CN101385947A - Circular plate type super-filter - Google Patents
Circular plate type super-filter Download PDFInfo
- Publication number
- CN101385947A CN101385947A CNA2008101216883A CN200810121688A CN101385947A CN 101385947 A CN101385947 A CN 101385947A CN A2008101216883 A CNA2008101216883 A CN A2008101216883A CN 200810121688 A CN200810121688 A CN 200810121688A CN 101385947 A CN101385947 A CN 101385947A
- Authority
- CN
- China
- Prior art keywords
- pipe
- filter
- plate type
- circular plate
- water producing
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 239000010865 sewage Substances 0.000 claims abstract description 5
- 230000002411 adverse Effects 0.000 claims description 12
- 230000001174 ascending effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000000108 ultra-filtration Methods 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 2
- 239000008213 purified water Substances 0.000 abstract 2
- 230000007774 longterm Effects 0.000 abstract 1
- 239000012510 hollow fiber Substances 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 235000012489 doughnuts Nutrition 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a disk type millipore filter which comprises a barrel. The barrel is internally provided with a disk type millipore membrane component which comprises a contributing water pipe; the two ends of the barrel are respectively provided with barrel cover components. One barrel cover component is provided with a raw water inlet connection tube and a gas inlet connection tube; the other barrel cover component is provided with a sewage discharging connection tube and a gas discharging connection tube; the barrel cover components are also provided with a purified water outlet connection tube; the contributing water pipe is provided with a plurality of permeable holes; the two ends of the contributing water pipes are communicated with the purified water outlet connection tube. The pressure reduction of disk type membrane groups is small; membranes are difficult to damage and can be used for long term; the interfaces of membranes are provided with open-end free air space, thus having no dead angles and being easily to clean; the membrane surface is smooth; the filter can not be blocked, and has the characteristics of anti-chemical cleaning and non viscidity; once isolates and impurities accumulate on the membrane surface, the disk type millipore framework is only needed to be taken out and cleaned with clean water.
Description
[technical field]
The present invention relates to be applied to the drink water purifying of water treatment field and the circular plate type milipore filter device of liquid clarification filtration.
[technical background]
The most hollow fiber ultrafiltration membrane that adopt of milipore filter device are made both at home and abroad at present.The hollow fiber uf membrane system shell can use ABS (acrylonitrile-butadiene-styrene copolymer), PMMA (polymethyl methacrylate), UPVC various material such as (PVC-Us) to make.This device by cylindrical shell and up and down the bonding cover in two ends form.The upper end cover is provided with a raw water inlet and takes over, and next door one side is provided with a delivery port and takes over, and lower end cover and the design of upper end cover are basic identical, and just the raw water inlet of upper end is taken over and become the delivery port adapter.Cover and cylindrical shell socket joint are bonding.The hollow fiber ultrafiltration membrane silk is housed in the cylindrical shell, its general high-intensity PP (polypropylene), PAN (polypropylene is fine), PVC (polyvinyl chloride), PS (polysulfones), PVDF material manufacturings such as (Kynoar), film silk employing self-supporting doughnut loose structure of adopting.The operation principle of hollow fiber uf membrane system is mainly divided external-compression type and inner pressed.Inner pressed is that former water is taken over the doughnut inside that enters in the cylindrical shell from the water inlet on the cover of cylindrical shell upper end, wherein small-molecule substance becomes two the delivery ports discharges of ultrafiltration water from cylindrical shell one side through hollow fiber ultrafiltration membrane under pressure, macromolecular substances, colloidal particle and bacterium etc. are trapped within the hollow fiber ultrafiltration membrane inner surface becomes condensed water, discharges from the delivery port of cylindrical shell lower end.External-compression type is that former water enters through the central dispense pipe from the water inlet adapter on the cover of cylindrical shell upper end, under pressure, most of material, colloidal particle and bacterium etc. are trapped within the doughnut film outer surface, solvent in the former water and micromolecular water see through hollow-fibre membrane becomes ultrafiltration water, discharge from cylindrical shell lower end delivery port, and condensed water is discharged from two delivery ports of cylindrical shell one side.Owing to have the hollow fiber membrane device material now and make former thereby have following shortcoming: 1. easy fracture of wire causes leakage because the film silk is thin.2. hollow fiber uf membrane system needs pretreatment process, otherwise will stop up hollow-fibre membrane, and inner pressed is even more serious.3. hollow fiber uf membrane system pollutes comparatively difficulty of back cleaning.
[summary of the invention]
Purpose of the present invention is exactly in order to solve problems of the prior art, proposes a kind of not fragile, difficult circular plate type super-filter easily that stops up and clean.
For achieving the above object, patent of the present invention has proposed a kind of circular plate type super-filter, comprise cylindrical shell, be provided with the circular plate type hyperfiltration membrane assembly that comprises water producing pipe in the described cylindrical shell, the two ends of cylindrical shell are respectively arranged with the cover assembly, a described cover assembly is provided with original water inlet and takes over and the gas entrance sleeve, another cover assembly is provided with sewage outlet connection and gas outlet connection, also being provided with pure water inlet on the cover assembly takes over, described water producing pipe is provided with some permeable holes, and the two ends of water producing pipe are taken over pure water inlet and communicated.
As preferably, described circular plate type hyperfiltration membrane assembly comprises two or more water producing pipes, head and the tail adopt first junction block fixedly connected after bonding successively again between each water producing pipe, the left end of high order end water producing pipe adopts first junction block and second junction block to be connected on the cover assembly of left end, the right-hand member of low order end water producing pipe adopts first junction block and second junction block to be connected on the cover assembly of right-hand member, and also block at the two ends of each water producing pipe fixation kit.
As preferably, described fixation kit is catch and the spacer that adopts threaded connector to be connected.
As socket joint on the preferred described water producing pipe flat milipore filter is arranged, described flat milipore filter employing center is provided with the circular ultrafiltration diaphragm of circular hole, and circular hole edge is provided with one or above locking plate.
As preferably, described circular ultrafiltration diaphragm upward filtration membrane aperture is 0.01 μ m-0.1 μ m.
As preferably, establish the permeable hole of two row's symmetries on the described water producing pipe.
As preferably, described cover assembly comprises pipe connection, top cover, union (screwed)bonnet (UB, one pipe connection is provided with original water inlet and takes over and the gas entrance sleeve, another pipe connection is provided with sewage outlet connection and gas outlet connection, top cover is provided with pure water inlet and takes over, the junction external diameter of described pipe connection and top cover matches with the internal diameter of union (screwed)bonnet (UB, union (screwed)bonnet (UB is placed on pipe connection and the top cover it is fixed.
As preferably, described gas feed is taken on the qi of chong channel ascending adversely pipe connections that places in the pipe connection, inserts long qi of chong channel ascending adversely pipe and short qi of chong channel ascending adversely pipe on the qi of chong channel ascending adversely pipe connections.
As preferably, also have the aperture that can connect Pressure gauge and blast pipe on the described top cover.
As preferably, described cylindrical shell adopts polythene material to make, and the cover assembly adopts rigid polyvinyl chloride material to make.
The beneficial effect of patent of the present invention: circular plate type film group of the present invention pressure drop is little, diaphragm is not fragile, can use for a long time, and open free air space be arranged, no dead angle between face, clean easily, face is smooth, can not stop up, and also has anti-Chemical cleaning and is not stained with sticking characteristic, in case separator and impurity are piled up at face, just can with the clear water flushing.Circular plate type milipore filter aperture is 0.01-0.1 μ m, and bacterium is 0.2-100 μ m, protozoa 2-200 μ m, algae〉1 μ m, viral 0.015-0.2 μ m, general solid suspension〉2 μ m, so the circular plate type milipore filter forms absolute barrier, object greater than the space can't penetrate, and produces water during high concentration and still keeps limpidly, can ensure safe drinking water.The circular plate type milipore filter filters the water yield for every square metre and reaches 15-30LPH/Bar, and is bigger than hollow-fibre membrane circulation.Product of the present invention belongs to green product, and all flat sheet membrane materials are all recyclable.
