EP4405539A1 - Tile levelling device - Google Patents

Tile levelling device

Info

Publication number
EP4405539A1
EP4405539A1 EP22777717.4A EP22777717A EP4405539A1 EP 4405539 A1 EP4405539 A1 EP 4405539A1 EP 22777717 A EP22777717 A EP 22777717A EP 4405539 A1 EP4405539 A1 EP 4405539A1
Authority
EP
European Patent Office
Prior art keywords
pressure body
rotating member
external rotating
fact
external
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22777717.4A
Other languages
German (de)
French (fr)
Other versions
EP4405539B1 (en
Inventor
Zeno Cipriani
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.)
Dakota Group SAS di Zeno Cipriani e C
Original Assignee
Dakota Group SAS di Zeno Cipriani e C
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 Dakota Group SAS di Zeno Cipriani e C filed Critical Dakota Group SAS di Zeno Cipriani e C
Publication of EP4405539A1 publication Critical patent/EP4405539A1/en
Application granted granted Critical
Publication of EP4405539B1 publication Critical patent/EP4405539B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/0092—Separate provisional spacers used between adjacent floor or wall tiles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/20—Implements for finishing work on buildings for laying flooring
    • E04F21/22—Implements for finishing work on buildings for laying flooring of single elements, e.g. flooring cramps ; flexible webs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02022—Construction of joints, e.g. dividing strips with means for aligning the outer surfaces of the flooring elements

Definitions

  • the invention relates to a tile levelling device used on a surface to level at least two adjacent tiles.
  • the said device is of the type comprising a support designed to be positioned between at least two adjacent tiles and which, in addition to fulfilling a spacing function, is also equipped with a base envisaged to be placed under the two tiles and an elongated body or rod, which extends vertically from the base in a perpendicular manner thereto.
  • the body has an elongated or stem form and is equipped with gripping means which form a coaxial connection, by means of a thread, with a pressure body.
  • the said body is endowed with a lower edge endowed with a flat support surface intended to operate through contact with parts of the upper surfaces of at least two adjacent tiles.
  • the task of the said flat support surface which is arranged perpendicular to the central axis of the pressure body, is to perform the levelling, i.e. aligning the upper flat surfaces of the two or more adjacent tiles lying in the same plane when the said support surface is pushed against the upper surfaces of the adjacent tiles, exploiting the counteraction applied by the base to the lower surfaces of the said tiles.
  • This operation is performed using the screw connection, whereby the pressure body is screwed onto the thread with which the elongated body or rod is equipped, with the result that the support surface of the pressure body ends up in contact and pushing against the flat upper surfaces of adjacent tiles.
  • the main object of the present invention is to further speed up the entire levelling operation which, according to prior art, is strongly conditioned by the lengthy screwing and unscrewing times.
  • FIG. 2 shows, schematically and in sequential order, the nine main steps constituting a single levelling operation carried out by means of the present invention
  • FIG. 3 shows a schematic axonometric view of a step consisting of the application of the embodiment in Figure 1 ;
  • Figure 4 shows a schematic axonometric view of a step following that shown in Figure 3
  • 1 denotes the individual tiles used to make a floor.
  • the tiles 1 are laid on a surface with a layer of glue 2 interposed therebetween.
  • each levelling device is used to act between at least two adjacent tiles 1 and comprises a support which is designed to be inserted between at least two adjacent tiles 1 and is endowed with a base 5, which is positioned under the two adjacent tiles and embedded in the layer of glue 2.
  • Part of the support is an elongated body or rod 4 which extends orthogonally from the base 5 and is equipped with means for the gripping thereof from the outside, which essentially consist of an external thread 40.
  • the external thread 40 is featured and sized so that a pressure body 3 couples therewith in a removable manner by means of a tapped hole 33 with which the said pressure body is endowed.
  • the pressure body 3 has a lower edge 30 which is in turn provided with a flat support surface 31 intended to operate in contact with at least part of the upper surfaces of the adjacent tiles 1 , either with or without a scratch guard plate interposed therebetween.
  • the support surface 31 is arranged perpendicular to the central axis of the pressure body 3, which is overall axially symmetric.
  • the pressure body 3 may be coaxially coupled to an external rotating member 7 designed to be driven by an external screwing tool 10 whose task is to generate, on command, the rotation thereof in both directions.
  • the pressure body 3 may be coaxially coupled to the external rotating member 7 by means of a coupling achieved by magnetic attraction.
  • the external rotating member 7 is, in turn, equipped with a tang 9 for coupling with the external screwing tool 10.
  • the pressure body 3 is cylindrical overall and is equipped with protruding ribs 35 on part of the external surface thereof. It is also equipped with an annular insert 32, made of a ferrous or ferromagnetic material, arranged integrally therewith and coaxially on part of the side walls thereof.
  • the external rotating member 7 have an axially symmetrical bell shape, shaped to accommodate - perfectly centred therewithin - at least part of the upper portion of the pressure body (3), and comprises, integrally coupled with at least part of the internal surface thereof, at least one insert consisting of a magnet 8 configured in an annular shape.
  • the task of the magnet 8 is to provide magnetic attraction to attract the annular insert made of a ferromagnetic material 32 with which the single pressure body 3 is equipped
  • the mutual arrangement of the materials used to provide the magnetic attraction between the pressure body 3 and the external rotating member 7 may be swapped and therefore a magnet may be coupled with the pressure body 3 instead of the ferromagnetic material and the external rotating member 7 may be coupled with a ring made of ferromagnetic material or the like instead of the magnet 8.
  • the elongated body 4 is positioned in a vertical arrangement, so that the base 5 thereof is inserted into the layer of glue 2 underneath the edge of the said tile. A new tile 1 is then laid alongside the previous one. The lower part of the elongated body 4 keeps the edge of the new tile away from the edge of the tile laid previously.
  • the tile layer then acts by preparing the assembly consisting of the pressure body 3 magnetically constrained to an external rotating member 7 and then coupling the tang 9 with a screwing tool 10. Activation of the screwing tool 10 screws the pressure body 3 onto the external thread 40 of the elongated body or rod 4 until the lower supporting surface 31 is forced to operate through contact with the upper surfaces of the two tiles 1 .
  • the action just described is the result of the pressure applied by the pressure body 3 to the upper surfaces of the tiles 1 through the counteraction applied by the base 5 to the lower surfaces of the said tiles 1 .
  • the elongated body 4 may be broken - by hammering the pressure body (3 (step 7)) - and detached therefore from the base 5, which remains in position under the adjacent tiles 1. Unscrewing can be performed quickly using the same screwing tool 10 (see steps 8 and 9).
  • the magnetic attraction exerted between the magnet 8 fixed to the external rotating member 7 and the annular insert 32 made of ferromagnetic material makes the pressure body 3 integral with the said external rotating member 7, thereby ensuring easy manoeuvrability of the assembly which is further increased by the possibility of use thereof in conjunction with a screwing tool.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finishing Walls (AREA)
  • Floor Finish (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Soil Working Implements (AREA)

