WO2008141629A1 - Culot de lampe pour une lampe électrique - Google Patents

Culot de lampe pour une lampe électrique Download PDF

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Publication number
WO2008141629A1
WO2008141629A1 PCT/DE2008/000856 DE2008000856W WO2008141629A1 WO 2008141629 A1 WO2008141629 A1 WO 2008141629A1 DE 2008000856 W DE2008000856 W DE 2008000856W WO 2008141629 A1 WO2008141629 A1 WO 2008141629A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
coating
lamp
contact element
lug
Prior art date
Application number
PCT/DE2008/000856
Other languages
German (de)
English (en)
Other versions
WO2008141629A4 (fr
Inventor
Peter Helbig
Alexander Vogel
Andreas Koch
Karl-Heinz Quadfasel
Gottfried W. Ehrenstein
Simon Amesoder
Mike Szameitat
Matthias Scholz
Original Assignee
Osram Gmbh
Schempp+Decker Präzisionsteile Und Oberflächentechnik Gmbh
Hubert Stüken GmbH & Co. KG
Universität Erlangen-Nürnberg, Vertreten Durch Die Kontaktstelle Für Wissens-Und Technologiestransfer
Universität Erlangen-Nürnberg, Vertreten Durch Den Lehrstuhl Für Kunststofftechnik
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
Priority claimed from DE200710023637 external-priority patent/DE102007023637B8/de
Application filed by Osram Gmbh, Schempp+Decker Präzisionsteile Und Oberflächentechnik Gmbh, Hubert Stüken GmbH & Co. KG, Universität Erlangen-Nürnberg, Vertreten Durch Die Kontaktstelle Für Wissens-Und Technologiestransfer, Universität Erlangen-Nürnberg, Vertreten Durch Den Lehrstuhl Für Kunststofftechnik filed Critical Osram Gmbh
Priority to EP08758097A priority Critical patent/EP2156518A1/fr
Publication of WO2008141629A1 publication Critical patent/WO2008141629A1/fr
Publication of WO2008141629A4 publication Critical patent/WO2008141629A4/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/521—Sealing between contact members and housing, e.g. sealing insert
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/965—Dustproof, splashproof, drip-proof, waterproof, or flameproof holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the invention is based on a lamp base for an electric lamp, preferably a motor vehicle lamp, which has a plastic base part and at least one contact lug.
  • the invention is also applicable to other electrical feedthroughs, e.g. Wires, cables and conductors and mechanical, mostly metallic reinforcements and reinforcements, usable.
  • the document DE 196 16 409 discloses a motor vehicle headlamp with an enclosed in a glass lamp bulb incandescent and consisting of metal and plastic parts lamp base.
  • the gas-tight sealed end of the lamp envelope is fixed in a metallic holder, which is anchored in the provided with the electrical connections of the lamp plastic base part.
  • the led out of the lamp bulb power supply lines are welded in the interior of the plastic base part with tabs that serve as electrical connections of the lamp.
  • the interior of the plastic base part, in which the power supply lines are welded to the contact lugs, is closed with a lid.
  • To seal against the ingress of humidity silicone parts are provided in the lamp base through which pass the power supply lines.
  • a disadvantage of such a lamp cap consists in the complex production and the high production accuracy. particular with respect to the sealing requirements of such a lamp cap.
  • the publication DE 198 55 412 A1 discloses an electric lamp with lamp base, lamp bulb and illuminant. L-shaped tabs that are welded to the power supply wires on the lamp envelope are injected into the plastic base portion of the lamp cap. A lamp cap with simply overmolded tabs does not meet increased sealing requirements due to the low adhesion of tabs and plastic base material, the thermal and structural (e.g., crystallization) shrinkage encountered during processing, and the widely differing coefficients of expansion of the tab material and plastic material.
  • plastic base parts in the inner area between the contact lug and the plastic can be provided with a cavity, which after filling the contact lugs with liquid silicone is filled and heated. This requires a complex manufacturing process.
  • the object of the present invention is to provide a lamp base for an electric lamp, in which the requirements for a high tightness between a plastic base part and contact lugs is satisfied. Furthermore, a method for producing such a lamp cap is to be provided with low manufacturing effort. This object is solved by the subject-matter of claims 1 and 9.
  • the invention relates to an arrangement for connecting a power consumer to a voltage source, in which a contact element is arranged in an insulating material housing, to which an electrical conductor leading to the voltage source and, on the other hand, the current consumer can be electrically connected, between housing and Contact element is at least partially provided on the contact element a coating for increasing the adhesion or tightness between the contact element and the housing.
  • the invention preferably relates to connector applications in which the electrical conductor is encapsulated and then requirements for the tightness must be met.
  • Variants include: providing a coating but not a sealing strip, providing a sealing strip but not a coating, providing both a sealing strip and a coating.
  • At least one sealing strip is incorporated circumferentially around a leg of the contact lug in the contact lugs.
  • the sealing strip can have embossed cut edges in order to implement optimum mechanical sealing contours.
  • the melting temperature of the coating material is higher than, equal to or lower than that of the case material, so that abrasion or displacement of the sealing material upon introduction of the case material at high speed can be prevented.
  • a lamp base is provided for an electric lamp, preferably a motor vehicle lamp, which has a plastic base part and at least one contact lug for the power supply provided in the plastic base part.
  • a coating for increasing the adhesive strength and / or for increasing the tightness between the contact lug and the plastic base part is provided at least in sections on the contact lug between the plastic base part and the contact lug.
  • a power supply wire of a lamp vessel can be supplied with voltage via the contact lug.
  • both a simple connection between the power supply wire of the lamp vessel and the contact lug as well as between the contact lug and a connector can be implemented via the contact lug.
  • the coating has epoxy resin, with the epoxy resins L20, L1I, LH28 and HT2 being preferable. In this way, bond strengths to stainless steel coatings can be achieved at low production costs. between 1.5 and 3 N / mm 2 .
  • polyamides with / without solvent to which adhesion promoters or dispersants may be added.
  • the coating comprises a polyamide system or a polyamide.
  • a copolymer is used.
  • polyamide can be achieved depending on the material used for the contact lug increased bond strengths, wherein the contact lugs magnesium, steel, aluminum, galvanized steel, stainless steel, copper, bronze, another copper alloy, tinned steel, nickel, brass, wherein Also silver or gold are possible.
  • These tabs can have additional surfaces of tin, copper, nickel, silver, gold, tin / lead and their alloys.
  • the invention is preferably applicable to any electrical conductor (each contact element) independent of the base material and the surface coating. For example, suitable contact elements and coatings depend on the application.
  • the contact lug is substantially L-shaped, and the portion of the contact lug on which the coating is applied is formed adjacent to the region of the contact lug in which the two limbs of the contact lug are connected to one another.
  • a method is also provided for producing a lamp cap with a plastic base part, the method comprising the steps of providing at least one contact lug for the power supply, applying a coating for increasing the adhesion between contact lug and plastic base part and forming the plastic base part on the coated contact lug , As a result, a connection between the plastic base part and contact lugs, which meets high sealing requirements, can be implemented at low production costs.
  • the application of the coating takes place at provided in the stamped grid tabs, so that the manufacturing cost of the lamp cap can be kept low.
  • the separation of the contact lugs from the stamped grid takes place between the application of the coating and the formation of the plastic base, as a result of which the application of the coating, preferably by a coating device, can be implemented directly in a feed device.
  • the plastic base part is formed on the contact lugs by injection molding. This makes it possible to economically realize a dense plastic base.
  • a bonding agent is applied to the contact lug so as to implement an additionally improved adhesion.
  • the formation of the plastic base part is more preferably carried out with an injection pressure, which causes a compression of the coating of the contact lug, so that when an increase in volume of the base material during cooling, a material-tight contact can be implemented.
  • the contact element is a pin, a tab or a pin and the coating is applied to the contact element to increase the adhesive strength or at least partially introduced into a recess of the contact element. In this way, conventional contact elements with increased tightness can be introduced into a housing with little effort.
  • the coating for increasing the adhesive strength is substantially annularly applied to the contact element or at least partially introduced into a depression of the contact element, since such a simple manufacturing process with good sealing effect can be implemented.
  • the sealing effect can be improved if at least the coating for increasing the adhesive strength in the form of at least two annular configurations is formed on the contact element.
  • thermoplastic thermoplastic
  • Plastic can be met.
  • the metal parts can be independent of the material, the surface and the geometry Partially or fully coated with a sealant, such as polyamide or polyamide system, are coated and then encapsulated.
  • the sealing effect is supported and improved when the coating is applied all around, at one or more than one point and, if possible, at offset contours of the metal parts. However, this is not absolutely necessary.
  • the sealing effect is supported and improved if the metal parts are coated with a primer before the sealing material is applied.
  • FIG. 1 is a schematic sectional view of a lamp cap according to the invention with incorporated holder and lamp bulb,
  • FIG. 2 is a sectional view of the lamp cap according to the invention on a contact lug
  • FIG. 5 is a sectional view on the line AA of the contact lug of Fig. 5, 6 shows a perspective top view of exemplary contact elements to be encapsulated,
  • connection arrangement according to the invention when used in electrical contacts.
  • FIG. 1 shows a lamp arrangement 1 according to the invention with a schematically illustrated lamp base 2.
  • the lamp base 2 has a plastic base part 4 with a connection section 6.
  • the connection section 6 is designed like a bush.
  • a contact section 10 of a contact lug 12 projects in the interior 8 of the connection section 6, a contact section 10 of a contact lug 12 projects.
  • the contact lug 12 is formed substantially L-shaped and has a connecting portion 14 which are connectable to power supply wires 16, 18 of the lamp 20.
  • the portion of the contact lug 12, to which the contact portion 10 is connected to the connecting portion 14, is cast in the plastic base part 4.
  • a flange portion 22 is provided on the plastic base part 4, via which the lamp base 2 can be fastened by means of a sealing ring 26 to a reflector 24 shown in dashed lines in FIG.
  • a connection space 28 is provided in the lamp base 2, in which the connecting portion 14 of the contact lug 12 protrudes.
  • an annular support sleeve 30 is further anchored, preferably by ultrasonic welding, in which is an intermediate ring 32 a cupped holding member 34 is supported, in which the pinch 36 of a lamp vessel 38 of the lamp 20 is received.
  • a light-absorbing coating 40 is provided at the end of the lamp vessel 38 opposite the pinch 36.
  • the filament 42 shown in Figure 1 is electrically connected to the power supply wires 16, 18.
  • the lamp 20 is a single-filament halogen incandescent lamp intended for use in a motor vehicle headlight.
  • the lamp base 2 is preferably of the types H8, H9 or HIl, which can be used in particular for high beam and fog lights.
  • the plastic base part 4 is shown without support sleeve 30, intermediate ring 32 and cup-shaped retaining element 34. From the bottom portion 44 of the connecting space 28 in the plastic base part 4 is a ring portion 44 parallel to the connecting portion 14 before. The ring section 44 serves for fastening the carrier sleeve 30 in the interior of the flange section 22.
  • the present invention is preferably applicable to the case where two contact lugs are provided in parallel with each other for contacting the respective power supply wire 16, 18 of the lamp 20.
  • the contact lugs are preferably made of sheet steel and preferably provided by injection molding in the plastic base part 4 of the lamp cap 2.
  • the connecting portion 14 of the contact lug 12 is provided with a groove 46, in each of which an angled end portion of the power supply wires 16, 18 can be introduced.
  • the groove 46 is bounded laterally by two different lengths borrowed webs 48, 50, wherein each of the webs 48, 50 on its groove side facing a slope 48 a, 50 a for easy introduction of the power supply wire 16, 18 in the groove.
  • the welded connection between the respective power supply wire and the contact lug 12 is made by briefly heating the material of the shorter web 50 above its melting point by means of a laser. After the melt has solidified, the power supply wire 16, 18 is connected to the shorter web 50.
  • the angle region 52 of the contact lug 12 by which the contact section 10 and the connecting section 14 are interconnected, at least in sections with a coating which increases the adhesion strength.
  • Thermoplastic plastics preferably polyamides, are preferred as the coating material.
  • the layer thickness is to be selected depending on the method or construction used.
  • the coating can preferably be 0.5 mm, can be applied by injection molding and it can also be profiled geometrically.
  • An injection moldable sealing material is applied to the contact lug by injection molding or by stamping.
  • the pretreatment can be carried out in a vacuum, under normal ambient conditions or under a special gas atmosphere, and enables an activation of the surface in the sense of improved adhesion and / or cleaning of substances which are susceptible to adhesion.
  • the coating is applied, sprayed or stamped.
  • the sealing material can be a spreadable or sprayable material but also an injection-moldable or compressible material. Pressing is understood to mean a type of embossing process in which a present semi-finished product, usually in foil form, is pressed onto the flags under heat.
  • the coating a has predetermined thickness, so that the sealing material is also sufficiently deformable. It is therefore preferred to use a thickness of the coating of 0.1 to 2 mm. The lower value applies more to coated layers, the upper one applies to sprayed or embossed layers.
  • a primer or adhesion promoter additionally for adhesion formation, so that after a possible treatment (plasma, laser), first of all an adhesion promoter, a primer such as silane with a few ⁇ m, is applied, which can also be implemented in electroplating , and then only the actual coating material.
  • the present invention is not limited to merely providing a coating in the angular region 52, but the invention can also be used if any portion of the contact lug 12 embedded in the plastic base part 4 is provided with the coating.
  • contact lugs are provided with the coating by injection molding prior to the provision of the plastic base part 4.
  • the contact lugs are fed in the stamped grid of the injection unit and can be provided with the coating before or after the removal. Subsequently, then the insertion of the contact lugs in the injection molds.
  • FIGS. 4 and 5 show modifications in the coated contact tab 112 according to the present invention, which has a contact portion 110 and a connecting portion 114.
  • a sealing strip 120 in the contact portion 110 At an angle in the range of greater than 0 ° and less than 90 °, preferably 45 °, employed to the longitudinal axis LI of the contact portion 110 extends a sealing strip 120 in the contact portion 110. At an angle in the range of greater than 0 ° and less than 90 ° , preferably 45 °, made to the longitudinal axis L2 of the connecting portion 114 extends a sealing strip 122 in the contact portion 114.
  • two sealing strips 120, 122 are shown, the invention is not limited thereto. For example, the aim is to provide only one sealing strip with simultaneous fulfillment of the sealing requirements, or more than two sealing strips can be used.
  • the sealing strips can be embossed, stamped, milled, formed by laser or by other shaping.
  • Each of the sealing strips converts a stepped sealing contour, for example by embossing on both sides of 0.05 mm.
  • the width Bl, B2 of the sealing strips is preferably greater than 1 mm.
  • the widths Bl and B2 of the sealing strips 120, 122 may be the same or different.
  • offset end faces 128, 130 are provided, which run essentially perpendicular to the central axis L3, L4.
  • the end faces 128, 130 are embossed in Fig. 4, so that optimal mechanical sealing contours can be implemented.
  • a thickness embossing can be provided for a good grip of the sealing material on the stamping part surface during encapsulation.
  • the sealing medium such as a polyamide or a polyamide system, preferably in the form of a circumferential coating applied.
  • a bonding agent can be provided.
  • the sealing medium can only be introduced into the sealing strips, introduced into the sealing strips and applied to respective edge sections or, alternatively, a sealing medium can be provided both in the sealing strips 120, 122 and in the recess 118. The advantage is then an improved sealing effect reason of a strongly stepped contour below the sealing medium.
  • FIG. 5 shows a sectional view through the contact lug from FIG. 4 on the line A-A according to an embodiment, the recess 118 being provided in the connection region between the contact section 110 and the connecting section 114.
  • the sealing strips 120, 122 are formed in the contact portion 110 and the connecting portion 114 on both sides. Sealing material 140 is provided both in the recess 118 and in the sealing strips 120, 122. Due to this irregular surface structure, the sealing effect can be enhanced. In addition, due to the step-shaped design due to the sealing strips 120, 122, the sealing material 140 can be better fixed and thus can not be removed in a simple manner.
  • the sealing material 140 is firmly clamped between the sections 136 in the recess 118 and on the sealing strips 120, 122. So that a good adhesion effect can be achieved.
  • the sections 136 are provided with a bonding agent, so that a very good fixation of the sealing material 140 is possible.
  • Such a bonding agent layer can be provided both on the circumference of the recess 118 and on the edge 118 of the sealing strip 120, which faces the recess 118. In this way it is prevented at critical points that the sealing material 140 is released from the contact lug 112.
  • the brushed on and / or the sprayed-on sealing material 140 at a temperature that is lower than the melting temperature of the base material melts, in the case of polyamide systems at 190 0 C, and the base material at significantly higher temperatures with high Speed is injected, can by the introduced into the contact lug seal strips 120, 122 the removal or the displacement of the sealing material 140 or be prevented.
  • the sealing material and to some extent also the base material surrounding it, may have a greater shrinkage on cooling than the metallic material of the contact lug.
  • the shrinkage between the sealing strip or between the sealing strip and the perforation is hindered, which leads to a vertical frictional contact of the coating with the Edges of the introduced sealing strip leads and thus to an improved seal.
  • a low thermal shrinkage pedestal material such as fillers and low thermal expansion coefficient fibers, may be used.
  • the use of the present invention is not limited to lamp base, but can also be done in any electrical contact elements in a plastic housing.
  • FIG. 6 examples of contact elements 180, 182, 184 to be encapsulated are reproduced in a perspective view.
  • Each of these contact elements 180, 182, 184 has two rings 186 of sealing material. These are either applied to the continuous surface of the contact element or in recesses, preferably annular recesses, the contact elements 180, 182, 184 introduced.
  • FIGS. 7 to 9 the use of the contact element 184 is shown by way of example in housings 188, 190, 192. In this case, a contact element 184 connects two spaces A, B, in which the electrical contact with a respective end portion of the contact element 184 is made.
  • the contact element 184 is angled, so that by the inventive arrangement, for example, 2 plugs are electrically connected to each other at an angle of 90 °.
  • two contact elements 184a, 184b protrude from the outer surface of the housing 190, so that a contact can be made even outside of limited spaces.
  • the space B is designed to be closed, for example, an electrical device may be located in it.
  • the space A is open, so that a plug can make electrical contact.
  • contact elements 196 are provided in FIGS. 7 and 8, which have a ring 194.
  • a comparable sealing effect can be achieved.
  • at least one site should be coated, preferably circulating.
  • the use of one or two rings also depends on the application.
  • the present invention is not limited to one or two sealing regions, but depending on the sealing requirement, a plurality of sealing regions, for example, in the form of additional rings, be provided.
  • sealing material As sealing material, the sealing material described above can be used in FIGS. 6 to 9. In addition, a bonding agent may be provided below the sealing material.
  • a lamp base for an electric lamp preferably a motor vehicle lamp
  • a plastic base part and at least one contact lug for the power supply provided in the plastic base part.
  • a coating is provided for increasing the adhesive strength or tightness between the contact lug and the plastic base part. This can be supported by the introduction of sealing strips. The result is a plastic base that meets high sealing requirements with a simple manufacturing effort.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)

