EP3551819A2 - Bauwerkzeug, insbesondere gitter-rabot und verfahren zur herstellung des bauwerkzeugs - Google Patents
Bauwerkzeug, insbesondere gitter-rabot und verfahren zur herstellung des bauwerkzeugsInfo
- Publication number
- EP3551819A2 EP3551819A2 EP17771982.0A EP17771982A EP3551819A2 EP 3551819 A2 EP3551819 A2 EP 3551819A2 EP 17771982 A EP17771982 A EP 17771982A EP 3551819 A2 EP3551819 A2 EP 3551819A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- working
- base body
- longitudinal
- designed
- profile
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G3/00—Attaching handles to the implements
- B25G3/36—Lap joints; Riveted, screwed, or like joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
Definitions
- Construction tool in particular lattice Rabot
- the invention relates to a construction tool, in particular a Rabot for the treatment of plaster or plaster carrier surfaces.
- Rabot which comprises a plate-like base body, in which a plurality of transverse to a longitudinal axis of this body extending working webs are used.
- These working webs are made of a steel flat material and each form a working edge, which is used for processing, in particular smoothing a plaster surface.
- Rabot which has a substantially rectangular-shaped base body, which is formed by numerous, grid-like arranged webs.
- the longitudinal webs are made as Abkantprofile and have a U-shaped cross-section. In the back region of these longitudinal webs openings are formed over which the material removed during the use of the tool can fall off.
- the invention has for its object to provide a construction tool of the aforementioned type, in particular a lattice Rabot, which is characterized by a high structural strength, offers advantages in terms of handling technology over the previous designs and also can be produced even more favorable from production engineering point of view.
- a construction tool in particular Rabot for the treatment of plaster or Putzongdon, with a base body is designed as a lattice structure and several working bars comprises as such form a dipping into a working zone working edge area,
- At least two of the aforementioned working webs are designed as longitudinal limbs of a working zone towards the open U-profile element, wherein at that U-profile element made of a section of the U-profile element Fixierlasche is formed on one of the working zone * opposite back surface of the U -Profilettis rises above this back surface.
- the U-profile is designed such that it has in the extending between the longitudinal legs back area a plurality of preferably rectangular recesses, from which removed by the working webs of the machined plaster surface material can escape to the rear of the lattice Rabot.
- the base body is preferably designed such that it forms a rectangular structure based on typical dimensions of corresponding construction tools.
- the base body is in this case preferably dimensioned such that its length measured in the longitudinal direction is approximately twice as large as the width measured transversely to the longitudinal direction.
- the base body may be formed so that it comprises at least two, preferably three longitudinally extending U-profile elements.
- the base body according to the invention preferably also comprises a plurality of transversely oriented transverse to the longitudinal webs, and welded to the longitudinal webs transverse webs.
- both the longitudinal webs and the transverse webs are provided in the region of the intersections with notching sections and joined together via these correspondingly designed notching sections, so that the working edges defined by the respective webs extend essentially at a working plane level.
- the longitudinal and transverse webs are preferably welded together in the region of the notch portions.
- the corresponding welds are preferably designed as relatively short fillet welds.
- the construction tool according to the invention is provided with a handle device which comprises a handle section, which is located on a side remote from the working zone handle side of the base body.
- This gripping device can be designed in particular as a bow-shaped handle which extends in the longitudinal direction of the base body.
- the handle portion may in this case be provided in particular with a, made of a flat sheet ironing core, said bracket core attached to the integrally formed with the U-profile fixing straps, in particular screwed or riveted or pinned.
- the working edges defined by the base body are preferably provided with an extremely sharp toothing.
- This toothing can be made by fine blanking, rolling, or in particular cutting.
- the fins can be locally hardened.
- this also comprises a construction tool, in particular Rabot for the treatment of plaster or render support surfaces, with a base body which is designed as a lattice structure and several working or transverse webs comprises as such a dipping into a working zone
- Tooth vales which is brought about by jet cutting, the tooth contour and the cutting guide are tuned such that within a
- Starting material plate immerse the tooth tips of a blank in the tooth valleys of the adjacent blank.
- the invention thus also encompasses a method for producing a
- FIG. 1a shows a perspective view of a lattice rabbit according to the invention
- FIG. 1b is a perspective view of a crossbar designed as a U-profile of a lattice bar according to the invention with a fixing tab for the tool handle which is folded out integrally from the sheet metal blank;
- FIG. 1c shows a cross-sectional illustration of the crossbar according to FIG. 1b in the region of the fixing tab
- FIG. 1d is a perspective view of a longitudinal ridge of a lattice rabbet according to the invention designed as a U-profile with a fixing lug for the tool handle which is folded out integrally from the sheet metal blank of the U-profile;
- Figure 2 is a simplified detail to another
- FIG. 3a, 3b and 3c different configurations of the edges of
- FIG. 4 is a simplified illustration for illustrating the
- Figure 5 also a simplified schematic representation of
- FIG. 6 is a schematic illustration for illustrating the
- Figure 7 is a perspective view of another variant of a grid rabbets according to the invention with an employed end edge crosspiece;
- FIG. 8 shows a sketch for illustrating a cutting course in a sheet metal material intended for the production of the U-profiles, wherein this cutting course makes it possible to manufacture two rows of teeth under a reduced proportion of scrap as well as cut length-saving with one cut.
- the construction tool illustrated in FIG. 1 is used to machine plaster or plaster support surfaces and comprises a base body 1, which is designed as a lattice structure and comprises a plurality of working webs 2, 3, 4... 7, which as such form a working edge region AK which dips into a working zone ,
- the construction tool shown here is characterized in that at least two of the aforementioned working webs 2... 7 are designed as longitudinal limbs of a U-profile element open towards the working zone AK.
- This results in a particularly robust design of the construction tool since all the longitudinal limbs are coupled via the back region of the corresponding profile element with a further longitudinal limb and, as a result, a particularly high internal stiffening and structural strength of the base body is achieved.
- U-profile element U2 a made of a section of the U-profile element Fixierlasche F1, F2 is formed, which rises on one of the working zone remote back surface of the U-profile element U2 on this back surface.
- Each U-profile element is preferably designed so that this comprises a running between the longitudinal legs back region R, wherein in this back region R recesses, for example in the form of Georgiaeckaustanzept are formed.
- the fastening tabs F1, F2 provided here for fastening the handle 8 are formed from a sheet metal material section which is erected from a region of the profile element provided for releasing a recess.
- the base body 1 is preferably designed so that it appears in a known manner in a plan view of the working area AK as a rectangular structure.
- the base body 1 is here dimensioned such that its length L measured in the longitudinal direction is approximately twice as large as its width B measured transversely to the longitudinal direction.
- the base body 1 comprises a total of three extending in the longitudinal direction of the same U-profile elements U1, U2, U3 and a plurality (here five), also formed by U-profile elements transverse webs Q1, Q2, Q3, Q4 and Q5.
- the longitudinal profile elements U1, U2 and U3 are joined together with the transverse profile elements Q1, Q2, Q3 via notch sections, so that the working edges AK defined by these webs extend at one and the same working plane level.
- the grid Rabot according to the invention is provided with a handle device 8, the section 8 a comprises a handle, which is located on a side remote from the working area AK handle side of the base body.
- the gripping device 8 is designed as a bow-shaped handle which extends in the longitudinal direction L of the base body.
- the handle section comprises a yoke core, which is made here of a steel sheet and is welded via Abkröpfungsabbalde directly to the back of the central longitudinal profile U2.
- the Fixierlasche is here designed as a rectangular structure, wherein the upper transverse edge F1 K acts as a support surface on which an inner surface of a receiving groove of a handle 8 is intimately present and thus prevents lateral tilting of the handle 8.
- the outer contour of the fixing tab F1, F2 arises directly as a result of the cutting guide made to expose the recess 01.
- the fixing tab F1, F2 can also be reinforced by welding on an additional layer, or by unfolding another tab (in particular possible in the variant according to FIG. 1d).
- the fixing tab F1, F2 in such a way that it represents a planar extension of a working web, in particular a transverse web Q2.
- the fixing tabs F1, F2 integrally with a longitudinal web U2.
- the Fixierlasche F1, F2 is also designed here as a rectangular structure, wherein the upper transverse edge F1 K again acts as a support surface on which an inner surface of a receiving groove of a handle 8 is intimately applied and thus prevents lateral tilting of the handle 8.
- both the longitudinal and the transverse webs 6, 9 are provided with notches 10 and are joined together in the region of these notches.
- the longitudinal and transverse webs are welded together in the region of these notches by the indicated here fillet welds.
- FIG. 3 a the design of the working zone AK of a longitudinal limb is illustrated in a greatly simplified manner as a straight edge.
- FIG. 5 a variant of a lattice rabbet according to the invention is also shown in greatly simplified form, in which a substantially continuous one Longitudinal side edge 7, 2 is achieved by the corresponding longitudinal profile elements and front and rear cross-profile elements have moved out to the edge region of the base body 1.
- FIG. 6 a joining region is again shown in greatly simplified form, as it is realized, for example, between the longitudinal web 4 and the crosspiece Q1.
- the lattice body of the rabbit according to the invention is preferably made of a high-strength steel material, in particular a corrosion-resistant steel material.
- the design of the working edges of the lattice rabbits, in particular the there formed preferably toothing is preferably adapted to the specific application.
- the lattice rabot according to the invention makes it possible to smooth out partially or completely cured plaster surfaces or render support surfaces or even to roughen them with a grain size defined by the toothing of the working webs.
- the grid Rabot according to the invention is suitable with appropriate design of the working edges in particular for roughening plastic surfaces, in particular of insulating, to improve the adhesion of decorative plaster layers.
- the profiles can be welded together from below, and / or from the back, the welds can be designed as short fillet welds, the joint areas of the profiles can be dimensioned so that the joining of the components takes place with a certain pressure and thus before the components the welding process are largely held in the correct position.
- FIG. 7 is shown in the form of a perspective view of another variant of a grid rabbets according to the invention with an employee Stirnkanten- transverse web STL.
- the previous statements apply mutatis mutandis.
- the front edge portion STL forms an integral part of the front, as Abkant- or Biegeumformprofil made cross-member Q5 ' .
- the angle of attack W is preferably in the range of 60 to 75 °.
- the front working edge AK5 extends within the working main plane defined by the other working edges E.
- concedeeck Superiore it is possible to work out advantageous with the inventive tool réelleeck Superiore, as over the front edge portion STL can be penetrated into the innermost corner.
- the main body comprises two longitudinal webs U1, U2 designed as folding profiles and one side end web U3 ' .
- the side gutter is designed as a flat profile and forms a substantially flat longitudinal side surface.
- the longitudinal webs U1, U2, the Soab gleichsteg U3 ' and the transverse webs Q1, Q2 ... Q5 ' are joined together via joining sections and notches and welded together.
- the main body is preferably aligned after assembly of the items and ground in the working edges.
- the lattice body of the rabbit according to the invention is preferably made of a high-strength steel material, in particular a corrosion-resistant steel material.
- the design of the working edges of the lattice rabbits, in particular the there formed preferably toothing is preferably adapted to the specific application.
- the lattice rabot according to the invention makes it possible to smooth out partially or completely cured plaster surfaces or render support surfaces or even to roughen them with a grain size defined by the toothing of the working webs.
- the grid Rabot invention is suitable with appropriate design of the working edges in particular for roughening plastic surfaces, in particular of insulating panels, for improving the adhesion of adhesive layers and decorative plaster layers. It is possible to make the working edges of the lattice Rabts so that even in drywall area smoothing or shaving off Verspachtelungsstellen is possible.
- the construction tool shown here is again characterized in that at least two of the aforementioned working webs are designed as longitudinal limbs of a U-profile element open toward the working zone.
- This results in a particularly robust design of the construction tool since all the longitudinal limbs are coupled via the back region of the corresponding profile element with a further longitudinal limb and, as a result, a particularly high internal stiffening and structural strength of the base body is achieved.
- at the transverse webs Q1, Q5 a from a section of the respective crosspiece forming U-profile element made Fixierlasche F1, F2 formed, which rises on a working zone remote from the back surface of the U-profile element Q1, Q5 on the back surface.
- Each U-profile element is preferably designed so that this comprises a running between the longitudinal legs back region R, wherein in this back region R recesses, for example in the form of Georgiaeckaustanzept are formed.
- the fastening tabs F1, F2 provided here for fastening the handle 8 are formed from a sheet metal material section which is erected from a region of the profile element provided for releasing a recess.
- a cutting head follows a "zig-zag path" which is tuned such that alternately rounded tooth tips and pointed tooth tips result
- the cutting guide according to the invention can also be realized with a wire eroding device.
- the material strips M1, M2 provided for the production of the U-profiles can be cut to form their toothing from a sheet metal material with the least amount of waste.
- the material strips produced in this way can subsequently be erected by plastic deformation ("folding") into the U-profiles according to the invention.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016004410 | 2016-04-14 | ||
PCT/EP2017/000489 WO2017190827A2 (de) | 2016-04-14 | 2017-04-18 | Bauwerkzeug, insbesondere gitter-rabot |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3551819A2 true EP3551819A2 (de) | 2019-10-16 |
Family
ID=59955523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17771982.0A Pending EP3551819A2 (de) | 2016-04-14 | 2017-04-18 | Bauwerkzeug, insbesondere gitter-rabot und verfahren zur herstellung des bauwerkzeugs |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3551819A2 (de) |
DE (1) | DE102017003700A1 (de) |
WO (1) | WO2017190827A2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ2020577A3 (cs) * | 2020-10-23 | 2021-10-27 | Václav Procházka | Nástroj pro zbroušení nerovností aplikované strojní omítky |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US852991A (en) | 1906-12-12 | 1907-05-07 | Roubaud Antoine | Mason's implement. |
US1175512A (en) * | 1915-11-13 | 1916-03-14 | Louis J Flemal | Scraper. |
US2236093A (en) * | 1939-04-27 | 1941-03-25 | Richard N Friend | Surface scraper |
DE29511489U1 (de) * | 1995-07-15 | 1995-09-21 | Altun Buerol | Schleifrabot |
DE20211728U1 (de) | 2002-07-29 | 2002-10-24 | Fatma Yazar | Werkzeug zum Verputzen, Glätten oder Einebnen von Oberflächen |
DE102006057372A1 (de) * | 2006-12-04 | 2008-06-05 | Erich Decker | Bauwerkzeug, insbesondere Gitter-Rabot |
TW201006994A (en) * | 2008-08-15 | 2010-02-16 | Yu-Hua Lin | A cementer tool and manufacturing method thereof |
-
2017
- 2017-04-18 DE DE102017003700.0A patent/DE102017003700A1/de active Pending
- 2017-04-18 WO PCT/EP2017/000489 patent/WO2017190827A2/de active Application Filing
- 2017-04-18 EP EP17771982.0A patent/EP3551819A2/de active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2017190827A3 (de) | 2018-01-04 |
WO2017190827A2 (de) | 2017-11-09 |
DE102017003700A1 (de) | 2018-03-15 |
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