CN115816966A - Bubble-free solvent-free composite membrane processing method and dehumidification equipment - Google Patents
Bubble-free solvent-free composite membrane processing method and dehumidification equipment Download PDFInfo
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- CN115816966A CN115816966A CN202211576588.6A CN202211576588A CN115816966A CN 115816966 A CN115816966 A CN 115816966A CN 202211576588 A CN202211576588 A CN 202211576588A CN 115816966 A CN115816966 A CN 115816966A
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 51
- 239000002131 composite material Substances 0.000 title claims abstract description 44
- 238000003672 processing method Methods 0.000 title claims abstract description 12
- 239000012528 membrane Substances 0.000 title claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 34
- 239000003292 glue Substances 0.000 claims abstract description 33
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 8
- 238000013329 compounding Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000012948 isocyanate Substances 0.000 claims description 4
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 4
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 4
- 239000008158 vegetable oil Substances 0.000 claims description 4
- 239000004484 Briquette Substances 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to a bubble-free solvent-free composite film processing method, which comprises the following steps: dehumidifying the processing workshop through dehumidifying equipment, and performing unreeling gluing and compounding on a plurality of reeling rollers in the processing workshop to form a composite film; extruding the composite film to discharge air bubbles in the glue between the films; rolling and sending into a curing warehouse; wherein the extrusion is discharged the bubble in gluing between the membrane and has adopted an extrusion device to pressurize the exhaust, is provided with dehydrating unit in the workshop and carries out the secondary dehumidification to its workshop air, guarantees that the humidity keeps in reasonable scope in the workshop, prevents that the glue film on the complex film from reacting with the air and producing the bubble, guarantees the yield of complex film in the production process, and the complex film of having made is put into in the solidification storehouse.
Description
Technical Field
The invention belongs to the technical field of composite film processing machines, and particularly relates to a bubble-free solvent-free composite film processing method and dehumidification equipment.
Background
The composite film is a multifunctional film formed by laminating and bonding two or more layers of base material films with a certain special function in a glue way and the like so as to meet the performance requirements of packaging products.
The composite film is formed by conforming 2~4 layers of base material films with respective functions to a solvent-free glue, and the finished film after compounding is required to meet the enterprise standard Q/JJHQ002-2022 of the composite film.
The composite film is mixed with a small amount of dry air and glue water to react with water molecules in the air to produce CO2, so that bubbles can be formed between layers of the composite film in the process of producing and storing the composite film, the appearance of a product is influenced, a large amount of scrap occurs, the scrap amount of 1~2 tons in summer is basically obtained in several months when the weather is wet, and great waste is caused.
The source of bubble generation comes from the following two cases: a small amount of dry air is mixed in the first glue mixing process; the second glue reacts with water molecules in the air to produce CO2, and other complex reactions also occur, so that the viscosity of the glue is rapidly increased, and the gas cannot be completely discharged.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a bubble-free solvent-free composite membrane processing method and a dehumidifying device, which can extrude bubbles during production and keep a processing workshop in a proper humidity through the dehumidifying device.
In order to solve the technical problems, the invention adopts the technical scheme that: the bubble-free solvent-free composite membrane processing method comprises the following steps:
s1, dehumidifying a processing workshop through dehumidifying equipment, and unreeling, gluing and compounding a plurality of coiling rolls in the processing workshop to form a composite film;
s2, extruding the composite film to discharge air bubbles in glue between the films;
and S3, rolling and sending the steel wire rope into a curing warehouse for curing.
Further, in the step S1, solvent-free glue is adopted for compounding.
Further, the solvent-free glue is formed by mixing glue and a curing agent in proportion, wherein the glue is isocyanate containing-NCO, and the curing agent is vegetable oil containing-OH.
