WO2011114069A1 - Base, reflector and method for moulding such a base - Google Patents

Base, reflector and method for moulding such a base Download PDF

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Publication number
WO2011114069A1
WO2011114069A1 PCT/FR2011/050550 FR2011050550W WO2011114069A1 WO 2011114069 A1 WO2011114069 A1 WO 2011114069A1 FR 2011050550 W FR2011050550 W FR 2011050550W WO 2011114069 A1 WO2011114069 A1 WO 2011114069A1
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WO
WIPO (PCT)
Prior art keywords
base
hook
additional piece
zone
light
Prior art date
Application number
PCT/FR2011/050550
Other languages
French (fr)
Inventor
Olivier Midy
Original Assignee
Tbi
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 Tbi filed Critical Tbi
Publication of WO2011114069A1 publication Critical patent/WO2011114069A1/en

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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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • F21S43/195—Details of lamp holders, terminals or connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors

Definitions

  • the present invention relates to the field of reflectors for electric lamps. Such reflectors are used in particular for automotive lighting. They are then intended to receive halogen bulbs, for example of the H4 or H7 type.
  • the present invention aims to overcome these disadvantages by providing a robust piece of low cost manufacturing.
  • the invention relates in its most general sense to a molded base comprising at least one undercut having an axial retention zone, characterized in that said undercut is formed by an additional piece, having a hook hooking on the peripheral edge of a window of said base by a radial engagement, said additional piece having a shoulder constituting said retaining zone.
  • said additional piece further has a complementary attachment means for locking it on a complementary zone of the base, after engagement of said hook hook on said peripheral edge.
  • said complementary attachment means is constituted by a light formed at the opposite end of said hooking hook, the base having an axial lug intended to cooperate with said light when the additional piece is in place.
  • said additional piece has at least one hook whose opening corresponds to the thickness of the edge of the light of the base, said hook being extended by a radial zone bearing on the upper face. the edge of the light, said radial zone being extended by a curved portion forming said shoulder, the shoulder extending by a connecting zone extending in a plane inclined by approximately 35 °, and having a lumen cooperating with said lug provided on the base.
  • said additional piece is metallic.
  • the invention also relates to a lamp reflector having a light for the passage of a lamp electrical device through a base intended to cooperate with a socket, characterized in that said base is formed by a molded part comprising at least one undercut having an axial retention zone, characterized in that said undercut is formed by a additional piece, having a latching hook on the peripheral edge of a window of said base by a radial engagement, said additional piece having a shoulder constituting said retaining zone.
  • said additional piece has at least one hook whose opening corresponds to the thickness of the edge of the light of the base, said hook being extended by a radial zone bearing on the upper face of the edge of the light, said radial zone being extended by a curved portion forming said shoulder intended to hook the sleeve, the shoulder extending by a connecting zone extending in an inclined plane of about 35 °, and having a light cooperating with said lug provided on the base.
  • the invention also relates to a method of molding a lamp reflector comprising a mold movable in translation only, through the main light of the reflector.
  • FIG. 1 shows a view of a base before the positioning of the additional piece
  • FIG. 2 represents a view of said base after the positioning of the additional piece
  • FIG. 3 shows a front view of a reflector according to the invention.
  • the base (1) has a light (2) whose shape corresponds to the section of the lamp (11).
  • a light (2) whose shape corresponds to the section of the lamp (11).
  • a car headlight reflector it is for example a type of lamp H4 or H7.
  • the shape of the light (2) is circular, with centering zones (3, 4, 5) complementary to the centering zones of the lamp.
  • the rear edge of the base (1) has three support zones (6, 7) complementary to the centering zones (3, 4, 5) of the lamp (11).
  • the base has a hook (8) forming a retaining zone (9) of a sleeve.
  • This holding zone (9) is demolded through the base (1) by a lobe (10) opening on the light (2).
  • the base also has, in known manner, pre-centering and foolproofing zones (12, 13).
  • the base comprises a second retaining zone, symmetrical with respect to the hook (8).
  • This second retention zone is formed on an additional piece (14).
  • This additional piece (14) is made by folding and stamping a metal sheet, for example stainless steel, a thickness of 0.4 millimeters. It can also be made by molding an elastic plastic material.
  • This additional piece (14) has a hook (15) split by a light (16).
  • the hook has an opening for attachment to the edge of the light (1).
  • the slot (16) is provided to let through the protrusion (5) of centering of the lamp, and the bearing face (7).
  • the front branch (17) of the hook (15) extends parallel to the face of the base.
  • the additional piece has a segment extending in a plane parallel to the axis of the lamp, to the shoulder (18) constituting a retaining zone of the sleeve.
  • a stamping (19) provided in the middle of the shoulder (18) allows to receive a complementary shape provided on a lug of the sleeve.
  • the additional piece (14) is extended behind the shoulder (18) by a flank (20).
  • This flank (20) is inclined and forms an angle of about 35 ° with respect to the support plane of the lamp. It has a light (21) shaped rounded triangle. This light (21) allows the passage of a lug (22) extending axially towards the rear of the base.
  • the additional piece is put in place as follows:
  • the hook (15) is engaged on the edge of the slot (2) by a radial displacement of the additional piece (14).
  • the hook engages on the edge of the light (2), overlapping the protuberance (5) and the bearing face (7). It thus prevents the axial displacement of the additional piece (14).
  • the additional piece (14) is elastically deformed so as to pass the lug (22) into the slot (21) by elastic deformation of the additional piece. For this, one can exert a radial pressure on the median zone of the additional piece (14).
  • the part thus engages on the base, and form an additional retaining area, requiring no lobe passing a mold, except for a minimal lobe corresponding to the thickness of the additional piece.
  • the lamp When the lampholder is inserted into the lumen (2), the lamp fills the lumen (2) and prevents radial removal of the claw (15). This ensures a strong and effective connection of this additional piece.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The present invention relates to a moulded base (1) which includes at least one undercut having an axial retention area, characterised in that said undercut is made up of an additional part (14), which has a hook (15) for hanging on the peripheral edge of a window of said base (1) by radial insertion, said additional part (14) having a shoulder (18) forming said retention area. The invention also relates to a reflector having such a base and to a method for moulding such a base.

Description

EMBASE, REFLECTEUR ET PROCEDE DE MOULAGE D'UNE TELLE  EMBASE, REFLECTOR AND METHOD FOR MOLDING SUCH
EMBASE  EMBASE
Domaine de l'invention Field of the invention
La présente invention concerne le domaine des réflecteurs pour lampes électriques. De telles réflecteurs sont notamment utilisées pour l'éclairage automobile. Ils sont destinées alors à recevoir des ampoules halogènes, par exemple de type H4 ou H7. The present invention relates to the field of reflectors for electric lamps. Such reflectors are used in particular for automotive lighting. They are then intended to receive halogen bulbs, for example of the H4 or H7 type.
Etat de la technique State of the art
Dans l'état de la technique, on connaît une première solution consistant à prévoir des lumières dont la section est définie pour permettre le passage d'une partie de moule réalisant l'épaulement d'une zone d'accrochage d'une embase prévue dans le prolongement du réflecteur. Cette solution nécessite d'élargir la lumière servant au passage de la lampe, avec un ou plusieurs lobes dont la seule utilité est le passage du moule. Ces lobes sont disgracieux car ils sont visibles de l'extérieur, notamment lorsque le réflecteur concerne un phare de véhicule automobile. In the state of the art, we know a first solution consisting in providing lights whose section is defined to allow the passage of a portion of mold forming the shoulder of a fastening zone of a base provided in the extension of the reflector. This solution requires widening the light used for the passage of the lamp, with one or more lobes whose only utility is the passage of the mold. These lobes are unsightly because they are visible from the outside, especially when the reflector relates to a motor vehicle headlight.
Une autre solution connue consiste à utiliser un moule à tiroir. De tels moules sont onéreux, d'usage limité et mal adapté au moulage de matières plastiques thermodurcissables .  Another known solution is to use a drawer mold. Such molds are expensive, of limited use and poorly suited to the molding of thermosetting plastics.
On a également proposé de rapporter des ergots vissés sur l'embase. Cette solution implique un assemblage coûteux. De plus, le vissage dans une pièce moulée thermoplastique ne permet pas d'assurer la robustesse ni la pérennité de l'assemblage.  It has also been proposed to report bolts screwed on the base. This solution involves an expensive assembly. In addition, the screwing into a thermoplastic molded part does not ensure the robustness and durability of the assembly.
On a également proposé des ergots engagés de force dans la matière plastique. La fiabilité de cet assemblage est médiocre .  It has also been proposed lugs forcibly engaged in the plastic material. The reliability of this assembly is poor.
Solution apportée par l'invention La présente invention vise à remédier à ces inconvénients en proposant une pièce robuste, d'un faible coût de fabrication. Solution provided by the invention The present invention aims to overcome these disadvantages by providing a robust piece of low cost manufacturing.
A cet effet, l'invention concerne selon son acception la plus générale une embase moulée comprenant au moins une contre-dépouille présentant une zone de retenue axiale, caractérisée en ce que ladite contre-dépouille est formée par une pièce additionnelle, présentant un crochet d'accrochage sur la bordure périphérique d'une fenêtre de ladite embase par un engagement radial, ladite pièce additionnelle présentant un épaulement constituant ladite zone de retenue. To this end, the invention relates in its most general sense to a molded base comprising at least one undercut having an axial retention zone, characterized in that said undercut is formed by an additional piece, having a hook hooking on the peripheral edge of a window of said base by a radial engagement, said additional piece having a shoulder constituting said retaining zone.
Avantageusement, ladite pièce additionnelle présente en outre un moyen d'accrochage complémentaire pour assurer son verrouillage sur une zone complémentaire de l'embase, après engagement de ledit crochet d'accrochage sur ladite bordure périphérique.  Advantageously, said additional piece further has a complementary attachment means for locking it on a complementary zone of the base, after engagement of said hook hook on said peripheral edge.
Selon une variante, ledit moyen d'accrochage complémentaire est constitué par une lumière formée à l'extrémité opposée de ledit crochet d'accrochage, l'embase présentant un ergot axial destiné à coopérer avec ladite lumière lorsque la pièce additionnelle est en place.  According to a variant, said complementary attachment means is constituted by a light formed at the opposite end of said hooking hook, the base having an axial lug intended to cooperate with said light when the additional piece is in place.
Selon un mode de réalisation préféré, ladite pièce additionnelle présente au moins un crochet dont l'ouverture correspond à l'épaisseur de la bordure de la lumière de l'embase, ledit crochet étant prolongée par une zone radiale venant en appui sur la face supérieure de la bordure de la lumière, ladite zone radiale étant prolongée par une partie recourbée formant ledit épaulement, l 'épaulement se prolongeant par une zone de liaison s'étendant dans un plan incliné d'environ 35°, et présentant une lumière coopérant avec ledit ergot prévu sur l'embase. According to a preferred embodiment, said additional piece has at least one hook whose opening corresponds to the thickness of the edge of the light of the base, said hook being extended by a radial zone bearing on the upper face. the edge of the light, said radial zone being extended by a curved portion forming said shoulder, the shoulder extending by a connecting zone extending in a plane inclined by approximately 35 °, and having a lumen cooperating with said lug provided on the base.
Avantageusement, ladite pièce additionnelle est métallique .  Advantageously, said additional piece is metallic.
L'invention concerne également un réflecteur de lampe présentant une lumière pour le passage d'une lampe électrique à travers une embase destinée à coopérer avec une douille, caractérisée en ce que ladite embase est formée par une partie moulée comprenant au moins une contre-dépouille présentant une zone de retenue axiale, caractérisée en ce que ladite contre-dépouille est formée par une pièce additionnelle, présentant un crochet d'accrochage sur la bordure périphérique d'une fenêtre de ladite embase par un engagement radial, ladite pièce additionnelle présentant un épaulement constituant ladite zone de retenue. The invention also relates to a lamp reflector having a light for the passage of a lamp electrical device through a base intended to cooperate with a socket, characterized in that said base is formed by a molded part comprising at least one undercut having an axial retention zone, characterized in that said undercut is formed by a additional piece, having a latching hook on the peripheral edge of a window of said base by a radial engagement, said additional piece having a shoulder constituting said retaining zone.
De préférence, ladite pièce additionnelle présente au moins un crochet dont l'ouverture correspond à l'épaisseur de la bordure de la lumière de l'embase, ledit crochet étant prolongée par une zone radiale venant en appui sur la face supérieure de la bordure de la lumière, ladite zone radiale étant prolongée par une partie recourbée formant ledit épaulement destinée à l'accrochage de la douille, l 'épaulement se prolongeant par une zone de liaison s 'étendant dans un plan incliné d'environ 35°, et présentant une lumière coopérant avec ledit ergot prévu sur l'embase.  Preferably, said additional piece has at least one hook whose opening corresponds to the thickness of the edge of the light of the base, said hook being extended by a radial zone bearing on the upper face of the edge of the light, said radial zone being extended by a curved portion forming said shoulder intended to hook the sleeve, the shoulder extending by a connecting zone extending in an inclined plane of about 35 °, and having a light cooperating with said lug provided on the base.
L'invention concerne également un procédé de moulage d'un réflecteur de lampe comprenant un moule mobile en translation seulement, à travers la lumière principale du réflecteur.  The invention also relates to a method of molding a lamp reflector comprising a mold movable in translation only, through the main light of the reflector.
Description détaillée d'un exemple de réalisation Detailed description of an example embodiment
La présente invention sera décrite plus en détail dans ce qui suit, selon un exemple de réalisation non limitatif, se référant aux dessins annexés où : The present invention will be described in more detail in the following, according to a nonlimiting exemplary embodiment, with reference to the appended drawings in which:
- la figure 1 représente une vue d'une embase avant le positionnement de la pièce additionnelle  - Figure 1 shows a view of a base before the positioning of the additional piece
la figure 2 représente une vue de ladite embase après le positionnement de la pièce additionnelle  FIG. 2 represents a view of said base after the positioning of the additional piece
- la figure 3 représente une vue de devant d'un réflecteur selon l'invention.  - Figure 3 shows a front view of a reflector according to the invention.
L'embase (1) présente une lumière (2) dont la forme correspond à la section de la lampe (11) . Dans le cas d'une réflecteur de phare de voiture, il s'agit par exemple d'une lampe de type H4 ou H7. La forme de la lumière (2) est circulaire, avec des zones de centrage (3, 4, 5) complémentaires des zones de centrage de la lampe. The base (1) has a light (2) whose shape corresponds to the section of the lamp (11). In the case of a car headlight reflector, it is for example a type of lamp H4 or H7. The shape of the light (2) is circular, with centering zones (3, 4, 5) complementary to the centering zones of the lamp.
La bordure arrière de l'embase (1) présente trois zones d'appui (6, 7) complémentaires des zones de centrage (3, 4, 5) de la lampe (11) .  The rear edge of the base (1) has three support zones (6, 7) complementary to the centering zones (3, 4, 5) of the lamp (11).
L'embase présente un crochet (8) formant une zone de retenue (9) d'une douille.  The base has a hook (8) forming a retaining zone (9) of a sleeve.
Cette zone de retenue (9) est démoulée à travers l'embase (1) par un lobe (10) débouchant sur la lumière (2) .  This holding zone (9) is demolded through the base (1) by a lobe (10) opening on the light (2).
L'embase présente par ailleurs de manière connue des zones précentrage et de détrompage (12, 13) .  The base also has, in known manner, pre-centering and foolproofing zones (12, 13).
L'embase comprend une deuxième zone de retenue, symétrique par rapport au crochet (8) . Cette deuxième zone de retenue est formée sur une pièce additionnelle (14) . Cette pièce additionnelle (14) est réalisé par pliage et emboutissage d'une feuille métallique, par exemple en acier inoxydable, d'une épaisseur de 0,4 millimètres. Elle peut également être réalisée par moulage d'une matière plastique élastique.  The base comprises a second retaining zone, symmetrical with respect to the hook (8). This second retention zone is formed on an additional piece (14). This additional piece (14) is made by folding and stamping a metal sheet, for example stainless steel, a thickness of 0.4 millimeters. It can also be made by molding an elastic plastic material.
Cette pièce additionnelle (14) présente un crochet (15) fendu par une lumière (16) . Le crochet présente une ouverture permettant l'accrochage sur la tranche de la lumière (1) . La fente (16) est prévue pour laisser passer la protubérance (5) de centrage de la lampe, et la face d'appui (7) . La branche avant (17) du crochet (15) s'étend parallèlement à la face de l'embase. This additional piece (14) has a hook (15) split by a light (16). The hook has an opening for attachment to the edge of the light (1). The slot (16) is provided to let through the protrusion (5) of centering of the lamp, and the bearing face (7). The front branch (17) of the hook (15) extends parallel to the face of the base.
En arrière de la griffe fendue (15), la pièce additionnelle présente un segment s 'étendant dans un plan parallèle à l'axe de la lampe, jusqu'à l'épaulement (18) constituant une zone de retenue de la douille. Un embouti (19) prévue au milieu de l'épaulement (18) permet de recevoir une forme complémentaire prévue sur un ergot de la douille.  Behind the split claw (15), the additional piece has a segment extending in a plane parallel to the axis of the lamp, to the shoulder (18) constituting a retaining zone of the sleeve. A stamping (19) provided in the middle of the shoulder (18) allows to receive a complementary shape provided on a lug of the sleeve.
La pièce additionnelle (14) est prolongée en arrière de l'épaulement (18) par un flanc (20) . Ce flanc (20) est incliné et forme un angle d'environ 35° par rapport au plan d'appui de la lampe. Il présente une lumière (21) en forme de triangle arrondi. Cette lumière (21) permet le passage d'un ergot (22) s 'étendant axialement, vers l'arrière de l'embase. The additional piece (14) is extended behind the shoulder (18) by a flank (20). This flank (20) is inclined and forms an angle of about 35 ° with respect to the support plane of the lamp. It has a light (21) shaped rounded triangle. This light (21) allows the passage of a lug (22) extending axially towards the rear of the base.
La pièce additionnelle est mise en place de la manière suivante :  The additional piece is put in place as follows:
On engage le crochet (15) sur le bord de la lumière (2) par un déplacement radial de la pièce additionnelle (14) . Le crochet vient s'enclencher sur le bord de la lumière (2), en chevauchant la protubérance (5) et la face d'appui (7) . Elle empêche ainsi le déplacement axial de la pièce additionnelle (14) .  The hook (15) is engaged on the edge of the slot (2) by a radial displacement of the additional piece (14). The hook engages on the edge of the light (2), overlapping the protuberance (5) and the bearing face (7). It thus prevents the axial displacement of the additional piece (14).
On déforme élastiquement la pièce additionnelle (14) pour faire passer l'ergot (22) dans la lumière (21), par déformation élastique de la pièce additionnelle. Pour cela, on peut exercer une pression radiale sur la zone médiane de la pièce additionnelle (14) .  The additional piece (14) is elastically deformed so as to pass the lug (22) into the slot (21) by elastic deformation of the additional piece. For this, one can exert a radial pressure on the median zone of the additional piece (14).
La pièce vient ainsi s'enclencher sur l'embase, et former une zone de retenue supplémentaire, ne nécessitant pas de lobe de passage d'un moule, hormis un lobe minime correspondant à l'épaisseur de la pièce additionnelle .  The part thus engages on the base, and form an additional retaining area, requiring no lobe passing a mold, except for a minimal lobe corresponding to the thickness of the additional piece.
Lorsque la douille de la lampe est introduite dans la lumière (2), la lampe remplie la lumière (2) et empêche le retrait radial de la griffe (15) . On assure ainsi une liaison robuste et efficace de cette pièce additionnelle .  When the lampholder is inserted into the lumen (2), the lamp fills the lumen (2) and prevents radial removal of the claw (15). This ensures a strong and effective connection of this additional piece.

Claims

Revendications claims
1 - Embase (2) moulée comprenant au moins une contre- dépouille présentant une zone de retenue axiale, caractérisée en ce que ladite contre-dépouille est formée par une pièce additionnelle (14), présentant un crochet (15) d'accrochage sur la bordure périphérique d'une fenêtre (2) de ladite embase (2) par un engagement radial, ladite pièce additionnelle (14) présentant un épaulement (18) constituant ladite zone de retenue. 1 - Base (2) molded comprising at least one undercut having an axial retention zone, characterized in that said undercut is formed by an additional piece (14) having a hook (15) hooking on the peripheral edge of a window (2) of said base (2) by a radial engagement, said additional piece (14) having a shoulder (18) constituting said retaining zone.
2 - Embase (2) moulée selon la revendication 1 caractérisé en ce que ladite pièce additionnelle (14) présente en outre un moyen d'accrochage complémentaire pour assurer son verrouillage sur une zone complémentaire de l'embase (2), après engagement de ledit crochet (15) d'accrochage sur ladite bordure périphérique . 2 - base (2) molded according to claim 1 characterized in that said additional piece (14) further has a complementary hooking means to ensure its locking on a complementary area of the base (2), after engagement of said hook (15) hooking on said peripheral edge.
3 - Embase (2) moulée selon la revendication 2 caractérisé en ce que ledit moyen d'accrochage complémentaire est constitué par une lumière (21) formée à l'extrémité opposée de ledit crochet (15) d'accrochage, l'embase (2) présentant un ergot axial destiné à coopérer avec ladite lumière lorsque la pièce additionnelle (14) est en place. 3 - base (2) molded according to claim 2 characterized in that said complementary coupling means is constituted by a slot (21) formed at the opposite end of said hook (15) hooking, the base (2 ) having an axial lug for cooperating with said light when the additional piece (14) is in place.
4 - Embase (2) moulée selon l'une au moins des revendications précédentes caractérisée en ce que ladite pièce additionnelle (14) présente au moins un crochet (15) dont l'ouverture correspond à l'épaisseur de la bordure de la lumière de l'embase (2), ledit crochet (15) étant prolongée par une zone radiale venant en appui sur la face supérieure de la bordure de la lumière, ladite zone radiale étant prolongée par une partie recourbée formant ledit épaulement (18), 1 'épaulement (18) se prolongeant par une zone de liaison s'étendant dans un plan incliné d'environ 35°, et présentant une lumière coopérant avec ledit ergot prévu sur 1 ' embase ( 2 ) . 4 - base (2) molded according to at least one of the preceding claims characterized in that said additional piece (14) has at least one hook (15) whose opening corresponds to the thickness of the edge of the light of the base (2), said hook (15) being extended by a radial zone bearing on the upper face of the edge of the light, said radial zone being extended by a curved portion forming said shoulder (18), 1 ' shoulder (18) extending through a connecting zone extending in an inclined plane of about 35 °, and having a lumen cooperating with said lug provided on one base (2).
5 - Embase (2) selon l'une au moins des revendications précédentes caractérisé en ce que ladite pièce additionnelle (14) est métallique. 5 - base (2) according to at least one of the preceding claims characterized in that said additional piece (14) is metallic.
