GB1305711A - - Google Patents
Info
- Publication number
- GB1305711A GB1305711A GB1305711DA GB1305711A GB 1305711 A GB1305711 A GB 1305711A GB 1305711D A GB1305711D A GB 1305711DA GB 1305711 A GB1305711 A GB 1305711A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- mesh
- gauge
- layer
- bonded
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
1305711 Air filter D A G MARSHALL 1 April 1970 [18 March 1969] 14149/69 Heading BIT A fluid filter comprises a layer of "Davey gauge" (a metal gauge of 28-100 mesh) bonded to a layer of filter material. The bonding is effected by applying a mesh 12 of molten synthetic plastics material, e.g. polythene, to the filter 10 and then pressing the gauge onto the filter so that a bond is formed as the mesh dries. A further layer of filter material 14 may be similarly bonded to the other side of the gauge. Other filter materials specified are filter paper, micro-glass paper or demembraned foamed synthetic plastics material, these optionally bonded to a sheet of phenolic resinimpregnated glass cloth and pleated, and random fibre mat, e.g. of nylon, woven filtering mat or cellular material containing activated carbon. The polythene bonding mesh may have a strengthening core of string, chord, wire or nylon. The filters of the invention are non- propogating with regard to flames and are used in air-ventilation equipment.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1414969 | 1969-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1305711A true GB1305711A (en) | 1973-02-07 |
Family
ID=10035904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1305711D Expired GB1305711A (en) | 1969-03-18 | 1969-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1305711A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115082A (en) * | 1976-03-16 | 1978-09-19 | Newtron Co. (Ancaster) Ltd. | Air cleaner assembly |
| US4737174A (en) * | 1987-01-20 | 1988-04-12 | Columbus Industries, Inc. | Multi-media filter frame construction |
| GB2204810A (en) * | 1987-05-21 | 1988-11-23 | Icleen Umweltprod Schaan | Air filter |
| US5354365A (en) * | 1993-04-22 | 1994-10-11 | Youn Kun C | Air filter assembly |
| CN113825557A (en) * | 2019-05-16 | 2021-12-21 | 戴森技术有限公司 | Filter assembly |
-
1969
- 1969-03-18 GB GB1305711D patent/GB1305711A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115082A (en) * | 1976-03-16 | 1978-09-19 | Newtron Co. (Ancaster) Ltd. | Air cleaner assembly |
| US4737174A (en) * | 1987-01-20 | 1988-04-12 | Columbus Industries, Inc. | Multi-media filter frame construction |
| GB2204810A (en) * | 1987-05-21 | 1988-11-23 | Icleen Umweltprod Schaan | Air filter |
| US5354365A (en) * | 1993-04-22 | 1994-10-11 | Youn Kun C | Air filter assembly |
| CN113825557A (en) * | 2019-05-16 | 2021-12-21 | 戴森技术有限公司 | Filter assembly |
| CN113825557B (en) * | 2019-05-16 | 2024-04-30 | 戴森技术有限公司 | Filter assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |