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WO2002064207A1 - Couverture de blindage - Google Patents

Couverture de blindage Download PDF

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Publication number
WO2002064207A1
WO2002064207A1 PCT/EP2002/001452 EP0201452W WO02064207A1 WO 2002064207 A1 WO2002064207 A1 WO 2002064207A1 EP 0201452 W EP0201452 W EP 0201452W WO 02064207 A1 WO02064207 A1 WO 02064207A1
Authority
WO
WIPO (PCT)
Prior art keywords
shielding
layer
blanket
shielding layer
blanket according
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.)
Ceased
Application number
PCT/EP2002/001452
Other languages
German (de)
English (en)
Inventor
Hans-Christian Sanders
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gebr Sanders & Co GmbH
Original Assignee
Gebr Sanders & Co GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gebr Sanders & Co GmbH filed Critical Gebr Sanders & Co GmbH
Publication of WO2002064207A1 publication Critical patent/WO2002064207A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/16—Screening or neutralising undesirable influences from or using, atmospheric or terrestrial radiation or fields

Definitions

  • the invention relates to a shielding cover against electromagnetic and other radiation according to the preamble of claim 1.
  • Shielding against electromagnetic radiation is prescribed in various areas, in particular work areas. In the immediate vicinity of transmitter systems and radar systems in particular, there are limits due to regulations that require radiation protection if they are exceeded. In addition, with the increase in electronic equipment, there is concern about "electrosmog", particularly with regard to wireless telephones and signal transmitters for home furnishings, televisions and the like, but also with regard to microwave devices or surveillance devices, which, however, raise the question of clothing shielding options also arise at seating or lying areas. After all, there are ideas about other fields and earth rays coming from the area of dowsing, which are obviously hardly physically understood technically.
  • such a film forms an uncomfortable rigid surface and the permeability for air and water vapor can only be insufficiently ensured even with a perforation.
  • hole sizes of a few millimeters, as are provided there, are not suitable for intercepting higher-frequency electromagnetic radiation.
  • Such a shielding film is of little use in practice and its effect is very limited.
  • DE-OS 28 47 486 proposes metallized textile fabrics with an extremely small mesh size as radiation protection against microwaves.
  • the metallized fabrics and textile structures provided there appear to be usable only in device-related implementations. With the grid of intersections, they offer "abrasion points" with a correspondingly high level of abrasion, which is usually not acceptable when close to the body. Likewise, the risk of contamination of such fabrics is itself disadvantageous.
  • shielding elements are not yet suitable for everyday use in the area close to the body.
  • the object of the invention is to provide a shielding blanket which is suitable for daily use, particularly in the sitting or lying area, and which can be designed to be sufficiently soft and resilient and, with long-term usability, keeps pollution of the environment low, as well as itself is less susceptible to pollution, but forms good radiation protection.
  • this object is achieved with the features of claim 1. It is important that the shielding layer itself is covered and enclosed so that it does not come into direct contact with the user. The shielding layer is encapsulated against dust and abrasion. On the other hand, the user is also protected against any allergenic components of the shielding layer. In particular, however, it is important that the cover layers offer protection of the shielding layer against strong deformations and movements by slidingly covering and also cushioning the shielding layer. This prevents unnecessary flexing work from the shielding layer and maintains the function of the shielding layer with its conductivity and shielding attenuation.
  • cover layers are suitable for intercepting dirt, be it due to dust or moisture, so that cleaning is ultimately only a matter of cleaning the outer layers.
  • cover layers that can be made relatively dustproof are able to hold and enclose metal dusts or carbon dusts inside the shielding ceiling.
  • the shielding layer a certain degree of flexibility of the fiber material is important, but this may have to be weighed against unfavorable internal mobility of the fibers, due to which the (conductive) fiber material or a metallization covering the surfaces easily changes into abrasion.
  • Thin and flexible fabrics such as inlets or parachute fabrics are highly flexible, close to down as well as dust or metal dust, nevertheless permeable to air and steam. Knitted fabrics are particularly suitable because of the greater elasticity within the surface. Nonwovens are inherently very flexible and easy to fit, but are not very dense for the desired shielding even with unconnected fibers.
  • nonwovens are, however, spunbond nonwovens with at least largely interconnected fibers, which due to their tangled position can also be stretched to a limited extent, but offer little displacement and friction to one another due to the interconnections of the fibers.
  • fiber material is suitable for ensuring convective permeability and - unlike foils - exchanging air and steam close to the body.
  • plastic fibers such as polyamide, polyester or aramid are particularly suitable, which can be enclosed by a predetermined thin metal layer using means that have now been tried and tested.
