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 PDF

Info

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
Application number
EP17170894.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3246492A1 (en
EP3246492A8 (en
Inventor
Daniele Lombardo
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.)
Rossitto Marco Donato
Original Assignee
Rossitto Marco Donato
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 Rossitto Marco Donato filed Critical Rossitto Marco Donato
Publication of EP3246492A1 publication Critical patent/EP3246492A1/en
Publication of EP3246492A8 publication Critical patent/EP3246492A8/en
Application granted granted Critical
Publication of EP3246492B1 publication Critical patent/EP3246492B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
EP17170894.4A 2016-05-16 2017-05-12 A tool for leveling a concrete layer or the like in construction work Active EP3246492B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA2016A003472A ITUA20163472A1 (it) 2016-05-16 2016-05-16 Attrezzo per livellare uno strato cementizio o simili in lavori di edilizia

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 (es)
ES (1) ES2720141T3 (es)
IT (1) ITUA20163472A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11656069B2 (en) 2020-10-26 2023-05-23 Massimo Conte Grading tools

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ITUA20163472A1 (it) 2017-11-16
ES2720141T3 (es) 2019-07-18
EP3246492A1 (en) 2017-11-22
EP3246492A8 (en) 2018-02-21

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