CN112259014A - Self-adhesive light-storing luminous label for high-voltage bare wire - Google Patents
Self-adhesive light-storing luminous label for high-voltage bare wire Download PDFInfo
- Publication number
- CN112259014A CN112259014A CN202011319135.6A CN202011319135A CN112259014A CN 112259014 A CN112259014 A CN 112259014A CN 202011319135 A CN202011319135 A CN 202011319135A CN 112259014 A CN112259014 A CN 112259014A
- Authority
- CN
- China
- Prior art keywords
- layer
- film
- adhesive
- self
- back glue
- 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
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/062—Copolymers with monomers not covered by C09D133/06
- C09D133/064—Copolymers with monomers not covered by C09D133/06 containing anhydride, COOH or COOM groups, with M being metal or onium-cation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous paints
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- 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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/334—Applications of adhesives in processes or use of adhesives in the form of films or foils as a label
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Laminated Bodies (AREA)
Abstract
The invention belongs to the technical field of light-storing luminous markers, and particularly relates to a self-adhesive light-storing luminous label for a high-voltage bare wire. The fluorescent adhesive is formed by sticking a multilayer structure and sequentially comprises a protective layer, a supporting layer, a fluorescent layer, a reflecting layer, a back adhesive layer and an insulating layer from outside to inside; the luminescent layer and the reflective layer are bonded by adopting an epoxy adhesive; the back glue layer is formed by back glue coated on the reflecting layer; the insulating layer is arranged in the middle of the back glue layer or at the mounting position; also comprises release paper covered on the back glue layer and the insulating layer. The invention utilizes a group of labels which are self-adhered and arranged on the appointed power transmission line, does not need an external power supply, fully absorbs light energy in daylight in the daytime and stores the light energy, and continuously emits fluorescence at night; scientific materials and structural design are utilized to ensure that the label has excellent light absorption efficiency, luminous efficiency, installation convenience and use stability; it has fastness and macroscopic identifiability.
Description
Technical Field
The invention belongs to the technical field of light-storing luminous markers, and particularly relates to a self-adhesive light-storing luminous label for a high-voltage bare wire.
Background
An electric transmission line of an electric power system is important equipment for transmitting electric energy, and an event that the electric transmission line is damaged by external force of large-scale machinery such as cranes, pump trucks and the like is always the key point of power supply enterprises in transmission operation and maintenance work. The high-voltage transmission line can be obviously discovered in the daytime, but is difficult to be discovered at night due to insufficient light. In some sections crossing roads or rivers, once a crane, a pump truck and other machines are constructed near the high-voltage line at night, the machine operators can hardly find the upper high-voltage line, so that the high-voltage line is easy to discharge to the machines, and the power grid is tripped, and the life safety of the operators below is even threatened.
At present, power supply enterprises do not have a scheme for reminding the power transmission line at night in a targeted manner. The current exploring method is to install a light-emitting lighting device on the high-voltage line for reminding. The biggest problem of this scheme lies in lighting apparatus's the electricity scheme of getting, and current scheme is installation solar energy electroplax and battery on the wire, nevertheless installs solar energy electroplax and battery additional on the wire after, has increased the wire load, and need use anchor clamps fixed equipment, and the wire is because reasons such as wind-force and anchor clamps repeated friction easily arouse outer aluminium wire part wearing and tearing at the operation in-process. And in addition, once the lighting equipment is damaged, the lighting equipment needs to be electrified for overhaul, and the maintenance cost is high.
Disclosure of Invention
An object of the application is to provide a low-cost effectual, can improve high voltage transmission line's discernment at night, reduce the power transmission line of crossing road or river and touched or the risk of crashing by the engineering machine of operation at night and the superstand car and boat of going with of self-adhesion light storage nature night light label for the bare wire of high pressure.
In order to achieve the purpose, the following technical scheme is adopted in the application.
