CN1602990A - Antibiotic filter element and its manufacturing method - Google Patents
Antibiotic filter element and its manufacturing method Download PDFInfo
- Publication number
- CN1602990A CN1602990A CN 03134760 CN03134760A CN1602990A CN 1602990 A CN1602990 A CN 1602990A CN 03134760 CN03134760 CN 03134760 CN 03134760 A CN03134760 A CN 03134760A CN 1602990 A CN1602990 A CN 1602990A
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- Prior art keywords
- filter paper
- filter
- collodion
- antimicrobial
- opening
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000003115 biocidal effect Effects 0.000 title claims description 11
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 47
- 230000000845 anti-microbial effect Effects 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 12
- 229920004933 Terylene® Polymers 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 9
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 239000000645 desinfectant Substances 0.000 claims description 4
- 230000000855 fungicidal effect Effects 0.000 claims description 4
- 239000000417 fungicide Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 229940123208 Biguanide Drugs 0.000 claims description 3
- 150000004283 biguanides Chemical class 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 239000004599 antimicrobial Substances 0.000 claims 1
- 230000001954 sterilising effect Effects 0.000 abstract description 11
- 239000012792 core layer Substances 0.000 abstract 4
- 239000010410 layer Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 8
- 241000700605 Viruses Species 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 3
- 230000002147 killing effect Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003899 bactericide agent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 241000228197 Aspergillus flavus Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 241000235342 Saccharomycetes Species 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
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- Filtering Materials (AREA)
- Paper (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention will have discloses a kind of antibacterial filter paper core and its manufacture method,the antibacterial filter paper core includes the filter core layer interbed to folded by several antibacterial filter papers to be cementated together by the rubber,the frame contains the filter core layer frame which is used to support this filter core layer, Among them the direction face of the aperture of the filter hole on the filter core layer each neighboring two filter paper assumes mutually arranges in the reversed direction.The manufacture method includes the filter paper which has sterilization disinfection function,dinks die it with the dinking die machine;take out the dinked died filter paper,stretch evenly then shop it on a bracket fixing,then Evenly shop a layer collodion above the filter paper,again takes another dinked died filter paper;stretch it then evenly shop in the upside of above collodion, causes opening mouth direction of this filter paper is opposite to opening mouth direction of the filter hole; Again spread a collodion layer; repetite above steps to form needed thickness,put the shopped filter paper and the fixing bracket together into in drying machine,causes the collodion to dissolve;take out and dry in the sun coolly then uses the frame to fix it.
Description
Technical field
The present invention relates to a kind of filter core and manufacture method thereof, more particularly, relate to a kind of being applied to and have antimicrobial filtering refill and the manufacture method thereof that the rate of filtration is fast and can carry out the sterilizing processing when filtering in the humidifier.
Background technology
Utilize microporous filter core to come water, air or other medium are filtered, promptly from the liquid that passes through or gas, isolate suspended material, dissolved impurity or virulent composition, obtain comparatively pure liquid or gas, it is well-known technology, as the filter core in the humidifier is exactly that the impurity in air and the water is adsorbed thereon after filtering, to send comparatively pure humid air.
But because the residing temperature of filter core and moist environment are again the best environment of growth of microorganism breeding just in the humidifier, make filter core when filtering other impurity, become the generation source of harmful substances such as microorganism again, thereby cause the microorganism disaster in the humidifier space, promptly in filter core, have multiple mould, saccharomycete, bacterium, wherein the germ of Zhi Binging has Escherichia coli, staphylococcus aureus, Aspergillus flavus etc., also have algae to produce simultaneously, this shows, filter core in the existing humidifier does not only play the purpose of filter sterilization, and the air after filtering through it has on the contrary also increased various bacteria and virus.
The core of currently used filter core is nothing more than being metal filter screen, filter cotton or gauze, wherein:
Though metal filter screen has characteristics such as the convenience of unpicking and washing, long service life, have also that filter effect is not good, easy-to-rust, and can only filtering gas or liquid in bigger dust or the foreign material of particle, gas or liquid are not carried out the function of sterilizing;
Filter cotton and gauze are owing to made by pure wooden long fibre, has the high shortcoming of cost, and in order to save cost and to improve filter effect, mostly adopt the practice of regularly cleaning and extending working time, and this processing mode not only has the shortcoming of the inconvenience used, and because the disinfection function in filter cotton and the gauze is because of spraying disinfectant on its surface, will losing its sterilizing function after repeatedly cleaning, therefore the problem that exists disinfection function to produce a desired effect.
For this reason, creator among the present invention relies on it to be engaged in the experience and the practice of relevant industries for many years, and through concentrating on studies and developing, rely on the increasingly mature of existing disinfection sanitizer and paper technology again, create finally and a kind ofly can not only filter fast and when filtering, can carry out antimicrobial filtering refill and the manufacture method thereof that effective sterilizing is handled gas or liquid.
Summary of the invention
Antimicrobial filtering refill among the present invention mainly is in order to solve problems such as there is the cost height in filter core in the existing humidifier, and poor filtration effect and antibacterial effect are not obvious.
The main a kind of simple process of the manufacture method of antimicrobial filtering refill among the present invention in order to provide at the antimicrobial filtering refill among the present invention.
Antimicrobial filtering refill among the present invention include by the several layers antimicrobial filter paper mutually stacked and by the gluing filtration sandwich layer that is connected together, will filter sandwich layer and enclose frame interior and be used to support the framework of this filtrations sandwich layer, the opening that wherein filters filter opening on every adjacent two filter paper of sandwich layer is towards being opposite direction layout each other.
Be provided with between described adjacent antimicrobial filter paper once the fusible collodion in heating back.
Described framework includes all right one way or the other mutual butt joint and fastens the frame body that is hollow, and the centre of each frame body is Openworks shape, and the vacancy section in the middle of the frame body is one-body molded that some reinforcements are arranged, and this reinforcement convexes with a plurality of insertions and filters reference column in the sandwich layers in the inboard.
It is plane that described frame body can be, also can curved shape, and it is fixed to come according to shape required in the humidifier as for its concrete shape, is not limited to shape cited among the present invention.
Be provided with a plurality of alignment pins that are used for fixing described two frame bodies between described two frame bodies, this alignment pin passes the described filtration sandwich layer that encloses frame in framework inside when fixing two frame bodies.
The manufacture method of antimicrobial filtering refill among the present invention includes the following step:
1) gets filter paper, be tiled on the guillotine with disinfection function;
2) utilize guillotine that filter paper is cut;
3) filter paper after will cutting is tiled on the fixed mount after taking out, stretching, again tiling one deck collodion above filter paper;
4) filter paper after getting another again and cutting, be tiled in the upside of described collodion after stretching, the filter opening opening that makes this metafiltration paper towards with the filter opening opening of preceding one deck towards opposite;
5) one deck collodion that tiles again;
6) press repeatedly repeating step 4 of the required thickness requirement of filter paper core) and 5), form certain thickness, and form the mesh that liquid or gas are flow through along thickness direction;
7) filter paper that tiling is finished is inserted in the baker in the lump together with fixed mount, makes the collodion fusing;
8) take out the cold of drying in the air, it is fixed with framework.
Described filter paper adds in papermaking process the antibiotic short fiber of terylene, wherein contains the inorganic fungicide of tool broad-spectrum bactericidal capacity in the antibiotic short fiber of terylene.
In the described step 1), be included in filter paper is tiled in guillotine sprays organic anti-bacterial liquid before earlier toward the filter paper surface step, wherein organic anti-bacterial liquid is the biguanides disinfectant.
Described step 2) in, be distributed with on the filter paper after cutting by guillotine many parallel, discontinuous and after firmly stretching, can form the seam of opening towards the filter opening of a direction.
Described collodion melts after heating, and two adjacent filter paper are bonded together at the position that is in contact with one another.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment among the present invention is described in further detail.
Fig. 1 is the perspective view of filter paper core among the present invention;
Fig. 2 is the schematic side view of another embodiment of filter paper core among the present invention;
Fig. 3 is the generalized section of filtering sandwich layer among the present invention;
Fig. 4 is the schematic top plan view of two layers of filter paper after mutually stacked among the present invention;
Fig. 5 is that filter paper takes out the schematic top plan view of back when unstretched among the present invention in guillotine.
The specific embodiment
As shown in figures 1 and 3, the antimicrobial filtering refill among the present invention mainly includes by several layers filter paper 10 filtration sandwich layer 1 stacked mutually and that bond together by viscose glue, will filter sandwich layer 1 and be around in interior and be used to support the framework 2 of filtration sandwich layer 1.Wherein:
As shown in Figure 3 and Figure 4, filter sandwich layer 1 and include seven stacked mutually metafiltration paper 10 (number of plies of filter paper can according to the requirement difference of degree of filtration and change), each metafiltration paper 10 has the long antibiotic short fiber of terylene of 12mm to make it have effective kill bacteria, prevent the function of bacterial virus propagation because of adding in the pulping process of its paper technology.The antibiotic short fiber of this terylene is to add inorganic fungicide in polyster fibre, because of the density of polyster fibre own is 1.38～1.40g/cm
3Density than water is big, have and be easy to combine and good dispersion, good heat resistance with wood-fibred, the characteristic that not corroded by microorganism (moth, mould etc.), and inorganic fungicide is a wide-spectrum bactericide, for various common and uncommon malignant bacterias, bacterial propagule and various virus have fast, stablize, lastingly, killing action completely, therefore wide-spectrum bactericide is based on the inorganic compound of silver ion and carrier formation thereof, but appendix copper and zinc ion have broad-spectrum bactericidal capacity through the antimicrobial particle after the nanotechnology treatments simultaneously.Thereby make the antibiotic short fiber of terylene have antibiotic, virus killing effect, and then make filter paper 10 have effective kill bacteria, prevent the function that bacterial virus is propagated.Each metafiltration paper 10 had also sprayed organic anti-bacterial liquid before being made into filter paper core in addition, and the effective ingredient of organic anti-bacterial liquid is infiltrated on filter paper 10, further improved sterilization, the sterilizing function of filter paper core.Wherein organic anti-bacterial liquid is selected the biguanides disinfectant for use, has wide spectrum, bactericidal property efficiently.
As shown in Figure 5, each metafiltration paper 10 cuts by cutting apparatus all that multistage does not link to each other and the seam 12 of parallel distribution, a plurality of along forming after seam 12 rightabout stretches independently towards the filter opening 11 of a direction opening, as shown in Figure 3 and Figure 4, filter paper 10 is setting in the other direction at the opening direction of the filter opening 11 of the every adjacent two layers filter paper 10 in mutual stacked back, in the middle of per two adjacent filter paper 10, be provided with a collodion (not shown), this collodion is melted in heating process, thereby two adjacent filter paper 10 are bonded together at the position that is in contact with one another.
As depicted in figs. 1 and 2, framework 2 roughly is square or arc, also can be other multiple arbitrary shape of being convenient to install, and is semicircular arc or triangle as the cross section.As shown in Figure 1, the upper ledge support body 20 of hollow out in the middle of framework 2 includes, lower frame support body 21, on, lower frame support body 20,21 mutual butt joints are fastened, on two, lower frame support body 20, form the cavity of a hollow in the middle of 21, and it is further fixing by a plurality of latches 24, latch 24 is on fixing simultaneously, lower frame support body 20, passed the filtration sandwich layer 1 that is around in framework 2 inside at 21 o'clock, thereby on fixing, underframe 20, also position filtering sandwich layer 1 in the time of 21, effectively preventing to filter sandwich layer 1 spins off from framework 2, on, lower frame support body 20,21 one-body moldedly in the hollow out position of centre have some reinforcements 22, and have a plurality of to filtering the reference columns 23 that sandwich layer 1 is further located in reinforcement 22 inboard one-body molded.The making material of framework 2 can be rigid plastics or metal material, also can be the synthetic material with sterilizing function.
As shown in Figure 2, the internal and external frames support body of hollow out in the middle of framework 2 includes, after fastening, the butt joint of internal and external frames support body is double-deck arc, and the vacancy section in the middle of the internal and external frames support body is one-body molded that some reinforcements 27 are arranged, this reinforcement 27 convexes with a plurality of reference column (not shown)s in the inboard, in use, filtering sandwich layer 1 is located in the middle of the two internal and external frames support bodys by frame.
The manufacture craft process of antimicrobial filtering refill is as follows among the present invention:
1) gets multilayer and in papermaking process, add the filter paper that the antibiotic short fiber of terylene is arranged;
2) spray organic anti-bacterial liquid on each metafiltration paper surface, and do oven dry and handle;
3) tiling of each metafiltration paper is put into guillotine (the cropped filter paper number of plies can be decided according to the concrete condition of guillotine) after stacked;
4) filter paper after will cutting takes out, and gets one deck earlier and stretches and be tiled on the fixed mount;
5) tiling one deck collodion above the filter paper after this tiling;
6) filter paper after getting another again and cutting, stretching is tiled in the top of collodion, makes the filter opening opening direction of second layer filter paper opposite with the filter opening opening of ground floor;
7) one deck collodion that tiles again;
8) then press repeatedly repeating step 6 of the required thickness requirement of filter paper core) and 7), form certain thickness, and form the mesh that liquid or gas are flow through along thickness direction;
9) seven metafiltration paper are all tiled finish after, together insert in the baker together with fixed mount, collodion is melted;
10) take out the cold of drying in the air, make the collodion cementation of fusing, be about to two adjacent filter paper and bond together in the contact site;
11) fix with framework.
Step 1) and 2 wherein) can be merged into a step, promptly directly in the down-stream of paper technology, add the step that sprays organic anti-bacterial liquid, and do oven dry and handle, and directly use through spraying the filter paper that organic anti-bacterial liquid and oven dry are handled during the antimicrobial filtering refill in making the present invention.
From the above, antimicrobial filtering refill among the present invention is mainly realized virus killing, sterilization treatment or dissolved impurity or coloring matter by antibiotic short fiber of the terylene that adds and the organic anti-bacterial liquid that sprays in the papermaking process of filter paper, utilize the filter opening setting of each metafiltration paper simultaneously, make the filter opening dislocation of filter paper stacked, thereby the suspended material in filtering gas or the liquid reaches the purpose of filtering with sterilizing effectively.
In addition, antimicrobial filtering refill among the present invention is owing to utilize framework to fix, utilizing frame structure to be installed in the humidifier easily, and can require to select difform filter paper core according to the difference of humidifier, it is simple that it is installed with manufacturing process, have cost low, change and filter sandwich layer and advantage such as easy to use.
Claims (10)
1. antimicrobial filtering refill, it is characterized in that: include by the several layers antimicrobial filter paper mutually stacked and by the gluing filtration sandwich layer that is connected together, will filter sandwich layer and enclose frame interior and be used to support the framework of this filtrations sandwich layer, the opening that wherein filters filter opening on every adjacent two filter paper of sandwich layer is towards being opposite direction layout each other.
2. according to the antimicrobial filtering refill described in the claim 1, it is characterized in that: be provided with between described adjacent antimicrobial filter paper once the fusible collodion in heating back.
3. according to the antimicrobial filtering refill described in the claim 1, it is characterized in that: described framework includes all right one way or the other mutual butt joint and fastens the frame body that is hollow, and the centre of each frame body is Openworks shape, and the vacancy section in the middle of the frame body is one-body molded that some reinforcements are arranged, and this reinforcement convexes with a plurality of insertions and filters reference column in the sandwich layers in the inboard.
4. according to the antimicrobial filtering refill described in the claim 3, it is characterized in that: described frame body is plane or has arc shape.
5. according to the antimicrobial filtering refill described in claim 3 or 4, it is characterized in that: be provided with a plurality of alignment pins that are used for fixing described two frame bodies between described two frame bodies, this alignment pin passes the described filtration sandwich layer that encloses frame in framework inside when fixing two frame bodies.
6. the manufacture method of an antimicrobial filtering refill includes the following step:
1) gets filter paper, be tiled on the guillotine with disinfection function;
2) utilize guillotine that filter paper is cut;
3) filter paper after will cutting is tiled on the fixed mount after taking out, stretching, again tiling one deck collodion above filter paper;
4) filter paper after getting another again and cutting, be tiled in the upside of described collodion after stretching, the filter opening opening that makes this metafiltration paper towards with the filter opening opening of preceding one deck towards opposite;
5) one deck collodion that tiles again;
6) press repeatedly repeating step 4 of the required thickness requirement of filter paper core) and 5), form certain thickness, and form the mesh that liquid or gas are flow through along thickness direction;
7) filter paper that tiling is finished is inserted in the baker in the lump together with fixed mount, makes the collodion fusing;
8) take out the cold of drying in the air, it is fixed with framework.
7. according to the manufacture method of the antimicrobial filtering refill described in the claim 6, it is characterized in that: described filter paper adds in papermaking process the antibiotic short fiber of terylene, wherein contains the inorganic fungicide of tool broad-spectrum bactericidal capacity in the antibiotic short fiber of terylene.
8. according to the manufacture method of the antimicrobial filtering refill described in the claim 6, it is characterized in that: in the described step 1), be included in filter paper is tiled in guillotine sprays organic anti-bacterial liquid before earlier toward the filter paper surface step, wherein organic anti-bacterial liquid is the biguanides disinfectant.
9. according to the manufacture method of the antimicrobial filtering refill described in the claim 6, it is characterized in that: described step 2), be distributed with on the filter paper after cutting by guillotine many parallel, discontinuous and after firmly stretching, can form the seam of opening towards the filter opening of a direction.
10. according to the manufacture method of the antimicrobial filtering refill described in the claim 6, it is characterized in that: described collodion melts after heating, and two adjacent filter paper are bonded together at the position that is in contact with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03134760 CN1275675C (en) | 2003-09-29 | 2003-09-29 | Antibiotic filter element and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03134760 CN1275675C (en) | 2003-09-29 | 2003-09-29 | Antibiotic filter element and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1602990A true CN1602990A (en) | 2005-04-06 |
| CN1275675C CN1275675C (en) | 2006-09-20 |
Family
ID=34659093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03134760 Expired - Lifetime CN1275675C (en) | 2003-09-29 | 2003-09-29 | Antibiotic filter element and its manufacturing method |
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| Country | Link |
|---|---|
| CN (1) | CN1275675C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224364B (en) * | 2006-10-19 | 2012-07-18 | 日东电工株式会社 | Filter unit and filter unit panel |
| CN104146347A (en) * | 2014-06-17 | 2014-11-19 | 山东普华紫光环保设备有限公司 | Filter for removing cigarette nicotine |
| CN106286417A (en) * | 2016-10-21 | 2017-01-04 | 苏州英德尔室内空气技术有限公司 | A kind of EFU special efficient air filter |
| CN109890478A (en) * | 2016-10-27 | 2019-06-14 | 曼·胡默尔有限公司 | Cleaning liquid element, cleaning liquid system and the method for producing cleaning liquid element |
-
2003
- 2003-09-29 CN CN 03134760 patent/CN1275675C/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224364B (en) * | 2006-10-19 | 2012-07-18 | 日东电工株式会社 | Filter unit and filter unit panel |
| CN104146347A (en) * | 2014-06-17 | 2014-11-19 | 山东普华紫光环保设备有限公司 | Filter for removing cigarette nicotine |
| CN104146347B (en) * | 2014-06-17 | 2017-03-22 | 山东零零壹生物科技有限公司 | Filter for removing cigarette nicotine |
| CN106286417A (en) * | 2016-10-21 | 2017-01-04 | 苏州英德尔室内空气技术有限公司 | A kind of EFU special efficient air filter |
| CN109890478A (en) * | 2016-10-27 | 2019-06-14 | 曼·胡默尔有限公司 | Cleaning liquid element, cleaning liquid system and the method for producing cleaning liquid element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1275675C (en) | 2006-09-20 |
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Denomination of invention: Antibiotic filter element and its manufacturing method Effective date of registration: 20111220 Granted publication date: 20060920 Pledgee: Wang Shugui Pledgor: Beijing Yadu Indoor Environment Protection Technology Co.,Ltd. Registration number: 2011990000500 |
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Owner name: SUZHOU YADU ENVIRONMENTAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING YADU INDOOR ENVIRONMENT PROTECTION TECHNOLOGY CO., LTD. Effective date: 20120504 |
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Free format text: CORRECT: ADDRESS; FROM: 102200 CHANGPING, BEIJING TO: 215159 SUZHOU, JIANGSU PROVINCE |
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Effective date of registration: 20120504 Address after: Su Fu Lu Guangfu town Suzhou city Jiangsu province 215159 No. 18-2 Patentee after: SUZHOU YADU ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: Zhongxing Road 102200 Beijing City, Changping District science and Technology Park in room No. 10 B232 Patentee before: Beijing Yadu Indoor Environment Protection Technology Co.,Ltd. |
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Address after: Wuzhong District Suzhou city Jiangsu province 215128 Bridge Road No. 111 Patentee after: YADU TECHNOLOGY GROUP CO.,LTD. Address before: Su Fu Lu Guangfu town Suzhou city Jiangsu province 215159 No. 18-2 Patentee before: SUZHOU YADU ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20060920 |