EP0112287A1 - Drainage channel - Google Patents

Drainage channel Download PDF

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Publication number
EP0112287A1
EP0112287A1 EP19830810547 EP83810547A EP0112287A1 EP 0112287 A1 EP0112287 A1 EP 0112287A1 EP 19830810547 EP19830810547 EP 19830810547 EP 83810547 A EP83810547 A EP 83810547A EP 0112287 A1 EP0112287 A1 EP 0112287A1
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EP
European Patent Office
Prior art keywords
frame
drainage channel
side walls
channel according
bolt
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.)
Granted
Application number
EP19830810547
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German (de)
French (fr)
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EP0112287B2 (en
EP0112287B1 (en
Inventor
Roland Thomann
Markus Amann
Heinz-Dieter Brink
Heinz Witschi
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Poly Bauelemente AG
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Poly Bauelemente AG
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Priority claimed from CH682682A external-priority patent/CH644416A5/en
Priority claimed from CH566283A external-priority patent/CH644417A5/en
Application filed by Poly Bauelemente AG filed Critical Poly Bauelemente AG
Priority to AT83810547T priority Critical patent/ATE14766T1/en
Priority to DE8484111324T priority patent/DE3370038D1/en
Publication of EP0112287A1 publication Critical patent/EP0112287A1/en
Application granted granted Critical
Publication of EP0112287B1 publication Critical patent/EP0112287B1/en
Publication of EP0112287B2 publication Critical patent/EP0112287B2/en
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Classifications

    • 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
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224—Surface drainage of streets
    • E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6851—With casing, support, protector or static constructional installations
    • Y10T137/6966—Static constructional installations
    • Y10T137/6991—Ground supporting enclosure
    • Y10T137/6995—Valve and meter wells
    • Y10T137/7021—Covers

Definitions

  • the present invention relates to a drainage channel with a U-shaped channel body and with grids that can be used in frames closed on four sides, in which channel body the side walls are locked with recesses for receiving grates, each of which is rotatably fastened to the same, and furthermore the bearing surfaces of the Sidewalls for the frame are formed in stages with an external raised support rib and an internal depressed shaped shoulder, and which frame is provided with support rails arranged longitudinally and recessed relative to the edge for supporting side ribs of the grate.
  • a four-sided closed cast frame is placed on a U-shaped channel body, preferably made of plastic concrete, which in turn carries the cast iron grate inserted.
  • the channel body has opposite recesses in the side walls, which are located at a distance from the support surfaces for the cast frame, and whose upper side is designed as a locking surface.
  • Below the grate there is a bolt which is pivotally supported on the grate by means of a screw connection, in order to pivot the ends under the locking surface of the recesses and to be brought there to the clamp holder by means of the screw connection.
  • the frame has chamfered surfaces on the outside, such that the tapering caused thereby at least makes it difficult to leave the foundation.
  • this has the disadvantage that the jointing becomes wedge-shaped, which means that the concrete of the covering surface can break out at the edge.
  • the two short sides of the frame give the frame, as a single built-in part, the necessary inherent strength and that of the support for the gratings, which can neither move in the longitudinal direction nor in the transverse direction. This also means that the ramen can be exposed and installed on a new quota when the wear covering is installed later.
  • the frame is provided with a plurality of brake tabs which project outward from the frame and are connected to it detachably connected to the supporting ribs of the two side walls, and in that locking bars are arranged in the side walls for lockingly receiving the ends of the bars available.
  • a drainage channel In Fig. 1, the various parts of a drainage channel are clearly visible, namely a channel body 1, a frame 2 and a grate 3.
  • the channel body is cast from polyester concrete in one piece and has lateral anchoring ribs 10, which are the better anchoring in the foundation serve.
  • lateral anchoring ribs 10 In the side walls 11 there are also openings 12 marked by weakening points, through which a known anchoring plug can be inserted after the wall section has broken out, in order to thereby achieve an additional anchoring.
  • the strength can be increased by the frame 2 placed on the channel body 1, which is also an edge protection for the channel body 1.
  • the bearing surface on the side walls 11 for the frame 2 is formed in stages with an elevated support rib 13 on the outside and a lowered shaped shoulder 14 on the inside. At the lower edge of the support rib 13 projecting beyond the side wall 11 there is a further lateral anchoring rib 15.
  • the frame 2 consists of two lateral frame parts 20 and two webs 21 connecting the ends of the frame parts 20. These webs 21 give the frame 2 the necessary inherent strength and ensure that the grids 3 are held in the longitudinal direction.
  • the frame parts 20 are provided with a lower lateral rib 22, with which outwardly projecting brake flaps 23 are integrally connected.
  • the underside of the frame parts 20 each have a groove 25, 26 at the transition point to the holding tabs 23 and at the stepped guide part 24 of the frame parts 20.
  • the outer groove 25 causes a notch in the brake flaps 23 so that, as will be described later, these can be separated if necessary.
  • the two grooves 26, 27 are formed in that the convex part 27 between the two grooves has been created by a ground recess in the casting mold and which are now used for clawing in the case of an integrally cast frame.
  • the holding tabs 23 prevent displacement of the frame 2 in the longitudinal direction.
  • the outer surface of the frame part 20 is at least approximately vertical, the upper surface.
  • the lateral rib 2 is at least approximately horizontal and the transition section is rounded.
  • the covering layer of the traffic route can thus be filled up to the frame 2, and no expensive joint tape needs to be used in time-consuming work.
  • the grate 3 has, in a known manner, elongated openings 31, arranged transversely to the longitudinal axis, between two side ribs 30.
  • the outer surfaces 32 of the side ribs 30 are also at least approximately vertical and the lower support surfaces 33 are horizontal for support on the recessed support rails 28 of the frame 2.
  • a web 40 in the frame 2 is located approximately in the middle under the grate 3 and has a through hole 41 (FIGS. 3-5) for fastening the grate 3 by means of a screw 42.
  • the head 43 of the screw 42 is sunk in a recess 34 in the grate 3.
  • Under the web 40 there is a bolt 45 screwed to the screw 42 (FIGS. 3-5). After twisting, the ends of the bolt 45 engage in the bolt holder 44 in the side walls 11, around the grate 3 and the frame 2 on the channel body l to keep.
  • the latch holder 44 will be discussed in more detail below.
  • the channel body 1 is cast into a concrete banquet 50. Any dowels are not shown.
  • the hot mix support layer (HMT) 51 is flush with the support surface 16 of the support rib 13. If the recess of the shaped shoulder 14 is now the same size as that of the support rail 28 with respect to the surface of the frame part 20, a grate 3 inserted therein is also flush with the HMT 51.
  • the screw 42 By means of the screw 42, the bolt 45 can be turned to engage the two bolt holders 44 and the grating 3 can be fastened by tightening the screw 42. .
  • the frame 2 when a cover layer 52 is later installed on the banquet 50, the frame 2 can be placed on the channel body 1 instead of the grate 3.
  • the frame 2 with the Bremslap p s can be used 23, otherwise would have the brake flap 23, as 4, from frame 2 be separated. This separation can be carried out by the groove 25 in a simple manner by means of a hammer, by striking the brake flaps 23 from above.
  • the web 40 of the frame 2 is provided with a threaded hole 41 as mentioned.
  • the screw 42 is thus inserted through the web 40 and screwed into the bolt 45.
  • the grate 3 can thus be attached to the frame 2 and both are rigidly connected to the channel body 1 by means of the bolt 45 and the bolt holder 44.
  • FIG. 5 shows the case when an upper base layer 53 is placed on the banquet 50 and then the cover layer 52 on this base layer 54.
  • the grate 3 can first be placed directly on the channel body 1 according to FIG. 2 will.
  • An intermediate frame 4 which can be placed on the support surface on the channel body 1 and has a similar support surface at the top as the channel body 1, serves to bridge the additional height.
  • the intermediate frame 4 can be designed as a housing closed on four sides, or it can have two side walls 61 connected by transverse ribs.
  • FIG. 6 shows a sectional view along the section line VI-VI in FIG. 1, that is to say cut through the latch holder 44. Again, the channel body 1 can be seen with the grate 3 lying in it, the screw 42 is screwed into the bolt 45 and the ends of the bolt 45 rest on the upper surface of the bolt holder 44.
  • FIG. 7 shows an embodiment of a bolt holder 44 cast into a side wall 11.
  • the surfaces 71 which lie in the channel body 1 are provided with ribs 72 and 73.
  • ribs 72 and 73 are provided with ribs 72 and 73.
  • other suitable convex or concave configurations of these surfaces can also serve this purpose.
  • the latch holder 44 has an approximately H-shaped profile, an outer frame 78 and a wall 75 being distinguishable.
  • This outer recess 76 of the bolt holder 44 is asymmetrical. This ensures that the bar holder 44 is only inserted into the casting mold in the correct orientation.
  • the outer surface 77 of the wall 75 is suitable as a carrier for a number plate or a company inscription.
  • the bar holder 44 When casting the channel body 1, the bar holder 44 can be easily installed. For this purpose, the bar holders 44 with the outer recesses 76 are each placed on a cam of a casting mold and the channel body is cast in this form.
  • the inner recess 78 is preferably provided with a side wall 79 enclosing an obtuse angle with the wall 76. This facilitates the pivoting of the bolt 45 into the stop position at the opposite wall 80 during the assembly of the grate 3, whereupon the bolt 45 and the grate 3 can then be screwed together.

Abstract

Die Entwässerungsrinne besteht aus Rinnenkörper (1), Gussrahmen (2) und Gussrost (3). Die Auflagefläche der Seitenwände (11) des Rinnenkörpers (1) sind stufig mit aussenliegender erhöhter Tragrippe (13) ausgebildet. Der Rahmen (2) ist rechteckförmig mit einer vertieft angeordneten Auflageschiene (28) als Auflage für die Seitenrippen (30) des Rostes (3) ausgebildet. Aussenseitig weist der Rahmen (2) abtrennbar befestigte Bremslappen (23) auf, die im eingebauten Zustand eine Verschiebung des Rahmens (2) verhindern. In den Seitenwänden (11) befinden sich im Abstand unterhalb der Auflagefläche Riegelhalter (44), mit angenähert H-förmigem Querschnitt. Diese bilden einen Abschluss zwischen Innenraum des Rinnenkörpers und Aussenraum. Innenseitig schliesst eine Seitenwand (79) einen stumpfen Winkel mit der Wand (75) ein, so dass der Riegel (45) leicht in die innere Aussparung (78) hineingedreht werden kann. Eine solche Entwässerungsrinne lässt sich leicht auf die verschiedenen Höhen bei stufenweisem Einbau der Trag- und Deckschicht anpassen, und sie lässt sich auf einfache Weise aus Polyester-Beton giessen. Dabei weist sie noch mehrere Verankerungsrippen neben den Haltelaschen auf, wodurch eine gute Verankerung nach allen Seiten gewahrleistet ist.The drainage channel consists of channel body (1), cast frame (2) and cast grate (3). The contact surface of the side walls (11) of the channel body (1) are designed in stages with an elevated support rib (13) on the outside. The frame (2) is rectangular in shape with a recessed support rail (28) as a support for the side ribs (30) of the grate (3). On the outside, the frame (2) has brake flaps (23) which can be detachably fastened and which prevent the frame (2) from moving when installed. In the side walls (11) there are bar holders (44) at a distance below the support surface, with an approximately H-shaped cross section. These form a conclusion between the interior of the channel body and the exterior. On the inside, a side wall (79) forms an obtuse angle with the wall (75) so that the bolt (45) can easily be screwed into the inner recess (78). Such a drainage channel can be easily adapted to the different heights with gradual installation of the base and top layer, and it can be easily cast from polyester concrete. It also has several anchoring ribs next to the retaining tabs, which ensures good anchoring on all sides.