  • the fibers as a whole can also be formed from a conductive material, for example from a metal in a very fine wire form, or from carbon fibers.
  • metals especially well-conductive and resistant materials such as aluminum, silver, copper, brass or gold come into consideration. Combinations such as silver-plated or gold-plated metal threads can also be used advantageously.
  • Such a blanket is of course also suitable for wall or tent cladding or also for use in clothing textiles, for example in radiation protection clothing, and in addition to shielding against electromagnetic waves including light waves, such as infrared light, thermal insulation can also be achieved.
  • Such radiation protection ceilings are particularly suitable in the seating area of people and especially in the lying area.
  • Such a shielding blanket can provide a very effective shielding as a mattress pad or overlay, which does not impair lying comfort either with regard to the support on the mattress or with regard to heat and moisture regulation.
  • a duvet designed according to this principle can provide all-round protection for the bed area, especially in addition to a mattress topper.
  • blankets in this form can offer multi-sided body protection.
  • the shielding layer is preferably designed so that it maintains a uniform electrical potential, so that all parts of the shielding layer are at least indirectly connected to one another, even if this is much less important for high-frequency radiation than for low-frequency radiation or static potential fields.
  • it can be of advantage to use carbon fiber material with better absorption and less reflection instead of or in addition to metallic or metallized material.
  • the shielding ceiling can be connected to an earth cable or an earth wire at several points - with continuous connections within the entire shielding mat at least at one point.
  • a combination of fibers made of carbon and fibers made of metal or with a metal coating can also be advantageous.
  • the absorption and reflection effects can be coordinated with one another by means of several layers of different material.
  • an outdoor ing reflection layer and an internal, that is to say human-facing, absorption layer can be combined, the reflection layer consisting of a fiber material with (portions of) metallized or metallic fibers and for the absorption layer, for example carbon fiber material. Open-pore foams with embedded carbon particles are also suitable for the absorption layer.
  • Fig. 1 is a sectional top view of a shielding blanket
  • Fig. 2 shows another shielding blanket with area-wise stitching
  • Fig. 3 is a shielding blanket with continuous stitching
  • Fig. 4 is a sectional view of a quilted shielding blanket
  • Fig. 5 is a sectional view of another quilted shielding blanket
  • Fig. 6 section through a web shielding blanket
  • Fig. 7 section through another web shielding ceiling.
  • Fig. 8 section through a shielding blanket with inserted duvet
  • a shielding blanket denoted overall by 1 in FIG. 1, consists of three layers which are visible overall by layer-by-section cuts.
  • An upper cover layer 2 and a lower cover layer 3 enclose a shielding layer 4 as an upper plate or lower plate, the cover layers 2 and 3 having rounded corners and connected to one another and to the shielding layer 4 at a continuously peripheral edge 5 by a binding tape are.
  • the shielding layer could also be inserted loosely or releasably so that the cover layers can be washed separately.
  • the shielding layer 4 consists in the present case of a spunbond nonwoven made of polyester, which during spinning, that is to say during fiber production, already has links between adjacent fibers in the random position, which on the one hand bring about a certain stiffening and strengthening within the surface, but on the other hand also very strong relative movements Prevent chafing and abrasion between the fibers.
  • the polyester fleece has a weight of approximately 40 g / m 2 and was then coated with a fiber coating with aluminum, so that the individual fibers are given a metal sheathing with the aid of which the entire fleece is like a layer of fine-fiber conductive material behaves.
  • the aluminum coating itself increases the weight of the fleece by 1 to 5 g / m 2 .
  • the electrical surface resistance of the fleece is then ⁇ 0.5 ohm.
  • An aluminum coating is favorable because of the formation of a thin surface oxide layer and the very good electrical properties. It goes without saying that instead of aluminum, other coatings, in particular metal coatings with silver, gold or copper, are also possible. These chemical materials, which are classed as precious or semi-precious metals, have good electrical conductivity and have an antiseptic effect even when in use.
  • top layers are also to be designed to be permeable to air and steam on a regular basis and, particularly when used close to the body, are pleasant for the skin to select.
  • ticking fabrics in particular tightly woven fabrics with predominantly natural fibers, in particular cotton fabrics with a firm weave, such as plain weave with a weight of, for example, 113 g / m 2 and a thickness of 0.15 mm, have proven successful.
  • a pure cotton liner is provided, with a density of around 30 Fd / cm for warp and weft.
  • Such a fabric not only provides the desired tightness, but also the strength that is desired for a cover and thus for protection of the shielding layer.
