CN114063316B - Manufacturing process of carbon fiber glasses leg plate and plate thereof - Google Patents
Manufacturing process of carbon fiber glasses leg plate and plate thereof Download PDFInfo
- Publication number
- CN114063316B CN114063316B CN202111381247.9A CN202111381247A CN114063316B CN 114063316 B CN114063316 B CN 114063316B CN 202111381247 A CN202111381247 A CN 202111381247A CN 114063316 B CN114063316 B CN 114063316B
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- layer
- plate
- paint
- manufacturing
- 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.)
- Active
Links
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 80
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 239000011521 glass Substances 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 49
- 239000003973 paint Substances 0.000 claims abstract description 43
- 239000004744 fabric Substances 0.000 claims abstract description 26
- 238000007639 printing Methods 0.000 claims abstract description 24
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 239000004922 lacquer Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims description 26
- 238000005498 polishing Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 15
- 244000137852 Petrea volubilis Species 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000003738 black carbon Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000002657 fibrous material Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The invention relates to the technical field of glasses supports, in particular to a manufacturing process of a carbon fiber glasses leg plate and the plate thereof, which comprises the following steps: step 1, preparing materials, wherein a plate for manufacturing the glasses bracket comprises carbon fiber woven cloth, carbon fiber prepreg, pet film, primer, toughness paint, lacquer stopping and printing materials; step 2, manufacturing a base layer, cutting the carbon fiber woven cloth by a cutting machine according to a required structure, overlapping two carbon fiber woven cloths with the cut angles in order, and bonding the carbon fiber woven cloths by carbon fiber prepreg to manufacture the base layer; the carbon fiber glasses leg plate has strong toughness, good elasticity, high light transparency and difficult fracture during bending.
Description
Technical Field
The invention relates to the technical field of glasses supports, in particular to a manufacturing process of a carbon fiber glasses leg plate and the plate.
Background
With the continuous improvement of the living standard of people and the development of science and technology, the plate technology has been widely applied to various industries, and the plate is a material with new properties formed by more than two materials with different properties in a physical or chemical way on a macroscopic or microscopic scale, and the characteristics of the different materials are mainly applied to combine to prepare the plate with excellent characteristics; at present, in the industry of manufacturing the glasses bracket, the plate plays a decisive role in the performance of the glasses bracket, the prior art discloses a novel synthetic glasses frame material and a preparation method thereof, and the glasses frame material has excellent mechanical strength, electrical insulation performance, radiation resistance, high and low temperature resistance, flame retardance, fatigue resistance and molding processability through the polyetherimide and the added polyester fiber, carbon fiber and nano boron fiber; however, the carbon fiber glasses leg plate made in the market at present has poor toughness, poor elasticity and heavy appearance, and is easy to break when being bent, so that a new technical scheme is necessary to solve the problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
A manufacturing process of carbon fiber glasses leg plates comprises the following steps:
Step 1, preparing materials, wherein a plate for manufacturing the glasses bracket comprises carbon fiber woven cloth, carbon fiber prepreg, pet film, primer, toughness paint, lacquer stopping and printing materials;
Step 2, manufacturing a base layer, cutting the carbon fiber woven cloth by a cutting machine according to a required structure, overlapping two carbon fiber woven cloths with the cut angles in order, and bonding the carbon fiber woven cloths by carbon fiber prepreg to manufacture the base layer;
Step 3, attaching a glue layer, manufacturing a rubberizing yarn material, attaching a pet film to a base layer, attaching the base layer tightly without bubbles, cutting according to the size after attaching, putting the base layer into a mould after cutting, performing high-temperature hot-press forming at 150+/-5 ℃, putting the mould on a cooling table for cooling at 40+/-5 ℃ after 30 minutes, and taking out the base layer after cooling for 10 minutes to prepare the rubberizing yarn material;
Step 4, attaching a tough paint layer, manufacturing a preliminary board, polishing the rubberized yarn material manufactured in the step 3 by using a polisher, cleaning the surface of the rubberized yarn material, baking the rubberized yarn material in an oven for 30 minutes at the temperature of 80 ℃, spraying primer on the rubberized yarn material after baking, spraying the rubberized yarn material and the primer according to the proportion of 1:0.6, uniformly spraying special tough paint, baking the rubberized yarn material in the oven for 180 minutes again after spraying, controlling the temperature at 80 ℃, and cooling the rubberized yarn material after baking to manufacture the preliminary board;
And 5, attaching a printing layer to prepare a finished plate, polishing the preliminary plate in the step 4 by using a vibration mill, cleaning the surface of the polished plate for oil stain, spraying paint for stopping, attaching printing materials, spraying tough paint again after attaching the printing materials, placing the plate into an oven for baking for 180 minutes, controlling the temperature at 80 ℃, and cooling after baking is finished to prepare the finished plate.
Preferably, after the base layer on which the pet film is stuck is placed in a mould, preheating is carried out for 20s-40s, so that the pet film is preheated and softened, and then mould closing is carried out for high-temperature hot press forming.
Preferably, in the step 4, when the sander is used for sanding, 320 # sand paper is adopted for sanding; before the primer is sprayed, grinding is carried out by using No. 600 sand paper, sand grains are removed after grinding, and then spraying is carried out, so that the primer is sprayed more than four times continuously, and the spraying of the primer is completed.
Preferably, in the step 5, when the vibration mill polishes, the 320 # abrasive paper is used for uniformly polishing the surface according to the thickness, the 400 # abrasive paper is used for polishing, and finally the 600 # abrasive paper is used for water milling.
The carbon fiber glasses leg plate comprises the plate manufactured by the manufacturing process of the carbon fiber glasses leg plate, wherein the effective length of the plate is larger than 350mm, the effective width of the plate is larger than 180mm, and the plate comprises a first flexible paint layer, a first printing layer, a first paint stopping layer, a second flexible paint layer, a first primer layer, a first pet film, a base layer, a second pet film, a second primer layer, a third flexible paint layer, a second paint stopping layer, a second printing layer and a fourth flexible paint layer from top to bottom.
Preferably, the base layer comprises two layers of carbon fiber woven cloth and a carbon fiber prepreg layer bonded to the carbon fiber woven cloth, and the carbon fiber woven cloth is made of black carbon fiber materials or silver glass fiber materials.
Compared with the prior art, the invention has the beneficial effects that:
The carbon fiber glasses leg plate is manufactured by adopting carbon fiber prepreg, carbon fiber woven cloth, pet film, primer, toughness paint, lacquer and printing material, wherein the carbon fiber prepreg is resin, has the characteristics of difficult deformation and folding resistance, the carbon fiber woven cloth has the characteristics of plasticity and stretching resistance, after the carbon fiber prepreg and the carbon fiber woven cloth are combined, the base layer has the characteristics of strong toughness and difficult fracture, the pet film has the characteristics of strong adhesive force, high transparency and high brightness, and has good film property and corrosion resistance, the base layer can be protected, and the carbon fiber woven cloth is manufactured by adopting black carbon fiber materials or silver glass fiber materials, and can meet the requirements of different customers according to the product requirements; the primer layer plays a transition role, so that the pet film and the tough paint can be tightly combined, the pet film is attached, high-temperature hot-press forming is adopted, preheating is carried out before the high-temperature hot-press forming, the pet film is preheated and softened, and then the high-temperature hot-press forming is carried out by die closing, so that wrinkles are prevented in the hot-press process; the tough paint layer has stronger elasticity and film forming property, and has strong high-gloss transparency, the attached printing layer has the effect of enhancing the attractive degree, and the high-gloss transparency is strong, so that the carbon fiber glasses leg plate has strong toughness, good elasticity and high-gloss transparency after being sprayed on the surface, and is not easy to break when being bent.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a block flow diagram of the fabrication process of the present invention;
Fig. 2 is a schematic diagram of the hierarchical structure of the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, in an embodiment of the invention, a process for manufacturing a carbon fiber earpiece plate includes the following steps:
Step 1, preparing materials, wherein a plate for manufacturing the glasses bracket comprises carbon fiber woven cloth, carbon fiber prepreg, pet film, primer, toughness paint, lacquer stopping and printing materials;
