CA2142857C - Filtre-tige; methode et dispositif pour sa fabrication - Google Patents
Filtre-tige; methode et dispositif pour sa fabrication Download PDFInfo
- Publication number
- CA2142857C CA2142857C CA002142857A CA2142857A CA2142857C CA 2142857 C CA2142857 C CA 2142857C CA 002142857 A CA002142857 A CA 002142857A CA 2142857 A CA2142857 A CA 2142857A CA 2142857 C CA2142857 C CA 2142857C
- Authority
- CA
- Canada
- Prior art keywords
- filaments
- filament
- diameter
- filter element
- forming means
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000001914 filtration Methods 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000012260 resinous material Substances 0.000 claims description 18
- 238000010924 continuous production Methods 0.000 claims description 9
- 230000004323 axial length Effects 0.000 claims description 6
- 238000009751 slip forming Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 31
- 239000007789 gas Substances 0.000 description 18
- 230000007246 mechanism Effects 0.000 description 11
- 239000000835 fiber Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- -1 polypropylenes Polymers 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000011045 prefiltration Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/111—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/182—Filters characterised by the openings or pores for depth filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Materials (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/932,620 US5340479A (en) | 1992-08-20 | 1992-08-20 | Depth filter cartridge and method and apparatus for making same |
| US07/932,620 | 1992-08-20 | ||
| PCT/US1993/007924 WO1994004243A1 (fr) | 1992-08-20 | 1993-08-19 | Cartouche a filtre de profondeur et ses procede et appareil de production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2142857A1 CA2142857A1 (fr) | 1994-03-03 |
| CA2142857C true CA2142857C (fr) | 2007-03-06 |
Family
ID=37891534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002142857A Expired - Lifetime CA2142857C (fr) | 1992-08-20 | 1993-08-19 | Filtre-tige; methode et dispositif pour sa fabrication |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2142857C (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK3065844T3 (da) | 2013-11-06 | 2017-11-27 | Gen Electric | Smelteblæst dybdefilter, fremgangsmåde og maskine til at fremstille det |
| US11845019B2 (en) | 2013-11-06 | 2023-12-19 | Bl Technologies, Inc. | Large format melt-blown depth filter cartridge |
| US11266936B2 (en) | 2015-04-28 | 2022-03-08 | Bl Technologies, Inc. | Melt-blown depth filter element, method and machine of making it |
| CN110053273B (zh) * | 2019-05-24 | 2023-11-07 | 芜湖滤森净化设备有限公司 | 一种滤芯的高温熔喷工艺 |
-
1993
- 1993-08-19 CA CA002142857A patent/CA2142857C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2142857A1 (fr) | 1994-03-03 |
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| CA2142857C (fr) | Filtre-tige; methode et dispositif pour sa fabrication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |