CN207856479U - 一种多层过滤无纺布 - Google Patents
一种多层过滤无纺布 Download PDFInfo
- Publication number
- CN207856479U CN207856479U CN201721635341.1U CN201721635341U CN207856479U CN 207856479 U CN207856479 U CN 207856479U CN 201721635341 U CN201721635341 U CN 201721635341U CN 207856479 U CN207856479 U CN 207856479U
- Authority
- CN
- China
- Prior art keywords
- filter
- layer
- filter layer
- nonwoven
- air
- 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.)
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- 238000001914 filtration Methods 0.000 title claims abstract description 26
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 24
- 239000012535 impurity Substances 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 230000000845 anti-microbial effect Effects 0.000 claims 1
- 239000004599 antimicrobial Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Landscapes
- Filtering Materials (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721635341.1U CN207856479U (zh) | 2017-11-29 | 2017-11-29 | 一种多层过滤无纺布 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721635341.1U CN207856479U (zh) | 2017-11-29 | 2017-11-29 | 一种多层过滤无纺布 |
Publications (1)
Publication Number | Publication Date |
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CN207856479U true CN207856479U (zh) | 2018-09-14 |
Family
ID=63467829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721635341.1U Active CN207856479U (zh) | 2017-11-29 | 2017-11-29 | 一种多层过滤无纺布 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207856479U (zh) |
-
2017
- 2017-11-29 CN CN201721635341.1U patent/CN207856479U/zh active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of multilayer filter non-woven fabric Effective date of registration: 20201203 Granted publication date: 20180914 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: Panjin Yu Wang Non-woven Co.,Ltd. Registration number: Y2020210000067 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211119 Granted publication date: 20180914 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: Panjin Yu Wang Non-woven Co.,Ltd. Registration number: Y2020210000067 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multi-layer filter non-woven fabric Effective date of registration: 20220119 Granted publication date: 20180914 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: Panjin Yu Wang Non-woven Co.,Ltd. Registration number: Y2022210000004 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230215 Granted publication date: 20180914 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: Panjin Yu Wang Non-woven Co.,Ltd. Registration number: Y2022210000004 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multilayer filter non-woven fabric Effective date of registration: 20230216 Granted publication date: 20180914 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: Panjin Yu Wang Non-woven Co.,Ltd. Registration number: Y2023210000024 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20180914 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: Panjin Yu Wang Non-woven Co.,Ltd. Registration number: Y2023210000024 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |