EP1174054A1 - Method and apparatus for smoothing and reducing the hygroscopicity of the surface of a concrete construction element - Google Patents

Method and apparatus for smoothing and reducing the hygroscopicity of the surface of a concrete construction element Download PDF

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Publication number
EP1174054A1
EP1174054A1 EP01117018A EP01117018A EP1174054A1 EP 1174054 A1 EP1174054 A1 EP 1174054A1 EP 01117018 A EP01117018 A EP 01117018A EP 01117018 A EP01117018 A EP 01117018A EP 1174054 A1 EP1174054 A1 EP 1174054A1
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European Patent Office
Prior art keywords
brush
concrete components
concrete
holding
motor
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EP01117018A
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German (de)
French (fr)
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Richard Scheuerlein
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/06—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving conveyor belts, a sequence of travelling work-tables or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3093—Brush with abrasive properties, e.g. wire bristles

Definitions

  • the invention relates to a method and a device for smoothing and reducing the hygroscopy of a surface of Concrete components, in particular of concrete and terazo slabs and stones and levels.
  • Concrete components in particular concrete and terazo slabs, stones or stages are untreated or by different known methods such.
  • the object underlying the invention is a method and an apparatus of the type mentioned to create the desired surface finish can be achieved in a simple manner.
  • the inventive device for performing the inventive The method is the subject of claim 5.
  • Fig. 1 is a side view of a first embodiment the device according to the invention and Fig. 2 is a partial side view a second embodiment of the invention Contraption.
  • the first embodiment shown in FIG Device according to the invention for treating a surface, namely the usable area, of concrete components, in particular of Concrete and terazo slabs, stones and steps include one Conveyor 1, which is attached to a bridge stand 2.
  • the Conveyor 1 is designed so that the concrete components to be treated 6 transported with their surface to be treated to the outside can be.
  • the concrete components 6 is adjustable in height on the bridge stand 2 and Z.
  • the plate brush 5 is preferably a brush with plastic or metal, especially steel bristles, also with can be provided with an abrasive grain. Preferably acts stainless steel bristles.
  • the design of the conveyor 1 is such that the feed speed of the concrete components to be treated 6 adjustable is, so this at an adjustable speed below the brush 5 can be passed. Also the contact pressure the brush 5 is over the height adjustable support 3 adjustable so that the feed speed of the concrete components 6 and the pressure of the brush 5 depending on the nature and material of the concrete components 6 set and can be customized.
  • the speed of the brush 5 is set so that the brush has a peripheral speed from 5 to 300, in particular 25 to 40 m / s.
  • Concrete components for example concrete or terazo slabs 6 with untreated or by milling, grinding and / or blasting pretreated rough surface that has a blunt roughness shows are set by the conveyor 1 with a corresponding Feed speed under the respective brush system 5, 7 performed that with the peripheral speed indicated above rotates.
  • the surface of the concrete components 6 By machining the surface of the concrete components 6 with the help of the rotating brushes 5, 7, the surface is smoothed achieved, which is similar to a polished surface is. For unprocessed or blasted concrete components thereby the dull roughness of the surface in a greasy shiny Roughness is converted without losing the surface unevenness be eliminated.
  • This procedure does not only allow editing of flat surfaces, but also of structured surfaces without removing the structures as well as machining corrugated or spherical surfaces.
  • a particular advantage of the brush treatment process is that the exposed grain and the between the grains of deeper fine particles are smoothed and pore densification is thereby achieved. That has in particular Effects on the hygroscopic properties of the surface, which are significantly lower, so that at a later date sealing or a subsequent paint application a smaller order quantity is needed, which is a shortened setting time.
  • a single brush to treat the surface of each Concrete components related and was on the corresponding device only one such brush is provided.
  • the Method according to the invention and the device according to the invention can also work with multiple brushes, each with own motors are attached to a support or driven together via a common drive system become. If several brushes are provided, they can be combined Be roller and plate brushes.
  • the device according to the invention as table machines, where a table is provided which is a concrete component or holding several concrete components to process their surface and the brush on a bridge over the table like this is arranged that it with the surface to be treated or the concrete components can come into contact.
  • the relative movement between the brush and the concrete component to be machined can be moved either by placing the table under the brush is achieved or that the table is firmly arranged and the bridge with the brush attached to it is movable over the table.

Abstract

The concrete slabs or tiles (6) etc to be treated are moved on a conveyor (1) with their surface for treating facing upwards. A motor-driven brush (5) above the conveyor is vertically adjustable on a machine stand support to sweep the surface as the slabs pass along. The final finished surface has lower hygroscopic properties the contact pressure of the brushes is adjustable.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Glätten und Reduzieren der Hygroskopie einer Oberfläche von Betonbauteilen, insbesondere von Beton- und Terazzoplatten,-steinen und -stufen.The invention relates to a method and a device for smoothing and reducing the hygroscopy of a surface of Concrete components, in particular of concrete and terazo slabs and stones and levels.

Betonbauteile, insbesonde Beton- und Terazzoplatten,-steine oder -stufen werden unbehandelt oder durch verschiedene bekannte Verfahren, wie z. B. Fräsen, Schleifen und/oder Strahlen behandelt mit feiner oder rauher Oberfläche hergestellt, die eine feine oder stumpfe Rauheit zeigt. Es ist weiterhin üblich, derartige Betonbauteile nachträglich zu versiegeln oder mit einem Lackauftrag gegen das Eindringen von Feuchtigkeit zu versehen.Concrete components, in particular concrete and terazo slabs, stones or stages are untreated or by different known methods such. B. milling, grinding and / or blasting treated with a fine or rough surface which shows a fine or dull roughness. It is still common to subsequently seal such concrete components or with a varnish to prevent the ingress of moisture Mistake.

Die der Erfindung zugrunde liegende Aufgabe besteht darin, ein Verfahren und eine Vorrichtung der eingangs genannten Art zu schaffen, mit denen die gewünschte Veredelung der Oberfläche in einfacher Weise erzielt werden kann.The object underlying the invention is a method and an apparatus of the type mentioned to create the desired surface finish can be achieved in a simple manner.

Diese Aufgabe wird nach dem erfindungsgemäßen Verfahren dadurch gelöst, dass die Oberfläche der unbehandelten Betonbauteile oder der mit stumpfrauer Oberfläche vorbehandelten Bauteile bürstenbearbeitet wird.This object is achieved by the method according to the invention solved that the surface of the untreated concrete components or components pretreated with a rough surface is brushed.

Bevorzugte Ausgestaltungen und Weiterbildungen des erfindungsgemäßen Verfahrens sind Gegenstand der Ansprüche 2 bis 4.Preferred refinements and developments of the invention Procedures are the subject of claims 2 to 4.

Die erfindungsgemäße Vorrichtung zur Durchführung des erfindungsgemäßen Verfahrens ist Gegenstand des Anspruchs 5.The inventive device for performing the inventive The method is the subject of claim 5.

Besonders bevorzugte Ausgestaltungen und Weiterbildungen der erfindungsgemäßen Vorrichtung sind Gegenstand der Ansprüche 6 bis 14.Particularly preferred refinements and developments the device according to the invention are the subject of the claims 6 to 14.

Im Folgenden werden anhand der zugehörigen Zeichnung besonders bevorzugte Ausführungsbeispiele der Erfindung näher beschrieben.The following are special with the help of the associated drawing preferred embodiments of the invention described in more detail.

Es zeigenShow it

Fig. 1 eine Seitenansicht eines ersten Ausführungsbeispiels der erfindungsgemäßen Vorrichtung und Fig. 2 eine Teilseitenansicht eines zweiten Ausführungsbeispiels der erfindungsgemäßen Vorrichtung.Fig. 1 is a side view of a first embodiment the device according to the invention and Fig. 2 is a partial side view a second embodiment of the invention Contraption.

Das in Fig. 1 dargestellte erste Ausführungsbeispiel der erfindungsgemäßen Vorrichtung zum Behandeln einer Oberfläche, nämlich der Nutzfläche, von Betonbauteilen, insbesondere von Beton- und Terazzoplatten, -steinen und -stufen umfaßt einen Förderer 1, der an einem Brückenständer 2 angebracht ist. Der Förderer 1 ist so ausgebildet, dass die zu behandelnden Betonbauteile 6 mit ihrer zu behandelnden Oberfläche nach außen befördert werden können.The first embodiment shown in FIG Device according to the invention for treating a surface, namely the usable area, of concrete components, in particular of Concrete and terazo slabs, stones and steps include one Conveyor 1, which is attached to a bridge stand 2. The Conveyor 1 is designed so that the concrete components to be treated 6 transported with their surface to be treated to the outside can be.

Über der Förderebene, d. h. über der zu behandelnden Oberfläche der Betonbauteile 6 ist am Brückenständer 2 ein höhenverstellbar und z. B. oszillierender Support 3 mit einem Elektromotor 4 angeordnet, auf dessen Motorwelle eine Tellerbürste 5 sitzt.Above the funding level, i.e. H. over the surface to be treated the concrete components 6 is adjustable in height on the bridge stand 2 and Z. B. oscillating support 3 with an electric motor 4 arranged, on the motor shaft a plate brush 5 sits.

Die Tellerbürste 5 ist vorzugsweise eine Bürste mit Kunststoff- oder Metall-, insbesondere Stahlborsten, die auch mit einer Schleifkörnung versehen sein können. Vorzugsweise handelt es sich um Edelstahlborsten.The plate brush 5 is preferably a brush with plastic or metal, especially steel bristles, also with can be provided with an abrasive grain. Preferably acts stainless steel bristles.

Die Ausbildung des Förderers 1 ist derart, dass die Vorschubgeschwindigkeit der zu behandelnden Betonbauteile 6 regelbar ist, so dass diese mit einer regelbaren Geschwindigkeit unter der Bürste 5 hindurchgeführt werden können. Auch der Anpressdruck der Bürste 5 ist über den höhenverstellbaren Support 3 regelbar, so dass die Vorschubgeschwindigkeit der Betonbauteile 6 und der Anpressdurck der Bürste 5 in Abhängigkeit von der Beschaffenheit und dem Material der Betonbauteile 6 eingestellt und angepasst werden können. Die Drehzahl der Bürste 5 ist so eingestellt, dass die Bürste eine Umfangsgeschwindigkeit von 5 - 300, insbesondere 25 bis 40 m/s hat.The design of the conveyor 1 is such that the feed speed of the concrete components to be treated 6 adjustable is, so this at an adjustable speed below the brush 5 can be passed. Also the contact pressure the brush 5 is over the height adjustable support 3 adjustable so that the feed speed of the concrete components 6 and the pressure of the brush 5 depending on the nature and material of the concrete components 6 set and can be customized. The speed of the brush 5 is set so that the brush has a peripheral speed from 5 to 300, in particular 25 to 40 m / s.

Bei dem in Fig. 2 dargestellten Ausführungsbeispiel ist wie bei dem in Fig. 1 dargestellten Ausführungsbeispiel ein Förderer 1 vorgesehen, auf dem die zu bearbeitenden Betonbauteile 6 befördert werden. Im Unterschied zu dem in Fig. 1 dargestellten Ausführungsbeispiel ist bei dem in Fig. 2 dargestellten Ausführungsbeispiel jedoch keine Tellerbürste 5, sondern eine Walzenbürste (7) vorgesehen, die in der gleichen Weise wie beim Ausführungsbeispiel 1 gehalten ist.In the embodiment shown in Fig. 2 is as in the embodiment shown in Fig. 1 Conveyor 1 is provided on which the concrete components to be processed 6 are promoted. In contrast to that shown in Fig. 1 Embodiment is in that shown in Fig. 2 Embodiment, however, not a plate brush 5, but a roller brush (7) provided in the same way as in embodiment 1.

Die beiden oben beschriebenen Ausführungsbeispiele der erfindungsgemäßen Vorrichtung arbeiten in der folgenden Weise:The two exemplary embodiments described above Device according to the invention operate in the following way:

Betonbauteile beispielsweise Beton- oder Terazzoplatten 6 mit unbehandelter oder durch Fräsen, Schleifen und/oder Strahlen vorbehandelter rauher Oberfläche, die eine stumpfe Rauheit zeigt, werden durch den Förderer 1 mit einer entsprechend eingestellten Vorschubgeschwindigkeit unter dem jeweiligen Bürstensystem 5, 7 durchgeführt, das mit der oben angegebenen Umfangsgeschwindigkeit rotiert.Concrete components, for example concrete or terazo slabs 6 with untreated or by milling, grinding and / or blasting pretreated rough surface that has a blunt roughness shows are set by the conveyor 1 with a corresponding Feed speed under the respective brush system 5, 7 performed that with the peripheral speed indicated above rotates.

Durch die Bearbeitung der Oberfläche der Betonbauteile 6 mit Hilfe der rotierenden Bürsten 5, 7 wird eine Oberflächenglättung erzielt, die einer feingeschliffenen Fläche ähnlich ist. Bei unbearbeiteten oder gestrahlten Betonbauteilen wird dabei die stumpfe Rauheit der Oberfläche in eine speckig glänzende Rauheit umgewandelt, ohne dass dabei die Oberflächenunebenheiten beseitigt werden.By machining the surface of the concrete components 6 with the help of the rotating brushes 5, 7, the surface is smoothed achieved, which is similar to a polished surface is. For unprocessed or blasted concrete components thereby the dull roughness of the surface in a greasy shiny Roughness is converted without losing the surface unevenness be eliminated.

Dieses Verfahren gestattet nicht nur die Bearbeitung von ebenen Oberflächen, sondern auch von strukturierten Oberflächen ohne die Strukturen zu beseitigen sowie die Bearbeitung von gewellten bzw. kugeligen Oberflächen.This procedure does not only allow editing of flat surfaces, but also of structured surfaces without removing the structures as well as machining corrugated or spherical surfaces.

Ein besonderer Vorteil des Bürstenbehandlungsverfahrens besteht darin, dass die freiliegende Körnung und die zwischen den Körnungen tiefer liegenden Feinanteile geglättet werden und dabei eine Porenverdichtung erzielt wird. Das hat insbesondere Auswirkungen auf die hygroskopischen Eigenschaften der Oberfläche, die deutlich geringer sind, so dass bei einer nachträglich erfolgenden Versiegelung oder aber einem nachträglichen Lackauftrag eine geringere Auftragsmenge benötigt wird, was eine verkürzte Abbindezeit zur Folge hat.A particular advantage of the brush treatment process is that the exposed grain and the between the grains of deeper fine particles are smoothed and pore densification is thereby achieved. That has in particular Effects on the hygroscopic properties of the surface, which are significantly lower, so that at a later date sealing or a subsequent paint application a smaller order quantity is needed, which is a shortened setting time.

Bei den oben beschriebenen Ausführungsbeispielen wurde jeweils eine einzige Bürste zur Behandlung der Oberfläche der Betonbauteile verwandt und war an der entsprechenden Vorrichtung lediglich eine einzige derartige Bürste vorgesehen. Das erfindungsgemäße Verfahren und die erfindungsgemäße Vorrichtung können aber auch mit mehreren Bürsten arbeiten, die jeweils mit eigenen Motoren angetrieben an einem Support angebracht sind oder gemeinsam über ein gemeinsames Antriebssystem angetrieben werden. Wenn mehrere Bürsten vorgesehen sind, können diese kombiniert Walzen- und Tellerbürsten sein. In the above-described embodiments a single brush to treat the surface of each Concrete components related and was on the corresponding device only one such brush is provided. The Method according to the invention and the device according to the invention can also work with multiple brushes, each with own motors are attached to a support or driven together via a common drive system become. If several brushes are provided, they can be combined Be roller and plate brushes.

In der Zeichnung nicht dargestellt sind mögliche Ausführungsbeispiele der erfindungsgemäßen Vorrichtung als Tischmaschinen, bei denen ein Tisch vorgesehen ist, der ein Betonbauteil oder mehrere Betonbauteile hält, deren Oberfläche zu bearbeiten ist, und die Bürste an einer Brücke über dem Tisch so angeordnet ist, dass sie mit der zu behandelnden Oberfläche des oder der Betonbauteile in Kontakt kommen kann. Die Relativbewegung zwischen der Bürste und dem zu bearbeitenden Betonbauteil kann entweder dadurch, dass der Tisch unter der Bürste verfahrbar ist, oder dadurch erreicht werden, dass der Tisch fest angeordnet ist und die Brücke mit der daran angeordneten Bürste über den Tisch verfahrbar ist.Possible exemplary embodiments are not shown in the drawing the device according to the invention as table machines, where a table is provided which is a concrete component or holding several concrete components to process their surface and the brush on a bridge over the table like this is arranged that it with the surface to be treated or the concrete components can come into contact. The relative movement between the brush and the concrete component to be machined can be moved either by placing the table under the brush is achieved or that the table is firmly arranged and the bridge with the brush attached to it is movable over the table.

Claims (14)

Verfahren zum Glätten und Reduzieren der Hygroskopie einer Oberfläche von Betonbauteilen, insbesondere von Beton- und Terazzoplatten, -steinen und -stufen, dadurch gekennzeichnet, dass die Oberfläche der unbehandelten Betonbauteile oder der mit stumpfrauer Oberfläche vorbehandelten Betonbauteile bürstenbearbeitet wird.Process for smoothing and reducing the hygroscopy of a surface of concrete components, in particular of concrete and terazo plates, stones and steps, characterized in that the surface of the untreated concrete components or the concrete components pretreated with a rough surface is brushed. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Oberfläche der Betonbauteile mit einer rotierenden Bürste gebürstet wird.A method according to claim 1, characterized in that the surface of the concrete components is brushed with a rotating brush. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass die Bürste mit einer Umfangsgeschwindigkeit von 5 bis 300 m/s rotiert.A method according to claim 2, characterized in that the brush rotates at a peripheral speed of 5 to 300 m / s. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass eine Bürste mit Metall- oder Kunststoffborsten verwendet wird.A method according to claim 2, characterized in that a brush with metal or plastic bristles is used. Vorrichtung zum Glätten und Reduzieren der Hygroskopie von Betonbauteilen zur Durchführung des Verfahrens nach Anspruch 1, gekennzeichnet durch eine Einrichtung zum Halten der Betonbauteile mit nach außen gerichteter zu behandelnder Oberfläche und eine Einrichtung, die eine motorbetriebene Bürste verstellbar so hält, dass die Bürste in Kontakt mit der zu behandelnden Oberfläche der Betonbauteile angeordnet werden kann, wobei die Einrichtung zum Halten der Betonbauteile und die Einrichtung, die eine motorbetriebene Bürste hält, relativ zueinander bewegbar angeordnet sind.Device for smoothing and reducing the hygroscopy of concrete components for carrying out the method according to claim 1, characterized by a device for holding the concrete components with the surface facing outwards to be treated and a device which holds a motor-operated brush so that the brush is in contact with the surface of the concrete components to be treated can be arranged, the device for holding the concrete components and the device holding a motor-operated brush being arranged to be movable relative to one another. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Einrichtung zum Halten der Betonbauteile ein Förderer (1) zum Befördern der Betonbauteile (6) ist und die motorbetriebene Bürste (5, 7) an einem verstellbaren Support (3) an einem Ständer (2) angebracht ist.Apparatus according to claim 5, characterized in that the device for holding the concrete components is a conveyor (1) for conveying the concrete components (6) and the motor-operated brush (5, 7) on an adjustable support (3) on a stand (2) is appropriate. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Einrichtung zum Halten der Betonbauteile ein Tisch ist, der relativ zu einer fest angebrachten Brücke verfahrbar ist, die die motorbetriebene Bürste hält.Apparatus according to claim 5, characterized in that the device for holding the concrete components is a table which is movable relative to a fixed bridge which holds the motor-operated brush. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Einrichtung zum Halten der Betonbauteile ein fest angebrachter Tisch ist, und die motorbetriebene Bürste an einer relativ zum Tisch verfahrbaren,Brücke angebracht ist.Apparatus according to claim 5, characterized in that the device for holding the concrete components is a fixed table, and the motor-driven brush is attached to a bridge which can be moved relative to the table. Vorrichtung nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass die Bürste (5) eine Tellerbürste ist.Device according to one of claims 5 to 8, characterized in that the brush (5) is a plate brush. Vorrichtung nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass die Bürste (7) eine Walzenbürste ist.Device according to one of claims 5 to 8, characterized in that the brush (7) is a roller brush. Vorrichtung nach einem der Ansprüche 5 bis 10, dadurch gekennzeichnet, dass die Geschwindigkeit der Relativbewegung regelbar ist.Device according to one of claims 5 to 10, characterized in that the speed of the relative movement is adjustable. Vorrichtung nach einem der Ansprüche 5 bis 11, dadurch gekennzeichnet, dass der Anpressdruck der Bürsten (5, 7) regelbar ist.Device according to one of claims 5 to 11, characterized in that the contact pressure of the brushes (5, 7) is adjustable. Vorrichtung nach einem der Ansprüche 5 bis 12, dadurch gekennzeichnet, dass die Bürsten (5, 7) Metall- oder Kunststoffbürsten sind. Device according to one of claims 5 to 12, characterized in that the brushes (5, 7) are metal or plastic brushes. Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, dass die Bürsten Metall- oder Kunststoffborsten mit Schleifkörnung haben.Device according to claim 13, characterized in that the brushes have metal or plastic bristles with abrasive grain.
EP01117018A 2000-07-21 2001-07-12 Method and apparatus for smoothing and reducing the hygroscopicity of the surface of a concrete construction element Withdrawn EP1174054A1 (en)

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DE2000135637 DE10035637A1 (en) 2000-07-21 2000-07-21 Method and device for treating a surface of concrete components
DE10035637 2000-07-21

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