CN105440625A - Preparation process of lampshade of car lamp - Google Patents
Preparation process of lampshade of car lamp Download PDFInfo
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- CN105440625A CN105440625A CN201510842119.8A CN201510842119A CN105440625A CN 105440625 A CN105440625 A CN 105440625A CN 201510842119 A CN201510842119 A CN 201510842119A CN 105440625 A CN105440625 A CN 105440625A
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- Prior art keywords
- lampshade
- injection moulding
- adhesive tape
- car lamp
- mass parts
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a preparation process of a lampshade of a car lamp. The preparation process mainly comprises nine steps as follows: preparation of raw materials, mixing, forming, drying, mold preparation, injection molding, cooling for demolding, adhesive tape preparation, composition of an adhesive tape and the lampshade and film coating on the lampshade. Polyvinyl chloride has high light transmittance, a mixture of PC (polycarbonate) rubber and polyvinyl chloride rubber is taken as a material for manufacturing of the lampshade, the light transmittance of the car lamp can be improved, the irradiation brightness of the car lamp is increased, the formability of the car lamp is more natural and perfect with a secondary glue injection molding technology, a rubber anti-collision belt is added to the car lamp, the safety and anti-collision performance of the car lamp is increased, and titanium dioxide is added to the rubber anti-collision belt, so that the color of the rubber belt is close to that of the lampshade, the attractiveness is not affected, the existing problems are well solved, the brightness of the car lamp is increased, the safety performance is improved, and the service life of the car lamp is prolonged.
Description
Technical field
The present invention relates to auto parts machinery field, particularly relate to a kind of car light lampshade preparation technology.
Background technology
Car light is the instrument of car lighting, front car light can be divided into, rear vehicle lamp, steering indicating light, license plate bright lamp etc., car light plays important effect in the process of vehicle safe driving, and the transmittance of car light lampshade and the impact resistant capability of car light also have great importance, if the patent No. is 201310489615.0 for the invention discloses a kind of car light manufacture method, the preparation of lamp shade body that it comprises the steps: (1): the preparation of (2) crashproof adhesive tape; (3) compound of crashproof adhesive tape and lampshade; (4) coating on lampshade: but time this technique is implemented again, unsuitable exploitativeness, wherein given pressure and temperature are not most suitable, the invention still further relates to a kind of by multi-part plastics spray technology and by with insert plastics spray technology for the manufacture of lamp planar, arch or the method for flat, painted or colourless transparent element (10), but seldom there is method to pass through in process of production by for further processing to car light lampshade, thus it is crashproof to play car light, and do not affect the appearance; Adopt the lampshade that lamp lampshade preparation technology of the present invention produces.
Summary of the invention
A kind of car light lampshade of the present invention preparation technology, is characterized in that: comprise the steps:
(1) starting material prepare: polyvinyl chloride 10-13 mass parts, PC plastics 35-43 mass parts, talcum powder 12-15 mass parts, vinyl cyanide 8-10 mass parts, 1,3-butadiene 11-15 mass parts and vinylbenzene 21-25 mass parts;
(2) mixing moulding: by polyvinyl chloride, PC plastics, talcum powder, vinyl cyanide, 1,3-divinyl, mass parts and vinylbenzene are placed in high-speed mixer and mixing 18-20min, the mixture obtained is joined in twin screw extruder, described twin screw extruder is at 250-280 DEG C, under 500rpm condition, after mixture melting, extrude particle;
(3) dry: the particle in step (2) is placed in baking oven 4-6 hour, temperature time dry remains on 120-150 DEG C;
(4) model preparation: select suitable model preparation injection moulding as required;
(5) injection moulding: the particle after drying is joined in injection moulding machine, carries out injection moulding and obtain lampshade model;
(6) cooling and demolding: complete by its demoulding in 1min-2min in injection moulding, obtained lampshade model;
(7) adhesive tape is prepared:
A, polyisoprene rubber, titanium dioxide, stearic acid, isocyanic ester are carried out mixing 30min at mixing roll and obtain molten slurry, the condition of mixing roll is in 11-13MPa, 210-240 DEG C;
B, slurry molten in a step is flowed through in rectangular mould, obtained strip adhesive tape; Wherein, polyisoprene rubber contains 92-95wt%, titanium dioxide 3-5wt%, stearic acid 0.1-2wt%, isocyanic ester 0.5-1wt%;
(8) compound of adhesive tape and lampshade: use water, ethanol, acetone wiping lampshade and crashproof tape surface successively, first dip a small amount of isocyanate glue and pregelatinated 3-5min is carried out to crashproof adhesive tape, be coated with last layer uniform isocyanate glue at tape surface again, crashproof adhesive tape is bonded on lampshade along the edge of the corresponding bulb position of lampshade;
(9) coating on lampshade: activate and clean at vacuum chamber the cover surface being compounded with adhesive tape, at its plated surface last layer aluminium film.