Step 2, manufacturing a base layer, cutting the carbon fiber woven cloth by a cutting machine according to a required structure, overlapping two carbon fiber woven cloths with the cut angles in order, manufacturing the carbon fiber woven cloth by a black carbon fiber material or a silver glass fiber material according to the product requirement, and bonding the carbon fiber woven cloths by a carbon fiber prepreg after the carbon fiber woven cloths are overlapped in order to manufacture the base layer;
step 3, attaching a glue layer, manufacturing a rubberizing yarn material, attaching a pet film to a base layer, attaching the base layer tightly without bubbles, cutting according to the size after attaching the base layer, placing the base layer attached with the pet film into a mould after cutting, and carrying out high-temperature hot press molding, specifically, placing the base layer attached with the pet film into the mould, preheating for 20s-40s, preheating the pet film to soften, closing the mould, carrying out high-temperature hot press molding, preventing wrinkles in the hot press molding process, controlling the temperature between 150 ℃ plus or minus 5 ℃ in the high-temperature hot press molding process, placing the mould on a cooling table for cooling after 30 minutes, cooling at 40 ℃ plus or minus 5 ℃ for 10 minutes, and taking out the mould to prepare the rubberizing yarn material;
Step 4, attaching a tough paint layer, manufacturing a preliminary board, polishing the rubberized yarn material manufactured in the step 3 by using a polisher, cleaning surface oil stain after polishing by adopting No. 320 sand paper, putting into an oven for baking for 30 minutes, controlling the temperature at 80 ℃, spraying primer on the rubberized yarn material after baking, when spraying the primer, spraying the rubberized yarn material and the primer according to the proportion of 1:0.6, firstly polishing by using No. 600 sand paper, polishing, removing sand grains, and then spraying, continuously spraying for more than four times in the way, enabling the primer layer to have a hierarchical structure, improving the stretching and bending degree of the primer layer, uniformly spraying special tough paint after spraying the primer, putting into the oven for baking for 180 minutes again after spraying, controlling the temperature at 80 ℃, and cooling after baking to manufacture the preliminary board;
And 5, attaching a printing layer, manufacturing a finished board, in order to ensure smooth attachment of the printing layer, polishing the surface of the toughness paint sprayed in the step 4, uniformly polishing the surface by using No. 320 sand paper according to the thickness, polishing by using No. 400 sand paper, finally performing water grinding by using No. 600 sand paper, ensuring smooth surface of the toughness paint, filling the surface by paint, attaching printing materials, spraying the toughness paint again after attaching the printing materials, placing the coated board in an oven for baking for 180 minutes after spraying the toughness paint again, controlling the temperature to be 80 ℃, and cooling after baking is completed, thus manufacturing the finished board.
In the technical means, the carbon fiber glasses leg plate is manufactured by adopting the carbon fiber prepreg, the carbon fiber woven cloth, the pet film, the primer, the tough paint, the lacquer stopping and the printing material, wherein the carbon fiber prepreg is resin, has the characteristics of difficult deformation and folding resistance, the carbon fiber woven cloth has the characteristics of plasticity and stretching resistance, after the carbon fiber woven cloth and the carbon fiber woven cloth are combined, the base layer has the characteristics of strong toughness and difficult fracture, the pet film has the characteristics of strong adhesive force, high transparency and high brightness, the film property is good and corrosion resistant, the base layer can be protected, the primer layer has the transitional effect, the pet film and the tough paint can be tightly combined, the tough paint layer has the advantages of strong elasticity and film forming property, the high-light transparency is strong, the printing layer can be adhered to the effect of enhancing the attractive degree, the high-light is strong, and the carbon fiber glasses leg plate is strong in toughness, good in elasticity, high-light transparency and difficult fracture when being bent after being sprayed on the surface.
Referring to fig. 2, in an embodiment of the present invention, a carbon fiber earpiece plate includes a plate made by the above-mentioned manufacturing process of a carbon fiber earpiece plate, where an effective length of the plate is greater than 350mm, an effective width of the plate is greater than 180mm, and the plate includes a first tough paint layer 1, a first printing layer 2, a first finishing paint layer 3, a second tough paint layer 4, a first primer layer 5, a first pet film 6, a base layer, a second pet film 7, a second primer layer 8, a third tough paint layer 9, a second finishing paint layer 10, a second printing layer 11, and a fourth tough paint layer 12 from top to bottom.
Preferably, the base layer comprises two layers of carbon fiber woven cloth 13 and a carbon fiber prepreg layer 14 bonded to the carbon fiber woven cloth 13, and the carbon fiber woven cloth is made of a black carbon fiber material or a silver glass fiber material.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The manufacturing process of the carbon fiber glasses leg plate is characterized by comprising the following steps of:
Step 1, preparing materials, wherein a plate for manufacturing the glasses bracket comprises carbon fiber woven cloth, carbon fiber prepreg, pet film, primer, toughness paint, lacquer stopping and printing materials;
Step 2, manufacturing a base layer, cutting the carbon fiber woven cloth by a cutting machine according to a required structure, overlapping two carbon fiber woven cloths with the cut angles in order, and bonding the carbon fiber woven cloths by carbon fiber prepreg to manufacture the base layer;
Step 3, attaching a glue layer, manufacturing a rubberizing yarn material, attaching a pet film to a base layer, attaching the base layer tightly without bubbles, cutting according to the size after attaching, putting the base layer into a mould after cutting, performing high-temperature hot-press forming at 150+/-5 ℃, putting the mould on a cooling table for cooling at 40+/-5 ℃ after 30 minutes, and taking out the base layer after cooling for 10 minutes to prepare the rubberizing yarn material;
Step 4, attaching a tough paint layer, manufacturing a preliminary board, polishing the rubberized yarn material manufactured in the step 3 by using a polisher, cleaning the surface of the rubberized yarn material, baking the rubberized yarn material in an oven for 30 minutes at the temperature of 80 ℃, spraying primer on the rubberized yarn material after baking, spraying the rubberized yarn material and the primer according to the proportion of 1:0.6, uniformly spraying special tough paint, baking the rubberized yarn material in the oven for 180 minutes again after spraying, controlling the temperature at 80 ℃, and cooling the rubberized yarn material after baking to manufacture the preliminary board;
And 5, attaching a printing layer to prepare a finished plate, polishing the preliminary plate in the step 4 by using a vibration mill, cleaning the surface of the polished plate for oil stain, spraying paint for stopping, attaching printing materials, spraying tough paint again after attaching the printing materials, placing the plate into an oven for baking for 180 minutes, controlling the temperature at 80 ℃, and cooling after baking is finished to prepare the finished plate.
2. The process for manufacturing the carbon fiber glasses leg plate according to claim 1, wherein after the base layer on which the pet film is attached is placed in a die, preheating is carried out for 20s-40s, the pet film is preheated and softened, and then the die is closed for high-temperature hot press molding.
3. The process for manufacturing the carbon fiber glasses leg plate according to claim 1, wherein in the step 4, when a grinder is used for grinding, 320 # sand paper is used for grinding; before the primer is sprayed, grinding is carried out by using No. 600 sand paper, sand grains are removed after grinding, and then spraying is carried out, so that the primer is sprayed more than four times continuously, and the spraying of the primer is completed.
4. The process for manufacturing the carbon fiber glasses leg plate according to claim 1, wherein in the step 5, when a vibration mill is used for polishing, 320 # abrasive paper is used for uniformly polishing the surface according to the thickness, 400 # abrasive paper is used for polishing, and 600 # abrasive paper is used for water milling.
5. A carbon fiber glasses leg board, comprising the board made by the manufacturing process of the carbon fiber glasses leg board according to any one of claims 1-4, wherein the effective length of the board is greater than 350mm, the effective width of the board is greater than 180mm, and the board comprises a first tough paint layer, a first printing layer, a first paint stopping layer, a second tough paint layer, a first primer layer, a first pet film, a base layer, a second pet film, a second primer layer, a third tough paint layer, a second paint stopping layer, a second printing layer and a fourth tough paint layer from bottom to top.
6. The carbon fiber glasses leg board according to claim 5, wherein the base layer comprises two layers of carbon fiber woven cloth and a carbon fiber prepreg layer bonded to the carbon fiber woven cloth, and the carbon fiber woven cloth is made of black carbon fiber material or silver glass fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111381247.9A CN114063316B (en) | 2021-11-20 | Manufacturing process of carbon fiber glasses leg plate and plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111381247.9A CN114063316B (en) | 2021-11-20 | Manufacturing process of carbon fiber glasses leg plate and plate thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114063316A CN114063316A (en) | 2022-02-18 |
| CN114063316B true CN114063316B (en) | 2024-06-21 |
Family
ID=
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970473A (en) * | 2017-05-22 | 2017-07-21 | 温州市佳宏眼镜厂 | A kind of carbon fiber leg of spectacles and its preparation technology |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970473A (en) * | 2017-05-22 | 2017-07-21 | 温州市佳宏眼镜厂 | A kind of carbon fiber leg of spectacles and its preparation technology |
Non-Patent Citations (1)
| Title |
|---|
| 板材眼镜断口形貌观察和断裂分析;喻恒沛;;装备环境工程;20110415(第02期);全文 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105153638A (en) | Fiber reinforced plastic and method for producing sculpture from fiber reinforced plastic | |
| CN110774183B (en) | Ultrathin and ultra-soft smooth abrasive cloth and production process thereof | |
| CN114063316B (en) | Manufacturing process of carbon fiber glasses leg plate and plate thereof | |
| CN108249816B (en) | Production process, product and mold of quartz stone slab with convex-concave patterns | |
| CN109703061B (en) | Carbon fiber hand plate and preparation method thereof | |
| CN1259187C (en) | Method for fabricating composite body of optical glasses applied in polarized light | |
| CN1293106A (en) | Method for reforming thermoplastic thin sheet, its device and system | |
| CN105833492B (en) | Gram racket and preparation method thereof | |
| CN114063316A (en) | Carbon fiber glasses leg plate and manufacturing process thereof | |
| CN107232768A (en) | A kind of carbon fiber tea tray or tea table | |
| CN101334532A (en) | Polarized resin optical lens and its fabrication process | |
| EP3016800A1 (en) | Coloured carbon-fibre composite materials | |
| CN113478946A (en) | Repairing method of sandwich composite material plate | |
| CN113185839A (en) | High-temperature-resistant silica gel, silica gel roller and processing technology thereof | |
| CN105643996A (en) | Thermoplastic honeycomb plate and preparation method thereof | |
| JP6697863B2 (en) | Decorative product manufacturing method, decorative product repair method, transfer member, and decorative kit | |
| CN115351928B (en) | Manufacturing method and product of double-sided arc-shaped glass with ultrathin bendable stone sandwiched therebetween | |
| CN217572496U (en) | Annular fine polishing leather | |
| CN2855731Y (en) | Composite material structure having non-contact type polished surface | |
| CN109366672B (en) | Method for bonding and manufacturing furniture leather with leather coated on surface | |
| CN202240953U (en) | Coated abrasive tool capable of cleaning dust generated by grinding at any time | |
| CN212400404U (en) | Carbon fiber reinforced composite material | |
| CN106939118B (en) | Glass reinforced plastic light-transmitting plate and preparation method thereof | |
| CN206764590U (en) | A kind of PVA polished silicon wafers | |
| TW201416513A (en) | Method of manufacturing composite material having lustering surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |