EP0060961B1 - Paving stone and device for its manufacture - Google Patents

Paving stone and device for its manufacture Download PDF

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Publication number
EP0060961B1
EP0060961B1 EP81810120A EP81810120A EP0060961B1 EP 0060961 B1 EP0060961 B1 EP 0060961B1 EP 81810120 A EP81810120 A EP 81810120A EP 81810120 A EP81810120 A EP 81810120A EP 0060961 B1 EP0060961 B1 EP 0060961B1
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EP
European Patent Office
Prior art keywords
paving
stone
stones
paving stone
perimeter
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.)
Expired
Application number
EP81810120A
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German (de)
French (fr)
Other versions
EP0060961A1 (en
Inventor
Rolf Scheiwiller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCHEIWILLER, ROLF
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT81810120T priority Critical patent/ATE7409T1/en
Priority to EP81810120A priority patent/EP0060961B1/en
Priority to DE8181810120T priority patent/DE3163465D1/en
Priority to DK108982A priority patent/DK153851C/en
Priority to AU81638/82A priority patent/AU544954B2/en
Priority to CA000399165A priority patent/CA1185473A/en
Priority to JP57047037A priority patent/JPS57169104A/en
Publication of EP0060961A1 publication Critical patent/EP0060961A1/en
Application granted granted Critical
Publication of EP0060961B1 publication Critical patent/EP0060961B1/en
Priority to US06/692,329 priority patent/US4627764A/en
Expired legal-status Critical Current

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Classifications

    • 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
    • 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
    • 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0097—Press moulds; Press-mould and press-ram assemblies
    • 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
    • B28B7/346—Manufacture of moulds
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C5/00—Pavings made of prefabricated single units
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2201/00—Paving elements
    • E01C2201/16—Elements joined together
    • E01C2201/162—Elements joined together with breaking lines

Definitions

  • the present invention relates to a paving stone with a lower, higher part with a larger circumference in horizontal section and an upper, lower part of a smaller circumference in horizontal section, with a horizontally circumferential shoulder connecting the two parts to form a joint between laid paving stones; and a device for producing such paving stones.
  • the paving stone a certain appearance or joint pattern, for example with surfaces that are curved outwards, as are known to applicants on paving stones; or that they have the appearance of natural stones.
  • the individual stones have to be hewn and adapted to each other, which means that laying them is very labor-intensive and therefore expensive and it is practically impossible to obtain an even approximately regular joint pattern.
  • the cohesion is not always given, especially in the case of heavy loads from trucks, whereby the sand or bitumen between the joints first loosens, which leads to loosening of the stones.
  • FIG. 1 A first embodiment of a paving stone 1 can be seen in FIG. 1, which has a shoulder 2, this shoulder dividing the stone into a part 3 with a larger circumference and a part 4 with a smaller circumference, the height of the part 3 being greater than the height of the part 4.
  • both parts 3 and 4 have an outwardly curved circumferential surface in the middle and the lower part has a corrugation 6 which allows the stones to be well interlocked, see also FIG. 4.
  • paragraph 2 creates a joint between two adjacent stones.
  • FIG. 2 shows a paving stone 5, the surface of which is similar to a natural stone. Even in the installed state according to FIG. 3, uniform joints 8 are produced, as is aimed at with natural stone paving.
  • the lower stepped part 3 has a corrugation 7.
  • the use of paving stones similar to those of natural stones makes laying easy, since on the one hand there is a very good hold between the individual stones and on the other hand the stones do not have to be properly trimmed because they are very regular.
  • 5 shows how the joints 8 between the individual stones are filled with either sand or bitumen 9.
  • 6 shows a further embodiment variant, in which the stone 10 has a notch 11 in the middle of the same width as the joint 8, on which the stone can be separated in two by impact. This creates the variations indicated in Fig. 3 between long and short stone.
  • a further example of a toothing 12 is given in FIG. 1, wherein several toothings can also be arranged on each side.
  • the stones shown in Fig. 1, 2, 6 and 7 show only a very small section of the large variety of paving stones, which can be made according to the recognizable principle of a split in height.
  • the stone according to FIG. 1 can be corrugated at the bottom as shown or have a toothing 12 like that of FIG can and also have a greater length or be shorter.
  • the corrugation 6 and 7 can be of a different type than that indicated in FIGS. 1 and 2.
  • the basic shapes of the two parts can differ from one another, which results in different joint widths. At the corrugation 6 and 7 and toothing 12 a certain play is to be taken into account in order to compensate for unevenness.
  • the molding box 13 is welded, screwed or otherwise joined together from two parts 14 and 15, the openings of the upper part 14 having smaller widths than those of the lower part 15 and the lower part 15 having a greater height than the upper part 14.
  • the two parts are welded together and the weld seams can be recognized by paragraph 16.
  • a correspondingly shaped sheet is introduced in the lower part 15.
  • the stamp 17 need not be changed compared to previously known stamps, since the stone can thus be easily pushed out of the mold.
  • the molding box 13 can be adapted to the desired shapes, and inserts in the upper part 14 or in the lower part 15 can also be used.
  • the known materials and the various desired colors can be used for the production of the paving stones according to the invention.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Road Paving Structures (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Pens And Brushes (AREA)
  • Glass Compositions (AREA)
  • Brushes (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Tires In General (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The paving stone comprises a recess which divides the stone into an upper part having a smaller circumference and a lower part with a greater circumference. The lower part, having also a greater height than the upper part, comprises a ribbing or other vertically oriented interlocking means and the upper part can have the appearance of a natural stone. The shape of either the upper or the lower part may be chosen arbitrarily and independent from each other. The molding box for the manufacturing of such paving stones is made of two pieces joined together and comprises the corresponding recess. The lower piece comprises an insert for forming interlocking means.

Description

Die vorliegende Erfindung bezieht sich auf einen Pflasterstein mit einem unteren, höheren Teil mit grösserem Umfang im Horizontalschnitt und einem oberen, niedrigeren Teil von kleinerem Umfang im Horizontalschnitt, mit einem die beiden Teile verbindenden horizontal umlaufenden Absatz zur Bildung einer Fuge zwischen verlegten Pflastersteinen; und auf eine Vorrichtung zur Herstellung solcher Pflastersteine.The present invention relates to a paving stone with a lower, higher part with a larger circumference in horizontal section and an upper, lower part of a smaller circumference in horizontal section, with a horizontally circumferential shoulder connecting the two parts to form a joint between laid paving stones; and a device for producing such paving stones.

Aus der FR-A-943 877 sind Platten für Bürgersteige bekannt, die eine umlaufende Halbrinne für das Ableiten von Regenwasser aufweisen, wobei diese Platten leicht entfernbar sein sollen und den Zugang zu unterhalb dieser Platten gelegenen Gas-, Wasser- oder Lichtleitungen erleichtern sollen. Bei einem Pflasterstein ist jedoch gerade das Gegenteil, das heisst eine möglichst gute Verankerung wichtig.From FR-A-943 877 plates for sidewalks are known which have a circumferential half-channel for the drainage of rainwater, these plates should be easily removable and should facilitate access to gas, water or light pipes located below these plates. In the case of a paving stone, however, the opposite is important, i.e. anchoring as well as possible is important.

Ausserdem ist es bekannt, Pflastersteine mit Verzahnungen zu versehen, beispielsweise wie in der DE-A-1 658513 oder DE-U1-7 829810. Diese durchgehenden Verzahnungen bedingen jedoch, dass die im verlegten Zustand sichtbare obere Berandung des Steines der äusseren Form folgt und dadurch das Fugenbild durch die technisch bedingten Verzahnungen geprägt wird.In addition, it is known to provide paving stones with serrations, for example as in DE-A-1 658513 or DE-U1-7 829810. However, these continuous serrations mean that the upper edge of the stone which is visible in the laid state follows the outer shape and This means that the joint pattern is shaped by the technical gearing.

Ferner ist es oft erwünscht, dem Pflasterstein ein bestimmtes Aussehen oder Fugenbild zu verleihen, beispielsweise mit nach aussen gewölbten Flächen, wie sie durch den Anmelder an Pflastersteinen bekannt sind; oder dass sie das Aussehen von Natursteinen aufweisen. Bei Natursteinen müssen die einzelnen Steine behauen und einander angepasst werden, wodurch das Verlegen sehr arbeitsaufwendig und daher teuer ist und es praktisch nicht möglich ist, ein auch nur annähernd regelmässiges Fugenbild zu erhalten. Vor allem ist der Zusammenhalt nicht immer gegeben, besonders bei schwerer Beanspruchung durch Lastwagen, wobei sich zunächst der Sand oder Bitumen zwischen den Fugen löst, was zu einer Lockerung der Steine führt.Furthermore, it is often desirable to give the paving stone a certain appearance or joint pattern, for example with surfaces that are curved outwards, as are known to applicants on paving stones; or that they have the appearance of natural stones. In the case of natural stones, the individual stones have to be hewn and adapted to each other, which means that laying them is very labor-intensive and therefore expensive and it is practically impossible to obtain an even approximately regular joint pattern. Above all, the cohesion is not always given, especially in the case of heavy loads from trucks, whereby the sand or bitumen between the joints first loosens, which leads to loosening of the stones.

Es ist demgegenüber Aufgabe der vorliegenden Erfindung einen Pflasterstein anzugeben, der eine gute Verankerung gewährleistet, dessen im verlegten Zustand sichtbarer, oberer Teil von der durch die Verankerung bedingte Formgestaltung weitgehend unabhängig ist und ein regelmässiges Fugenbild ermöglicht und der sich zudem leicht verlegen lässt. Diese Aufgabe wird mit einem in den Ansprüchen beschriebenen Pflasterstein gelöst.In contrast, it is an object of the present invention to provide a paving stone which ensures good anchoring, the upper part which is visible in the installed state is largely independent of the shape design due to the anchoring and enables a regular joint pattern and which is also easy to install. This object is achieved with a paving stone described in the claims.

Die Erfindung wird nun anhand einer Zeichnung von Ausführungsbeispielen näher erläutert werden.

  • Fig. 1 zeigt eine erste Ausführungsform eines Pflastersteins,
  • Fig. 2 zeigt einen weiteren Pflasterstein,
  • Fig. 3 zeigt verlegte Pflastersteine gemäss Fig. 2,
  • Fig. 4 zeigt eine Ausschnittsvergrösserung von Fig. 3,
  • Fig. 5 zeigt, im Schnitt, zwei verlegte Pflastersteine,
  • Fig. 6 zeigt einen weiteren Pflasterstein,
  • Fig. 7 zeigt eine weitere Ausführungsform eines Pflastersteins,
  • Fig. 8 zeigt, im Schnitt, eine Presseinrichtung und
  • Fig. 9 zeigt in perspektivischer Sicht einen erfindungsgemässen Formkasten.
The invention will now be explained in more detail with reference to a drawing of exemplary embodiments.
  • 1 shows a first embodiment of a paving stone,
  • 2 shows another paving stone,
  • 3 shows paving stones laid according to FIG. 2,
  • FIG. 4 shows an enlarged detail from FIG. 3,
  • 5 shows, in section, two laid paving stones,
  • 6 shows another paving stone,
  • 7 shows a further embodiment of a paving stone,
  • Fig. 8 shows, in section, a pressing device and
  • 9 shows a molding box according to the invention in a perspective view.

Man erkennt in Fig. eine erste Ausführungsform eines Pflastersteins 1, der einen Absatz 2 aufweist, wobei dieser Absatz den Stein in einen Teil 3 mit einem grösseren Umfang und einen Teil 4 mit einem kleineren Umfang teilt, wobei die Höhe des Teil 3 grösser ist als die Höhe des Teil 4. In vorliegendem Fall weisen beide Teile 3 und 4 in der Mitte eine nach aussen gewölbte Umfangsfläche auf und der untere Teil eine Riffelung 6, die eine gute Verzahnung der Steine untereinander erlaubt, siehe auch Fig.4. Im verlegten Zustand entsteht durch den Absatz 2 eine Fuge zwischen zwei benachbarten Steinen.A first embodiment of a paving stone 1 can be seen in FIG. 1, which has a shoulder 2, this shoulder dividing the stone into a part 3 with a larger circumference and a part 4 with a smaller circumference, the height of the part 3 being greater than the height of the part 4. In the present case, both parts 3 and 4 have an outwardly curved circumferential surface in the middle and the lower part has a corrugation 6 which allows the stones to be well interlocked, see also FIG. 4. When installed, paragraph 2 creates a joint between two adjacent stones.

In Fig.2 ist ein Pflasterstein 5 dargestellt, dessen Oberfläche einem Naturstein ähnlich ist. Auch im verlegten Zustand gemäss Fig. 3 entstehen gleichmässige Fugen 8, wie dies bei Natursteinpflasterung angestrebt wird. Der untere abgesetzte Teil 3 weist eine Riffelung 7 auf. Durch die Verwendung von solchen Natursteinen ähnlichen Pflastersteinen wird die Verlegung einfach, da einerseits ein sehr guter Halt zwischen den einzelnen Steinen besteht und andererseits die Steine nicht zurecht behauen werden müssen, da sie eine grosse Regelmässigkeit aufweisen. In Fig. 5 erkennt man, wie die Fugen 8 zwischen den einzelnen Steinen entweder durch Sand oder Bitumen 9 ausgefüllt werden. In Fig. 6 erkennt man eine weitere Ausführungsvariante, bei welcher der Stein 10 in der Mitte eine Kerbe 11 von gleicher Breite wie die Fuge 8 aufweist, an welcher der Stein durch Schlag entzweigetrennt werden kann. Dadurch entstehen die in Fig. 3 angedeuteten Variationen zwischen Lang- und Kurzstein. In Fig. ist ein weiteres Beispiel einer Verzahnung 12 angegeben, wobei auch pro Seite mehrere Verzahnungen angeordnet sein können.2 shows a paving stone 5, the surface of which is similar to a natural stone. Even in the installed state according to FIG. 3, uniform joints 8 are produced, as is aimed at with natural stone paving. The lower stepped part 3 has a corrugation 7. The use of paving stones similar to those of natural stones makes laying easy, since on the one hand there is a very good hold between the individual stones and on the other hand the stones do not have to be properly trimmed because they are very regular. 5 shows how the joints 8 between the individual stones are filled with either sand or bitumen 9. 6 shows a further embodiment variant, in which the stone 10 has a notch 11 in the middle of the same width as the joint 8, on which the stone can be separated in two by impact. This creates the variations indicated in Fig. 3 between long and short stone. A further example of a toothing 12 is given in FIG. 1, wherein several toothings can also be arranged on each side.

