JPH029851Y2 - - Google Patents
Info
- Publication number
- JPH029851Y2 JPH029851Y2 JP1985113105U JP11310585U JPH029851Y2 JP H029851 Y2 JPH029851 Y2 JP H029851Y2 JP 1985113105 U JP1985113105 U JP 1985113105U JP 11310585 U JP11310585 U JP 11310585U JP H029851 Y2 JPH029851 Y2 JP H029851Y2
- Authority
- JP
- Japan
- Prior art keywords
- filter paper
- filter
- outer circumferential
- folding
- pattern
- 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
Links
- 239000011295 pitch Substances 0.000 claims description 12
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 13
- 238000001914 filtration Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
- 244000189548 Chrysanthemum x morifolium Species 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/12—Pleated filters
- B01D2201/122—Pleated filters with pleats of different length
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985113105U JPH029851Y2 (zh) | 1985-07-25 | 1985-07-25 | |
| US06/799,168 US4673503A (en) | 1985-07-18 | 1985-11-12 | Variant length pleated filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985113105U JPH029851Y2 (zh) | 1985-07-25 | 1985-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6224909U JPS6224909U (zh) | 1987-02-16 |
| JPH029851Y2 true JPH029851Y2 (zh) | 1990-03-12 |
Family
ID=30994587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985113105U Expired JPH029851Y2 (zh) | 1985-07-18 | 1985-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH029851Y2 (zh) |
-
1985
- 1985-07-25 JP JP1985113105U patent/JPH029851Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6224909U (zh) | 1987-02-16 |
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