DE20203773U1 - headlights - Google Patents
headlightsInfo
- Publication number
- DE20203773U1 DE20203773U1 DE20203773U DE20203773U DE20203773U1 DE 20203773 U1 DE20203773 U1 DE 20203773U1 DE 20203773 U DE20203773 U DE 20203773U DE 20203773 U DE20203773 U DE 20203773U DE 20203773 U1 DE20203773 U1 DE 20203773U1
- Authority
- DE
- Germany
- Prior art keywords
- headlight
- cover plate
- housing
- sealing
- shaped contour
- 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
- 238000007789 sealing Methods 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 23
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 5
- 239000012815 thermoplastic material Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229920006352 transparent thermoplastic Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000000565 sealant Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000005304 joining Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1664—Laser beams characterised by the way of heating the interface making use of several radiators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1664—Laser beams characterised by the way of heating the interface making use of several radiators
- B29C65/1667—Laser beams characterised by the way of heating the interface making use of several radiators at the same time, i.e. simultaneous laser welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
- B29C65/7805—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
- B29C66/12445—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue having the tongue on the side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
- B29C66/12463—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being tapered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
- B29C66/12469—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being asymmetric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
- B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
- B29C66/322—Providing cavities in the joined article to collect the burr
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/55—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles sealing elements being incorporated into the joints, e.g. gaskets
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/29—Attachment thereof
-
- 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
- F21V31/00—Gas-tight or water-tight arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1664—Laser beams characterised by the way of heating the interface making use of several radiators
- B29C65/1667—Laser beams characterised by the way of heating the interface making use of several radiators at the same time, i.e. simultaneous laser welding
- B29C65/167—Laser beams characterised by the way of heating the interface making use of several radiators at the same time, i.e. simultaneous laser welding using laser diodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/733—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
- B29C66/7336—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light
- B29C66/73365—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light at least one of the parts to be joined being transparent or translucent to visible light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/002—Coloured
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0068—Permeability to liquids; Adsorption
- B29K2995/0069—Permeability to liquids; Adsorption non-permeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/747—Lightning equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
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EM 2001/012 AL01021EM 2001/012 AL01021
05.03.200205.03.2002
Automotive Lighting
Reutlingen GmbH
Tübinger Str. 123Automotive Lighting
Reutlingen GmbH
Tübingen Street 123
72762 Reutlingen72762 Reutlingen
BeschreibungDescription
Die Erfindung betrifft einen Scheinwerfer umfassend ein Scheinwerfergehäuse sowie eine Abdeckung zum Abschluss des Scheinwerfergehäuses in Lichtabstrahlrichtung einer im Scheinwerfer integrierten Lichtquelle, wobei das Scheinwerfergehäuse und die Abdeckscheibe dicht miteinander verbunden sind.
25The invention relates to a headlight comprising a headlight housing and a cover for closing the headlight housing in the light emission direction of a light source integrated in the headlight, wherein the headlight housing and the cover plate are tightly connected to one another.
25
Bei den heute üblichen Kfz-Scheinwerfern wird zur Verbindung des Scheinwerfergehäuses, bei dem es sich zumeist um ein aus dunkel eingefärbtem thermoplastischem Kunststoff bestehendes Gehäuse oder Zwischenrahmen handelt, mit der aus zumeist transparentem thermoplastischem Kunststoff bestehenden Abdeckscheibe, vorgesehen, die beiden Bestandteile über Ein- oder Zwei-Komponenten-Silikonklebern miteinander zu verbinden.In today's common car headlights, the headlight housing, which is usually a housing or intermediate frame made of dark-colored thermoplastic, and the cover plate, which is usually made of transparent thermoplastic, are connected to one another using one- or two-component silicone adhesives.
Darüber hinaus sind weitere Dichtmittel und zusätzliche Halteklammern üblich. Auch Dichtungen mit Haltefedern werden eingesetzt sowie die Verfahren des Vibrationsschweißens, Heizelementschweißens und Ultraschallschweißens.In addition, other sealing agents and additional retaining clips are common. Seals with retaining springs are also used, as well as vibration welding, hot plate welding and ultrasonic welding processes.
Die Verbindung mittels Dichtmittel besitzt den Nachteil eines erhöhten Platzbedarfs, wodurch der in der Karosserie ohnehin spärliche Bauraum nicht optimal genutzt werden kann. Gerade bei der Auslegung von Scheinwerfern spielt jedoch die Bauraumproblematik eine große Rolle, da insbesondere vertikaler Bauraum aufgrund der CW-optimierten Gestaltung von Fahrzeugkarosserien stark begrenzt ist. Darüber hinaus ist auch der horizontale Bauraum in Scheinwerfern durch die Anzahl der vorzusehenden Scheinwerfer und die zu leistenden Lichtstärken stark beschränkt.The connection using a sealant has the disadvantage of requiring more space, which means that the already limited installation space in the body cannot be used optimally. However, the installation space problem plays a major role in the design of headlights, as vertical installation space in particular is very limited due to the CW-optimized design of vehicle bodies. In addition, the horizontal installation space in headlights is also very limited by the number of headlights to be provided and the light intensities to be provided.
Darüber hinaus entstehen bei der Verwendung von Dichtmitteln große Fugen zwischen Abdeckscheibe und Kotflügel bzw. Stoßfänger oder Motorhaube etc.In addition, the use of sealants creates large gaps between the cover panel and the fender or bumper or bonnet, etc.
Beim alleinigen Einsatz von Klebstoffen bestehen darüber hinaus technologische Nachteile, da eine gewisse Aushärtzeit stets vonnöten ist, binnen derer sich die Teile gegeneinander bewegen können.There are also technological disadvantages when using adhesives alone, as a certain curing time is always necessary, during which the parts can move against each other.
In dieser Zeit müssen die Teile, um ein sicheres und dichtes Verbinden zu gewährleisten, zwischengelagert, eventuell sogar gegeneinander verspannt werden, um eine Relativbewegung der Teile zu verhindern. Hierfür ist jedoch ein gewisser Platzbedarf in der Montage notwendig, der möglichst vermieden werden soll. Darüber hinaus können die Teile auch nicht unmittelbar weiterverarbeitet werden, was generell als ungünstig zu bewerten ist.During this time, the parts must be stored temporarily to ensure a secure and tight connection, and may even be braced against each other to prevent relative movement of the parts. However, this requires a certain amount of space in the assembly, which should be avoided if possible. In addition, the parts cannot be processed further immediately, which is generally considered to be disadvantageous.
Darüber hinaus bestehen bei den bisher eingesetzten Schweißverfahren, nämlich dem Vibrations-, dem Heizelement- und dem Ultraschallschweißen Nachteile hinsichtlich der geometrischen Auslegung der Bauteile, der Belastung durch Vibration und das schlechte Design der Schweißnaht beim Vibrationsschweißen. Darüber hinaus ist beim Ultraschallschweißen die Schweißnahtlänge begrenzt und es kann zur Freisetzung von Schweißpartikeln kommen.In addition, the welding processes used to date, namely vibration, heating element and ultrasonic welding, have disadvantages with regard to the geometric design of the components, the stress caused by vibration and the poor design of the weld seam in vibration welding. In addition, the weld seam length is limited in ultrasonic welding and welding particles can be released.
Die Erfindung soll nun einen Scheinwerfer bereitstellen, bei dem die dichte Verbindung zwischen Abdeckscheibe und Gehäuse auf platzsparende und hinsichtlich der Fertigung einfache Weise realisiert werden kann.The invention is now intended to provide a headlight in which the tight connection between cover plate and housing can be realized in a space-saving and simple manner in terms of production.
Die Erfindung löst diese Aufgabe durch die gestalterische Auslegung der Verbindungsstelle, nämlich dadurch, dass das Gehäuse eine zumindest abschnittsweise umlaufende U-förmige Kontur zur Aufnahme einer Kante der Abdeckscheibe aufweist und wobei im Bereich der Kontur des Gehäuses das Gehäuse mit der Abdeckscheibe verschweißbar ist. Als Schweißverfahren kann hierbei insbesondere ein Laserschweißverfahren und insbesondere ein Durchstrahllaserverfahren vorgesehen sein, wobei hierbei die Anzahl der Diodenlaser dem Umfang, der zu verschweißen ist, entspricht.The invention solves this problem by the design of the connection point, namely by the housing having a U-shaped contour that runs around at least part of the connection point to accommodate an edge of the cover plate, and the housing can be welded to the cover plate in the area of the contour of the housing. A laser welding process and in particular a transmission laser process can be provided as the welding process, the number of diode lasers corresponding to the circumference that is to be welded.
Auf diese Weise wird eine hohe Anmutungsqualität der Schweißverbindung erreicht und der zur Verfügung stehende Einbauraum optimal genutzt. Die Kante der Abdeckscheibe verläuft hierbei sicher geführt innerhalb der U-förmigen Kontur und wird durch die beiden Schenkel der U-förmigen Kontur umschlossen.In this way, a high quality of appearance of the welded joint is achieved and the available installation space is used optimally. The edge of the cover plate runs safely within the U-shaped contour and is enclosed by the two legs of the U-shaped contour.
Ein von außen sichtbarer Spalt entsteht auf diese Weise nicht. Die Scheinwerfergeometrie wird auch nicht vergrößert durch aufwändige Halte- und Sicherungselemente.This means that there is no gap visible from the outside. The headlight geometry is also not enlarged by complex holding and securing elements.
Es kann dabei insbesondere vorgesehen sein, dass das Scheinwerfergehäuse und die Abdeckscheibe aus thermoplastischem Kunststoff bestehen. Insbesondere kann die Abdeckscheibe aus transparentem Kunststoff und das Gehäuse, das auch in Form eines Zwischenrahmens ausgebildet sein kann, aus einem farbigen, insbesondere dunkel gefärbten Kunststoff ausgeführt sein.In particular, it can be provided that the headlight housing and the cover plate are made of thermoplastic material. In particular, the cover plate can be made of transparent plastic and the housing, which can also be designed in the form of an intermediate frame, can be made of a colored, in particular dark-colored, plastic.
Dabei kann zwischen der U-förmigen Kontur und der Kante ein Abstand zur Aufnahme der Schmelze vorgesehen sein. D. h. der Boden der U-förmigen Kontur ist breiter als die aufzunehmende Kante der Abdeckscheibe, so dass die Abdeckscheibe in der Kontur mit Spiel geführt ist.A gap can be provided between the U-shaped contour and the edge to accommodate the melt. This means that the base of the U-shaped contour is wider than the edge of the cover plate to be accommodated, so that the cover plate is guided in the contour with play.
Nach einer besonders vorteilhaften Ausgestaltung kann darüber hinaus in der U-förmigen Kontur eine Dichtnut vorgesehen sein, in die ein Dichtsteg der Abdeckscheibe, der korrespondierend zur Dichtnut ausgebildet ist und an der Kante der Abdeckscheibe angeordnet ist, eintaucht. Der Dichtsteg kann dabei eine geringere Breite als die Kante der Abdeckscheibe aufweisen. Es kann hier bspw. als Dichtmittel eine Dichtschnur oder Ähnliches eingebracht werden.According to a particularly advantageous embodiment, a sealing groove can also be provided in the U-shaped contour, into which a sealing web of the cover plate, which is designed to correspond to the sealing groove and is arranged on the edge of the cover plate, dips. The sealing web can have a smaller width than the edge of the cover plate. A sealing cord or something similar can be introduced here as a sealing agent, for example.
Des weiteren können in eine U-förmige Kontur zur Aufnahme von Dichtmittel oder Kleber Positionierrippen und Schweißstege eingebracht werden.Furthermore, positioning ribs and welding webs can be incorporated into a U-shaped contour to accommodate sealant or adhesive.
Die Schweißstege sind so ausgelegt, dass sie im Dichtmittel oder Kleber eingebettet sind.
35The welding bridges are designed to be embedded in the sealant or adhesive.
35
Die Schweißstege sind gegenüber den Auflagestegen um den Betrag der Abschmelzhöhe erhaben ausgelegt.The welding bars are raised above the support bars by the amount of the melting height.
Je nach Umfang der Dichtkontur kann die Anzahl der Schweißstege gewählt werden.The number of welding bars can be selected depending on the size of the sealing contour.
Bei großen Konturtoleranzen zwischen Fuß der Abdeckscheibe und Dichtbett kann diese Kombination der partiellen Verschweißung mit umlaufender Abdichtung angewendet werden. 10In the case of large contour tolerances between the base of the cover plate and the sealing bed, this combination of partial welding with circumferential sealing can be used. 10
Dies kann auch bei vorhandenen Dichtsystemen angewandt werden.This can also be applied to existing sealing systems.
Ein derartiger Scheinwerfer besitzt folgende Vorteile: 15Such a headlight has the following advantages: 15
gute Nahtoptikgood seam appearance
optimale Bauraumausnutzungoptimal use of installation space
keine die Außenkontur der Abdeckscheibe überstehenden Bauteile
- keine verfahrensbedingten Flusen oder Klebefäden keine hohe Bauteilbelastung beim Fügeprozess durch Schwingung oder Druck.no components protruding beyond the outer contour of the cover plate
- no process-related fluff or adhesive threads, no high component stress during the joining process due to vibration or pressure.
Im Folgenden soll die Erfindung anhand einer Zeichnung näher erläutert werden. Sämtliche vorstehend und nachfolgend ausgeführten Merkmale sind einzeln oder in beliebiger Kombination miteinander für die Erfindung wesentlich.The invention will be explained in more detail below with reference to a drawing. All features set out above and below are essential to the invention, either individually or in any combination with one another.
Dabei zeigen:Showing:
Figur 1 ein erstes Ausführungsbeispiel der Erfindung;Figure 1 shows a first embodiment of the invention;
Figur 2,
3 und 4 einzelne alternative Ausführungsformen.Figure 2,
3 and 4 show individual alternative embodiments.
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Fig. 1 zeigt einen Ausschnitt aus einem Scheinwerfer im Schnitt umfassend eine Abdeckscheibe 1 sowie ein Gehäuse Das Gehäuse 2 ist mit der Abdeckscheibe 1 dicht verbunden. Das Gehäuse 2 weist hierfür eine U-förmige Kontur 9 auf, die als Aufnahme für eine Kante 11 der Abdeckscheibe 1 dient. Die Abdeckscheibe 1 weist hierzu einen Vorsprung an ihrer dem Scheinwerferinneren zugewandten Seite auf, der mit 12 bezeichnet ist. An der dem Äußeren des Scheinwerfers zugewandten Seite der Abdeckung 1 bildet die Kante 11 dadurch eine Stufe 8, die mit einem äußeren Schenkel 3 der U-förmigen Kontur 9 korrespondiert. Auf diese Weise ist die Abdeckscheibe 1 mit ihrer Kante 11 in der U-förmigen Kontur 9 geführt. Durch die U-förmige Kontur, insbesondere den äußeren Schenkel 3 der U-förmigen Kontur ist ein Fangsteg für die Schmelze beim Laserschweißen und gleichzeitig eine Schweißbegrenzung gegeben.Fig. 1 shows a section of a headlight comprising a cover plate 1 and a housing. The housing 2 is tightly connected to the cover plate 1. The housing 2 has a U-shaped contour 9 for this purpose, which serves as a holder for an edge 11 of the cover plate 1. The cover plate 1 has a projection on its side facing the interior of the headlight, which projection is designated by 12. On the side of the cover 1 facing the outside of the headlight, the edge 11 thereby forms a step 8 which corresponds to an outer leg 3 of the U-shaped contour 9. In this way, the cover plate 1 is guided with its edge 11 in the U-shaped contour 9. The U-shaped contour, in particular the outer leg 3 of the U-shaped contour, provides a catch web for the melt during laser welding and at the same time a welding limit.
Zwischen dem äußeren Schenkel 3 und dem Steg 12 der Kante 11 ist ein Abstand 7 vorgesehen, der so groß ausgebildet ist, dass die Schmelze Platz findet.Between the outer leg 3 and the web 12 of the edge 11, a distance 7 is provided which is large enough to accommodate the melt.
Fig. 2 beschreibt nun eine alternative Ausgestaltung, bei der in der U-förmigen Kontur 9 eine Nut 4 vorgesehen ist, in die ein Dichtmittel 5, insbesondere eine Dichtschnur, eingebracht werden kann. Das Dichtmittel 5 wird dabei vor dem Schweißprozess in die Nut 4 eingebracht. Die Nut 4 läuft zusammen mit der U-förmigen Kontur 9 um.Fig. 2 now describes an alternative embodiment in which a groove 4 is provided in the U-shaped contour 9, into which a sealing agent 5, in particular a sealing cord, can be introduced. The sealing agent 5 is introduced into the groove 4 before the welding process. The groove 4 runs together with the U-shaped contour 9.
Im Gegenzug dazu weist die Kante 11 der Abdeckscheibe 1 neben dem Steg 12, in dessen Bereich die Verschweißung über die Schmelze 10 vorgenommen wird, mit dem Gehäuse 2 eine Dichtnase 6 auf, die dem Scheinwerferinneren 13 zugewandt ist und die mit der Nut 4 korrespondiert und so ausgebildet ist, dass sie mit dem Dichtmittel 5 ebenfalls in Kontakt steht und in dieses eintaucht.In contrast, the edge 11 of the cover plate 1 has, next to the web 12, in the area of which the welding is carried out via the melt 10, a sealing nose 6 with the housing 2, which faces the headlight interior 13 and which corresponds to the groove 4 and is designed such that it is also in contact with the sealing agent 5 and is immersed in it.
Figuren 3 und 4 zeigen eine übliche U-förmige umlaufende Kontur 9 vom Dichtbett des Gehäuses 2, in der auf Positionierrippen 14 die Kante 11 der Abdeckscheibe 1 nach dem Abschmelzen aufliegt und in Höhe positioniert ist.Figures 3 and 4 show a conventional U-shaped circumferential contour 9 of the sealing bed of the housing 2, in which the edge 11 of the cover plate 1 rests on positioning ribs 14 after melting and is positioned in height.
Neben den Positionierrippen 14 sind die Schweißstege 16 mit ihrem Schmelzbereich 10 in den U-förmigen Kanal des Gehäuses 2 eingebracht.
10In addition to the positioning ribs 14, the welding webs 16 with their melting area 10 are introduced into the U-shaped channel of the housing 2.
10
Auf diese Weise kann insbesondere bei komplizierten und verschachtelten Geometrien die Dichtheit verbessert erzeugt werden.In this way, the tightness can be improved, especially in the case of complicated and nested geometries.
Der Schweißprozess selbst findet dann über einen Durchstrahllaser statt, bei dem entsprechend dem Umfang eine bestimmte^Anzahl Diodenlaser vorgesehen ist.The welding process itself then takes place via a transmission laser, in which a certain number of diode lasers are provided depending on the circumference.
Auf diese Weise kann die Bauteilbelastung beim Fügeprozess verringert werden und der Bauraum wird optimal genutzt.In this way, the load on the component during the joining process can be reduced and the installation space is used optimally.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE20203773U DE20203773U1 (en) | 2002-03-08 | 2002-03-08 | headlights |
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DE20203773U DE20203773U1 (en) | 2002-03-08 | 2002-03-08 | headlights |
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DE20203773U1 true DE20203773U1 (en) | 2002-06-20 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2870924A1 (en) * | 2004-05-25 | 2005-12-02 | Koito Mfg Co Ltd | METHOD FOR MANUFACTURING VEHICLE FIRE |
DE102004050745A1 (en) * | 2004-10-19 | 2006-04-20 | Hella Kgaa Hueck & Co. | Lighting unit e.g. head light, for vehicle, has connecting bar whose free end is provided with layer coating, and cover plate and housing connected with one another directly by laser welding |
DE102007046376A1 (en) * | 2007-04-20 | 2008-10-23 | Mitsubishi Electric Corporation | Welded resin body and method for its production |
DE102005042722B4 (en) * | 2005-09-08 | 2010-07-29 | Automotive Lighting Reutlingen Gmbh | Headlight housing for a motor vehicle |
DE102005049065B4 (en) * | 2004-10-13 | 2011-03-31 | Koito Manufacturing Co., Ltd. | The vehicle lighting device |
DE102020109359A1 (en) | 2020-04-03 | 2021-10-07 | HELLA GmbH & Co. KGaA | Lighting device and method for joining a lighting device |
-
2002
- 2002-03-08 DE DE20203773U patent/DE20203773U1/en not_active Expired - Lifetime
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2870924A1 (en) * | 2004-05-25 | 2005-12-02 | Koito Mfg Co Ltd | METHOD FOR MANUFACTURING VEHICLE FIRE |
US7329025B2 (en) | 2004-05-25 | 2008-02-12 | Koito Manufacturing Co., Ltd. | Production method of vehicle lamp |
CN100443240C (en) * | 2004-05-25 | 2008-12-17 | 株式会社小糸制作所 | Production method of vehicle lamp |
DE102005049065B4 (en) * | 2004-10-13 | 2011-03-31 | Koito Manufacturing Co., Ltd. | The vehicle lighting device |
DE102004050745A1 (en) * | 2004-10-19 | 2006-04-20 | Hella Kgaa Hueck & Co. | Lighting unit e.g. head light, for vehicle, has connecting bar whose free end is provided with layer coating, and cover plate and housing connected with one another directly by laser welding |
DE102005042722B4 (en) * | 2005-09-08 | 2010-07-29 | Automotive Lighting Reutlingen Gmbh | Headlight housing for a motor vehicle |
DE102007046376A1 (en) * | 2007-04-20 | 2008-10-23 | Mitsubishi Electric Corporation | Welded resin body and method for its production |
US8597755B2 (en) | 2007-04-20 | 2013-12-03 | Mitsubishi Electric Corporation | Resin welded body and manufacturing method thereof |
DE102007046376B4 (en) | 2007-04-20 | 2020-06-04 | Mitsubishi Electric Corporation | Welded resin body and process for its manufacture |
DE102020109359A1 (en) | 2020-04-03 | 2021-10-07 | HELLA GmbH & Co. KGaA | Lighting device and method for joining a lighting device |
US11754249B2 (en) | 2020-04-03 | 2023-09-12 | HELLA GmbH & Co. KGaA | Lighting device and method for joining a lighting device |
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