EP1551606B1 - Device for the production of formed concrete pieces having a rough surface and formed concrete piece - Google Patents

Device for the production of formed concrete pieces having a rough surface and formed concrete piece Download PDF

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Publication number
EP1551606B1
EP1551606B1 EP03770960A EP03770960A EP1551606B1 EP 1551606 B1 EP1551606 B1 EP 1551606B1 EP 03770960 A EP03770960 A EP 03770960A EP 03770960 A EP03770960 A EP 03770960A EP 1551606 B1 EP1551606 B1 EP 1551606B1
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EP
European Patent Office
Prior art keywords
concrete
mould
scraper
wall
moulding
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EP03770960A
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German (de)
French (fr)
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EP1551606A1 (en
Inventor
Gerhard Hagenah
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SF Kooperation GmbH Beton Konzepte
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SF Kooperation GmbH Beton Konzepte
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0061Moulds, cores or mandrels specially adapted for mechanically working moulding surfaces during moulding or demoulding, e.g. smoothing by means of mould walls driven during moulding or of parts acting during demoulding

Definitions

  • the invention relates to a device for producing molded articles made of concrete with a roughened surface formed by removing concrete on an outer side of the green molded article during removal from the blank according to the preamble of claim 1.
  • the invention further relates to a corresponding method according to the preamble of claim 9.
  • Concrete moldings namely concrete blocks, with at least one roughened side surface are known.
  • an outer concrete layer extending over the full height of the concrete block is lifted off with the concrete form ( US 6,138,983 and US 5,078,940 ).
  • the invention has for its object to propose measures for the improved production of moldings made of concrete with at least one outside structured in a special way.
  • the device according to the invention the features of claim 1.
  • the device according to the invention is thus designed so that the scraper, preferably designed as a web with sharpened scraper edge, is moved along the rough blank in the region of the roughened surface to be produced while entraining a (thin) concrete layer which immediately, during the stripping process, on the Concrete molding turned away side through an opening in the mold wall is eliminated.
  • the scraper is formed in the lower part of the mold wall of the concrete mold with an inwardly, so the molding, protruding scraper edge, wherein the opening is formed above the scraper in the mold wall and the lateral outlet of the Removal of stripped concrete during the stripping process allows.
  • the invention relates to a manufacturing method having the features of claim 9.
  • the concrete block 10 is removed from the mold by lifting the concrete mold 13, that is to say the mold walls 15 ... 18.
  • the molding or concrete block 10 is raised fixed to the backing board 19, by the held in position stamp 21.
  • the concrete form 13 is therefore deducted in the upward direction of the concrete block 10.
  • the stamp 21 is also lifted off the concrete blank (FIG. 8), which now rests freely for removal on the base board 19.
  • a scraper 23 is provided, which is moved along the outer side 12 to be designed with stripping of the concrete layer 11.
  • the scraper 23 is connected to the concrete mold 13 and formed in a special way, namely as an exposed, transverse web with (approximately) trapezoidal Cross-section. A portion of the scraper 23 extends in the region of an (upright) mold wall 15 or is part of this mold wall 15.
  • the special structure of the outer side 12 results from the fact that the stripped concrete, ie scraped concrete 25, is constantly removed immediately after stripping and during the entire stripping process, on the side facing away from the concrete block 10 and the outer side 12 thereof.
  • the scraper 23, which is relatively narrow in the transverse direction, is exposed, such that the screed concrete 25 is pushed laterally over the scraper 23 and then removed, namely by falling onto the base board 19. This is facilitated by the scraper 23 substantially on the outside is flush with the associated mold wall 15 and practically forms part of the same.
  • the scraper 23 forming the lower boundary of the mold wall 15 is connected via upright connections, namely supporting webs 26 to the mold wall 15 or its upper part.
  • the mold wall 15 forms an opening 27 which extends over the full dimension or width of the mold wall 15 corresponding to the structured outer side 12 to be created and is interrupted only by a plurality of spaced apart support webs 26.
  • Fig. 12 shows a substantially cylindrical hollow body made of concrete, which comes in particular as a planting ring 37 is used.
  • the cylindrical outer surface 38 is preferably structured around by stripping concrete.
  • a cylindrical, solid, elongated blank 39 along the entire cylindrical outer surface 38 is provided by stripping concrete with a structure.
  • This molding 39 can be used for example as a palisade element.

Abstract

The appliance for producing concrete blocks (10), produces a roughened surface formed from removing the outside (12) of the crude blank. A scraper (23) is moved , especially during removal of the blank from the mold , along the outside of the blank in an upward direction. The scraped concrete (25) can be conveyed from the side of the scraper positioned away from the blank.

