EP2415949A2 - Ausgleichsmesslatte zur Herstellung eines Estrichs - Google Patents

Ausgleichsmesslatte zur Herstellung eines Estrichs Download PDF

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Publication number
EP2415949A2
EP2415949A2 EP11176355A EP11176355A EP2415949A2 EP 2415949 A2 EP2415949 A2 EP 2415949A2 EP 11176355 A EP11176355 A EP 11176355A EP 11176355 A EP11176355 A EP 11176355A EP 2415949 A2 EP2415949 A2 EP 2415949A2
Authority
EP
European Patent Office
Prior art keywords
trunk
substrate
foot
mark
peg
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
EP11176355A
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English (en)
French (fr)
Other versions
EP2415949A3 (de
EP2415949B1 (de
Inventor
Johann Gelot
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.)
Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of EP2415949A2 publication Critical patent/EP2415949A2/de
Publication of EP2415949A3 publication Critical patent/EP2415949A3/de
Application granted granted Critical
Publication of EP2415949B1 publication Critical patent/EP2415949B1/de
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
    • 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

Definitions

  • the invention relates to a leveling rod for producing a concrete screed on a substrate.
  • the invention also relates to an assembly for producing a concrete screed.
  • concrete any mixture of binders with water and, optionally, with inert aggregates or adjuvants, capable of hardening on drying to form a screed.
  • cement screed it includes cement screeds or mortar.
  • the leveling rod of the invention is particularly suitable for the production of floating concrete screeds.
  • Floating concrete screed means a concrete screed cast on a substrate deposited on a floor, the concrete screed not being inked on the ground.
  • the position of the mark of these rods is adjusted with the aid of a laser so that the pins of all pins are at the same height.
  • the liquid concrete is then poured on the substrate and stretched so that it spreads uniformly over the entire substrate.
  • the rods are thus immersed until all the pins are flush with the top of the liquid screed.
  • the casting is then interrupted.
  • the rods are removed from the screed before solidification of the concrete and cleaned so that they can be reused.
  • the surface condition is smoothed by a user using a broom or a finishing bar.
  • Leveling pins known to the depositor are formed of a tripod whose feet are fixed to a slide.
  • the movable marker is formed of a rod slidably mounted within the slider and whose lower end defines the thickness of the concrete screed at the location of the pin on the substrate.
  • the rod is immobilized with a screw housed in the slide or with a compressor seal disposed between the slide and the rod.
  • these rods are generally made of metals such as steel or aluminum.
  • the surface condition of these metals being rough, drying the concrete hangs on these rods.
  • the cleaning time of these rods is important.
  • concrete is housed between the slider and the screw. Thus, when the concrete solidifies, the screw gets stuck.
  • a compressor seal is used, it quickly deteriorates and must therefore be replaced often which represents a cost to the user.
  • these rods are heavy (about 1kg) which makes it difficult to transport a large amount of these rods.
  • the invention aims to solve one or more of these disadvantages.
  • the invention thus relates to a leveling rod according to claim 1.
  • the foot of the pin of the pin described above is fixed to the substrate via the tip which penetrates inside the substrate. As a result, the peg does not move when the liquid concrete is poured onto the substrate.
  • the invention also relates to an assembly for producing a concrete screed according to claim 9.
  • the figure 1 illustrates a set 2 for producing a concrete screed.
  • the assembly 2 comprises a substrate 4 intended to be disposed on the floor of the room in which the concrete screed is made.
  • the substrate 4 makes it possible to mechanically isolate the floor screed on which it rests.
  • the substrate 4 allows the yoke to expand thermally without being constrained by the ground.
  • the substrate 4 advantageously comprises thermal insulation and sound insulation properties.
  • the substrate 4 has a thermal conductivity lower than 0.03W / mK or 0.06W / mK.
  • the Shore hardness on the scale A of the substrate 4 at 20 ° C is between 30 and 99 and advantageously between 30 and 70 or between 30 and 50.
  • the hardness of the substrate 4 can also be expressed in Brinell. In this case, the hardness is approximately between 7 and 20 Brinell, and advantageously between 7 and 15 Brinell or between 7 and 10 Brinell.
  • the substrate 4 is an elastomer.
  • the substrate 4 is a polyurethane plate (not shown in its entirety) whose thickness is less than 20 mm or 40 mm and preferably greater than 1 mm or 10 mm.
  • the position of the marker 9 delimits the thickness of the concrete screed at the location of the pin 6 on the substrate 4.
  • the stud 8 has a foot 10 intended to be placed on the substrate 4.
  • the foot 10 comprises a bottom surface 14 that comes into contact with the substrate 4. This face 14 is advantageously flat so as to be plated on the substrate 4
  • the surface of the face 14 intended to come into contact with the substrate 4 is greater than 3 cm 2 and, preferably, greater than 10 cm 2 to ensure the stability of the pad 8.
  • the foot 10 also comprises an upper face 16 on which rests a lower end of a trunk 12 which extends along an axis 13.
  • the trunk 12 is described below in more detail.
  • the foot 10 is a disc of radius R and height H1.
  • the radius R is between 30mm and 60mm.
  • the radius R is 50mm.
  • the height H1 is between 3mm and 7mm.
  • the height H1 is 5mm.
  • the ratings are given for information only and not limiting, for the realization of a concrete screed whose thickness is less than 150mm. These dimensions may, however, be adjusted by those skilled in the art so as to be able to size the rod 6 for the production of a yoke whose thickness is greater than 150 mm.
  • the dimensions associated with the pad 8 are more visible on the figure 2 .
  • the foot 10 also comprises two points 20, 22 able to penetrate inside the substrate 4 by pressing, when pressing the trunk 12 towards the substrate, to anchor the foot 10 on the substrate 4.
  • These tips 20 , 22 are able to be driven manually into the substrate 4 until the face 14 is in contact with this substrate.
  • the tips 20, 22 are sharp enough that a user does not need to use any tool, such as a hammer, to fully push these points in the substrate 4.
  • These tips 20, 22 thus prevent the displacement of the pin 6 on the substrate 4 when the liquid concrete is poured.
  • the tips 20, 22 extend from the lower face 14 along axes 21, 23, respectively.
  • the axes 21, 23 are perpendicular to the face 14.
  • the axes 21, 23 are contained in a plane P containing the axis 13. Under these conditions, manufacture of the stud 8 by molding is facilitated.
  • the axes 21, 23 and 13 are oriented so that the plane P is a plane of symmetry for the stud 8.
  • the axes 21, 23 and 13 are oriented so that the axis 13 forms an axis of symmetry for the stud 8. In this case, the warpage of the stud 8 manufactured by molding is decreased.
  • the lengths 11 and 12 of the tips, respectively, 20, 22 are greater than or equal to half the thickness of the substrate 4, preferably greater than 0.75 times this thickness.
  • the spikes 20, 22 here have a length l1 and l2 of 18mm.
  • the tips 20, 22 have projections 24 extending radially on the outer periphery of the tips 20, 22 so as to increase the mechanical resistance of the tips 20, 22 to a possible tearing of the stud 8.
  • the trunk 12 and the mark 9 are shaped to allow the sliding of the mark 9 along the trunk 12.
  • the trunk 12 is cylindrical and the mark 9 has a recess 25 in which the trunk 12 is received.
  • the term "cylinder" means a solid whose volume is generated by the translation of a director face along a generator.
  • the leading face is not limited to the case where it is a circle. It can be a square, a triangle, a cross or a face of any shape.
  • the generatrix of the trunk 12 and the axis 13 are merged and are perpendicular to the faces 14 and 16 of the foot 10.
  • the trunk 12 is a right cylinder.
  • H2 denotes the height of the trunk 12 along the axis 13.
  • the height H2 is determined to be greater than the thickness of the yoke to be cast on the substrate.
  • the height H2 is greater than 50mm or 100mm and preferably less than 300mm or 200mm. In this example, the height H2 is 150mm.
  • c1 is the height of the blades 30-33.
  • c2 the width of the blades 30-33.
  • C3 denotes the thickness of the blades 30-33.
  • the blades 30-33 extend over the entire height of the trunk 12. Also, here, the height c1 is 150mm.
  • the width c2 of the blades is included between 1mm and 30mm.
  • the thickness c3 is between 0.9mm and 5mm. In the example, the width c2 and the thickness c3 are equal, respectively, to 9mm and 2mm.
  • the upper ends 35 of the blades 30-33 are bevelled so as to facilitate the introduction of the trunk 12 into the recess 25.
  • the term "upper ends" of the blades 30-33 the ends through which the trunk 12 is introduced in the recess 25.
  • the trunk 12 is formed integrally with the foot 10 and the tips 20, 22 so as to form a single block of material.
  • the stud 8 is made of plastic such as Sinkral (trademark) sold under the reference F332 by Polimeri Europa (trademark).
  • the hardness of the material in which the pad 8 is made is greater and, preferably 1.5 times greater, the hardness of the substrate 4 so that the tips 20, 22 can penetrate inside the substrate 4 without deforming and so that the trunk 12 does not bend under its own weight when the pad 8 is deposited on the substrate 4.
  • the hardness is for example measured using the Brinell scale.
  • the mark 9 is shaped so as to slide along the trunk 12.
  • the mark 9 comprises a ring 44.
  • the inner faces of this ring 44 delimits the recess 25 in which may be introduced the trunk 12.
