EP0669494B1 - Glace pour dispositif d'éclairage ou de signalisation de véhicule et dispositif ainsi équipé - Google Patents
Glace pour dispositif d'éclairage ou de signalisation de véhicule et dispositif ainsi équipé Download PDFInfo
- Publication number
- EP0669494B1 EP0669494B1 EP95400403A EP95400403A EP0669494B1 EP 0669494 B1 EP0669494 B1 EP 0669494B1 EP 95400403 A EP95400403 A EP 95400403A EP 95400403 A EP95400403 A EP 95400403A EP 0669494 B1 EP0669494 B1 EP 0669494B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lens member
- attachment means
- sub
- plane
- edges
- 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
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
- F21S43/51—Attachment thereof
Definitions
- the present invention relates to a lens for a lighting device or vehicle signaling.
- One technique for making this type of ice cream is to use a injection molding machine for simultaneously molding parts of different colors.
- Another technique consists in first molding a subset ice, then place it in the mold of the second sub-assembly.
- These mutual attachment means generally comprise a part male on the edge of one of the subsets and a female part on the adjacent edge of the other subset, as described in FR-A-2 380 864 which teaches the characteristics of the preamble of claim 1.
- the present invention aims to overcome these drawbacks of the state of the technical.
- the invention also provides a lighting or signaling device for a vehicle, characterized in that it comprises a window as defined above.
- FIG. 1 shows a window 1 which comprises two parts or sub-assemblies 2 and 3 molded one on top of the other.
- Figure 2 is a vertical sectional view of a region where these two sub-assemblies are provided with hooking means.
- References 20 and 30 denote respectively their external faces (intended to be turned towards the outside) while references 22 and 32 designate their internal faces.
- the two parts of ice have, at a peripheral shoulder 23, respectively 33, a lug 24 and a complementary mortise 34, the tenon having a dovetail shape.
- Figure 3 are shown partially in section, the two parts of molds 4 and 4 'necessary for the manufacture of the periphery of the sub-assembly 2.
- the reference P designates the joint plane, that is to say the junction between the two parts 4 and 4 ′ of the mold.
- the two sub-assemblies 5 and 6 forming the lens of the invention comprise mutual attachment means 54 and 64.
- References 50 and 60 their respective external faces, that is to say those intended to be turned outwards when the glass is in place on a lighting or signaling device.
- References 52 and 62 correspond to their internal faces.
- the attachment means mentioned above extend over the edges respective 51 and 61 of the sub-assemblies, substantially in the plane of the glass.
- the male part 54 comprises, seen according to the section of FIG. 4, a face 540 substantially planar and parallel to the plane of the glass.
- It also has a curved face 541 which starts from the edge 51 along a direction substantially parallel to the plane of the glass to reach face 540 substantially perpendicular thereto.
- the face 541 has a shape complementary to that of Part 64.
- the face 540 could be arranged with the side of the external face of the ice sub-assemblies 5 and 6 so that the male part 54 would be reversed compared to the realization of figure 4.
- FIG. 5 represents, partially and in section, a mold necessary for the realization of the sub-assembly 5, the two parts of which have been designated 7 and 7 ′.
- junction plane P of the two parts 7 and 7 ′ coincides with that of the face 540 of the male member. Therefore, the part 7 simply rests on the part 7 'and there is no problem associated with the area P1 of docking of the joint plane, since it is not necessary to coincide so very precise both parts of the mold.
- the simplification of the geometry of the attachment means in this second realization reduces design time, especially time necessary for digitizing the part and simplifies the mold. This simplification is even more important if the glass is strongly arched and is molded in a mold which uses one or more moving parts, such as, for example, a cam.
- FIGS. 6 and 7 a window in accordance with the invention is shown, comprising three sub-assemblies 5, 6, 7.
- the sub-assembly 7 is for example molded in first.
- the sub-assembly 6 constitutes the first overmolding, while the sub-assembly 5 is the second.
- the colors of these subsets 5, 6 and 7 are, for example, respectively crystal, amber and red, corresponding to the reversing lights, flashing and stop lights.
- the latter are devoid of attachment means in certain angles, and of preferably in the region of all sharp angles.
