CN108721990A - A kind of enhancing y-type filter - Google Patents
A kind of enhancing y-type filter Download PDFInfo
- Publication number
- CN108721990A CN108721990A CN201810345325.1A CN201810345325A CN108721990A CN 108721990 A CN108721990 A CN 108721990A CN 201810345325 A CN201810345325 A CN 201810345325A CN 108721990 A CN108721990 A CN 108721990A
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- Prior art keywords
- water inlet
- wall
- inlet pipe
- pipe
- fixedly connected
- 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
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000000452 restraining effect Effects 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of enhancing y-type filters,Including shell,Shell includes water inlet pipe,The screen pipe being connected to water inlet pipe and the outlet pipe being connected to screen pipe,The basket filter core for crossing drainage is provided in screen pipe,Screen pipe is fixedly connected with the connecting tube being connected to screen pipe in one end far from water inlet pipe,Connecting tube is connected with the cover board for activity closing connecting tube,Water inlet pipe is fixedly connected with screen pipe and the axial line of water inlet pipe and screen pipe is in a straight line,The inner wall of water inlet pipe is fixedly connected with restraining position ring block,The outer wall of spacing ring is in the limiting slot for being provided with annular close to one end of screen pipe,One end of the opening of filter core is located in limiting slot and is close to the inner wall of water inlet pipe,It is close to cover board and the inner wall of connecting tube in closed one end of filter core,It is close to water inlet pipe and connecting tube respectively in the both ends of filter core,Deformation is not susceptible to when filter core receives water impact,Extend the service life of filter core,Keep the filter effect of filter.
Description
Technical field
The present invention relates to fluid media (medium) pipeline filter, more particularly to a kind of enhancing y-type filter.
Background technology
Y-type filter is a kind of indispensable filter device of the pipe-line system of pumped (conveying) medium, many fluid media (medium) pipelines
It is middle to use y-type filter, such as steam feed pump inlet.Existing y-type filter includes valve body, filter core, valve deck, and valve body is included in
Input port, output port on same central axis and be connected between input port and output port and thereon port with it is defeated
The filter core of tubular is arranged towards the inclined side neck of output port in inbound port connection, lower port in side neck, is arranged in side neck lower port
The valve deck being tightly connected with it.
Notification number is that the Chinese patent of CN205867749U discloses a kind of enhancing y-type filter, including valve body, filter core,
Valve deck；Valve body include input port on same central axis, output port and be connected to input port and output port it
Between and port is connected to input port, lower port is towards the inclined side neck of output port thereon, the filter core of tubular is set in side neck,
The outside arc-shaped convex on the valve deck that the setting of side neck lower port is tightly connected with it, filter core middle part whole circumference, forms arch
Shape component.
But the enhancing y-type filter is after filter core is deformed by water impact, the junction meeting between filter core and valve body middle part
It detaches, flow directly can flow to output port from input port through the gap between filtration core and valve body middle part, filter
The deformation of core makes filter lose filter effect, has much room for improvement.
Invention content
In view of the deficienciess of the prior art, the technical purpose of the present invention is to provide a kind of enhancing y-type filter, have
There is the advantages of filter core is not susceptible to deformation.
The present invention technical purpose technical scheme is that：
A kind of enhancing y-type filter, including shell, the shell include water inlet pipe, the screen pipe being connected to water inlet pipe and with mistake
The outlet pipe of chimney filter connection, is provided with the basket filter core for crossing drainage in the screen pipe, the screen pipe far from into
One end of water pipe is fixedly connected with the connecting tube being connected to screen pipe, and the connecting tube is connected with for activity closing connecting tube
Cover board, the water inlet pipe is fixedly connected with screen pipe and the axial line of water inlet pipe and screen pipe is in a straight line, it is described go out
Water pipe is fixedly connected with the side wall of screen pipe and outlet pipe is tilted towards close to the direction of water inlet pipe, and the inner wall of the water inlet pipe is solid
Surely restraining position ring block is connected, the outer wall of the spacing ring is in the limiting slot for being provided with annular close to one end of screen pipe, the filter core
One end of opening be located in limiting slot and be close to the inner wall of water inlet pipe, cover board and company are close in closed one end of the filter core
The inner wall taken over.
By using above-mentioned technical proposal, water flows into screen pipe after water inlet pipe entrance and flows into inside filter core, flow stream
Change flow direction after moving to the closed one end of filter core and the sieve pore on filter core flows into outlet pipe, is finally left from outlet pipe
Filter, after the sieve pore that flow passes through on filter core, the grain size in flow is more than the impurity of sieve diameter by filter element filtering and water
Flow separation, and filter core is limited between spacing ring and cover board, and water inlet pipe and connecting tube are close in the both ends of filter core respectively, are filtering
Core receives to be not susceptible to deformation when water impact, and spacing ring prevents filter core by direct water impact, and flow was entering
The inner wall of spacing ring is initially entered before chimney filter, to be collided to filter core, and flow flows to the closed one end of filter core
It has an effect between Shi Shuiliu and filter core power, and cover board plays support fixed function to filter core at this time, prevents filter core from being rushed by flow
It hits and deforms, filter core does not deform and always situated in the service life between spacing ring and cover board, extending filter core, keeps
The filter effect of filter.
The present invention is further arranged to：The filter core includes outer filter cylinder and is connected in the inner wall of outer filter cylinder close to nozzle position
Interior filter cylinder, the outer wall of the interior filter cylinder is fixedly connected with the position-limited wing of the annular positioned at one end of opening, the outer filter cylinder
One end of opening is abutted with position-limited wing.
By using above-mentioned technical proposal, interior filter cylinder plays preliminary filtering and decelerating effect to flow first, reduces water
The speed of stream prevents water speed too fast and impacts the side wall of outer filter cylinder, and position-limited wing is between spacing ring and outer filter cylinder, in enhancing
Connective stability between filter cylinder and outer filter cylinder.
The present invention is further arranged to：The interior filter cylinder be provided with close to the position of position-limited wing it is multiple about interior filter cylinder
The blocked hole of axial line equal circumference distribution, the inner wall of the outer filter cylinder are fixedly connected with multiple be located in each blocked hole
Clamping block, each clamping block mutually agree with corresponding blocked hole.
By using above-mentioned technical proposal, by clamping block and blocked hole clamping to which interior filter cylinder and outer filter cylinder to be clamped,
Interior filter cylinder is detached with outer filter cylinder when preventing water from flowing through filtration core.
The present invention is further arranged to：The inwardly protruding formation boss in middle part of described closed one end of filter core, the cover board
It is fixedly connected with convex block in the position close to boss, there are gaps between the convex block and boss.
By using above-mentioned technical proposal, slight deformation occurs when receiving water impact for boss, and boss is towards close to convex
The direction of block deforms upon, even closer to make to connect between the closed one end of filter core and connecting tube, reduces filter core and is detached from company
The probability taken over.
The present invention is further arranged to：The screen pipe is directed away from the direction arch evagination of filter core, the screen pipe
Inner wall is fixedly connected with the support plate for the outer wall for being close to filter core.
By using above-mentioned technical proposal, the internal diameter of screen pipe is larger, and flow subtracts from flow velocity after water inlet pipe inflow screen pipe
It is small, the impact force of filter core is also reduced, to reduce the probability that filter core deforms upon, and support plate plays support to filter core and makees
With the probability that reduction filter core deforms upon.
The present invention is further arranged to：The both ends of the inner wall of the spacing ring are both provided with chamfering.
By using above-mentioned technical proposal, flow flows through spacing ring during flowing into screen pipe from water inlet pipe, passes through limit
The chamfering guiding flow at the inner wall both ends of position ring flows into spacing ring and outflow spacing ring, and flow is made more smoothly to flow, to
The probability of the side wall of water impact filter core is reduced, and then reduces the probability that filter core deforms upon.
The present invention is further arranged to：The inner wall of the water inlet pipe is provided with the deceleration device for reducing water speed, described
Deceleration device includes the fixed plate that multiple through-holes are fixedly connected with and be equipped with the inner wall of water inlet pipe, and the fixed plate is close to mistake
Chimney filter is fixedly connected with spring on one side, and the spring is fixedly connected with moving member in one end far from fixed plate.
By using above-mentioned technical proposal, fixed plate is first passed around after flow enters water inlet pipe and is slowed down by first time,
Using moving member, flow elongates spring to the impact force of moving member, to convert the kinetic energy of flow to the elastic potential of spring
Can, and then reduce the speed of flow, and when water flow impact pressure is excessive, moving member is elongated near spacing ring, moving member with
Spacing ring closer to showing that water speed is faster, and moving member and spacing ring closer to allow by flow flow it is smaller, thus
Ensure that the speed into the flow of screen pipe will not be excessive, protects filter core not to be hit.
The present invention is further arranged to：The moving member is cone and its conical surface is fixedly connected with spring, the movement
The bottom surface periphery of part is provided with chamfering.
By using above-mentioned technical proposal, flow is flowed into along the conical surface of moving member between moving member and water inlet pipe, then suitable
The chamfering for moving member bottom surface flows into spacing ring, and guiding flow flowing prevents flow disorderly.
In conclusion the invention has the advantages that：
1, water velocity, then the moving flow by the spring in deceleration device are tentatively slowed down by the fixed plate in deceleration device
It can be converted into the elastic potential energy of spring, further decrease water speed, water speed is reduced by interior filter cylinder again, and larger by internal diameter
Screen pipe slows down water speed, and flow is significantly reduced filter core and deformed upon by smaller to the impact force of filter core after multi-stage speed-reducing
Probability, extend the service life of filter core；
2, the one end for preventing flow to be open filter core by spacing ring causes to impact, and the shape of filter core outer wall is maintained by support plate
Shape maintains the shape of the closed one end of filter core by cover board and the inner wall of connecting tube, reduces the probability that filter core deforms upon；
3, the extruding force between the closed one end of filter core and the inner wall of connecting tube is increased by the slight deformation of boss, to reduce
The probability that filter core is detached with the inner wall of connecting tube, the one end for preventing filter core to be open by spacing ring are detached from water inlet pipe, to
The probability that filter core is detached with the inner wall of water inlet pipe is reduced, and then reduces the probability that filter core is detached with shell, extends filter
The service life of core.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the three dimensional sectional view of the present invention；
Fig. 3 is the exploded perspective view of the filter core and spacing ring of the present invention.
Reference numeral：1, shell；11, water inlet pipe；111, spacing ring；112, limiting slot；12, screen pipe；121, support plate；
13, outlet pipe；14, connecting tube；2, deceleration device；21, fixed plate；22, spring；23, moving member；3, filter core；31, outer filter cylinder；
311, clamping block；312, boss；32, interior filter cylinder；321, blocked hole；322, position-limited wing；4, cover board；41, convex block；42, bolt.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
As depicted in figs. 1 and 2, a kind of enhancing y-type filter, including shell 1, be set to inside shell 1 for reducing
It the deceleration device 2 of water speed, the basket filter core 3 for being used for drainage that is set to inside shell 1 and is connect with one end of shell 1
Cover board 4.Shell 1 includes water inlet pipe 11, the screen pipe 12 being connected to water inlet pipe 11, the outlet pipe being connected to the side wall of screen pipe 12
13 and the connecting tube 14 that is fixedly connected and is connected to screen pipe 12 in one end far from water inlet pipe 11 with screen pipe 12.Water inlet pipe 11
It is fixedly connected with screen pipe 12 and water inlet pipe 11 and the axial line of screen pipe 12 is in a straight line, outlet pipe 13 and screen pipe
12 side wall is fixedly connected and outlet pipe 13 is tilted towards close to the direction of water inlet pipe 11, connecting tube 14 by bolt 42 be used for
The cover board 4 of activity closing connecting tube 14 is detachably connected.Screen pipe 12 is directed away from the direction arch evagination of filter core 3, screen pipe
12 inner wall is fixedly connected with the support plate 121 of more than two outer walls for being close to filter core 3.
As shown in Fig. 2, deceleration device 2 includes that more than two through-holes are fixedly connected with and be equipped with the inner wall of water inlet pipe 11
Fixed plate 21, fixed plate 21 is being fixedly connected with spring 22 on one side close to screen pipe 12, and spring 22 is far from fixed plate 21
One end be fixedly connected with cone moving member 23, the conical surface of moving member 23 is fixedly connected with spring 22 and the periphery of its bottom surface
It is provided with chamfering.Water contacts deceleration device 2 first after the inflow of water inlet pipe 11, and flow is subtracted for the first time when passing through fixed plate 21
Speed, then for flow using moving member 23, flow elongates spring 22 to the impact force of moving member 23, so that the kinetic energy of flow be turned
The elastic potential energy of spring 22 is turned to, and then reduces the speed of flow.
As shown in Figures 2 and 3, the inner wall of water inlet pipe 11 is being fixedly connected with restraining position ring block 111 close to the position of screen pipe 12,
The outer wall of spacing ring 111 is in the limiting slot 112 for being provided with annular close to one end of screen pipe 12, and the two of the inner wall of spacing ring 111
End is both provided with chamfering.Flow flows into spacing ring 111, the chamfering guiding at the inner wall both ends of spacing ring 111 after deceleration device 2
Flow flows into spacing ring 111 and outflow spacing ring 111, and flow enters after flowing out spacing ring 111 in screen pipe 12.
As shown in Figures 2 and 3, one end of the opening of filter core 3 is located in limiting slot 112 and is close to the inner wall of water inlet pipe 11,
It is close to cover board 4 and the inner wall of connecting tube 14 in closed one end of filter core 3.Filter core 3 includes outer filter cylinder 31 and is connected in outer filter cylinder
For 31 inner wall close to the interior filter cylinder 32 of nozzle position, the hole size at the cylinder bottom of interior filter cylinder 32 is more than the logical of the side wall of interior filter cylinder 32
Hole size, the hole size of the side wall of interior filter cylinder 32 are identical as the hole size of the side wall of outer filter cylinder 31.The outer wall of interior filter cylinder 32
It is fixedly connected with the position-limited wing 322 of the annular positioned at one end of opening, one end and the position-limited wing 322 of the opening of outer filter cylinder 31 support
It connects, interior filter cylinder 32 is being provided with more than two axial line equal circumference about interior filter cylinder 32 point close to the position of position-limited wing 322
The inner wall of the blocked hole 321 of cloth, outer filter cylinder 31 is fixedly connected with more than two clampings being located in each blocked hole 321
Block 311, each clamping block 311 agree with 321 phase of corresponding blocked hole.3 closed one end of filter core is outer filter cylinder 31 closed one
The inwardly protruding formation boss 312 in middle part at end, cover board 4 are being fixedly connected with convex block 41, the convex block close to the position of boss 312
There are gaps between 41 and boss 312.Water is flowed into from spacing ring 111 in screen pipe 12, first passes around interior filter cylinder 32 by primary
Slow down and filter for the first time, then flow to the cylinder bottom of outer filter cylinder 31 and change flow direction and moved towards outlet pipe 13, passes through
Outer filter cylinder 31 is crossed to carry out second leaving filter into outlet pipe 13 after filtering.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (8)
1. a kind of enhancing y-type filter, including shell (1), the shell (1) includes water inlet pipe (11), connects with water inlet pipe (11)
Logical screen pipe (12) and the outlet pipe (13) being connected to screen pipe (12), be provided in the screen pipe (12) for drainage
Basket filter core (3), the screen pipe (12) far from water inlet pipe (11) one end be fixedly connected with screen pipe (12) even
Logical connecting tube (14), the connecting tube (14) are connected with the cover board (4) for activity closing connecting tube (14), it is characterized in that：
The water inlet pipe (11) is fixedly connected with screen pipe (12) and water inlet pipe (11) and the axis line location of screen pipe (12) are straight in one
On line, the outlet pipe (13) is fixedly connected with the side wall of screen pipe (12) and outlet pipe (13) is towards close to water inlet pipe (11)
Direction tilts, and the inner wall of the water inlet pipe (11) is fixedly connected with restraining position ring block (111), the outer wall of the spacing ring (111) by
One end of nearly screen pipe (12) is provided with the limiting slot (112) of annular, and one end of the opening of the filter core (3) is located at limiting slot
(112) inner wall that is interior and being close to water inlet pipe (11), cover board (4) and connecting tube are close in closed one end of the filter core (3)
(14) inner wall.
2. a kind of enhancing y-type filter according to claim 1, it is characterized in that：The filter core (3) includes outer filter cylinder (31)
It is fixedly connected with the outer wall of interior filter cylinder (32) of the inner wall close to nozzle position for being connected in outer filter cylinder (31), the interior filter cylinder (32)
There is the position-limited wing (322) of the annular positioned at one end of opening, one end of the opening of the outer filter cylinder (31) is supported with position-limited wing (322)
It connects.
3. a kind of enhancing y-type filter according to claim 2, it is characterized in that：The interior filter cylinder (32) is close to limit
The position of the wing (322) is provided with the blocked hole (321) that multiple axial line equal circumference about interior filter cylinder (32) are distributed, the outer filter
The inner wall of cylinder (31) is fixedly connected with multiple clamping blocks (311) being located in each blocked hole (321), each clamping
Block (311) mutually agrees with corresponding blocked hole (321).
4. a kind of enhancing y-type filter according to claim 1, it is characterized in that：In the closed one end of the filter core (3)
The inwardly protruding formation boss (312) in portion, the cover board (4) are fixedly connected with convex block (41), institute in the position close to boss (312)
State between convex block (41) and boss (312) that there are gaps.
5. a kind of enhancing y-type filter according to claim 1, it is characterized in that：The screen pipe (12) is directed away from filter
The inner wall of the direction arch evagination of core (3), the screen pipe (12) is fixedly connected with the support plate for the outer wall for being close to filter core (3)
(121)。
6. a kind of enhancing y-type filter according to claim 1, it is characterized in that：The two of the inner wall of the spacing ring (111)
End is both provided with chamfering.
7. a kind of enhancing y-type filter according to claim 1, it is characterized in that：The inner wall of the water inlet pipe (11) is arranged
It is useful for reducing the deceleration device (2) of water speed, the deceleration device (2) includes being fixedly connected and wearing with the inner wall of water inlet pipe (11)
Fixed plate (21) equipped with multiple through-holes, the fixed plate (21) are being fixedly connected with spring on one side close to screen pipe (12)
(22), the spring (22) is fixedly connected with moving member (23) in one end far from fixed plate (21).
8. a kind of enhancing y-type filter according to claim 7, it is characterized in that：The moving member (23) be cone and
Its conical surface is fixedly connected with spring (22), and the bottom surface periphery of the moving member (23) is provided with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345325.1A CN108721990B (en) | 2018-04-17 | 2018-04-17 | Enhanced Y-shaped filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345325.1A CN108721990B (en) | 2018-04-17 | 2018-04-17 | Enhanced Y-shaped filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108721990A true CN108721990A (en) | 2018-11-02 |
| CN108721990B CN108721990B (en) | 2020-08-07 |
Family
ID=63939604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810345325.1A Active CN108721990B (en) | 2018-04-17 | 2018-04-17 | Enhanced Y-shaped filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108721990B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110051560A (en) * | 2019-04-10 | 2019-07-26 | 绍兴美琪医疗科技有限公司 | A kind of sterile facial mask production technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB950810A (en) * | 1961-10-31 | 1964-02-26 | Fram Corp | Improvements in or relating to liquid filters |
| CN101495207A (en) * | 2006-07-28 | 2009-07-29 | Hydac过滤技术有限公司 | Filter system for fluids |
| CN202398187U (en) * | 2012-01-09 | 2012-08-29 | 浙江三花制冷集团有限公司 | Oil filter and air compressor |
| CN202473608U (en) * | 2012-02-02 | 2012-10-03 | 铜陵泽辉电子有限责任公司 | Silicon rubber ring for capacitor cover plate |
| CN204815906U (en) * | 2015-07-28 | 2015-12-02 | 温州市索特医药化工工程有限公司 | Pipeline filter |
| CN205294984U (en) * | 2015-12-08 | 2016-06-08 | 周永明 | Water filtration purification device |
| CN207122631U (en) * | 2017-07-10 | 2018-03-20 | 玉环县传业阀门有限公司 | A kind of Filtering ball valve |
-
2018
- 2018-04-17 CN CN201810345325.1A patent/CN108721990B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB950810A (en) * | 1961-10-31 | 1964-02-26 | Fram Corp | Improvements in or relating to liquid filters |
| CN101495207A (en) * | 2006-07-28 | 2009-07-29 | Hydac过滤技术有限公司 | Filter system for fluids |
| CN202398187U (en) * | 2012-01-09 | 2012-08-29 | 浙江三花制冷集团有限公司 | Oil filter and air compressor |
| CN202473608U (en) * | 2012-02-02 | 2012-10-03 | 铜陵泽辉电子有限责任公司 | Silicon rubber ring for capacitor cover plate |
| CN204815906U (en) * | 2015-07-28 | 2015-12-02 | 温州市索特医药化工工程有限公司 | Pipeline filter |
| CN205294984U (en) * | 2015-12-08 | 2016-06-08 | 周永明 | Water filtration purification device |
| CN207122631U (en) * | 2017-07-10 | 2018-03-20 | 玉环县传业阀门有限公司 | A kind of Filtering ball valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110051560A (en) * | 2019-04-10 | 2019-07-26 | 绍兴美琪医疗科技有限公司 | A kind of sterile facial mask production technology |
| CN110051560B (en) * | 2019-04-10 | 2022-04-05 | 绍兴美琪医疗科技有限公司 | Aseptic mask production process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108721990B (en) | 2020-08-07 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220613 Address after: 214026 Hu Dai Zhen Long Yan Cun, Binhu District, Wuxi City, Jiangsu Province Patentee after: WUXI XIXI CHEMICAL MACHINE FITTINGS WORKS Co.,Ltd. Address before: 325105 Dongou Industrial Zone, Dongou street, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: YONGJIA HENG VALVE CO.,LTD. |
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| TR01 | Transfer of patent right |