EP1350904B2 - Fussbodendielen - Google Patents

Fussbodendielen Download PDF

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Publication number
EP1350904B2
EP1350904B2 EP03008103A EP03008103A EP1350904B2 EP 1350904 B2 EP1350904 B2 EP 1350904B2 EP 03008103 A EP03008103 A EP 03008103A EP 03008103 A EP03008103 A EP 03008103A EP 1350904 B2 EP1350904 B2 EP 1350904B2
Authority
EP
European Patent Office
Prior art keywords
tongue
groove
profile
spring
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
Application number
EP03008103A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1350904A2 (de
EP1350904B1 (de
EP1350904A3 (de
Inventor
Heinz Kiefel
Franz Schrattenecker
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.)
TILO GmbH
Original Assignee
TILO GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by TILO GmbH filed Critical TILO GmbH
Publication of EP1350904A2 publication Critical patent/EP1350904A2/de
Publication of EP1350904A3 publication Critical patent/EP1350904A3/de
Publication of EP1350904B1 publication Critical patent/EP1350904B1/de
Application granted granted Critical
Publication of EP1350904B2 publication Critical patent/EP1350904B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—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
    • 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
    • E04F2201/0146—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane 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
    • E04F2201/04—Other details of tongues or grooves
    • E04F2201/041—Tongues or grooves with slits or cuts for expansion or flexibility

Definitions

  • the invention relates to floorboards. As floorboards below any floor covering is considered, in which at least two identically constructed elements are engaged with each other.
  • floorboards examples include prefinished parquet with a wear layer that is designed in the manner of a ship's bed parquet or like a plank.
  • the floorboards also include three-layer planks, which are made up of three approximately equally strong layers, preferably of solid wood or veneer.
  • Floorboards that are claimed in the invention are often constructed of three layers. Examples include prefinished parquet with a thin wear layer of veneer or solid wood, a central layer of glued or glued bars and a Gegenzuglage of inferior veneer or solid wood.
  • the layers are offset with the main fiber direction approximately 90 ° to each other in order to achieve maximum dimensional stability.
  • Layered boards are usually constructed of three approximately equally strong and qualitatively approximately equivalent layers of solid wood or veneer. For individual products veneers or floor racks can also be replaced by wood-based material layers or boards.
  • WO 00/47841 proposed to provide floor panels on all sides with a profile in which a perpendicular to the plate plane to be closed connection is proposed, which provides groove, spring and locking elements.
  • the locking elements should have a horizontal contact surface and prevent displacement of the floor panels perpendicular to the plane of the plate.
  • the locking elements should be elastic.
  • a disadvantage of this solution is that either separate components must be inserted or glued, which represent parts of the locking elements and must be positioned very precisely for exact locking. This is laborious.
  • Another disadvantage is that the locking elements can be easily damaged when joining, if they are based on the in the WO 00/47841 proposed manner have horizontal contact surfaces.
  • These elements which are usually designed as latching lugs and corresponding recesses, act together in each case and fix the floor elements to be connected against each other in a predetermined position. In general, they prevent perpendicular to be closed profiles shifting vertically to the floor of the floor element or, the surface of the floor element.
  • the corresponding locking elements therefore have a common investment line or surface. Unlike in horizontal, so parallel to the top of the floor element extending contact surfaces even a simply inclined contact surfaces enough to ensure a secure locking. At the same time allows one sloping contact surface a simpler and more gentle for the locking elements joining the profile and thus the floor elements.
  • the elastic deformability of spring or tongue and groove, so the deflection of spring or tongue and groove when joining the profile or second floor elements also contribute to the protection of the locking elements and of tongue and groove.
  • the deflection of the spring or tongue and groove protects the corresponding locking elements when they are engaged in the assembly of the floorboards with each other.
  • the floor elements or planks to be joined are set particularly effective in their horizontal position to each other when groove and tongue are formed as a cone. This positive connection of the profile fixes the two floorboards in a simple and safe way.
  • the taper of tongue and groove can be maintained, even if corresponding locking elements or special embodiments of tongue and groove are provided. It is sufficient if tongue and groove are at least partially designed for conical engagement.
  • the spring of the profile is designed so that it is deflected during assembly of the profile, and then return to the starting position after the successful engagement of tongue and groove.
  • This elasticity can be produced by the required free space, which is required for the engagement of a lip of the groove, worked so deep that the remaining connecting web to the profile or, to the floor element allows a deflection of the spring.
  • This embodiment proves to be advantageous because on the one hand there is no deflection on the underside of the profile, so that it is unnecessary to take measures that allow such a deflection in the direction of the base of the floorboards. On the other hand, this embodiment causes the formation of undesirable joints between the end faces of second floor elements is avoided.
  • the spring of the profile is formed in two parts.
  • a first spring part is elastic, a second spring part is rigid.
  • a first part of a corresponding locking means is arranged.
  • the elastic first spring part can be designed so that a deformation and deflection during assembly of the profile is made possible.
  • a free space is created between the first and second spring parts, which allows a deflection of the first spring part onto the second spring part.
  • This embodiment is to be produced by means of conventional tools and methods, for. B. to milling.
  • the space runs obliquely according to the invention-based on the top of a floor element.
  • the exact design of the free space can be chosen in coordination with the material used for the profile and the profile itself.
  • An embodiment of the inventive profile with which a joint-free joining of the end faces of floor elements can be ensured in a simple manner, is designed so that the spring has a first part of a corresponding locking element that can be engaged with a second part of the corresponding locking element. This second part of the corresponding locking element is attached to a short, free lip of the groove and faces the spring.
  • the profile according to the invention requires a certain elasticity of the material. Brittle material such. As high density fiberboard or materials with low bending strength such. As chipboard, are not well suited for the production of the above-described profile. It is therefore preferred if plastic, solid wood or plywood are used for the production of the profile. These materials, with good machinability with known tools on a sufficient elasticity to ensure the reliable functioning of the profile.
  • the profile according to the invention can, depending on requirements, either be prefabricated as a separate component, in order then to be attached to end faces of floor elements, for example by gluing in a groove in the front page. Is the material of the floor element, z. B. in the case of a solid wood floorboard, then the profile according to the invention can be machined out of the material of the floor element integrally.
  • FIGS. 1 . 2 . 3 . 5 and 6 illustrate exemplary, facilitating the understanding of the invention embodiments, which are not covered by the invention.
  • Fig. 1a shows a groove-shaped end face 2 of a floorboard 1 and a spring-shaped end face 4 of a floorboard.
  • a floorboard 1 each have a first groove-shaped end face 2 and a second spring-shaped end face 4.
  • the floorboard is constructed in three layers.
  • the dashed lines in the figures indicate the three layers of the floorboard. It has a wear layer on the upper side 6.
  • the underside 8 of the floorboard can be made of any material.
  • the groove-shaped end face 2 has a groove 10 with a long lip 12 and a short lip 14.
  • the lips 12, 14 of the groove 10 are interconnected by the base 16.
  • the groove 10 is worked out from the top 6 of the floorboard 1 forth, usually milled.
  • the federformige end face has a spring 18 which is delimited by a free space 20 of the end face 22 of the floorboard 1.
  • the spring 18 is worked out from the bottom 8 of the floorboard 1 forth, usually milled.
  • Fig. 1c shows the groove-shaped end face 2 and the spring-shaped end face 4 of the floorboards 1 with each other in engagement.
  • the free space 20 facing surface 28 of the spring 18 abuts against the long lip 12 facing surface 30 of the short lip 14.
  • the free end 26 of the spring 18 is the base 16 of the groove 10 facing, but is not necessarily on the base 16 at.
  • the free end 32 of the short lip 14 faces the base surface 34 of the free space 20, but is not necessarily adjacent to the base surface 34.
  • a pressure surface 36 is formed.
  • a pressure force is exerted on the contact surface 38, which is formed by the fact that the groove-shaped and the spring-shaped end face 2, 4 of the floorboard 1 abut against each other at the top 6.
  • Both the pressure surface 36 and the contact surface 38 may be formed point or line.
  • the surfaces 36, 38 but also actually formed flat.
  • the free end 26 of the spring 18 is narrower than the base 16 of the groove 10. Further, for easier assembly of the end faces 2, 4, the free end 26 of the spring 18, the free end 32 of the short lip 14 of the groove 10 and the base 34 of the free space 20 at the transition to adjacent surfaces each formed with rounded or chipped or bevelled edges. Correspondingly, the end face 22 of the free space 20 and the end face 40 of the short lip 14 of the groove 10 are spaced apart from each other after assembly.