Abstract

A tile levelling device of the type used on a surface to level at least two adjacent tiles which comprises: - a support designed to be positioned between at least two adjacent tiles (1) and equipped with a base (5) designed to be positioned underneath the at least two tiles and an elongated body or rod which extends orthogonally from the base (5) and is equipped with means for the gripping thereof from the outside; a levelling and pressure body (3) designed to be removably connected to the support by means of the elongated body or rod (4) and comprising a structure which is endowed with a lower edge (30) endowed with a flat support surface (31) intended to operate through contact with at least one of the upper surfaces of the at least two adjacent tiles (1); the said support surface (31) being positioned perpendicular to the central axis of the pressure body (3), wherein the pressure body (3) may be coaxially coupled by means of a magnetic attraction coupling to an external rotating member (7), whose task is to generate, on command, the rotation thereof in both directions. The external rotating member (7) is, in turn, equipped with a tang (9) for coupling with the external screwing tool (10) and comprises, integrally coupled therewith on at least part of the internal surface thereof, at least one insert consisting of a ring-shaped magnet (8).

Description

TILE LEVELLING DEVICE
DESCRIPTION
The invention relates to a tile levelling device used on a surface to level at least two adjacent tiles. The said device is of the type comprising a support designed to be positioned between at least two adjacent tiles and which, in addition to fulfilling a spacing function, is also equipped with a base envisaged to be placed under the two tiles and an elongated body or rod, which extends vertically from the base in a perpendicular manner thereto. The body has an elongated or stem form and is equipped with gripping means which form a coaxial connection, by means of a thread, with a pressure body. The said body is endowed with a lower edge endowed with a flat support surface intended to operate through contact with parts of the upper surfaces of at least two adjacent tiles. The task of the said flat support surface, which is arranged perpendicular to the central axis of the pressure body, is to perform the levelling, i.e. aligning the upper flat surfaces of the two or more adjacent tiles lying in the same plane when the said support surface is pushed against the upper surfaces of the adjacent tiles, exploiting the counteraction applied by the base to the lower surfaces of the said tiles. This operation is performed using the screw connection, whereby the pressure body is screwed onto the thread with which the elongated body or rod is equipped, with the result that the support surface of the pressure body ends up in contact and pushing against the flat upper surfaces of adjacent tiles.
According to prior art, this operation is performed manually at each point in the flooring at which levelling is performed. Clearly, significant amounts of time are required to carry out both the screwing on and unscrewing steps. Once a grip has been achieved and the tiles are locked in position ready to level the upper surfaces thereof, the various pressure parts employed thus far must be removed and decoupled, i.e. unscrewed from the relative elongated bodies or rods in order to be reused in new laying operations. One drawback of the aforesaid prior art lies in the considerable manoeuvring time required to perform each levelling operation described above, consisting in manually screwing and unscrewing the pressure member onto the external threaded part of the elongated body or rod.
The drawback is so great that an idea for a solution to the problem has already been proposed, as disclosed in EP3455432 (filed by the same applicant as this document), which essentially consists in preparing a special embodiment of the seat designed to allow mechanical connection with the elongated body or rod of the pressure member by means of at least two mutually movable parts which are mutually connected in an elastic manner so that they can be both moved away, as needed, to undo the connection with the externally threaded part of the elongated body or rod and allow recovery of the pressure member - without needing to unscrew the said parts - and also to be coupled onto the said threaded part by simply bringing the said parts together - without needing to perform any screwing - in order to make the mechanical connection and therefore then allow the pressing required for levelling to be carried out manually.
This facilitates the coupling and uncoupling of the pressure member with the relative elongated body or rod with quick and easy manoeuvres.
The main object of the present invention is to further speed up the entire levelling operation which, according to prior art, is strongly conditioned by the lengthy screwing and unscrewing times.
This object and others besides are achieved by the present invention, which relates to a tile levelling device according to the claims, as described and illustrated in the appended drawings in which:
- Figure 1 shows a schematic exploded view thereof;
- Figure 2 shows, schematically and in sequential order, the nine main steps constituting a single levelling operation carried out by means of the present invention; - Figure 3 shows a schematic axonometric view of a step consisting of the application of the embodiment in Figure 1 ;
- Figure 4 shows a schematic axonometric view of a step following that shown in Figure 3
- Figures 5 and 6 show the axial sections of certain parts.