Description

Die Erfindung betrifft eine Vorrichtung zum Herstellen von Formlingen aus Beton mit einer durch Abnehmen von Beton an einer Außenseite des rohen Formlings beim Entformen desselben gebildeten aufgerauten Oberfläche gemäß dem Oberbegriff des Anspruchs 1. Weiterhin betrifft die Erfindung ein entsprechendes Verfahren gemäß dem Oberbegriff des Anspruchs 9.The invention relates to a device for producing molded articles made of concrete with a roughened surface formed by removing concrete on an outer side of the green molded article during removal from the blank according to the preamble of claim 1. The invention further relates to a corresponding method according to the preamble of claim 9.

Formlinge aus Beton, nämlich Betonsteine, mit mindestens einer aufgerauten Seitenfläche sind bekannt. Bei der Herstellung dieses Betonsteins wird beim Entformen eine sich über die volle Höhe des Betonsteins erstreckende, äußere Betonschicht mit der Betonform abgehoben ( US 6,138,983 und US 5,078,940 ). Dadurch entsteht zwar eine aufgeraute Seitenfläche bzw. Sichtfläche. Diese hat aber eine besondere Struktur auf Grund der als ganzes abgehobenen und an der betreffenden Fläche des Betonsteins entlang gleitenden Betonschicht.Concrete moldings, namely concrete blocks, with at least one roughened side surface are known. During the production of this concrete block, an outer concrete layer extending over the full height of the concrete block is lifted off with the concrete form ( US 6,138,983 and US 5,078,940 ). This creates a roughened side surface or visible surface. But this has a special structure due to the lifted as a whole and along the surface of the concrete block along sliding concrete layer.

Der Erfindung liegt die Aufgabe zugrunde, Maßnahmen für die verbesserte Fertigung von Formlingen aus Beton mit mindestens einer in besonderer Weise strukturierten Außenseite vorzuschlagen.The invention has for its object to propose measures for the improved production of moldings made of concrete with at least one outside structured in a special way.

Zur Lösung dieser Aufgabe ist die erfindungsgemäße Vorrichtung die Merkmale des Anspruchs 1 auf. Die erfindungsgemäße Vorrichtung ist demnach so ausgebildet, dass der vorzugsweise als Steg mit angeschärfter Abstreifkante ausgebildete Abstreifer im Bereich der herzustellenden aufgerauten Fläche am rohen Formling entlangbewegt wird unter Mitnahme einer (dünnen) Betonschicht, die unmittelbar, und zwar fortlaufend während des Abstreifvorgangs, auf der vom Betonformling abgekehrten Seite durch eine Öffnung in der Formwand beseitigt wird.To solve this problem, the device according to the invention the features of claim 1. The device according to the invention is thus designed so that the scraper, preferably designed as a web with sharpened scraper edge, is moved along the rough blank in the region of the roughened surface to be produced while entraining a (thin) concrete layer which immediately, during the stripping process, on the Concrete molding turned away side through an opening in the mold wall is eliminated.

Eine weitere Besonderheit der erfindungsgemäßen Vorrichtung besteht darin, dass der Abstreifer im unteren Bereich der Formwand der Betonform gebildet ist mit einer nach innen, also zum Formling, vorstehenden Abstreifkante, wobei die Öffnung oberhalb des Abstreifers in der Formwand gebildet ist und den seitlichen Austritt des beim Entformen abgestreiften Betons während des Abstreifvorgangs ermöglicht.Another special feature of the device according to the invention is that the scraper is formed in the lower part of the mold wall of the concrete mold with an inwardly, so the molding, protruding scraper edge, wherein the opening is formed above the scraper in the mold wall and the lateral outlet of the Removal of stripped concrete during the stripping process allows.

Ein weiterer Vorschlag der Erfindung besteht darin, dass die Betonform bzw. Formwände derselben an mehreren Seiten, gegebenenfalls an allen Seiten Abstreifer aufweisen, derart, dass beim Entformen mehrere bzw. alle Seitenflächen des Betonformlings mit durch Abstreifen aufgerauter Struktur gebildet werden. Mehrere so ausgebildete Einzelformen können zu einer Betonform mit mehreren Formnestern und jedem Formnest zugeordneten Abschnittstreifern ausgebildet sein.Another proposal of the invention is that the concrete mold or mold walls thereof on several sides, optionally on all sides have scrapers, such that during demolding several or all side surfaces of the concrete molding are formed with roughened by stripping structure. A plurality of individual shapes thus formed may be formed into a concrete mold having a plurality of mold cavities and each mold cavity associated with section strippers.

Weiterhin bezieht sich die Erfindung auf ein Herstellungsverfahren mit den Merkmalen des Anspruchs 9.Furthermore, the invention relates to a manufacturing method having the features of claim 9.

Weitere Einzelheiten der Herstellung von Betonformlingen mit aufgerauten Sichtflächen werden nachfolgend anhand von Ausführungsbeispielen in den Zeichnungen näher erläutert. Es zeigt:

Fig. 1
eine Betonform bzw. einen Teil derselben im Vertikalschnitt,
Fig. 2
einen Ausschnitt der Form gemäß Fig. 1 in einer Innenansicht derselben,
Fig. 3
die Form gemäß Fig. 1 in Draufsicht,
Fig. 4
die Form gemäß Fig. 1 während des Entformens eines Betonformlings,
Fig. 5
eine andere Ausführung der Betonform im Vertikalschnitt,
Fig. 6
die Betonform gemäß Fig. 5 während des Entformens,
Fig. 7
eine dritte Ausführung der Betonform in einer Stellung analog zu Fig. 6,
Fig. 8
die Betonform gemäß Fig. 7 nach dem Entformen,
Fig. 9
einen Betonstein im Grundriss,
Fig. 10
eine andere Ausführung eines Betonsteins, ebenfalls im Grundriss,
Fig. 11
einen Betonstein in perspektivischer Darstellung,
Fig. 12
einen zylindrischen, hohlen Betonformling in perspektivischer Darstellung,
Fig. 13
einen massiven, zylindrischen Betonformling, ebenfalls in perspektivischer Darstellung,
Fig. 14
eine Betonform zum Herstellen von Betonsteinen in schematischem Grundriss.
Further details of the production of concrete moldings with roughened visible surfaces are explained in more detail with reference to embodiments in the drawings. It shows:
Fig. 1
a concrete form or a part thereof in vertical section,
Fig. 2
1 a detail of the mold according to FIG. 1 in an interior view thereof,
Fig. 3
the shape of FIG. 1 in plan view,
Fig. 4
1 during the demolding of a concrete molding,
Fig. 5
another embodiment of the concrete form in vertical section,
Fig. 6
the concrete form according to FIG. 5 during demoulding,
Fig. 7
a third embodiment of the concrete form in a position analogous to FIG. 6,
Fig. 8
the concrete form according to FIG. 7 after removal from the mold,
Fig. 9
a concrete block in plan,
Fig. 10
another version of a concrete block, also in plan,
Fig. 11
a concrete block in perspective,
Fig. 12
a cylindrical, hollow concrete molding in perspective,
Fig. 13
a solid, cylindrical concrete molding, also in perspective,
Fig. 14
a concrete form for the manufacture of concrete blocks in a schematic plan view.

Es geht um die Herstellung von Formlingen aus Beton, zum Beispiel Betonsteinen 10, mit mindestens einer durch Abstreifen einer dünnen Betonschicht 11 gebildeten Außenseite 12 mit aufgerauter Struktur.It is about the production of moldings made of concrete, for example concrete blocks 10, with at least one formed by stripping a thin concrete layer 11 outside 12 with a roughened structure.

Die Betonsteine 10 werden in einer Betonform 13 gefertigt, die in einfachster Ausführung aus einer einzelnen Kammer bzw. einem einzelnen Formnest 14 besteht. Dieser Hohlraum bzw. dieses Formnest 14 ist seitlich von Formwänden 15, 16, 17, 18 umgeben. Diese begrenzen den (rohen) Formling bzw. Betonstein 10 (Fig. 4, Fig. 5). Die oben und unten offene Betonform 13 ruht auf einer separaten Unterlage, insbesondere auf einem Unterlagsbrett 19. Dieses wiederum liegt üblicherweise auf einem Rütteltisch 20 zum Verdichten des Betons. Der rohe Beton wird von oben in die Betonform bzw. in das Formnest 14 eingefüllt, während die Betonform 13 auf dem Unterlagsbrett 19 ruht. Als oberer Abschluss der (gefüllten) Betonform 13 bzw. des Formnests 14 dient ein Stempel 21, dessen Stempelplatte 22 oben auf dem Beton bzw. auf dem Betonstein 10 aufliegt.The concrete blocks 10 are manufactured in a concrete form 13, which consists in the simplest version of a single chamber or a single mold cavity 14. This cavity or mold cavity 14 is laterally surrounded by mold walls 15, 16, 17, 18. These limit the (raw) molding or concrete block 10 (FIG. 4, FIG. 5). The top and bottom open concrete form 13 rests on a separate surface, in particular on a base board 19. This in turn is usually on a vibrating table 20 for compacting the concrete. The raw concrete is poured from above into the concrete mold or into the mold cavity 14 filled while the concrete mold 13 rests on the base board 19. As upper end of the (filled) concrete mold 13 and the mold cavity 14 is a punch 21, the punch plate 22 rests on top of the concrete or on the concrete block 10.