  • Such a tightly woven cover layer absorbs the shear and tensile stresses that occur during use and can also shift relative to the shielding layer, if necessary, so that only the less critical movements perpendicular to the shielding ceiling act as a load on the shielding layer.
  • the shielding layer and the cover layers are not only connected to one another at the edge by a edging tape 7, but also by inner quilting sections 8, with a structure that corresponds to that of FIG -Shifts of the layers to a greater extent are prevented. In particular, this also avoids the formation of wrinkles, which can lead to peak loads in relation to the shielding position.
  • Another shielding blanket 9 according to FIG. 3 has a continuous topstitching, each with a plurality of cross-stitching seams 10 and 11, respectively.
  • FIG. 4 shows a shielding blanket 12 in a partial area in a sectional view, which is to be provided as a bedspread.
  • This coverlet has a shielding layer 13 which is arranged directly between an ticking cover layer 14 and a filling 15.
  • the underside of the shielding cover is in turn formed by a cover layer 16.
  • the shielding blanket is divided into strips or pillows by quilting seams 17.
  • the filling 15 can consist of any suitable material, for which there are conventionally down, feathers, synthetic fiber fillings, wadding and bulk nonwovens and also mixtures of these.
  • This shielding blanket can thus be seen modified from a conventional bedspread, in that a shielding layer is provided on the one hand underneath an inlay plate.
  • a modification of the shielding blanket 12 in FIG. 4 can be seen in a shielding blanket 18 in FIG. 5, in which an upper cover layer 19 consists of an inlay plate which is directly and firmly connected to a shielding layer to form a double-layer unit.
  • the shielding layer which is no longer specifically shown here, can, like the shielding layer 13 according to the embodiment. Fig. 4 may be formed.
  • fiber materials as loose non-woven fabrics with fibers that are not or only slightly interconnected, and in particular knitted fabrics or highly flexible fabrics are preferred over spun-fiber non-woven fabrics that are consolidated by internal fiber connections.
  • metallization made of materials with good electrical surface conductivity, such as silver or copper is preferable to aluminum, which tends to oxidize.
  • FIG. 6 shows a shielding ceiling 20 with outer-side inlay plates as a top layer 21 (top) or 22 (bottom), which are not quilted directly with one another, but are connected to one another at a distance by webs 23.
  • the spaces created thereby have a filling 24 of a conventional type.
  • the upper cover layer 21 is underlaid with a shielding layer 25 and sewn together with the webs 23, so that the resulting webbed, similar to the quilted bed according to FIG. 4, bears the shielding on one side.
  • a web bed 26 according to FIG. 7 has a shielding layer 27 approximately in the middle between two cover layers 28 and 29 and is opposite to both With the help of bars 30, 31 and fillings 32, 33 spaced.
  • the symmetrical construction of the bridge bed is particularly suitable for thicker bridge beds.
  • a shielding blanket designated as a whole by 34, which comprises an upper cover layer 35 and a lower cover layer 36 and a shielding layer 37 under the upper cover layer 35, as well as a loosely inserted complete bed cover 38, for example with a down filling.
  • This coverlet 38 can be removed and reinserted via a side opening 39, which can be closed with a strip 40 and a Velcro fastener 41. Buttons or a zipper can take the place of the Velcro fastener 41, especially since a strip 40 which overlaps the top layer 35 already ensures that the opening 39 is closed.
  • the particular advantage of this embodiment is that the washing or cleaning of the duvet 38 and the covering for these cover plates can be carried out separately with the shield in between.
  • existing or otherwise commercially available duvets are to be used as a "filling" and are also to be replaced according to personal or seasonal heat requirements.
  • the shielding layer 37 can be formed in one layer, for example in the form of a metallized fiber fleece, but it can also be formed in a multi-layered manner. This is of particular interest if different shielding properties are sought, for example if different frequency ranges are to be shielded from electromagnetic radiation with different mesh sizes. Likewise, several layers are of interest if, for example, the reflection behavior of metallic or metallized fibers it is to be supplemented by an absorption behavior of additional layers which destroy the energy of incident, in particular also reflected radiation.
  • shielding blankets considered above, in particular with regard to a duvet function are in principle also suitable for shielding the lying or sitting body, for example, from below.
  • Shielding blankets of this type can generally be applied to mattresses or - expediently in a non-padded form - placed or stretched under mattresses.
  • a shielding blanket 1 according to FIG. 1 or also a shielding blanket 34 according to FIG. 8 without an embedded bedspread 38 is suitable for this.
  • a fixation of the usual type with respect to the mattress or slatted frame is preferably provided, be it with elastic straps, straps or with fixation by corner pockets or Velcro fasteners, with non-slip surface coverings at least on one side of the Shielding blanket are advantageous.
  • tensioning or adhesive means secure the position of the shielding cover and thus the desired full-surface shielding and counteract wear due to slipping, especially if a bed frame is easily and often adjusted by motor.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Bedding Items (AREA)

