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WO2015114569A1 - Plancher en bois et structure de plancher - Google Patents

Plancher en bois et structure de plancher Download PDF

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Publication number
WO2015114569A1
WO2015114569A1 PCT/IB2015/050692 IB2015050692W WO2015114569A1 WO 2015114569 A1 WO2015114569 A1 WO 2015114569A1 IB 2015050692 W IB2015050692 W IB 2015050692W WO 2015114569 A1 WO2015114569 A1 WO 2015114569A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
layer
wooden
panels
lower layer
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.)
Ceased
Application number
PCT/IB2015/050692
Other languages
English (en)
Inventor
Andrea Cattaneo
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.)
BELINK SA
Original Assignee
BELINK SA
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
Application filed by BELINK SA filed Critical BELINK SA
Publication of WO2015114569A1 publication Critical patent/WO2015114569A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • E04F15/041—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 with a top layer of wood in combination with a lower layer of other material
    • E04F15/042—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 with a top layer of wood in combination with a lower layer of other material the lower layer being of fibrous or chipped material, e.g. bonded with synthetic resins
    • 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
    • E04F15/02133—Flooring or floor layers composed of a number of similar elements fixed directly to an underlayer by means of magnets, hook and loop-type or similar fasteners, not necessarily involving the side faces of the flooring elements
    • E04F15/02144—Flooring or floor layers composed of a number of similar elements fixed directly to an underlayer by means of magnets, hook and loop-type or similar fasteners, not necessarily involving the side faces of the flooring elements by magnets
    • 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
    • E04F15/045—Layered panels only of wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2203/00—Specially structured or shaped covering, lining or flooring elements not otherwise provided for
    • E04F2203/04—Specially structured or shaped covering, lining or flooring elements not otherwise provided for comprising a plurality of internal elongated cavities arranged in substantially parallel rows
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2203/00—Specially structured or shaped covering, lining or flooring elements not otherwise provided for
    • E04F2203/08—Specially structured or shaped covering, lining or flooring elements not otherwise provided for with a plurality of grooves or slits in the back side, to increase the flexibility or bendability of the elements

