EP3246492B1 - A tool for leveling a concrete layer or the like in construction work - Google Patents
A tool for leveling a concrete layer or the like in construction work Download PDFInfo
- Publication number
- EP3246492B1 EP3246492B1 EP17170894.4A EP17170894A EP3246492B1 EP 3246492 B1 EP3246492 B1 EP 3246492B1 EP 17170894 A EP17170894 A EP 17170894A EP 3246492 B1 EP3246492 B1 EP 3246492B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- movable part
- fixed part
- straightedge
- respect
- region
- 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.)
- Active
Links
- 239000004567 concrete Substances 0.000 title claims description 11
- 238000010276 construction Methods 0.000 title claims description 4
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 description 7
- 238000007688 edging Methods 0.000 description 5
- 239000004579 marble Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/10—Devices for levelling, e.g. templates or boards
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/15—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for laying-down uncoated stone or similar materials, or for striking-off or spreading same without compacting, e.g. for crushed rock base courses, sand cushions for paving
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/04—Patterns or templates; Jointing rulers
- E04F21/05—Supports for jointing rulers
-
- 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
- E04F21/24—Implements for finishing work on buildings for laying flooring of masses made in situ, e.g. smoothing tools
- E04F21/241—Elongated smoothing blades or plates, e.g. screed apparatus
Definitions
- the present invention relates to a tool for leveling a concrete layer or the like in construction work.
- US2010202831-A1 discloses a screed for contouring cementitious material according to the preamble of claim 1.
- the screed includes a drain pivot element adapted and constructed to be rotatably secured in a drain depression.
- An elongated material contact element adapted and constructed to uniformly contour the surface of cementitous material is provided.
- a height adjustment element connects the drain pivot element to the material contact element. The height adjustment element is used to set the operating height of the material contact element.
- the present invention aims to provide a tool for leveling, in a constant and regular manner, a concrete layer or the like, for construction work and to enable this operation to be quick and reliable, as well as easy and convenient for the operator, thus providing a practical, simple and advantageous solution, both in implementation and convenience of use.
- Another object is to allow the tool to be used for producing plasterwork for walls in general, in this case facilitating the required leveling of the plaster layer, thus constituting an effective solution of use.
- the tool according to the invention comprises a fixed part 10 intended to be supported on a embodiment
- the tool according to the invention comprises a fixed part 10 intended to be supported on a reference surface M, for example, the outer perimeter marble edging of a balcony, with respect to which the required leveling of a concrete layer of application of an article to be laid is established, for example tiles, slabs or the like.
- the tool further comprises a movable part 11 movable with respect to the fixed part 10, which is able to move along the body of the fixed part 10 from a rest position up to a position of maximum stroke, and capable of adjusting and defining the desired height L of leveling.
- Said movable part 11 is intended to be associated with a straightedge S in order to achieve the leveling of the concrete layer or the like.
- Locking means 12, 13 of the movable part 11 to the fixed part 10 are also provided in the position that defines the required leveling height.
- the fixed part 10 has a region 101, longitudinally, which is coupled, in a complementary and movable manner, within a corresponding seat 111 of the movable part 11, so that said region 101 of the fixed part 10 constitutes a guide for the translatory motion of said movable part 11 with respect to the fixed part 10.
- the said locking means 12, 13 of the movable part 11 to the fixed part 10 comprise, for the illustrated embodiment, two screws 12, 13, which can be inserted from the outside into transverse through-holes, respectively, 14 and 15, so that with their tip they adhere and press against an inner wall 112 of the sliding seat 111 of the movable part 11, thereby causing the locking.
- the movable part 11 can assume a rest position wherein at least one of its sides parallel to the reference surface M is aligned with an adjacent side of the fixed part 10 and an operative position wherein the movable part 11 is projecting with respect to the fixed part 10, towards the working plane and with respect to the reference surface M, by a length L, which defines and establishes the required leveling height.
- the straightedge S can be provided as a single piece with the movable part 11, from the manufacturing step, or said straightedge S can be provided with a detachable and interchangeable coupling with respect to the movable part 11.
- the movable part 11 on the side opposite to that which slides on the fixed part 10, has a region intended to be detachably and interchangeably coupled with the straightedge element S, providing the section of that region complementary with that of the straightedge S.
- the detachable and interchangeable coupling of the region of the movable part 11 with the straightedge element S is envisaged by providing this region with a box-like structure whose walls 113 are independent and elastically-deformable, and free to expand outwards by the effect of a frustoconical wedge-shaped element 16 when it penetrates within said box-like structure, with which cooperating radial fins 114 adhere to the walls 113, and of overall conformation complementary to the frustoconical element 16, so that advancing of this element 16, caused by a screw 17, which can be inserted from the outside on the inner wall 112 of the sliding seat 111 of the movable part 11 and engaging in a through-hole 19 in the frustoconical element 16, causes outward expansion of the walls 113 of said box-like structure, which press against the walls of the straightedge S inserted on that region, thereby causing the locking of the straightedge S to said region of movable part 11.
- the detachable and interchangeable coupling between the said region of the movable part 11 and the straightedge element S may be obtained in any other suitable manner, so that their association allows, in any case, the removability and interchangeability of the straightedge S.
- the screw 17 is provided through a hole 18 in the movable part 11 and whose head can be arranged to disappear within a relative seat formed in the wall 112 of the movable part 11, so as not to obstruct the sliding of the movable part 11 on the guide 101 of the fixed part 10.
- the cross-section of said region 101 of the fixed part 10 intended to be coupled with the movable part 11 has a T-shaped cross-section
- the seat 111 of the movable part 11 with which the region 101 is coupled has an essentially U-shaped cross-section, with the ends facing inwards, with two sliding sections that engage within two corresponding lateral grooves 102 formed in the intermediate part of said T, so as to form, together, a sliding guide for the movable part 11.
- the section of the movable part 11 which is projecting with respect to the fixed part 10 towards the working plane and with respect to the reference surface M, for example, marble edging for the illustrated embodiment example, which defines and establishes the leveling height L, corresponds to the thickness of an article to be laid on the leveled application layer, this article consisting of tiles, slabs, or the like, or any other article to be laid, for example self-locking, on the leveled application layer.
- the tool can be used to level application layers of the article to be laid, which can consist of any suitable material for application of the article to be laid and suitable for this object, such as concrete, mortar, sand, substrate or other suitable material, for example adhesive or the like.
- the tool can be used to level a concrete layer, for example so-called screed, especially balconies, or floorings in general, in this case, the fixed part 10 refers, for example, to the marble perimeter edging M, of the balcony.
- the tool can also be used to produce plasterwork for walls in general, by moving the fixed part 10 to rest against a suitable reference surface, for example, counterframes in the case of plasterwork at the side stiles of window frames, or other suitable reference surfaces in the case of plasterwork on other walls, thus allowing the required leveling of the plaster layer.
- a suitable reference surface for example, counterframes in the case of plasterwork at the side stiles of window frames, or other suitable reference surfaces in the case of plasterwork on other walls, thus allowing the required leveling of the plaster layer.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Description
- The present invention relates to a tool for leveling a concrete layer or the like in construction work.
- Currently, the task of leveling the concrete layer, so-called screed, especially in balconies, on which to lay tiles, is not always easy and quick to implement. The operator manually maneuvers a straightedge above the concrete layer, and this operation is quite difficult and often executed with improvised systems, as it is necessary to ensure a constant and regular leveling of this layer depending on the thickness of the tiles to be laid. In the case of balconies, the leveling must also be carried out in relation to the pre-existing outer perimeter marble edging in order to ensure that the tiles are coplanar with perimeter edging.
-
US2010202831-A1 discloses a screed for contouring cementitious material according to the preamble ofclaim 1. The screed includes a drain pivot element adapted and constructed to be rotatably secured in a drain depression. An elongated material contact element adapted and constructed to uniformly contour the surface of cementitous material is provided. A height adjustment element connects the drain pivot element to the material contact element. The height adjustment element is used to set the operating height of the material contact element. - The present invention aims to provide a tool for leveling, in a constant and regular manner, a concrete layer or the like, for construction work and to enable this operation to be quick and reliable, as well as easy and convenient for the operator, thus providing a practical, simple and advantageous solution, both in implementation and convenience of use.
- Another object is to allow the tool to be used for producing plasterwork for walls in general, in this case facilitating the required leveling of the plaster layer, thus constituting an effective solution of use.
- These objects are achieved by a tool as defined in
claim 1. - Characteristics of the invention and the advantages that derive from it will become evident from the detailed description of an embodiment of the invention that follows, illustrated simply by way of example, with reference to the attached drawings, wherein:
-
Figure 1 illustrates a tool according to the invention, in exploded perspective view; -
Figure 2 illustrates the same tool, in exploded front view; -
Figure 3 is a view of the same tool in perspective view illustrating the application of the straightedge element; -
Figure 4 is a side view of the region of the movable part intended to be coupled with the straightedge; -
Figure 5 illustrates, in front view, the tool in the leveling position of use with the straightedge applied. - With reference to the figures, in the illustrated embodiment, the tool according to the invention comprises a
fixed part 10 intended to be supported on a embodiment, the tool according to the invention comprises afixed part 10 intended to be supported on a reference surface M, for example, the outer perimeter marble edging of a balcony, with respect to which the required leveling of a concrete layer of application of an article to be laid is established, for example tiles, slabs or the like. - The tool further comprises a
movable part 11 movable with respect to thefixed part 10, which is able to move along the body of thefixed part 10 from a rest position up to a position of maximum stroke, and capable of adjusting and defining the desired height L of leveling. - Said
movable part 11 is intended to be associated with a straightedge S in order to achieve the leveling of the concrete layer or the like. - Locking means 12, 13 of the
movable part 11 to thefixed part 10 are also provided in the position that defines the required leveling height. - The
fixed part 10 has aregion 101, longitudinally, which is coupled, in a complementary and movable manner, within acorresponding seat 111 of themovable part 11, so that saidregion 101 of thefixed part 10 constitutes a guide for the translatory motion of saidmovable part 11 with respect to thefixed part 10. - The said locking means 12, 13 of the
movable part 11 to thefixed part 10 comprise, for the illustrated embodiment, twoscrews seat 111 of themovable part 11, thereby causing the locking. - The
movable part 11 can assume a rest position wherein at least one of its sides parallel to the reference surface M is aligned with an adjacent side of thefixed part 10 and an operative position wherein themovable part 11 is projecting with respect to thefixed part 10, towards the working plane and with respect to the reference surface M, by a length L, which defines and establishes the required leveling height. - The straightedge S can be provided as a single piece with the
movable part 11, from the manufacturing step, or said straightedge S can be provided with a detachable and interchangeable coupling with respect to themovable part 11. - According to the invention, the
movable part 11, on the side opposite to that which slides on thefixed part 10, has a region intended to be detachably and interchangeably coupled with the straightedge element S, providing the section of that region complementary with that of the straightedge S. - According to the invention, the detachable and interchangeable coupling of the region of the
movable part 11 with the straightedge element S, is envisaged by providing this region with a box-like structure whosewalls 113 are independent and elastically-deformable, and free to expand outwards by the effect of a frustoconical wedge-shaped element 16 when it penetrates within said box-like structure, with which cooperatingradial fins 114 adhere to thewalls 113, and of overall conformation complementary to thefrustoconical element 16, so that advancing of thiselement 16, caused by ascrew 17, which can be inserted from the outside on the inner wall 112 of the slidingseat 111 of themovable part 11 and engaging in a through-hole 19 in thefrustoconical element 16, causes outward expansion of thewalls 113 of said box-like structure, which press against the walls of the straightedge S inserted on that region, thereby causing the locking of the straightedge S to said region ofmovable part 11. - This advantageously allows the interchangeability of the straightedge S, of different lengths depending on the various contingent needs of use.
- It is understood, however, that according to non-illustrated embodiment variants, the detachable and interchangeable coupling between the said region of the
movable part 11 and the straightedge element S may be obtained in any other suitable manner, so that their association allows, in any case, the removability and interchangeability of the straightedge S. - The
screw 17 is provided through ahole 18 in themovable part 11 and whose head can be arranged to disappear within a relative seat formed in the wall 112 of themovable part 11, so as not to obstruct the sliding of themovable part 11 on theguide 101 of thefixed part 10. - For the illustrated embodiment, the cross-section of said
region 101 of thefixed part 10 intended to be coupled with themovable part 11 has a T-shaped cross-section, while theseat 111 of themovable part 11 with which theregion 101 is coupled has an essentially U-shaped cross-section, with the ends facing inwards, with two sliding sections that engage within two correspondinglateral grooves 102 formed in the intermediate part of said T, so as to form, together, a sliding guide for themovable part 11. - The section of the
movable part 11 which is projecting with respect to thefixed part 10 towards the working plane and with respect to the reference surface M, for example, marble edging for the illustrated embodiment example, which defines and establishes the leveling height L, corresponds to the thickness of an article to be laid on the leveled application layer, this article consisting of tiles, slabs, or the like, or any other article to be laid, for example self-locking, on the leveled application layer. - The tool can be used to level application layers of the article to be laid, which can consist of any suitable material for application of the article to be laid and suitable for this object, such as concrete, mortar, sand, substrate or other suitable material, for example adhesive or the like.
- The tool can be used to level a concrete layer, for example so-called screed, especially balconies, or floorings in general, in this case, the
fixed part 10 refers, for example, to the marble perimeter edging M, of the balcony. - According to an advantageous characteristic of the invention, the tool can also be used to produce plasterwork for walls in general, by moving the
fixed part 10 to rest against a suitable reference surface, for example, counterframes in the case of plasterwork at the side stiles of window frames, or other suitable reference surfaces in the case of plasterwork on other walls, thus allowing the required leveling of the plaster layer. - It is therefore understood that the present invention can be varied and modified, in its entirety and in its details, depending on the specific requirements and manufacturing and application needs, especially constructively and within the technical and functional equivalents, without abandoning the innovative concept described above and according to the following claims.
Claims (8)
- A tool for leveling a concrete layer or the like in construction work, comprising:- a fixed part (10) intended to be placed against a reference surface (M) with respect to which the required leveling is established;- a movable part (11), able to move with respect to the fixed part (10) from a rest position up to a position of maximum stroke, and configured to adjust and define a required leveling height (L), the movable part (11) being configured to be associated with a straightedge (S) for leveling concrete layers or the like;- locking means (12, 13) for locking the movable part (11) to the fixed part (10) in the position that defines the required leveling height (L),wherein the movable part (11), on the side opposite to that which slides on the fixed part (10), has a coupling region intended to be coupled in a detachable and interchangeable manner with the straightedge (S), with the cross-section of said coupling region complementary to that of the straightedge (S),
characterized in that said coupling region comprises a box-like structure with independent and elastically-deformable walls (113) that are free to expand outwardly due to the movement of a frustoconical wedge-shaped element (16), which penetrates within said box-like structure, wherein said walls (113) are provided with radial fins (114) complementary to the frustoconical element (16), so that the movement of said frustoconical element (16) determined by a screw (17) inserted from the outside through the inner wall (112) of the sliding seat (111) of the movable part (11) and engaging in a hole (19) within the frustoconical element (16), causes the outward expansion of the walls (113) of said box-like structure, which press against the walls of the straightedge (S), thus causing the locking of the straightedge (S) to said coupling region. - A tool according to claim 1, characterized in that the fixed part (10) has a region (101), longitudinally, which is coupled, in a complementary and movable manner, within a corresponding sliding seat (111) of the movable part (11), so that said region (101) of the fixed part (10) constitutes a guide for the translatory motion of said movable part (11) with respect to the fixed part (10).
