512 and the vertical plane is 10° and the angle ⁇ II between the locking area 514 and a horizontal plane is 15° as seen in a perpendicular cross-section.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
- Building Environments (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Finishing Walls (AREA)
Abstract
Description
- The present invention relates to sealing of a joint comprising mechanical locking. It in particular relates to a process for installation of floor boards as defined in the preamble of
claim 1. Such a process is known e.g. fromDE-U-297 03 962 . Prefabricated floor boards which at their edges are provided with groove and tenon are well known nowadays. As these are very easy to install it is possible for the normal handy man to achieve this. Such elements can be constituted of massive wood, fibre board or particle board. These are often provided with a surface layer, such as lacquer or some sort of laminate. The boards are most often installed by gluing them together via their groove and tenon. It is desired to join the separate elements so closely that the joint becomes practically invisible, which increases the moisture resistance radically. The usable life of the installed elements are hereby also increased. It is essential that glue is used I excessively In order to achieve a tight joint. Any gaps will lead to that moisture may penetrate the joint with subsequent swelling of the core material closest to the joint. The glue do also have to be used to an amount that it is spill out trough the joint on the decorative side of the floor boards. The superflous glue will of course have to be wiped off before beginning to set - One way of solving the problem is available on the market for some time now through different types of so-called click or snap-lock floor boards where no glue is to be used. The installation of such floor boards has become much swifter as no glue is required. The problems with these type of floor boards are that relativelly small spills of fluids like water may cause great damage on the installed floor boards as well as subwalls and especially subfloors as the fluid will run through the joints rather rapidly due to the capillary effect. It is, of course, possible to use glue on these snap-lock type of elements as well.
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DE 297 03 962 U1 , which represents the nearest prior art and corresponds to the preamble ofclaim 1, refers to a moisture-proof joint between floor elements. The edges of the floor elements are provided with joining means for mechanically locking the floor boards together. Portions of the edges are further provided with a glue in a passive dry form. The glue is activated by applying pressure or heat. Liquid activated adhesive materials are as such known for use in building applications (US-A-4082890 ,US-A-5 966 889 ). It has, through the present invention, been made possible to solve the above mentioned problems so that self sealing floor boards can be achieved. - Accordingly the invention relates to a process for installation of floor boards.
- The floor boards comprising a core, a decorative upper surface and edges provided with joining means for mechanically locking the floor boards together. The invention is characterised in that glue is present in a passive dry form and is capable of being activated by applying a liquid on the installed floor boards (1), whereby the liquid will penetrate into the joints thereby moisturising and activating the glue so that the glue expands and merges over the edges of the joint thereby acting as a sealant against further penetration of liquid. The glue is suitably a PVA glue. The glue is suitably applied on the edges as an emulsion which then is allowed to dry before the joining of the floor boards. The liquid used for reactivating the glue is suitably water. The water is advantageously mixed with alcohol since this reduces the surface tension of the liquid as well as the evaporation rate increases. A thin coat of the liquid is suitably applied on the installed floor boards wherein small amounts of the liquid will pentetrate into the joints thereby moisturising and activating the glue. The glue will hereby expand and merge over the edges of the joint and will act as sealant against further penetration of liquid.
- According to further preferable features of the invention the joining means comprises lower joining lips at two adjacent edges while the two remaining edges are provided with upper joining lips. The lower joining lips are provided with intrinsically vertical lower lip surfaces arranged parallel to the closest edge. The lower lip surfaces are adapted to interact with mainly vertical upper lip surfaces arranged on the upper joining lips so that two joined adjacent floor boards are locked together in a horizontal direction. The joining lips are furthermore are provided with at least one heel adapted to snap join with recesses which, by being provided with intrinsically horizontal locking surfaces, limits vertical movement between two joined adjacent floor boards. The floor boards are hereby assembled by being pressed downwards once the edges are vertically aligned.
- According to further preferable features of the invention the floor boards comprises a combination of at least two different types of floor boards, which types comprises female floor boards and male floor boards, whereby:
- a) The female floor board is provided with a female joining member on at least half of the number of its edges and a male joining member on less than half of the number of its edges.
- b) The male floor board is provided with a male joining member on at least two thirds of the number of its edges and a female joining member on less than one third of the number of its edges.
- c) An optional joining profile possibly constitutes a junction between two adjacent male joining members of two adjacent floor boards.
- The female joining member comprises an upwards protruding lip, being parallel to the edge, with a guiding surface. The guiding surface faces the edge. The female Joining member also comprises a locking groove, being parallel to the edge. The locking has a locking surface facing downwards, which locking surface terminates in a locking edge. An angle αI between the guiding surface and vertical plane is in the range 0-30° while an angle all between the locking surface and a horizontal plane also is in the range 0-30° as seen in a perpendicular cross-section.
- The male joining member comprises a groove, being parallel to the edge, on the lower side with a guiding face. The guiding face faces away from the edge. The male joining member is also provided with a locking heel, being parallel to the edge. The locking heel has a locking face facing upwards. An angle βI between the guiding face and a vertical plane is in the range 0-30° while an angle βII between the locking face and a horizontal plane is also in the range 0-30° as seen in a perpendicular cross-section.
- The possible joining profile comprises two upwards protruding rims, being parallel to each other and distanced from each other by a centre section. The two upwards protruding rims are provided with guiding areas, the guiding areas facing inwards. The joining profile is furthermore provided with two locking cheeks placed on an extension. The locking cheeks has locking areas facing downwards, which locking areas terminates in a locking edge. An angle ψI between the guiding area and a vertical plane is in the range 0-30° while an angle ψII between the locking area and a horizontal plane is in the range 0-30° as seen in a perpendicular cross-section. The angles αI and βI are mainly the same, the angles αII and βII are mainly the same and the angles ψI and ψII are mainly the ame.
- According to further preferable features of the invnetion the floor boards are joined by means of joining members. The edges are separated into a first and a second edge, which first and second edges are arranged on opposite sides, and a third and a fourth edge being adjacent to the first and the second edge and which third and fourth edges are arranged on sides opposite to one another. The floor boards are provided with male joining members on the first edge while the second edge of the floor boards are provided with a female joining member.
- The male joining member is provided with a tongue and a lower side groove, while the female joining member is provided with a groove and a cheek, the cheek being provided with a lip. The floor boards are joined together via the male and female joining members by tilting the floor board to be joined with an already installed floor board or a row of already installed floor elements, with the male joining member of the floor board angled downwards. The first edge is positioned mainly parallel to the second edge of the already installed floor board or row of floor boards. The tongue of the tilted floor board is then inserted into the groove of the female joining member of the already installed floor board or row of floor elements, whereby the tilted floor board is turned downwards, with its lower edge as a pivot axis, so that the lip eventually snaps into the lower side groove where the decorative upper layer of the floor boards are mainly parallel. The third and fourth edges of the floor boards are joined by means of joining members selected from the group consisting of ;
- a) The third edge of the floor boards are provided with a male vertical assembly joining member while the fourth edge is provided with a female vertical assembly joining member. The fourth edge is arranged on a side opposite to the third edge.
- b) The third edge of the floor boards are alternatively provided with a male vertical assembly joining member while the fourth edge also is provided with a male vertical assembly joining member. The fourth edge is arranged on a side opposite to the third edge. The adjacent male vertical assembly joining members are joined by means of a separate vertical assembly joining profile. Two adjacent edges of a floor board are at the same time, and in the same turning motion joined with a floor board adjacent to the first edge and a floor board adjacent to the third or fourth edge.
