EP3124718A1 - Werkzeug zum glätten oder für die marouflage - Google Patents

Werkzeug zum glätten oder für die marouflage Download PDF

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Publication number
EP3124718A1
EP3124718A1 EP16181734.1A EP16181734A EP3124718A1 EP 3124718 A1 EP3124718 A1 EP 3124718A1 EP 16181734 A EP16181734 A EP 16181734A EP 3124718 A1 EP3124718 A1 EP 3124718A1
Authority
EP
European Patent Office
Prior art keywords
smoothing
lip
tool
support member
longitudinal
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.)
Withdrawn
Application number
EP16181734.1A
Other languages
English (en)
French (fr)
Inventor
Gérard Rolle
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.)
Marquardt SA
Original Assignee
Marquardt 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 Marquardt SA filed Critical Marquardt SA
Publication of EP3124718A1 publication Critical patent/EP3124718A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E04F21/16—Implements for after-treatment of plaster or the like before it has hardened or dried, e.g. smoothing-tools, profile trowels
    • E04F21/161—Trowels

Definitions

  • the present invention relates to a tool for smoothing or marouflage and a method of manufacturing this tool.
  • the rigidity of the metal blades although these tend to bend slightly under the effect of the user's support force, may have the disadvantage, if this effort exerted by the user is important, to cause more raking of the coating than smoothing it. This results in a lower quality of the surface of the coating after the tool has passed: small thickness, irregularities, etc.
  • the present invention aims to overcome this disadvantage by providing a coating tool for spreading a coating without scraping.
  • the subject of the present invention is a smoothing or marouflaging tool comprising a support member and a longitudinal smoothing lip supported by the support member, the smoothing lip being made of plastic or elastomer, characterized in that the support member comprises a projection extending along at least half the width of the smoothing lip to a bending edge for bending the smoothing lip.
  • the tool according to the invention offers the possibility of uniformly spreading a coating, without removing it completely, leaving a desired thickness.
  • the smoothing lip, plastic or elastomeric is flexible, easily deformable, and folds easily during use, which avoids scraping the coating.
  • the advance which extends over at least half of the width of the flexible smoothing lip and whose bending edge presses on the flexible lip puts it in cantilever, and causes in reaction an elastic pivot effect of the lip around the bending edge, so that the free end of the lip strongly presses the coating so as to spread quality.
  • the support member has a lower surface
  • the smoothing lip comprises a lower smoothing surface arranged in the extension of the lower surface of the support member.
  • This characteristic allows a flat smoothing and a good distribution of the coating.
  • the lower smoothing surface is free and extends at least partially under the advancing of the support member.
  • This lower smoothing surface, being free, is more easily deformed. This improves the booster effect of the free end of the lip, thus the quality of the spreading of the coating.
  • the lower surface of the support member and the projection are separated by a shoulder, and the smoothing lip has a longitudinal side fixed to this shoulder.
  • the advance has, between the bending edge and the shoulder, a lower bearing surface, and the smoothing lip has an upper surface fixed to this lower bearing surface.
  • the bending edge is substantially rectilinear.
  • This feature improves the flatness of the coating resulting from smoothing.
  • the smoothing lip has a first longitudinal portion, and a second longitudinal portion having a decreasing thickness from the first longitudinal portion to a free longitudinal smoothing edge, the advance extending only beyond above the first longitudinal portion.
  • the bending edge extends at the level of the boundary between the first and the second longitudinal portion of the smoothing lip.
  • the bending edge bends where the thickness of the smoothing lip begins to decrease. This allows for greater sagging of the thin portion of the smoothing lip, that is to say the second portion, during use, to obtain a flat smoothing preserving a thickness of coating, without raking it.
  • the advance has an upper surface on which is provided a concavity for receiving the fingers of a user.
  • This feature advantageously allows the user to feel the touch the appropriate effort to apply. This results in the possibility of performing a significantly improved quality smoothing, for any type of coating and coated surface.
  • the invention also relates to a method of manufacturing a tool having the aforementioned characteristics, wherein the support member and the smoothing lip are coextruded
  • This method has the advantage of allowing the manufacture of the tool according to the invention quickly and at lower cost.
  • the figure 1 shows a smoothing tool 1 according to one embodiment of the invention.
  • This smoothing tool 1 is intended to smooth a product such as a coating or an adhesive.
  • the tool 1 according to the invention is thus for example for the smoothing of plaster, tile joint, marouflage, including glass cloths, wallpapers, thermal insulation coating from the outside, etc.
  • the smoothing tool 1 comprises a support member 2 and a longitudinal smoothing lip 4 supported by the support member 2.
  • the support member 2 is for example a profile. It is made of a rigid material, for example a rigid PVC.
  • the support member 2 here comprises a sole portion 6, having in particular a lower surface 8 which can be substantially flat, and moreover an upper surface 10 which is advantageously substantially convex.
  • the support member 2 may further comprise a portion 12 of gripping, allowing either the attachment of a handling boom, or a manual entry by a user, to manipulate the tool 1.
  • the gripping portion 12 is advantageously connected to the sole portion 6 by an intermediate connecting portion 14, delimiting in particular between the sole portion 6 and the gripping portion 12 one or two concavities 16 allowing a wide range of angular adjustment of the inclination of a pole on the portion 12 of gripping.
  • the portion 12 of gripping advantageously has a circular section, more particularly from one to the other of the concavities 16, between them; this gripping portion 12 is for example cylindrical.
  • this allows a plurality of possible relative positions of a pole on this portion 12 of gripping, the boom can be fixed by means of jaws for tightening around the portion 12 of gripping.
