EP0051184A1 - Rectangular frame for lighting fixtures - Google Patents

Rectangular frame for lighting fixtures Download PDF

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Publication number
EP0051184A1
EP0051184A1 EP81108372A EP81108372A EP0051184A1 EP 0051184 A1 EP0051184 A1 EP 0051184A1 EP 81108372 A EP81108372 A EP 81108372A EP 81108372 A EP81108372 A EP 81108372A EP 0051184 A1 EP0051184 A1 EP 0051184A1
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EP
European Patent Office
Prior art keywords
longitudinal
walls
transverse
wall
coupling
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
EP81108372A
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German (de)
French (fr)
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EP0051184B1 (en
Inventor
Erwin Dr. Dipl.-Ing. Klein
Johann Ing. grad. Pöllmann
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.)
Siemens AG
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Siemens AG
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Application filed by Siemens AG filed Critical Siemens AG
Priority to AT81108372T priority Critical patent/ATE5612T1/en
Publication of EP0051184A1 publication Critical patent/EP0051184A1/en
Application granted granted Critical
Publication of EP0051184B1 publication Critical patent/EP0051184B1/en
Expired legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting

Definitions

  • the invention relates to a rectangular lamp frame, each consisting of two transverse and longitudinal walls, as is known for example from DE-OS 27 43 257.
  • a luminaire frame With the help of such a luminaire frame, a luminaire which is free-radiating per se can be shielded, wherein grids, prismatic panes or other light-directing elements can be inserted into the lower light outlet opening of the luminaire frame; Therefore, a wide range of luminaires with different lighting properties can be covered with the aforementioned light-directing inserts, a luminaire frame and a free-radiating luminaire.
  • the lamp frame consists of two longitudinal walls made of sheet metal with a C-shaped profile and two transverse walls made of plastic.
  • the required angular stiffness is ensured by transverse legs of the longitudinal walls, which are directed against each other and rest against stop legs of the end walls.
  • the invention is therefore based on the object of creating an easy-to-manufacture, angularly rigid luminaire frame in which the longitudinal and transverse walls consist of the same material.
  • corner connectors preferably plastic injection-molded parts - and an extruded profile are required, from which the transverse and longitudinal walls with the desired dimensions are separated with 45 ° cuts.
  • the connection of these parts by plugging them together is so simple that it can be carried out by the end user; this applies at least to the embodiment in which the connecting tabs of the walls snap into corresponding recesses in the corner connectors and thus secure the parts against pulling apart.
  • corner connectors without recesses and press the connecting tabs of the walls with appropriate pressure into the material of the corner connector: In this case, gaps at the corners can be avoided due to unfavorable tolerances.
  • each corner connector which protrudes outwards and runs at 45 ° with respect to the two coupling walls: this stop rib, which lies between adjacent longitudinal and transverse walls, clearly defines their end positions. Without such a stop rib, on the other hand, the position of one wall would be changed when the other was pushed in as a result of the separating surfaces sliding on one another at 45 °. In the worst case, the corner edge of one wall could protrude beyond the edge of the other wall by an amount corresponding to the wall thickness of the wall.
  • the plastic corner connector 2 has two coupling walls 21, 22 running at right angles to each other with upper edge strips 211, 221 and lower edge strips 212, 222.
  • a stop rib 20 In the corner area, where the two coupling walls 21, 22 meet, runs at 45 ° - in relation to each of the two coupling walls - a stop rib 20, the outer edge of which has the same course as the outer surfaces of the longitudinal and transverse walls to be connected, with which it is flush.
  • recesses 210, 220 are arranged on the outside of each coupling wall and pressure strips 213, 223 are arranged on the inside in the lower edge region.
  • Longitudinal wall 1 and transverse wall 1 ' are sections of an identical profile with an essentially C-shaped cross section and inwardly folded edge strips 14, 15 which each form a guide groove 11, 12 with the inside of the transverse or longitudinal wall, the opening angle ⁇ a, ⁇ comprises less than 90 0 to a through the openings of the guide grooves 11, 12 defined reference line G; these opening angles are preferably chosen to be as small as possible.
  • the shape of the coupling walls 21, 22 of the corner connector corresponds exactly to the profile of the longitudinal and transverse walls, so that these longitudinal and transverse walls - As shown in Fig. 4 - lie snugly on the outer surface of the coupling walls 21, 22.
  • the edge strips 14, 15 of the coupling walls are inserted in the guide grooves 11 and 12. Possible tolerances are compensated for by the pressure strips 213, 223, which deform on the one hand and the corner connector when transverse and longitudinal walls are put together.

