EP0798508B1 - Verfahren zum Herstellen eines im Querschnitt V-förmigen Reflektors für eine Leuchte und ein im Querschnitt V-förmiger Reflektor - Google Patents
Verfahren zum Herstellen eines im Querschnitt V-förmigen Reflektors für eine Leuchte und ein im Querschnitt V-förmiger Reflektor Download PDFInfo
- Publication number
- EP0798508B1 EP0798508B1 EP97105169A EP97105169A EP0798508B1 EP 0798508 B1 EP0798508 B1 EP 0798508B1 EP 97105169 A EP97105169 A EP 97105169A EP 97105169 A EP97105169 A EP 97105169A EP 0798508 B1 EP0798508 B1 EP 0798508B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- apex
- shape
- shaped
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
Definitions
- the invention relates to a method and a reflector according to the The preamble of claim 1, 3, 5, 13 or 19.
- a reflector of a luminaire that is from the light source of the luminaire reflecting outgoing light in the direction of illumination and thereby the Increase the light output of the lamp.
- Such cross reflectors which in technical terms also with cross blades of Luminaire grids are also used for reflection and another of the at least partial glare control of the lamp.
- a cross reflector with a V-shaped cross-section It is common to bend a cross reflector with a V-shaped cross-section from a Shape the board with the reflector walls folded around the apex of the V shape become.
- a light V-shape is also available in the post-published WO 96/23950 A2, see also DE-A-195 03 0293, described Venetian blind provided to divide the slat into two sections, the one section as Fading optics for the overheating, high summer sun and the second section as Light directing optics are used to illuminate the depth of the room.
- the edge between the two Parts are created with the help of two complementary rollers, whose work surfaces have a shape corresponding to the edge.
- WO-A-96/23950 and WO-A-96/25 623 show a prior art aloud Art. 54 (3) EPC and are with the Assessment of inventive step not considered.
- the invention has for its object a method and a reflector types specified at the outset so that a narrow width or a narrow apex, preferably the reflector walls lying against each other in the area of the vertex is reached.
- the apex is squeezed and rolled laterally or rolled.
- the material in the area of the apex is over its Elasticity limit, whereby a change in the structure of the material and possibly the material also flows, causing the crown to "open” causing self-elasticity eliminated or to a negligible small value is reduced.
- the reflector walls remain essentially in the folded position by squeezing.
- the desired alignment of the reflector walls in the area of the apex and / or in the area of the adjacent vertex edges of the reflector walls without a voltage that distances them from one another can be achieved by the inventive method Crushing, rolling or rolling, even when the Reflector walls are connected to each other by apex pieces, which in the Measures according to the invention can be included or exempted.
- a recess is the problematic area of tension in the apex removed through the recess, making the "opening" after bending essential is reduced and the reflector walls on their formed by the recess Longitudinal edges lie together.
- the at least one recess defined apex in a known manner with a Inner radius may be curved or crushed. The abutting of the longitudinal edges leaves reach each other in both cases.
- one or more in the longitudinal direction of the apex to provide recesses one behind the other, whereby at least two apex pieces on the end or one or more apex pieces in the middle area are formed.
- One, two apexes at the ends defining recess is particularly advantageous because these end Crown pieces are for an advantageous joining technique for connection with the Side walls of a longitudinal reflector are suitable for forming a luminaire grid.
- there the apex pieces can engage behind the side walls of the longitudinal reflector, thereby they are hidden from view and only the longitudinal edges formed by the recess the reflector walls of the cross reflector are visible.
- the apex or the Recess edge area essentially over the entire length by clamping or To squeeze the jaws.
- the invention differs from this Rolling and rolling in that the material in one by the size of the Roll or roller predetermined short length range is claimed. hereby lower forces are required to compress or squeeze the material and there is also better deformation and flow behavior of the material.
- the invention is further based on the task of shaping the reflector to improve its V shape.
- the subclaims contain features that involve bending and manufacturing of the reflector can be improved by simple and inexpensive to produce Award designs and also better use of the so-called enable lost light.
- the main parts of the ceiling or wall lamp designated 1 in FIG. 1 are a box-shaped housing 2 extending straight in its longitudinal direction with a Housing opening 3 for the light exit, a longitudinal reflector arranged in the housing 2 4 ir shape of a concave and possibly also convex, curved in the longitudinal direction the lamp 1 extending profile, which is formed in one piece or two lateral Longitudinal reflector parts or walls 4a, 4b can have several, each in one lengthways directed distance from each other arranged transverse reflectors 5, which with the Side walls of the longitudinal reflector 4 or the longitudinal reflector walls 4a, 4b connected are and an elongated, extending in the longitudinal direction of the lamp 1 Light source, e.g. a fluorescent tube 6, which at its ends in on the housing 2nd fixed sockets 7 is inserted.