  • the free surface 24 of the spring 18 is designed in such a way that it protrudes further in a first section 42 in the region of the top 6 of the floorboard 1 as in a second section 44 in the region of the central layer 46th Accordingly, the outer surface of the long lip 12 of the groove-shaped end face 4 in the region of the top 6 of the floorboard 1 has a first portion 48 which is further excluded than the base 16 of the groove 10. At this first section 48 closes to Base 16 of the groove 10, a second portion 50 which extends approximately at right angles to the base 16 of the groove 10.
  • Fig. 1c shows that the sections 42, 44 and 48, 50 are worked out corresponding to each other. The joining of the two end faces 2, 4 is thereby greatly facilitated.
  • Fig. 1c further clarifies that the contact surface 38 is well defined better. Since the contact surface 38 substantially determines the visual appearance and the qualitative impression of the laid floorboards, the profiles, which are extremely easy to produce, make the desired high-quality, because they are jointless, associated with wooden floors by the customers Impression conveys.
  • Fig. 1a shows an embodiment of the profiled floorboards, in which by the design of the spring 18, the application of the compressive force on the abutment surface 38 and preventing the displacement of the end faces 2, 4 in the vertical direction by a two-part spring 18a, 18b is effected.
  • a first free space 20a is worked out, to which a first spring 18a adjoins.
  • the spring 18a has a surface 28 directed towards the free space 20, which, after joining the floorboards 1, engages with the surface 30 of the short lip 14 directed towards the long lip 12.
  • the first spring 18a is formed so that it is hardly deflected when joining the groove-shaped end face 2 and the spring-shaped end face 4.
  • a free space 20 b adjoins the spring 18 a, which is bounded towards the free end 52 by a second spring 18 b.
  • the free space 20b projects closer to the upper side 6 of the floorboard 1 than the free space 20a.
  • the spring 18b is deflectable relative to the spring 18a when joining the end faces 2, 4 (see Fig. 1b ).
  • the spring 18b is designed with a straight surface 54.
  • the spring 18b is provided with a latching nose 56 at its free end 26b.
  • the groove 10 is provided in the region of the long lip 12 with a latch 58, under which the detent 56 of the spring 18b engages after assembly of the floorboards 1.
  • a latch 58 under which the detent 56 of the spring 18b engages after assembly of the floorboards 1.
  • the free space 20 b is dimensioned so that the spring 18 b can be deflected during assembly by the latch 58.
  • the joint-tight assembly of the groove-shaped 2 and spring-shaped 4 end faces is -as in the previously described embodiments of Fig. 1-3 - By the spring 18 a and the short lip 14 through which the pressure surface 36 is formed, guaranteed.
  • the in the Fig. 2a to 2c illustrated embodiment is particularly advantageous for floorboards that are to be repeatedly assembled and disassembled, for example, temporarily installed floors in exhibition or exhibition halls. It is an embodiment based on the in Fig. 1a to 1c variant has been developed.
  • the groove-shaped end face 2 has a groove 10, the groove base 16 is relatively flat, so that a stronger layer of material on the bottom 8 of the floorboard 1 remains. Accordingly, the short lip 14 of the groove 10 with respect to the groove bottom 16 is less high than in the Fig. 1a to 1c shown embodiment.
  • the short lip 14 of the groove 10 protrudes, based on the thickness of the floorboard 1, preferably not in the upper half of the floorboard 1 into it.
  • the long lip 12 is provided with a latch 58 which, after the joining of the corresponding ends of the floorboards, is engaged by a latching lug 56 of the spring 18b.
  • the springs 18 a and 18 b are formed corresponding to the dimensions of the groove 10.
  • the clearance 20a is made less deep with respect to the reduced in height short lip 14. This benefits the stability of the floorboard.
  • the space 20 b is still deeply cut to allow a deflection of the spring 18 b when assembling the floorboards (see FIG. Fig. 5b ).
  • Fig. 2c shows the floorboards after assembly.
  • Pressure surface 36 and contact surface 38 are joined together in the manner of a cone.
  • Latch 56 and latch 58 are located on the second bearing surface 60 to each other.
  • a free space 62 is provided below the second bearing surface 60.
  • the spring 18b is dimensioned correspondingly short. This facilitates on the one hand, the joining and releasing the floorboards 1 from each other. On the other hand, an unnecessary and unwanted clamping or friction by dust or grinding or milling residues in the groove 10 is avoided.
  • the spring 18a is likewise supported on the groove base 16 only with a relatively small bearing surface 64.
  • the support surface 64 is - and this applies to all profiles described above - only sized so large that an alignment of the floorboards is guaranteed in terms of height. Otherwise, a free space below the spring 18a is provided to the groove bottom.
  • the spring 18a is rigid. Unlike the resilient spring 18b, the rigid spring 18a has a widened free end 26a relative to the width of the base near the top 6 of the floor element 4. This favors the effect of the cone, which is formed by the assignment of pressure surface 36 and contact surface 38, and prevents horizontal sliding apart of the floor elements 2.4 relative to the plane of the top 6.
  • Fig. 5 ac shows a the understanding of the invention facilitating, but not falling under the invention profile in which the corresponding locking elements are not - as usual - on the free surface 24 of the spring or the long lip 12 of the groove are arranged. Instead, a projection on the surface 20 facing the free space 20 is formed on the spring 18. A corresponding recess is formed on the short, free lip 14 of the groove, above the pressure surface 36. Projection and recess come after joining (see. Fig. 5c ) along the - with respect to the top of the floor element 4 oblique contact surface 60 for engagement.
  • This embodiment offers the advantage that a virtually joint-free installation of the end faces of two engaging floor elements is ensured.
  • the length of the boards to be produced is known.
  • a high-quality material is inserted instead of the material not suitable for producing the profiles, which makes it possible to work out the profile.
  • This material may be wood, plastic or metal or other suitable material for producing the profile and for absorbing the forces arising.
  • For an inventive profiling of the front sides of the floorboards is possible.
  • a recess can be created, which is inserted the above-described, suitable for the production of the profiles material and connected to the floorboard. Also in this way a profilierbare front side of the floorboard is made.
  • the compound proposed by the invention has a contact surface between the groove-shaped end face and the spring-shaped end face of the floorboard in the area of the wear layer and a pressure point which is arranged in the region between the base of the groove and the short lip of the groove which is arranged on the end face of the floorboard and the spring is on the other hand.
  • the pressure point which is formed between the spring and short lip of the groove, when two corresponding end faces of the floorboards are engaged with each other, it is ensured that the contact surface between the groove-shaped and the spring-shaped end side of the two floorboards is under compressive load, so that a Joint formation or detachment of the two floorboards is excluded.
  • the spring engages after assembly as a cone clamped in the groove and thus causes a fixation of the floorboards to each other. This type of cone clamping is simple and effective.
  • the end face of the spring which faces the groove-shaped end face, provided with a step.
  • the furthest protrudes from the contact surface, which is arranged on the long lip of the groove in the area of the effective area.
  • Below the contact surface, towards the free end of the spring, the end face of the spring is narrower, so that a recessed step is formed.
  • the spring-facing surface of the long lip of the groove is formed correspondingly.
  • Below the contact surface a projection is formed whose dimensions correspond approximately to the dimensions of the recessed step of the spring.
  • the contact surface is designed to be particularly wide, so that the requirement to ensure a frontally gap-free connection of the floorboards to each other, is certainly met.

