EP0669495B1 - Lichtscheibe für Beleuchtungssystem oder Signalleuchtungssystem eines Fahrzeuges und damit ausgestattete Anlage - Google Patents

Lichtscheibe für Beleuchtungssystem oder Signalleuchtungssystem eines Fahrzeuges und damit ausgestattete Anlage Download PDF

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Publication number
EP0669495B1
EP0669495B1 EP95400405A EP95400405A EP0669495B1 EP 0669495 B1 EP0669495 B1 EP 0669495B1 EP 95400405 A EP95400405 A EP 95400405A EP 95400405 A EP95400405 A EP 95400405A EP 0669495 B1 EP0669495 B1 EP 0669495B1
Authority
EP
European Patent Office
Prior art keywords
lens member
face
sub
attachment means
plane
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
Application number
EP95400405A
Other languages
English (en)
French (fr)
Other versions
EP0669495A1 (de
Inventor
Philippe Caron
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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 Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP0669495A1 publication Critical patent/EP0669495A1/de
Application granted granted Critical
Publication of EP0669495B1 publication Critical patent/EP0669495B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 device vehicle lighting or signaling.
  • One technique for making this type of ice cream is to use an injection molding machine to mold simultaneously pieces of different colors.
  • Another technique is to mold at first a sub-assembly of the ice, and then placing this in the mold of the second subset.
  • FIG. 1 shows a window 1 of this type, which includes two parts or sub-assemblies 2 and 3 molded one on the other.
  • Figure 2 is a vertical sectional view of the region where these two sub-assemblies are provided with hooking means.
  • the references 20 and 30 respectively designate their external faces (intended to be facing outward) while references 22 and 32 designate their internal faces.
  • the two parts of glass comprise, at the level of a peripheral shoulder 23, respectively 33, a post 24 and a complementary mortise 34, the post having a dovetail shape.
  • the dovetail shape generates complex, difficult and expensive areas to scan then to machine in the mold for manufacturing the part corresponding.
  • Figure 3 are shown partially in section, the two parts of molds 4 and 4 'necessary for the manufacture of the periphery of the subassembly 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 PI zone called "accostae of the joint plane” is difficult to obtain without generating visible appearance defects on the glass finally obtained.
  • tail hooking means are difficult to machine in corner areas ice.
  • Document FR-A-2 083 293 describes a glass, which corresponds to the preamble of claim 1, in which the above difficulties are still present, if not increased.
  • the present invention aims to overcome the disadvantages of the state of the art.
  • an objective of the invention is to provide ice formed by overmolded sub-assemblies, the mutual attachment means are of a more simple as the dovetail and thereby facilitate the design and manufacture of the corresponding mold.
  • the invention also relates to a lighting or lighting device. signaling of a vehicle fitted with a window conforming to one or other of the characteristics described above.
  • the two subsets 5 and 6 forming the glass of the invention include hooking means mutuals 54 and 64.
  • the faces 50 and 60 have been designated by the references respective external, i.e. those intended to be turned towards outside when the glass is in place on a lighting or signage.
  • References 52 and 62 correspond to their internal faces.
  • the above-mentioned attachment means extend over the respective edges or edges 51 and 61 of the sub-assemblies, substantially in the plane of the ice.
  • the male part 54 comprises, seen according to the section of FIG. 4, a face 540 substantially straight and parallel to the plane of the glass.
  • It also has a curved face 541 which starts from the edge 51 in a direction substantially parallel to the plane of the ice to join the face 540 substantially perpendicular thereto.
  • the face 541 has a shape complementary to that of Part 64.
  • the face 540 could be arranged on the side of the external face of the ice sub-assemblies 5 and 6 of so that the male part 54 would be reversed with respect to the realization of Figure 4.
  • Figure 5 shows, partially and in section, such a mold, 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 we no longer encounter the problem linked to the area P1 of docking of the joint plane, since it is no longer necessary to coincide so very precise both parts of the mold.
  • Simplification of the geometry of the attachment means reduces design time, especially the time required to digitize the part and simplify 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 crystal conforming to the invention, comprising three sub-assemblies 5, 6, 7.
  • the sub-assembly 7 is for example molded first.
  • Sub-assembly 6 constitutes the first overmolding, while the sub-assembly 5 constitutes the second.
  • the colors of these subsets 5, 6 and 7 are, for example, respectively crystal, amber and red, corresponding to the lights reversing, flashing and brake lights.
  • the sub-assemblies are devoid of attachment means in certain angles.
  • the sealing of the glass is guaranteed by the contact surface sub-assemblies, the total thickness of the ice not being changed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (6)

  1. Lichtscheibe für eine Beleuchtungs- oder Signalvorrichtung eine Fahrzeugs, die aus mindestens zwei Untergruppen (5, 6, 7) besteht, die aufeinander aufgeformt sind und an ihren angrenzenden Rändern (51, 61) Ineinanderfügemittel umfassen, die sich in etwa entlang der Ebene der Lichtscheibe erstrecken, dadurch gekennzeichnet, daß die Ineinanderfügemittel einen vorstehenden Teil (54) umfassen, der im Querschnitt eine im wesentlichen gerade und zur Ebene der Lichtscheibe parallele Fläche (540) und eine krummlinige Fläche (541) aufweist, die sich von dem besagten Rand (51) aus entlang einer zur Ebene der Lichtscheibe in etwa parallelen Richtung erstreckt, um sich an die besagte Fläche entlang einer in etwa senkrechten Richtung anzuschließen, und einen formschlüssigen vertieften Teil (64).
  2. Lichtscheibe nach Anspruch 1, dadurch gekennzeichnet, daß sich die besagte Fläche (540) auf der Außenseite der besagten Lichtscheibe erstreckt.
  3. Lichtscheibe nach Anspruch 1, dadurch gekennzeichnet, daß sich die besagte Fläche (540) auf der Innenseite der besagten Lichtscheibe erstreckt.
  4. Lichtscheibe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die besagte krummlinige Fläche (541) in etwa einen Kreisbogen bildet.
  5. Lichtscheibe nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß mindestens ein Eckteil der besagten Untergruppen (5, 6, 7) ohne Ineinanderfügemittel ausgeführt ist.
  6. Beleuchtungs- oder Signalvorrichtung für ein Fahrzeug, die mit einer Lichtscheibe nach einem der Ansprüche 1 bis 5 ausgestattet ist.
EP95400405A 1994-02-28 1995-02-27 Lichtscheibe für Beleuchtungssystem oder Signalleuchtungssystem eines Fahrzeuges und damit ausgestattete Anlage Expired - Lifetime EP0669495B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9402250 1994-02-28
FR9402250A FR2716709B1 (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
EP0669495A1 EP0669495A1 (de) 1995-08-30
EP0669495B1 true EP0669495B1 (de) 1999-04-07

Family

ID=9460483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95400405A Expired - Lifetime EP0669495B1 (de) 1994-02-28 1995-02-27 Lichtscheibe für Beleuchtungssystem oder Signalleuchtungssystem eines Fahrzeuges und damit ausgestattete Anlage

Country Status (4)

Country Link
EP (1) EP0669495B1 (de)
DE (1) DE69508829T2 (de)
ES (1) ES2130547T3 (de)
FR (1) FR2716709B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3145964A1 (fr) * 2023-02-17 2024-08-23 Psa Automobiles Sa Glace extérieure de couverture pour bloc optique de véhicule automobile

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2024082A1 (de) * 1970-05-16 1971-12-02 Swf Abdeckglas fur Kraftfahrzeug leuchten
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3145964A1 (fr) * 2023-02-17 2024-08-23 Psa Automobiles Sa Glace extérieure de couverture pour bloc optique de véhicule automobile

Also Published As

Publication number Publication date
FR2716709A1 (fr) 1995-09-01
EP0669495A1 (de) 1995-08-30
ES2130547T3 (es) 1999-07-01
FR2716709B1 (fr) 1996-05-10
DE69508829D1 (de) 1999-05-12
DE69508829T2 (de) 1999-08-19

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