Nach dem Verdichten des Betons im Formnest 14 wird der Betonstein 10 entformt, und zwar durch Anheben der Betonform 13, also der Formwände 15 ... 18. Während dieser Aufwärtsbewegung der Betonform 13 (Fig. 4) wird der Formling bzw. Betonstein 10 auf dem Unterlagsbrett 19 fixiert, und zwar durch den in seiner Position gehaltenen Stempel 21. Die Betonform 13 wird demnach in Aufwärtsrichtung vom Betonstein 10 abgezogen. Als Letztes wird auch der Stempel 21 vom Betonformling abgehoben (Fig. 8) dieser ruht nun frei für den Abtransport auf dem Unterlagsbrett 19.After the concrete has been compacted in the mold cavity 14, the concrete block 10 is removed from the mold by lifting the concrete mold 13, that is to say the mold walls 15 ... 18. During this upward movement of the concrete mold 13 (FIG. 4), the molding or concrete block 10 is raised fixed to the backing board 19, by the held in position stamp 21. The concrete form 13 is therefore deducted in the upward direction of the concrete block 10. Finally, the stamp 21 is also lifted off the concrete blank (FIG. 8), which now rests freely for removal on the base board 19.

Während des Entformens, also während der Aufwärtsbewegung der Betonform 13 wird die strukturierte Außenseite 12 bzw. werden aufgeraute Außenseiten hergestellt. Zu diesem Zweck ist ein Abstreifer 23 vorgesehen, der an der zu gestaltenden Außenseite 12 entlangbewegt wird unter Abstreifen der Betonschicht 11. Der Abstreifer 23 ist mit der Betonform 13 verbunden und in besonderer Weise ausgebildet, nämlich als freiliegender, quergerichteter Steg mit (annähernd) trapezförmigem Querschnitt. Ein Teilbereich des Abstreifers 23 erstreckt sich im Bereich einer (aufrechten) Formwand 15 bzw. ist Teil dieser Formwand 15. Eine sich verjüngende, scharfkantig auslaufende Abstreifkante 24 ragt innenseitig über die Formwand 15 hinweg in das Innere des Formnestes 14. Dieser Vorsprung bzw. Überstand des Abstreifers 23 streift die Betonschicht 11 während der Aufwärtsbewegung der Betonform 13 beim Entformungsvorgang ab (Fig. 4, Fig. 6).During demolding, ie during the upward movement of the concrete form 13, the structured outer side 12 or roughened outer sides are produced. For this purpose, a scraper 23 is provided, which is moved along the outer side 12 to be designed with stripping of the concrete layer 11. The scraper 23 is connected to the concrete mold 13 and formed in a special way, namely as an exposed, transverse web with (approximately) trapezoidal Cross-section. A portion of the scraper 23 extends in the region of an (upright) mold wall 15 or is part of this mold wall 15. A tapered, sharp edge expiring scraper edge 24 protrudes on the inside over the mold wall 15 into the interior of the mold cavity 14th This projection or projection of the wiper 23 strips off the concrete layer 11 during the upward movement of the concrete form 13 during the demoulding process (FIGS. 4, 6).

Die besondere Struktur der Außenseite 12 ergibt sich dadurch, dass der abgestreifte Beton, also Abstreifbeton 25, unmittelbar nach dem Abstreifen und während des gesamten Abstreifvorgangs ständig beseitigt wird, und zwar auf der vom Betonstein 10 bzw. der Außenseite 12 desselben abgekehrten Seite. Der in Querrichtung verhältnismäßig schmal bemessene Abstreifer 23 liegt frei, derart, dass der Abstreifbeton 25 seitlich über den Abstreifer 23 hinweggeschoben und sodann beseitigt wird, nämlich durch Herunterfallen auf das Unterlagsbrett 19. Dies wird dadurch begünstigt, dass der Abstreifer 23 an der Außenseite im Wesentlichen bündig ist mit der zugeordneten Formwand 15 und praktisch einen Teil derselben bildet.The special structure of the outer side 12 results from the fact that the stripped concrete, ie scraped concrete 25, is constantly removed immediately after stripping and during the entire stripping process, on the side facing away from the concrete block 10 and the outer side 12 thereof. The scraper 23, which is relatively narrow in the transverse direction, is exposed, such that the screed concrete 25 is pushed laterally over the scraper 23 and then removed, namely by falling onto the base board 19. This is facilitated by the scraper 23 substantially on the outside is flush with the associated mold wall 15 and practically forms part of the same.

