EP0385950A2 - Construction element - Google Patents

Construction element Download PDF

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Publication number
EP0385950A2
EP0385950A2 EP90810144A EP90810144A EP0385950A2 EP 0385950 A2 EP0385950 A2 EP 0385950A2 EP 90810144 A EP90810144 A EP 90810144A EP 90810144 A EP90810144 A EP 90810144A EP 0385950 A2 EP0385950 A2 EP 0385950A2
Authority
EP
European Patent Office
Prior art keywords
sections
component
central
walls
base
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.)
Ceased
Application number
EP90810144A
Other languages
German (de)
French (fr)
Other versions
EP0385950A3 (en
Inventor
Alfred Steiner
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.)
Steiner Silidur AG
Original Assignee
Steiner Silidur AG
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
Priority to CH78789A priority Critical patent/CH678869A5/de
Priority to CH787/89 priority
Application filed by Steiner Silidur AG filed Critical Steiner Silidur AG
Publication of EP0385950A2 publication Critical patent/EP0385950A2/en
Publication of EP0385950A3 publication Critical patent/EP0385950A3/en
Ceased legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00Building elements of block or other shape for the construction of parts of buildings
    • E04C1/39Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
    • E04C1/395Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra for claustra, fences, planting walls, e.g. sound-absorbing
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/221Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
    • E01C11/222Raised kerbs, e.g. for sidewalks ; Integrated or portable means for facilitating ascent or descent
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F1/00Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/08Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
    • E01F15/081Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material
    • E01F15/083Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material using concrete
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/08Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
    • E01F15/088Details of element connection
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/04Walls having neither cavities between, nor in, the solid elements
    • E04B2/06Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position
    • E04B2/08Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/04Walls having neither cavities between, nor in, the solid elements
    • E04B2/12Walls having neither cavities between, nor in, the solid elements using elements having a general shape differing from that of a parallelepiped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202Details of connections
    • E04B2002/0243Separate connectors or inserts, e.g. pegs, pins or keys
    • E04B2002/0245Pegs or pins
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0256Special features of building elements
    • E04B2002/0263Building elements for making angled walls

Abstract

The construction elements each consist of a central section (10) and two outer sections (20, 30). The central section (10) has six straight, plane surfaces, two parallel, relatively long walls (11) and four walls (13, 14, 15, 16) which intersect one another in pairs at right angles by means of extensions. The outer sections (20, 30) are of cylindrical design and the segment of the cylindrical wall (22, 32) which lies against the central section (10) intersects the four walls (13, 14, 15, 16) so that a concave recess is formed there. The outer sections (20, 30) are half the height of the central section (10). Thus, these elements can be placed together in a row with the outer sections (20, 30) overlapping one another so as to form a carriageway border which can readily be altered or removed at any time without the elements being lost in the process. …<IMAGE>…