Abstract

L"invention concerne une couverture de blindage contre les rayonnements électromagnétiques et autres, notamment destinée à des zones permettant de s"asseoir ou de s"allonger. Au moins une couche de blindage contenant un matériau électroconducteur est associée à une couche de recouvrement réalisée dans un matériau textile non conducteur. Cette couverture est conçue de manière à être adaptée à une utilisation domestique, notamment aux zones permettant à l"homme de s"asseoir ou de s"allonger. La couche de blindage est constituée d"au moins une couche textile réalisée dans un matériau fibreux métallisé ou électroconducteur et principalement à répartition fine et dense et ce matériau fibreux est enfermé dans au moins deux couches de recouvrement constituées d"un tissu étanche à la poussière.
PCT/EP2002/001452 2001-02-14 2002-02-12 Couverture de blindage Ceased WO2002064207A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20102560.4 2001-02-14
DE20102560U DE20102560U1 (de) 2001-02-14 2001-02-14 Abschirmdecke

Publications (1)

Publication Number Publication Date
WO2002064207A1 true WO2002064207A1 (fr) 2002-08-22

Family

ID=7952954

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/001452 Ceased WO2002064207A1 (fr) 2001-02-14 2002-02-12 Couverture de blindage

Country Status (2)

Country Link
DE (1) DE20102560U1 (fr)
WO (1) WO2002064207A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004107979A1 (fr) * 2003-06-05 2004-12-16 Mavig Gmbh Dispositif de protection anti-radiations comportant une enveloppe separable
DE10337792A1 (de) * 2003-08-14 2005-03-17 Ewald Dörken Ag Reflexionsschicht zur Dämpfung elektromagnetischer Strahlung
US7642948B2 (en) 2003-08-14 2010-01-05 Ewald Dorken Ag Reflective layer
US12478117B2 (en) 2015-09-25 2025-11-25 Christian DRATVA Method for making a shielding garment for a human body

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10146323B4 (de) * 2001-09-20 2005-07-28 Institut Für Verbundwerkstoffe Gmbh Verfahren zur rechnergesteuerten Bestimmung von Verlaufsdaten einer Fließfront und Vorrichtung dazu
UA76855C2 (uk) 2002-05-02 2006-09-15 Сандерс Гмбх Покривало
DE102004049884B4 (de) * 2004-10-13 2010-08-05 Gebr. Sanders Gmbh & Co. Kg Kissen und Zudecke von hoher Vielseitigkeit
AT7920U3 (de) * 2005-05-03 2006-05-15 Regina Schlafkomfort Gmbh Einrichtung zur abschirmung von schlaf- und liegestätten
DE102008003963A1 (de) 2007-10-26 2009-04-30 HÄNSEL VERBUNDTECHNIK GmbH Textiles Flächengebilde für Bettsysteme
DE102022111394A1 (de) 2022-05-06 2023-11-09 Lucas Gene Steger Bedeckungstextilvorrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847486A1 (de) * 1978-11-02 1980-05-14 Bayer Ag Verwendung von metallisierten textilen flaechengebilden als strahlenschutz gegen mikrowellen
EP0065316A1 (fr) * 1981-05-20 1982-11-24 Matherm GmbH Elément de lit
DE3123842A1 (de) * 1981-06-16 1982-12-30 Josef 8672 Selb Grüner Vorrichtung zur abschirmung von strahlungen, insbesondere von durch wasseradern hervorgerufenen strahlungen
DE3232224A1 (de) * 1981-08-31 1983-05-11 Alfred Grass GmbH Metallwarenfabrik, 6973 Höchst, Vorarlberg Abschirmfolie
WO1989006103A1 (fr) * 1988-01-04 1989-07-13 Viktor Rossmann Matelas sanitaire pour proteger contre les rayonnements terrestres et veines d'eau, ainsi qu'armature de lit, armature pyramidale et armature pour landau
DE19618358A1 (de) * 1995-05-10 1997-01-02 Ackermann Patent Gmbh Verfahren und Vorrichtung zur Reduzierung der Störfeldwirkung von Elektrosmog

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3611675A1 (de) * 1986-04-08 1987-10-15 Dieter Reez Strahlenschutzvorrichtung zur verminderung von in einen lebensraum eindringender strahlung
DE9206766U1 (de) * 1992-05-19 1992-07-30 Kaufmann, Walter, 8217 Grassau Entstörsystem für das Bett
DE9301647U1 (de) * 1993-02-06 1993-04-15 Brinkmann, Peter, 6250 Limburg Strahlenschutz
DE19730065A1 (de) * 1997-07-14 1999-01-21 Puetz Alban Elektrisch leitendes Abschirmgewebe, insbesondere zur Herstellung von EMV-Schutzanzügen
DE20005136U1 (de) * 2000-03-20 2000-05-31 Leukermoser, Regina, Vöcklamarkt Betteinlage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847486A1 (de) * 1978-11-02 1980-05-14 Bayer Ag Verwendung von metallisierten textilen flaechengebilden als strahlenschutz gegen mikrowellen
EP0065316A1 (fr) * 1981-05-20 1982-11-24 Matherm GmbH Elément de lit
DE3123842A1 (de) * 1981-06-16 1982-12-30 Josef 8672 Selb Grüner Vorrichtung zur abschirmung von strahlungen, insbesondere von durch wasseradern hervorgerufenen strahlungen
DE3232224A1 (de) * 1981-08-31 1983-05-11 Alfred Grass GmbH Metallwarenfabrik, 6973 Höchst, Vorarlberg Abschirmfolie
WO1989006103A1 (fr) * 1988-01-04 1989-07-13 Viktor Rossmann Matelas sanitaire pour proteger contre les rayonnements terrestres et veines d'eau, ainsi qu'armature de lit, armature pyramidale et armature pour landau
DE19618358A1 (de) * 1995-05-10 1997-01-02 Ackermann Patent Gmbh Verfahren und Vorrichtung zur Reduzierung der Störfeldwirkung von Elektrosmog

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004107979A1 (fr) * 2003-06-05 2004-12-16 Mavig Gmbh Dispositif de protection anti-radiations comportant une enveloppe separable
US7294845B2 (en) 2003-06-05 2007-11-13 Mavig Gmbh Radiation protection arrangement comprising a separable cover
DE10337792A1 (de) * 2003-08-14 2005-03-17 Ewald Dörken Ag Reflexionsschicht zur Dämpfung elektromagnetischer Strahlung
US7642948B2 (en) 2003-08-14 2010-01-05 Ewald Dorken Ag Reflective layer
US12478117B2 (en) 2015-09-25 2025-11-25 Christian DRATVA Method for making a shielding garment for a human body

Also Published As

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