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
  • E04F2201/0107—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
  • E04F2201/0153—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
  • E04F2201/02—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
• • 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
  • E04F2201/025—Non-undercut connections, e.g. tongue and groove connections with tongue and grooves alternating transversally in the direction of the thickness of the panel, e.g. multiple tongue and grooves oriented parallel to each other
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
  • E04F2201/00—Joining sheets or plates or panels
  • E04F2201/03—Undercut connections, e.g. using undercut tongues or grooves
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/19—Sheets or webs edge spliced or joined
  • Y10T428/192—Sheets or webs coplanar
  • Y10T428/195—Beveled, stepped, or skived in thickness

Definitions

• the invention relates to a panel element with a useful side, a counter-pull opposite the useful side, a first longitudinal side with a tongue, a second longitudinal side opposite the first longitudinal side with a groove constructed in a manner opposite the tongue, the tongue pointing the useful side in a first direction, which is parallel to the utility side and normal to the longitudinal direction of the spring, has a protruding first projection.
• Known panel elements of this type are used in particular in the case of floor elements, it being possible for special configurations of the spring to prevent translations normal to the longitudinal axis of the spring in the connected state of the panel elements.
• a disadvantage of these known panel elements is that high stress peaks are often caused in the spring when the panel element is loaded, which can lead to failure of the panel element.
• the object of the invention is therefore to provide a panel element of the type mentioned at the outset in which these known disadvantages are avoided, in which loads on the panel element can be absorbed by the spring as evenly as possible and which can be easily and quickly installed without adhesive or the like , According to the invention this is achieved in that the spring in the area of the
• Counter-pull (the side facing away from the utility side) has a second projection extending in the first direction, a first undercut being formed between the first projection and the second projection, and that at least a first region of the second projection from the spring-side edge of the utility side (the upper side that can be walked on in the installed state) has a smaller distance than a second area of the first undercut.
• first region of the second projection in the first direction can be further away from the panel element than the second region and the "first direction" can be parallel to the useful side and normal to the longitudinal direction of the spring.
• Projection forces can be normally transferred to the utility side, whereby the tension peaks of the tongue and the groove are kept low when the panel element according to the invention is loaded.
• the first undercut has a constriction in the area of its opening. The narrowing can improve the hold between tongue and groove.
• the spring has at least one extension and / or a second undercut in a second direction that is normal to the useful side.
• the extension and / or the second undercut ensure the retention of the tongue and the groove in the first direction.
• the first projection comprises the extension and / or the second undercut.
• the required thickness of the panel element can thereby be kept low.
• first undercut and the second undercut are designed to merge into one another. This training enables a simple geometry of the spring.
• the spring has at least five contact points for power transmission. Due to the large number of contact points, stress peaks in the groove and / or the tongue can be kept particularly low under load.
• the second projection of the tongue can be locked with the groove with an audible and perceptible click.
• the correct design of the tongue and groove connection can be determined in a simple manner when laying the panel element according to the invention.
• the long sides and / or end faces are treated, in particular sprayed, coated or the like, at least in regions with a hydrophobic agent.
• Panel element remains dimensionally stable even when moisture penetrates.
• glue channels are formed in the connected state of the tongue with the groove.
• panel elements in the sense of the invention are parquet elements according to DIN 280 or laminate elements according to EN 13329.
• the invention is described in more detail with reference to the accompanying drawings, in which embodiments are shown. It shows:
• Figure 1 is a schematic oblique view of a panel element according to the invention.
• FIG. 2 shows a cross section of a first embodiment of the panel element according to the invention
• FIG. 3 shows the tongue and groove connection of the panel element according to the invention according to FIG. 2;
• FIG. 4 shows a cross section of a further embodiment 1 of the panel element according to the invention; 18 the tongue and groove connection of the panel element according to the invention according to FIG.
• FIG. 6 shows an enlarged schematic illustration of detail A of the cross-sectional illustration according to FIG. 2 or 4.
• a panel element according to the invention is shown schematically in an oblique view.
• the panel element according to the invention has a useful side 11, a counter-pull 12 opposite the useful side, a first longitudinal side 13 with a spring 2, one of the first
• 1 has an essentially rectangular shape. It can also be square or have another shape, e.g. rhombic, triangular, hexagonal, octagonal, oval, or the like ..
• the spring 2 shows the cross section of a first embodiment of the panel element according to the invention, the cross section being normal to the longitudinal direction of the spring 2.
• the spring 2 has a first projection 22 which projects beyond the useful side 11 in a first direction which is parallel to the useful side and normal to the longitudinal direction of the spring 2, a first undercut 23 being formed between the first projection 21 and the second projection 22.
• FIG. 6 shows detail A of the cross-sectional view according to FIG. 2 or 4, namely an enlarged part of the second projection 22 and the first undercut 23.