With reference to the appended figures, 1 denotes the individual tiles used to make a floor. The tiles 1 are laid on a surface with a layer of glue 2 interposed therebetween.
Laying is complete once the levelling action has been performed by means of levelling devices distributed over the entire floor being laid.
In particular, each levelling device is used to act between at least two adjacent tiles 1 and comprises a support which is designed to be inserted between at least two adjacent tiles 1 and is endowed with a base 5, which is positioned under the two adjacent tiles and embedded in the layer of glue 2. Part of the support is an elongated body or rod 4 which extends orthogonally from the base 5 and is equipped with means for the gripping thereof from the outside, which essentially consist of an external thread 40.
The external thread 40 is featured and sized so that a pressure body 3 couples therewith in a removable manner by means of a tapped hole 33 with which the said pressure body is endowed.
The pressure body 3 has a lower edge 30 which is in turn provided with a flat support surface 31 intended to operate in contact with at least part of the upper surfaces of the adjacent tiles 1 , either with or without a scratch guard plate interposed therebetween. The support surface 31 is arranged perpendicular to the central axis of the pressure body 3, which is overall axially symmetric.
The pressure body 3 may be coaxially coupled to an external rotating member 7 designed to be driven by an external screwing tool 10 whose task is to generate, on command, the rotation thereof in both directions. The pressure body 3 may be coaxially coupled to the external rotating member 7 by means of a coupling achieved by magnetic attraction.
The external rotating member 7 is, in turn, equipped with a tang 9 for coupling with the external screwing tool 10.
The pressure body 3 is cylindrical overall and is equipped with protruding ribs 35 on part of the external surface thereof. It is also equipped with an annular insert 32, made of a ferrous or ferromagnetic material, arranged integrally therewith and coaxially on part of the side walls thereof.
The external rotating member 7 have an axially symmetrical bell shape, shaped to accommodate - perfectly centred therewithin - at least part of the upper portion of the pressure body (3), and comprises, integrally coupled with at least part of the internal surface thereof, at least one insert consisting of a magnet 8 configured in an annular shape.
The task of the magnet 8 is to provide magnetic attraction to attract the annular insert made of a ferromagnetic material 32 with which the single pressure body 3 is equipped
The mutual arrangement of the materials used to provide the magnetic attraction between the pressure body 3 and the external rotating member 7 may be swapped and therefore a magnet may be coupled with the pressure body 3 instead of the ferromagnetic material and the external rotating member 7 may be coupled with a ring made of ferromagnetic material or the like instead of the magnet 8.
As regards the construction of the external rotating member 7, various possible methods may be suggested, namely:
- using a magnetic plastic material for the production thereof;
- using a ferrous or ferromagnetic plastic material for the production thereof;
- using a plastic material for the production thereof with a pressure-co- moulded magnetic ring inside; using a plastic material for the production thereof with a co-moulded metal ring or washer.
Similar production methods can be used for the construction of the pressure body 3.
The entire levelling operation, which - for the sake of simplicity - refers to a case of two tiles 1 , is easily schematised by a sequence of steps, which are identified with the numbers 1 to 9 and shown, schematically, in Figure 2.
Alongside the tile 1 placed on the layer of glue 2, the elongated body 4 is positioned in a vertical arrangement, so that the base 5 thereof is inserted into the layer of glue 2 underneath the edge of the said tile. A new tile 1 is then laid alongside the previous one. The lower part of the elongated body 4 keeps the edge of the new tile away from the edge of the tile laid previously. The tile layer then acts by preparing the assembly consisting of the pressure body 3 magnetically constrained to an external rotating member 7 and then coupling the tang 9 with a screwing tool 10. Activation of the screwing tool 10 screws the pressure body 3 onto the external thread 40 of the elongated body or rod 4 until the lower supporting surface 31 is forced to operate through contact with the upper surfaces of the two tiles 1 . The action just described is the result of the pressure applied by the pressure body 3 to the upper surfaces of the tiles 1 through the counteraction applied by the base 5 to the lower surfaces of the said tiles 1 .
Unscrewing can be performed just as quickly using the same screwing tool 10.
Once levelling has been achieved and sufficient time has lapsed for stabilisation of the assembly, for example, the elongated body 4 may be broken - by hammering the pressure body (3 (step 7)) - and detached therefore from the base 5, which remains in position under the adjacent tiles 1. Unscrewing can be performed quickly using the same screwing tool 10 (see steps 8 and 9).
The magnetic attraction exerted between the magnet 8 fixed to the external rotating member 7 and the annular insert 32 made of ferromagnetic material makes the pressure body 3 integral with the said external rotating member 7, thereby ensuring easy manoeuvrability of the assembly which is further increased by the possibility of use thereof in conjunction with a screwing tool.