Die in Fig. 1, 2, 6 und 7 gezeigten Steine zeigen nur einen sehr kleinen Ausschnitt aus der grossen Vielfalt von Pflastersteinen, die nach dem erkennbaren Prinzip einer in der Höhe durchgeführten Zweiteilung hergestellt werden können. So kann beispielsweise der Stein gemäss Fig. 1 unten geriffelt wie gezeigt oder eine Verzahnung 12 aufweisen wie diejenige von Fig. 7. Selbstverständlich kann der Stein jegliche andere Form aufweisen, wie zum Beispiel die Form eines Kreissektors, um den Stein in einem Kreis verlegen zu können und auch eine grössere Länge aufweisen oder auch kürzer sein. Selbstverständlich kann auch die Riffelung 6 und 7 anders geartet sein als in den Figuren 1 und 2 angedeutet ist. Ausserdem können auch die Grundformen beider Teile untereinander verschieden sein, wodurch sich unterschiedliche Fugenbreiten ergeben. Bei der Riffelung 6 und 7 und Verzahnung 12 ist ein gewisses Spiel in Rechnung zu stellen, um Unebenheiten ausgleichen zu können.The stones shown in Fig. 1, 2, 6 and 7 show only a very small section of the large variety of paving stones, which can be made according to the recognizable principle of a split in height. For example, the stone according to FIG. 1 can be corrugated at the bottom as shown or have a toothing 12 like that of FIG can and also have a greater length or be shorter. Of course, the corrugation 6 and 7 can be of a different type than that indicated in FIGS. 1 and 2. In addition, the basic shapes of the two parts can differ from one another, which results in different joint widths. At the corrugation 6 and 7 and toothing 12 a certain play is to be taken into account in order to compensate for unevenness.

In den Fig. 8 und 9 ist eine Presseinrichtung und ein Formkasten zur Herstellung der oben beschriebenen Pflastersteine dargestellt. Der Formkasten 13 ist aus zwei Teilen 14 und 15 zusammengeschweisst, geschraubt oder sonstwie zusammengefügt, wobei die Öffnungen des oberen Teiles 14 kleinere Weiten aufweisen als die des unteren Teiles 15 und der untere Teil 15 eine grössere Höhe aufweist als der obere Teil 14. In vorliegendem Beispiel gemäss Fig. 9 sind die zwei Teile zusammengeschweisst und man erkennt am Absatz 16 die Schweissnähte. Um die Riffelung 6 oder 7 des Steines 1 oder 5 oder die Verzahnung 12 herzustellen, wird im unteren Teil 15 ein entsprechend geformtes Blech eingebracht. Wie aus Fig. 8 hervorgeht, braucht der Stempel 17 gegenüber vorbekannten Stempeln nicht verändert zu werden, da damit der Stein leicht aus der Form gestossen werden kann. Man erkennt aus Fig. 8 ferner den beweglichen Boden 18, welcher beim Ausstossen der vorgefertigten Steine 19 weggeschoben wird. Das Herstellungsverfahren an sich ist das gleiche wie bei anderen vorbekannten Steinen, wonach das Material eingefüllt und anschliessend verdichtet wird und nach dem Verfestigen mittels der Stempel ausgestossen und mit dem beweglichen Brett abtransportiert wird. Es ist selbstverständlich, dass der Formkasten 13 den gewünschten Formen angepasst werden kann, wobei auch Einlagen im oberen Teil 14 oder im unteren Teil 15 verwendet werden können. Für die Herstellung der erfindungsgemässen Pflastersteine können die bekannten Materialien und die verschiedensten gewünschten Farben verwendet werden.8 and 9, a pressing device and a molding box for producing the paving stones described above is shown. The molding box 13 is welded, screwed or otherwise joined together from two parts 14 and 15, the openings of the upper part 14 having smaller widths than those of the lower part 15 and the lower part 15 having a greater height than the upper part 14. In the present case 9, the two parts are welded together and the weld seams can be recognized by paragraph 16. In order to produce the corrugation 6 or 7 of the stone 1 or 5 or the toothing 12, a correspondingly shaped sheet is introduced in the lower part 15. As can be seen from FIG. 8, the stamp 17 need not be changed compared to previously known stamps, since the stone can thus be easily pushed out of the mold. 8 also shows the movable floor 18, which is pushed away when the prefabricated stones 19 are ejected. The manufacturing process itself is the same as with other previously known stones, after which the material is filled in and then compressed and, after solidification, is ejected by means of the stamp and transported away with the movable board. It goes without saying that the molding box 13 can be adapted to the desired shapes, and inserts in the upper part 14 or in the lower part 15 can also be used. The known materials and the various desired colors can be used for the production of the paving stones according to the invention.