Preferably, described in step (2), the temperature of high mixer is at 300-380 DEG C, and pressure is 13-17MPa.
Preferably, described in step (8), the thickness of adhesive tape is 3-4mm, and width is 2.5-3mm.
Preferably, in step (5), injection moulding process is divided into two sections: injection moulding under 66-72Mpa condition, injection time is 4-6s, and when being injected into the half of product, then in the injection moulding of 60-70Mpa condition, inject time is 3-4s, completes to product injection moulding.
Preferably, in step (8), the thickness of isocyanate glue is 0.1mm.
Preferably, the treatment time of step (9) is 100s, and the vacuum tightness in vacuum chamber reaches 20-30Pa, and the thickness of described aluminium plating film is 1-2 μm.
Beneficial effect:
The invention provides a kind of car light lampshade preparation technology, its step mainly comprises starting material and prepares, mixing moulding, dry, model preparation, injection moulding, cooling and demolding, prepare adhesive tape, the compound of adhesive tape and lampshade and coating on lampshade 9 steps: the transmittance of polyvinyl chloride is high, adopt the mixture of PC rubber and polyvinyl chloride rubber can improve the transmittance of car light as the material manufacturing lampshade, increase car light irradiation brightness, adopt secondary injection gum forming technology, make the more natural perfection of car light formability, car light increases rubber anti-collision belt, increase car light anticollision performance, in rubber anti-collision belt, add titanium dioxide makes string rubber color close with cover color, do not affect the appearance, and in rubber anti-collision belt, added colloid isocyanic ester, make sticking effect better, finally just carry out coating film treatment, crashproof band is made more to be difficult to find, protective film coating is increased outward at aluminium film, delay the easily oxidizable of aluminium film, well solve above-mentioned problem, add the brightness of car light, improve safety performance, and extend its work-ing life.
Embodiment
Embodiment one:
(1) starting material prepare: polyvinyl chloride 10kg, PC plastics 35kg, talcum powder 12kg, vinyl cyanide 8kg, 1,3-butadiene 11kg and vinylbenzene 21kg.
(2) mixing moulding: by polyvinyl chloride, PC plastics, talcum powder, vinyl cyanide, 1,3-divinyl, mass parts and vinylbenzene are placed in high-speed mixer and mixing 18, the mixture obtained is joined in twin screw extruder, described twin screw extruder is at 250 DEG C, under 500rpm condition, after mixture melting, extrude particle.
(3) dry: the particle in step (2) is placed in baking oven 4 hours, temperature time dry remains on 120 DEG C.
(4) model preparation: select suitable model preparation injection moulding as required.
(5) injection moulding: the particle after drying is joined in injection moulding machine, carries out injection moulding and obtain lampshade model.
(6) cooling and demolding: complete by its demoulding in 1min in injection moulding, obtained lampshade model;
(7) adhesive tape is prepared:
A, polyisoprene rubber, titanium dioxide, stearic acid, isocyanic ester are carried out mixing 30min at mixing roll and obtain molten slurry, the condition of mixing roll is 11MPa, in 210 DEG C;
B, slurry molten in a step is flowed through in rectangular mould, obtained strip adhesive tape; Wherein, polyisoprene rubber contains 92wt%, titanium dioxide 3wt%, stearic acid 0.1wt%, isocyanic ester 0.5wt%;
(8) compound of adhesive tape and lampshade: use water, ethanol, acetone wiping lampshade and crashproof tape surface successively, first dip a small amount of isocyanate glue and pregelatinated 3min is carried out to crashproof adhesive tape, be coated with last layer uniform isocyanate glue at tape surface again, crashproof adhesive tape is bonded on lampshade along the edge of the corresponding bulb position of lampshade;
(9) coating on lampshade: activate and clean at vacuum chamber the cover surface being compounded with adhesive tape, at its plated surface last layer aluminium film.