• k is part of a Designated circle, the center of which is the spring edge 18 of the useful side 11 and which has the radius r. 6 that the distance of the first area 25 of the second projection 22 from the spring-side edge 18 of the useful side 11 is less than r and the distance of the second area 26 of the first undercut 23 is greater than r. Therefore, the first region 25 of the second projection 22 has a smaller distance from the spring-side edge 18 of the useful side 11 than the second region 26 of the first undercut 23.
• the groove 3 is formed opposite to the tongue 2 and has a third projection 31 projecting beyond the counter-pull 12 in the first direction, a fourth region 36 of the third projection 31 having the second region 26 in the connected state of the tongue and groove connection of the first undercut and a third region 35, which is adjacent to the third projection 31 and is not materialized in the groove 3, essentially coincide with the first region 25 of the second projection 22.
• one of the panel elements according to the invention with the tongue 2 is placed obliquely on the groove 3 of another of the panel elements according to the invention and the tongue and groove connection is produced essentially by a rotary movement, the tongue 2 in the groove 3 engages.
• the first region 25 of the second projection 22 is moved over the fourth region 36 of the third projection 31 of the groove 3.
• the semi-plastic deformation can at least partially recede again, the tongue 2 snapping into the groove 3 with an audible clicking sound.
• the change in the tipping resistance when snapping is also noticeable.
• the audible and perceptible click provides a simple and reliable check as to whether the tongue and groove connection has been made completely, the tongue and groove connection of the panel element according to the invention being releasable without play, seamlessly and non-destructively.
• a contact point 45 is formed between the first region 25 of the second projection 22 and the fourth region 36 of the third projection 31.
• This contact point 45 has the advantage that it can transmit forces in the direction of the useful side 11.
• at least one contact point 41, 42, 43, 44, 45 can be formed on the tongue 2 in the connected state of the tongue-and-groove connection, both on the first projection 21 and on the second projection 22, which forces in the direction of the useful side 11 can transmit, which press the spring 2 against the groove 3.
• the contact point 45 of the second projection 22 ensures that the tongue and groove connection can transmit loads on one of the panel elements according to the invention without high stress peaks being formed in the area of the tongue 2 and / or the groove 3.
• Panel element is shown in Fig. 3.
• the panel element shown on the right is pivoted up, the instantaneous axis of rotation when pivoting up from the position shown in FIG. 3 is essentially the tongue-side edge 18 of the useful side 11, which becomes the panel element shown on the right in FIG. 3 thus rotated around the spring-side edge 18 of the utility side 11.
• the first region 25 of the second projection 22 is guided over the fourth region 36 of the third projection 31.
• the force required for the semi-plastic deformation of the tongue 2 and / or the groove 3 in the area of the contact point 45 secures the tongue and groove connection against unintentional loosening of the connection.
• the spring 2 has at least one extension 27 and a second undercut 28 in the second direction.
• only the extension 27 or only the second undercut 28 can be formed.
• a plurality of extensions 27 and / or second undercuts 28 can also be provided. It has proven to be advantageous if the first projection 21 comprises the extension 27 and / or the second undercut 28. As a result, the required overall height of the spring and thus the panel elements according to the invention can be kept low.
• a particularly simple geometry of the tongue 2 and the groove 3 can be achieved if the first undercut 23 and the second undercut 28 are designed to merge into one another, that is to say essentially a single undercut is formed, which extends both in the first direction and in that extends in the second direction.
• the first undercut 23 is to be regarded as a component in the first direction and the second undercut 28 as a component in the second direction.
• the further contact points 41, 42, 43, 44 are also marked as points in FIG. 3.
• the tongue and groove connection of the first embodiment of the panel element according to the Invention has five contact points 41, 42, 43, 44, 45. Due to the large number and arrangement of the contact points 41, 42, 43, 44, 45, stresses of one of the panel elements according to the invention can be applied to neighboring ones via the tongue and groove connection panel elements according to the invention are transmitted, with excessive stress peaks occurring neither in the tongue 2 nor in the groove 3. It has proven to be advantageous that a force component in the second direction can also be transmitted at the contact point 45 between the panel elements according to the invention. 4 and 5 relate to a further embodiment of the invention
• the first undercut 23 has a constriction in the region of its opening 24, the first region 25 of the second projection 22 being formed adjacent to the constriction.
• This can be seen in particular from detail A, which is shown enlarged in FIG. 6.
• a long durability of the panel element according to the invention and its connection according to the invention can be achieved if the long sides 13, 14 and / or the end faces 15, 16 are treated, at least in regions, with a hydrophobic agent, in particular sprayed, coated or the like.
• glue channels 61, 62 are formed. In these areas, an adhesive can be introduced before assembly, whereby the tongue 2 is glued to the groove 3 and a particularly durable and resilient tongue and groove connection is achieved.

Applications Claiming Priority (3)

Publications (2)

Family

ID=29783637

Family Applications (1)

Country Status (6)

Families Citing this family (9)

Family Cites Families (20)

• 2002
  • 2002-06-19 AT AT0092202A patent/AT414251B/de not_active IP Right Cessation
• 2003
  • 2003-06-18 EP EP03735649A patent/EP1513994B1/fr not_active Expired - Lifetime
  • 2003-06-18 US US10/518,441 patent/US20050221047A1/en not_active Abandoned
  • 2003-06-18 AU AU2003237960A patent/AU2003237960A1/en not_active Abandoned
  • 2003-06-18 WO PCT/EP2003/006473 patent/WO2004001157A1/fr active IP Right Grant
  • 2003-06-18 AT AT03735649T patent/ATE371782T1/de not_active IP Right Cessation
  • 2003-06-18 DE DE50308069T patent/DE50308069D1/de not_active Expired - Fee Related

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events