  • the inner faces of the ring 44 and the outer faces of the trunk 12 have a complementary shape so as to allow the sliding of the mark 9 along the axis 13.
  • the ring 44 has four grooves 46-49 arranged on the inner faces of the ring 44.
  • the grooves 46-49 are intended to receive ribs which extend parallel to the generatrix of the trunk 12 so as to prevent rotation of the ring 44 around the trunk 12.
  • grooves 46-49 are shaped so that when the trunk 12 is introduced into the recess 25 of the mark 9, the blades 30-33 slide, respectively, in the grooves 46-49.
  • the mark 9 is shaped so that it is able to be maintained at an adjustable position only by means of friction between the mark 9 and the trunk 12.
  • the width of the recess 25 in at least one direction of measurement is less than or equal to the thickness of the trunk 12 along the same direction of measurement.
  • the height h2 of the ring 44 in a direction parallel to the axis 13 is greater than 1 mm to ensure good stability.
  • the height h2 of the ring 44 is 7mm.
  • the reference 9 also includes a visual reference allowing the user to define the thickness of the yoke at the level of the pin 6 on the substrate 4.
  • the reference 9 comprises a flange 50 disposed around the ring 44.
  • This collar 50 advantageously extends perpendicular to the outer faces of the ring 44 so that when the trunk 12 is introduced into the recess 25, and the stud 8 is disposed on the substrate 4, the flange 50 is parallel to the face 14 and thus the floor of the room in which is made the concrete screed. Under these conditions, the flange 50 can be positioned using a laser.
  • the flange 50 is circular. Still in the example, the flange 50 and the ring 44 are formed in one piece. To have sufficient stiffness, the thickness h3 of the flange 50 is greater than 1 mm. Here, the thickness h3 is 3mm.
  • the reference 9 is made of a material whose hardness is strictly less than that of the material used to make the blades 30-33.
  • the mark 9 is made of plastic.
  • the hardness on the Brinell scale of the material in which the mark 9 is made is less than 20, preferably less than 15 or 10.
  • the material used to make the mark 9 is Exxtral (registered trademark). sold under the reference HMU208100000 by Exxon Mobil (trademark).
  • the mark 9 is made by molding.
  • the figure 6 illustrates a variant 80 of the reference 9.
  • This variant 80 is identical to the mark 9 except that the ring 44 is replaced by a ring 82 in which the grooves 46-49 are omitted. In this case, the rotation of the ring 70 around the trunk 12 is allowed.
  • Foot 10 is not necessarily a disc.
  • the foot 10 can have any type of shape.
  • the flange 50 is necessarily circular.
  • More than two tips may be used to anchor the foot 10 on the substrate 4. Similarly, only one tip may be used. In this case, this tip preferably extends along the axis 13. In a variant, the tips do not all extend in the same plane P.
  • the stud and / or the marker are not necessarily made of plastic.
  • the stud may be made of metal.
  • the weight of the freelancer remains less than 1 kg and, advantageously, 350 g.
  • the projections and recesses of the trunk 12 and the mark 9 allowing the sliding of the mark 9 on the trunk 12 can be interchanged with each other.
  • the number of protrusions and recesses may be different from four.
  • the ribs and grooves of the trunk 12 and the mark 9 does not allow the rotation of the mark 9 on the trunk 12 can be interchanged with each other.
  • the number of ribs and grooves can be different from four.
  • a circlip or the like may be disposed around the trunk 12 under the reference 9, in support, so as to maintain the mark on the body in a predetermined position.
  • the user elastically deforms the ring 44 when the trunk 12 is introduced into the recess 25.
  • the friction forces occurring between the mark 9 and the trunk 12 are increased, which makes it possible to further improve the maintenance of the reference mark 9 on the trunk 12.
  • the introduction of the trunk 12 into the recess 25 is facilitated.
  • Holes for receiving the tips 20, 22 may be preformed in the substrate 4 before the depression of the pin in this substrate. In this case, the hardness of the tips does not need to be greater than the hardness of the substrate.
  • the trunk 12 may comprise protuberances or graduations extending on the outer periphery of the trunk 12 so as to increase the friction exerted between the reference 9 and the trunk 12. These protuberances extend for example on the outer faces of the blades 30-33, perpendicular to the generator of the trunk 12.
  • the use of the rod 6 is not limited to the production of floating concrete screed.
  • the rod 6 can be used for the realization of any type of screed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Road Paving Machines (AREA)
  • Toys (AREA)
EP11176355.3A 2010-08-04 2011-08-02 Ausgleichsmesslatte zur Herstellung eines Estrichs Active EP2415949B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1056435A FR2963629B1 (fr) 2010-08-04 2010-08-04 Pige de nivellement pour la realisation d'une chape de beton