In the present embodiment, described in step (2), the temperature of high mixer is at 300-380 DEG C, and pressure is 13MPa; Described in step (8), the thickness of adhesive tape is 3mm, width is 2.5mm, in step (5), injection moulding process is divided into two sections: injection moulding under 66Mpa condition, injection time is 4s, when being injected into the half of product, then in the injection moulding of 60Mpa condition, inject time is 3s, complete to product injection moulding, in step (8), the thickness of isocyanate glue is 0.1mm.The treatment time of step (9) is 100s, and the vacuum tightness in vacuum chamber reaches 20Pa, and the thickness of described aluminium plating film is 1 μm.
Embodiment two:
(1) starting material prepare: polyvinyl chloride 11kg, PC plastics 39kg mass parts, talcum powder 13.5kg mass parts, vinyl cyanide 9kg, 1,3-butadiene 13kg mass parts and vinylbenzene 23kg.
(2) mixing moulding: by polyvinyl chloride, PC plastics, talcum powder, vinyl cyanide, 1,3-divinyl, mass parts and vinylbenzene are placed in high-speed mixer and mixing 19min, the mixture obtained is joined in twin screw extruder, described twin screw extruder is at 265 DEG C, under 500rpm condition, after mixture melting, extrude particle.
(3) dry: the particle in step (2) is placed in baking oven 5 hours, temperature time dry remains on 135 DEG C.
(4) model preparation: select suitable model preparation injection moulding as required.
(5) injection moulding: the particle after drying is joined in injection moulding machine, carries out injection moulding and obtain lampshade model.
(6) cooling and demolding: complete by its demoulding in 1.5min in injection moulding, obtained lampshade model;
(7) adhesive tape is prepared:
A, polyisoprene rubber, titanium dioxide, stearic acid, isocyanic ester are carried out mixing 30min at mixing roll and obtain molten slurry, the condition of mixing roll is 12MPa, in 225 DEG C;
B, slurry molten in a step is flowed through in rectangular mould, obtained strip adhesive tape; Wherein, polyisoprene rubber contains 94wt%, titanium dioxide 4wt%, stearic acid 1wt%, isocyanic ester 0.8wt%;
(8) compound of adhesive tape and lampshade: use water, ethanol, acetone wiping lampshade and crashproof tape surface successively, first dip a small amount of isocyanate glue and pregelatinated 4min is carried out to crashproof adhesive tape, be coated with last layer uniform isocyanate glue at tape surface again, crashproof adhesive tape is bonded on lampshade along the edge of the corresponding bulb position of lampshade;
(9) coating on lampshade: activate and clean at vacuum chamber the cover surface being compounded with adhesive tape, at its plated surface last layer aluminium film.
In the present embodiment, described in step (2), the temperature of high mixer is at 350 DEG C, and pressure is 15MPa, and described in step (8), the thickness of adhesive tape is 3.5mm, and width is 2.8mm; In step (5), injection moulding process is divided into two sections: injection moulding under 66Mpa condition, injection time is 5s, and when being injected into the half of product, then in the injection moulding of more than 60Mpa condition, inject time is 3.5s, completes to product injection moulding.In step (8), the thickness of isocyanate glue is 0.1mm, and the treatment time of step (9) is 100s, and the vacuum tightness in vacuum chamber reaches 25Pa, and the thickness of described aluminium plating film is 1.5 μm.
Embodiment three:
A kind of car light lampshade of the present invention preparation technology, is characterized in that: comprise the steps:
(1) starting material prepare: polyvinyl chloride 13kg, PC plastics 43kg, talcum powder 15kg, vinyl cyanide 10kg, 1,3-butadiene 15kg and vinylbenzene 25kg.
(2) mixing moulding: by polyvinyl chloride, PC plastics, talcum powder, vinyl cyanide, 1,3-divinyl, mass parts and vinylbenzene are placed in high-speed mixer and mixing 20min, the mixture obtained is joined in twin screw extruder, described twin screw extruder is at 280 DEG C, under 500rpm condition, after mixture melting, extrude particle.