A self-adhesive luminous label for high-voltage bare wires is formed by sticking a multilayer structure and sequentially comprises a protective layer 1, a supporting layer 2, a fluorescent layer 4, a reflective layer 4, a back glue layer 5 and an insulating layer 6 from outside to inside; the luminescent layer and the reflecting layer 4 are bonded by epoxy adhesive; the back glue layer 5 is formed by back glue coated on the reflecting layer 4; the insulating layer 6 is arranged in the middle of the back glue layer 5 or at the installation position; also comprises a release paper 7 which covers the back glue layer and the insulating layer.
The self-adhesive luminous label for the high-voltage bare wire is further improved or optimized, and the adhesive film is made of polyester, polycarbonate, acrylic resin, polylactic acid or polyvinyl chloride; the reflecting layer 4 is made of zinc sulfide based luminous powder, rare earth compound based luminous powder or rare earth modified aluminic acid based fluorescent powder; the supporting layer 2 is made of a high-transparency Polyethylene (PE) film, a high-transparency polyvinyl chloride (PVC) film, a high-transparency acrylic resin film, a polyester polyethylene terephthalate (PET) film or a Polycarbonate (PC) film; the material of the adhesive film is polyester, polycarbonate, acrylic resin, polylactic acid or polyvinyl chloride.
The self-adhesive luminous label for the high-voltage bare wires is further improved or optimized, and a string of continuous or discontinuous label belts is formed at the appointed position of the power transmission line by combining labels with different colors into a string.
A method for manufacturing a self-adhesive luminous label for a high-voltage bare wire comprises the following steps:
firstly, a Polyethylene (PE) film, a polyvinyl chloride (PVC) film, an acrylic resin film, a polyester polyethylene terephthalate (PET) film or a Polycarbonate (PC) film with high transparency is used for preparing a protective layer 1;
secondly, a PE/PET composite film made of a PE film with the thickness of 40 microns and a PET film with the thickness of 14 microns is used as a supporting layer 2;
thirdly, adding 100 parts by weight of noctilucent powder, 20 parts by weight of glass beads and 4 parts by weight of chopped glass fibers into glue, stirring and dispersing to prepare fluorescent liquid; the ratio of acrylic resin to polyurethane resin in the glue is 100: 15;
fourthly, preparing the fluorescent layer 4 coating with 50 percent of solid content by using 200-mesh 250-mesh yellow-green noctilucent powder and a solution of butyl acrylate/butyl methacrylate/acrylic acid (the molar ratio is 40: 50: 10) in ethyl acetate;
preparing a reflecting layer 4 by using a vacuum aluminized PET film;
sixthly, using butyl acrylate/butyl methacrylate/acrylic acid, wherein the molar ratio is 45: 45: 10 adding the solution into ethyl acetate to prepare a glue;
seventhly, manufacturing an insulating layer 6 by using a PVC insulating film;
uniformly coating the fluorescent liquid on the inner side surface of the support layer 2, and drying at 20-70 ℃ to prepare a fluorescent layer 4; a reflecting layer 4 is pasted on the fluorescent layer 4 through an epoxy adhesive, and the reflecting layer 4 is coated with a film and glue to form a back glue layer 5; arranging an insulating layer 6 in the middle section of the back glue layer 5; sticking release paper 7 on the inner sides of the back glue layer 5 and the insulating layer 6; and finally, cutting to a required size and shape to ensure that the insulating glue is transversely arranged in the middle of the label.
The beneficial effects are that:
the invention utilizes a group of labels which are self-adhered and arranged on the appointed power transmission line, does not need an external power supply, fully absorbs light energy in daylight in the daytime and stores the light energy, and continuously emits fluorescence at night; scientific materials and structural design are utilized to ensure that the label has excellent light absorption efficiency, luminous efficiency, installation convenience and use stability; it has fastness and macroscopic identifiability.
Drawings
FIG. 1 is a schematic structural view of a self-adhesive luminous label for high-voltage bare wires;
fig. 2 is a schematic view of the installation of the self-adhesive luminous label for the high-voltage bare wire.
Wherein the reference numerals include:
the fluorescent screen comprises a protective layer 1, a supporting layer 2, a fluorescent layer 3, a reflective layer 4, a back glue layer 5, an insulating layer 6 and release paper 7.
Detailed Description
The present application will be described in detail with reference to specific examples.
A self-adhesive luminous label for high-voltage bare wires is formed by sticking a multilayer structure and sequentially comprises a protective layer 1, a supporting layer 2, a fluorescent layer 3, a reflective layer 4, a back glue layer 5 and an insulating layer 6 from outside to inside; the luminescent layer and the reflecting layer 4 are bonded by epoxy adhesive; the back glue layer 5 is formed by back glue coated on the reflecting layer 4; the insulating layer 6 is arranged in the middle of the back glue layer 5 or at the installation position; also comprises a release paper 7 which covers the back glue layer 5 and the insulating layer.
The self-adhesive luminous label for the high-voltage bare wire is further improved or optimized, and the adhesive film is made of polyester, polycarbonate, acrylic resin, polylactic acid or polyvinyl chloride; the reflecting layer 4 is made of zinc sulfide based luminous powder, rare earth compound based luminous powder or rare earth modified aluminic acid based fluorescent powder; the supporting layer 2 is made of a high-transparency Polyethylene (PE) film, a high-transparency polyvinyl chloride (PVC) film, a high-transparency acrylic resin film, a polyester polyethylene terephthalate (PET) film or a Polycarbonate (PC) film; the material of the adhesive film is polyester, polycarbonate, acrylic resin, polylactic acid or polyvinyl chloride.
The self-adhesive luminous label for the high-voltage bare wires is further improved or optimized, and a string of continuous or discontinuous label belts is formed at the appointed position of the power transmission line by combining labels with different colors into a string.
A method for manufacturing a self-adhesive luminous label for a high-voltage bare wire comprises the following steps:
firstly, a Polyethylene (PE) film, a polyvinyl chloride (PVC) film, an acrylic resin film, a polyester polyethylene terephthalate (PET) film or a Polycarbonate (PC) film with high transparency is used for preparing a protective layer 1;
secondly, a PE/PET composite film made of a PE film with the thickness of 40 microns and a PET film with the thickness of 14 microns is used as a supporting layer 2;
thirdly, adding 100 parts by weight of noctilucent powder, 20 parts by weight of glass beads and 4 parts by weight of chopped glass fibers into glue, stirring and dispersing to prepare fluorescent liquid; the ratio of acrylic resin to polyurethane resin in the glue is 100: 15;
fourthly, preparing the fluorescent layer 4 coating with 50 percent of solid content by using 200-mesh 250-mesh yellow-green noctilucent powder and a solution of butyl acrylate/butyl methacrylate/acrylic acid (the molar ratio is 40: 50: 10) in ethyl acetate;
preparing a reflecting layer 4 by using a vacuum aluminized PET film;
sixthly, using butyl acrylate/butyl methacrylate/acrylic acid, wherein the molar ratio is 45: 45: 10 adding the solution into ethyl acetate to prepare a glue;
seventhly, manufacturing an insulating layer 6 by using a PVC insulating film;
uniformly coating the fluorescent liquid on the inner side surface of the support layer 2, and drying at 20-70 ℃ to prepare a fluorescent layer 4; a reflecting layer 4 is pasted on the fluorescent layer 4 through an epoxy adhesive, and the reflecting layer 4 is coated with a film and glue to form a back glue layer 5; arranging an insulating layer 6 in the middle section of the back glue layer 5; sticking release paper 7 on the inner sides of the back glue layer 5 and the insulating layer 6; and finally, cutting to a required size and shape to ensure that the insulating glue is transversely arranged in the middle of the label.
Aiming at the problem that the high-voltage transmission line cannot be identified at night, the invention provides a solution with low cost and good effect to improve the night identifiability of the high-voltage transmission line and reduce the risk that the transmission line crossing roads or rivers is touched or broken by engineering machinery and a co-operating over-gauge vehicle or ship.
