EP0196603B1 - Tool for compacting fine concrete in wall joints - Google Patents

Tool for compacting fine concrete in wall joints Download PDF

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Publication number
EP0196603B1
EP0196603B1 EP86104091A EP86104091A EP0196603B1 EP 0196603 B1 EP0196603 B1 EP 0196603B1 EP 86104091 A EP86104091 A EP 86104091A EP 86104091 A EP86104091 A EP 86104091A EP 0196603 B1 EP0196603 B1 EP 0196603B1
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EP
European Patent Office
Prior art keywords
tool
connecting device
plate
active surface
hammer
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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.)
Expired - Lifetime
Application number
EP86104091A
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German (de)
French (fr)
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EP0196603A3 (en
EP0196603A2 (en
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Schuster Reinhold
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Schuster Reinhold
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Publication date
Application filed by Schuster Reinhold filed Critical Schuster Reinhold
Priority to AT86104091T priority Critical patent/ATE60105T1/en
Publication of EP0196603A2 publication Critical patent/EP0196603A2/en
Publication of EP0196603A3 publication Critical patent/EP0196603A3/en
Application granted granted Critical
Publication of EP0196603B1 publication Critical patent/EP0196603B1/en
Anticipated expiration legal-status Critical
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/165—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers

Definitions

  • the invention relates to the use of a tool for compacting fine concrete in wall joints, and a tool.
  • a tool for compacting concrete has become known from GB-A 511 099.
  • This tool is connected to a motor-driven hammer by means of a releasable connecting device.
  • On the working side opposite the connecting device, it has a plate with an active surface which is oriented at right angles to the direction of impact of the hammer.
  • the invention has for its object to find a solution to this problem, namely to compact fine concrete in such wall joints safely and reliably.
  • the invention proposes the use of a tool for compacting fine concrete in wall joints according to claim 1.
  • a motor-driven hammer can now be used to compact the fine concrete introduced into the wall joint, which significantly increases the compacting effect.
  • the weight of the tool is comparatively low, so that it can also be used in unfavorable positions.
  • the fine concrete, in which an excess of water is to be avoided, is compacted in the new use with the aid of the elongated, essentially flat or flute-like active surface.
  • the use of little water in fine concrete prevents the mass from escaping during the compaction process.
  • the small amount of water also reduces the volume loss when setting, so that the risk of cracks occurring is low.
  • the fillet-like curvature brings a particularly good compression effect.
  • this shape of the active surface allows the tool to be held in the middle of the joint, which makes work easier.
  • the invention further relates to a tool.
  • the starting point is the tool as it became known from GB-A 511 099.
  • the invention improves this tool and designs it so that it is particularly well suited for compacting fine concrete in wall joints. This is done in that the active surface of the plate of the one-piece tool is arched and elongated, that the connecting device receives a drill pipe of the motor hammer, and that the back of the plate carries struts between the connecting device and the outside area.
  • the invention further proposes that a mounting shoe with a larger width and / or length is slid onto the active surface of the tool.
  • a placement shoe can be used, for example, to counteract wear on the tool or to increase the effective area.
  • Increasing the effective area is particularly desirable if higher wall joints are to be processed.
  • joints are provided at a height of approximately 8 cm.
  • the tool is designed as a drop forging.
  • the tool 1 consists essentially of the elongated plate 9, the struts 10 and the connecting device 4th
  • the plate 9 has an active surface 2 with a fillet-like curvature on its underside. On its upper side, the plate 9 is connected to the connecting device 4 by means of the struts 10.
  • the struts 10 are essentially triangular and carry in their center the connecting device 4, which receives the drill rod 6 of a motor hammer 5, which is shown in FIG. 3, in a hardened opening.
  • the drill pipe 6 can easily be replaced without special tools.
  • the length of the plate 9 is approximately 30 cm, its width is approximately 6 cm.
  • the width is slightly less than the joint height 3 of the joint 8, which is approximately 8 cm.
  • the depth of the joint 8, i.e. the wall thickness, can be up to one meter or even more.
  • Fig. 3 it can be seen how the fine concrete 11 is compacted in the joint 8 with the help of the active surface 2. If the joint is still relatively deep, a particularly long drill pipe 6 is used. Depending on the decrease in the joint depth in the course of the process, the drill pipe 6 is replaced by a shorter one.
  • the joint 8 is, for example, in a masonry 13, the lower area of which is to be renewed piece by piece. An approximately one meter wide piece is removed from the masonry and replaced with new masonry 12. Above the new masonry 12, the joint 8 remains at one end is closed by a formwork board 7, which is fixed in the usual way. Now a sufficient layer of fine concrete 11 is first introduced and this layer is compacted by moving the motor-driven tool 1 back and forth. Subsequently, fine concrete is added and the process continues until the entire joint 8 is filled with the compacted fine concrete.
  • the new masonry 12 can contain an insulating layer in the usual way, but this is not shown in detail, and which can also be arranged, for example, in the joint under the fine concrete 11.
  • the invention can also be implemented with a tool with a flat active surface.
  • a curved active surface as shown in the drawings, has the advantage that the compacted concrete 11 which is introduced tends to dodge less during compaction, and that it is also easier to hold the tool 1 approximately in the middle of the joint.
  • the tool according to the invention is used to compact fine concrete in horizontal wall joints. It is clear that the tool can also be used when the joint has an inclined course or when it comes to vertical joints.

Abstract

The tool (1) has a connecting device (4) for connection to the drill rod of a motor hammer. On the working side there is a curved active surface (2), by means of which it is possible for fine concrete introduced into wall joints to be compacted as effectively as possible. The struts (10) provide adequate stability of the tool (1) which is preferably produced as a drop forging. <IMAGE>

Description

Die Erfindung betrifft die Verwendung eines Werkzeugs zum Verdichten von Feinbeton in Mauerfugen, sowie ein Werkzeug.The invention relates to the use of a tool for compacting fine concrete in wall joints, and a tool.

Ein Werkzeug zum Verdichten von Beton ist durch die GB-A 511 099 bekannt geworden. Dieses Werkzeug ist mittels einer lösbaren Verbindungsvorrichtung an einen motorgetriebenen Hammer angeschlossen. An der der Verbindungsvorrichtung gegenüberliegenden Arbeitsseite besitzt es eine Platte mit einer Wirkfläche, die rechtwinklig zur Schlagrichtung des Hammers ausgerichtet ist.A tool for compacting concrete has become known from GB-A 511 099. This tool is connected to a motor-driven hammer by means of a releasable connecting device. On the working side opposite the connecting device, it has a plate with an active surface which is oriented at right angles to the direction of impact of the hammer.

Mittels dieses Werkzeuges kann Beton verdichtet, beispielsweise gestampft werden.With this tool, concrete can be compacted, for example stamped.

Bei der Sanierung von Mauerwerk, beispielsweise von älteren Bauwerken, wird ein Teil des Mauerwerks bis etwa einem Meter Breite herausgebrochen und durch neues Mauerwerk ersetzt. Das Problem hierbei ist, wie, unabhängig davon, ob das Mauerwerk gemauert oder aus Beton gefertigt ist, der Feinbeton in eine Fuge oberhalb des neuen Mauerwerkes und unterhalb des alten, abzustützenden Mauerwerkes eingebracht und verdichtet werden kann. Bisher erfolgen diese Arbeiten mittels eines Fäustels und mit einem Rundholz. Dieses Verfahren ist sehr arbeitsaufwendig, insbesondere dann, wenn Feinbeton mit geringem Wasseranteil verarbeitet wird. Dennoch ist die Verdichtungswirkung unsicher. Wird keine ausreichende Verdichtung erreicht, setzt sich das abzustützende Mauerwerk und es entstehen Risse.When renovating masonry, for example older structures, part of the masonry is broken out to a width of about one meter and replaced with new masonry. The problem here is how, regardless of whether the masonry is bricked or made of concrete, the fine concrete can be introduced and compacted in a joint above the new masonry and below the old masonry to be supported. So far, this work has been carried out using a fist and with a log. This process is very labor-intensive, especially when fine concrete with a low water content is processed. Nevertheless, the compaction effect is uncertain. If sufficient compaction is not achieved, the masonry to be supported settles and cracks develop.

Der Erfindung liegt die Aufgabe zugrunde, eine Lösung für dieses Problem zu finden, nämlich Feinbeton in derartigen Mauerfugen sicher und zuverlässig zu verdichten.The invention has for its object to find a solution to this problem, namely to compact fine concrete in such wall joints safely and reliably.

Zur Lösung dieser Aufgabe schlägt die Erfindung die Verwendung eines Werkzeugs zum Verdichten von Feinbeton in Mauerfugen gemäß Patentanspruch 1 vor. Durch entsprechende Anpassung des Werkzeugs an die neue Verwendung wird eine vollständige Lösung des Problems erreicht. Zum Verdichten des eingebrachten Feinbetons in der Mauerfuge kann nunmehr ein motorgetriebener Hammer verwendet werden, wodurch die Verdichtungswirkung wesentlich gesteigert wird. Das Gewicht des Werkzeuges ist dabei vergleichsweise gering, so daß es auch in ungünstigen Positionen angewandt werden kann. Der Feinbeton, bei dem ein Übermaß an Wasser zu vermeiden ist, wird bei der neuen Verwendung mit Hilfe der länglichen, im wesentlichen ebenen bzw. hohlkehlenartigen Wirkfläche verdichtet. Die Anwendung von wenig Wasser beim Feinbeton verhindert dabei, daß beim Verdichtungsvorgang die Masse ausweicht. Durch die geringe Wassermenge wird auch der Volumenverlust beim Abbinden reduziert, so daß auch die Gefahr des Auftretens von Setzrissen gering ist.To achieve this object, the invention proposes the use of a tool for compacting fine concrete in wall joints according to claim 1. By appropriately adapting the tool to the new use, a complete solution to the problem is achieved. A motor-driven hammer can now be used to compact the fine concrete introduced into the wall joint, which significantly increases the compacting effect. The weight of the tool is comparatively low, so that it can also be used in unfavorable positions. The fine concrete, in which an excess of water is to be avoided, is compacted in the new use with the aid of the elongated, essentially flat or flute-like active surface. The use of little water in fine concrete prevents the mass from escaping during the compaction process. The small amount of water also reduces the volume loss when setting, so that the risk of cracks occurring is low.

Die hohlkehlenartige Wölbung bringt eine besonders gute Verdichtungswirkung. Zudem erlaubt diese Ge-stalt der Wirkfläche das Werkzeug in der Mitte der Fuge zu halten, wodurch das Arbeiten erleichtert wird.The fillet-like curvature brings a particularly good compression effect. In addition, this shape of the active surface allows the tool to be held in the middle of the joint, which makes work easier.

Die Erfindung betrifft ferner ein Werkzeug. Dabei wird von dem Werkzeug ausgegangen, wie dieses aus der GB-A 511 099 bekannt geworden ist. Die Erfindung verbessert dieses Werkzeug und gestaltet dieses so aus, daß es besonders gut für das Verdichten von Feinbeton in Mauerfugen geeignet ist. Dies geschieht dadurch, daß die Wirkfläche der Platte des einstückigen Werkzeugs hohlkehlenartig gewölbt und länglich ausgebildet ist, daß die Verbindungsvorrichtung ein Bohrgestänge des Motorhammers aufnimmt, und daß die Rückseite der Platte Abstrebungen zwischen der Verbindungsvorrichtung und dem Außenbereich trägt.The invention further relates to a tool. The starting point is the tool as it became known from GB-A 511 099. The invention improves this tool and designs it so that it is particularly well suited for compacting fine concrete in wall joints. This is done in that the active surface of the plate of the one-piece tool is arched and elongated, that the connecting device receives a drill pipe of the motor hammer, and that the back of the plate carries struts between the connecting device and the outside area.

Die Erfindung schlägt ferner vor, daß auf der Wirkfläche des Werkzeugs ein Aufsetzschuh mit größerer Breite und/oder Länge aufgeschoben ist. Ein solcher Aufsetzschuh kann beispielsweise dazu benutzt werden, den Verschleiß am Werkzeug entgegen zu wirken oder aber, um die Wirkfläche zu vergrößern. Ein Vergrößern der Wirkfläche ist vor allem dann erwünscht, wenn höhere Mauerfugen bearbeitet werden sollen. In der Regel werden Fugen in etwa 8 cm Höhe vorgesehen.The invention further proposes that a mounting shoe with a larger width and / or length is slid onto the active surface of the tool. Such a placement shoe can be used, for example, to counteract wear on the tool or to increase the effective area. Increasing the effective area is particularly desirable if higher wall joints are to be processed. As a rule, joints are provided at a height of approximately 8 cm.

Besonders günstig ist es, wenn das Werkzeug als Gesenkschmiedestück ausgeführt ist.It is particularly favorable if the tool is designed as a drop forging.

In der Zeichnung ist ein Ausführungsbeispiel eines erfindungsgemäßen Werkzeuges schematisch dargestellt. Es zeigen:

  • Fig. 1 eine perspektivische Ansicht,
  • Fig. 2 eine Seitenansicht und
  • Fig. 3 eine Seitenansicht in Arbeitsstellung beim Arbeiten in einer Mauerfuge.
In the drawing, an embodiment of a tool according to the invention is shown schematically. Show it:
  • 1 is a perspective view,
  • Fig. 2 is a side view and
  • Fig. 3 is a side view in the working position when working in a wall joint.

Das Werkzeug 1 besteht im wesentlichen aus der länglichen Platte 9, den Abstrebungen 10 und der Verbindungsvorrichtung 4.The tool 1 consists essentially of the elongated plate 9, the struts 10 and the connecting device 4th

Die Platte 9 weist an ihrer Unterseite eine Wirkfläche 2 mit einer hohlkehlenartigen Wölbung auf. An ihrer Oberseite ist die Platte 9 mittels der Abstrebungen 10 mit der Verbindungsvorrichtung 4 verbunden. Die Abstrebungen 10 sind im wesentlichen dreieckförmig und tragen in ihrer Mitte die Verbindungsvorrichtung 4, die in einer gehärteten Öffnung das Bohrgestänge 6 eines Motorhammers 5, der in Fig. 3 gezeigt ist, aufnimmt. Das Bohrgestänge 6 kann einfach ohne besonderes Werkzeug ausgewechselt werden.The plate 9 has an active surface 2 with a fillet-like curvature on its underside. On its upper side, the plate 9 is connected to the connecting device 4 by means of the struts 10. The struts 10 are essentially triangular and carry in their center the connecting device 4, which receives the drill rod 6 of a motor hammer 5, which is shown in FIG. 3, in a hardened opening. The drill pipe 6 can easily be replaced without special tools.

Die Länge der Platte 9 beträgt ca. 30 cm, ihre Breite ca. 6 cm. Die Breite ist etwas geringer als die Fugenhöhe 3 der Fuge 8, die etwa 8 cm beträgt. Die Tiefe der Fuge 8, also die Mauerstärke, kann bis zu einem Meter oder noch darüber betragen.The length of the plate 9 is approximately 30 cm, its width is approximately 6 cm. The width is slightly less than the joint height 3 of the joint 8, which is approximately 8 cm. The depth of the joint 8, i.e. the wall thickness, can be up to one meter or even more.

In Fig. 3 ist zu sehen, wie mit Hilfe der Wirkfläche 2 der Feinbeton 11 in der Fuge 8 verdichtet wird. Ist die Fuge noch relativ tief, so wird ein besonders langes Bohrgestänge 6 benutzt. Je nach Abnahme der Fugentiefe im Verlauf des Vorganges wird das Bohrgestänge 6 gegen ein kürzeres ausgetauscht.In Fig. 3 it can be seen how the fine concrete 11 is compacted in the joint 8 with the help of the active surface 2. If the joint is still relatively deep, a particularly long drill pipe 6 is used. Depending on the decrease in the joint depth in the course of the process, the drill pipe 6 is replaced by a shorter one.

Die Fuge 8 befindet sich beispielsweise in einem Mauerwerk 13, dessen unterer Bereich Stück um Stück erneuert werden soll. Dabei wird vom Mauerwerk ein ca. ein Meter breites Stück herausgenommen und durch neues Mauerwerk 12 ersetzt. Oberhalb des neuen Mauerwerks 12 verbleibt zunächst die Fuge 8, die am einen Ende durch ein Schalbrett 7 verschlossen wird, das in üblicher Weise fixiert wird. Nun wird zunächst eine ausreichende Schicht Feinbeton 11 eingebracht und diese Schicht durch Hin- und Herführung des motorgetriebenen Werkzeugs 1 verdichtet. Anschließend wird weiter Feinbeton eingebracht und so fortgefahren, bis die gesamte Fuge 8 mit dem verdichteten Feinbeton gefüllt ist.The joint 8 is, for example, in a masonry 13, the lower area of which is to be renewed piece by piece. An approximately one meter wide piece is removed from the masonry and replaced with new masonry 12. Above the new masonry 12, the joint 8 remains at one end is closed by a formwork board 7, which is fixed in the usual way. Now a sufficient layer of fine concrete 11 is first introduced and this layer is compacted by moving the motor-driven tool 1 back and forth. Subsequently, fine concrete is added and the process continues until the entire joint 8 is filled with the compacted fine concrete.

Das neue Mauerwerk 12 kann in üblicher Weise eine isolierende Schicht enthalten, die jedoch nicht näher gezeigt ist, und die beispielsweise auch in der Fuge unter dem Feinbeton 11 angeordnet sein kann.The new masonry 12 can contain an insulating layer in the usual way, but this is not shown in detail, and which can also be arranged, for example, in the joint under the fine concrete 11.

Hat der eingebrachte Feinbeton 11 ausreichend abgebunden, kann ein weiterer, daneben liegender Abschnitt des Maurerwerks ausgetauscht werden usw.If the fine concrete 11 that has been brought in has set sufficiently, a further section of the brickwork lying next to it can be replaced, etc.

Die Erfindung ist auch verwirklichbar mit einem Werkzeug mit ebener Wirkfläche. Eine gewölbte Wirkfläche, wie diese in den Zeichnungen dargestellt ist, bringt jedoch den Vorteil, daß beim Verdichten der eingebrachte Feinbeton 11 weniger dazu neigt, auszuweichen, und daß es auch leichter möglich ist, das Werkzeug 1 etwa in der Mitte der Fuge zu halten.The invention can also be implemented with a tool with a flat active surface. However, a curved active surface, as shown in the drawings, has the advantage that the compacted concrete 11 which is introduced tends to dodge less during compaction, and that it is also easier to hold the tool 1 approximately in the middle of the joint.

In der Regel wird das Werkzeug gemäß der Erfindung dazu benutzt, Feinbeton in horizontalen Mauerfugen zu verdichten. Es ist klar, daß das Werkzeug auch verwendbar ist, wenn die Fuge einen geneigten Verlauf besitzt bzw. wenn es um senkrechte Fugen geht.As a rule, the tool according to the invention is used to compact fine concrete in horizontal wall joints. It is clear that the tool can also be used when the joint has an inclined course or when it comes to vertical joints.

Claims (5)

1. Use of a tool which is connected to a motor-driven hammer (5) by means of a detachable connecting device (4) and which has on the operating side of the tool opposite the connecting device an oblong, hollow-plane-type active surface (2) of a plate (9) which is arranged at right angles to the direction of impact of the hammer, for compacting concrete in wall joints.
2. Single-piece tool which is connected to a motor-driven hammer (5) by means of a detachable connecting device (4), and which has a plate (9) with an active surface (2) on the operating side opposite the connecting device which is arranged rectangularly to the direction of percussion of the hammer characterized in that the active surface of the plate (9) serving for compacting fine concrete in wall joints is curved in a hollow plane type way and oblong in shape, in that the connecting device (4) holds a drilling rod (6) of the motor hammer (5) and in that the back side of the plate (9) supports diagonal members (10) extending between the connecting device and the outer part of the plate (9).
3. Tool according to claim 2 characterized in that the tool is constructed as a die-formed element.
4. Tool according to claims 2 and 3 characterized in that the areas linking the plate (9), the connecting device (4) and the diagonal members (10), which are preferentially triangular in shape, are rounded.
5. Tool according to one of the claims 2 to 4 characterized in that a detachable shoe of a greater width and/or length is slid onto the active surface (2).
EP86104091A 1985-04-04 1986-03-25 Tool for compacting fine concrete in wall joints Expired - Lifetime EP0196603B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86104091T ATE60105T1 (en) 1985-04-04 1986-03-25 TOOL FOR COMPRESSING FINE CONCRETE IN WALL JOINTS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3512364 1985-04-04
DE19853512364 DE3512364A1 (en) 1985-04-04 1985-04-04 TOOL FOR PUTTING FINE CONCRETE INTO WALL JOINTS

Publications (3)

Publication Number Publication Date
EP0196603A2 EP0196603A2 (en) 1986-10-08
EP0196603A3 EP0196603A3 (en) 1987-08-19
EP0196603B1 true EP0196603B1 (en) 1991-01-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP86104091A Expired - Lifetime EP0196603B1 (en) 1985-04-04 1986-03-25 Tool for compacting fine concrete in wall joints

Country Status (3)

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EP (1) EP0196603B1 (en)
AT (1) ATE60105T1 (en)
DE (2) DE3512364A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111424936A (en) * 2020-04-13 2020-07-17 山东华邦建设集团有限公司 Portable dual-purpose tool for tiling

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB511099A (en) * 1937-08-21 1939-08-14 Auguste Goditiabois New or improved portable vibrating apparatus
US3450215A (en) * 1966-07-12 1969-06-17 John V Emery Motor driven cleaning tool

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2359213A (en) * 1942-06-17 1944-09-26 Gardner James Geary Means for cutting adits in chalk and allied strata
DE3214731A1 (en) * 1982-04-21 1983-10-27 Gerhard 4040 Neuss Strahl Jointing machine for masonry blocks, wall panels and floor slabs

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB511099A (en) * 1937-08-21 1939-08-14 Auguste Goditiabois New or improved portable vibrating apparatus
US3450215A (en) * 1966-07-12 1969-06-17 John V Emery Motor driven cleaning tool

Also Published As

Publication number Publication date
EP0196603A3 (en) 1987-08-19
ATE60105T1 (en) 1991-02-15
DE3512364A1 (en) 1986-10-09
EP0196603A2 (en) 1986-10-08
DE3676848D1 (en) 1991-02-21

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