Der die untere Begrenzung der Formwand 15 bildende Abstreifer 23 ist über aufrechte Verbindungen, nämlich Tragstege 26 mit der Formwand 15 bzw. deren oberen Teil verbunden. Oberhalb des Abstreifers 23 bildet die Formwand 15 eine Öffnung 27, die sich über die volle Abmessung bzw. Breite der Formwand 15 entsprechend der zu schaffenden strukturierten Außenseite 12 erstreckt und nur von mehreren im Abstand voneinander angeordneten Tragstegen 26 unterbrochen ist.The scraper 23 forming the lower boundary of the mold wall 15 is connected via upright connections, namely supporting webs 26 to the mold wall 15 or its upper part. Above the scraper 23, the mold wall 15 forms an opening 27 which extends over the full dimension or width of the mold wall 15 corresponding to the structured outer side 12 to be created and is interrupted only by a plurality of spaced apart support webs 26.

Im Bereich der Öffnung 27 ist die Formwand 15 mit einer Abdeckwand 28 versehen. Diese erstreckt sich mit Abstand von der Formwand 15 der Höhe nach von dem Abstreifer 23 bis oberhalb der Öffnung 27. Die Abdeckwand 28 begrenzt eine mindestens nach unten offene Kammer 29 bzw. einen schmalen Kanal zur gezielten Abförderung des Abstreifbetons 25 neben dem Bereich der Formwand 15. Die Kammer 29 ist bei dem Ausführungsbeispiel gemäß Fig. 1 oben und unten offen, sodass ein Reinigungsorgan erforderlichenfalls durch die Kammer 29 hindurchbewegt werden kann.In the region of the opening 27, the mold wall 15 is provided with a cover wall 28. This extends at a distance from the mold wall 15 in height from the scraper 23 to above the opening 27. The cover wall 28 defines an at least downwardly open chamber 29 and a narrow channel for targeted removal of the Abstreifbetons 25 adjacent to the region of the mold wall 15th In the exemplary embodiment according to FIG. 1, the chamber 29 is open at the top and at the bottom so that, if necessary, a cleaning member can be moved through the chamber 29.

Der Stempel 21 bzw. die Stempelplatte 22 ist so bemessen und innerhalb des Formnestes 14 so positioniert, dass seitlich, nämlich benachbart zur Formwand eine Abdeckung durch die Stempelplatte 22 nicht gegeben ist. Dies ist der Bereich der Betonschicht 11, die ganz oder teilweise abgestreift wird. Fig. 8 zeigt, dass der Abstreifer 23 an der Stempelplatte 22 vorbeibewegt werden kann.The punch 21 or the stamp plate 22 is dimensioned and positioned within the mold cavity 14 such that a cover through the stamp plate 22 is not provided laterally, namely adjacent to the mold wall. This is the area of the concrete layer 11 which is wholly or partially stripped off. FIG. 8 shows that the wiper 23 can be moved past the stamp plate 22.

Bei dem Ausführungsbeispiel gemäß Fig. 5, Fig. 6 ist die Kammer 29 oben geschlossen, und zwar durch eine schräggerichtete Oberwand 30. Diese verhindert, dass im Extremfalle Abstreifbeton 25 nach oben austreten kann. Fig. 5 zeigt die Ausgangssituation einer Betonform 13 nach dem Einfüllen des Betons und vor dem Anheben der Betonform 13. Beton tritt dabei auch in den Bereich der Kammer 29, wird aber bei der Aufwärtsbewegung der Betonform 13 unmittelbar nach unten über den freien Ausgang der Kammer 29 abgeleitet.In the embodiment according to FIG. 5, FIG. 6, the chamber 29 is closed at the top, by an obliquely directed top wall 30. This prevents that in the extreme case stripping concrete 25 can escape upwards. Fig. 5 shows the initial situation of a concrete form 13 after filling the concrete and before lifting the concrete form 13. Concrete also enters the area of the chamber 29, but is in the upward movement of the concrete form 13 directly downwards over the free exit of the chamber 29 derived.

Fig. 7 und Fig. 8 zeigen eine Betonform 13 im Vertikalschnitt, die an zwei einander gegenüber liegenden Seiten, nämlich an der Außenseite 12 und an einer gegenüber liegenden Außenseite 31 jeweils eine durch Abstreifen strukturierte Oberfläche des Betonsteins 10 schafft. Dabei sind beide gegenüberliegende Seiten der Betonform 13 übereinstimmend ausgebildet, nämlich jeweils mit einem Abstreifer 23 und einer Kammer 29, jeweils in der Ausführung gemäß Fig. 5 und Fig. 6. Fig. 8 zeigt dabei den oberen Bereich eines fertigen, rohen Betonsteins 10 nach dem Entformen und Abheben des Stempels 21. Der Betonstein 10 kann nun zum Aushärten abgefördert werden.7 and 8 show a concrete mold 13 in vertical section, which creates a surface of the concrete block 10 structured by stripping on two opposite sides, namely on the outside 12 and on an opposite outside 31. In this case, both opposite sides of the concrete mold 13 are formed consistently, namely in each case with a scraper 23 and a chamber 29, respectively in the embodiment according to FIG. 5 and FIG. 6. FIG. 8 shows the upper region of a finished, raw concrete block 10 after the removal and lifting of the punch 21. The concrete block 10 can now be carried away for hardening.