The self-adhesive light-accumulating luminous label for the high-voltage bare wire is installed on a designated power transmission line by utilizing self-adhesion, is reliable and stable in connection, does not need external power supply, fully absorbs light energy and stores under sunlight in the daytime, continuously emits fluorescence at night, can stably exert effects in all weather and for a long time, is light in quality, simple in structure and low in cost, is suitable for various types of structures such as power grid cables, and cannot generate any adverse effect on functions and use of the existing structures.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (4)
1. A self-adhesive luminous label for high-voltage bare wires is characterized by being formed by sticking a multilayer structure and sequentially comprising a supporting layer, an adhesive layer, a fluorescent layer, a reflective layer, a back glue layer and an insulating layer from outside to inside; the luminescent layer and the reflective layer are bonded by adopting an epoxy adhesive; the back glue layer is formed by back glue coated on the reflecting layer; the insulating layer is arranged in the middle of the back glue layer or at the mounting position; also comprises release paper covered on the back glue layer and the insulating layer.
2. The self-adhesive luminous label for the high-voltage bare wires according to claim 1, wherein the adhesive film is made of polyester, polycarbonate, acrylic resin, polylactic acid or polyvinyl chloride; the reflecting layer is made of zinc sulfide based luminous powder, rare earth compound based luminous powder or rare earth modified aluminic acid based fluorescent powder; the supporting layer is made of a high-transparency Polyethylene (PE) film, a high-transparency polyvinyl chloride (PVC) film, a high-transparency acrylic resin film, a polyester polyethylene terephthalate (PET) film or a Polycarbonate (PC) film; the material of the adhesive film is polyester, polycarbonate, acrylic resin, polylactic acid or polyvinyl chloride.
3. The self-adhesive luminous label for the high-voltage bare wires as claimed in claim 1, wherein the self-adhesive luminous label for the high-voltage bare wires is a continuous or discontinuous string of labels at a designated position of the power transmission line by combining different colored labels into a string.
4. A method for manufacturing a self-adhesive luminous label for a high-voltage bare wire is characterized by comprising the following steps:
firstly, a polyethylene PE film, a polyvinyl chloride PVC film, an acrylic resin film, a polyester PET film or a polycarbonate PC film with high transparency is used for preparing a protective layer;
secondly, a PE/PET composite film made of a PE film with the thickness of 40 microns and a PET film with the thickness of 14 microns is used as a supporting layer;
thirdly, adding 100 parts by weight of noctilucent powder, 20 parts by weight of glass beads and 4 parts by weight of chopped glass fibers into glue, stirring and dispersing to prepare fluorescent liquid; the ratio of acrylic resin to polyurethane resin in the glue is 100: 15;
fourthly, preparing the fluorescent layer coating with the solid content of 50 percent by using 200-mesh 250-mesh yellow-green noctilucent powder and a solution of butyl acrylate/butyl methacrylate/acrylic acid (the molar ratio is 40: 50: 10) in ethyl acetate;
preparing a reflecting layer by using a vacuum aluminized PET film;
sixthly, using butyl acrylate/butyl methacrylate/acrylic acid, wherein the molar ratio is 45: 45: 10 adding the solution into ethyl acetate to prepare a glue;
seventhly, manufacturing an insulating layer by using a PVC insulating film;
uniformly coating the fluorescent liquid on the inner side surface of the support layer, and drying at 20-70 ℃ to prepare a fluorescent layer; a reflecting layer is pasted on the fluorescent layer through an epoxy adhesive, and the reflecting layer is coated with a film and glue to form a back glue layer; arranging an insulating layer in the middle section of the back glue layer; sticking release paper on the back glue layer and the inner side of the insulating layer; and finally, cutting to a required size and shape to ensure that the insulating glue is transversely arranged in the middle of the label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011319135.6A CN112259014A (en) | 2020-11-23 | 2020-11-23 | Self-adhesive light-storing luminous label for high-voltage bare wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011319135.6A CN112259014A (en) | 2020-11-23 | 2020-11-23 | Self-adhesive light-storing luminous label for high-voltage bare wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112259014A true CN112259014A (en) | 2021-01-22 |