[description of drawings]
Fig. 1 is the structural representation of circular plate type super-filter of the present invention;
Fig. 2 is the explosive view of circular plate type super-filter of the present invention;
Fig. 3 is the structural representation of circular plate type super-filter middle plateform formula milipore filter of the present invention;
Fig. 4 is the structural representation of top cover in the circular plate type super-filter of the present invention;
Fig. 5 is the structural representation of water producing pipe in the circular plate type super-filter of the present invention;
Fig. 6 is the structural representation of qi of chong channel ascending adversely pipe connections in the circular plate type super-filter of the present invention.
[specific embodiment]
Consult Fig. 1,2,3,4,5,6, circular plate type super-filter mainly comprises cylindrical shell 1, cover assembly and places circular plate type hyperfiltration membrane assembly in the cylindrical shell 1, and cylindrical shell 1 adopts polyethylene (PE) material to make, its length can according to water yield what and decide.The cover assembly at two ends adopts high strength, corrosion resistant PVC-U (UPVC) material to be made, and is bonding with cylindrical shell 1 socket joint.The circular plate type hyperfiltration membrane assembly is placed on the cylindrical shell 1, and two ends tube connector sub-connecting member 4 is formed with top cover 3 sealings.This circular plate type hyperfiltration membrane assembly is formed water producing pipe 9 by shorter water producing pipe by threaded connector 17, and its two ends connection catch 8 and spacer 7 fixedly form.Water producing pipe 9 is provided with the permeable hole 20 of two row's symmetries, former water becomes water purification to enter water producing pipe 9 discharges through these permeable holes 20 behind membrane filtration, the two ends of water producing pipe 9, one end is a screw thread, link to each other with pipe connection with second junction block 5 by first junction block 6, the other end is smooth, and is bonding with other water producing pipes 9, adds the longer water producing pipe 9 of first junction block, 6 fixing compositions.Socket joint has flat milipore filter 21 on the described water producing pipe 9, described flat milipore filter 21 employing centers are provided with the circular ultrafiltration diaphragm of circular hole 22, circular hole 22 edges are provided with 3 locking plates 23, by locking plate 23 snappings, form the interlocking structure between film and the film between each flat milipore filter 21.Its internal diameter and water producing pipe 9 external diameters are complementary, and diaphragm is nestable in water producing pipe 9.The two ends of water producing pipe 9 are thinner compared to the centre, so form the boss of an annular.Its external diameter and catch 8, spacer 7 and threaded connector 17 internal diameters are complementary, and catch 8, spacer 7 usefulness threaded connectors 17 are connected, and are placed in water producing pipe 9 two ends and just block.Water producing pipe 9 one ends connect first junction block 6 and second junction block 5, are connected with top cover 3 as reservation member.The plate-type hyperfiltration membrane skeleton is placed in the cylindrical shell 1.Cylindrical shell 1 two ends connect the pipe connection 4 of tubular, its both sides are equipped with small one and large one two adapters, less on the pipe connection 4 of one end is that gas feed takes over 15, bigger is that former water water inlet takes over 14, what the pipe connection 4 of the other end was less then is that gas vent takes over 12, and bigger is that outlet of sewer takes over 13.Gas feed is taken over 15 and is placed the part in the pipe connection to connect qi of chong channel ascending adversely pipe connections 19, and long qi of chong channel ascending adversely pipe 10 and short qi of chong channel ascending adversely pipe 11 are inserted in its hole.Pipe connection 4 one ends are screw threads, and the screw thread outer peripheral face of inner circumferential surface and top cover 3 is sealed and matched, and top cover 3 fillets of screw are provided with elastic tape, play sealing function.Top cover 3 is provided with pure water inlet and takes over 16, and its other aperture 18 in addition can connect Pressure gauge and blast pipe.The junction external diameter of pipe connection 4 and top cover 3 and the internal diameter of union (screwed)bonnet (UB 2 are complementary, and the union (screwed)bonnet (UB cover is fixed it thereon.
The foregoing description is to explanation of the present invention, is not limitation of the invention, any scheme after the simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (10)
1. circular plate type super-filter, it is characterized in that: comprise cylindrical shell (1), be provided with the circular plate type hyperfiltration membrane assembly that comprises water producing pipe (9) in the described cylindrical shell (1), the two ends of cylindrical shell (1) are respectively arranged with the cover assembly, a described cover assembly is provided with original water inlet and takes over (14) and gas entrance sleeve (15), another cover assembly is provided with sewage outlet connection (13) and gas outlet connection (12), also be provided with pure water inlet on the cover assembly and take over (16), described water producing pipe (9) is provided with some permeable holes, and the two ends of water producing pipe (9) are taken over (16) with pure water inlet and communicated.
2. circular plate type super-filter as claimed in claim 1, it is characterized in that: described circular plate type hyperfiltration membrane assembly comprises two or more water producing pipe (9), head and the tail adopt first junction block (6) fixedly connected after bonding successively again between each water producing pipe (9), the left end of high order end water producing pipe (9) adopts first junction block (6) and second junction block (5) to be connected on the cover assembly of left end, the right-hand member of low order end water producing pipe (9) adopts first junction block (6) and second junction block (5) to be connected on the cover assembly of right-hand member, and also block at the two ends of each water producing pipe (9) fixation kit.
3. circular plate type super-filter as claimed in claim 2 is characterized in that: described fixation kit is catch (8) and the spacer (7) that adopts threaded connector (17) to be connected.
4. circular plate type super-filter as claimed in claim 3, it is characterized in that: described water producing pipe (9) is gone up socket joint flat milipore filter (21), described flat milipore filter (21) employing center is provided with the circular ultrafiltration diaphragm of circular hole (22), and circular hole (22) edge is provided with one or above locking plate (23).
5. circular plate type super-filter as claimed in claim 4 is characterized in that: described circular ultrafiltration diaphragm upward filtration membrane aperture is 0.01 μ m-0.1 μ m.
6. circular plate type super-filter as claimed in claim 5 is characterized in that: the permeable hole of establishing two row's symmetries on the described water producing pipe (9).
7. circular plate type super-filter as claimed in claim 1, it is characterized in that: described cover assembly comprises pipe connection (4), top cover (3), union (screwed)bonnet (UB (2), one pipe connection (4) is provided with original water inlet and takes over (14) and gas entrance sleeve (15), another pipe connection (4) is provided with sewage outlet connection (13) and gas outlet connection (12), top cover (3) is provided with pure water inlet and takes over (16), the junction external diameter of described pipe connection (4) and top cover (3) matches with the internal diameter of union (screwed)bonnet (UB (2), union (screwed)bonnet (UB is placed on pipe connection (4) and the top cover (3) it is fixed.
8. circular plate type super-filter as claimed in claim 7, it is characterized in that: described gas feed is taken over (15) and is placed on the interior qi of chong channel ascending adversely pipe connections (19) of pipe connection (4), and qi of chong channel ascending adversely pipe connections (19) is gone up and inserted long qi of chong channel ascending adversely pipe (10) and short qi of chong channel ascending adversely pipe (11).
9. circular plate type super-filter as claimed in claim 8 is characterized in that: also have the aperture (18) that can connect Pressure gauge and blast pipe on the described top cover (3).