Abstract

1. A rectangular lamp frame consisting of two transverse and two longitudinal walls (1, 1') which have an identical profile with an essentially C-shaped cross-section and edge strips (14, 15) which are inwardly bent and which together with the inner side of a transverse of longitudinal wall, as the case may be, form guide grooves (11, 12), which have opening angles (alpha, beta) of less than 90 degrees measured in relation to a straight reference line (G) passing through the openings of the guide grooves, with corner connectors (2) for connecting the longitudinal and transverse walls (1, 1') to coupling walls (21, 22) which run at right angles to one another and which are inserted into the guide grooves (11, 12) of the longitudinal and transverse walls (1, 1') by means of their upper and lower edge strips (221, 222), characterised in that each corner connector is an integral, angularly rigid, shaped part, and which has a stop rib (20) which projects at the outer side of the shaped part, which makes an angle of 45 degrees with each coupling wall (21, 22), and against which abut the dividing surfaces (10, 10') of adjacent longitudinal and transverse walls, which are cut at 45 degrees ; and that from the end regions of each longitudinal or transverse wall, respective connecting lugs (13, 13') project into the underlying coupling wall (21, 22) of the corner connector (2).

Description

Die Erfindung betrifft einen rechteckigen Leuchtenrahmen, bestehend aus je zwei Quer- und Längswänden, wie er beispielsweise aus der DE-OS 27 43 257 bekannt ist. Mit Hilfe eines solchen Leuchtenrahmens läßt sich eine an sich freistrahlende Leuchte abschirmen, wobei in die untere Lichtaustrittsöffnung des Leuchtenrahmens Raster, Prismenscheiben oder andere lichtlenkende Elemente einsetzbar sind; daher läßt sich mit den genannten lichtlenkenden Einsätzen, einem Leuchtenrahmen und einer freistrahlenden Leuchte ein breites Spektrum von Leuchten mit unterschiedlichen lichttechnischen Eigenschaften abdecken.The invention relates to a rectangular lamp frame, each consisting of two transverse and longitudinal walls, as is known for example from DE-OS 27 43 257. With the help of such a luminaire frame, a luminaire which is free-radiating per se can be shielded, wherein grids, prismatic panes or other light-directing elements can be inserted into the lower light outlet opening of the luminaire frame; Therefore, a wide range of luminaires with different lighting properties can be covered with the aforementioned light-directing inserts, a luminaire frame and a free-radiating luminaire.

In dem bekannten Fall besteht der Leuchtenrahmen aus zwei Längswänden aus Blech mit C-förmigem Profil und zwei Querwänden aus Kunststoff. Die erforderliche Winkelsteifigkeit wird dabei durch Querschenkel der Längswände sichergestellt, die gegeneinander gerichtet sind und an Anschlagschenkeln der Stirnwände anliegen.In the known case, the lamp frame consists of two longitudinal walls made of sheet metal with a C-shaped profile and two transverse walls made of plastic. The required angular stiffness is ensured by transverse legs of the longitudinal walls, which are directed against each other and rest against stop legs of the end walls.

In vielen Fällen ist die Verwendung von unterschiedlichem Material für die Längs- und Querwände eines Leuchtenrahmens unerwünscht; der Erfindung liegt daher die Aufgabe zugrunde, einen einfach zu fertigenden, winkelsteifen Leuchtenrahmen zu schaffen, bei dem die Längs-und Querwände aus demselben Material bestehen.In many cases, the use of different materials for the longitudinal and transverse walls of a lamp frame is undesirable; The invention is therefore based on the object of creating an easy-to-manufacture, angularly rigid luminaire frame in which the longitudinal and transverse walls consist of the same material.

Die erfindungsgemäße Lösung dieser Aufgabe ist durch die im Anspruch 1 angegebenen Merkmale gekennzeichnet.The achievement of this object is characterized by the features specified in claim 1.

Zur Fertigung eines erfindungsgemäßen Leuchtenrahmens sind somit lediglich vier identische Eckverbinder - vorzugsweise Kunststoffspritzteile - und ein-Strangpreßprofil erforderlich, von dem mit 45°-Schnitten die Quer-und Längswände mit den jeweils gewünschten Abmessungen abgetrennt werden. Die Verbindung dieser Teile durch Zusammenstecken ist so einfach, daß sie vom Endverbraucher vorgenommen werden kann; das gilt zumindest für diejenige Ausführungsform, bei der Verbindungslappen der Wandungen in entsprechende Ausnehmungen in den Eckverbindern einschnappen und die Teile so gegen ein Auseinanderziehen sichern. Vorteilhaft ist es jedoch. Eckverbinder ohne Ausnehmungen zu verwenden und die Verbindungslappen der Wandungen mit entsprechendem Druck in das Material des Eckverbinders einzudrücken: In diesem Falle lassen sich Spalte an den-Ecken infolge ungünstiger Toleranzen vermeiden.To produce a luminaire frame according to the invention, only four identical corner connectors - preferably plastic injection-molded parts - and an extruded profile are required, from which the transverse and longitudinal walls with the desired dimensions are separated with 45 ° cuts. The connection of these parts by plugging them together is so simple that it can be carried out by the end user; this applies at least to the embodiment in which the connecting tabs of the walls snap into corresponding recesses in the corner connectors and thus secure the parts against pulling apart. However, it is advantageous. Use corner connectors without recesses and press the connecting tabs of the walls with appropriate pressure into the material of the corner connector: In this case, gaps at the corners can be avoided due to unfavorable tolerances.

Von besonderer Bedeutung bei der Erfindung ist die Anschlagrippe jedes Eckverbinders, die nach außen absteht und unter 45° bezogen auf die beiden Kupplungswände verläuft: Durch diese Anschlagrippe, die zwischen benachbarten Längs- und Querwänden liegt, sind deren Endpositionen eindeutig definiert. Ohne eine derartige Anschlagrippe würde dagegen die Position der einen Wand beim Einschieben der anderen infolge der aufeinandergleitenden, unter 45° verlaufenden Trennflächen verändert werden. Im ungünstigsten Falle könnte dabei die Eckkante der einen Wand um einen der Wandstärke der Wandung entsprechenden Betrag über die Kante der anderen Wandung hinausragen.Of particular importance in the invention is the stop rib of each corner connector, which protrudes outwards and runs at 45 ° with respect to the two coupling walls: this stop rib, which lies between adjacent longitudinal and transverse walls, clearly defines their end positions. Without such a stop rib, on the other hand, the position of one wall would be changed when the other was pushed in as a result of the separating surfaces sliding on one another at 45 °. In the worst case, the corner edge of one wall could protrude beyond the edge of the other wall by an amount corresponding to the wall thickness of the wall.

Die Erfindung wird anhand eines in den Figuren dargestellten Ausführungsbeispieles näher erläutert; es zeigen

  • Fig. 1 einen Eckverbinder in Draufsicht (Pfeilrichtung I in Fig. 2),
  • Fig. 2 eine Seitenansicht des Eckverbinders gesehen in Richtung des Pfeiles II in Fig. 1,
  • Fig. 3 eine Draufsicht entsprechend Fig. 1 auf einen Eckverbinder mit daraufgesteckten, abgeschnittenen Längs- und Querwänden,
  • Fig. 4 einen Schnitt entlang Linie IV-IV in Fig. 3 und
  • Fig. 5 eine vergrößerte Darstellung des Bereiches V in Fig. 4.
The invention is explained in more detail using an exemplary embodiment shown in the figures; show it
  • 1 is a corner connector in plan view (arrow direction I in Fig. 2),
  • 2 is a side view of the corner connector seen in the direction of arrow II in Fig. 1,
  • 3 is a plan view corresponding to FIG. 1 of a corner connector with cut, cut longitudinal and transverse walls,
  • Fig. 4 is a section along line IV-IV in Fig. 3 and
  • 5 is an enlarged view of area V in FIG. 4th

Der aus Kunststoff bestehende Eckverbinder 2 hat zwei rechtwinkelig zueinander verlaufende Kupplungswände.21, 22 mit oberen Randstreifen 211, 221 und unteren Randstreifen 212, 222. Im Eckbereich, wo die beiden Kupplungswände 21, 22 aufeinandertreffen, verläuft unter 45° - bezogen auf jede der beiden Kupplungswände - eine Anschlagrippe 20, deren Außenkante denselben Verlauf hat wie die Außenflächen der zu verbindenden Längs- und Querwände, mit denen sie bündig abschließt. Ferner sind auf der Außenseite jeder Kupplungswand Aussparungen 210, 220 und im unteren Randbereich auf der Innenseite Druckleisten 213, 223 angeordnet.The plastic corner connector 2 has two coupling walls 21, 22 running at right angles to each other with upper edge strips 211, 221 and lower edge strips 212, 222. In the corner area, where the two coupling walls 21, 22 meet, runs at 45 ° - in relation to each of the two coupling walls - a stop rib 20, the outer edge of which has the same course as the outer surfaces of the longitudinal and transverse walls to be connected, with which it is flush. Furthermore, recesses 210, 220 are arranged on the outside of each coupling wall and pressure strips 213, 223 are arranged on the inside in the lower edge region.

Längswand 1 und Querwand 1' (Fig. 3) sind Abschnitte eines identischen Profiles mit im wesentlichen C-förmigem Querschnitt und nach innen umgelegten Randstreifen 14, 15, die mit der Innenseite der Quer- bzw. Längswand je eine Führungsnut 11, 12 bilden, die einen Öffnungswinkel α, β kleiner 900 gegen eine durch die Öffnungen der Führungsnuten 11, 12 gelegte Bezugsgerade G aufweist; vorzugsweise werden diese Öffnungswinkel möglichst klein gewählt.Longitudinal wall 1 and transverse wall 1 '(FIG. 3) are sections of an identical profile with an essentially C-shaped cross section and inwardly folded edge strips 14, 15 which each form a guide groove 11, 12 with the inside of the transverse or longitudinal wall, the opening angle α a, β comprises less than 90 0 to a through the openings of the guide grooves 11, 12 defined reference line G; these opening angles are preferably chosen to be as small as possible.

Die Form der Kupplungswände 21, 22 des Eckverbinders entspricht hier genau dem Verlauf des Profiles von Längs-und Querwandung, so daß diese Längs- und Querwandungen - wie in Fig. 4 dargestellt - satt auf der Außenfläche der Kupplungswände 21, 22 aufliegen. Die Randstreifen 14, 15 der Kupplungswände stecken dabei in den Führungsnuten 11 und 12. Eventuelle Toleranzen werden durch die Druckleisten 213, 223 ausgeglichen, die sich beim Zusammenstecken von Quer- und Längswandungen einerseits und Eckverbinder andererseits verformen.The shape of the coupling walls 21, 22 of the corner connector corresponds exactly to the profile of the longitudinal and transverse walls, so that these longitudinal and transverse walls - As shown in Fig. 4 - lie snugly on the outer surface of the coupling walls 21, 22. The edge strips 14, 15 of the coupling walls are inserted in the guide grooves 11 and 12. Possible tolerances are compensated for by the pressure strips 213, 223, which deform on the one hand and the corner connector when transverse and longitudinal walls are put together.