- the housing opening 3 can by a Cover made of transparent or translucent material such as glass or Plastic be covered.
- the transverse reflectors 5 are of the same design and each have two Transverse reflector walls 5a, 5b formed, which are arranged in a vertical cross section in a V-shape are and are connected to each other in the region of the apex 8 of the V-shape.
- This V shape by folding the longitudinal reflector walls 4a, 4b around the base of the apex 8 educated.
- the height h at its distance from the outer apex line 8a the pinching takes place, a single or multiple of the material thickness d amount, e.g. one to five times. It is advantageous that the walls 5a, 5b in essentially only touch along the inner apex line 8b. It is special It is advantageous to only dimension the height h so that it is simple to two- or three times the material thickness d. With such a configuration the transverse reflector walls 5a, 5b only in the area of the inner apex line 8b on. The transverse reflector walls 5a, 5b diverge immediately above the concave shape given the measure.
- the concave or parabolic rounded reflection surfaces R on the inner apex line 8b may be arranged or run so that on the inner Apex line 8b applied tangents T with respect to the vertical longitudinal center plane E 1 run in an angular range W, which is preferably dimensioned greater than 0 ° and can be up to about 14 °, in particular about 10 °. If the angle W is 0 ° is the center of curvature M of the arcuate section the associated reflective surface R in the area of the apex 8 on one extending at right angles to the longitudinal center plane E1 and in the inner apex line 8b Level E2. If the angle W is greater than 0 ° in the aforementioned range the center of curvature 35 is below the plane E2.
- the transverse reflector 5 receives a small amount both at the apex 8 and overall Width b, B. This is advantageous for the following reasons.
- Light source 6 is emitted hits the base (top) of the cross reflectors 5 and is lost or non-reflective surface of this base side, or it must elaborate design measures, such as special reflective surfaces (see EP 0 435 394 A1, FIG. 3), so that at least part of it reflected light is reflected so that there are no disturbing reflections the longitudinal reflector walls 4a, 4b.
- the width B of the transverse reflectors 5 thus has Influence on the efficiency of the lamp 1 in such a way that with increasing Width B the efficiency decreases.
- the longitudinal reflector 4 and the transverse reflectors 5 preferably consist of Aluminum sheet, with at least the reflection surfaces R with a reflective and / or glare-reducing layer is coated, preferably an anodized layer.
- 4a to 4d show a molding process for a transverse lamella 5 in three Deformation or process steps.
- 4a shows a transverse reflector 5 as Cutting in the form of a board P in a flat extension.
- the transverse reflector walls 5a, 5b concave preformed or finished, which can be achieved by e.g. Bending, deep drawing or Press can be done.
- the transverse reflector walls 5a, 5b can be in one the vertical longitudinal median plane are bent mirror-image shape, in particular each in a parabolic shape.
- the pre-bent transverse reflector walls are 5a, 5b further bent around the apex 8, preferably in positions approximately correspond to the finished positions.
- the deformation step 4c forms in the area of the apex 8 a fold with an inner curve, as is shown in FIG. 4c can be seen.
- the width bl of this apex 8 is the width dimension of the hollow Rounding greater than the width b.
- the transverse reflector 5 is passed through a crimping of the apex region into its final shape according to FIG. 3 shaped, the transverse reflector 5 in this deformation process only in the area of Vertex 8 or in the region of its transverse reflector walls 5a, 5b are deformed can, depending on the design of an associated deformation device.
- transverse reflector 5 in one Shaping device 11 shown, which has two dies 11a, 11b, of which one or both are slidably mounted towards and away from each other.
- the remaining parts of this deformation device 11 are for reasons of simplification not shown.
- the preformed according to deformation step 4c is used Cross reflector 5 between the dies 11a, 11b in such a position positioned, in which the longitudinal center plane E1 of the transverse reflector 5 is perpendicular to Movement or central axis 13 of the die 11a, 11b extends.
- the recesses 14a, 14b each have the shape and size of the associated one Reflector surface R corresponding shape surface 15a, 15b, which is a negative of Reflecting surface R.
- the recesses 14a, 14b are Stepped surfaces extending transversely, in particular at right angles to the longitudinal center plane 12 16a, 16b arranged, the free longitudinal edges of the deformation process Limit cross reflector walls 5a, 5b.
- the Recesses 14a, 14b arranged so that in the advanced end position of the or the shaped die 11a, 11b the shape of the shape delimited by the shaped surfaces 15a, 15b finished cross-sectional shape of the transverse reflector 5 corresponds. It is also possible that in this feed adjustment, the dies 11a, 11b abut each other at the front the present embodiment in the area starting from the outer apex line 8a Stop surfaces 18a, 18b. In the opposite area of the front of the Form stamps 11a, 11b are set back with respect to the abutment surfaces 18a, 18b End face parts 19a, 19b are provided. Like the other parts of the Deformation device 11 is also a drive for moving and Retraction of the at least one die 11a, 11b not shown.
- the transverse reflector walls 5a, 5b have elongated wall parts 21a, 21b, whose height h1 is smaller than the height h2 Transverse reflector walls 5a, 5b, in the area of the apex 8 and in the area of the opposite free longitudinal edge recesses 22, 23 are provided, the Length dimensions L1, L2 to the shape of the longitudinal reflector walls 4a, 4b are adapted with which the front ends of the transverse reflector walls 5a, 5b Inserting the wall parts 21a, 21b in plug-in recesses 23 and folding the Wall parts 21a, 21b are attached to the outer sides of the longitudinal reflector walls 4a, 4b.
- Fig. 6 a special embodiment is shown, the one Partial utilization of this amount of light lost per se allows, this Embodiment is realized with a longitudinal reflector 4, the one to the outside bent or angled edge flange 24 facing away from the light source Has edge region of the longitudinal reflector walls 4a, 4b.
- a preferably angularly extending Light guide 25 is provided, the first end of the light source 25a facing the Area between the transverse reflector walls 5a, 5b is by the associated Plug-in recess 23a extends to the outside of the associated longitudinal reflector wall 4b and then bent or angled through a recess 26 in the edge flange 24 extends, the light guide 25 with its second end 25b preferably the Edge flange 24 protrudes. This can be done by bent or folded Edge flange leg 24a to be stabilized.
- the base i.e. the The top of the transverse reflectors 5 wholly or partially with a black stripe cover.
- the second end 25b with its end face is at this curvature adjusted so that it extends approximately parallel to the curvature.
- the second end 25b can also have a different shape.
- Such light guides 25 can in the Practice be LISA elements. The one received by the first ends 25a per se lost light is emitted at the second ends 25b, e.g. as phosphorescent light shimmer. This will not only increase the light output but also improves the design of the lamp 1.
- Such a light guide 25 can e.g. consist of transparent or translucent material such as glass or plastic. In the presence of such light guides and a cover of the base are in the latter Provide recesses so that light can reach the light guides.
- angular light guide 25 a flat or cuboid light guide from the to arrange materials already mentioned on the edge flange 24 and in a suitable manner Way to fix, e.g. by gluing.
- Edge flange 24 can be arranged in the recess 26.
- This can be a flexible or flexible film in the form of a film or around a film in the form a solid layer in the sense of a thin disc.
- the attachment can also in a suitable manner, e.g. by gluing.
- the apex 8 has a continuous Recess 27 or more, one behind the other in the longitudinal direction Recesses 27, whose height h3 is a few mm and in one area between the wall thickness d of the cross reflector 5 and a little more, e.g. between the Can be one to three or five times the wall thickness d. 7 are the Front end areas of the recess 27 shown as an example as a rectangle.
- the longitudinal edges 27a of the transverse reflector walls 5a, 5b formed by the recess can, however, also take the form of a preferably concave arc exhibit.
- the cross-sectional shape of the transverse reflector 5 according to FIGS. 7 and 8 corresponds to that 3, but the one shown in FIG The apex plane E2 is approximately at the height of the longitudinal edges 27a, 27b, and wherein the other angles are the same.
- the length L3 of the recess 27 or the length L4 of the Vertex pieces 8c taking into account the corresponding external distance c Longitudinal reflector walls 4a, 4b to be dimensioned so that they are in contact with the Longitudinal reflector walls 4a, 4b are mounted outside and thus part of the Wall parts 21a, 21b are.
- the inner shoulder surfaces 8d are the apex pieces 8c taking into account the material thickness of the associated longitudinal reflector wall 4a, 4b so that they are outside the reflector walls 4a, 4b and, if necessary, can rest on the outside against the associated longitudinal reflector wall 4a, 4b.
- the recess 27 is preferably made after bending the reflector walls 5a, 5b for the purpose of their curvature by a transverse punching of the crown 8 made.
- the reflector walls 5a, 5b already connected to each other, preferably in the area of the apex pieces 8c. at this method, the reflector walls 5a, 5b can be made from two separate sheet metal parts getting produced.
- the recess 27 in the board P, from which the Reflector 5 is bent pre-punched. Then the board is so in the sense of Description to FIGS. 4a to 4d bent and preferably Vertex pieces 8c also crimped so that the edges 27a, 27b are at a common height against one another.
- the longitudinal reflector 4 and / or the Cross reflectors 5 made of bright or anodized aluminum sheet with matt or shiny surface or reflective surface. It is also possible To use sheet steel. In both cases it is also advantageous to use the surface or Paint the reflective surface with white paint, using a paint or otherwise formed coating can be matt or glossy.
- the device for producing transverse reflectors 5 due to a special rolling process, the following devices or units have the are arranged one behind the other.
- This device 31 serves for transverse reflectors 5 according to FIG. 2 or here according to FIG. 7 by a special rolling process in which the respective transverse reflector 5 from a flat starting material, e.g. one sheet, through several successive rolling operations are deformed into the V-shape. It can be are pieces cut into pieces or a strip material that is in the course of continuous production from a supply and continuously or is passed through the device 31 in strokes.
- the main components of the device 1 are in the direction of passage 32 thereof the following:
- a rotary bearing 33 for a strip supply 34 provided on which the stock 34 is freely or rotatably supported by a drive and of which a flat strip 35 in the form of a sheet metal strip, e.g. made of aluminum, rollable is.
- a drive device 36 can be located behind the supply 34 provided upper and lower, against the flat belt 35 drive rollers his. It is also possible to use a straightening device for straightening the To provide ribbon 34.
- the punch 37 may be stationary in the direction 32 Act tool, the process is controlled so that the punching process when the feed of the flat belt 35 stops for a short time.
- the punch 37 is in or on a Guide 39 back and forth along the passage direction 32 by a drive 41 displaceable, the advance being carried out at a speed that the Feed speed of the flat belt 35 corresponds and the punching process at Advance movement of the punch 37 takes place.
- that will be Punching tool 37 is preferably moved back at a higher speed in order to next advance in a suitable place the next punching in the flat band 35 to install.
- transverse reflectors 5 are used in the present exemplary embodiment 7 produced in the device 31.
- the production of cross reflectors 5 2 takes place in basically the same way.
- a rolling device 42 is located behind the punching tool 37 or punching area first type, which serves to flat strip 35 into a cross-sectional shape according to FIG. 4b (see also Fig. 10) or 4e (different shape of the rolls).
- This bending process takes place between two rollers 43a, 43b, which are convex along their axial surface lines and concave have a shape that corresponds to the curvature of the transverse reflector walls 5a, 5b equivalent.
- the deformation can be directed transversely to the direction of passage, i.e. effective pressure on the broad sides of the flat belt 35.
- a rolling device 42 is a second one Arranged in the manner in which the now preformed band 35 during preforming 10 in several deformation steps in the V-shape shown in Fig. 4d is formed between a pair of rollers.
- This causes the Band 35 about the central axis of the joint, wherein the apex 8 is formed.
- the Deformation in the rolling device 46 of the second type can be in several successive deformation steps take place, whereby from deformation step to Deforming the band 35 into the V shape of an increasingly smaller angle (W, W in Fig. 3) until the final V-shape is reached. In the present embodiment this deformation takes place in four deformation steps each on the roller pairs R1, R2, R3, R4.
- the roles R of each pair of roles are each the same.
- the in the rolling device 42 of the first type formed shape of the final curvature of the side walls 5a, 5b of the Corresponding to the transverse reflector 5 all four pairs of rollers R1 to R4 are in shape their surface lines 47 are of the same design.
- the pairs of roles differ from each other by the angles W1, W4 enclosed between their axes of rotation 48.
- At the Passage of the belt 35 through the pairs of rollers R1 to R4 takes place in the front End region of this deformation, e.g. on the last pair of rollers R4, a side one Crushing the crown 8 by the rolling process (Fig. 12).
- the Hold-down device 49 is a narrow upright web, which is on the inner surface of the apex 8 abuts and forms a sliding or guiding surface 51 which lifts the band 34 prevented in this area because the sliding surface limits such movement.
- a stamping tool 52 shown in simplified form with a lower tool part 52a and an upper tool part 52b in the form of a Knife 52b arranged that already in relation to the punch 37 described way and can work mechanically, e.g. by a Articulated rod 53 connected to the drive 41 of the punch 37 and thus by can be driven by a common drive.
- the knife 52b serves the as far as shaped and by a small connecting portion 35a of the band 35th to separate contiguous transverse reflectors 5 from each other by separating cuts.
- the transverse reflectors 5 are not a removable tape 35 but a prefabricated one Cutting in the form of a board P according to FIG. 4a. to use.
- a board requires in the device 31 a feed device that it in the direction of passage 32 leads to the respective device and on.
- the cross reflectors 5 a tube, e.g. a profile bar to use that by means of one or more roller pairs R 5 arranged one behind the other in FIG. 14 is deformed into the V-shape by rollers, the in this embodiment in Cross-section triangular cross reflector 5 has an upper wall 5c, the the walls 5a, 5b is integrally connected and the rolled triangular tubular shape forms.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
- Fig. 1
- eine erfindungsgemäße Leuchte mit einem durch Längs- und Querreflektoren gebildeten Leuchtenraster in perspektivischer Unteransicht;
- Fig. 2
- einen Querreflektor in perspektivischer Darstellung;
- Fig. 3
- den Querreflektor nach Fig. 2 im vertikalen Querschnitt;
- Fig. 4a bis 4d
- jeweils im vertikalen Querschnitt vier Verformungsschritte zur Formung des Querreflektors;
- Fig. 4e
- ein weiterer Verformungsschritt zur Formung des Querreflektors;
- Fig. 5
- den Reflektor innerhalb eines Formwerkzeugs;
- Fig. 6
- die Fügetechnik zwischen einem Längsreflektor und einem Querreflektor in perspektivischer Unteransicht und vergrößerter Darstellung.
- Fig. 7
- einen erfindungsgemäßen Querreflektor in abgewandelter Ausgestaltung in perspektivischer Ansicht;
- Fig. 8
- den Querreflektor nach Fig. 5 im vertikalen Schnitt;
- Fig. 9
- eine erfindungsgemäße Vorrichtung zur Herstellung von Querreflektoren durch ein Rollverfahren in der Seitenansicht;
- Fig. 10
- den Schnitt X-X in Fig. 9;
- Fig. 11
- den Schnitt XI-XI in Fig. 9;
- Fig. 12
- den Schnitt XII-XII in Fig. 9;
- Fig. 13
- ein Ausgangsmaterial in Form eines Flachbandes während mehrerer Verfahrensschritte beim Rollen eines Querreflektors;
- Fig. 14
- ein rohrförmiger Querreflektor beim Rollen im Querschnitt;
- Fig. 15
- einen Roll- oder Walzvorgang im Scheitelbereich eines Querreflektors in der Stirnansicht.
Vorschieben des Bandes 35 durch die Vorrichtung 31, wobei durch diesen Vorschub das Band 35 auch vom Vorrat 34 abgezogen werden kann.
Stanzen der jeweiligen Vorform des Querreflektors 5 während des Vorschubs oder während eines kurzzeitigen Stillstands des Bandes 35.
Verformen des Bandes 35 in mehreren Verformungsschritten jeweils zwischen zwei Rollenpaaren 43a, 43b; R1 bis R4 und dabei Erzeugung der V-Form des Querreflektors 5.
Trennen der hintereinander angeordneten und noch miteinander verbundenen Querreflektoren 5 voneinander mit dem Stanzwerkzeug 52.
Claims (19)
- Verfahren zum Herstellen eines im Querschnitt V-förmigen Reflektors (5) für eine Leuchte (1), insbesondere eines Querreflektors (5) für eine längliche Leuchte (1), aus einer Platine (P),
dadurch gekennzeichnet, dass die Platine (P) zunächst zur Bildung des Scheitels (8) der V-Form in ihrem mittleren Bereich vorgebogen wird, und dass dann die beiden durch den Scheitel (8) gebildeten Platinenteile (5a, 5b) im Bereich des Scheitels (8) zu beiden Seiten der Längsmittelebene der V-Form durch einen seitlichen Quetschdruck derart zusammengequetscht werden, dass ein schmaler und ggf. auch spitzer Scheitel (8) erreicht wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Platinenteile (5a, 5b) vor oder während oder nach dem Vorbiegen der Platine (P) im Bereich ihres Scheitels (8) mit einer konkaven oder parabelförmigen Krümmung vorgebogen oder fertig gebogen werden, deren Krümmungsachse (M) parallel zum Scheitel (8) verläuft. - Verfahren zum Herstellen eines im Querschnitt V-förmigen Reflektors (5) für eine Leuchte (1), insbesondere eines Querreflektors (5) für eine längliche Leuchte (1), bei dem der Reflektor (5) aus einem Ausgangsmaterial geformt wird, dessen Querschnittsform sich von der V-förmigen Querschnittsform des Reflektors (5) unterscheidet,
dadurch gekennzeichnet, dass der Scheitel (8) zwischen einer Rolle (R) oder Walze und einem Widerlager oder zwischen zwei Rollen (R4; R6) oder Walzen gerollt oder gewalzt wird, wobei die beiden durch den Scheitel (8) gebildeten Platinenteile (5a, 5b) im Bereich des Scheitels (8) zu beiden Seiten der Längsmittelebene der V-Form durch einen seitlichen Quetschdruck derart zusammengequetscht werden, dass ein schmaler und ggf. auch spitzer Scheitel (8) erreicht wird. - Verfahren nach Anspruch 3,