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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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Centrifugal Separators (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
EP03008103A 2002-04-05 2003-04-07 Fussbodendielen Expired - Lifetime EP1350904B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10215139 2002-04-05
DE10215139 2002-04-05

Publications (4)

Publication Number Publication Date
EP1350904A2 EP1350904A2 (de) 2003-10-08
EP1350904A3 EP1350904A3 (de) 2003-12-17
EP1350904B1 EP1350904B1 (de) 2009-06-17
EP1350904B2 true EP1350904B2 (de) 2012-10-24

Family

ID=27816170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03008103A Expired - Lifetime EP1350904B2 (de) 2002-04-05 2003-04-07 Fussbodendielen

Country Status (4)

Country Link
EP (1) EP1350904B2 (es)
AT (1) ATE434095T1 (es)
DE (1) DE50311595D1 (es)
ES (1) ES2327502T5 (es)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014101950U1 (de) 2013-05-20 2014-05-08 Radovan Vojtasik Zusammengebauter Fußboden
US8806832B2 (en) 2011-03-18 2014-08-19 Inotec Global Limited Vertical joint system and associated surface covering system
US9938727B2 (en) * 2014-08-25 2018-04-10 Gerflor Floor panel for producing a covering

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DE50311595D1 (de) 2009-07-30
ATE434095T1 (de) 2009-07-15
EP1350904B1 (de) 2009-06-17
ES2327502T3 (es) 2009-10-30
ES2327502T5 (es) 2013-03-14
EP1350904A3 (de) 2003-12-17

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