Definitions

  • the present invention refers to a wooden panel for flooring in accordance with the preamble of claim 1, as well as to a floor structure comprising such a panel .
  • the present description is made, in a non- limiting manner, also with specific reference to a raised floor structure for offices, whereby the invention can also refer to a non-raised floor structure to be positioned on the floor base of a building and/or a floor structure able to be used in different contexts like, for example, in a home, in a storage facility, in a production unit or outdoors.
  • raised floor are essentially made up of panels of standard size, generally boards of 60x60 cm, and a metallic raising frame made up of bars and supports on which the panels are sustained resting on them.
  • the aforementioned panels in turn, generally consist of three main elements:
  • an upper coating or walking surface for example made from wood, porcelain stoneware, laminate, pvc, rubber, linoleum, granite and others;
  • an intermediate inner core that generally consists of high density particle wood or calcium sulphate and, preferably,
  • a lower balancing layer for example a sheet of aluminium, which also performs the role of a barrier against humidity.
  • panels with wooden upper layer are laid dry on the floor base, possibly with interposition of a sheet of insulating material, exploiting a suitable matching mortise and tenon configuration of the opposite sides of the panels, so that the projection present on a first side of a panel inserts into the recess present on the opposite side of a similar adjacent panel.
  • the removal and repositioning of one or more panels of the floor is anything but easy, unless they are panels positioned at the perimeter edge of the floor.
  • the problem forming the basis of the present invention is to devise a wooden panel for a floor, as well as a floor structure comprising such wooden panels, with structural and functional characteristics such as to satisfy the aforementioned requirements, at the same time avoiding the aforementioned drawbacks with reference to the prior art.
  • FIG. 1 represents a plan view of a floor structure according to the invention comprising a plurality of wooden panels;
  • figure 2 represents a schematic perspective view of a portion of a wooden panel of the floor structure of figure 1 and
  • figure 3 represents a plan side view of the portion of wooden panel 2 of figure 2.
  • reference numeral 1 generically indicates a floor structure according to the invention.
  • the floor structure 1 comprises a plurality of wooden panels 2, otherwise identifiable as modules, tiles , etc ..
  • the panels 2 are intended to be positioned beside one another, preferably side-by-side, so that the upper side of such wooden panels 2 defines the continuous walking surface of the floor structure 1.
  • Each wooden panel 2 comprises:
  • the upper layer 3 of the panel is a wooden layer that preferably is formed by a wooden slat having a thickness greater than or equal to 2.5 mm and less than 30 mm, preferably the aforementioned wooden upper layer 3 defines a wooden slat having a thickness comprised between 3.5 mm and 5.5 mm, typically a wooden slat having a thickness of about 4 mm.
  • the intermediate layer 4 preferably consists of a particle wood and/or a multi-layer wooden panel.
  • the upper layer 3 and the lower layer 5 are applied to the intermediate layer 4 so as to be fixedly connected to it, preferably through direct gluing between the various layers .
  • the upper layer 3 and the lower layer 5 of the panel 2 are glued to the intermediate layer 4 through a natural glue free from formaldehyde, preferably a soy-based natural glue.
  • the wooden intermediate layer 4 is also formed by a layer of plywood glued, for example through a soy-based natural glue.
  • the lower layer 5 is a lower layer 5:
  • the intermediate layer 4 comprises a plurality of grooves, or notches, 6 said grooves 6 substantially extending for almost the entire thickness of the intermediate layer 4 from the lower layer 5 and towards the upper layer 3.
  • the aforementioned grooves 6 stop in the thickness of the intermediate layer 4 before reaching the end, i.e. the side, of the intermediate layer 4 facing the upper layer 3 of the panel 2.
  • the grooves 6 of said plurality of grooves are grooves 6 that are open towards the lower layer 5.
  • ferromagnetic is used to distinguish a material, like for example a soft steel, having characteristics such as to be able to be attracted by a permanent magnet, typically a conventional magnet, or by an electromagnet.
  • the lower layer 5 consists of a layer of magnetic material extending over the entire surface of said panel 2.
  • the aforementioned lower layer 5 consists of a layer of magnetic rubber, for example of the type produced through extrusion or calendaring of a mixture having a rubbery component and a ferritic component .
  • the aforementioned grooves 6 of the intermediate layer 4 are grooves 6 that are parallel to each other, for example spaced apart by 6-12 cm.
  • Each groove 6 extends from a first side to an opposite side of the panel 2 for the entire distance between opposite sides of the panel 2.
  • the wooden panel 2 has a quadrilateral shape in plan and the grooves 6 extend for the entire distance between opposite sides of the panel 2.
  • the aforementioned grooves 6 can be advantageously oriented so as to extend between the two opposite longer sides of the panel and therefore be orthogonal to the longitudinal axis of the panel itself.
  • the lower layer 5 is a continuous layer that extends without interruptions below the intermediate layer 4, also at the grooves 6 of the intermediate layer 4, as illustrated in figures 1 and 2.
  • each panel 2 do not have projections, undercuts or other opposite male-female elements capable of engaging the side of one panel with the side of the adjacent panel by shape coupling of the mortise and tenon type and the like.
  • each panel 2 is tapered by a predetermined draft angle, preferably comprised between 3° and 7°, indicatively 5°, so that the section in plan of each panel reduces going from the upper layer 3 towards the lower layer 5.