- A tool according to one or more of the preceding claims, characterized in that said locking means (12, 13) comprise at least one screw (12, 13), which can be inserted from the outside into a respective transverse through-hole (14, 15) of the fixed part (10), so that the tip presses against an internal wall (112) of the sliding seat (111) of the movable part (11), thus resulting in the locking.
- A tool according to one or more of the preceding claims, characterized in that the movable part (11) can assume a rest position wherein at least one of its sides parallel to the reference surface (M) is aligned with an adjacent side of the fixed part (10), and an operative position wherein the movable part (11) is projecting with respect to the fixed part (10), towards the working plane and with respect to the reference surface (M), by a length (L) defining the required leveling height (L).
- A tool according to one or more of the preceding claims, characterized in that the straightedge (S) is provided as a single piece with the movable part (11), or said straightedge (S) is provided with a detachable and interchangeable coupling with respect to the movable part (11).
- A tool according to claim 1, characterized in that said screw (17) extends into a through-hole (18) formed in the movable part (11) and whose head is housed within a relative seat formed in the wall (112) of the movable part (11), in order not to hinder the sliding of the movable part (11) on said region (101) of the fixed part (10).
- A tool according to claim 2, wherein the cross-section of said region (101) of the fixed part (10) intended to be coupled with the movable part (11) has a T-shaped cross-section, while the seat (111) of the movable part (11) with which the region (101) is coupled has an essentially U-shaped cross-section, with the ends facing inwards, with two sliding sections that engage within two corresponding lateral grooves (102) formed in the intermediate part of said T, so as to form a sliding guide for the movable part (11).
- A tool according to claim 4, wherein the section of the movable part (11) projecting with respect to the fixed part (10) towards the working plane and with respect to the reference surface (M) that defines the leveling height (L), corresponds to the thickness of an article to be laid on the levelled application layer.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITUA2016A003472A ITUA20163472A1 (en) | 2016-05-16 | 2016-05-16 | TOOL FOR LEVELING A CEMENTITIOUS OR SIMILAR LAYER IN CONSTRUCTION WORKS |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3246492A1 EP3246492A1 (en) | 2017-11-22 |
EP3246492A8 EP3246492A8 (en) | 2018-02-21 |
EP3246492B1 true EP3246492B1 (en) | 2018-11-28 |
Family
ID=56894187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17170894.4A Active EP3246492B1 (en) | 2016-05-16 | 2017-05-12 | A tool for leveling a concrete layer or the like in construction work |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3246492B1 (en) |
ES (1) | ES2720141T3 (en) |
IT (1) | ITUA20163472A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11656069B2 (en) | 2020-10-26 | 2023-05-23 | Massimo Conte | Grading tools |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4371330A (en) * | 1980-09-22 | 1983-02-01 | W. R. Grace & Co. | Adjustable screed bar apparatus |
US5468095A (en) * | 1993-11-29 | 1995-11-21 | Dawson; Peter J. | Adjustable concrete rod |
US7192216B2 (en) * | 2005-02-25 | 2007-03-20 | Michael Casale | Height adjustable screed and method |
US20100202831A1 (en) * | 2009-02-06 | 2010-08-12 | Partial Assignment to Andrae Parks and Raj Bandre | Adjustable screed |
-
2016
- 2016-05-16 IT ITUA2016A003472A patent/ITUA20163472A1/en unknown
-
2017
- 2017-05-12 ES ES17170894T patent/ES2720141T3/en active Active
- 2017-05-12 EP EP17170894.4A patent/EP3246492B1/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
ES2720141T3 (en) | 2019-07-18 |
ITUA20163472A1 (en) | 2017-11-16 |
EP3246492A1 (en) | 2017-11-22 |
EP3246492A8 (en) | 2018-02-21 |
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