EP1332320A1 - Gewebe- oder gewirkartiger pollenschutz für fenster und türen - Google Patents
Gewebe- oder gewirkartiger pollenschutz für fenster und türenInfo
- Publication number
- EP1332320A1 EP1332320A1 EP01988843A EP01988843A EP1332320A1 EP 1332320 A1 EP1332320 A1 EP 1332320A1 EP 01988843 A EP01988843 A EP 01988843A EP 01988843 A EP01988843 A EP 01988843A EP 1332320 A1 EP1332320 A1 EP 1332320A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pollen
- use according
- knitted fabric
- woven
- electrostatic charge
- 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.)
- Withdrawn
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
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0435—Electret
-
- 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
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1216—Pore size
-
- 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
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1233—Fibre diameter
-
- 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
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1291—Other parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/95—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes
- F24F8/96—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes for removing pollen
Definitions
- the invention relates to a fabric-like or knitted device for protection against the ingress of dust-like allergens, such as pollen dust and fungal spores, which are transported through the atmospheric air in living and working spaces due to the full-surface attachment to windows and doors
- pollmose hay fever
- the allergic reaction to a pollen allergy is usually expressed by reddening and tearing of the eyes (conjunctivitis), sneezing attacks (rhinitis) and irritable cough (bronchial asthma) as early reactions as a late reaction to pollen allergy
- conjunctivitis reddening and tearing of the eyes
- rhinitis sneezing attacks
- irritable cough bronchial asthma
- Filtration devices that completely remove air from pollen, germs and spores are used in air conditioning technology and in automobiles.
- the high filtering effect is achieved in DE 3904623 z, for example, by using filter mats, often with multiple layers, made of nonwovens, which due to their fibrous nature Make the filter stage impassable for the allergens mentioned above.
- the laminate of filter mats is additionally zigzag-folded.
- such filter mats are not suitable as a protective device in the sense of the proposed invention
- a further protective device against pollen, germs and spores, which is attached in front of windows, is given in DE 4300422, for example.
- the attachment of a fabric material as protective device does not take place over the entire surface in front of the window pane, but in the two wedge-like spaces and the rectangular opening at the top of one in a tilted position standing window.
- the problem of the non-existent, visual transparency of the protection is avoided by this type of attachment, however the protection for a full opening of the window for ventilation purposes has to be removed by swinging open so that there is no longer any protective effect
- none of the examples cited have the properties of sufficient visual transparency, air permeability and filter effect been able to be achieved in a protective system
- the object of the proposed invention is to realize the properties of air permeability, visual transparency and sufficient filtering action against pollen in a protection system. It is characteristic that the pollen protection with sufficient filtering action of 70-80% separation efficiency against pollen dust, among other things, in the large range of about 20-40 ⁇ m Adequate renewal of the room air and sufficient visual transparency are particularly important for living and working spaces, the characteristics of air permeability and visual transparency are important, because on the one hand sufficient air exchange properties, on the other hand the view out of the window and the entry of daylight must be enabled Good values for Air permeability, which allows acceptable ventilation of a room, is in the large range of greater than 20,000 m 3 / m 2 / h at a differential pressure of 300 Pa.
- a sufficient transparency in the sense of the invention is between 20 and 100% transmission Err
- the properties of sufficient visual transparency and air permeability are made easier by the use of a woven or knitted fabric with a sufficiently large mesh size Window or door opening achieved
- a similar approach to this topic is also given in DE4414728. Then it is described how an electric field between the allergen and the tissue, which is to be used for filtration, is formed by charging mesh-like fabrics made of synthetic high-polymer fibers. Art the application of the electrostatic charge is not discussed in detail, however, the opposing properties of air permeability and visual transparency to the filtration effect remain undisputed
- the principle of absorbing a tbo-electric charge is based on the separation of charges, which is done macroscopically by rubbing or separating processes of at least two materials. Decisive for the sign and the amount of the charge are the exit energies W a of the near-surface electrons of the materials, since near-surface electrons emerge from the surface of one material and pass into the other. Consequently, there is an electron deficiency in the surface of one material, which leads to a positive charge on the surface, while the other surface experiences a negative charge due to the excess of electrons.
- parameters such as temperature, roughness and degree of soiling of the surfaces, as well as the friction or separation speed and air humidity, are included in an electro-electric charging process
- the prevention of the discharge of electrostatic charging is achieved in that the passage resistance, as well as of the surface resistance of the materials of the order of 10 12 - harbors 10 15 ⁇ , therefore, be for the woven or knitted fabric preferably fibers or on the knitted or woven fabric coatings applied DERS tanden with Oberflachenwi- from 10 12 - 10 15 ⁇
- Electrostatic charges by charge separation can be done, for example, by quickly removing a polymer film attached to the knitted fabric on one or both sides without air inclusions. Charging is also possible due to the friction of particle-laden air on the protective fabric, by intensively using a household or Indust ⁇ efones, blowers, fans or other types of air with high volume flows
- the preferred possibility in the inventive sense is the manual rubbing of a polymeric or natural substance on the applied protective knitted fabric after the application in front of the window
- the application of an electrostatic charge does not occur by applying an external voltage.
- the maintenance of the charge is not achieved by applying a potential externally, but only by the electrical charge and the setting of the polymer properties. For example, by increasing the air humidity or rain, the charge can be restored after precipitation by drying and then rubbing with the appropriate polymer material. It is also conceivable to dry and recharge in one work step simply by flowing through the protective system with particle-laden air when using a household hair dryer.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Materials (AREA)
- Knitting Of Fabric (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10053229A DE10053229A1 (de) | 2000-10-26 | 2000-10-26 | Gewebe- oder gewirkartiger Pollenschutz für Fenster und Türen |
DE10053229 | 2000-10-26 | ||
PCT/EP2001/012232 WO2002035155A1 (de) | 2000-10-26 | 2001-10-23 | Gewebe- oder gewirkartiger pollenschutz für fenster und türen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1332320A1 true EP1332320A1 (de) | 2003-08-06 |
Family
ID=7661209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01988843A Withdrawn EP1332320A1 (de) | 2000-10-26 | 2001-10-23 | Gewebe- oder gewirkartiger pollenschutz für fenster und türen |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040177756A1 (de) |
EP (1) | EP1332320A1 (de) |
DE (1) | DE10053229A1 (de) |
WO (1) | WO2002035155A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080290244A1 (en) * | 2007-05-25 | 2008-11-27 | Albright John W | Window Air Filter Apparatus and Method |
US20140057513A1 (en) * | 2010-07-09 | 2014-02-27 | Saati Deutschland Gmbh | Thread, sheet material, insect screen, and method for producing a sheet material |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3045723A1 (de) | 1980-12-04 | 1982-07-08 | Georg 4320 Hattingen Keiderling | Gardinen, filter, netze, siebe oder dergleichen zum anknoepfen durch druckknoepfe an fenster-, tuerrahmen, luftschaechte oder dergleichen |
DE3509857C2 (de) * | 1984-03-19 | 1994-04-28 | Toyo Boseki | Elektretisiertes Staubfilter und dessen Herstellung |
DE3904623A1 (de) | 1989-02-16 | 1990-08-23 | Sandler Helmut Helsa Werke | Filter, insbes. fuer ein fahrzeug |
US5037455A (en) * | 1990-09-14 | 1991-08-06 | The Great American Filter Company | Air filter |
US5888274A (en) * | 1992-07-23 | 1999-03-30 | Edward R. Frederick | Triboelectric property modification and selection of fabrics for filtration applications |
DE4300422A1 (en) | 1993-01-09 | 1993-07-15 | Elisabeth Pooth | Protective arrangement, partic. for windows - deflects dirt, dust, pollen, insects, wind, draught, water but guarantees fresh air supply |
DE4307398A1 (de) * | 1993-03-09 | 1994-12-01 | Hoechst Ag | Elektretfasern mit verbesserter Ladungsstabilität, Verfahren zu ihrer Herstellung, und Textilmaterial enthaltend diese Elektretfasern |
DE4414728A1 (de) * | 1994-04-27 | 1995-11-02 | Reinhard Obermeier | Einsatz der elektrostatischen Aufladung synthetischer (hochpolymerer) Faserstoffe in Netzform zur Bindung staubförmiger Allergene (z. B. Pollen, Staub) |
DE9414040U1 (de) * | 1994-08-30 | 1995-01-19 | Hoechst Ag, 65929 Frankfurt | Vliese aus Elektretfasermischungen mit verbesserter Ladungsstabilität |
DE29724401U1 (de) * | 1996-11-09 | 2001-04-12 | Beiersdorf Ag, 20253 Hamburg | Pollenschutzfilter |
US5964926A (en) * | 1996-12-06 | 1999-10-12 | Kimberly-Clark Worldwide, Inc. | Gas born particulate filter and method of making |
JPH10317851A (ja) * | 1997-05-15 | 1998-12-02 | Akira Nishikage | 網 戸 |
DE19755047A1 (de) * | 1997-12-11 | 1999-06-17 | Hoechst Trevira Gmbh & Co Kg | Vliese aus Elektretfasern mit verbesserter Ladungsstabilität, präparierte Faser, vorzugsweise Elektretfaser, Verfahren zu deren Herstellung und ihre Verwendung |
DE29818165U1 (de) * | 1998-10-10 | 1999-01-21 | Obermeier, Reinhard, 81245 München | Synthetische hochpolymere Faserstoffe mit starker elektrostatischer Aufladung |
DE19856490B4 (de) * | 1998-12-08 | 2006-01-12 | Carl Freudenberg Kg | Einrichtung zur Reinigung der Luft von Staubpartikeln, insbesondere von Pollenstaub und dergleichen |
WO2002034364A1 (de) * | 2000-10-26 | 2002-05-02 | Tesa Ag | Triboelektrische aufladung von geweben und gewirken |
DE10111308B4 (de) * | 2001-03-09 | 2004-02-12 | Tesa Ag | Verwendung eines textilen Flächengebildes zur Anbringung vor Fenstern oder Türen |
-
2000
- 2000-10-26 DE DE10053229A patent/DE10053229A1/de not_active Withdrawn
-
2001
- 2001-10-23 EP EP01988843A patent/EP1332320A1/de not_active Withdrawn
- 2001-10-23 WO PCT/EP2001/012232 patent/WO2002035155A1/de not_active Application Discontinuation
- 2001-10-23 US US10/380,735 patent/US20040177756A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO0235155A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20040177756A1 (en) | 2004-09-16 |
DE10053229A1 (de) | 2002-05-23 |
WO2002035155A1 (de) | 2002-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20030526 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: KRANZ, JENS Inventor name: WENNINGER, DIETER Inventor name: GROBE, CLAUS Inventor name: SCHROEDER, ANDREAS |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE ES FR GB IT |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: TESA AG |
|
17Q | First examination report despatched |
Effective date: 20041109 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20050322 |