  • the sides of the panel 2 are closed by a glued side closing edge, which allows the integrity of the panel 2 to be preserved, avoiding possible infiltrations of water/humidity being able to compromise its structure, as well as preserving the integrity of the panel, in particular of its edges, when a panel 2 has to be positioned or a panel 2 that is already positioned has to be removed/lifted. Therefore, the aforementioned side edge covers the entire perimeter band of the panel 2, for its entire thickness or, alternatively, for a height smaller than its thickness.
  • the wooden upper layer of the panels 2 can advantageously be made with a valuable wood, since the upper side of such a layer will be the only visible side of the floor structure 1.
  • the intermediate layer 4 is not visible, so that such an intermediate layer can be advantageously made with a more cost-effective material than the upper layer 3 provided that it is suitable for ensuring:
  • the aforementioned intermediate layer 4 can comprise a particle wood, a multi-layer wooden panel and/or a steel box, the latter being mainly intended to be used for raised floor structures intended to support heavy loads.
  • the floor structure 1 according to the invention comprises a sustaining structure (not illustrated) on which a plurality of wooden panels 2 is supported, resting on it and adjacent to one another, as illustrated and described earlier, to define a substantially coplanar walking surface.
  • the aforementioned sustaining structure on which the panels 2 rest comprises a layer of ferromagnetic material, typically a sheet of steel, or magnetic material that interacts with the magnetic portion of the lower layer 5 of the wooden panels 2.
  • the magnetic attraction force between the lower layer 5 of the wooden panels 2 and the layer of ferromagnetic or magnetic material of the sustaining structure of the floor structure 1 ensures a firm positioning of the wooden panels 2 resting on the sustaining structure.
  • the aforementioned sustaining structure of the floor structure 1 comprises a sheet of ferromagnetic steel or a layer of resin doped with ferromagnetic particles against which the magnetic lower side of the wooden panels 2 rests.
  • the aforementioned sheet of ferromagnetic steel or said layer of resin doped with ferromagnetic particles extends for the entire extension of the lower layer 5 of the panel 2, so as to ensure an effective and uniform magnetic holding action over the entire lower surface of the panel 2.
  • the aforementioned sustaining structure of the floor structure comprises an upper frame suitable for defining a raised framework for the positioning of the wooden panels 2 side-by-side and end-to-end, said upper frame defining, in plan, a grid having a quadrilateral structure formed from bars and beams, above which the aforementioned sheet of ferromagnetic steel or the aforementioned layer of resin doped with ferromagnetic particles advantageously lies.
  • the wooden panels according to the invention and the floor structure comprising such panels make it possible to satisfy the aforementioned requirements and at the same time to overcome the drawbacks referred to in the introductory part of the present description with reference to the prior art.
  • the magnetic attraction that is obtained between the bottom of the wooden panels and the underlying sustaining structure allows each panel 2 to be fixedly attached in the exact position in which it was arranged without it being able to move laterally with respect to the sustaining structure.
  • a magnetic rubber as material for making the magnetic layer of the wooden panels, as well as the magnetic function also makes it possible to increase the adherence between the bottom of the panels and the sustaining structure, as well as to identify an effective insulating barrier, suitable both as heat insulation and to counteract the possible rise in the wooden panel of humidity from the floor base.
  • each wooden panel By acting with suitable gripping tools, for example suction grippers, each wooden panel can be selectively extracted vertically from the floor structure provided that a sufficient force is used to overcome the magnetic attraction between the lower layer of the panel and the sustaining structure.
  • suitable gripping tools for example suction grippers
  • the presence of the grooves, in particular of the grooves parallel to one another, in the intermediate layer allows the intermediate layer of each wooden panel to be sufficiently flexible and deformable in its structure to follow the deformations of the wooden upper layer without such deformations affecting the magnetic lower layer. This makes it possible to avoid even minimal detachment of the magnetic lower layer of the panel itself even when there is limited warping of the wooden upper layer, for example caused by the thermal dilations of the wooden upper layer.
  • the lower layer of the panel is a magnetic lower layer extending continuously over the entire surface of the panel and at the same time that the aforementioned sustaining structure comprises a sheet of continuous ferromagnetic steel or a continuous layer of resin doped with ferromagnetic particles extending beneath the panel over the entire extension of the panel itself.
  • this makes it possible to ensure a stable positioning of the wooden panel according to the invention on the underlying sustaining structure, without even only partial lifting or detachment of the panel occurring in environments where the temperature and the degree of humidity are not controlled and/or do not fall within the limits foreseen for correct installation of wooden floors. This is ensured also in the case in which the wooden upper layer has a substantial thickness according to the values indicated earlier.
  • the lower layer of the wooden panel is made with only ferromagnetic material, foreseeing instead to make, only in the sustaining structure, magnetic portions or, preferably, an entire magnetic layer on which to rest the ferromagnetic lower layer of the wooden panel.
  • This is an embodiment that is constructively rather onerous but equally effective in terms of the correct support and fixing of the wooden panels to the underlying sustaining structure, in any case respecting the teaching forming the basis of the present invention of exploiting magnetic attraction to fixedly attach the single wooden panels to the sustaining structure of the floor structure and of foreseeing grooves in the intermediate layer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)

Abstract

Panneau en bois (2) comprenant une lame en bois (3) et une couche de caoutchouc magnétique (5) reliées l'une à l'autre, une couche intermédiaire (4) constituée de particules de bois étant intercalée entre elles. La couche intermédiaire (4) comprend une pluralité de rainures (6) qui s'étendent sensiblement sur presque toute son épaisseur depuis la couche de caoutchouc magnétique (5) vers la lame en bois (3), lesdites rainures (6) de ladite pluralité de rainures (6) étant des rainures (6) qui s'ouvrent vers la couche de caoutchouc magnétique (5).
PCT/IB2015/050692 2014-01-31 2015-01-29 Plancher en bois et structure de plancher Ceased WO2015114569A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20140142 2014-01-31
ITMI2014A000142 2014-01-31

Publications (1)

Publication Number Publication Date
WO2015114569A1 true WO2015114569A1 (fr) 2015-08-06

Family

ID=50440734

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2015/050692 Ceased WO2015114569A1 (fr) 2014-01-31 2015-01-29 Plancher en bois et structure de plancher

Country Status (1)

Country Link
WO (1) WO2015114569A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017125390A (ja) * 2016-01-12 2017-07-20 パナソニックＩｐマネジメント株式会社 床材
CN112031328A (zh) * 2020-09-10 2020-12-04 浙江品阁木业有限公司 三层三拼实木复合地板
CN114541687A (zh) * 2020-11-26 2022-05-27 和也健康科技有限公司 一种健康家居用竹地板结构
US12305405B1 (en) * 2019-06-23 2025-05-20 Windfall Lumber, Inc. Remountable magnetic panel system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1557561A (fr) * 1968-03-29 1969-02-14
EP0343543A1 (fr) * 1988-05-25 1989-11-29 Goldbach GmbH Holz-, Kunststoff-und Metallverarbeitung Panneau de plancher
JPH10183965A (ja) * 1996-12-26 1998-07-14 Dantani Plywood Co Ltd 木質フロア及びその施工方法
GB2351903A (en) * 1999-07-15 2001-01-17 Dalsouple Direct Ltd A resilient covering having a flexible magnetic layer
ITRE20100068A1 (it) * 2010-09-09 2012-03-10 Bulwark Design Sarl Sistema di pavimentazione

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1557561A (fr) * 1968-03-29 1969-02-14
EP0343543A1 (fr) * 1988-05-25 1989-11-29 Goldbach GmbH Holz-, Kunststoff-und Metallverarbeitung Panneau de plancher
JPH10183965A (ja) * 1996-12-26 1998-07-14 Dantani Plywood Co Ltd 木質フロア及びその施工方法
GB2351903A (en) * 1999-07-15 2001-01-17 Dalsouple Direct Ltd A resilient covering having a flexible magnetic layer
ITRE20100068A1 (it) * 2010-09-09 2012-03-10 Bulwark Design Sarl Sistema di pavimentazione

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017125390A (ja) * 2016-01-12 2017-07-20 パナソニックＩｐマネジメント株式会社 床材
US12305405B1 (en) * 2019-06-23 2025-05-20 Windfall Lumber, Inc. Remountable magnetic panel system
CN112031328A (zh) * 2020-09-10 2020-12-04 浙江品阁木业有限公司 三层三拼实木复合地板
CN114541687A (zh) * 2020-11-26 2022-05-27 和也健康科技有限公司 一种健康家居用竹地板结构
CN114541687B (zh) * 2020-11-26 2023-10-13 和也健康科技有限公司 一种健康家居用竹地板结构

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