  • the gripping portion 12 may advantageously comprise ridges 18, which may be substantially parallel to each other, and parallel to a longitudinal axis A passing through the center of the portion 12 of gripping. These ridges 18 advantageously make it possible to limit any unexpected relative sliding of the pole relative to the portion 12 of grip. These grooves 18 are particularly suitable for use with a pole whose jaws intended to close on the portion 12 of gripping comprise a deformable material such as an elastomeric material which will be housed in the grooves defined between the grooves 18.
  • the intermediate portion 14 of connection is of lesser thickness, that is to say of width L substantially less than a diameter of the portion 12 of gripping, preferably a radius of the portion 12 of gripping.
  • the support member 2 is advantageously one and the same piece.
  • the smoothing lip 4 is made of a flexible, deformable material intended to flex under the effect of a force exerted by the user during use of the tool 1 for smoothing or marouflaging.
  • the smoothing lip 4 is made of plastic or elastomer.
  • the smoothing lip 4 promotes a display of the coating without raking it, unlike what can happen with metal blades.
  • the smoothing lip 4 extends longitudinally along one side of the support member 2, in particular of the sole portion 6, which is here a side opposite to that where the portion 12 extends. grasping. Preferably, the smoothing lip 4 extends all along one side of the support member 2.
  • the smoothing lip 4 has a lower smoothing surface for smoothing or marbling a coating, and an upper surface 22 opposite to the lower surface.
  • the smoothing lip 4 has a free front longitudinal edge 24 for smoothing or marouflaging a coating, and a rear longitudinal edge 26 opposite to the free front longitudinal edge 24.
  • the support member 2 and the smoothing lip 4 are preferably coextruded.
  • the support member 2 and the smoothing lip 4 can therefore be produced simultaneously by coextrusion and hot-assembled at the die outlet. Coextrusion allows for quick manufacturing at a lower cost.
  • this technique offers the possibility of making tools 1 of different lengths by the same method, by cutting the profile obtained according to a plurality of predetermined working lengths for the tool 1.
  • the tool 1 has a projection 28 which extends over the smoothing lip 4 over at least half of the width 1 of the smoothing lip 4 to a deflection edge for deflection. lip 4 of smoothing during a smoothing operation or marouflage.
  • the bending edge 30 is preferably rigid, as opposed to the smoothing lip 4.
  • the edge 30 is advantageously rectilinear, and substantially parallel to the direction in which the lip 4 of smoothing extends longitudinally.
  • the advance 28 extends along the side of the support member 2 where the smoothing lip 4 is located, along this smoothing lip 4, preferably over the entire length thereof.
  • the bending edge 30 is arranged substantially equidistant from the front longitudinal edge 24 and the rear longitudinal edge 26 of the smoothing lip 4, or closer to the longitudinal edge 24 before the rear longitudinal edge 26.
  • the projection 28 extends here from a shoulder 32 of the lower surface 8 of the sole portion 6 to the bending edge 30.
  • the rear longitudinal edge 26 of the smoothing lip 4 is here in abutment against the shoulder 32, preferably integral with the latter to promote rearward traction of the lip 4 during use.
  • the distance separating the shoulder 32 from the bending edge 30 is substantially greater than or equal to half the width of the smoothing lip 4.
  • Advantage 28 advantageously has a lower bearing surface 34 which covers at least half of the upper surface 22 of the smoothing lip 4.
  • the upper surface 22 may be integral with the lower bearing surface 34.
  • the upper surface 22 and the lower bearing surface 34 are advantageously flat.
  • the lower surface 34 extends in particular from the shoulder 32 to the bending edge 30.
  • the shoulder 32 may be substantially perpendicular to the lower surface 8 and / or the lower bearing surface 34.
  • the lower bearing surface 34 may be substantially parallel to the lower smoothing surface and / or the lower surface 8.
  • the lower smoothing surface is preferably arranged in the extension of the lower surface 8 of the support member 2.
  • this lower smoothing surface and the lower surface 8 of the sole portion 6 are, when the tool 1 is not used, substantially coplanar. These surfaces 20, 8 may further be adjacent, that is to say in the continuity of one another.
  • the lower smoothing surface is free and extends under at least a portion of the projection 28.
  • the lower smoothing surface is completely free, that is, without contact with another element. of the tool 1, in particular between the two longitudinal edges 24, 26 of the smoothing lip 4.
  • the smoothing lip 4 may be in two parts: the smoothing lip 4 may have a first longitudinal portion 36 and a second longitudinal portion 38, this second longitudinal portion 38 having a thickness e decreasing from the first portion 36 longitudinally adjacent to the front longitudinal edge 24.
  • the two longitudinal portions 36, 38 are substantially parallel to the longitudinal direction in which the smoothing lip 4 extends. Advance 28 further extends only above the first longitudinal portion 36.
  • the first portion 36 here has a thickness e sensibement constant.
  • the longitudinal portion 36 may have a rectangular parallelepiped shape, while the second portion 38 has the shape of a triangular prism.
  • the thickness of the first longitudinal portion 36 may be substantially similar to the distance between the lower bearing surface 34 and the lower surface 8, or at the height of the shoulder 32.
  • the projection 28 may advantageously have an upper surface 40 on which is provided a concavity 42 for receiving the fingers of a user.
  • the upper surface 40 in particular the concavity 42, may have grooves 46 or ribs substantially parallel to each other and parallel to the direction in which the lip 4 extends longitudinally smoothly and / or parallel to the edge 30 of sagging.
  • the ridges or ribs may also extend over a convex portion 44 before the top surface which is adjacent to the concavity 42.
  • the ridges or ribs on the concavity 42 and optionally on the forward convex portion 44 of the surface 10 superior avoid sliding a user's fingers.
  • the invention also relates to a method of manufacturing a tool 1 having all or some of the features described above, wherein the support member 2 and the smoothing lip 4 are obtained by a coextrusion step.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Coating Apparatus (AREA)
EP16181734.1A 2015-07-28 2016-07-28 Werkzeug zum glätten oder für die marouflage Withdrawn EP3124718A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1557222A FR3039575B1 (fr) 2015-07-28 2015-07-28 Outil de lissage ou marouflage

Publications (1)

Publication Number Publication Date
EP3124718A1 true EP3124718A1 (de) 2017-02-01

Family

ID=54186174

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16181734.1A Withdrawn EP3124718A1 (de) 2015-07-28 2016-07-28 Werkzeug zum glätten oder für die marouflage

Country Status (2)

Country Link
EP (1) EP3124718A1 (de)
FR (1) FR3039575B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3078354A1 (fr) * 2018-02-27 2019-08-30 Marquardt Outil de lissage ameliore
DE102018125602B4 (de) 2017-10-16 2024-03-28 Etablissements Bougrelle Spachtel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2116734U (zh) * 1991-10-16 1992-09-23 邹少波 高弹性刮板
CN201447855U (zh) * 2009-04-28 2010-05-05 叶春全 喂料式抹灰器抹灰板
DE202009017282U1 (de) * 2009-06-25 2010-11-04 Babaev, Azer Abziehleiste

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2116734U (zh) * 1991-10-16 1992-09-23 邹少波 高弹性刮板
CN201447855U (zh) * 2009-04-28 2010-05-05 叶春全 喂料式抹灰器抹灰板
DE202009017282U1 (de) * 2009-06-25 2010-11-04 Babaev, Azer Abziehleiste

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018125602B4 (de) 2017-10-16 2024-03-28 Etablissements Bougrelle Spachtel
FR3078354A1 (fr) * 2018-02-27 2019-08-30 Marquardt Outil de lissage ameliore

Also Published As

Publication number Publication date
FR3039575A1 (fr) 2017-02-03
FR3039575B1 (fr) 2018-06-01

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