EP1911903A2 - Grating - Google Patents

Grating Download PDF

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Publication number
EP1911903A2
EP1911903A2 EP07019747A EP07019747A EP1911903A2 EP 1911903 A2 EP1911903 A2 EP 1911903A2 EP 07019747 A EP07019747 A EP 07019747A EP 07019747 A EP07019747 A EP 07019747A EP 1911903 A2 EP1911903 A2 EP 1911903A2
Authority
EP
European Patent Office
Prior art keywords
support
recess
bulge
support element
grating
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.)
Withdrawn
Application number
EP07019747A
Other languages
German (de)
French (fr)
Other versions
EP1911903A3 (en
Inventor
Wolfgang Meiser
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.)
MEISER VOGTLAND OHG
Original Assignee
Meiser Gitterroste KG
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 Meiser Gitterroste KG filed Critical Meiser Gitterroste KG
Publication of EP1911903A2 publication Critical patent/EP1911903A2/en
Publication of EP1911903A3 publication Critical patent/EP1911903A3/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/42—Gratings; Grid-like panels
    • E04C2/421—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction
    • E04C2/422—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern
    • E04C2/423—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern with notches

Definitions

  • the invention relates to a grating, consisting of mutually parallel support rods and these interconnecting, arranged transversely to the support rods Batstäben having on at least one side edge of a projecting beyond the grid supporting element, in particular a mounting plate.
  • Such gratings which are usually Sch consistencypreß- or Preßgitterroste are, for example, from DE 20 2006 004 906 U1 known.
  • the grid described therein has a slot extending along the side edge into which the one end of the support element extends. This end is defined by a welded connection in the slot.
  • a positive and cohesive connection between the grating and the support element is achieved so that the same results in a support of the support element under load.
  • the support element can be designed both as a push-through protection or displacement protection or as an angle collar.
  • the DE 203 19 602 U1 describes a self-supporting grid for resting on at least two support beams with a plurality of spaced parallel support rods whose ends are provided on at least one end side of the grid each with a slot-shaped recess and at least one support profile on each end side, which inserted into the recesses of the support rods is, wherein the recess in each case forms an angle between 30 and 60 ° with an upper edge of the grating and the support profile is formed sauklig, wherein a Einsteckschenkel and a support leg enclose an angle of 180 °.
  • the production of such gratings is expensive and their carrying capacity is relatively low.
  • U1 is a grid for resting on at least two support beams with a plurality spaced apart support rods, whose Ends on at least one end side of the grate are each provided with a slot-shaped recess, each including an angle between 30 and 60 ° with a top edge of the grate, known, at least one at least sauschkliges barrier profile is provided, which includes a Einsteckschenkel and a barrier leg which include an angle of 120 to 160 °, wherein the barrier profile is at least partially inserted with its Einsteckschenkel in the recesses of the support rods such that the barrier leg is arranged upright.
  • the object of the invention is to improve a grating according to the preamble on.
  • the support rod ends have at least one wave-shaped recess and that the support element has at least one of the recess corresponding bulge.
  • no additional limb is provided on the support element, but this is formed in one piece and provided with a bulge produced, for example, by a canting process, which engages in a form-fitting manner into the roughly semicircular recess of the support rod ends.
  • a positive connection between the support rod ends and the support element is achieved, which makes it possible to forward the forces introduced via the support rods via the support member in the support structure.
  • the special profiling of the support elements increases the moment of resistance against lateral deformation and allows material savings in terms of the selected plate thickness, for example from 3 to 5 mm to 2 mm. Since no additional leg is required, both material is saved and the production is simplified.
  • the object is achieved in that the support rod ends have at least one approximately semicircular bulge and that the support member has at least one of the recess corresponding recess.
  • the recess or the bulge are formed approximately semicircular.
  • a preferred embodiment of the invention is that the bulge or the recess of the support element is produced by a material displacement.
  • Such material displacement can be generated for example by a Kant process.
  • the support element is welded to the support bar elements.
  • the support element is welded to the support bar ends in the resistance welding process.
  • the complex hand welding of each support bar with the support profile can be omitted and the production time is significantly reduced.
  • the power transmission is not or only to a small extent on the weld points, so that incorrect welding can be compensated if necessary.
  • the grate according to the invention which is a press or welded grid, consists of support rods 1 and filler rods 2 arranged transversely to these support rods 1.
  • the support bar ends have approximately at half the height of the grid on a wave-shaped recess 3, which is designed approximately semicircular in the example shown.
  • the support member 4, which is formed as a mounting plate 4 has a corresponding wave-shaped (in this case: substantially semicircular) bulge, so that the support member 4 can be positively connected to the support rod ends.
  • the bulge of the support member 4 is preferably generated by a material displacement, e.g. by a Kant process, to which the support element 4 is subjected.
  • a material displacement e.g. by a Kant process
  • the bulge 5 could also be formed on the support rod ends and the recess 3 on the support element 4.
  • the recess 3 and the bulge 5 are formed in the present example in a substantially semi-circular waveform.
  • the support element 4 abuts the support rod ends over their entire extension and is welded in the resistance welding process with the support rod ends.
  • the good accessibility of the weld is advantageous.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)
  • Floor Finish (AREA)

Abstract

Grating comprises parallel supporting rods (1) having ends with recesses (3) and a support element (4) with a protrusion (5) corresponding to the recesses. Preferred Features: The recesses and the protrusion have a semi-circular shape. The support element is welded to the ends of the supporting rods.

Description

Die Erfindung betrifft einen Gitterrost, bestehend aus parallel zueinander angeordneten Tragstäben und diese miteinander verbindenden, quer zu den Tragstäben angeordneten Füllstäben, der an mindestens einer Seitenkante ein über den Gitterrost hinausragendes Stützelement, insbesondere eine Befestigungsplatte aufweist.The invention relates to a grating, consisting of mutually parallel support rods and these interconnecting, arranged transversely to the support rods Füllstäben having on at least one side edge of a projecting beyond the grid supporting element, in particular a mounting plate.

Dies umfaßt auch Gitterroststufen dieser Bauart.This includes grate steps of this type.

Derartige Gitterroste, bei denen es sich in der Regel um Schweißpreß- oder Preßgitterroste handelt, sind beispielsweise aus der DE 20 2006 004 906 U1 bekannt. Der dort beschriebene Gitterrost weist einen entlang der Seitenkante verlaufenden Schlitz auf, in den sich das eine Ende des Stützelementes erstreckt. Dieses Ende wird durch eine Schweißverbindung in dem Schlitz festgelegt. Durch die Aufnahme des Endes des Stützelementes in den Schlitz und die Verschweißung wird eine form- und stoffschlüssige Verbindung zwischen dem Gitterrost und dem Stützelement erreicht, so daß sich eine Abstützung des Stützelementes bei Belastung desselben ergibt. Hierbei kann das Stützelement sowohl als Durchschubsicherung bzw. Verschiebesicherung oder als Winkelkragen ausgebildet sein.Such gratings, which are usually Schweißpreß- or Preßgitterroste are, for example, from DE 20 2006 004 906 U1 known. The grid described therein has a slot extending along the side edge into which the one end of the support element extends. This end is defined by a welded connection in the slot. By receiving the end of the support element in the slot and the welding a positive and cohesive connection between the grating and the support element is achieved so that the same results in a support of the support element under load. In this case, the support element can be designed both as a push-through protection or displacement protection or as an angle collar.

Die DE 203 19 602 U1 beschreibt einen selbsttragenden Gitterrost zur Auflage auf wenigstens zwei Auflagerbalken mit einer Vielzahl beabstandeter parallel zueinander angeordneter Tragstäbe, deren Enden an wenigstens einer Endseite des Gitterrostes jeweils mit einer schlitzförmigen Ausnehmung versehen sind und mit wenigstens einem Auflageprofil an jeder Endseite, das in die Ausnehmungen der Tragstäbe eingesetzt ist, wobei die Ausnehmung jeweils einen Winkel zwischen 30 und 60° mit einer Oberkante des Gitterrosts einschließt und das Auflageprofil zweischenklig ausgebildet ist, wobei ein Einsteckschenkel und ein Auflageschenkel einen Winkel von 180° einschließen. Die Herstellung derartiger Gitterroste ist jedoch aufwendig und ihre Tragfähigkeit ist relativ gering.The DE 203 19 602 U1 describes a self-supporting grid for resting on at least two support beams with a plurality of spaced parallel support rods whose ends are provided on at least one end side of the grid each with a slot-shaped recess and at least one support profile on each end side, which inserted into the recesses of the support rods is, wherein the recess in each case forms an angle between 30 and 60 ° with an upper edge of the grating and the support profile is formed zweischenklig, wherein a Einsteckschenkel and a support leg enclose an angle of 180 °. However, the production of such gratings is expensive and their carrying capacity is relatively low.

Aus der DE 20 2005 015 399 U1 ist ein Gitterrost zur Auflage auf wenigstens zwei Auflagerbalken mit einer Vielzahl beabstandet zueinander angeordneter Tragstäbe, deren Enden an wenigstens einer Endseite des Gitterrosts jeweils mit einer schlitzförmigen Ausnehmung versehen sind, die jeweils einen Winkel zwischen 30 und 60° mit einer Oberkante des Gitterrosts einschließt, bekannt, wobei wenigstens ein wenigstens zweischenkliges Barriereprofil vorgesehen ist, das einen Einsteckschenkel und einen Barriereschenkel umfaßt, welche einen Winkel von 120 bis 160° einschließen, wobei das Barriereprofil wenigstens teilweise mit seinem Einsteckschenkel in die Ausnehmungen der Tragstäbe derart eingeschoben ist, daß der Barriereschenkel aufrecht angeordnet ist.From the DE 20 2005 015 399 U1 is a grid for resting on at least two support beams with a plurality spaced apart support rods, whose Ends on at least one end side of the grate are each provided with a slot-shaped recess, each including an angle between 30 and 60 ° with a top edge of the grate, known, at least one at least zweischkliges barrier profile is provided, which includes a Einsteckschenkel and a barrier leg which include an angle of 120 to 160 °, wherein the barrier profile is at least partially inserted with its Einsteckschenkel in the recesses of the support rods such that the barrier leg is arranged upright.

Aufgabe der Erfindung ist es, einen Gitterrost gemäß dem Oberbegriff weiter zu verbessern.The object of the invention is to improve a grating according to the preamble on.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Tragstabenden mindestens eine wellenförmige Ausnehmung aufweisen und daß das Stützelement mindestens einen der Ausnehmung entsprechende Ausbuchtung aufweist.This object is achieved in that the support rod ends have at least one wave-shaped recess and that the support element has at least one of the recess corresponding bulge.

Es wird also entgegen dem Stand der Technik kein zusätzlicher Schenkel an dem Stützelement vorgesehen, sondern dieses wird einstückig ausgebildet und mit einer beispielsweise durch einen Kantprozeß hergestellten Ausbuchtung versehen, welche in die in etwa halbkreisförmige Ausnehmung der Tragstabenden formschlüssig eingreift. Dadurch, daß die Form der Ausbuchtung im wesentlichen der der Ausnehmung entspricht, wird ein Formschluß zwischen den Tragstabenden und dem Stützelement erreicht, der es ermöglicht, die über die Tragstäbe eingeleiteten Kräfte über das Stützelement in die Tragkonstruktion weiterzuleiten. Zudem erhöht die spezielle Profilierung der Stützelemente das Widerstandsmoment gegen seitliche Verformung und ermöglicht eine Materialeinsparung hinsichtlich der gewählten Plattenstärke, beispielsweise von 3 bis 5 mm auf 2 mm. Da kein zusätzlicher Schenkel erforderlich ist, wird sowohl Werkstoff eingespart als auch die Herstellung vereinfacht.Thus, contrary to the state of the art, no additional limb is provided on the support element, but this is formed in one piece and provided with a bulge produced, for example, by a canting process, which engages in a form-fitting manner into the roughly semicircular recess of the support rod ends. Characterized in that the shape of the recess substantially corresponding to the recess, a positive connection between the support rod ends and the support element is achieved, which makes it possible to forward the forces introduced via the support rods via the support member in the support structure. In addition, the special profiling of the support elements increases the moment of resistance against lateral deformation and allows material savings in terms of the selected plate thickness, for example from 3 to 5 mm to 2 mm. Since no additional leg is required, both material is saved and the production is simplified.

Ebenso wird die Aufgabe erfindungsgemäß dadurch gelöst, daß die Tragstabenden mindestens eine in etwa halbkreisförmige Ausbuchtung aufweisen und daß das Stützelement mindestens eine der Ausbuchtung entsprechende Ausnehmung aufweist.Likewise, the object is achieved in that the support rod ends have at least one approximately semicircular bulge and that the support member has at least one of the recess corresponding recess.

Es liegt im Rahmen der Erfindung, daß die Ausnehmung bzw. die Ausbuchtung in etwa halbkreisförmig ausgebildet sind.It is within the scope of the invention that the recess or the bulge are formed approximately semicircular.

Eine bevorzugte Ausgestaltung der Erfindung besteht darin, daß die Ausbuchtung bzw. die Ausnehmung des Stützelementes durch eine Materialverdrängung erzeugt ist.A preferred embodiment of the invention is that the bulge or the recess of the support element is produced by a material displacement.

Eine derartige Materialverdrängung kann beispielsweise durch einen Kantprozeß erzeugt werden.Such material displacement can be generated for example by a Kant process.

Es liegt im Rahmen der Erfindung, daß das Stützelement mit den Tragstabelementen verschweißt ist.It is within the scope of the invention that the support element is welded to the support bar elements.

Vorzugsweise wird das Stützelement mit den Tragstabenden im Widerstandsschweißverfahren verschweißt. Die aufwendige Handverschweißung jedes einzelnen Tragstabes mit dem Tragprofil kann dadurch entfallen und die Herstellungszeit wird so deutlich vermindert. Die Kraftübertragung erfolgt nicht bzw. nur in geringem Maße über die Schweißpunkte, so daß Fehlschweißungen gegebenenfalls kompensiert werden können.Preferably, the support element is welded to the support bar ends in the resistance welding process. The complex hand welding of each support bar with the support profile can be omitted and the production time is significantly reduced. The power transmission is not or only to a small extent on the weld points, so that incorrect welding can be compensated if necessary.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand von Zeichnungen beschrieben.An embodiment of the invention will be described below with reference to drawings.

Es zeigen

Fig. 1a
einen erfindungsgemäßen Gitterrost in Form einer Gitterroststufe mit einem als Befestigungsplatte ausgebildeten Stützelement in geschnittener Darstellung,
Fig. 1b
den Gitterrost gemäß Fig. 1a in perspektivischer Darstellung,
Fig. 2a
einen Gitterrost mit Befestigungsplatte gemäß dem Stand der Technik in geschnittener Darstellung und
Fig. 2b
einen Gitterrost gemäß Fig. 2a in perspektivischer Darstelllung.
Show it
Fig. 1a
a grid according to the invention in the form of a grate step with a support plate designed as a support member in a sectional view,
Fig. 1b
the grating of FIG. 1a in perspective view,
Fig. 2a
a grid with mounting plate according to the prior art in a sectional view and
Fig. 2b
a grid according to Fig. 2a in perspective view.