(3) dry: the particle in step (2) is placed in baking oven 6 hours, temperature time dry remains on 150 DEG C.
(4) model preparation: select suitable model preparation injection moulding as required.
(5) injection moulding: the particle after drying is joined in injection moulding machine, carries out injection moulding and obtain lampshade model.
(6) cooling and demolding: complete by its demoulding in 2min in injection moulding, obtained lampshade model;
(7) adhesive tape is prepared:
A, polyisoprene rubber, titanium dioxide, stearic acid, isocyanic ester are carried out mixing 30min at mixing roll and obtain molten slurry, the condition of mixing roll is 13MPa, in 240 DEG C;
B, slurry molten in a step is flowed through in rectangular mould, obtained strip adhesive tape; Wherein, polyisoprene rubber contains 95wt%, titanium dioxide 5wt%, stearic acid 2wt%, isocyanic ester 1wt%;
(8) compound of adhesive tape and lampshade: use water, ethanol, acetone wiping lampshade and crashproof tape surface successively, first dip a small amount of isocyanate glue and pregelatinated 5min is carried out to crashproof adhesive tape, be coated with last layer uniform isocyanate glue at tape surface again, crashproof adhesive tape is bonded on lampshade along the edge of the corresponding bulb position of lampshade;
(9) coating on lampshade: activate and clean at vacuum chamber the cover surface being compounded with adhesive tape, at its plated surface last layer aluminium film.
In the present embodiment, described in step (2), the temperature of high mixer is at 380 DEG C, and pressure is 17MPa; Described in step (8), the thickness of adhesive tape is 4mm, and width is 3mm; In step (5), injection moulding process is divided into two sections: injection moulding under 72Mpa condition, injection time is 6s, when being injected into the half of product, again in the injection moulding of 70Mpa condition, inject time is 4s, completes to product injection moulding, in step (8), the thickness of isocyanate glue is 0.1mm, the treatment time of step (9) is 100s, and the vacuum tightness in vacuum chamber reaches 22Pa, and the thickness of described aluminium plating film is 2 μm.
Compare in above three kinds of embodiments, be directed to the starting material of different mass, need in the present invention to use different pressure and temperature, this needs producers to accumulate gradually experience, in these three kinds of embodiments, embodiment and the lampshade produced meet the requirements most, and the crackle of cover surface is less, adopts the lampshade that lamp lampshade preparation technology of the present invention produces, well solve above-mentioned problem, add the brightness of car light, improve safety performance, and extend its work-ing life.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (6)
1.
a kind of car light lampshade preparation technology, it is characterized in that: comprise the steps:
(1) starting material prepare: polyvinyl chloride 10-13 mass parts, PC plastics 35-43 mass parts, talcum powder 12-15 mass parts, vinyl cyanide 8-10 mass parts, 1,3-butadiene 11-15 mass parts and vinylbenzene 21-25 mass parts;
(2) mixing moulding: by polyvinyl chloride, PC plastics, talcum powder, vinyl cyanide, 1,3-divinyl, mass parts and vinylbenzene are placed in high-speed mixer and mixing 18-20min, the mixture obtained is joined in twin screw extruder, described twin screw extruder is at 250-280 DEG C, under 500rpm condition, after mixture melting, extrude particle;
(3) dry: the particle in step (2) is placed in baking oven 4-6 hour, temperature time dry remains on 120-150 DEG C;
(4) model preparation: select suitable model preparation injection moulding as required;
(5) injection moulding: the particle after drying is joined in injection moulding machine, carries out injection moulding and obtain lampshade model;
(6) cooling and demolding: complete by its demoulding in 1min-2min in injection moulding, obtained lampshade model;
(7) adhesive tape is prepared:
A, polyisoprene rubber, titanium dioxide, stearic acid, isocyanic ester are carried out mixing 30min at mixing roll and obtain molten slurry, the condition of mixing roll is in 11-13MPa, 210-240 DEG C;
B, slurry molten in a step is flowed through in rectangular mould, obtained strip adhesive tape; Wherein, polyisoprene rubber contains 92-95wt%, titanium dioxide 3-5wt%, stearic acid 0.1-2wt%, isocyanic ester 0.5-1wt%;
(8) compound of adhesive tape and lampshade: use water, ethanol, acetone wiping lampshade and crashproof tape surface successively, first dip a small amount of isocyanate glue and pregelatinated 3-5min is carried out to crashproof adhesive tape, be coated with last layer uniform isocyanate glue at tape surface again, crashproof adhesive tape is bonded on lampshade along the edge of the corresponding bulb position of lampshade;
(9) coating on lampshade: activate and clean at vacuum chamber the cover surface being compounded with adhesive tape, at its plated surface last layer aluminium film.
2.
according to claimdescribed in 1
a kind of car light lampshade preparation technology, it is characterized in that, described in step (2), the temperature of high mixer is at 300-380 DEG C, and pressure is 13-17MPa.
3.
according to claimdescribed in 1
a kind of car light lampshade preparation technology, it is characterized in that, described in step (8), the thickness of adhesive tape is 3-4mm, and width is 2.5-3mm.
4.
according to claimdescribed in 1
a kind of car light lampshade preparation technology, it is characterized in that, in step (5), injection moulding process is divided into two sections: injection moulding under 66-72Mpa condition, injection time is 4-6s, and when being injected into the half of product, then in the injection moulding of 60-70Mpa condition, inject time is 3-4s, completes to product injection moulding.
5.
according to claimdescribed in 1
a kind of car light lampshade preparation technology, it is characterized in that, in step (8), the thickness of isocyanate glue is 0.1mm.
6.
according to claimdescribed in 1
a kind of car light lampshade preparation technology, it is characterized in that, the treatment time of step (9) is 100s, and the vacuum tightness in vacuum chamber reaches 20-30Pa, and the thickness of described aluminium plating film is 1-2 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510842119.8A CN105440625A (en) | 2015-11-29 | 2015-11-29 | Preparation process of lampshade of car lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510842119.8A CN105440625A (en) | 2015-11-29 | 2015-11-29 | Preparation process of lampshade of car lamp |
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| CN105440625A true CN105440625A (en) | 2016-03-30 |
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| CN201510842119.8A Pending CN105440625A (en) | 2015-11-29 | 2015-11-29 | Preparation process of lampshade of car lamp |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641953A (en) * | 2016-09-30 | 2017-05-10 | 捷讯精密橡胶（苏州）有限公司 | Preparation process of automobile lamp outer cover |
| CN107418098A (en) * | 2017-07-26 | 2017-12-01 | 界首市绿暄照明科技有限公司 | A kind of high transmission rate polyvinyl chloride lampshade and preparation method thereof |
| CN109605653A (en) * | 2018-10-11 | 2019-04-12 | 上海德罕电子科技有限公司 | A kind of processing technology of automobile logo plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148438A (en) * | 2013-01-16 | 2013-06-12 | 张海峰 | Light-emitting/transmitting plastic lampshade and manufacture method thereof |
| CN104552965A (en) * | 2013-10-18 | 2015-04-29 | 丹阳市中远车灯有限公司 | Preparation technology of automobile lamp cover |
-
2015
- 2015-11-29 CN CN201510842119.8A patent/CN105440625A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148438A (en) * | 2013-01-16 | 2013-06-12 | 张海峰 | Light-emitting/transmitting plastic lampshade and manufacture method thereof |
| CN104552965A (en) * | 2013-10-18 | 2015-04-29 | 丹阳市中远车灯有限公司 | Preparation technology of automobile lamp cover |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641953A (en) * | 2016-09-30 | 2017-05-10 | 捷讯精密橡胶（苏州）有限公司 | Preparation process of automobile lamp outer cover |
| CN106641953B (en) * | 2016-09-30 | 2019-05-07 | 捷讯精密橡胶（苏州）有限公司 | A kind of preparation process of automobile lamp outer cover |
| CN107418098A (en) * | 2017-07-26 | 2017-12-01 | 界首市绿暄照明科技有限公司 | A kind of high transmission rate polyvinyl chloride lampshade and preparation method thereof |
| CN109605653A (en) * | 2018-10-11 | 2019-04-12 | 上海德罕电子科技有限公司 | A kind of processing technology of automobile logo plate |
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