Family
ID=74225414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011319135.6A Pending CN112259014A (en) | 2020-11-23 | 2020-11-23 | Self-adhesive light-storing luminous label for high-voltage bare wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112259014A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM314403U (en) * | 2006-12-08 | 2007-06-21 | Minghsin University Of Science | Labeling sleeve of electrical wire |
| CN204010593U (en) * | 2014-07-16 | 2014-12-10 | 捷卡（厦门）工业科技有限公司 | Integrate noctilucence and reflective label |
| CN204111655U (en) * | 2014-09-04 | 2015-01-21 | 苏州斯迪克新材料科技股份有限公司 | A kind of insulation fluorescent adhesive tape |
| CN104849784A (en) * | 2015-04-30 | 2015-08-19 | 四川中科倍特尔技术有限公司 | Light storage film without white reflective layer and manufacturing technology |
| CN208362248U (en) * | 2018-05-15 | 2019-01-11 | 昆山玉寰包装材料有限公司 | Self-luminous adhesive tape |
| CN208861624U (en) * | 2018-10-24 | 2019-05-14 | 贵州电网有限责任公司 | A kind of self-radiation mark on power transmission and distribution facility |
| CN110033716A (en) * | 2019-04-26 | 2019-07-19 | 泉州市夜景辉反光材料有限公司 | A kind of light storage film and preparation method thereof |
-
2020
- 2020-11-23 CN CN202011319135.6A patent/CN112259014A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM314403U (en) * | 2006-12-08 | 2007-06-21 | Minghsin University Of Science | Labeling sleeve of electrical wire |
| CN204010593U (en) * | 2014-07-16 | 2014-12-10 | 捷卡（厦门）工业科技有限公司 | Integrate noctilucence and reflective label |
| CN204111655U (en) * | 2014-09-04 | 2015-01-21 | 苏州斯迪克新材料科技股份有限公司 | A kind of insulation fluorescent adhesive tape |
| CN104849784A (en) * | 2015-04-30 | 2015-08-19 | 四川中科倍特尔技术有限公司 | Light storage film without white reflective layer and manufacturing technology |
| CN208362248U (en) * | 2018-05-15 | 2019-01-11 | 昆山玉寰包装材料有限公司 | Self-luminous adhesive tape |
| CN208861624U (en) * | 2018-10-24 | 2019-05-14 | 贵州电网有限责任公司 | A kind of self-radiation mark on power transmission and distribution facility |
| CN110033716A (en) * | 2019-04-26 | 2019-07-19 | 泉州市夜景辉反光材料有限公司 | A kind of light storage film and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2805027Y (en) | Luminous cable | |
| CN209657733U (en) | Self-luminous Penetrating Fog sign board | |
| CN202904773U (en) | Intelligent warning device preventing power transmission line from being damaged by external force | |
| CN112259014A (en) | Self-adhesive light-storing luminous label for high-voltage bare wire | |
| US20160155369A1 (en) | Flag apparatus | |
| CN207781126U (en) | A kind of solar electric power equipment dualism number nameplate | |
| CN208250949U (en) | The solar energy luminous controllable warning pile of light-operated led | |
| CN204176541U (en) | A kind of New Type Solar Light | |
| CN103374889A (en) | Solar road block sign | |
| CN202434162U (en) | Transportation safety signboard | |
| CN210244950U (en) | LED luminous warning belt and warning hanger | |
| CN204272420U (en) | A kind of fire-fighting guiding lifesaving lighting line with bidirectional luminescence instruction | |
| CN211738937U (en) | Rotatable obstacle ball | |
| CN208041956U (en) | A kind of continuous solar LED light strip | |
| CN201264534Y (en) | Solar wagon | |
| CN211716450U (en) | Rotatable obstacle ball of solar energy power supply | |
| CN210324888U (en) | Transmission line iron tower denoter | |
| CN215590152U (en) | High-strength luminous composite glass mirror | |
| CN212750303U (en) | Luminous reflective film | |
| CN211815725U (en) | Novel road sign | |
| CN209907263U (en) | Luminous isolating device | |
| CN202466442U (en) | LED (light emitting diode) round road traffic sign | |
| CN202454202U (en) | LED (light-emitting diode) triangular road traffic signboard | |
| CN209328445U (en) | A kind of traffic sign | |
| CN2919430Y (en) | Electronic mark display device using wind and light energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210122 |
|
| RJ01 | Rejection of invention patent application after publication |