6 - Réflecteur de lampe présentant une lumière pour le passage d'une lampe électrique à travers une embase (2) destinée à coopérer avec une douille, caractérisée en ce que ladite embase (2) est formée par une partie moulée comprenant au moins une contre-dépouille présentant une zone de retenue axiale, caractérisée en ce que ladite contre-dépouille est formée par une pièce additionnelle (14), présentant un crochet (15) d'accrochage sur la bordure périphérique d'une fenêtre de ladite embase (2) par un engagement radial, ladite pièce additionnelle (14) présentant un épaulement (18) constituant ladite zone de retenue. 6 - lamp reflector having a light for the passage of an electric lamp through a base (2) intended to cooperate with a socket, characterized in that said base (2) is formed by a molded part comprising at least one against -producer having an axial retention zone, characterized in that said undercut is formed by an additional piece (14), having a hook (15) hooking on the peripheral edge of a window of said base (2) by a radial engagement, said additional piece (14) having a shoulder (18) constituting said retaining zone.
7 - Réflecteur de lampe selon la revendication 6 caractérisé en ce que ladite pièce additionnelle (14) présente au moins un crochet (15) dont l'ouverture correspond à l'épaisseur de la bordure de la lumière de l'embase (2), ledit crochet (15) étant prolongée par une zone radiale venant en appui sur la face supérieure de la bordure de la lumière, ladite zone radiale étant prolongée par une partie recourbée formant ledit épaulement (18) destinée à l'accrochage de la douille, 1 'épaulement (18) se prolongeant par une zone de liaison s'étendant dans un plan incliné d'environ 35°, et présentant une lumière coopérant avec ledit ergot prévu sur 1 ' embase ( 2 ) . 8 - Procédé de moulage d'un réflecteur de lampe conforme à la revendication 6 ou 7 caractérisé en ce qu'il comprend un moule mobile en translation seulement, à travers la lumière principale du réflecteur. 7 - Reflector lamp according to claim 6 characterized in that said additional piece (14) has at least one hook (15) whose opening corresponds to the thickness of the edge of the light of the base (2), said hook (15) being extended by a radial zone bearing on the upper face of the edge of the lumen, said radial zone being extended by a curved portion forming said shoulder (18) intended for fastening the sleeve, shoulder (18) extending through a connecting zone extending in an inclined plane of about 35 °, and having a lumen cooperating with said lug provided on one base (2). 8 - A method of molding a lamp reflector according to claim 6 or 7 characterized in that it comprises a mold movable in translation only, through the main light of the reflector.
PCT/FR2011/050550 2010-03-17 2011-03-17 Base, reflector and method for moulding such a base WO2011114069A1 (en)

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FR1051883A FR2957655B1 (en) 2010-03-17 2010-03-17 EMBASE, REFLECTOR AND METHOD FOR MOLDING SUCH A BASE
FR1051883 2010-03-17

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3531072A1 (en) * 1985-08-30 1987-03-05 Hella Kg Hueck & Co Multi-chamber light for vehicles
EP0390316A1 (en) * 1989-03-01 1990-10-03 Carello Lighting Plc Lamp reflector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3531072A1 (en) * 1985-08-30 1987-03-05 Hella Kg Hueck & Co Multi-chamber light for vehicles
EP0390316A1 (en) * 1989-03-01 1990-10-03 Carello Lighting Plc Lamp reflector

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FR2957655B1 (en) 2015-08-14
FR2957655A1 (en) 2011-09-23

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