10. as any one described circular plate type super-filter in the claim 1 to 9, it is characterized in that: described cylindrical shell (1) adopts polythene material to make, and the cover assembly adopts rigid polyvinyl chloride material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101216883A CN101385947B (en) | 2008-10-17 | 2008-10-17 | Circular plate type super-filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101216883A CN101385947B (en) | 2008-10-17 | 2008-10-17 | Circular plate type super-filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101385947A true CN101385947A (en) | 2009-03-18 |
| CN101385947B CN101385947B (en) | 2011-07-27 |
Family
ID=40475736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101216883A Active CN101385947B (en) | 2008-10-17 | 2008-10-17 | Circular plate type super-filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101385947B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823780A (en) * | 2010-04-30 | 2010-09-08 | 湖州恒鑫过滤科技有限公司 | Soft sheet film method waste water treatment intensive device |
| CN108348861A (en) * | 2015-11-18 | 2018-07-31 | 三菱重工环境·化学工程株式会社 | Membrane module and water treatment system |
| CN109574211A (en) * | 2018-12-10 | 2019-04-05 | 智造起源科技有限公司 | A kind of pocket type plate film group device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2882771Y (en) * | 2005-11-30 | 2007-03-28 | 美的集团有限公司 | Pipeline type ultrafiltration water purifier |
| CN201275466Y (en) * | 2008-10-17 | 2009-07-22 | 魏新时 | Circular plate type super-filter |
-
2008
- 2008-10-17 CN CN2008101216883A patent/CN101385947B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823780A (en) * | 2010-04-30 | 2010-09-08 | 湖州恒鑫过滤科技有限公司 | Soft sheet film method waste water treatment intensive device |
| CN108348861A (en) * | 2015-11-18 | 2018-07-31 | 三菱重工环境·化学工程株式会社 | Membrane module and water treatment system |
| CN108348861B (en) * | 2015-11-18 | 2021-03-30 | 三菱重工环境·化学工程株式会社 | Membrane module and water treatment system |
| CN109574211A (en) * | 2018-12-10 | 2019-04-05 | 智造起源科技有限公司 | A kind of pocket type plate film group device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101385947B (en) | 2011-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211886277U (en) | Compound filter element group spare and water purification system | |
| CN201275466Y (en) | Circular plate type super-filter | |
| AU2013101711A4 (en) | Hollow fiber membrane module and hollow fiber membrane module unit | |
| CN101385947B (en) | Circular plate type super-filter | |
| CN201437073U (en) | Tubular composite membrane component | |
| CN111977750B (en) | RO reverse osmosis membrane filtration purification filter core fixing system | |
| CN209254516U (en) | A kind of reverse osmosis membrane | |
| AU2002236864B2 (en) | Hollow fiber membrane cassette | |
| CN214552570U (en) | Ultrafiltration membrane filtering component | |
| CN214571077U (en) | Single silicon carbide ceramic membrane purifier | |
| CN101507901A (en) | Hyperfiltration membrane foldable filter element | |
| CN208517096U (en) | A kind of filter element of water purifier facilitating grafting | |
| CN210656278U (en) | Ceramic nanofiltration membrane component for water purifier | |
| CN210057907U (en) | Membrane module | |
| AU2002236864A1 (en) | Hollow fiber membrane cassette | |
| CN213668717U (en) | Filtration experimental device of vacuum tube membrane | |
| CN113490646A (en) | Liquid purification system | |
| CN112340870A (en) | Single silicon carbide ceramic membrane purifier | |
| CN107777796A (en) | A kind of more periosteum hyperfiltration treatment waste plants of combined type | |
| CN207056129U (en) | A kind of murexide mother liquor pretreatment unit | |
| JP5581086B2 (en) | Ceramic filter module | |
| CN116099368B (en) | External pressure type filter | |
| CN217312780U (en) | Clean medical filtering membrane assembly | |
| CN216764617U (en) | Simple structure's water purifier filter core | |
| KR200296368Y1 (en) | Filter cartridge having doule hollow filled up filter-materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUZHOU HENGXIN FILTERING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WEI XINSHI Effective date: 20120516 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120516 Address after: 313000 eight Li store (Lu Wangcun) Industrial Park, Zhejiang, Huzhou Patentee after: Huzhou Hengxin Filter Technology Co., Ltd. Address before: 313000 Zhejiang city of Huzhou province two Bridge Park Court Building 9 Room 301 Ming Patentee before: Wei Xinshi |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190816 Address after: 313000 4th Floor, 388 Building, Tanjiagang Road, Balidian Town, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Huzhou Ding Tai film Film Technology Co., Ltd. Address before: 313000 eight Li store (Lu Wangcun) Industrial Park, Zhejiang, Huzhou Patentee before: Huzhou Hengxin Filter Technology Co., Ltd. |