dadurch gekennzeichnet, dass der Scheitel (8) in seiner Längsrichtung gewalzt wird. - Verfahren zum Herstellen eines im Querschnitt V-förmigen Reflektors (5) für eine Leuchte (1), insbesondere eines Querreflektors (5) für eine längliche Leuchte (1), bei dem der Reflektor (5) aus einem Ausgangsmaterial geformt wird, dessen Querschnittsform sich von der V-förmigen Querschnittsform des Reflektors (5) unterscheidet,
dadurch gekennzeichnet, dass die V-Form mittels zu beiden Seiten der Längsmittelebene der V-Form angeordneten Rollen in der Längsrichtung des Reflektors gerollt wird. - Verfahren nach Anspruch 5,
dadurch gekennzeichnet, dass die V-Form mittels mehreren in der Durchgangsrichtung (32) hintereinander angeordneten Rollenpaaren (R1 bis R4) in mehreren, sich in der Querschnittsgröße voneinander unterscheidenden Stufen gerollt wird. - Verfahren nach einem der Ansprüche 3 bis 6,
dadurch gekennzeichnet, dass das Walzen des Scheitels (8) nach oder beim Rollen der V-Form, insbesondere beim Rollen der letzten oder vorletzten Stufe (R4) erfolgt. - Verfahren nach einem der Ansprüche 3 bis 7,
dadurch gekennzeichnet, dass das Ausgangsmaterial während des Rollens der V-Form und/oder während des Rollens oder Walzens des Scheitels (8) an seiner dem Scheitel (8) gegenüberliegenden Seite her geführt wird. - Verfahren nach Anspruch 8,
dadurch gekennzeichnet, dass das Ausgangsmaterial an der Innenseite des Scheitels (8) gegenüberliegenden Seite geführt wird. - Verfahren nach einem der vorherigen Ansprüche 3 bis 9,
dadurch gekennzeichnet, dass der Reflektor (5) aus einem im Querschnitt flachen oder hohlprofilförmigen oder rohrförmigen Ausgangsmaterial geformt oder gerollt wird. - Verfahren nach einem der vorherigen Ansprüche 3 bis 10,
dadurch gekennzeichnet, dass die V-Form von einem durchgehenden Band geformt wird und nach dem Formvorgang das Band in der jeweiligen Länge des Reflektors (5) entsprechende Stücke abgelängt wird. - Verfahren nach Anspruch 11,
dadurch gekennzeichnet, dass bei der Verwendung eines flachen Ausgangsmaterials vor dem Walzen oder Rollen wenigstens eine Stanzung oder Einschneidungen (22; 23; 27) an den Enden oder im mittleren Bereich des noch zu vervollständigenden Reflektors (5) angebracht werden, dass die V-Form an einem völlig oder an kleinen Verbindungsabschnitten(55) zusammenhängenden Abschnitten geformt wird und dass nach dem Rollen das zusammenhängende Band in den gewünschten Längen der Reflektoren (5) abgelängt wird. - Reflektor (5) für eine Leuchte (1), insbesondere Querreflektor (5) für eine längliche Leuchte (1), bestehend aus zwei V-förmig angeordneten Reflektorwänden (5a, 5b), die im Bereich des Scheitels (8) der V-Form miteinander verbunden sind,
wobei im Bereich des Scheitels (8) eine Ausnehmung (27) angeordnet ist, die beide Reflektorwände (5a, 5b) durchsetzt und an ihren beiden Seiten von Scheitelstücken (8c) begrenzt ist, und wobei die den Ausnehmungsgrund (28) bildenden Kanten (27a, 27b) der Reflektorwände (5a, 5b) aneinander liegen,
dadurch gekennzeichnet, dass die Reflektorwände (5a, 5b) durch Falten einer Platine (P) im Bereich des Scheitels (8) gebildet und einstückig miteinander verbunden sind. - Reflektor nach Anspruch 13,
dadurch gekennzeichnet, dass die den Ausnehmungsgrund (28) bildenden Kanten (27a, 27b) gerade verlaufen oder eine von einer Geraden abweichende Form aufweisen, z.B. konkav gekrümmt sind. - Reflektor nach Anspruch 13 oder 14,
dadurch gekennzeichnet, dass die Länge (L3) der Ausnehmung (27) größer oder gleich dem Außenabstand (c) der Reflektorwände (4a, 4b) eines den Querreflektor (5) aufweisenden Längsreflektors (4) ist. - Reflektor nach einem der Ansprüche 13 bis 15,
dadurch gekennzeichnet, dass die Faltung der Scheitelstücke (8c) zusammengequetscht ist. - Reflektor nach Anspruch 16,
dadurch gekennzeichnet, dass die Quetschung sich über den gesamten Höhenbereich (h3) der Scheitelstücke (8c) bis zu den Kanten (27a, 27b) der Reflektorwände (5a, 5b) erstreckt. - Reflektor nach einem der Ansprüche 13 bis 16,
dadurch gekennzeichnet, dass die Außenflächen der Reflektorwände (5a, 5b) konkav oder parabelförmig gekrümmt sind, wobei die Krümmungsachse (M) parallel zum Scheitel (8) verläuft. - Verfahren zum Herstellen eines Reflektors (5) nach einem der Ansprüche 13 bis 18,