Claims

1) A the levelling device of the type used on a surface to level at least two adjacent tiles and comprising:
- a support designed to be positioned between at least two adjacent tiles (1) and equipped with a base (5) designed to be positioned underneath the at least two tiles; an elongated body or rod (4) which extends orthogonally from the base (5) and is equipped with means for the gripping thereof consisting of an external thread (40);
- a pressure and levelling body (3) designed to be removably connected to the said support by means of the elongated body or rod (4) and comprising a structure which is endowed with a lower edge (30) endowed with a flat support surface (31) intended to operate in contact with at least one of the upper surfaces of the at least two adjacent tiles (1), the said support surface (31) being positioned perpendicular to the central axis of the pressure body (3);
- characterised by the fact that the pressure body (3) may be coaxially coupled to an external rotating member (7) whose task is to generate, on command, the rotation thereof in both directions.
2). A device according to Claim 1 characterised by the fact that the pressure body (3) may be coaxially coupled to an external rotating member (7) by means of a magnetic attraction coupling, the said external rotating member (7) being equipped with a tang (9) for coupling with an external screwing tool (10).
3). A device according to Claim 2 characterised by the fact that the external rotating member (7) has an axially symmetrical bell shape, shaped to accommodate - perfectly centred therewithin - at least part of the upper portion of the pressure body (3), and comprises, integrally coupled with at least part of the internal surface thereof, at least one insert consisting of a ring-shaped magnet (8).
4). A device according to Claim 3 characterised by the fact that the pressure body (3) has a cylindrical shape overall and is provided with an annular insert (32), which is made of a ferromagnetic material and is positioned integrally and coaxially with the side walls of the said device.
5). A device according to Claim 4 characterised by the fact that the axially symmetrical bell-shaped external rotating member (7) comprises, integrally coupled with at least part of the internal surface thereof, at least one insert consisting of a ring-shaped magnet (8), the magnet (8) fulfilling the function of providing the magnetic attraction with the annular insert made of ferrous material or ferromagnetic material (32).
6). A device according to Claim 3 characterised by the fact that the pressure body (3) has a cylindrical shape overall and is made of a magnetic material.
7). A device according to Claim 6 characterised by the fact that the axially symmetrical bell-shaped external rotating member (7) is made of a ferromagnetic material, thereby fulfilling the function of providing the magnetic attraction with the magnetic material of which the pressure body (3) is made and with which it is coupled, the external rotating member (7) having an axially symmetrical bell shape, shaped to accommodate - perfectly centred therewithin - at least part of the upper portion of the pressure body (3), and comprising, integrally coupled with at least part of the internal surface thereof, at least one insert consisting of a magnet 8 configured in an annular shape.
EP22777717.4A 2021-09-23 2022-09-12 Tile levelling device Active EP4405539B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000024488A IT202100024488A1 (en) 2021-09-23 2021-09-23 LEVELING DEVICE FOR TILES
PCT/IB2022/058570 WO2023047242A1 (en) 2021-09-23 2022-09-12 Tile levelling device