Claims (4)

1. A paving stone consisting of a lower, higher part (3) with a greater perimeter in the horizontal section and an upper, less higher part (4) of smaller perimeter in the horizontal section, with a horizontal surrounding step (2) connecting the two parts (3, 4) for forming a joint between laid down paving stones, characterized in that the lower part (3) is provided with vertical indentations (6, 7, 12) distributed over its circumference which run into the step (2) and the rims of the upper part (4) being arched outwards or comprising lateral faces irregularly shaped like a natural stone.
2. A paving stone according to claim 1, characterized in that it has the external shape of a sector of a circle.
3. A paving stone according to claim 1, characterized in that it comprises in its middle part a notch (11) at which it may be splitted.
4. A device for the manufacture of a paving stone according to one of the claims 1 to 3, characterized in that it comprises a two-piece moulding box (13) the two parts (14, 15) of which being welded, screwed up or glued together and forming a step (16), the upper part (14) having a smaller inner perimeter than the higher, lower part (15) and an inner shape which is either arched outwards or irregular like a natural stone and the lower part (15) comprising an insert with vertical ribs distributed over the perimeter.
EP81810120A 1981-03-25 1981-03-25 Paving stone and device for its manufacture Expired EP0060961B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT81810120T ATE7409T1 (en) 1981-03-25 1981-03-25 COBLING STONE AND DEVICE FOR MAKING THE SAME.
EP81810120A EP0060961B1 (en) 1981-03-25 1981-03-25 Paving stone and device for its manufacture
DE8181810120T DE3163465D1 (en) 1981-03-25 1981-03-25 Paving stone and device for its manufacture
DK108982A DK153851C (en) 1981-03-25 1982-03-12 THE BRUSH AND APPARATUS FOR MANUFACTURING THEREOF.
AU81638/82A AU544954B2 (en) 1981-03-25 1982-03-17 p
CA000399165A CA1185473A (en) 1981-03-25 1982-03-23 Paving stone
JP57047037A JPS57169104A (en) 1981-03-25 1982-03-24 Paving stone and method and apparatus for producing same
US06/692,329 US4627764A (en) 1981-03-25 1985-01-17 Paving stone, process for manufacturing same and device for carrying out the manufacturing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81810120A EP0060961B1 (en) 1981-03-25 1981-03-25 Paving stone and device for its manufacture

Publications (2)

Publication Number Publication Date
EP0060961A1 EP0060961A1 (en) 1982-09-29
EP0060961B1 true EP0060961B1 (en) 1984-05-09

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ID=8188656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81810120A Expired EP0060961B1 (en) 1981-03-25 1981-03-25 Paving stone and device for its manufacture

Country Status (8)

Country Link
US (1) US4627764A (en)
EP (1) EP0060961B1 (en)
JP (1) JPS57169104A (en)
AT (1) ATE7409T1 (en)
AU (1) AU544954B2 (en)
CA (1) CA1185473A (en)
DE (1) DE3163465D1 (en)
DK (1) DK153851C (en)

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JPS57169104A (en) 1982-10-18
US4627764A (en) 1986-12-09
CA1185473A (en) 1985-04-16
ATE7409T1 (en) 1984-05-15
DK153851B (en) 1988-09-12
DK153851C (en) 1989-02-06
EP0060961A1 (en) 1982-09-29
DK108982A (en) 1982-09-26
AU544954B2 (en) 1985-06-27
JPH0236721B2 (en) 1990-08-20
DE3163465D1 (en) 1984-06-14
AU8163882A (en) 1982-09-30

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