Die in Fig. 3 dargestellte Endlage der Längs- und Querwände 1, 1', bezogen auf den Eckverbinder 2 und seine Anschlagrippe 20, ist durch die in Aussparungen 210, 220 des Eckverbinders einschnappenden Verbindungslappen 13, 13' gesichert.The end position of the longitudinal and transverse walls 1, 1 'shown in FIG. 3, based on the corner connector 2 and its stop rib 20, is secured by the connecting tabs 13, 13' which snap into recesses 210, 220 of the corner connector.

Claims (5)

1. Rechteckiger Leuchtenrahmen, bestehend aus je zwei Quer- und Längswänden, dadurch gekennzeichnet , daß die Quer- und Längswände (1, 1') identisches Profil mit im wesentlichen C-förmigem Querschnitt und nach innen umgelegten Randstreifen (14, 15) haben, die mit der Innenseite einer Quer- bzw. Längswand je eine Führungsnut (11, 12) bilden, die einen Öffnungswinkel (α, β) kleiner 90° gemessen gegen eine durch die Öffnungen der Führungsnuten gelegte Bezugsgerade (G) aufweisen, daß zur Verbindung von Längs- und Querwänden .(1, 1') Eckverbinder (2) mit rechtwinkelig zueinander verlaufenden Kupplungswänden (21, 22) dienen, die mit ihren oberen und unteren Randstreifen (221, 222) in den Führungsnuten (11, 12) der Längs- und Querwände (1, 1') stecken, daß jeder Eckverbinder (2) eine von seiner Aussenseite abstehende Anschlagrippe (20) hat, die mit jeder Kupplungswand (21, 22) einen Winkel von 45° einschließt und an der die unter 45° geschnittenen Trennflächen (10, 10') benachbarter Längs- und Querwände anliegen und daß aus den Endbereichen jeder Längs- bzw. Querwand (1, 1') ein Verbindungslappen (13, 13') in die darunter liegende Kupplungswand (21, 22) des Eckverbinders (2) ragt.1. Rectangular luminaire frame, each consisting of two transverse and longitudinal walls, characterized in that the transverse and longitudinal walls (1, 1 ') have an identical profile with an essentially C-shaped cross section and inwardly folded edge strips (14, 15), which each form a guide groove (11, 12) with the inside of a transverse or longitudinal wall, which have an opening angle (α, β) measured less than 90 ° against a reference straight line (G) through the openings of the guide grooves, that for connecting Longitudinal and transverse walls. (1, 1 ') corner connectors (2) with right-angled coupling walls (21, 22) serve, with their upper and lower edge strips (221, 222) in the guide grooves (11, 12) of the longitudinal and transverse walls (1, 1 ') that each corner connector (2) has a stop rib (20) protruding from its outside, which encloses an angle of 45 ° with each coupling wall (21, 22) and on which the cut at 45 ° Partitions (10, 10 ') of adjacent longitudinal and d Cross walls abut and that a connecting tab (13, 13 ') protrudes from the end regions of each longitudinal or transverse wall (1, 1') into the coupling wall (21, 22) of the corner connector (2) underneath. 2. Rechteckiger Leuchtenrahmen nach Anspruch 1, dadurch gekennzeichnet , daß die Kupplungswände (21, 22) an den Innenseiten der Längs- und Querwände (1, 1') anliegen.2. Rectangular luminaire frame according to claim 1, characterized in that the coupling walls (21, 22) abut the inner sides of the longitudinal and transverse walls (1, 1 '). 3. Rechteckiger Leuchtenrahmen nach Anspruch 1 oder 2, dadurch gekennzeichnet , daß jeder Eckverbinder (2) Aussparungen (210, 220) hat, in die die Verbindungslappen (13, 13') eingreifen.3. Rectangular lamp frame according to claim 1 or 2, characterized in that each corner connector (2) has recesses (210, 220) into which the connecting tabs (13, 13 ') engage. 4. Rechteckiger Leuchtenrahmen nach Anspruch 1 oder 2, dadurch gekennzeichnet , daß die Verbindungslappen (13, 13') in die Kupplungswände (21, 22) der Eckverbinder (2) eingedrückt sind.4. Rectangular lamp frame according to claim 1 or 2, characterized in that the connecting tabs (13, 13 ') in the coupling walls (21, 22) of the corner connector (2) are pressed. 5. Rechteckiger Leuchtenrahmen nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet , daß die Außenkante der Anschlagrippe (20) jedes Eckverbinders (2) denselben Verlauf hat wie die Außenflächen von Längs- und Querwänden.5. Rectangular lamp frame according to one of claims 1 to 4, characterized in that the outer edge of the stop rib (20) of each corner connector (2) has the same course as the outer surfaces of the longitudinal and transverse walls.
EP81108372A 1980-10-31 1981-10-15 Rectangular frame for lighting fixtures Expired EP0051184B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81108372T ATE5612T1 (en) 1980-10-31 1981-10-15 RECTANGULAR LUMINAIRE FRAME.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3041111 1980-10-31
DE3041111A DE3041111C2 (en) 1980-10-31 1980-10-31 Rectangular lamp frame