Publications (2)

Publication Number Publication Date
EP4405539A1 true EP4405539A1 (en) 2024-07-31
EP4405539B1 EP4405539B1 (en) 2025-02-19

Family

ID=79018685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22777717.4A Active EP4405539B1 (en) 2021-09-23 2022-09-12 Tile levelling device

Country Status (8)

Country Link
US (1) US20240401349A1 (en)
EP (1) EP4405539B1 (en)
CN (1) CN118119755A (en)
CA (1) CA3232570A1 (en)
ES (1) ES3031687T3 (en)
IT (1) IT202100024488A1 (en)
PL (1) PL4405539T3 (en)
WO (1) WO2023047242A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202300016470A1 (en) * 2023-08-02 2025-02-02 Dakota Group S A S Di Zeno Cipriani & C LEVELLING-SPACER DEVICE FOR TILES, SLABS OR SIMILAR
EP4644638A1 (en) 2024-04-30 2025-11-05 7C Srl Leveling device for laying tiles

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011051428B4 (en) * 2010-08-16 2018-06-21 Fliesenwerkstatt Marton Gmbh Laying system with a laying aid for thin-layered large format boards as floor or wall cladding
ITMC20110016U1 (en) * 2011-07-19 2013-01-20 Brunoplast Di Eleuteri Bruno DEVICE FOR THE CORRECT INSTALLATION OF FLOOR TILES.
WO2014045381A1 (en) * 2012-09-20 2014-03-27 有限会社オーパーツ Fastening device and construction method using fastening device
EP3421686B1 (en) * 2014-07-11 2020-04-01 FI.R.P. di Fiorese M. e C. s.n.c. Positioning system for covering elements
US9279259B1 (en) * 2015-05-21 2016-03-08 William P. Russo Tile lippage removal system
US9689167B2 (en) * 2015-08-13 2017-06-27 Ching-Tien Teng Tile leveler
ITUA20163399A1 (en) 2016-05-12 2017-11-12 Termoplast S R L Tile leveler
HRPK20170486B3 (en) * 2017-03-22 2019-12-27 Davor KRIZMANIĆ Device for installation and leveling of tiles or of any other panels on the flat surface
EP3524751A1 (en) * 2018-02-12 2019-08-14 Solidor Rubber&Products BVBA Levelling system
IT201800003175A1 (en) * 2018-03-01 2019-09-01 Ghelfi S R L KNOB THAT CAN BE COUPLED TO A TILE LEVELING SPACER FOR THE RELATIVE LAYING OF THE TILES ON FLAT SURFACES
IT201800005212A1 (en) * 2018-05-09 2019-11-09 LEVELING SPACER DEVICE
WO2021071456A1 (en) * 2019-10-08 2021-04-15 Sevinc Murat Leveling tool for building coating materials
IT202000009568A1 (en) * 2020-04-30 2021-10-30 Dakota Group S A S Di Zeno Cipriani & C LEVELER FOR TILES
EP4008852B1 (en) * 2020-12-04 2024-10-09 Raimondi S.p.A. Supporting device for laying tiles

Also Published As

Publication number Publication date
CA3232570A1 (en) 2023-03-30
PL4405539T3 (en) 2025-07-21
EP4405539B1 (en) 2025-02-19
ES3031687T3 (en) 2025-07-10
IT202100024488A1 (en) 2023-03-23
WO2023047242A1 (en) 2023-03-30
CN118119755A (en) 2024-05-31
US20240401349A1 (en) 2024-12-05

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