EP4072820A1 - Element d'un dispositif lumineux de vehicule avec un coude - Google Patents
Element d'un dispositif lumineux de vehicule avec un coudeInfo
- Publication number
- EP4072820A1 EP4072820A1 EP20821036.9A EP20821036A EP4072820A1 EP 4072820 A1 EP4072820 A1 EP 4072820A1 EP 20821036 A EP20821036 A EP 20821036A EP 4072820 A1 EP4072820 A1 EP 4072820A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- injection
- volume
- lighting device
- layers
- overgrowth
- 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.)
- Pending
Links
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
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
-
- 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
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
- B29C2045/2714—Gates elongated, e.g. film-like, annular
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
- B29C2045/2716—The gate axis being perpendicular to main injection axis, e.g. injecting into side walls of a container
-
- 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
-
- 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
- B29L2009/00—Layered products
-
- 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
- B29L2011/00—Optical elements, e.g. lenses, prisms
Definitions
- the present invention relates to an element of a vehicle lighting device. It finds a particular but nonlimiting application in motor vehicles.
- An element of a motor vehicle lighting device such as an intermediate screen of a position light comprises an injection volume formed of a primary volume and a secondary volume.
- One of the volumes is smaller than the other. They each have an injection point through which material has been injected to form two parts of said element.
- a sequential injection process is used whereby material is injected through a nozzle through the first injection point to fill the primary volume, and then material is injected through the same nozzle through the second point injection to fill the smaller secondary volume, at the same time as the injection of the primary volume ends.
- the injection points are opened sequentially one after the other to inject the material.
- a drawback of this prior state of the art is that an overpressure occurs at the level of the nozzle during the filling of the secondary volume with the material which creates a so-called icing problem which is transmitted around the second injection point. and in part of the secondary volume. In addition to the icing problem, whitish halos may also appear around this second injection site.
- the present invention aims to provide an element of a vehicle lighting device which also makes it possible to solve the mentioned drawback.
- the invention provides an element of a vehicle lighting device made of synthetic polymer material and comprising an injection volume formed of a primary volume and a secondary volume, characterized in that said element further comprises a material injection channel comprising:
- the overgrowth will make it possible to trap the volume of material which undergoes the overpressure during the second injection, this volume of material cooling down while the rest of the material continues. to flow into the other part of the injection channel.
- the volume of material remains stored in the overgrowth. After the change of direction defined by the elbow, the flow pressure of the material is more homogeneous, without overpressure in the secondary volume of the element.
- the element of a vehicle lighting device may further include one or more additional characteristics taken alone or in any technically possible combination, among the following.
- said at least one bend comprises an angle of approximately 90 °.
- said at least one bend is rounded or at a sharp angle.
- said injection point is configured to perform an injection substantially perpendicular to the plane of said element.
- said primary volume and said secondary volume are separated or edge to edge.
- said overgrowth has a cross section in the form of a trapezoid or semi-spherical or rectangular.
- said element is composed of one or more layers.
- G element comprises several layers, said material injection channel is overmolded by a layer.
- said element is composed of three layers
- one of the three layers is opaque and another of the three layers is transparent.
- said element is an intermediate screen.
- said element is made of PMMA or PC.
- said element comprises two elbows.
- said material injection channel comprises more than two parts.
- said material injection channel comprises more than a bend.
- said material injection channel comprises two bends.
- said lighting device comprises at least a light source, an optical element, a transparent output lens and an element according to any one of the preceding characteristics.
- said element is an intermediate screen arranged between said optical element and said transparent output lens.
- said lighting device is a position light.
- FIG. 1 illustrates a diagram of a vehicle lighting device, said lighting device comprising at least a light source, an optical element, an output lens, and an element arranged between said optical element and said output lens, according to a mode of operation.
- FIG. 2 shows a perspective view of said element of the lighting device of FIG. 1, said element comprising a primary volume, a secondary volume, a material injection channel comprising at least two parts and an elbow connecting the two parts, said elbow comprising an overgrowth, according to a first non-limiting embodiment of the invention
- FIG. 3a represents a view of the material injection channel of FIG. 2 according to a first non-limiting embodiment, said material injection channel being not overmolded
- FIG. 3b represents a view of the material injection channel of FIG. 3a, said injection channel being overmolded, according to a non-limiting embodiment
- FIG. 4 shows a zoomed view of the material injection channel of the element of FIG. 3a, according to a non-limiting embodiment
- FIG. 5 shows a view of the material injection channel according to a second non-limiting embodiment, said material injection channel forming part of said element of the lighting device of FIG. 1.
- a vehicle lighting device 2 according to the invention is described with reference to Figures 1 to 5.
- the vehicle is a motor vehicle.
- motor vehicle is meant any type of motor vehicle. This embodiment is taken as non-limiting example in the remainder of the description. In the remainder of the description, the vehicle is thus otherwise called a motor vehicle.
- the lighting device 2 is a position light T called “Tail” in the English language.
- the lighting device 2 further performs a signaling function T1 otherwise called flashing light and called in the English language "Turn Indicator.”
- the signaling function Tl is centered between two parts 11 and 10 of the lighting device 2, the two parts making it possible to perform the position function T.
- the lighting device 2 comprises at least a light source 20, an optical element 21 such as in non-limiting examples a reflector, a light guide or a lens, said element 1, and a transparent output lens 22.
- the optical element 21 is configured to generate a light beam F from light rays R emitted by the light source, said light beam F illuminating said element 1.
- said element 1 is an intermediate screen arranged between said optical element 21 and said output lens 22. Said element 1 is thus backlit by the light beam F generated by the optical element. 21.
- element 1 is composed of three layers, otherwise called stations.
- a first layer 1a is opaque (otherwise called opaque layer 1a)
- a second layer 1b is opaline colored (otherwise called opaline colored layer 1b)
- a third layer 1c is transparent.
- This last layer le is also called the crystal layer le.
- the first layer 1a is in a non-limiting example of black color, which makes it possible to have an aesthetic function.
- the element 1 is made of synthetic polymer.
- the synthetic polymer is PMMA (polymethyl methacrylate) or PC (polycarbonate). Due to the production in three layers, in a non-limiting embodiment, three different injections are used to produce the three layers. It will be noted that the signaling function T1 is located in the third layer Ic.
- said element 1 comprises an injection volume V formed by a primary volume 10 and a secondary volume 11 which thus each define a part of the light device 2 to perform the position function T
- the primary volume 10 and the secondary volume 11 are separated. In the non-limiting example, they are separated by part of the crystal layer 1c. This part of the crystal layer allows it to perform the signaling function T1 as well.
- the primary volume 10 and the secondary volume 11 are not separated. They are side by side.
- the primary volume 10 is approximately five times greater than the secondary volume 11.
- Element 1 comprises a first injection point for the primary volume 10 and a second injection point for the secondary volume 11. Material is injected first into the primary volume 10, then second into the secondary volume 11. The two injections end at the same time.
- the primary volume 10 thus comprises an injection point 100a (otherwise called first injection point 100a), and the secondary volume 11, smaller, thus comprises an injection point 120a (otherwise called second injection point 100a) .
- the first injection point 100a makes it possible to start an injection of material before an injection of material via the second injection point 120a.
- the injection of material through the first injection point 100a does not create an appearance defect, such as icing.
- the injection of material through the second injection point 120a creates an appearance defect, such as icing, which will be trapped in an overgrowth 123 of a material injection channel 12 described below.
- the material injection channel 12 is linked to the secondary volume 11, therefore to the smallest volume of the element 1.
- said element 1 further comprises a material injection channel 12 configured to inject material into the secondary volume 11.
- the material injection channel 12 comprises:
- the material injection channel 12 further comprises an injection threshold 120b which defines the transition zone between the material injection channel 12 and the secondary volume 11, in particular the visible part which is not hidden by the first layer 1b.
- the material injection channel 12 is overmolded with the first material 1a which is opaque. As illustrated in FIG. 3b, the first material covers the material injection channel 12. Thus, the latter will not be visible to the naked eye by an observer outside the vehicle.
- FIG. 3b illustrates the material injection channel 12 in dotted lines which is covered by the first material lb of the element 1.
- the first material lb incorporates a visibility window 125 which is produced in the third subject. Thus, the light beam F which emerges through the second material lb can also emerge through this visibility window 125.
- the material injection channel 12 comprises straight or rounded walls.
- the injection point 120a is configured to perform an injection substantially perpendicular to the plane AA 'of said element 1 This allows symmetrical filling of material in the secondary volume 11 at the same time as the injection into the primary volume 10.
- the first part 120 comprises a length L1 of more than 50mm. This makes it possible to have sufficient volume so that the material has time to flow along the first part 120.
- the first part 120 and the second part 121 extend in different directions Ax, Ay which makes it possible to have a change of direction for the flow of the material which is injected into the material injection channel. 12.
- This change of direction makes it possible to prevent the icing from propagating in the second part 121 of the material injection channel 12 and therefore in the secondary volume 11.
- the icing results in a set of point microbubbles. or superimposed which are distributed randomly around the injection point and the injection threshold and which can travel up to a distance of about 50 mm from an injection point.
- the change of direction makes it possible to avoid a so-called free jet problem in the secondary volume 11. It is recalled that the free jet problem results in the projection of an uncontrolled material front due to a pressure difference between the inlet and the outlet of the injection threshold which results in non-homogeneous filling of the material which results in a serpentine appearance.
- the bend 122 includes an inner periphery 122a and an outer periphery 122b (shown in dotted lines in the figure).
- the elbow 122 comprises an angle of approximately 90 °.
- the first part 120 extends in a direction Ax
- the second part 121 extends in a direction Ay perpendicular to the first part 120. This allows good control of the flow of material.
- the elbow 122 includes an acute angle.
- the bend 122 is at a sharp angle as illustrated in FIG. 4 or rounded as illustrated in FIG. 5.
- the element 1 comprises a single bend 122.
- the element 1 comprises two bends 122i and 122 2 -This allows to increase the volume in which the material flows, and therefore in which the icing spreads.
- One bend 122i includes the overgrowth 123.
- the other bend 122 2 does not include any overgrowth.
- the overgrowth 123 is configured to trap the material injected into the material injection channel 12 which is in overpressure during the injection of the material through the injection point 120a, and which has the effect in particular of icing. . It is recalled that the injection through the material injection channel 12 represents the second injection for the element 1, namely that for the secondary volume 11 which is the smallest volume. The material which undergoes the overpressure is trapped in the overgrowth 123 and remains stored in the overgrowth; it cools and hardens; while the rest of the material continues to flow in the second part 121 of the material injection channel 12. It will be noted that the overpressure to which the injected material is subjected is limited in time. It lasts about 1.5 seconds. When the injection point 120a is opened, the icing defect propagates from the injection point 120a to the overgrowth 123 and thus stops at the overgrowth 123.
- the overgrowth 123 has a cross section in the shape of a trapezoid or semi-spherical or rectangular. In a non-limiting embodiment illustrated in Figures 4 and 5, the overgrowth 123 extends over the outer periphery 122b respectively of the bend 122, 122i.
- element 1 can be made from any injected synthetic polymer material.
- the overgrowth 123 may have the shape of a drop.
- said element 1 is composed of a single layer, of two layers or of more than three layers.
- the material injection channel 12 is in this case covered by an additional part of the lighting device 2, which makes it possible to make it invisible to the naked eye by an observer outside the vehicle.
- the layer is an opaline color layer lb.
- the two layers are an opaline color layer 1b and a crystal layer 1c.
- the primary volume 10 is equal to the secondary volume 11.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1914430A FR3104479B1 (fr) | 2019-12-13 | 2019-12-13 | Elément d’un dispositif lumineux de véhicule avec un coude |
| PCT/EP2020/086054 WO2021116499A1 (fr) | 2019-12-13 | 2020-12-14 | Element d'un dispositif lumineux de vehicule avec un coude |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4072820A1 true EP4072820A1 (fr) | 2022-10-19 |
Family
ID=69743513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20821036.9A Pending EP4072820A1 (fr) | 2019-12-13 | 2020-12-14 | Element d'un dispositif lumineux de vehicule avec un coude |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11933473B2 (fr) |
| EP (1) | EP4072820A1 (fr) |
| CN (1) | CN115916503B (fr) |
| FR (1) | FR3104479B1 (fr) |
| WO (1) | WO2021116499A1 (fr) |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2561573A1 (fr) * | 1984-03-23 | 1985-09-27 | Ems Ind | Machine de moulage par injection a bloc de circulation de matiere, independant des moules |
| DE3942957C2 (de) * | 1989-12-23 | 1994-06-01 | Ziegler Hans Peter | Vorrichtung zum Einbringen eines dosierten Gasvolumens in einen mit einer Kunststoffschmelze gefüllten Formhohlraum einer Spritzform |
| JP2001287237A (ja) * | 2000-04-05 | 2001-10-16 | Japan Steel Works Ltd:The | 貼合成形品の射出成形方法 |
| DE102007052197B4 (de) * | 2007-10-24 | 2019-09-12 | Automotive Lighting Reutlingen Gmbh | Spritzgießverfahren zur Herstellung einer Abdeckscheibe einer Fahrzeugleuchte, Spritzgießwerkzeug hierfür und Abdeckscheibe einer Fahrzeugleuchte |
| IT1398426B1 (it) * | 2010-02-23 | 2013-02-22 | Automotive Lighting Rear Lamps Italia S P A | Metodo per lo stampaggio ad iniezione di corpi lenticolari in materiale plastico per fanali di autoveicoli e similari, e corpo lenticolare per fanali di autoveicoli e similari. |
| KR101101491B1 (ko) * | 2010-02-25 | 2012-01-03 | 삼성전기주식회사 | 안테나 패턴 프레임, 전자장치 케이스 및 이의 제조금형 |
| FR2975329A1 (fr) * | 2011-05-17 | 2012-11-23 | Valeo Vision | Moule et procede pour moulage par injection d'une piece avec une partie en saillie |
| EP2554353B1 (fr) * | 2011-08-05 | 2017-06-07 | Trisa Holding AG | Procédé de fabrication d'une brosse à dents et brosse à dents |
| WO2016100314A2 (fr) * | 2014-12-19 | 2016-06-23 | The Procter & Gamble Company | Procédé et appareil pour surmoulage d'article creux fragile |
| KR20170124198A (ko) * | 2016-05-02 | 2017-11-10 | 고재영 | 서스펜션 스트럿 베어링 제조방법 |
| PL3468798T3 (pl) * | 2016-06-14 | 2022-05-30 | Saint-Gobain Glass France | Sposób wytwarzania wykonanej z tworzywa sztucznego części montażowej pojazdu, urządzenie, produkt i zastosowanie |
| KR102463471B1 (ko) * | 2016-12-14 | 2022-11-08 | 현대자동차주식회사 | 차량용 레이더 투과 커버 제조방법 및 그에 의해 제조된 레이더 투과 커버 |
| JP7036612B2 (ja) * | 2018-02-13 | 2022-03-15 | 株式会社小糸製作所 | 樹脂成形品 |
| EP3533582B1 (fr) * | 2018-03-02 | 2020-11-25 | Oberland M & V GmbH | Récipient de transport pourvu de film dans le moule |
| US11826935B2 (en) * | 2018-03-20 | 2023-11-28 | Docter Optics Se | Method for producing a lens element |
| US20190358875A1 (en) * | 2018-05-22 | 2019-11-28 | Visteon Global Technologies, Inc. | Injection molding apparatus and method to reduce birefringence |
| TWI677427B (zh) * | 2019-02-22 | 2019-11-21 | 台端興業股份有限公司 | 光學鏡片組合物及光學鏡片之製造方法 |
| DE102020110914A1 (de) * | 2020-04-22 | 2021-10-28 | HELLA GmbH & Co. KGaA | Verfahren zur Herstellung eines lichttechnischen Moduls für eine Beleuchtungseinrichtung eines Kraftfahrzeugs |
-
2019
- 2019-12-13 FR FR1914430A patent/FR3104479B1/fr active Active
-
2020
- 2020-12-14 US US17/783,823 patent/US11933473B2/en active Active
- 2020-12-14 CN CN202080085713.6A patent/CN115916503B/zh active Active
- 2020-12-14 WO PCT/EP2020/086054 patent/WO2021116499A1/fr not_active Ceased
- 2020-12-14 EP EP20821036.9A patent/EP4072820A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN115916503A (zh) | 2023-04-04 |
| WO2021116499A1 (fr) | 2021-06-17 |
| US11933473B2 (en) | 2024-03-19 |
| CN115916503B (zh) | 2025-07-29 |
| FR3104479A1 (fr) | 2021-06-18 |
| FR3104479B1 (fr) | 2022-07-15 |
| US20230003359A1 (en) | 2023-01-05 |
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