Der mit einer oder mehreren strukturierten Außenseiten versehene Betonstein 10 kann in unterschiedlicher Weise ausgebildet sein, und zwar auch als Hohlkörper. In Fig. 9, Fig. 10 und Fig. 11 ist als Ausführungsbeispiel ein Betonstein 10 gezeigt, der im Grundriss viereckig ausgebildet ist, jedoch mit gewölbten Sichtflächen 32, 33. Durch entsprechende Formung sind diese Sichtflächen 32, 33 ballig bzw. tonnenartig nach außen gewölbt. Einander gegenüberliegende Stirnseiten 34, 35 sind eben, und zwar zur Sichtfläche 32 konvergierend. Aus einem so ausgebildeten Betonstein können insbesondere Stützmauern gefertigt werden.The provided with one or more structured outer sides concrete block 10 may be formed in different ways, even as a hollow body. In Fig. 9, Fig. 10 and Fig. 11 is a concrete block 10 is shown as an exemplary embodiment, which is square in plan, but with curved viewing surfaces 32, 33. By appropriate shaping these viewing surfaces 32, 33 are spherical or barrel-like outward arched. Opposing end faces 34, 35 are flat, namely converging to the viewing surface 32. From such a trained concrete block in particular retaining walls can be made.

Die Seitenflächen 32 ... 35 können unterschiedlich strukturiert sein. Bei dem Ausführungsbeispiel in Fig. 9 ist die (größere) Sichtfläche 33 mit einer durch Abstreifen von Beton geschaffenen Struktur versehen. Vorteilhaft ist eine Ausführung, bei der beide einander gegenüberliegenden Sichtflächen 32, 33 so ausgebildet sind. Bei dem Beispiel gemäß Fig. 10 sind alle Seitenflächen mit dieser Struktur ausgebildet.The side surfaces 32 ... 35 can be structured differently. In the embodiment in Fig. 9, the (larger) visible surface 33 is provided with a structure created by stripping concrete. Advantageously, an embodiment in which both opposing viewing surfaces 32, 33 are formed. In the example according to FIG. 10, all side surfaces are formed with this structure.

Diese Form des Betonsteins 10 ist perspektivisch in Fig. 11 gezeigt, wobei zusätzlich an einer Oberseite und an einer Unterseite eine im Querschnitt trapezförmige Nut 36 eingeformt ist zum Einsetzen von Verankerungsorganen für benachbarte Formsteine 10.This shape of the concrete block 10 is shown in perspective in FIG. 11, wherein in addition a trapezoidal cross-sectional groove 36 is formed on an upper side and on an underside for insertion of anchoring members for adjacent shaped blocks 10.

Die beschriebene Vorrichtung bzw. das Verfahren zum Herstellen strukturierter Flächen durch Abstreifen von Beton kann auch bei anderen Formkörpern aus Beton verwendet werden. Fig. 12 zeigt einen im wesentlichen zylindrischen Hohlkörper aus Beton, der insbesondere als Pflanzring 37 zum Einsatz kommt. Die zylindrische Außenfläche 38 ist vorzugsweise ringsherum durch Abstreifen von Beton strukturiert.The described device or the method for producing structured surfaces by stripping concrete can also be used in other concrete moldings. Fig. 12 shows a substantially cylindrical hollow body made of concrete, which comes in particular as a planting ring 37 is used. The cylindrical outer surface 38 is preferably structured around by stripping concrete.

In analoger Weise ist ein zylindrischer, massiver, langgestreckter Formling 39 entlang der gesamten zylindrischen Außenfläche 38 durch Abstreifen von Beton mit einer Struktur versehen. Dieser Formling 39 kann beispielsweise als Palisaden-Element eingesetzt werden.Analogously, a cylindrical, solid, elongated blank 39 along the entire cylindrical outer surface 38 is provided by stripping concrete with a structure. This molding 39 can be used for example as a palisade element.

Betonsteine insbesondere in der Ausführung gemäß Fig. 9 bis Fig. 11 können rationell in einer Betonform gemäß Fig. 14 mit mehreren Formnestern 14 gefertigt werden. Diese sind in (drei) Querreihen angeordnet mit jeweils mehreren Formnestern 14. Bei einer im Grundriss annähernd trapezförmigen Gestalt des Betonsteins 10, also mit konvergierenden Stirnseiten 34, 35, sind die Formnester mit wechselnder Ausrichtung innerhalb einer Reihe angeordnet, so dass eine optimale Raumnutzung gegeben ist. Die einzelnen Formnester 14 sind so ausgebildet, dass an zwei gegenüberliegenden Seiten, nämlich an den beiden Sichtflächen 32, 33, Beton abgestreift wird. Jedem Formnest 14 ist, wie grundsätzlich üblich, ein Stempel 21 (nicht gezeigt in Fig. 14) zugeordnet. Die gesamte Betonform gemäss Fig. 14 wird zum Abstreifen von Beton als Einheit angehoben, derart, dass alle Betonsteine 10 in den Formnestern 14 gleichzeitig durch Abstreifen von Beton bearbeitet werden.Concrete blocks, in particular in the embodiment according to FIGS. 9 to 11, can be manufactured efficiently in a concrete form according to FIG. 14 with a plurality of mold cavities 14. These are arranged in (three) transverse rows, each with a plurality of mold cavities 14. In an approximately trapezoidal in plan view of the concrete block 10, ie with converging end faces 34, 35, the mold cavities are arranged with alternating orientation within a row, so given an optimal use of space is. The individual mold cavities 14 are designed such that concrete is stripped off on two opposite sides, namely on the two visible surfaces 32, 33. Each mold cavity 14 is, as is generally customary, assigned a stamp 21 (not shown in FIG. 14). The entire concrete mold according to FIG. 14 is lifted to remove concrete as a unit, such that all concrete blocks 10 in the mold cavities 14 are simultaneously machined by stripping concrete.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Betonsteinconcrete block
1111
Betonschichtconcrete layer
1212
Außenseiteoutside
1313
Betonformconcrete form
1414
Formnestcavity
1515
Formwandmold wall
1616
Formwandmold wall
1717
Formwandmold wall
1818
Formwandmold wall
1919
Unterlagsbrettsupport board
2020
Rütteltischshaking table
2121
Stempelstamp
2222
Stempelplattestamp plate
2323
Abstreiferscraper
2424
Abstreifkantestripping
2525
AbstreifbetonAbstreifbeton
2626
Tragstegcarrying web
2727
Öffnungopening
2828
Abdeckwandcover wall
2929
Kammerchamber
3030
Oberwandupper wall
3131
Außenseiteoutside
3232
Sichtflächeviewing area
3333
Sichtflächeviewing area
3434
Stirnseitefront
3535
Stirnseitefront
3636
Nutgroove
3737
Pflanzringplanting ring
3838
Außenflächeouter surface
3939
Formlingmolding

Claims (9)