Wie aus den Fig. 1a und 1b ersichtlich, besteht der erfindungsgemäße Gitterrost, bei dem es sich um einen Preß- oder Schweißgitterrost handelt, aus Tragstäben 1 und quer zu diesen Tragstäben 1 angeordneten Füllstäben 2.As can be seen from FIGS. 1 a and 1 b, the grate according to the invention, which is a press or welded grid, consists of support rods 1 and filler rods 2 arranged transversely to these support rods 1.

Die Tragstabenden weisen etwa auf halber Höhe des Gitterrostes eine wellenförmige Ausnehmung 3 auf, die im gezeigten Beispiel etwa halbkreisförmig ausgestaltet ist. Das Stützelement 4, das als Befestigungsplatte 4 ausgebildet ist, hat eine entsprechende wellenförmige (hier: im wesentlichen halbkreisförmigen) Ausbuchtung, so daß das Stützelement 4 mit den Tragstabenden formschlüssig verbunden werden kann. Durch diese spezielle Formgebung wird eine automatische Formstabilisierung erreicht, wie sie beim Stand der Technik - Fig. 2a und 2b - nicht erreicht wird. Die Ausbuchtung des Stützelementes 4 wird vorzugsweise durch eine Materialverdrängung erzeugt, z.B. durch einen Kantprozeß, dem das Stützelement 4 unterzogen wird. Hierdurch erhöht sich sowohl die Steifigkeit des Stützelementes 4 als solches wie auch die des Gitterrostes insgesamt.The support bar ends have approximately at half the height of the grid on a wave-shaped recess 3, which is designed approximately semicircular in the example shown. The support member 4, which is formed as a mounting plate 4, has a corresponding wave-shaped (in this case: substantially semicircular) bulge, so that the support member 4 can be positively connected to the support rod ends. By this special shaping an automatic shape stabilization is achieved, as in the prior art - Fig. 2a and 2b - is not achieved. The bulge of the support member 4 is preferably generated by a material displacement, e.g. by a Kant process, to which the support element 4 is subjected. As a result, both the rigidity of the support element 4 as such as that of the grid increases overall.

Alternativ könnte auch die Ausbuchtung 5 an den Tragstabenden ausgebildet sein und die Ausnehmung 3 an dem Stützelement 4.Alternatively, the bulge 5 could also be formed on the support rod ends and the recess 3 on the support element 4.

Die Ausnehmung 3 und die Ausbuchtung 5 sind im vorliegenden Beispiel in einer im wesentlichen halbkreisförmigen Wellenform ausgebildet. Selbstverständlich sind auch andere Ausgestaltungen möglich, wobei darauf zu achten ist, daß ein möglichst gleichförmiger Kraftfluß gegeben ist.The recess 3 and the bulge 5 are formed in the present example in a substantially semi-circular waveform. Of course, other embodiments are possible, it should be ensured that a uniform possible power flow is given.

Das Stützelement 4 liegt an den Tragstabenden über deren gesamte Erstreckung an und wird im Widerstandsschweißverfahren mit den Tragstabenden verschweißt. Hierbei ist die gute Zugänglichkeit des Schweißpunktes von Vorteil.The support element 4 abuts the support rod ends over their entire extension and is welded in the resistance welding process with the support rod ends. Here, the good accessibility of the weld is advantageous.

Claims (5)

Gitterrost, bestehend aus parallel zueinander angeordneten Tragstäben und diese miteinander verbindenden, quer zu den Tragstäben angeordneten Füllstäben, der an mindestens einer Seitenkante ein über den Gitterrost hinausragendes Stützelement, insbesondere eine Befestigungsplatte aufweist, dadurch gekennzeichnet, daß die Tragstabenden mindestens eine wellenförmige Ausnehmung (3) aufweisen und daß das Stützelement (4) mindestens eine der Ausnehmung (3) entsprechende Ausbuchtung (5) aufweist.Grating consisting of mutually parallel support rods and these interconnecting, arranged transversely to the support rods Füllstäben having on at least one side edge on the grid protruding support member, in particular a mounting plate, characterized in that the support rod ends at least one wave-shaped recess (3) and that the support element (4) at least one of the recess (3) corresponding bulge (5). Gitterrost, bestehend aus parallel zueinander angeordneten Tragstäben und diese miteinander verbindenden, quer zu den Tragstäben angeordneten Füllstäben, der an mindestens einer Seitenkante ein über den Gitterrost hinausragendes Stützelement, insbesondere eine Befestigungsplatte aufweist, dadurch gekennzeichnet, daß die Tragstabenden mindestens eine wellenförmige Ausbuchtung (5) aufweisen und daß das Stützelement (4) mindestens eine der Ausbuchtung (5) entsprechende Ausnehmung (3) aufweist.Grating consisting of mutually parallel support rods and these interconnecting, arranged transversely to the support rods Füllstäben having on at least one side edge on the grid protruding support member, in particular a mounting plate, characterized in that the support rod ends at least one wave-shaped bulge (5) and that the support element (4) at least one of the bulge (5) corresponding recess (3). Gitterrost gemäß Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß die Ausnehmung (3) und die Ausbuchtung (5) im wesentlichen halbkreisförmig ausgebildet sind.Grating according to claim 1 or claim 2, characterized in that the recess (3) and the bulge (5) are formed substantially semicircular. Gitterrost gemäß Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß die Ausbuchtung (5) bzw. die Ausnehmung (3) des Stützelementes (4) durch eine Materialverdrängung erzeugt ist.Grating according to claim 1 or claim 2, characterized in that the bulge (5) or the recess (3) of the support element (4) is produced by a material displacement. Gitterrost gemäß Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß das Stützelement (4) mit den Tragstabenden verschweißt ist.Grating according to claim 1 or claim 2, characterized in that the support element (4) is welded to the support bar ends.
EP07019747A 2006-10-12 2007-10-09 Grating Withdrawn EP1911903A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200620015801 DE202006015801U1 (en) 2006-10-12 2006-10-12 Grating comprises parallel supporting rods having ends with recesses and a support element with a protrusion corresponding to the recesses

Publications (2)

Publication Number Publication Date
EP1911903A2 true EP1911903A2 (en) 2008-04-16
EP1911903A3 EP1911903A3 (en) 2009-08-26

Family

ID=37735973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07019747A Withdrawn EP1911903A3 (en) 2006-10-12 2007-10-09 Grating

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Country Link
EP (1) EP1911903A3 (en)
DE (1) DE202006015801U1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH368292A (en) * 1958-12-30 1963-03-31 Metallbau Ag Grating and process for its production and device for carrying out the process
DE7334350U (en) * 1973-09-21 1974-03-07 Weland & Soener Ab Grid floor
DE8425780U1 (en) * 1984-08-31 1984-11-22 Franz Brinkmann GmbH, 4763 Ense FIRE-GALVANIZED GRATING
DE19720321A1 (en) * 1997-05-15 1998-11-26 Friedrich Wolfarth Grating for covering light shafts

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH368292A (en) * 1958-12-30 1963-03-31 Metallbau Ag Grating and process for its production and device for carrying out the process
DE7334350U (en) * 1973-09-21 1974-03-07 Weland & Soener Ab Grid floor
DE8425780U1 (en) * 1984-08-31 1984-11-22 Franz Brinkmann GmbH, 4763 Ense FIRE-GALVANIZED GRATING
DE19720321A1 (en) * 1997-05-15 1998-11-26 Friedrich Wolfarth Grating for covering light shafts

Also Published As

Publication number Publication date
EP1911903A3 (en) 2009-08-26
DE202006015801U1 (en) 2007-02-01

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