Description

  • Die vorliegende Erfindung betrifft ein Bauelement ge­mäss dem Oberbegriff des unabhängigen Patentanspruchs 1.The present invention relates to a component according to the preamble of independent claim 1.
  • Zur Bildung von Inseln oder Strassenverengungen im Verkehrs­wesen werden im allgemeinen zuerst provisorische Fahrbahn­ränder erstellt um damit die verkehrstechnische Eignung zu prüfen. Wenn sich dann nach einer Versuchsphase herausstellt, dass sich Unfälle ereignen, so wird die Linienführung geändert bis eine den Verkehrsfluss nicht ungünstig beeinflussende Lösung gefunden wird, die dann durch definitive Strassenbauten ersetzt wird.In order to form islands or road narrows in the traffic system, provisional roadway edges are generally created first in order to check the suitability for traffic engineering. If after an experimental phase it turns out that accidents occur, the route is changed until a solution that does not have a negative impact on the flow of traffic is found, which is then replaced by definitive road structures.
  • Es ist deshalb wichtig, dass Randsteinelemente zur Verfügung stehen, die sich auf einfache Weise zu Fahrbahnrändern ver­binden lassen.It is therefore important that curb elements are available that can be easily connected to the edges of the road.
  • Erfindungsgemäss wird dies durch Bauelemente mit den Merkmalen im kennzeichnenden Teil des Patentanspruchs 1 er­reicht.According to the invention this is achieved by components with the features in the characterizing part of patent claim 1.
  • Ein Ausführungsbeispiel wird nachfolgend anhand der Zeichnung erläutert. Es zeigen:
    • Fig. 1 eine Draufsicht auf ein Bauelement,
    • Fig. 2 eine Seitenansicht des Bauelementes nach Fig. 1 auf dessen Längsseite betrachtet,
    • Fig. 3 eine Schutzinsel in perspektivischer Darstellung die mit Bauelementen nach der Erfindung gebaut ist,
    • Fig. 4 bis 7 je eine Seitenansicht eines Zusatzelementes zur Bildung von Trockenmauern, und
    • Fig. 8 und 9 Seitenansichten von Mauerteilen.
    An embodiment is explained below with reference to the drawing. Show it:
    • 1 is a plan view of a component,
    • 2 is a side view of the component of FIG. 1 viewed on its long side,
    • 3 is a perspective view of a protective island built with components according to the invention,
    • 4 to 7 each show a side view of an additional element for forming dry walls, and
    • 8 and 9 side views of wall parts.
  • Das Bauelement 1 gemäss Fig. 1 und 2 besteht aus einem länglichen mittleren Abschnitt 10 und zwei identischen kreisrunden, äusseren Abschnitten 20, 30. Der mittlere Abschnitt 10 ist als sechseckiges Prisma mit zwei längeren parallelen Seiten 11, 12 und die übrigen 4 Seiten 13, 14, 15, 16 schliessen paar­weise in ihren Verlängerungen einen Winkel von wenigstens an­genähert 90° und mit den längeren Wänden 11, 12 je einen solchen von 145° ein. Die Aussenkanten die durch diese Verlängerungen gebildet werden, durchstossen die äusseren Abschnitte im Zentrum und sind durch ein Segment 22, 32 einer zylindrischen Wand weggeschnitten, welche zylindrische Wand als Teil der zylindrischen Wand 21, 31 der beiden äusseren Abschnitte 20, 30 angesehen werden kann.1 and 2 consists of an elongated central section 10 and two identical circular outer sections 20, 30. The central section 10 is a hexagonal prism with two longer parallel sides 11, 12 and the remaining 4 sides 13, 14, 15, 16 form in pairs in their extensions an angle of at least approximately 90 ° and with the longer walls 11, 12 each an angle of 145 °. The outer edges formed by these extensions penetrate the outer sections in the center and are cut away by a segment 22, 32 of a cylindrical wall, which cylindrical wall as part of the cylindrical Wall 21, 31 of the two outer sections 20, 30 can be viewed.
  • Zudem sind die beiden äusseren Abschnitte 20, 30 nur halb so hoch wie der mittlere Abschnitt 10, so dass beim aneinander­legen zweier Elemente die gegeneinander umgewendet angeordnet sind, die beiden äusseren Abschnitte 20, 30 gleich hoch wie der mittlere Abschnitt 10 ist und die zylindrischen Wände 21, 31 passgenau aufeinanderliegen, wobei diese Wände 21, 31 in die Ausnehmung im mittleren Abschnittt, die durch die Segmente 22, 32 gebildet sind passgenau eingreifen, wie Fig. 2 zeigt.In addition, the two outer sections 20, 30 are only half as high as the middle section 10, so that when two elements are placed against one another, the two outer sections 20, 30 are the same height as the middle section 10 and the cylindrical walls 21, 31 lie precisely on top of one another, these walls 21, 31 engaging in a precisely fitting manner in the recess in the central section formed by the segments 22, 32, as shown in FIG. 2.
  • Mit derartigen Elementen können Inseln in Strassen gebaut werden, wie bespielsweise Fig. 3 zeigt. Damit die Elemente paarweise untereinander verbunden werden können, haben die äusseren Ab­schnitte 20, 30 in den Zentren Bohrungen 23, 33 in die ein Stahlstift einsteckbar ist. Mit einem solchen Stahlstift könnte auch eine Verbindung mit dem Boden gewährleistet sein, wenn dieser als überdimensionaler Nagel ausgebildet ist.With such elements, islands can be built in streets, as shown for example in FIG. 3. So that the elements can be connected to one another in pairs, the outer sections 20, 30 have bores 23, 33 in the centers into which a steel pin can be inserted. With such a steel pin, a connection to the floor could also be ensured if it is designed as an oversized nail.
  • Solcherart gebaute Inseln oder Strassenbegrenzungen können jeder­zeit geändert werden, um so den günstigsten Verlauf der Fahr­bahnen zu bestimmen. Sie können aber auch als Provisorien ge­baut werden, die sich sofort aufstellen lassen, bis eine Strassen­baufirma Zeit hat eine definitive Baute zu erstellen, oder wenn eine solche Massnahme nur vorübergehend notwendig ist.Islands or road boundaries built in this way can be changed at any time in order to determine the most favorable route for the lanes. However, they can also be built as temporary structures that can be set up immediately until a road construction company has time to build a definitive structure, or if such a measure is only necessary temporarily.
  • Zum Ausbau der Grundidee für die Bildung von Trockenmauern sind noch Zusatzelemente gemäss Fig. 4 bis 7 vorgesehen. Die Ausbildungsform nach Fig. 4 zeigt demgemäss versetzt ange­ordnete äussere Abschnitte 20, 30 auf, derart, dass der eine mit der oberen Fläche des mittleren Abschnittes und der andere mit seiner unteren Fläche fluchtet. Es ist auch eine Ausbildungs­form gemäss Fig. 5 denkbar, bei der nur der eine äussere Ab­schnitt vorhanden ist. Eine weitere Variante zeigt Fig. 6 bei der der mittlere Abschnitt 60 noch um einen der Höhe der äusseren Abschnitte entsprechenden Betrag höher ist und somit eine drei­fache Höhe der äusseren Abschnitte aufweist. Als weitere solcher Varianten zeigt Fig. 7 einen mittleren Abschnitt 70 der nur die halbe Höhe des ursprünglichen Bauteils hat, so dass der mittlere Abschnitt 70 und die beiden äusseren Abschnitte 20, 30 dieselbe Höhe haben.Additional elements according to FIGS. 4 to 7 are also provided to expand the basic idea for the formation of dry stone walls. The embodiment according to FIG. 4 accordingly shows offset outer sections 20, 30 such that one is aligned with the upper surface of the central section and the other with its lower surface. A form of embodiment according to FIG. 5 is also conceivable, in which only one outer section is present. 6 shows a further variant in which the middle section 60 is still higher by an amount corresponding to the height of the outer sections and thus has a triple height of the outer sections. As further such variants, FIG. 7 shows a central section 70 which is only half the height of the original component, so that the central section 70 and the two outer sections 20, 30 have the same height.
  • Als letzte dargestellte Variante zeigt Fig. 8 eine Kombination von Zusatzelementen, bei denen ein erster Satz mit Elementen mit gleicher Dicke der äusseren und des mittleren Abschnittes und ein zweiter Satz gemäss der Ausführungsform nach Fig. 7 ausgebildet ist.As the last variant shown, FIG. 8 shows a combination of additional elements in which a first set is formed with elements of the same thickness of the outer and middle sections and a second set according to the embodiment according to FIG. 7.
  • In Fig. 9 ist eine Trockemauer bzw. eine Modellmauer als Ver­bundmauer dargestellt. Von unten links her betrachtet sind in der ersten Kolonne unten ein Bauelement nach Fig. 6 und darüber nur Elemente nach Fig. 2 angeordnet. Die Kolonne 2 setzt sich aus 5 Elementen nach Fig. 2 und oben einem Element nach Fig. 7 zusammen, während die dritte Kolonne wieder gleich wie die erste Kolonne mit zuoberst einem Element nach Fig. 7 aufge­baut ist. Demgegenüber besteht die vierte Kolonne nur aus Elementen nach Fig. 2.In Fig. 9 a dry wall or a model wall is shown as a composite wall. Viewed from the bottom left, a component according to FIG. 6 and above that only elements according to FIG. 2 are arranged in the first column below. The column 2 is composed of 5 elements according to FIG. 2 and above an element according to FIG. 7 together, while the third column is again constructed like the first column with an element according to FIG. 7 at the top. In contrast, the fourth column consists only of elements according to FIG. 2.

Claims (8)

1. Bauelement zur Bildung von Strassenbegrenzungen wie Randsteine und/oder Inseln ferner zum Bau von Trocken­mauern oder für Modellbauten, gekennzeichnet durch einen aus drei Abschnitten bestehenden Verbundstein der einen länglich ausgebildeten mittleren Abschnitt (10) und zwei identische kreisrunde äussere Abschnitte (20,30) umfasst.1. Component for the formation of road boundaries such as curbs and / or islands, also for the construction of dry stone walls or for model buildings, characterized by a three-section composite stone, the one elongated central section (10) and two identical circular outer sections (20, 30) includes.
2. Bauelement nach Patentanspruch 1, dadurch gekenn­zeichnet, dass die beiden äusseren Abschnitte (20,30) höchstens die halbe Höhe des mittleren Abschnittes (10) haben.2. Component according to claim 1, characterized in that the two outer sections (20, 30) have at most half the height of the central section (10).
3. Bauelement nach Patentanspruch 1, dadurch gekenn­zeichnet, dass die Grundflächen aller drei Elemente (10,20, 30) in einer gemeinsamen Ebene liegen.3. Component according to claim 1, characterized in that the base areas of all three elements (10, 20, 30) lie in a common plane.
4. Bauelement nach einem der Patentansprüche 1 bis 3, dadurch gekennzeichnet, dass der mittlere Abschnitt (10) einen sechseckigen Grundriss hat, und zwei parallele längere Seitenwände (11,12), ferner zwei daran anschliessende Seiten­wandabschnitte (13,14,15,16) die sich virtuell im Kreiszentrum der äusseren Abschnitte (20,30) in je einer gemeinsamen eben­ falls virtuellen Kante scheiden und je durch eine Kreissegment­wand (22,32) mit dem Radius der äusseren Abschnitte (20,30) begrenzt sind, umfasst.4. Component according to one of the claims 1 to 3, characterized in that the central section (10) has a hexagonal plan, and two parallel longer side walls (11, 12), further two adjoining side wall sections (13, 14, 15, 16) ) which are virtually in the center of the circle of the outer sections (20,30) in a common plane if the virtual edge separates and each is delimited by a circular segment wall (22, 32) with the radius of the outer sections (20, 30).
5. Bauelement nach Patentanspruch 4, dadurch gekenn­zeichnet, dass die Seitenwandabschnitte (13,14,15,16) mit den längeren Seitenwänden (11,12) je einen Winkel von 145° ein­schliessen.5. Component according to claim 4, characterized in that the side wall sections (13, 14, 15, 16) with the longer side walls (11, 12) each form an angle of 145 °.
6. Bauelement nach einem der Patentansprüche 1 bis 5, dadurch gekennzeichnet, dass die beiden äusseren Abschnitte in ihrem Zentrum senkrecht zur Grundfläche durchbohrt (23,33) sind, um einen Dorn durchzustossen und entweder zwei gegen­gleich aneinandergelegte Elemente ineinander zu verhängen oder eines oder zwei Elemente zusammen am Boden zu fixieren.6. Component according to one of the claims 1 to 5, characterized in that the two outer sections are drilled through in their center perpendicular to the base surface (23, 33) in order to pierce a mandrel and either to impose two oppositely placed elements on one another or one or two Fix elements together on the floor.
7. Bauelement nach einem der Patentansprüche 1 bis 6 für die Bildung von Trockenmauern, dadurch gekennzeichnet, dass grundsätzliche Verbindungselemente vorhanden sind, die nur einseitig einen äusseren Abschnitt (20,30) aufweisen, und/oder bei denen die Grundflächen wenigstens eines der äusseren Ab­schnitte (20,30) auf einer anderen Ebene als die Grundfläche des mittleren Abschnittes (10) liegt, oder bei denen der mittlere Abschnitt (10) die gleiche Höhe hat wie die beiden äusseren Abschnitte.7. Component according to one of claims 1 to 6 for the formation of dry stone walls, characterized in that there are basic connecting elements which have an outer section (20, 30) only on one side, and / or in which the base areas of at least one of the outer sections (20,30) is on a different level than the base of the central section (10), or in which the central section (10) has the same height as the two outer sections.
8. Bauelement nach einem der Patentansprüche 1 bis 5 und 7 zur Verwendung als Modellelemente, dadurch gekenn­zeichnet, dass die äusseren Abschnitte (20,30) in ihren Zentren einerseits einen männlichen Teil und anderseits einen weiblichen Teil eines Druckknopfverschlusses aufweisen.8. Component according to one of claims 1 to 5 and 7 for use as model elements, characterized in that the outer sections (20, 30) have in their centers on the one hand a male part and on the other hand a female part of a snap fastener.
EP19900810144 1989-03-02 1990-02-26 Construction element Ceased EP0385950A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH78789A CH678869A5 (en) 1989-03-02 1989-03-02
CH787/89 1989-03-02

Publications (2)

Publication Number Publication Date
EP0385950A2 true EP0385950A2 (en) 1990-09-05
EP0385950A3 EP0385950A3 (en) 1990-11-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900810144 Ceased EP0385950A3 (en) 1989-03-02 1990-02-26 Construction element

Country Status (9)

Country Link
US (1) US5080523A (en)
EP (1) EP0385950A3 (en)
JP (1) JPH02292405A (en)
KR (1) KR900014691A (en)
CA (1) CA2010725A1 (en)
CH (1) CH678869A5 (en)
NO (1) NO900957L (en)
PT (1) PT93297A (en)
ZA (1) ZA9001501B (en)

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EP0481152A1 (en) * 1990-10-18 1992-04-22 Scheiwiller, Rolf Construction elements for building walls, pillars and troughs
EP0543143A2 (en) * 1991-11-16 1993-05-26 Klaus Gloistein Rotable stone for the demarcation
EP0618332A1 (en) * 1993-03-31 1994-10-05 Peter Lüft Guiding and protecting system particularly for the safety of traffic routes
US5548938A (en) * 1992-06-19 1996-08-27 Rene Scheiwiller Set of masonry blocks
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WO2019197342A1 (en) * 2018-04-12 2019-10-17 Rebloc Gmbh Protective arrangement
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Also Published As

Publication number Publication date
ZA9001501B (en) 1990-12-28
US5080523A (en) 1992-01-14
KR900014691A (en) 1990-10-24
NO900957L (en) 1990-09-03
CH678869A5 (en) 1991-11-15
NO900957D0 (en) 1990-02-28
JPH02292405A (en) 1990-12-03
CA2010725A1 (en) 1990-09-02
EP0385950A3 (en) 1990-11-28
PT93297A (en) 1991-10-15

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