Further, step S2 adopts an extrusion device to extrude and discharge bubbles, extrusion device includes extrusion platform, left scraper blade, right scraper blade, first drive assembly and second drive assembly, and the complex film is through extrusion platform, left side scraper blade and right scraper blade are located complex film width direction and support the complex film, complex film middle part is kept away from to first drive assembly drive left scraper blade, complex film middle part is kept away from to second drive assembly drive right scraper blade, left side scraper blade and right scraper blade moving direction are opposite.
Further, the extrusion device still includes the mounting bracket, first drive assembly includes first screw rod, second drive assembly includes the second screw rod, left side scraper blade is formed with first screw hole and first through-hole, interval setting about first screw hole and the first through-hole, right side scraper blade is formed with second screw hole and second through-hole, second screw hole and first through-hole are corresponding, first through-hole diameter is greater than second screw hole diameter, first screw hole is corresponding with the second through-hole, second through-hole diameter is greater than first screw hole diameter, first screw rod just passes the second through-hole with first screw hole looks adaptation, the second screw rod just passes first through-hole with second screw hole looks adaptation, first screw rod and second screw rod screw thread opposite direction.
Further, the mounting bracket is stretched out to the one end of first screw rod and the one end of second screw rod, the one end that first screw rod stretches out the mounting bracket has first from the driving wheel, the one end that first screw rod stretches out the mounting bracket has the second from the driving wheel, extrusion device still includes first motor, first motor is installed on the mounting bracket, first motor output is equipped with first action wheel, first from driving wheel and second from driving wheel between through belt transmission.
Further, the extrusion device also comprises a lifting assembly, and the lifting assembly is used for controlling the lifting of the mounting frame.
Further, the lifting component comprises a plurality of guide rods, a plurality of third screw rods, an upper mounting seat and a lower mounting seat, the guide rods are mounted between the upper mounting seat and the lower mounting seat, the third screw rods are mounted between the upper mounting seat and the lower mounting seat, third threaded holes and guide holes are formed in the mounting frame, the third threaded holes are matched with the third screw rods, and the guide holes are matched with the guide rods.
The utility model provides a no bubble solvent-free complex film processing dehumidification equipment is including the dehumidification subassembly, the dehumidification subassembly is connected with intake pipe and dehumidification pipe, intake pipe one end is connected with the dehumidification subassembly, the intake pipe other end and dehumidification pipe fixed connection, the dehumidification body is equipped with to dehumidification intraduct.
Furthermore, the dehumidifying body is made of water absorbing material and is in a long strip honeycomb briquette shape.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, multiple coil rolls are used for extruding bubbles in glue between adjacent films after compounding and then immediately rolling, air mixed in the glue during glue mixing is extruded, then the rolled composite film is sent into a curing warehouse, a dehumidification device is arranged in a processing workshop, the dehumidification device sucks air in the processing workshop into the dehumidification device for primary dehumidification, then an air inlet pipe is introduced to carry out secondary dehumidification through a dehumidification pipe and discharge the dehumidified air into the processing workshop, the humidity in the processing workshop is ensured within a certain range, and the humidity in the processing workshop is controlled, so that the yield of the composite film can be ensured, and workers can carry out operation in the processing workshop more comfortably.
2. The solvent-free glue is prepared by mixing glue and a curing agent in proportion, wherein the glue is isocyanate containing-NCO, the curing agent is vegetable oil containing-OH, a small amount of air enters into the mixture to form bubbles, and the two are reacted after being mixed: R1-NCO + R2-OH → R1-NCO-O-R2 to generate polyurethane, the curing degree is low at the beginning, the fluidity of the mixed glue is good, and air bubbles extrude the composite membrane through an extrusion device in the curing process to accelerate the discharge of the air bubbles and prevent the air bubbles from being formed on the cured composite membrane.
3. R1-NCO in the solvent-free glue can also react with moisture in the air, the humidity in summer is high (especially when the humidity exceeds 70%), R1-NCO + H-OH → R1-NCOOH → R1-NH2+ CO2 generates carbon dioxide (CO 2 gas), and R1-NH can generate other complex reactions, so that the viscosity of the glue is rapidly increased, the generated CO2 and the mixed air can not be timely discharged to form interlayer bubbles, the product quality is influenced, the scheme dehumidifies the processing workshop by arranging the dehumidifying component, the dehumidifying component sucks the air in the processing workshop into the dehumidifying component for primary dehumidification, then an air inlet pipe is introduced into the dehumidifying pipe to dehumidify the air for secondary dehumidification in the processing workshop, and the humidity in the processing workshop is ensured to be within the range of 55-65%.
4. This scheme has adopted first screw rod and second screw rod to drive left scraper blade and right scraper blade respectively and has removed, left scraper blade and right scraper blade extrude the gassing to the complex film, be formed with first screw hole and first through-hole on the left scraper blade, be formed with second screw hole and second through-hole on the right scraper blade, first through-hole and second screw hole are corresponding, the second through-hole is corresponding with first screw hole, pass the second through-hole behind first screw rod and the first screw hole adaptation, pass first through-hole behind second screw rod and the second screw hole adaptation, the setting is in order to prevent that first screw rod or second screw rod from producing the interference with right scraper blade or left scraper blade when rotating, lead to the unable normal removal of left scraper blade and right scraper blade or wearing and tearing serious.
5. Set up lifting unit and be used for promoting the mounting bracket in order to prevent that left scraper blade and right scraper blade from scraping the back towards outside and returning the back on former way, the glue between the membrane is not bonded firmly yet, when leading to left scraper blade and right scraper blade to reset, and the upper strata membrane is scraped the perk and is produced the damage by left scraper blade or right scraper blade.
Drawings
FIG. 1 is a schematic front view of the tension roller and the pressing device used in steps 1-3 of the present invention;
FIG. 2 is a schematic perspective view of an extrusion apparatus according to the present invention;
FIG. 3 is a schematic perspective view of the left squeegee blade of the present invention;
FIG. 4 is a schematic perspective view of the right blade of the present invention;
fig. 5 is a schematic sectional view showing the structure of a dehumidifying pipe in the dehumidifying apparatus of the present invention.
The labels in the figure are: 1. a tension roller; 2. an extrusion device; 21. an extrusion platform; 22. a left squeegee; 221. a first threaded hole; 222. a first through hole; 23. a right squeegee blade; 231. a second threaded hole; 232. a second through hole; 24. a first screw; 25. a second screw; 26. a mounting frame; 27. a lifting assembly; 271. an upper mounting seat; 272. a lower mounting seat; 273. a third screw; 274. a guide bar; 3. a dehumidification pipe; 31. a moisture removal body.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1 to 5, this embodiment provides a method for processing a bubble-free solvent-free composite film, which includes the following steps:
(S1) dehumidifying a processing workshop through dehumidifying equipment, and unreeling, gluing and compounding a plurality of material reeling rollers in the processing workshop to form a composite film; the glue used for gluing is solvent-free glue which is formed by mixing glue and a curing agent in proportion, wherein the glue is isocyanate containing-NCO, and the curing agent is vegetable oil containing-OH;
(S2) extruding the composite film to discharge air bubbles in glue between the films;
and (S3) rolling and sending the product into a curing warehouse for curing, and storing the product after curing.
S1-S2 adopt a wind-up roll, a plurality of unreeling rolls, two tensioning rolls 1 and an extrusion device 2, step S2 adopts an extrusion device 2 to extrude and discharge air bubbles, and extrusion device 2 comprises an extrusion platform 21, an installation frame 26, a left scraper 22, a right scraper 23, a first driving component, a second driving component, a first motor, a second motor and a lifting component 27.
The film with different functions is respectively wound on the unwinding rollers, then the film is pulled together for gluing, then the film passes through the lower part of one tensioning roller 1, then the film passes through the lower part of the second tensioning roller 1 from the upper surface of the extrusion platform 21, and finally the film is wound and wound from the upper part of the winding roller.
Mounting bracket 26 is located extrusion platform 21 top, and left scraper blade 22 and right scraper blade 23 are located the complex film width direction and support the complex film, and the complex film middle part is kept away from to first drive assembly drive left scraper blade 22, and the complex film middle part is kept away from to second drive assembly drive right scraper blade 23, and left scraper blade 22 and right scraper blade 23 moving direction are opposite, and the lower extreme of left scraper blade 22 and right scraper blade 23 is formed with the circular arc chamfer. Specifically, the first driving assembly comprises a first screw 24, the second driving assembly comprises a second screw 25, one end of the first screw 24 and one end of the second screw 25 extend out of the mounting frame 26, one end of the first screw 24 extending out of the mounting frame 26 is provided with a first driven wheel, one end of the first screw 24 extending out of the mounting frame 26 is provided with a second driven wheel, the extruding device 2 further comprises a first motor, the first motor is mounted on the mounting frame 26, the output end of the first motor is provided with a first driving wheel, and the first driving wheel, the first driven wheel and the second driven wheel are in transmission through a belt. The first threaded holes 221 and the first through holes 222 are arranged at left and right intervals, the right scraper 23 is provided with second threaded holes 231 and second through holes 232, the second threaded holes 231 correspond to the first through holes 222, the diameter of the first through holes 222 is larger than that of the second threaded holes 231, the first threaded holes 221 correspond to the second through holes 232, the diameter of the second through holes 232 is larger than that of the first threaded holes 221, the first screw rods 24 are matched with the first threaded holes 221 and penetrate through the second through holes 232, the second screw rods 25 are matched with the second threaded holes 231 and penetrate through the first through holes 222, and the thread directions of the first screw rods 24 are opposite to those of the second screw rods 25.
The lifting assembly 27 is used for controlling the lifting of the mounting frame 26, specifically, four guide rods 274 are installed between the upper mounting seat 271 and the lower mounting seat 272, ten third screws 273 are installed between the upper mounting seat 271 and the lower mounting seat 272, the four guide rods 274 are distributed in a matrix manner, ten third screws 273 are respectively divided into two groups, each group of third screws 273 is located between two guide rods 274, the extrusion platform is located above the lower mounting seat 272, a third threaded hole and a guide hole are formed in the mounting frame 26, the third threaded hole is matched with the third screw 273, the guide hole is matched with the guide rods 274, the third screws 273 extend out of the upper mounting seat 271, one end of each third screw 273 extending out of the upper mounting seat 271 is provided with a belt pulley, the second motor is located on the upper mounting seat 271, the output end of the second motor is provided with a driving wheel, and the driving wheels are in belt transmission with the plurality of belt pulleys.
The steps S1 to S3 specifically comprise the following working steps: the wind-up roll, a plurality of unreel rollers, two tensioning roller 1 and extrusion device 2 are placed in the workshop, the indoor humidity of workshop keeps at 55-65%, be equipped with the humidity inductor in the workshop, a bubble-free solvent-free complex film processing dehumidification equipment has been adopted in step S1 and S2, including the dehumidification subassembly, this scheme dehumidification subassembly is central air conditioning, the dehumidification subassembly is connected with intake pipe and dehumidification pipe 3, intake pipe one end is connected with the dehumidification subassembly, the intake pipe other end and 3 fixed connection of dehumidification pipe, the inside dehumidification body 31 that is equipped with of dehumidification pipe 3. Specifically, the dehumidification body 31 material is water absorbing material, the dehumidification body 31 of this embodiment adopts the active carbon, the dehumidification body 31 is rectangular shape honeycomb briquette form, the dehumidification subassembly carries out the condensation dehumidification for the first time with the indoor air suction dehumidification subassembly in, the air after the condensation dehumidification passes through the intake pipe, enter into dehumidification pipe 3 in, the dehumidification body 31 in the dehumidification pipe 3 carries out the secondary dehumidification drying to the air, then discharge indoor again, make indoor keep the dry state always, when humidity reaches the early warning value, the dehumidification subassembly can move with higher speed, the entering volume and the emission of increase air.
The multiple unwinding rollers unwind, the multilayer film is glued, the lower end of one tensioning roller 1 is wound after gluing, the composite film passes through the upper surface of the extrusion platform 21 and passes through the lower end of the other tensioning roller 1, the composite film is wound from the upper end of the winding roller, intermittent movement is performed through the composite film above the extrusion platform 21, the moving distance is the length of the extrusion platform 21 each time, when the composite film is positioned on the extrusion platform 21, the third screw 273 rotates, the mounting frame 26 moves upwards, the left scraper 22 and the right scraper 23 are positioned in the middle of the composite film and are attached to each other, the third screw 273 rotates, the mounting frame 26 moves downwards, the left scraper 22 and the right scraper 23 abut against the middle of the composite film, the first screw 24 and the second screw 25 rotate, the left scraper 22 and the right scraper 23 are controlled to move towards the two sides of the composite film respectively to extrude bubbles, after extrusion, the third screw 273 rotates, the mounting frame 26 is controlled to move upwards, the winding roller rotates to wind until a new section of the composite film is positioned on the extrusion platform 21, the actions are repeated until all winding is completed, and the composite film is conveyed into a curing warehouse.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The bubble-free solvent-free composite membrane processing method is characterized by comprising the following steps: the method comprises the following steps:
s1, dehumidifying a processing workshop through dehumidifying equipment, and unreeling, gluing and compounding a plurality of coiling rolls in the processing workshop to form a composite film;
s2, extruding the composite film to discharge air bubbles in glue between the films;
and S3, rolling and sending the product into a curing warehouse for curing.
2. The bubble-free solvent-free composite film processing method according to claim 1, wherein: and in the step S1, compounding by adopting solvent-free glue.
3. The method for processing the bubble-free solvent-free composite membrane according to claim 2, wherein the method comprises the following steps: the solvent-free glue is formed by mixing glue and a curing agent in proportion, wherein the glue is isocyanate containing-NCO, and the curing agent is vegetable oil containing-OH.
4. The bubble-free solvent-free composite film processing method according to claim 1, wherein: step S2 adopts an extrusion device to extrude and discharge bubbles, extrusion device includes extrusion platform, left scraper blade, right scraper blade, first drive assembly and second drive assembly, and the complex film is through extrusion platform, left scraper blade and right scraper blade are located complex film width direction and support the complex film, complex film middle part is kept away from to first drive assembly drive left scraper blade, complex film middle part is kept away from to second drive assembly drive right scraper blade, left side scraper blade and right scraper blade moving direction are opposite.
5. The bubble-free solvent-free composite film processing method according to claim 4, wherein: the extrusion device still includes the mounting bracket, first drive assembly includes first screw rod, second drive assembly includes the second screw rod, left side scraper blade is formed with first screw hole and first through-hole, the interval sets up about first screw hole and the first through-hole, right side scraper blade is formed with second screw hole and second through-hole, second screw hole and first through-hole are corresponding, first through-hole diameter is greater than second screw hole diameter, first screw hole is corresponding with the second through-hole, second through-hole diameter is greater than first screw hole diameter, first screw rod just passes the second through-hole with first screw hole looks adaptation, the second screw rod just passes first through-hole with second screw hole looks adaptation, first screw rod and second screw rod screw thread opposite direction.
6. The bubble-free solvent-free composite film processing method according to claim 5, wherein: the one end of first screw rod and the one end of second screw rod stretch out the mounting bracket, the one end that the first screw rod stretches out the mounting bracket has first from the driving wheel, the one end that the first screw rod stretches out the mounting bracket has the second from the driving wheel, extrusion device still includes first motor, first motor is installed on the mounting bracket, first motor output is equipped with first action wheel, first from driving wheel and second from through belt transmission between the driving wheel.
7. The bubble-free solvent-free composite film processing method according to claim 5, wherein: the extrusion device further comprises a lifting assembly, and the lifting assembly is used for controlling the lifting of the mounting frame.
8. The method for processing a bubble-free solvent-free composite film according to claim 7, wherein: the lifting assembly comprises a plurality of guide rods, a plurality of third screw rods, an upper mounting seat and a lower mounting seat, the guide rods are mounted between the upper mounting seat and the lower mounting seat, the third screw rods are mounted between the upper mounting seat and the lower mounting seat, third threaded holes and guide holes are formed in the mounting frame, the third threaded holes are matched with the third screw rods, and the guide holes are matched with the guide rods.
9. The utility model provides a no bubble does not have solvent complex film processing dehumidification equipment which characterized in that: including the dehumidification subassembly, the dehumidification subassembly is connected with intake pipe and dehumidification pipe, intake pipe one end is connected with the dehumidification subassembly, the intake pipe other end and dehumidification pipe fixed connection, the dehumidification body is equipped with to dehumidification intraduct.
10. The bubble-free solvent-free composite film processing dehumidification equipment as claimed in claim 9, wherein: the dehumidifying body is made of water absorbing material and is in a long strip honeycomb briquette shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211576588.6A CN115816966A (en) | 2022-12-09 | 2022-12-09 | Bubble-free solvent-free composite membrane processing method and dehumidification equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211576588.6A CN115816966A (en) | 2022-12-09 | 2022-12-09 | Bubble-free solvent-free composite membrane processing method and dehumidification equipment |
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| CN115816966A true CN115816966A (en) | 2023-03-21 |
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| CN202211576588.6A Pending CN115816966A (en) | 2022-12-09 | 2022-12-09 | Bubble-free solvent-free composite membrane processing method and dehumidification equipment |
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| JP2004195667A (en) * | 2002-12-16 | 2004-07-15 | Kamiyama Hoso Zairyo:Kk | Laminated layer, dry laminate processing method, and apparatus for the method |
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| CN107724186A (en) * | 2017-09-20 | 2018-02-23 | 绥阳县双龙纸业有限公司 | Extrusion coating paper processing unit (plant) |
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| CN111669964A (en) * | 2020-06-17 | 2020-09-15 | 宿州深湾电子科技有限公司 | Touch-sensitive screen laminating equipment |
| CN213937754U (en) * | 2020-10-22 | 2021-08-10 | 丰德信电力发展股份有限公司 | Modular three-phase inverter and lightweight short circuit support thereof |
| KR20220031284A (en) * | 2020-09-04 | 2022-03-11 | 바이옵트로 주식회사 | Clamping Device of Substrate |
-
2022
- 2022-12-09 CN CN202211576588.6A patent/CN115816966A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004195667A (en) * | 2002-12-16 | 2004-07-15 | Kamiyama Hoso Zairyo:Kk | Laminated layer, dry laminate processing method, and apparatus for the method |
| CN204538057U (en) * | 2015-03-25 | 2015-08-05 | 常州回天新材料有限公司 | The floating device of solar energy back film |
| CN107724186A (en) * | 2017-09-20 | 2018-02-23 | 绥阳县双龙纸业有限公司 | Extrusion coating paper processing unit (plant) |
| CN110864379A (en) * | 2018-08-28 | 2020-03-06 | 株式会社西部技研 | Honeycomb adsorbent and dehumidification air conditioner using same |
| CN111669964A (en) * | 2020-06-17 | 2020-09-15 | 宿州深湾电子科技有限公司 | Touch-sensitive screen laminating equipment |
| KR20220031284A (en) * | 2020-09-04 | 2022-03-11 | 바이옵트로 주식회사 | Clamping Device of Substrate |
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