- Particular embodiments of the invention is described further in connection to enclosed drawings whereby;
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figure 1 shows a part of afloor board 1 according to a first embodiment of the invention. - f
igure 2a-b show a part of afloor board 1 according to a second embodiment of the invention. -
figure 3a-f show a part of afloor board 1 according to a third embodiment of the invention. -
Figure 1 shows parts of afloor board 1. Thefloor boards 1 are provided withedges 2, a horizontallower side 5, and a horizontal upperdecorative surface 3. Thefloor boards 1 are at twoadjacent edges 2 provided with lower joining lips 10 (only one shown) while the two remainingedges 2 are provided with upper joining lips 20 (only one shown). The lower joininglips 10 are provided with mainly vertical lower lip surfaces 11 arranged parallel to theclosest edge 2. The lower lip surfaces 11 are intended to interact with mainly vertical upper lip surfaces 21 arranged on the upper joininglips 20 so that two joinedadjacent floor boards 1 are locked together in a vertical direction. The joininglips heel 31 with amatching recess 32. A vertical movement between two joinedadjacent floor boards 1 is limited since therecess 32 andheel 31 respectively are provided with essentially horizontal locking surfaces. The joining surfaces are also provided withfitting surfaces 3I in order to avoid unintended gaps in the joint. The geometry of the joining edges are only shown schematically and may, of course, be changed in many ways within the scope of the invention. -
Figure 2a shows, in cross-section, a first and asecond edge floor boards 1 with a mainly rectangular shape. Thefloor boards 1 are provided withedges 2, alower side 5 and an upperdecorative layer 3. Thefloor boards 1 are intended to be joined by means of joiningmembers 200. Thefloor boards 1 are provided withmale joining members 220 on afirst edge 2I while asecond edge 2II of thefloor elements 1 are provided with afemale joining member 210. Thesecond edge 2II is arranged on a side opposite to thefirst edge 2I. Themale joining member 220 is provided with a tongue 110 and alower side 5groove 12. Thefemale joining member 210 is provided with agroove 13 and acheek 14, thecheek 14 being provided with alip 15. Thefloor boards 1 are intended to mainly be joined together by tilting thefloor boards 1 to be joined with an already installedfloor boards 1 or a row of already installedfloor boards 1, with themale joining member 220 of thefloor boards 1 angled downwards and that the first edge 2'is allowed to be mainly parallel to thesecond edge 2"of the already installedfloor board 1 orelements 1. The tongue 110 of the tiltedfloor board 1 is then inserted into thegroove 13 of the female joiningmember 210 of the already installedfloor board 1 orelements 1, whereby the tiltedfloor board 1 is turned downwards, with itslower edge 2 as a pivot axis, so that thelip 15 eventually falls into thelower side 5groove 12 where the decorativeupper layer 3 of thefloor boards 1 are mainly parallel. Thelip 15 andlower side 5groove 12 are further provided with a cam 16 and a cam groove 17 which provides a snap action locking during the turning motion. -
Figure 2b shows, in cross-section, a third and afourth edge floor board 1 according to the invention. Thefloor boards 1 are provided with a male verticalassembly joining member 220I on athird edge 2III while afourth edge 2IV is provided with a female verticalassembly joining member 210II. Thefourth edge 2IV is placed on a side opposite to thethird edge 2III. The male verticalassembly joining members 220I are provided with mainly vertical lower cheek surfaces 21 arranged parallel to theclosest edge 2. - The lower cheek surfaces 21I are intended to interact with mainly vertical upper cheek surfaces 22II arranged on the female vertical
assembly joining members 210II so that two joinedadjacent floor boards 1 are locked against each other in a horizontal direction. The male verticalassembly joining members 220II are moreover provided with two snappinghooks 23I while the female verticalassembly joining members 210II are provided with matching undercuts 24II, which by being provided with mainly horizontal locking surfaces limits the vertical movement between two joinedadjacent floor boards 1. - The joint between a third and a
fourth edge floor boards 1 further comprises contact surfaces which are constituted by the mainly horizontal locking surfaces of the under cut 23I andhook 24", the mainly vertical upper cheek surfaces 22II lower cheek surfaces 21I as well as upper mating surfaces 25. The joint between two joinedfloor boards 1 also comprisescavities 60. -
Figure 3a, 3b, 3c and 3d show in exploded view and in cross-section an embodiment of joiningmembers floor boards 1 according to the invention, before the assembly. Thefloor boards 1, which are assembled vertically, has a rectangular shape, as seen from above. Thefloor boards 1 are provided withedges 2 which are provided with joiningmembers 200. Thefloor boards 1 are further provided with alower side 5 and a decorativetop surface 3. Thefloor boards 1 comprises a combination of at least two types offloor boards 1, which types comprisesfemale floor boards 1I andmale floor boards 1II. - The
female floor boards 1I is provided with afemale joining member 210 on at least half of the number of itsedges 2 and amale joining member 220 on less than half of the number of itsedges 2. Thefemale joining member 210 comprises an upwards protrudinglip 211, being parallel to theedge 2. The upwards protrudinglip 211 is provided with a with a guidingsurface 212, the guidingsurface 212 facing theedge 2, and a lockinggroove 213, being parallel to theedge 2. The lockinggroove 213 has a lockingsurface 214 facing downwards, which lockingsurface 214 terminates in alocking edge 215. An angle αI between the guidingsurface 212 and a vertical plane is 10°, while the angle αII between the lockingsurface 214 and a horizontal plane is 15° as seen in a perpendicular cross-section. - The
male floor boards 1II is provided with amale joining member 220 on at least two thirds of the number of itsedges 2 and afemale joining member 210 on less than one third of the number of itsedges 2. - The
male joining member 220 comprises agroove 221, with a guidingface 222, being parallel to theedge 2, on thelower side 5. The guidingface 222 is facing away from theedge 2. Themale joining member 220 is also provided with a lockingheel 223, being parallel to theedge 2. The lockingheel 223 has a lockingface 224 facing upwards. An angle βI between the guidingface 222 and vertical plane is 10°, while an angle βII between the lockingface 224 and a horizontal plane is 15° as seen in a perpendicular cross-section. - Accordingly, the angles αI and αI are the same and the angles αII and βII are also the same.
- An optional joining profile 50 (see
figure 3e and 3f ) may possibly constitute a junction between two adjacentmale joining members 220 of twoadjacent floor boards 1. - The section placed between the
edges 2 and thegrooves 221 has a thickness which is less than the maximum floor board thickness by arecess 6 on thelower side 5 of thefloor boards 1. The thickness of thefloor boards 1 is normally between 5 and 15 mm whereby a suitable depth of therecess 6 is 1-5 mm. - The width of the locking
face 224 is depending on aspects like the thickness of thefloor board 1, the material used in the core, the dimensions of the part between the lockinggroove 213 and thelower side 5 and the angles αI and βI chosen. The width of the lockingface 224 is typically less than 30% of the thickness of the floor board which normally is between 5 and 15 mm whereby the width is less than 4.5 mm for floors with 15 mm thickness and 2.1 mm for a common floor board with a thickness of 7 mm. It has, however shown to be fully sufficient with a width between 0.2 mm and 1 mm. -
Figure 3e and 3f show, in cross-section, an embodiment of a joiningprofile 50 to afloor board 1 according to the invention. The joiningprofile 50 is intended to be used as a junction between two male joiningmembers 220. The joiningprofile 50 comprises twoupwards protruding rims 511, being parallel to each other and distanced from each other by acentre section 506. The two upwards protrudingrims 511 are provided with guidingareas 512. The guidingareas 512 are facing inwards. The joiningprofile 50 is furthermore provided with two lockingcheeks 513 placed on an extension 507. The lockingcheeks 513 has lockingareas 514 facing downwards, which lockingareas 514 terminates in alocking edge 515. An angle ψI between the guidingarea 512 and the vertical plane is 10° and the angle ψII between the lockingarea 514 and a horizontal plane is 15° as seen in a perpendicular cross-section. - Accordingly, the angles αI, βi (
fig. 3a-3d ) ψI and are the same and the angles αII, βII (fig. 3a-3d ) ψII are also the same. - The invention is not limited by the embodiments shown since these can varied in different ways within the scope of the invention as claimed below.
Claims (10)
- A process for installation of floor boards (1), the floor boards (1) comprising a core, a decorative upper surface (3) and edges (2) provided with joining means for mechanically locking the floor boards (1) together, whereby the floor boards (1) are joined to each other by use of the joining means wherein a unit of a plurality of installed floor boards (1) is formed, wherein predetermined portions of the edges (2) are provided with a glue which is present on the edges (2) of the floor boards (1), characterized in that at the glue is present in a passive dry from and is capable of being activated by subsequently applying a liquid on the installed floor boards (1), whereby the liquid will penetrate into the joints thereby moisturising and activating the glue so that the glue expands and merges over the edges of the joint thereby acting as a sealant against further penetration of liquid.
- A process according to claim 1 wherein the glue is a PVA glue.
- A process according to claim 2 wherein the glue is applied on the edges (2) as an emulsion which then is allowed to dry before the joining of the floor boards (1).
- A process according to claim 1 wherein the liquid is water.
- A process according to claim 1 wherein the liquid is a mixture of water and alcohol.
- A process according to any of the claims 1-5 wherein a thin coat of the liquid is applied on the upper surface (3) of the installed floor boards (1).
- A process according to any of the claims 1-5 wherein the joining means comprises lower joining lips (10) at two adjacent edges (2) while the two remaining edges (2) are provided with upper joining lips (20), whereas the lower joining lips (10) are provided with intrinsically vertical lower lip surfaces (11) arranged parallel to the closest edge (2), the lower lip surfaces (11) being adapted to interact with mainly vertical upper lip surfaces (21) arranged on the upper joining lips (20) so that two joined adjacent floor boards (1) are locked together in a horizontal direction and that the joining lips (10 and 20 respectively) furthermore are provided with at least one heel (31) adapted to snap join with recesses (32) which, by being provided with intrinsically horizontal locking surfaces, limits vertical movement between two joined adjacent floor boards (1), whereby floor boards (1) are assembled by being pressed downwards once the edges (2) are vertically aligned.
- A process according to any of the claims 1-5 wherein the floor boards (1) comprise a combination of at least two different types of floor boards (1), which types comprise female floor boards (1I) and male floor boards (1II), whereby,a) the female floor board (1I) is provided with a female joining member (210) on at least half of the number of its edges (2) and a male joining member (220) on less than half of the number of its edges (2) and that,b) the male floor board (1II) is provided with a male joining member (220) on at least two thirds of the number of its edges (2) and a female joining member (210) on less than one third of the number of its edges (2), and that,c) an optional joining profile (50) possibly constitutes a junction between two adjacent male joining members (220) of two adjacent floor boards (1).
- A process according to claim 8 wherein;a) the female joining member (210) comprises an upwards protruding lip (211), being parallel to the edge (2), with a guiding surface (212), the guiding surface (212) facing the edge (2) and a locking groove (213), being parallel to the edge (2), having a locking surface (214) facing downwards, which locking surface (214) terminates in a locking edge (2), that an angle al between the guiding surface (212) and vertical plane is in the range 0-30° and that an angle αII between the locking surface (214) and a horizontal plane is in the range 0-30° as seen in a perpendicular cross-section, and that,b) the male joining member (220) comprises a groove (221), being parallel to the edge (2), on the lower side with a guiding face (222), the guiding face (222) facing away from the edge (2) and a locking heel (223), being parallel to the edge (2), having a locking face (224) facing upwards, that an angle βI between the guiding face (222) and a vertical plane is in the range 0-30° and that an angle βII between the locking face (224) and a horizontal plane is in the range 0-30° as seen in a perpendicular cross-section and that,c) the possible joining profile (50) comprises two upwards protruding rims (511), being parallel to each other and distanced from each other by a centre section (506), the two upwards protruding rims (511) being provided with guiding areas (512), the guiding areas (512) facing inwards and that the joining profile (50) furthermore is provided with two locking cheeks (513) placed on an extension, the locking cheeks (513) having locking areas (514) facing downwards, which locking areas (514) terminates in a locking edge (515), that an angle ψI between the guiding area (512) and a vertical plane is in the range 0-30° and that an angle ψII between the locking area (514) and a horizontal plane is in the range 0-30° as seen in a perpendicular cross-section whereby, the angles αI and βI are mainly the same, the angles αII and βII are mainly the same and the angles ψI and ψII are also mainly the same.
- A process according to any of the claims 1-5 wherein the floor boards (1) are joined by means of joining members (200), the edges (2) being separated into a first and a second edge (2I and 2II respectively), which first and second edges (2I and 2II respectively) are arranged on opposite sides, and a third and a fourth edge (2III and 2IV respectively) being adjacent to the first and the second edge (2I and 2II respectively) and which third and fourth edges (2III and 2IV respectively) are arranged on sides opposite to one another, whereby the floor boards (1) are provided with male joining members (220) on the first edge (2I) while the second edge (2II) of the floor boards (1) are provided with a female joining member (210), that the male joining member (220) is provided with a tongue (110) and a lower side (5) groove (12), while the female joining member (210) is provided with a groove (13) and a cheek (14), the cheek (14) being provided with a lip (15), whereby the floor boards (1) are joined together via the male and female joining members (220 and 210 respectively) by tilting the floor board (1) to be joined with an already installed floor board (1) or a row of already installed floor elements (1), with the male joining member (220) of the floor board (1) angled downwards, that the first edge (2I) is positioned mainly parallel to the second edge (2") of the already installed floor board (1) or row of floor boards (1), whereupon the tongue (110) of the tilted floor board (1) is inserted into the groove (13) of the female joining member (210) of the already installed floor board (1) or row of floor elements (1), whereby the tilted floor board (1) is turned downwards, with its lower edge (2) as a pivot axis, so that the lip (15) eventually snaps into the lower side (5) groove (12) where the decorative upper layer (3) of the floor boards (1) are mainly parallel, and that the third and fourth edges (2III and 2IV respectively) of the floor boards (1) are joined by means of joining members (200) selected from the group consisting of;a) wherein the floor boards (1), on the third edge (2III), are provided with a male vertical assembly joining member (220I) while the fourth edge (2IV) is provided with a female vertical assembly joining member (210I), the fourth edge (2IV) being arranged on a side opposite to the third edge (2III), and,b) wherein the floor boards (1) on the third edge (2III), are provided with a male vertical assembly joining member (220I) while the fourth edge (2IV) also is provided with a male vertical assembly joining member (220I), the fourth edge (2IV) being arranged on a side opposite to the third edge (2III), which adjacent male vertical assembly joining members (220I) are joined by means of a separate vertical assembly joining profile (50), whereby two adjacent edges (2) of a floor board (1) at the same time, and in the same turning motion is joined with a floor board (1) adjacent to the first edge (2I) and a floor board (1) adjacent to the third or fourth edge (2III and 2IV respectively).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0103444A SE0103444L (en) | 2001-10-12 | 2001-10-12 | Procedure for sealing the joint |
SE0103444 | 2001-10-12 | ||
PCT/SE2002/001800 WO2003031750A1 (en) | 2001-10-12 | 2002-10-03 | A process for sealing of a joint between surface elements by use of a glue activated by applying of a liquid |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1434922A1 EP1434922A1 (en) | 2004-07-07 |
EP1434922B1 true EP1434922B1 (en) | 2010-12-08 |
Family
ID=20285666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02800808A Expired - Lifetime EP1434922B1 (en) | 2001-10-12 | 2002-10-03 | A process for sealing of a joint between surface elements by use of a glue activated by applying of a liquid |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1434922B1 (en) |
AT (1) | ATE491073T1 (en) |
CA (1) | CA2462967A1 (en) |
DE (1) | DE60238547D1 (en) |
RU (1) | RU2004114275A (en) |
SE (1) | SE0103444L (en) |
WO (1) | WO2003031750A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6922965B2 (en) | 2003-07-25 | 2005-08-02 | Ilinois Tool Works Inc. | Bonded interlocking flooring |
BE1017157A3 (en) | 2006-06-02 | 2008-03-04 | Flooring Ind Ltd | FLOOR COVERING, FLOOR ELEMENT AND METHOD FOR MANUFACTURING FLOOR ELEMENTS. |
US8806832B2 (en) | 2011-03-18 | 2014-08-19 | Inotec Global Limited | Vertical joint system and associated surface covering system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1464170A (en) * | 1974-11-27 | 1977-02-09 | Ici Ltd | Decorative sheet material |
DE3317591A1 (en) * | 1983-05-14 | 1984-11-15 | Wolff Walsrode Ag, 3030 Walsrode | WATER-ACTIVATED ADHESIVE COATINGS, ESPECIALLY ON WALLPAPERS |
DE29703962U1 (en) * | 1997-03-05 | 1997-04-24 | Witex AG, 32832 Augustdorf | Element for producing a floor or wall surface covering, in particular laminate panel |
US5966889A (en) * | 1997-07-07 | 1999-10-19 | Zinner; Shaul | After wet adhesion building block system |
SE522860C2 (en) * | 2000-03-10 | 2004-03-09 | Pergo Europ Ab | Vertically joined floor elements comprising a combination of different floor elements |
SE518184C2 (en) * | 2000-03-31 | 2002-09-03 | Perstorp Flooring Ab | Floor covering material comprising disc-shaped floor elements which are joined together by means of interconnecting means |
-
2001
- 2001-10-12 SE SE0103444A patent/SE0103444L/en unknown
-
2002
- 2002-10-03 RU RU2004114275/03A patent/RU2004114275A/en not_active Application Discontinuation
- 2002-10-03 EP EP02800808A patent/EP1434922B1/en not_active Expired - Lifetime
- 2002-10-03 AT AT02800808T patent/ATE491073T1/en not_active IP Right Cessation
- 2002-10-03 CA CA002462967A patent/CA2462967A1/en not_active Abandoned
- 2002-10-03 DE DE60238547T patent/DE60238547D1/en not_active Expired - Lifetime
- 2002-10-03 WO PCT/SE2002/001800 patent/WO2003031750A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA2462967A1 (en) | 2003-04-17 |
RU2004114275A (en) | 2005-10-27 |
DE60238547D1 (en) | 2011-01-20 |
SE0103444D0 (en) | 2001-10-12 |
SE0103444L (en) | 2003-04-13 |
WO2003031750A1 (en) | 2003-04-17 |
EP1434922A1 (en) | 2004-07-07 |
ATE491073T1 (en) | 2010-12-15 |
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AU2001234285A1 (en) | A flooring material comprising sheet-shaped floor elements which are joined by means of joining members | |
US20030141004A1 (en) | Process for sealing of a joint | |
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