GB776967A - Permeable body with extendable layers and conically increasing permeability - Google Patents
Permeable body with extendable layers and conically increasing permeabilityInfo
- Publication number
- GB776967A GB776967A GB1252252A GB1252252A GB776967A GB 776967 A GB776967 A GB 776967A GB 1252252 A GB1252252 A GB 1252252A GB 1252252 A GB1252252 A GB 1252252A GB 776967 A GB776967 A GB 776967A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layers
- layer
- permeability
- extendable
- jigging
- 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
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/02—Loose filtering material, e.g. loose fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/086—Filter cloth, i.e. woven, knitted or interlaced material of inorganic material
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/50—Adjustable resistors structurally combined with switching arrangements
-
- 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
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0457—Specific fire retardant or heat resistant properties
-
- 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
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0464—Impregnants
-
- 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
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0471—Surface coating material
- B01D2239/0478—Surface coating material on a layer of the filter
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0654—Support layers
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0659—The layers being joined by needling
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0668—The layers being joined by heat or melt-bonding
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/069—Special geometry of layers
- B01D2239/0695—Wound layers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Nonwoven Fabrics (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE531807D BE531807A (de) | 1952-05-17 | ||
GB1252252A GB776967A (en) | 1952-05-17 | 1952-05-17 | Permeable body with extendable layers and conically increasing permeability |
FR1080806D FR1080806A (fr) | 1952-05-17 | 1953-05-16 | Corps perméable formant filtre |
GB3093254A GB825002A (en) | 1952-05-17 | 1954-10-27 | Permeable body with variably permeable layers and conically increasing permeability |
FR69091D FR69091E (fr) | 1952-05-17 | 1955-10-27 | Corps perméable formant filtre |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1252252A GB776967A (en) | 1952-05-17 | 1952-05-17 | Permeable body with extendable layers and conically increasing permeability |
Publications (1)
Publication Number | Publication Date |
---|---|
GB776967A true GB776967A (en) | 1957-06-12 |
Family
ID=10006139
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1252252A Expired GB776967A (en) | 1952-05-17 | 1952-05-17 | Permeable body with extendable layers and conically increasing permeability |
GB3093254A Expired GB825002A (en) | 1952-05-17 | 1954-10-27 | Permeable body with variably permeable layers and conically increasing permeability |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3093254A Expired GB825002A (en) | 1952-05-17 | 1954-10-27 | Permeable body with variably permeable layers and conically increasing permeability |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE531807A (de) |
FR (2) | FR1080806A (de) |
GB (2) | GB776967A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2269547A (en) * | 1992-07-31 | 1994-02-16 | Toyo Boseki | Air filter |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2418008A1 (fr) * | 1978-02-22 | 1979-09-21 | Godefroy Raymond | Nouveau filtre composite avec pare-etincelles |
-
0
- BE BE531807D patent/BE531807A/xx unknown
-
1952
- 1952-05-17 GB GB1252252A patent/GB776967A/en not_active Expired
-
1953
- 1953-05-16 FR FR1080806D patent/FR1080806A/fr not_active Expired
-
1954
- 1954-10-27 GB GB3093254A patent/GB825002A/en not_active Expired
-
1955
- 1955-10-27 FR FR69091D patent/FR69091E/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2269547A (en) * | 1992-07-31 | 1994-02-16 | Toyo Boseki | Air filter |
GB2269547B (en) * | 1992-07-31 | 1995-11-22 | Toyo Boseki | Filter for air cleaning |
Also Published As
Publication number | Publication date |
---|---|
BE531807A (de) | |
GB825002A (en) | 1959-12-09 |
FR1080806A (fr) | 1954-12-14 |
FR69091E (fr) | 1958-09-22 |
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