Publications (3)

Publication Number Publication Date
EP2415949A2 true EP2415949A2 (de) 2012-02-08
EP2415949A3 EP2415949A3 (de) 2014-12-10
EP2415949B1 EP2415949B1 (de) 2016-05-18

Family

ID=43598500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11176355.3A Active EP2415949B1 (de) 2010-08-04 2011-08-02 Ausgleichsmesslatte zur Herstellung eines Estrichs

Country Status (2)

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EP (1) EP2415949B1 (de)
FR (1) FR2963629B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020105016U1 (de) 2020-06-19 2021-06-22 La Boutique Du Chapiste Verbesserter Nivellierstab für Betonestrich
FR3121698A1 (fr) * 2021-04-09 2022-10-14 Zifort Plot de nivellement pour la réalisation d’une chape de béton ayant une pince de serrage pourvue d’une partie de repérage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110259036B (zh) * 2019-07-05 2021-11-26 变形积木(北京)装饰工程有限公司 一种地面找平方法
DE102020123727B4 (de) * 2020-09-11 2022-08-11 Christoph Wagner Markierungsvorrichtung und Verfahren zur Höhenmarkierung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US414131A (en) 1889-10-29 Meat-cutting machine
US20040168330A1 (en) 2001-06-12 2004-09-02 Kim Jin Sul Levelling rod for building construction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT263324B (de) * 1964-02-07 1968-07-25 Heinz Wolf Vorrichtung zum Ebnen und Glätten der Oberfläche von Betondecken
US3346230A (en) * 1964-07-15 1967-10-10 Accessories Mfg Corp Const Pipe sleeve
US4141310A (en) * 1977-09-14 1979-02-27 Rich Jr Rodney W Poured floor level indicator
DE3000014A1 (de) * 1980-01-02 1981-07-09 Gebr. Seifert GmbH & Co, 5880 Lüdenscheid Abstandhalter fuer bewehrungseinlagen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US414131A (en) 1889-10-29 Meat-cutting machine
US20040168330A1 (en) 2001-06-12 2004-09-02 Kim Jin Sul Levelling rod for building construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020105016U1 (de) 2020-06-19 2021-06-22 La Boutique Du Chapiste Verbesserter Nivellierstab für Betonestrich
FR3111652A1 (fr) 2020-06-19 2021-12-24 La Boutique Du Chapiste Pige de nivellement amelioree pour chape de beton
FR3121698A1 (fr) * 2021-04-09 2022-10-14 Zifort Plot de nivellement pour la réalisation d’une chape de béton ayant une pince de serrage pourvue d’une partie de repérage

Also Published As

Publication number Publication date
FR2963629B1 (fr) 2013-07-05
EP2415949A3 (de) 2014-12-10
EP2415949B1 (de) 2016-05-18
FR2963629A1 (fr) 2012-02-10

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