Publications (2)

Publication Number Publication Date
EP0051184A1 true EP0051184A1 (en) 1982-05-12
EP0051184B1 EP0051184B1 (en) 1983-12-14

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EP81108372A Expired EP0051184B1 (en) 1980-10-31 1981-10-15 Rectangular frame for lighting fixtures

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EP (1) EP0051184B1 (en)
AT (1) ATE5612T1 (en)
DE (1) DE3041111C2 (en)
ZA (1) ZA817534B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2592135A1 (en) * 1985-12-20 1987-06-26 Trilux Lenze Gmbh & Co Kg Composite open design luminaire frame
WO2013000572A1 (en) 2011-06-30 2013-01-03 2LUTION GmbH Composition for controlling parasites on animals

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI834168A (en) * 1982-11-26 1984-05-27 Siemens Ag BELYSNINGSRAM OCH DESS FOERBINDNING.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB604620A (en) * 1945-10-02 1948-07-07 Koller Ernst A process for the undetachable connection of constructional parts, in particular of profiled parts
US3429602A (en) * 1967-04-26 1969-02-25 Alusuisse Welded light-metal corner construction
DE1589253A1 (en) * 1967-06-01 1970-03-26 Philips Nv Frame structure for fastening a lamp or a part thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2743257C2 (en) * 1977-09-26 1983-06-23 Siemens AG, 1000 Berlin und 8000 München Shade for an unshielded luminaire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB604620A (en) * 1945-10-02 1948-07-07 Koller Ernst A process for the undetachable connection of constructional parts, in particular of profiled parts
US3429602A (en) * 1967-04-26 1969-02-25 Alusuisse Welded light-metal corner construction
DE1589253A1 (en) * 1967-06-01 1970-03-26 Philips Nv Frame structure for fastening a lamp or a part thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2592135A1 (en) * 1985-12-20 1987-06-26 Trilux Lenze Gmbh & Co Kg Composite open design luminaire frame
WO2013000572A1 (en) 2011-06-30 2013-01-03 2LUTION GmbH Composition for controlling parasites on animals

Also Published As

Publication number Publication date
DE3041111C2 (en) 1982-11-25
ATE5612T1 (en) 1983-12-15
ZA817534B (en) 1982-10-27
DE3041111A1 (en) 1982-07-29
EP0051184B1 (en) 1983-12-14

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