Description

Die vorliegende Erfindung betrifft eine Entwässerungsrinne mit einem U-förmigen Rinnenkörper und mit in vierseitig geschlossenen Rahmen einsetzbaren Rosten, bei welchen Rinnenkörper die Seitenwände mit Ausnehmungen für die Aufnahme von jeweils einen Rost verriegelt halternden, an demselben drehbar befestigten Riegel, und wobei ferner die Auflageflächen der Seitenwände für den Rahmen stufig mit aussenliegender erhöhter Tragrippe und innenliegender abgetiefter Formschulter ausgebildet sind, und welcher Rahmen mit gegenüber dem Rand längsseits und verieft angeordneten Auflageschienen für die Auflage von Seitenrippen des Rostes versehen ist.The present invention relates to a drainage channel with a U-shaped channel body and with grids that can be used in frames closed on four sides, in which channel body the side walls are locked with recesses for receiving grates, each of which is rotatably fastened to the same, and furthermore the bearing surfaces of the Sidewalls for the frame are formed in stages with an external raised support rib and an internal depressed shaped shoulder, and which frame is provided with support rails arranged longitudinally and recessed relative to the edge for supporting side ribs of the grate.

Eine solche Entwässerungsrinne ist beispielsweise in der DE-A-28 44 748 dargestellt und beschrieben. Auf einen U-förmigen Rinnenkörper, vorzugsweise aus Kunststoff-Beton, ist ein vierseitig geschlossener Gussrahmen aufgesetzt, der seinerseits den eingelegten Gussrost trägt. Der Rinnenkörper weist in den Seitenwänden gegenüberliegende Ausnehmungen auf, die sich im Abstand von den Auflageflächen für den Gussrahmen befinden, und deren obere Seite als Verriegelungsfläche ausgebildet ist. Unterhalb des Rostes befindet sich ein Riegel, der mittels einer Schraubverbindung am Rost schwenkbar gehaltert ist, um mit den Enden unter die Verriegelungsfläche der Ausnehmungen verschwenkt und dort mittels der Schraubverbindung zur Klemmhalterung gebracht zu werden.Such a drainage channel is shown and described for example in DE-A-28 44 748. A four-sided closed cast frame is placed on a U-shaped channel body, preferably made of plastic concrete, which in turn carries the cast iron grate inserted. The channel body has opposite recesses in the side walls, which are located at a distance from the support surfaces for the cast frame, and whose upper side is designed as a locking surface. Below the grate there is a bolt which is pivotally supported on the grate by means of a screw connection, in order to pivot the ends under the locking surface of the recesses and to be brought there to the clamp holder by means of the screw connection.

Befestigungen dieser Art selbst gehören zum Stand der Technik, so ist in der FR-A-2 328 805 ein Deckel für einen Reinigungszugang in Abwasserleitungen beschrieben, bei dem mittels einer Schraube ein Ring gegen den Deckel gezogen wird, so dass eine zwischen Deckel und Ring liegende elastische Dichtung an die Wand der Oeffnung gepresst wird. In ähnlicher Weise wird gemäss US-A-1 400 399 vorgeschlagen, an einem kreisrunden Deckel für eine Zisterne zwei Verschlussstangen mittels einer Drehbewegung von der Oberseite des Deckels aus in Ausnehmungen in der Wand hineinzustossen.Fastenings of this type themselves belong to the prior art, for example in FR-A-2 328 805 a cover is described for a cleaning access in sewage pipes, in which a ring is drawn against the cover by means of a screw, so that one between the cover and the ring lying elastic seal is pressed against the wall of the opening. Similarly, it is proposed according to US-A-1 400 399 to push two locking rods into a recess on the wall of a circular lid for a cistern by means of a rotary movement from the top of the lid.

Während in der erstgenannten Veröffentlichung, der DE-A-28 44 748 noch vorgesehen war, diese Oeffnungen nur durch Schvichungsstellen in der Seitenwand zu markieren und, sie für den Gebrauch herauszuschlagen,sind solche Ausnehmungen an den Innenwänden gemäss der ebenfalls genannten US-A-1 400 399 ebenfalls bekannt.While in the first-mentioned publication, DE-A-28 44 748 it was still intended to mark these openings only by welding points in the side wall and to knock them out for use, such recesses on the inner walls are according to the also mentioned US-A- 1,400,399 is also known.

Bei eine Entwässerungsrinne gemäss der genannten DE-A-28 44 748 weist der Rahmen aussenseitig abgeschrägte Flächen auf, cerart, dass durch die damit bewirkte Verjüngung ein Ausreisen aus dem Fundament zumindest erschwert wird. Dies hat jedoch den Nachteil, dass die Verfugung keilförmig wird, wodurch der Beton der Belagsfläche an der Kante ausbrechen kann. Die beiden kurzen Seiten des Rahmens geben dem Rahmen als einzelnes Einbauteil die notwendige Eigenfestigkeit und d'enen der Halterung der Roste, die sich damit weder in Läng richtung noch in Querrichtung verschieben können. Auch knn dadurch bei späterem Verschleiss-Belagseinbau der Ramen freigelegt und auf einer neuen Quote montiert werden.In the case of a drainage channel according to DE-A-28 44 748 mentioned, the frame has chamfered surfaces on the outside, such that the tapering caused thereby at least makes it difficult to leave the foundation. However, this has the disadvantage that the jointing becomes wedge-shaped, which means that the concrete of the covering surface can break out at the edge. The two short sides of the frame give the frame, as a single built-in part, the necessary inherent strength and that of the support for the gratings, which can neither move in the longitudinal direction nor in the transverse direction. This also means that the ramen can be exposed and installed on a new quota when the wear covering is installed later.

Es hat sich jedoch gezeigt, dass die seitlichen Führungslappen, die aussenseitig am Rinnenkörper anliegen, bei einem stufenweisen Einbau der Beläge zu Schwierigkeiten führen können, weil dann allenfalls seitlich der Auflagefläche eine Rille freigehalten oder ausgefräst werden muss.However, it has been shown that the lateral guide tabs, which lie on the outside of the channel body, can lead to difficulties in the step-by-step installation of the coverings, because then a groove at the side of the contact surface must then be kept free or milled out.

Wenn ursprünglich nicht an eine Befestigung der Roste gedacht wurde, liessen sich die Ausnehmungen oftmals nicht mehr herausbrechen, oder sie mussten in aufwendiger Weise herausgemeisselt werden.If the grids were not originally thought to be attached, the recesses could often no longer be broken out, or they had to be chiseled out in a complex manner.

Bei Autobahnen oder dgl. stark beanspruchten Verkehrswegen wird oftmals schon eine Partie für den Verkehr freigegeben, beispielsweise für den Werkverkehr. Dies erfolgt schon, wenn erst die untere Tragschicht eingebaut ist. Wenn dann in einer zweiten Freigabestufe der Strassenverkehr zugelassen werden soll, erfolgt dies meistens bei eingebauter oberer Tragschicht. Eine solche obere Tragschicht kann aber bis 10 cm und manchmal auch dicker sein. Damit kann dies nicht mehr durch ein einfaches Anheben des Rahmens ausgeglichen werden. Auch wenn aber der Rahmen auf die obere Tragschicht aufgesetzt werden kann, um die endgültige Strassendecke einzubauen, bringt dies die schon erwähnten Nachteile bezüglich der Führungslappen mit sich.In the case of motorways or the like, heavily used traffic routes, a batch is often already released for traffic, for example for works traffic. This is done when the lower base layer is installed. If road traffic is then to be permitted in a second release stage, this is usually done with the upper base layer installed. However, such an upper base layer can be up to 10 cm and sometimes thicker. This can no longer be compensated for by simply lifting the frame. However, even if the frame can be placed on the upper base layer to install the final road surface, this has the disadvantages mentioned above with regard to the guide tabs.

Es ist deshalb eine Aufgabe der Erfindung, eine Entwässerungsrinne der beschriebenen Art derart zu verbessern, dass sie allen Anforderungen bezüglich der Belastbarkeit, der Einfachheit beim Einbau und der Kosten bei Herstellung und Einbau gerecht wird.It is therefore an object of the invention to improve a drainage channel of the type described in such a way that it meets all requirements with regard to the load-bearing capacity, the ease of installation and the costs for production and installation.

Erfindungsgemäss wird dies dadurch erreicht, dass der Rahmen mit mehreren, die Tragrippen der b.eiden Seitenwände nach aussen übergreifenden, vom Rahmen abstehenden und mit diesem abtrennbar verbundenen Bremslappen versehen ist, - und dass zur verriegelnden Aufnahme der Enden der Riegel in den Seitenwänden angeordnete Riegelhalter vorhanden sind.According to the invention, this is achieved in that the frame is provided with a plurality of brake tabs which project outward from the frame and are connected to it detachably connected to the supporting ribs of the two side walls, and in that locking bars are arranged in the side walls for lockingly receiving the ends of the bars available.

Besonders vorteilhafte Ausführungsformen dieser Erfindung sind in den abhängigen Ansprüchen gekennzeichnet.Particularly advantageous embodiments of this invention are characterized in the dependent claims.

Die Erfindung wird nachfolgend anhand der Zeichnung erläutert. Es zeigen:

  • Fig. 1 eine perspektivische Ansicht einer Entwässerungsrinne gemäss der Erfindung in gedehnter Darstellungsweise,
  • Fig. 2 eine Schnittansicht quer zur Längsachse der Entwässerungsrinne gemäss Fig. 1 im Einbau in einen Verkehrsweg auf der Höhe der oberen Tragschicht, jedoch mit inliegendem Rost,
  • Fig. 3 dieselbe Schnittansicht wie Fig. 2 mit aufgesetztem Rahmen im Einbau in den mit einer Deckschicht versehenen Verkehrsweg,
  • Fig. 4 dieselbe Schnittansicht wie in Fig. 2 jedoch mit entfernten Bremslappen,
  • Fig. 5 eine ähnliche Schnittansicht wie in Fig. 2, jedoch bei dreistufigem Einbau, wobei der Verkehrsweg schon bei eingebauter unterer Tragschicht benützbar ist,
  • Fig. 6 eine Schnittansicht einer Entwässerungsrinne gemäss der Schnittlinie VI-VI in Fig. 1 zur Darstellung der Verriegelungsstelle, jedoch mit inliegendem Rost
  • Fig. 7 eine perspektivische Ansicht eines eingesetzten Riegelhalters, und
  • Fig. 8 eine Schnittansicht gemäss der Schnittlinie VIII-VIII in Fig. 7.
The invention is explained below with reference to the drawing. Show it:
  • 1 is a perspective view of a drainage channel according to the invention in a stretched representation,
  • 2 shows a sectional view transverse to the longitudinal axis of the drainage channel according to FIG. 1 when installed in a traffic route at the level of the upper base layer, but with the grate lying in it
  • 3 shows the same sectional view as FIG. 2 with the frame attached in the installation in the traffic route provided with a covering layer,
  • 4 shows the same sectional view as in FIG. 2 but with the brake flaps removed,
  • 5 shows a similar sectional view as in FIG. 2, but with three-stage installation, the traffic route being usable even with the lower base layer installed,
  • Fig. 6 is a sectional view of a drainage channel according to section line VI-VI in Fig. 1 to show the locking point, but with the grate inside
  • Fig. 7 is a perspective view of an inserted latch holder, and
  • 8 is a sectional view according to section line VIII-VIII in FIG. 7.

In Fig. 1 sind die verschiedenen Teile einer Entwässerungsrinne deutlich ersichtlich, nämlich ein Rinnenkörper 1, ein Rahmen 2 und ein Rost 3. Der Rinnenkörper ist aus Polyester-Beton in einem Stück gegossen und weist seitliche Verankerungsrippen 10 auf, die der besseren Verankerung im Fundament dienen. In den Seitenwänden 11 befinden sich noch durch Schwächungsstellen markierte Oeffnungen 12, durch die nach Ausbrechen der Wandpartie ein bekannter Verankerungsdübel eingesetzt werden kann, um dadurch noch eine zusätzliche Verankerung zu erzielen.In Fig. 1, the various parts of a drainage channel are clearly visible, namely a channel body 1, a frame 2 and a grate 3. The channel body is cast from polyester concrete in one piece and has lateral anchoring ribs 10, which are the better anchoring in the foundation serve. In the side walls 11 there are also openings 12 marked by weakening points, through which a known anchoring plug can be inserted after the wall section has broken out, in order to thereby achieve an additional anchoring.

Eine Steigerung der Festigkeit lässt sich durch den auf den Rinnenkörper 1 aufgesetzten Rahmen 2 bewirken, der zugleich auch ein Kantenschutz für den Rinnenkörper 1 ist..The strength can be increased by the frame 2 placed on the channel body 1, which is also an edge protection for the channel body 1.

Die Auflagefläche auf den Seitenwänden 11 für den Rahmen 2 ist stufig mit aussenliegender erhöhter Tragrippe 13 und innenliegender abgesenkter Formschulter 14 ausgebildet. Am unteren, über die Seitenwand 11 vorstehenden Rand der Tragrippe 13 ist eine weitere seitliche Verankerungsrippe 15 vorhanden.The bearing surface on the side walls 11 for the frame 2 is formed in stages with an elevated support rib 13 on the outside and a lowered shaped shoulder 14 on the inside. At the lower edge of the support rib 13 projecting beyond the side wall 11 there is a further lateral anchoring rib 15.

Der Rahmen 2 besteht aus zwei seitlichen Rahmenteilen 20 und zwei die Enden der Rahmenteile 20 verbindende Stege 21. Diese Stege 21 geben dem Rahmen 2 die nötige Eigenfestigkeit und sorgen dafür, dass die Roste 3 in Längsrichtung festgehalten sind. Aussenseitig sind die,Rahmenteile 20 mit einer unteren seitlichen Rippe 22 versehen, mit denen nach auswärts ragende Bremslappen 23 einstückig verbunden sind. Die Unterseite der Rahmenteile 20 weisen bei der Uebergangsstelle zu den Haltelaschen 23 und beim abgestuften Führungsteil 24 der Rahmenteile 20 je eine Rille 25, 26 auf. Die äussere Rille 25 bewirkt eine Einkerbung bei den Bremslappen 23, damit diese, wie später noch beschrieben wird, bei Bedarf abgetrennt werden können. Die beiden Rillen 26, 27 bilden sich dadurch, dass der konvexe Teil 27 zwischen den beiden Rillen durch eine eingeschliffene Vertiefung in der Giessform entstanden ist und die nun zur Verkrallung bei einstückig angegossenen Rahmen dienen. Die Haltelaschen 23 verhindern ein Verschieben des Rahmens 2 in Längsrichtung.The frame 2 consists of two lateral frame parts 20 and two webs 21 connecting the ends of the frame parts 20. These webs 21 give the frame 2 the necessary inherent strength and ensure that the grids 3 are held in the longitudinal direction. On the outside, the frame parts 20 are provided with a lower lateral rib 22, with which outwardly projecting brake flaps 23 are integrally connected. The underside of the frame parts 20 each have a groove 25, 26 at the transition point to the holding tabs 23 and at the stepped guide part 24 of the frame parts 20. The outer groove 25 causes a notch in the brake flaps 23 so that, as will be described later, these can be separated if necessary. The two grooves 26, 27 are formed in that the convex part 27 between the two grooves has been created by a ground recess in the casting mold and which are now used for clawing in the case of an integrally cast frame. The holding tabs 23 prevent displacement of the frame 2 in the longitudinal direction.

Die Aussenfläche des Rahmenteils 20 ist wenigstens angenähert senkrecht, die obere Fläche. der seitlichen Rippe 2 ist wenigstens angenähert horizontal und die Uebergangspartie ist gerundet. Damit kann die Deckschicht des Verkehrsweges bis an den Rahmen 2 heran angefüllt werden, und es braucht kein teures Fugenband in zeitaufwendiger Arbeit einsetzt zu werden.The outer surface of the frame part 20 is at least approximately vertical, the upper surface. the lateral rib 2 is at least approximately horizontal and the transition section is rounded. The covering layer of the traffic route can thus be filled up to the frame 2, and no expensive joint tape needs to be used in time-consuming work.

Schliesslich weist der Rost 3 in bekannter Weise längliche, quer zur Längsachse angeordnete Oeffnungen 31 zwischen zwei Seitenrippen 30 auf. Die Aussenflächen 32 der Seitenrippen 30 sind ebenfalls wenigstens angenähert senkrecht und die unteren Auflageflächen 33 sind horizontal zur Auflage auf den vertieften Auflageschienen 28 des Rahmens 2.Finally, the grate 3 has, in a known manner, elongated openings 31, arranged transversely to the longitudinal axis, between two side ribs 30. The outer surfaces 32 of the side ribs 30 are also at least approximately vertical and the lower support surfaces 33 are horizontal for support on the recessed support rails 28 of the frame 2.

Ein Steg 40 im Rahmen 2 befindet sich etwa mittig unter dem Rost 3 und weist ein Durchgangsloch 41 (Fig. 3 - 5) für die Befestigung des Rostes 3 mittels einer Schraube 42 auf. Der Kopf 43 der Schraube 42 ist in einer Vertiefung 34 im Rost 3 versenkt angeordnet. Unter dem Steg 40 befindet sich ein an der Schraube 42 angeschraubter Riegel 45 (Fig. 3 - 5).Die Enden des Riegels 45 greifen nach Verdrehen in den Riegelhalter 44 in den Seitenwänden 11 ein, um den Rost 3 und den Rahmen 2 am Rinnenkörper l zu haltern. Auf die Riegelhalter 44 wird weiter unten noch eingehender eingetreten.A web 40 in the frame 2 is located approximately in the middle under the grate 3 and has a through hole 41 (FIGS. 3-5) for fastening the grate 3 by means of a screw 42. The head 43 of the screw 42 is sunk in a recess 34 in the grate 3. Under the web 40 there is a bolt 45 screwed to the screw 42 (FIGS. 3-5). After twisting, the ends of the bolt 45 engage in the bolt holder 44 in the side walls 11, around the grate 3 and the frame 2 on the channel body l to keep. The latch holder 44 will be discussed in more detail below.

Fig. 2 bis 5 zeigen Querschnitts-Ansichten von unterschiedlich eingebauten Entwässerungsrinnen gemäss der vorangehenden Beschreibung. Gleiche Teile sind mit gleichen Bezugsziffern angeschrieben. Demnach ist der Rinnenkörper 1 in ein Betonbankett 50 eingegossen. Allfällige Dübel sind nicht eingezeichnet. Die Heissmischtragschicht (HMT) 51 ist bündig mit der Auflagefläche 16 der Tragrippe 13. Wenn nun die Vertiefung der Formschulter 14 gleich gross ist, wie diejenige der Auflageschiene 28 bezüglich der Oberfläche des Rahmenteils 20, liegt ein darin eingesetzter Rost 3 ebenfalls bündig mit der HMT 51. Mittels der Schraube 42 kann der Riegel 45 zum Eingriff in die beiden Riegelhalter 44 verdreht werden und durch Anziehen der Schraube 42 lässt sich der Rost 3 befestigen. . 2 to 5 show cross-sectional views of differently installed drainage channels according to the preceding description. The same parts are marked with the same reference numbers. Accordingly, the channel body 1 is cast into a concrete banquet 50. Any dowels are not shown. The hot mix support layer (HMT) 51 is flush with the support surface 16 of the support rib 13. If the recess of the shaped shoulder 14 is now the same size as that of the support rail 28 with respect to the surface of the frame part 20, a grate 3 inserted therein is also flush with the HMT 51. By means of the screw 42, the bolt 45 can be turned to engage the two bolt holders 44 and the grating 3 can be fastened by tightening the screw 42. .

Wenn dann später gemäss Fig. 3 eine Deckschicht 52 auf das Bankett 50 eingebaut wird, kann der Rahmen 2 anstelle des Rostes 3 auf den Rinnenkörper 1 gesetzt werden. Wenn sich das Bankett 50 neben dem Rinnenkörper 1 ausfräsen lässt, oder wenn vor dem Einbau der Deckschicht 52 ein Fugenband in das Bankett 50 eingelegt wurde, so kann der Rahmen 2 mit den Bremslappen 23 eingesetzt werden, sonst müssten die Bremslappen 23, wie in Fig. 4 dargestellt ist, vom Rahmen 2 abgetrennt werden. Dieses Abtrennen kann durch die Rille 25 bedingt auf einfache Weise mittels eines Hammers erfolgen, indem von oben auf die Bremslappen 23 geschlagen wird.3, when a cover layer 52 is later installed on the banquet 50, the frame 2 can be placed on the channel body 1 instead of the grate 3. When the banquet 50 can be milled out next to the gutter bodies 1, or when a joint tape is inserted in the banquet 50 prior to installation of the cover layer 52, the frame 2 with the Bremslap p s can be used 23, otherwise would have the brake flap 23, as 4, from frame 2 be separated. This separation can be carried out by the groove 25 in a simple manner by means of a hammer, by striking the brake flaps 23 from above.

Der Steg 40 des Rahmens 2 ist wie erwähnt mit einem Gewindeloch 41 versehen. Die Schraube 42 wird damit durch den Steg 40 gesteckt und in den Riegel 45 eingeschraubt. Damit kann der Rost 3 auf dem Rahmen 2 befestigt werden und beide zusammen werden mittels des Riegels 45 und der Riegelhalter 44 starr mit dem Rinnenkörper 1 verbunden.The web 40 of the frame 2 is provided with a threaded hole 41 as mentioned. The screw 42 is thus inserted through the web 40 and screwed into the bolt 45. The grate 3 can thus be attached to the frame 2 and both are rigidly connected to the channel body 1 by means of the bolt 45 and the bolt holder 44.

Fig. 5 zeigt den Fall, wenn auf das Bankett 50 eine obere Tragschicht 53 aufgesetzt wird, und dann auf diese Tragschicht 54 die Deckschicht 52. Damit der Verkehrsweg benützbar ist, kann zuerst gemäss Fig. 2 der Rost 3 direkt auf den Rinnenkörper 1 aufgesetzt werden.FIG. 5 shows the case when an upper base layer 53 is placed on the banquet 50 and then the cover layer 52 on this base layer 54. In order to use the traffic route, the grate 3 can first be placed directly on the channel body 1 according to FIG. 2 will.

Ein Zwischenrahmen 4, der auf die Auflagefläche auf dem Rinnenkörper 1 aufgesetzt werden kann und oben eine gleichartige Auflagefläche aufweist, wie der Rinnenkörper 1, dient zur Ueberbrückung der zusätzlichen Höhe. Der Zwischenrahmen 4 kann als vierseitig geschlossenes Gehäuse ausgebildet sein oder er kann zwei durch Querrippen verbundene Seitenwände 61 aufweisen. Vor dem Einbau der Deckschicht 52 kann der Rahmen 2 gemäss Fig. 3 oder 4 aufgesetzt werden und mit einer längeren Schraube 46 werden dann Rinnenkörper 1, Aufsatzelement 4, Rahmen 2 und Rost 3 in vorbeschriebener Weise untereinander verbunden.An intermediate frame 4, which can be placed on the support surface on the channel body 1 and has a similar support surface at the top as the channel body 1, serves to bridge the additional height. The intermediate frame 4 can be designed as a housing closed on four sides, or it can have two side walls 61 connected by transverse ribs. Before installing the cover layer 52, the frame 2 3 or 4 are placed and with a longer screw 46 channel body 1, attachment element 4, frame 2 and grate 3 are then connected to one another in the manner described above.

Fig. 6 zeigt eine Schnittansicht gemäss der Schnittlinie VI-VI in Fig. 1, also durch die Riegelhalter 44 hindurch geschnitten. Wieder ist der Rinnenkörper 1 mit einliegendem Rost 3 zu erkennen, die Schraube 42 ist in den Riegel 45 eingeschraubt und die Enden des Riegels 45 liegen an der oberen Fläche des Riegelhalters 44 an.FIG. 6 shows a sectional view along the section line VI-VI in FIG. 1, that is to say cut through the latch holder 44. Again, the channel body 1 can be seen with the grate 3 lying in it, the screw 42 is screwed into the bolt 45 and the ends of the bolt 45 rest on the upper surface of the bolt holder 44.

Die Fig. 7 zeigt ein Ausführungsbeispiel eines in eine Seitenwand 11 eingegossenen Riegelhalters 44. Um eine ausreissfeste Verankerung der Riegelhalter 44 zu gewährleisten, sind die Flächen 71, die im Rinnenkörper 1 liegen, mit Rippen 72 und 73 versehen. Es versteht sich jedoch, dass auch andere geeigneten konvexe oder konkave Ausbildungen dieser Flächen diesem Zweck dienen können.FIG. 7 shows an embodiment of a bolt holder 44 cast into a side wall 11. In order to ensure that the bolt holders 44 are anchored out in a tear-out manner, the surfaces 71 which lie in the channel body 1 are provided with ribs 72 and 73. However, it goes without saying that other suitable convex or concave configurations of these surfaces can also serve this purpose.

Wie die Fig. 8 deutlich zeigt, besitzt der Riegelhalter 44 ein etwa H-förmiges Profil, wobei ein äusserer Rahmen 78 und eine Wand 75 unterscheidbar sind. Diese äussere Aussparung 76 des Riegelhalters 44 ist asymmetrisch ausgebildet. Damit wird erreicht, dass der Riegelhalter 44 nur in der richtigen Orientierung in die Giessform eingesetzt wird. Die Aussenfläche 77 der Wand 75 eignet sich als Träger für ein Kennzeichen oder eine Firmeninschrift.As clearly shown in FIG. 8, the latch holder 44 has an approximately H-shaped profile, an outer frame 78 and a wall 75 being distinguishable. This outer recess 76 of the bolt holder 44 is asymmetrical. This ensures that the bar holder 44 is only inserted into the casting mold in the correct orientation. The outer surface 77 of the wall 75 is suitable as a carrier for a number plate or a company inscription.

Beim Giessen des Rinnenkörpers 1 kann der Riegelhalter 44 einfach eingebaut werden. Dazu werden die Riegelhalter 44 mit den äusseren Aussparungen 76 je auf einen Nocken einer Giessform aufgesteckt und der Rinnenkörper in dieser Form gegossen.When casting the channel body 1, the bar holder 44 can be easily installed. For this purpose, the bar holders 44 with the outer recesses 76 are each placed on a cam of a casting mold and the channel body is cast in this form.

Vorzugsweise ist die innere Aussparung 78 mit einer einen stumpfen Winkel mit der Wand 76 einschliessenden Seitenwand 79 versehen. Dies erleichtert bei der Montage des Rostes 3 das Verschwenken des Riegels 45 bis in die Anschlagstellung bei der gegenüberliegenden Wand 80, worauf dann der Riegel 45 und der Rost 3 miteinander verschraubt werden können.The inner recess 78 is preferably provided with a side wall 79 enclosing an obtuse angle with the wall 76. This facilitates the pivoting of the bolt 45 into the stop position at the opposite wall 80 during the assembly of the grate 3, whereupon the bolt 45 and the grate 3 can then be screwed together.

Claims (13)

1. Entwässerungsrinne mit einem länglichen U-förmigen Rinnenkörper (1) und mit in vierseitig geschlossene Rahmen (2) einsetzbaren Rosten (3), bei welchem Rinnenkörper (1) die Seitenwände (11) mit Ausnehmungen für die Aufnahme von jeweils einen Rost (3) verriegelt halternden, an demselben drehbar befestigten Riegel (45) und wobei ferner die Auflageflächen der Seitenwände (11) für den Rahmen (2) stufig mit aussenliegender erhöhter Tragrippe (13) und innenliegender abgetiefter Formschulter (14) ausgebildet sind, und welcher Rahmen (2) mit gegenüber der Oberfläche der Rahmenteile (20) längsseits und vertieft angeordneten Auflageschienen (28) für die Auflage von Seitenrippen (30) der Roste (3) versehen ist, dadurch gekennzeichnet, dass der Rahmen (2) mit mehreren die Tragrippen (13) der beiden Seitenwände (11) nach aussen übergreifenden, vom Rahmen (2) abstehenden und mit diesem abtrennbar verbundenen Bremslappen (23) versehen ist, und dass zur verriegelnden Aufnahme der Enden der Riegel (45) in den Seitenwänden (11) angeordnete Riegelhalter (44) vorhanden sind.1. Drainage channel with an elongated U-shaped channel body (1) and with grids (3) which can be used in frames (2) closed on four sides, in which channel body (1) the side walls (11) with recesses for receiving a grid (3 ) locks holding, rotatably fastened bolt (45) and furthermore the bearing surfaces of the side walls (11) for the frame (2) are designed in stages with an elevated support rib (13) on the outside and a recessed shaped shoulder (14) on the inside, and which frame ( 2) is provided with support rails (28) which are arranged longitudinally and recessed in relation to the surface of the frame parts (20) for supporting side ribs (30) of the gratings (3), characterized in that the frame (2) has a plurality of the support ribs (13 ) of the two side walls (11) overlapping to the outside, from the frame (2) protruding and detachably connected with this brake flap (23) is provided, and that for the locking reception of the ends of the bolt (45) in the side walls (11) arranged bolt holder (44) are present. 2. Entwässerungsrinne nach Patentanspruch 1, dadurch gekennzeichnet, dass die Bremslappen (23) und der angrenzende Rahmenteil (24) eine Nut (27) bilden.2. Drainage channel according to claim 1, characterized in that the brake flaps (23) and the adjacent frame part (24) form a groove (27). 3. Entwässerungsrinne nach Patentanspruch 2, dadurch gekennzeichnet, dass die an die Bremslappen (23) angrenzende Seitenribpe (22) scharfkantig, zwecks Bildung einer Sollbruchstelle, abgesetzt ist.3. Drainage channel according to claim 2, characterized in that the side rib (22) adjacent to the brake flaps (23) is sharp-edged to form a predetermined breaking point. 4. Entwässerungsrinne nach einem der Patentansprüche 1 bis 3, dadurch gekennzeichnet, dass die Höhe der Tragrippe (13) der Seitenwände (11) und die Tiefe der Tragschienen (28) bezüglich der Oberkante des Rahmens (2) wenigstens angenähert gleich gross sind.4. Drainage channel according to one of claims 1 to 3, characterized in that the height of the support rib (13) of the side walls (11) and the depth of the support rails (28) with respect to the upper edge of the frame (2) are at least approximately the same size. 5. Entwässerungsrinne nach einem der Patentansprüche 1 bis 4, gekennzeichnet durch ein vierseitig geschlossenes Aufsatzelement (4) mit einerseits einer zur Auflagefläche der Seitenwände (11) komplementären Stützfläche und anderseits mit einer gleich wie die Auflagefläche der Seitenwände (11) ausgebildeten weiteren Auflagefläche.5. Drainage channel according to one of claims 1 to 4, characterized by a four-sided closed attachment element (4) with on the one hand Support surface of the side walls (11) complementary support surface and on the other hand with a further support surface designed in the same way as the support surface of the side walls (11). 6. Entwässerungsrinne nach Patentanspruch 5, dadurch gekennzeichnet, dass die Rahmenteile (20) mit einer seitlichen, mit senkrechter Abschlusswand versehenen Seitenrippe (22) versehen sind, und dass die Uebergangspartie von der wenigstens angenähert senkrecht ausgebildeten Aussenfläche der Rahmenteile zur oben liegenden Fläche der Seitenrippe (22) gerundet ist.6. Drainage channel according to claim 5, characterized in that the frame parts (20) are provided with a lateral side rib (22) provided with a vertical end wall, and in that the transition part from the at least approximately vertically designed outer surface of the frame parts to the upper surface of the side rib (22) is rounded. 7. Entwässerungsrinne nach Patentanspruch 6, dadurch gekennzeichnet, dass der Rahmen (3) mit wenigstens einem Steg (40) für die drehbare Halterung des jeweiligen Riegels (45) versehen ist.7. Drainage channel according to claim 6, characterized in that the frame (3) is provided with at least one web (40) for the rotatable mounting of the respective bolt (45). 8. Entwässerungsrinne nach Patentanspruch 7, dadurch gekennzeichnet, dass die drehbare Halterung des Riegels (45) eine Schraube (42) ist, die durch eine Bohrung im Rost (3) in den Steg (40) im Rahmen (2) durchgeführt ist und an deren Ende der Riegel (45) befestigt ist.8. Drainage channel according to claim 7, characterized in that the rotatable bracket of the bolt (45) is a screw (42) which is carried out through a hole in the grate (3) in the web (40) in the frame (2) and on the end of which the bolt (45) is attached. 9. Entwässerungsrinne nach Patentanspruch 1, dadurch gekennzeichnet, dass die Riegelhalter (44) in die Seitenwände (11) eingegossen sind.9. Drainage channel according to claim 1, characterized in that the bar holder (44) are cast into the side walls (11). 10. Entwässerungsrinne nach Patentanspruch 9, dadurch gekennzeichnet, dass die Riegelhalter (44) im Schnitt parallel zur Auflagefläche wenigstens angenähert H-förmig ausgebildet sind.10. Drainage channel according to claim 9, characterized in that the bar holder (44) are at least approximately H-shaped in section parallel to the support surface. 11. Entwässerungsrinne nach Patentanspruch 10, dadurch gekennzeichnet, dass die Riegelhalter (44) zweiteilig mit einer senkrechten Trennwand (75) ausgebildet sind.11. Drainage channel according to claim 10, characterized in that the bar holder (44) are formed in two parts with a vertical partition (75). 12. Entwässerungsrinne nach Patentanspruch 11, dadurch gekennzeichnet, dass der innenliegende Teil der Riegelhalter (44) mit einer senkrecht zur Trennwand (75) stehenden Anschlagseitenwand (80) ausgebildet ist, und dass die dieser Anschlagseitenwand (80) gegenüberliegende Seitenwand (79) mit der Trennwand (75) einen stumpfen Winkel einschliesst.12. Drainage channel according to claim 11, characterized in that the inner part of the bar holder (44) is formed with a stop wall (80) perpendicular to the partition (75), and that the stop wall (80) opposite the side wall (79) with the Partition (75) forms an obtuse angle. 13. Entwässerungsrinne nach einem der Patentansprüche 9 bis 12, dadurch gekennzeichnet, dass Mittel (75, 74) vorhanden sind, um die Riegelhalter (44) in den Seitenwänden (11) zu verankern.13. Drainage channel according to one of claims 9 to 12, characterized in that means (75, 74) are present to anchor the bar holder (44) in the side walls (11).
EP19830810547 1982-11-23 1983-11-22 Drainage channel Expired - Lifetime EP0112287B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT83810547T ATE14766T1 (en) 1982-11-23 1983-11-22 DRAINAGE GUTTER.
DE8484111324T DE3370038D1 (en) 1982-11-23 1983-11-22 Drainage channel forming kit

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH682682A CH644416A5 (en) 1982-11-23 1982-11-23 DRAINAGE GUTTER.
CH6826/82 1982-11-23
CH5662/83 1983-10-18
CH566283A CH644417A5 (en) 1983-10-18 1983-10-18 Kit for a drainage channel

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EP0112287A1 true EP0112287A1 (en) 1984-06-27
EP0112287B1 EP0112287B1 (en) 1985-08-07
EP0112287B2 EP0112287B2 (en) 1992-03-25

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EP19840111324 Expired EP0151684B1 (en) 1982-11-23 1983-11-22 Drainage channel forming kit
EP19830810547 Expired - Lifetime EP0112287B2 (en) 1982-11-23 1983-11-22 Drainage channel

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EP (2) EP0151684B1 (en)
DE (2) DE8333233U1 (en)
DK (1) DK159622C (en)
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GB (1) GB2133443B (en)

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CN113550400A (en) * 2021-07-16 2021-10-26 浙江浙牌科技有限公司 Locking structure and have highway basin of drainage grid
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DE19526985C2 (en) * 1994-07-28 2000-01-13 Rita Broermann Fitting for fixing a gutter cover on a drainage gutter
FR2791715A1 (en) 1999-03-31 2000-10-06 Nicoll Raccords Plastiques Thermoplastic duct component has twin extruded walls - smooth inner wall and outer corrugated one
WO2003002825A1 (en) 2001-06-29 2003-01-09 Broermann, Rita Drainage channel base, especially from polymer concrete
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Also Published As

Publication number Publication date
DK159622B (en) 1990-11-05
EP0151684B1 (en) 1987-03-04
DK534683A (en) 1984-05-24
EP0112287B2 (en) 1992-03-25
US4621939A (en) 1986-11-11
DK159622C (en) 1991-04-08
DK534683D0 (en) 1983-11-22
GB8331249D0 (en) 1983-12-29
FR2536436A1 (en) 1984-05-25
EP0151684A1 (en) 1985-08-21
FR2536436B3 (en) 1987-05-07
GB2133443B (en) 1986-05-21
DE3360526D1 (en) 1985-09-12
EP0112287B1 (en) 1985-08-07
GB2133443A (en) 1984-07-25
DE8333233U1 (en) 1984-02-16

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