wobei eine Platine (P) in ihrem mittleren Bereich V-förmig gebogen wird,
dadurch gekennzeichnet, dass die Ausnehmung (27) vor dem Biegen durch Stanzen der Platine (P) oder nach dem Biegen durch Stanzen des Scheitels (8) gefertigt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19612197 | 1996-03-27 | ||
DE19612197A DE19612197A1 (de) | 1996-03-27 | 1996-03-27 | Verfahren zum Herstellen eines im Querschnitt V-förmigen Reflektors für eine Leuchte und ein im Querschnitt V-förmiger Reflektor |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0798508A2 EP0798508A2 (de) | 1997-10-01 |
EP0798508A3 EP0798508A3 (de) | 1998-04-15 |
EP0798508B1 true EP0798508B1 (de) | 2002-10-30 |
Family
ID=7789641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97105169A Expired - Lifetime EP0798508B1 (de) | 1996-03-27 | 1997-03-26 | Verfahren zum Herstellen eines im Querschnitt V-förmigen Reflektors für eine Leuchte und ein im Querschnitt V-förmiger Reflektor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0798508B1 (de) |
AT (1) | ATE227012T1 (de) |
DE (2) | DE19612197A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19840718A1 (de) * | 1998-09-07 | 2000-03-30 | Thorn Licht Gmbh | Leuchtenraster sowie Verfahren zur Herstellung lackierter Kanten von Teilen von Leuchtenrastern |
DE29923835U1 (de) | 1999-04-07 | 2001-04-05 | Zumtobel Staff Gmbh | Beleuchtungsanordnung zur Anbringung an der Decke oder einer Wand eines Raumes |
DE20310704U1 (de) * | 2003-07-11 | 2003-10-30 | AVS Geschäftsführungs- und Beteiligungs GmbH, 41352 Korschenbroich | Elektrische Leuchte |
DE102019118557A1 (de) * | 2019-07-09 | 2021-01-14 | Chromasens Gmbh | Zweidimensionales Beleuchtungssystem |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE65599C (de) * | B. C. J. KÜCKEN in Berlin N„ Brunnenstr. 82 d | Verfahren zur Herstellung T förmiger Trageisen für Fenstersprossen u. dergl. aus Blech | ||
DE544497C (de) * | 1929-11-14 | 1932-02-18 | Saechsische Cartonnagen Maschi | Vorrichtung zur Herstellung von Einfass-Schienen fuer Koffer o. dgl. |
AT305583B (de) * | 1971-06-22 | 1973-03-12 | Tte Krems Ges M B H | Leichtbau-Trägerprofil sowie Verfahren und Vorrichtung zu dessen Herstellung |
FR2298057A1 (fr) * | 1975-01-17 | 1976-08-13 | Cegedur | Paralume presentant une bonne tenue au feu |
DE7616743U1 (de) * | 1976-05-25 | 1977-01-27 | Heinemann, Herbert, 7533 Eutingen | Profiliermaschine fuer metallbleche |
DE3005762C2 (de) * | 1980-02-15 | 1981-10-29 | Siemens AG, 1000 Berlin und 8000 München | Leuchtenraster mit gekrümmten Außenreflektoren |
JPS57106439A (en) * | 1980-12-24 | 1982-07-02 | Tokyo Electric Co Ltd | Manufacture of plate part for lighting apparatus |
DK161346C (da) * | 1988-02-18 | 1991-12-02 | Elselskabet Riegens A S | Fremgangsmaade og apparat til fremstilling af tyndpladeemner saasom reflektorer til lysroersarmaturer |
DK0435394T3 (da) * | 1989-12-27 | 1995-05-01 | Philips Nv | Belysningsarmatur |
DE4243659A1 (de) * | 1992-12-23 | 1994-06-30 | Licentia Gmbh | Metallraster für eine Leuchte |
NL9400927A (nl) * | 1994-06-08 | 1996-01-02 | Johan Massee | Werkwijze en inrichting voor het vormen van een rand aan een lampreflector. |
DE19503293A1 (de) * | 1995-02-02 | 1996-08-08 | Spl Solar Patent Lizenz Holdin | Gekantete Jalousielamelle |
ATE192562T1 (de) * | 1995-02-14 | 2000-05-15 | Koninkl Philips Electronics Nv | Leuchte |
-
1996
- 1996-03-27 DE DE19612197A patent/DE19612197A1/de not_active Withdrawn
-
1997
- 1997-03-26 EP EP97105169A patent/EP0798508B1/de not_active Expired - Lifetime
- 1997-03-26 AT AT97105169T patent/ATE227012T1/de not_active IP Right Cessation
- 1997-03-26 DE DE59708591T patent/DE59708591D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0798508A3 (de) | 1998-04-15 |
DE59708591D1 (de) | 2002-12-05 |
EP0798508A2 (de) | 1997-10-01 |
ATE227012T1 (de) | 2002-11-15 |
DE19612197A1 (de) | 1997-10-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69608044T2 (de) | Leuchte | |
DE2843249B1 (de) | Wischblatt und Verfahren zur Herstellung eines Wischblatts | |
DE69000520T2 (de) | Rohrbogen. | |
DE3223881A1 (de) | Abstandhalterrahmen sowie verfahren und vorrichtung zum biegen von hohlprofilleisten zu abstandhalterrahmen fuer isolierglas | |
EP0268750B1 (de) | Längenverstellbare Gestängekupplung | |
EP1417393B1 (de) | Flächengebilde | |
EP0121873B1 (de) | Verfahren und Vorrichtung zum Biegen von Abstandhalter-Profilen für Isolierglasscheiben | |
DE102013019295A1 (de) | Sonnenschutzanlagen mit faltenförmig strukturierten Lamellen | |
WO2006037594A1 (de) | Jalousierbarer rollladen, glied und herstellungsverfahren dafür | |
DE2908891C3 (de) | Glasscheibe für Kraftfahrzeug- Scheinwerfer, Preßstempel und Verfahren zum Herstellen eines Glasscheiben-Preßstempels | |
DE1617253A1 (de) | Verfahren zur Herstellung von Seifenstuecken mit auf einer Oberflaeche eingelegten Seifenstueckchen | |
EP0798508B1 (de) | Verfahren zum Herstellen eines im Querschnitt V-förmigen Reflektors für eine Leuchte und ein im Querschnitt V-förmiger Reflektor | |
EP1452202B1 (de) | Rollenklemme zum Regulieren der Durchflussmenge durch einen Schlauch | |
DE19543812A1 (de) | Jalousie zur Tageslichtumlenkung, bestehend aus gekanteten Lamellen | |
WO2019170510A1 (de) | Schaltprofil | |
EP0884209B1 (de) | Metallischer Lamellenstreifen, Verfahren zu seiner Herstellung sowie aus ihm hergestelltes Gerüstband | |
DE3409151C1 (de) | Verfahren und Vorrichtung zum Herstellen von selbsttragenden Bauelementen sowie Verwendung derselben zum Abdecken von ringsegmentförmigen Flächen | |
EP3478426B1 (de) | Verfahren zur herstellung von zierleisten und unter verwendung des verfahrens hergestellte zierleisten | |
EP1580490A2 (de) | Verkleidungsplatte für die Frontseite eines Heizkörpers sowie Verfahren zur Herstellung der Verkleidungsplatte | |
DE3219138A1 (de) | Paneelverbinder | |
EP0227674B1 (de) | Verfahren und vorrichtung zum schraubenförmigen wickeln von materialbändern | |
DE102010044596A1 (de) | Rollladenpanzer | |
DE19906553B4 (de) | Vorrichtung zum randseitigen Profilieren von Blechen oder Blechstreifen | |
DE2631219B2 (de) | Verfahren zum Herstellen von Dachrinnen und Vorrichtung zur Durchführung dieses Verfahrens | |
DE2020547A1 (de) | Wendelrohr |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE FR IT LI NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE FR IT LI NL |
|
17P | Request for examination filed |
Effective date: 19980623 |
|
17Q | First examination report despatched |
Effective date: 20010726 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ZUMTOBEL STAFF GMBH |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE FR IT LI NL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021030 |
|
REF | Corresponds to: |
Ref document number: 227012 Country of ref document: AT Date of ref document: 20021115 Kind code of ref document: T |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: A. BRAUN, BRAUN, HERITIER, ESCHMANN AG PATENTANWAE |
|
REF | Corresponds to: |
Ref document number: 59708591 Country of ref document: DE Date of ref document: 20021205 |
|
EN | Fr: translation not filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20030731 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20070319 Year of fee payment: 11 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 20070323 Year of fee payment: 11 Ref country code: AT Payment date: 20070323 Year of fee payment: 11 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20070329 Year of fee payment: 11 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20070605 Year of fee payment: 11 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PFA Owner name: ZUMTOBEL STAFF GMBH Free format text: ZUMTOBEL STAFF GMBH#SCHWEIZERSTRASSE 30#6850 DORNBIRN (AT) -TRANSFER TO- ZUMTOBEL STAFF GMBH#SCHWEIZERSTRASSE 30#6850 DORNBIRN (AT) |
|
BERE | Be: lapsed |
Owner name: *ZUMTOBEL STAFF G.M.B.H. Effective date: 20080331 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081001 Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080326 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 20081001 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080331 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080326 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20140530 Year of fee payment: 18 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 59708591 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20151001 |