  1. Device for the production of concrete mouldings, such as concrete blocks (10), hollow concrete articles, etc., which have a roughened surface formed by removing concrete on an outer side (12) of the green moulding while stripping the latter from the mould, wherein a concrete mould (13) comprises a mould cavity (14) which is enclosed laterally by mould walls (15.. 18) and into which concrete can be introduced, and wherein the mould walls (15.. 18) can be moved in the upward direction to strip the moulding from the mould, and wherein a scraper (23) is part of the concrete mould (13), namely part of a mould wall (15), and wherein the scraper (23), together with the mould wall (15), can be moved in the upward direction along the outside of the moulding while the latter is being stripped from the mould and thereby scrape off concrete on an outer side (12) of the moulding, characterized in that:
    a) the mould wall (15) has an opening (27) above the scraper (23) to allow the scraped-off concrete (15) to exit the mould cavity (14),
    b) the scraped-off concrete (25) can be discharged away from the mould cavity (14) through the opening (27) on that side of the scraper (23) facing away from the moulding.
  2. Device according to Claim 1, characterized in that the scraper (23) is web-like in form with a sharpened scraping edge (24) facing the moulding, wherein concrete or scraped concrete (25) accumulating on the upper side of the scraper (23) can be ejected on that side of the scraper situated away from the scraper edge (24) as a result of being pushed off and of its own weight.
  3. Device according to Claim 2 or one of the further claims, characterized in that the web-like scraper (23) is connected to the mould wall (15) via upright carrier webs (26), wherein the opening (27) is formed in the region of the carrier webs (26).
  4. Device according to Claim 1 or one of the further claims, characterized in that a ram (21) which enters the concrete mould (13) or a mould cavity (14) thereof at an upper side has a ram plate (22) which, in the region of the scraper (23), has a clearance from the respective mould wall (15) such that the scraper (23) can be moved past the ram plate (22) when raising the concrete mould (13).
  5. Device according to Claim 1 or one of the further claims, characterized in that the scraper (23) and the opening (27) formed above the latter are arranged in the region of a chamber (29) which is open at the bottom and which is situated outside the mould cavity (14), wherein the chamber (29) is bounded by a covering wall (28) arranged at a distance from the mould wall (15).
  6. Device according to Claim 5 or one of the further claims, characterized in that the chamber (29) bounded by the covering wall (28) is open at an upper side and at a lower side.
  7. Device according to Claim 5 or one of the further claims, characterized in that the chamber (29) is closed at the upper side by an upper wall (30), in particular an inclined upper wall, which connects the covering wall (28) to the mould wall (15).
  8. Device according to Claim 1 or one of the further claims, characterized in that the concrete mould (13) comprises scrapers (23) on a plurality of sides, that is to say in the region of a plurality of mould walls (15, 16, 17, 18), for simultaneously scraping off concrete when raising the concrete mould (13), in particular on two mutually opposite sides of the concrete moulding.
  9. Method of producing concrete mouldings which have a roughened surface formed by removing concrete on an outer side (12) of the green moulding while stripping the latter from the mould, wherein concrete is introduced into a mould cavity (14) of a concrete mould (13), this cavity being enclosed laterally by mould walls (15.. 18), and wherein the mould walls (15.. 18) are moved in the upward direction to strip the moulding from the mould, and wherein a scraper (23) is part of the concrete mould (13), namely part of a mould wall (15), and wherein the scraper (23), together with the mould wall (15), is moved in the upward direction along the outside of the moulding while the latter is being stripped from the mould and thereby scrapes off concrete on an outer side (12) of the moulding, characterized in that the scraped-off concrete is discharged from the mould cavity (14) through a lateral opening (27) in the mould wall (15) above the scraper (23) on that side of the scraper (23) facing away from the moulding.
EP03770960A 2002-10-10 2003-10-09 Device for the production of formed concrete pieces having a rough surface and formed concrete piece Expired - Lifetime EP1551606B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10247259A DE10247259A1 (en) 2002-10-10 2002-10-10 The appliance for producing concrete blanks incorporates scraper . at least one outer surface with scraper for roughening blank
DE10247259 2002-10-10
PCT/EP2003/011163 WO2004035280A1 (en) 2002-10-10 2003-10-09 Device for the production of formed concrete pieces having a rough surface and formed concrete piece

Publications (2)

Publication Number Publication Date
EP1551606A1 EP1551606A1 (en) 2005-07-13
EP1551606B1 true EP1551606B1 (en) 2007-06-27

Family

ID=32038453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03770960A Expired - Lifetime EP1551606B1 (en) 2002-10-10 2003-10-09 Device for the production of formed concrete pieces having a rough surface and formed concrete piece

Country Status (6)

Country Link
EP (1) EP1551606B1 (en)
AT (1) ATE365615T1 (en)
AU (1) AU2003280352A1 (en)
DE (2) DE10247259A1 (en)
ES (1) ES2289335T3 (en)
WO (1) WO2004035280A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10344194A1 (en) * 2003-09-22 2005-04-21 Sf Koop Gmbh Beton Konzepte Device for the production of molded articles from concrete
DE102004024802A1 (en) 2004-05-17 2005-12-08 Sf-Kooperation Gmbh Beton-Konzepte Retaining wall and concrete block for the production of a retaining wall
DE102005012199A1 (en) * 2005-03-15 2006-09-21 Sf-Kooperation Gmbh Beton-Konzepte Device for the production of molded articles from concrete
DE102006022267A1 (en) * 2006-05-11 2007-11-15 Sf-Kooperation Gmbh Beton-Konzepte Process for producing a concrete product

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US810748A (en) * 1905-02-21 1906-01-23 Edwin N Sanderson Concrete building-block.
DE3741618A1 (en) * 1987-12-09 1989-06-22 Metten Produktion & Handel METHOD FOR PRODUCING AND / OR TREATING CONCRETE STONES
US5078940A (en) * 1990-05-31 1992-01-07 Sayles Jerome D Method for forming an irregular surface block
EP0947299B2 (en) * 1997-12-11 2006-10-04 Entwicklungsgesellschaft Wolfgang Hoesch GdbR Process and apparatus for making concrete products with exposed aggregates
JP2002113710A (en) * 2000-10-12 2002-04-16 Nitsutai Kogyo Kk Method and apparatus for forming patterned tile

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE50307580D1 (en) 2007-08-09
ATE365615T1 (en) 2007-07-15
EP1551606A1 (en) 2005-07-13
ES2289335T3 (en) 2008-02-01
AU2003280352A1 (en) 2004-05-04
WO2004035280A1 (en) 2004-04-29
DE10247259A1 (en) 2004-04-22

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