- the glass is sealed in these corner regions by the faces of contact with a straight profile of the edges of the subassemblies, and this tightness proves satisfactory.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Glass To Other Materials (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
- la figure 1 est une vue en coupe d'une glace confonne à l'invention, zones de deux sous-ensembles ;
- la figure 2 est une vue en coupe verticale et partielle de la glace de la figure 1, dans une région où elle comporte des moyens d'accrochage ;
- la figure 3 est une vue en coupe verticale et partielle d'un moule utilisé pour le moulage du sous-ensemble de la glace de la figure 2 qui comporte une partie mâle d'accrochage ;
- la figure 4 est une vue en coupe verticale et partielle d'une seconde glace confonne à l'invention, dans une région où elle comporte des moyens d'accrochage ;
- la figure 5 est une vue en coupe verticale et partielle d'un moule utilisé pour le moulage du sous-ensemble de la glace de la figure 4 comportant une partie mâle d'accrochage ;
- les figures 6 et 7 sont des vues, respectivement en coupe et de face, d'une glace confonne à l'invention, la coupe de la figure 6 étant réalisée selon le plan VI-VI de la figure 7 ;
- la figure 8 est une vue schématique et de face d'une glace dans laquelle les sous-ensembles qui la forment sont dépourvus de moyens d'accrochage dans les angles.
Claims (5)
- Glace pour un dispositif d'éclairage ou de signalisation de véhicule, qui consiste en au moins deux sous-ensembles (5, 6, 7) sunnoulés l'un sur l'autre et comportant, sur leurs bords adjacents (51, 61), des moyens d'accrochage mutuel qui s'étendent sensiblement selon le plan de la glace, ces moyens d'accrochage comprenant une partie mâle (54) sur l'un des sous-ensembles et une partie femelle complémentaire (64) sur l'autre sous-ensemble, caractérisée en ce que les moyens d'accrochage sont prévus dans des zones généralement rectilignes desdits bords adjacents et en ce que des zones adjacentes à des zones de forte courbure desdits bords, ainsi que lesdites zones de forte courbure elles-mêmes, sont dépourvues de tels moyens d'accrochage.
- Glace selon la revendication 1, caractérisée en ce que des zones d'angles desdits bords sont dépourvus de moyens d'accrochage.
- Glace selon la revendication 1 ou 2, caractérisée en ce que la partie mâle (54) des moyens d'accrochage présente, en coupe transversale, une face (540) essentiellement droite et parallèle au plan de la glace et une face curviligne (541) qui s'étend à partir dudit bord selon une direction sensiblement parallèle au plan de la glace pour rejoindre ladite face essentiellement droite (540) selon une direction sensiblement perpendiculaire.
- Glace selon la revendication 3, caractérisée en ce que ladite face curviligne (541) présent un profil en forme générale d'arc de cercle.
- Dispositif d'éclairage ou de signalisation pour véhicule, caractérisé en ce qu'il comprend une glace selon l'une des revendications précédentes.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9402248 | 1994-02-28 | ||
FR9402248A FR2716708B1 (fr) | 1994-02-28 | 1994-02-28 | Glace pour dispositif d'éclairage ou de signalisation de véhicule et dispositif ainsi équipé. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0669494A1 EP0669494A1 (fr) | 1995-08-30 |
EP0669494B1 true EP0669494B1 (fr) | 1999-04-07 |
Family
ID=9460481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95400403A Expired - Lifetime EP0669494B1 (fr) | 1994-02-28 | 1995-02-27 | Glace pour dispositif d'éclairage ou de signalisation de véhicule et dispositif ainsi équipé |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0669494B1 (fr) |
DE (1) | DE69508828T2 (fr) |
ES (1) | ES2130546T3 (fr) |
FR (1) | FR2716708B1 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1584782A (en) * | 1977-02-18 | 1981-02-18 | Britax Vega Ltd | Electric lamps |
JPH031919A (ja) * | 1989-05-30 | 1991-01-08 | Ichikoh Ind Ltd | 車両用灯具のレンズ成形方法 |
JPH03165402A (ja) * | 1989-11-22 | 1991-07-17 | Ichikoh Ind Ltd | 車両用灯具のレンズ成形方法 |
-
1994
- 1994-02-28 FR FR9402248A patent/FR2716708B1/fr not_active Expired - Lifetime
-
1995
- 1995-02-27 DE DE69508828T patent/DE69508828T2/de not_active Expired - Lifetime
- 1995-02-27 ES ES95400403T patent/ES2130546T3/es not_active Expired - Lifetime
- 1995-02-27 EP EP95400403A patent/EP0669494B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0669494A1 (fr) | 1995-08-30 |
ES2130546T3 (es) | 1999-07-01 |
FR2716708A1 (fr) | 1995-09-01 |
DE69508828T2 (de) | 1999-08-19 |
FR2716708B1 (fr) | 1996-05-10 |
DE69508828D1 (de) | 1999-05-12 |
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