Abstract

L'invention concerne un culot de lampe pour une lampe électrique, de préférence une lampe de véhicule, présentant une partie de culot en plastique et au moins une languette de contact prévue dans la partie de culot en plastique pour l'alimentation électrique. Entre la partie de culot en plastique et la languette de contact, la languette de contact comporte, au moins par parties, un revêtement destiné à augmenter l'adhérence ou l'étanchéité entre la languette de contact et la partie de culot en plastique. Ceci peut être renforcé par l'introduction de bandes d'étanchéité. Il en résulte un culot en plastique répondant à des exigences élevées en matière d'étanchéité, tout en s'avérant simple à fabriquer.
PCT/DE2008/000856 2007-05-22 2008-05-21 Culot de lampe pour une lampe électrique WO2008141629A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08758097A EP2156518A1 (fr) 2007-05-22 2008-05-21 Culot de lampe pour une lampe électrique

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE200710023637 DE102007023637B8 (de) 2007-05-22 2007-05-22 Lampensockel für eine elektrische Lampe
DE102007023637.0 2007-05-22
DE102007061914 2007-12-21
DE102007061914.8 2007-12-21

Publications (2)

Publication Number Publication Date
WO2008141629A1 true WO2008141629A1 (fr) 2008-11-27
WO2008141629A4 WO2008141629A4 (fr) 2009-01-15

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Application Number Title Priority Date Filing Date
PCT/DE2008/000856 WO2008141629A1 (fr) 2007-05-22 2008-05-21 Culot de lampe pour une lampe électrique

Country Status (2)

Country Link
EP (1) EP2156518A1 (fr)
WO (1) WO2008141629A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2973889A4 (fr) * 2013-03-15 2016-12-14 Federal-Mogul Corp Ensemble douille pour véhicule
DE102022113241A1 (de) 2022-05-25 2023-11-30 iwis smart connect GmbH Metall-Kunststoff-Durchführung
FR3143889A1 (fr) * 2022-12-19 2024-06-21 Valeo Equipements Electriques Moteur Connecteur électrique

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19855412A1 (de) 1998-12-01 2000-06-08 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Lampe
DE102005007048A1 (de) 2005-02-15 2006-08-17 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampensockel und elektrische Lampe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19855412A1 (de) 1998-12-01 2000-06-08 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Lampe
DE102005007048A1 (de) 2005-02-15 2006-08-17 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampensockel und elektrische Lampe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2973889A4 (fr) * 2013-03-15 2016-12-14 Federal-Mogul Corp Ensemble douille pour véhicule
DE102022113241A1 (de) 2022-05-25 2023-11-30 iwis smart connect GmbH Metall-Kunststoff-Durchführung
FR3143889A1 (fr) * 2022-12-19 2024-06-21 Valeo Equipements Electriques Moteur Connecteur électrique

Also Published As

Publication number Publication date
EP2156518A1 (fr) 2010-02-24
WO2008141629A4 (fr) 2009-01-15

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