GB601918A - Improvements in or relating to filtering elements - Google Patents
Improvements in or relating to filtering elementsInfo
- Publication number
- GB601918A GB601918A GB2663545A GB2663545A GB601918A GB 601918 A GB601918 A GB 601918A GB 2663545 A GB2663545 A GB 2663545A GB 2663545 A GB2663545 A GB 2663545A GB 601918 A GB601918 A GB 601918A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- tube
- secured
- cellulose wadding
- filter paper
- 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
- 238000001914 filtration Methods 0.000 title abstract 3
- 229920002678 cellulose Polymers 0.000 abstract 3
- 239000001913 cellulose Substances 0.000 abstract 3
- 239000004568 cement Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000009987 spinning Methods 0.000 abstract 1
Classifications
-
- 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
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
- B01D37/025—Precoating the filter medium; Addition of filter aids to the liquid being filtered additives incorporated in the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0407—Perforated supports on both sides of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0461—Springs
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
Abstract
601,918. Filter elements. BRIGGS, S. W. Oct. 11, 1945, No. 26635. [Class 46] A filter comprises a tubular body of filtering medium consisting of plies of filtering material, one ply composed of ribbed cellulose wadding and another of filter paper, the wadding having only rib engagement with the filter paper. The cellulose wadding may be made as is described in U.S.A. Specification 2,092,548. As shown, the filter body 9 is composed of cellulose wadding 10 and a sheet of filter paper 11 folded together accordion fashion and bent round to form a tube secured by staples 121. The plies are secured together at the ends by staples 12. The tube 9 is mounted around a perforated cylindrical core 1 and is joined at its ends 13 to annular plates 5 by means of cement. It is surrounded by a perforated tube of thick paper 14. The end plates 5 are provided with wells 7 in which are arranged resilient washers 18 having holes 19 to receive pipes, and retained by dished washers 16. The core 11 may be supported inside by a wire spiral 4 and is provided with beaded ends 3 which are secured, by spinning, in the wells 7 of the annular end plates 5.
Publications (1)
Publication Number | Publication Date |
---|---|
GB601918A true GB601918A (en) | 1948-05-14 |
Family
ID=1740159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2663545A Expired GB601918A (en) | 1945-10-11 | Improvements in or relating to filtering elements |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB601918A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2192810A (en) * | 1986-07-25 | 1988-01-27 | Pall Corp | Filter element |
US4732678A (en) * | 1986-05-01 | 1988-03-22 | Wix Corporation | Filter body having closely adjacent filter material |
-
1945
- 1945-10-11 GB GB2663545A patent/GB601918A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4732678A (en) * | 1986-05-01 | 1988-03-22 | Wix Corporation | Filter body having closely adjacent filter material |
GB2192810A (en) * | 1986-07-25 | 1988-01-27 | Pall Corp | Filter element |
US4826597A (en) * | 1986-07-25 | 1989-05-02 | Pall Corporation | Filter assembly with removable sheet |
GB2192810B (en) * | 1986-07-25 | 1990-01-10 | Pall Corp | Filter element |
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