CN105291454A - Manufacturing process for ultralight resin lens - Google Patents
Manufacturing process for ultralight resin lens Download PDFInfo
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- CN105291454A CN105291454A CN201410268350.6A CN201410268350A CN105291454A CN 105291454 A CN105291454 A CN 105291454A CN 201410268350 A CN201410268350 A CN 201410268350A CN 105291454 A CN105291454 A CN 105291454A
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Abstract
The invention relates to the technical field of lens manufacturing, in particular to a manufacturing process for a resin lens. The manufacturing process for the ultralight resin lens comprises the following steps of (1) preparation of castable, (2) bubble removing, (3) casting, (4) curing, (5) mold manufacturing, (6) lens cleaning and (7) detection. Through the adoption of the technical scheme, the resin lens manufactured through the process has the obvious advantages of being low in specific gravity and the like.
Description
Technical field
The present invention relates to eyeglass manufacturing technology field, particularly relate to a kind of manufacture craft of resin lens.
Background technology
The at present resin lens generally produced by independent ADC (CR-39) monomer of ordinary optical resin lens on the market, has that shock resistance is little, transmissivity is low, than the problem such as great, can not meet the performance requirement that people day by day raise glasses.Particularly the people of daily life moment wearing spectacles, are badly in need of a kind of light specific gravity, reduce the eyeglass of nasal pressure.
Summary of the invention
The object of the invention is to, provide a kind of manufacture craft of ultralight resin lens, to solve the problems of the technologies described above.
Technical problem solved by the invention can realize by the following technical solutions:
The manufacture craft of ultralight resin lens, is characterized in that, comprises the steps:
1) preparation of castable: ployisocyanate, UV709 (UV resistant agent), blue agent, remover are stirred 25 minutes-35 minutes at normal temperatures, adds in mixer after all dissolving; After polymercaptan is stirred 15 minutes-25 minutes at normal temperatures, add mixer;
After mixer stirs 3 minutes-7 minutes, DC (catalyst) is added mixer, stir after 5 minutes-15 minutes, in mixer, pass into nitrogen 2 times-4 times, vacuum stirring 45 minutes-55 minutes, stop stirring, vacuum 5 minutes-15 minutes, makes castable;
2) exhaust bubble: castable is extracted in teeming ladle, to take out after material teeming ladle vacuum 5 minutes-15 minutes, the castable now in teeming ladle is as monomer, then filter is forced through, after discharging monomer, close blow-off valve, teeming ladle vacuum 25 minutes-35 minutes;
3) pour into a mould: the monomer that teeming ladle is discharged is discharged to cast rifle, adopt cast rifle to be poured into by monomer in the mould assembled, and sealed mold;
4) solidify: the mould of good seal is put into curing oven and is heating and curing;
5) die sinking car limit: opened by the mould be cured, isolates the eyeglass of shaping;
Diaphragm is beaten to eyeglass, after film drying to be protected, car limit is carried out to eyeglass;
6) lens cleaning: adopt supersonic wave cleaning machine, the eyeglass good to car limit cleans;
7) check: pack after the assay was approved, complete the making of eyeglass.
The present invention selects this several raw material of ployisocyanate, polymercaptan, blue agent, DC, remover, UV709, adopts above-mentioned manufacture craft, and the eyeglass made has thin, ultralight, the high remarkable function of abbe number.
Described UV709 preferably adopts 2-(2 '-hydroxyl-5 '-uncle-octyl phenyl)-BTA).
Described polymercaptan preferably adopts the polymercaptan be made up of polymercaptan 3-800 and polymercaptan 3830-81.
Described blue agent preferably adopts C.I. solvent violet 13.
Described remover preferably adopts alkyl phosphate.
Described DC preferably adopts dibutyl tin dichloride.
Step 1) in, the mass percent proportioning of described ployisocyanate, polymercaptan 3-800, polymercaptan 3830-81, blue agent, DC, remover, UV709 raw material is as follows:
Ployisocyanate: 50%-60%; Polymercaptan 3-800:1%-3%; Polymercaptan 3830-81:37%-47%; Blue agent: 0.02%-0.1%; DC:0.1%-0.2%; Remover: 0.05%-0.15%; UV709:1%-2%.
The following mass percent proportioning of preferred employing:
Ployisocyanate: 55%; Polymercaptan 3-800:1.96%; Polymercaptan 3830-81:41.25%; Blue agent: 0.07%; DC:0.15%; Remover: 0.1%; UV709:1.47%.
Step 1) in, often kind of raw material all carries out raw material filtration before combination, and employing filter sizes is that the filter of 1 μm filters often kind of raw material respectively.
Step 2) in filter preferably adopt filter sizes to be the small filter of 0.45 μm.
Step 2) in, during discharge, discharge monomer 2kg to cast rifle, when the batching in teeming ladle is less than 3kg, the batching of 50% need be discharged.
Step 3) in, adopt cast rifle when to die casting, if any the pause being no less than 10 minutes, need rifle to be cast to discharge a part of monomer, after minimum 200g monomer, can pour into a mould mould.To avoid, colour of lens is uneven, eyeglass solidification maturity disunity.
Step 4) solidification time, adopt following solidification temperature controlling curve to be cured:
Luminosity less than 600 degree: one-step solidification stove normal temperature rises to 22 DEG C in 10 minutes, insulation 8h; 3h is warming up to 60 DEG C; 3h is warming up to 120 DEG C, insulation 2h; 1h is cooled to 60 DEG C, insulation, amounts to 17 hours 10 minutes.Luminosity less than 600 degree eyeglasses adopt above-mentioned curve, and the low temperature time is long, and the even internal stress of spontaneous curing is little, the time is short, and production line flow process is easy to adjust, power saving, economize energy.
Also following solidification temperature controlling curve can be adopted to be cured:
Luminosity more than 600 and near-sighted semi-products center thickness are within 8mm: one-step solidification stove normal temperature rises to 22 DEG C in 10 minutes, insulation 8h; 3h is warming up to 60 DEG C; 3h is warming up to 120 DEG C, insulation 6h; 1h is cooled to 60 DEG C, insulation, amounts to 21 hours 10 minutes.It is high that luminosity more than 600 and near-sighted semi-products center thickness adopt above-mentioned curve can realize solidification maturity within 8mm, the advantages such as the time is short.
Following solidification temperature controlling curve can also be adopted to be cured:
One-step solidification stove normal temperature rises to 22 DEG C in 10 minutes, insulation 3.5h; 1h is warming up to 30 DEG C; 6h is warming up to 40 DEG C; 3.5h is warming up to 60 DEG C; 1h is warming up to 120 DEG C, insulation 4.5h; 4.5h is cooled to 60 DEG C, amounts to 24 hours 10 minutes.The situations such as the polymerization light inspection that above-mentioned cure profile can solve large bending, super thick semi-products exist in one-step solidification is shaped is bad, face shape is bad, early take off.
Step 6) in, adopt following cleaning step to clean eyeglass:
1. with temperature be 40 DEG C-50 DEG C, cleaning agent sugar concentration is the cleaning agent (NL-903) of 25%-26%, carries out Ultrasonic Cleaning to eyeglass;
2. spray with the pure water that temperature is 40 DEG C-50 DEG C;
3. Ultrasonic Cleaning is carried out with normal temperature pure water;
4. with temperature be 40 DEG C-50 DEG C, the cleaning agent 380 (surfactant) of 1%-1.5% and the mixed liquor of pure water, carry out Ultrasonic Cleaning;
5. Ultrasonic Cleaning is carried out with the pure water that temperature is 40 DEG C-50 DEG C;
6. ultrasonic overflow cleaning is carried out with the pure water that temperature is 40 DEG C-50 DEG C;
7. ultrasonic overflow cleaning is carried out with the pure water that temperature is 50 DEG C-55 DEG C;
8. slow draw cut water is carried out with the pure water that temperature is 60 DEG C-70 DEG C;
9. entering temperature is that the drying tunnel of 60 DEG C-70 DEG C is dried eyeglass.
Clean degree due to cleaning is the prerequisite of lens quality, and therefore the present invention adopts above-mentioned nine step cleaning processes, ensures the clean degree of cleaning.
In step 6) to after lens cleaning, also curing oven to be put into eyeglass and carry out regelate, the solidification temperature curve of regelate is as follows:
Regelate stove normal temperature is warming up to 35 DEG C in 10 minutes, and 1h is warming up to 125 DEG C, insulation 2h; 3h is cooled to 50 DEG C, insulation.After the present invention adopts regelate, the internal stress that the inner one-step solidification of eyeglass produces can be eliminated, improve eyeglass luminosity stability.
Beneficial effect: owing to adopting technique scheme, the resin lens adopting the present invention to make has the remarkable advantages such as light specific gravity.
Accompanying drawing explanation
Fig. 1 is a kind of schematic flow sheet of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with concrete diagram.
With reference to Fig. 1, the manufacture craft of ultralight resin lens, comprises the steps:
The first step, the preparation of castable:
Pulp furnish: in the first step, ployisocyanate, polymercaptan 3-800, polymercaptan 3830-81, blue agent, catalyst DC, 1.60 raw material removers, can the mass percent proportioning of UV709 powder raw material of shielding of ultraviolet as follows:
Ployisocyanate: 50%-60%; Polymercaptan 3-800:1%-3%; Polymercaptan 3830-81:37%-47%; Blue agent: 0.02%-0.1%; DC:0.1%-0.2%; Remover: 0.05%-0.15%; UV709:1%-2%.
The present invention can adopt the proportioning of following mass percent: ployisocyanate: 50%; Polymercaptan 3-800:1.3%; Polymercaptan 3830-81:47%; Blue agent: 0.02%; DC:0.13%; Remover: 0.05%; UV709:1.5%.
The present invention can also adopt the proportioning of following mass percent: ployisocyanate: 57.55%; Polymercaptan 3-800:3%; Polymercaptan 3830-81:37%; Blue agent: 0.1%; DC:0.2%; Remover: 0.15%; UV709:2%.
The following mass percent proportioning of preferred employing:
Ployisocyanate: 55%; Polymercaptan 3-800:1.96%; Polymercaptan 3830-81:41.25%; Blue agent: 0.07%; DC:0.15%; Remover: 0.1%; UV709:1.47%.Wherein, blue agent adopts C.I. solvent violet 13, DC to adopt dibutyl tin dichloride, and remover adopts alkyl phosphate, UV709 employing 2-(2 '-hydroxyl-5 '-uncle-octyl phenyl)-BTA).
Raw material filters: in the first step, often kind of raw material all carries out raw material filtration before combination, adopts the filter of 1 μm to filter often kind of raw material respectively.
Raw material stirs: ployisocyanate, UV709, blue agent, remover are stirred 30 minutes at normal temperatures, adds in mixer after all dissolving; After polymercaptan 3-800, polymercaptan 3830-81 are stirred 20 minutes at normal temperatures, add mixer;
DC is added mixer after stirring 5 minutes by mixer, stirs after 10 minutes, passes into nitrogen 3 times in mixer, vacuum stirring 50 minutes, stops stirring, and vacuum 10 minutes, makes castable.
Second step, exhaust bubble: castable is extracted in teeming ladle, to take out after material teeming ladle vacuum 10 minutes, then the small filter of 0.45 μm is forced through, discharge monomer 2kg (when the batching in teeming ladle is less than 3kg, the batching of 50% need be discharged) after, close blow-off valve, teeming ladle vacuum 30 minutes.
3rd step, cast: the monomer that teeming ladle is discharged is discharged to cast rifle, φ 8mm × 5mm tracheae selected by the pipeline of cast rifle, and monomer is poured in the mould assembled by cast rifle, and sealed mold.
Adopt cast rifle when to die casting, if any the pause being no less than 10 minutes, need rifle to be cast to discharge a part of monomer, after minimum 200g monomer, can pour into a mould mould.To avoid, colour of lens is uneven, eyeglass solidification maturity disunity.Overfill is must guard against in raw material cast, Lou expects in order to avoid overflow to cause, and as occurred, needs other adhesive tape to mend.When pouring into a mould first eyeglass, need first inspection.
Adhesive tape outside mould preferably adopts U.S.'s source adhesive tape, can select model: 15mm, 19mm, 22mm or 25mm according to lens thickness and mould size.
4th step, solidification: the mould of good seal is put into curing oven and is heating and curing, during solidification, adopt following solidification temperature controlling curve to be cured:
Luminosity less than 600 degree: one-step solidification stove normal temperature rises to 22 DEG C in 10 minutes, insulation 8h; 3h is warming up to 60 DEG C; 3h is warming up to 120 DEG C, insulation 2h; 1h is cooled to 60 DEG C, insulation, amounts to 17 hours 10 minutes.
Also following solidification temperature controlling curve can be adopted to be cured:
Luminosity more than 600 and near-sighted semi-products center thickness are within 8mm: one-step solidification stove normal temperature rises to 22 DEG C in 10 minutes, insulation 8h; 3h is warming up to 60 DEG C; 3h is warming up to 120 DEG C, insulation 6h; 1h is cooled to 60 DEG C, insulation, amounts to 21 hours 10 minutes.
Following solidification temperature controlling curve can also be adopted to be cured:
Large bending, super thick semi-products: one-step solidification stove normal temperature rises to 22 DEG C in 10 minutes, insulation 3.5h; 1h is warming up to 30 DEG C; 6h is warming up to 40 DEG C; 3.5h is warming up to 60 DEG C; 1h is warming up to 120 DEG C, insulation 4.5h; 4.5h is cooled to 60 DEG C, amounts to 24 hours 10 minutes.
5th step, die sinking car limit: adopt mold opening device to be opened by the mould be cured, isolate the eyeglass of shaping.Diaphragm is beaten to eyeglass, after film drying to be protected, car limit is carried out to eyeglass.
6th step, lens cleaning: adopt supersonic wave cleaning machine, the eyeglass good to car limit cleans, and adopts following cleaning step to clean eyeglass:
1. with temperature be 40 DEG C-50 DEG C, cleaning agent sugar concentration be the cleaning agent of 25%-26%, Ultrasonic Cleaning is carried out to eyeglass;
2. spray with the pure water that temperature is 40 DEG C-50 DEG C;
3. Ultrasonic Cleaning is carried out with normal temperature pure water;
4. with temperature be 40 DEG C-50 DEG C, the mixed liquor of 1%-1.5% cleaning agent 380 (effect reduces cleaning white point, increases pure water rinse capacity) and pure water, carry out Ultrasonic Cleaning;
5. Ultrasonic Cleaning is carried out with the pure water that temperature is 40 DEG C-50 DEG C;
6. ultrasonic overflow cleaning is carried out with the pure water that temperature is 40 DEG C-50 DEG C;
7. ultrasonic overflow cleaning is carried out with the pure water that temperature is 50 DEG C-55 DEG C;
8. slow draw cut water is carried out with the pure water that temperature is 60 DEG C-70 DEG C
9. entering temperature is that the drying tunnel of 60 DEG C-70 DEG C is dried eyeglass.
7th step, regelate: after lens cleaning, also puts into curing oven to eyeglass and carries out regelate, and the solidification temperature curve of regelate is as follows:
Regelate stove normal temperature is warming up to 35 DEG C in 10 minutes, and 1h is warming up to 125 DEG C, insulation 2h; 3h is cooled to 50 DEG C, insulation.
8th step, inspection: pack after the assay was approved, complete the making of eyeglass.
Compared with the ordinary resin eyeglass that the ultralight resin lens adopting the present invention to make and traditional handicraft are made, the following form of each parameter:
| Refractive index | Proportion | Same lens thickness | Same lens weight | |
| Ordinary resin eyeglass | 1.50 | 1.32 | 100％ | 100％ |
| Ultralight resin lens | 1.595 | 1.29 | 65％ | 60％ |
The transmissivity of the ultralight resin lens that visible the present invention makes is high, proportion is little, especially has thin, the lightweight remarkable advantage of lens thickness.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. the manufacture craft of ultralight resin lens, is characterized in that, comprises the steps:
1) preparation of castable: ployisocyanate, UV709, blue agent, remover are stirred 25 minutes-35 minutes at normal temperatures, adds in mixer after all dissolving; After polymercaptan is stirred 15 minutes-25 minutes at normal temperatures, add mixer;
DC is added mixer after stirring 3 minutes-7 minutes by mixer, stirs after 5 minutes-15 minutes, passes into nitrogen 2 times-4 times in mixer, vacuum stirring 45 minutes-55 minutes, stops stirring, and vacuum 5 minutes-15 minutes, makes castable;
2) exhaust bubble: castable is extracted in teeming ladle, to take out after material teeming ladle vacuum 5 minutes-15 minutes, the castable now in teeming ladle is as monomer, then filter is forced through, after discharging monomer, close blow-off valve, teeming ladle vacuum 25 minutes-35 minutes;
3) pour into a mould: the monomer that teeming ladle is discharged is discharged to cast rifle, adopt cast rifle to be poured into by monomer in the mould assembled, and sealed mold;
4) solidify: the mould of good seal is put into curing oven and is heating and curing;
5) die sinking car limit: opened by the mould be cured, isolates the eyeglass of shaping;
Diaphragm is beaten to eyeglass, after film drying to be protected, car limit is carried out to eyeglass;
6) lens cleaning: adopt supersonic wave cleaning machine, the eyeglass good to car limit cleans;
7) check: pack after the assay was approved, complete the making of eyeglass.
2. the manufacture craft of ultralight resin lens according to claim 1, is characterized in that, step 1) in, described polymercaptan adopts the polymercaptan be made up of polymercaptan 3-800 and polymercaptan 3830-81;
The mass percent proportioning of described ployisocyanate, polymercaptan 3-800, polymercaptan 3830-81, blue agent, DC, remover, UV709 raw material is as follows:
Ployisocyanate: 50%-60%; Polymercaptan 3-800:1%-3%; Polymercaptan 3830-81:37%-47%; Blue agent: 0.02%-0.1%; DC:0.1%-0.2%; Remover: 0.05%-0.15%; UV709:1%-2%.
3. the manufacture craft of ultralight resin lens according to claim 2, it is characterized in that, step 1) in, the mass percent proportioning of described ployisocyanate, polymercaptan 3-800, polymercaptan 3830-81, blue agent, DC, remover, UV709 raw material is as follows:
Ployisocyanate: 55%; Polymercaptan 3-800:1.96%; Polymercaptan 3830-81:41.25%; Blue agent: 0.07%; DC:0.15%; Remover: 0.1%; UV709:1.47%.
4. the manufacture craft of ultralight resin lens according to claim 1, is characterized in that, step 4) solidification time, adopt following solidification temperature controlling curve to be cured:
Luminosity less than 600 degree: one-step solidification stove normal temperature rises to 22 DEG C in 10 minutes, insulation 8h; 3h is warming up to 60 DEG C; 3h is warming up to 120 DEG C, insulation 2h; 1h is cooled to 60 DEG C, insulation, amounts to 17 hours 10 minutes.
5. the manufacture craft of ultralight resin lens according to claim 1, is characterized in that, step 4) solidification time, adopt following solidification temperature controlling curve to be cured:
Luminosity more than 600 and near-sighted semi-products center thickness are within 8mm: one-step solidification stove normal temperature rises to 22 DEG C in 10 minutes, insulation 8h; 3h is warming up to 60 DEG C; 3h is warming up to 120 DEG C, insulation 6h; 1h is cooled to 60 DEG C, insulation, amounts to 21 hours 10 minutes.
6. the manufacture craft of ultralight resin lens according to claim 1, is characterized in that, step 4) solidification time, adopt following solidification temperature controlling curve to be cured:
Large bending, super thick semi-products: one-step solidification stove normal temperature rises to 22 DEG C in 10 minutes, insulation 3.5h; 1h is warming up to 30 DEG C; 6h is warming up to 40 DEG C; 3.5h is warming up to 60 DEG C; 1h is warming up to 120 DEG C, insulation 4.5h; 4.5h is cooled to 60 DEG C, amounts to 24 hours 10 minutes.
7. the manufacture craft of ultralight resin lens as claimed in any of claims 1 to 6, is characterized in that, step 6) in, adopt following cleaning step to clean eyeglass:
1. with temperature be 40 DEG C-50 DEG C, cleaning agent sugar concentration be the cleaning agent of 25%-26%, Ultrasonic Cleaning is carried out to eyeglass;
2. spray with the pure water that temperature is 40 DEG C-50 DEG C;
3. Ultrasonic Cleaning is carried out with normal temperature pure water;
4. with temperature be 40 DEG C-50 DEG C, the cleaning agent 380 of 1%-1.5% and the mixed liquor of pure water, carry out Ultrasonic Cleaning;
5. Ultrasonic Cleaning is carried out with the pure water that temperature is 40 DEG C-50 DEG C;
6. ultrasonic overflow cleaning is carried out with the pure water that temperature is 40 DEG C-50 DEG C;
7. ultrasonic overflow cleaning is carried out with the pure water that temperature is 50 DEG C-55 DEG C;
8. slow draw cut water is carried out with the pure water that temperature is 60 DEG C-70 DEG C;
9. entering temperature is that the drying tunnel of 60 DEG C-70 DEG C is dried eyeglass.
8. the manufacture craft of ultralight resin lens according to claim 7, is characterized in that, in step 6) to after lens cleaning, also curing oven to be put into eyeglass and carry out regelate, the solidification temperature curve of regelate is as follows:
Regelate stove normal temperature is warming up to 35 DEG C in 10 minutes, and 1h is warming up to 125 DEG C, insulation 2h; 3h is cooled to 50 DEG C, insulation.
9. the manufacture craft of the ultralight resin lens according to claim 1,2 or 3, is characterized in that, step 1) in, often kind of raw material all carries out raw material filtration before combination, adopts the filter of 1 μm to filter often kind of raw material respectively.
10. the manufacture craft of ultralight resin lens according to claim 1, is characterized in that, step 2) in, during discharge, discharge monomer 2kg to cast rifle, when the batching in teeming ladle is less than 3kg, the batching of 50% need be discharged;
Adopt cast rifle when to die casting, if any the pause being no less than 10 minutes, need rifle to be cast to discharge a part of monomer, after minimum 200g monomer, can pour into a mould mould.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410268350.6A CN105291454A (en) | 2014-06-16 | 2014-06-16 | Manufacturing process for ultralight resin lens |
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| CN201410268350.6A CN105291454A (en) | 2014-06-16 | 2014-06-16 | Manufacturing process for ultralight resin lens |
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| CN106084180A (en) * | 2016-06-12 | 2016-11-09 | 视悦光学有限公司 | A kind of production technology of anti-blue light substrate |
| CN106335149A (en) * | 2016-08-30 | 2017-01-18 | 镇江视伟光学有限公司 | Manufacturing method for high-definition UV400 prevention lens |
| CN106476187A (en) * | 2016-11-08 | 2017-03-08 | 镇江视伟光学有限公司 | A kind of manufacture method of uv blocking 400 eyeglass of high definition |
| CN109334061A (en) * | 2018-08-16 | 2019-02-15 | 江苏硕延光学眼镜有限公司 | A kind of preparation process with high impact resistance and high-fire resistance optical resin composition |
| CN110018577A (en) * | 2019-04-10 | 2019-07-16 | 军视康(北京)科技发展有限公司 | A kind of double light myopia home videos of flat-top entertain training eyeglass and manufacturing method |
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| CN110018578A (en) * | 2019-04-10 | 2019-07-16 | 军视康(北京)科技发展有限公司 | A kind of double light improvement of flat-top are near-sighted to promote uncorrected visual acuity eyeglass and manufacturing method |
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| CN110884007A (en) * | 2019-12-17 | 2020-03-17 | 江苏康耐特光学有限公司 | Lens continuous pouring system and process thereof |
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| CN106084180A (en) * | 2016-06-12 | 2016-11-09 | 视悦光学有限公司 | A kind of production technology of anti-blue light substrate |
| CN106084180B (en) * | 2016-06-12 | 2019-09-24 | 视悦光学有限公司 | A kind of production technology of anti-blue light substrate |
| CN106335149A (en) * | 2016-08-30 | 2017-01-18 | 镇江视伟光学有限公司 | Manufacturing method for high-definition UV400 prevention lens |
| CN106476187A (en) * | 2016-11-08 | 2017-03-08 | 镇江视伟光学有限公司 | A kind of manufacture method of uv blocking 400 eyeglass of high definition |
| CN109334061A (en) * | 2018-08-16 | 2019-02-15 | 江苏硕延光学眼镜有限公司 | A kind of preparation process with high impact resistance and high-fire resistance optical resin composition |
| CN110018577A (en) * | 2019-04-10 | 2019-07-16 | 军视康(北京)科技发展有限公司 | A kind of double light myopia home videos of flat-top entertain training eyeglass and manufacturing method |
| CN110018576A (en) * | 2019-04-10 | 2019-07-16 | 军视康(北京)科技发展有限公司 | A kind of double light myopia campus learning training eyeglasses of flat-top and manufacturing method |
| CN110018578A (en) * | 2019-04-10 | 2019-07-16 | 军视康(北京)科技发展有限公司 | A kind of double light improvement of flat-top are near-sighted to promote uncorrected visual acuity eyeglass and manufacturing method |
| CN110045517A (en) * | 2019-04-10 | 2019-07-23 | 军视康(北京)科技发展有限公司 | A kind of double light myopia preventing and treatings training eyeglasses of flat-top and manufacturing method |
| CN110884007A (en) * | 2019-12-17 | 2020-03-17 | 江苏康耐特光学有限公司 | Lens continuous pouring system and process thereof |
| CN112505804A (en) * | 2020-11-25 | 2021-03-16 | 湖北长旭光电科技有限公司 | Optical lens and manufacturing method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |