Vapor retarder with shielding against electromagnetic fields
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-027/04
B32B-027/12
B32B-005/02
출원번호
UP-0576902
(2004-10-18)
등록번호
US-7585794
(2009-09-22)
우선권정보
DE-103 49 170(2003-10-22)
국제출원번호
PCT/EP04/011781
(2004-10-18)
§371/§102 date
20070109
(20070109)
국제공개번호
WO05/040517
(2005-05-06)
발명자
/ 주소
Bihy, Lothar
Boge, Birgit
Keller, Horst
출원인 / 주소
Saint Gobain Isover
대리인 / 주소
Sheridan Ross P.C.
인용정보
피인용 횟수 :
1인용 특허 :
16
초록▼
The present invention concerns a vapor retarder for indoor sealing of buildings, especially roof structures, with at least one barrier layer (1) retarding passage of moisture vapor, especially water vapor, with the vapor retarder also having an electromagnetic-field-(EMF)-shielding layer (EMF layer)
The present invention concerns a vapor retarder for indoor sealing of buildings, especially roof structures, with at least one barrier layer (1) retarding passage of moisture vapor, especially water vapor, with the vapor retarder also having an electromagnetic-field-(EMF)-shielding layer (EMF layer) (2).
대표청구항▼
The invention claimed is: 1. A vapor retarder for indoor sealing of buildings, especially roof structures, with at least one barrier layer retarding the passage of moisture vapor, especially water vapor, said barrier layer being formed from a material with moisture-adaptive water vapor diffusion re
The invention claimed is: 1. A vapor retarder for indoor sealing of buildings, especially roof structures, with at least one barrier layer retarding the passage of moisture vapor, especially water vapor, said barrier layer being formed from a material with moisture-adaptive water vapor diffusion resistance, said material changing its diffusion resistance as a function of ambient moisture, characterized by the fact that the vapor retarder has at least one electromagnetic-field-shielding layer for shielding electromagnetic fields in the frequency range of mobile telephone networks, which is formed so as to be permeable to diffusion and which is in the form of an electrically conducting film and/or in the form of a magnetic-shielding film, or comprises a laminated, electrically conducting nonwoven, an especially bonded metal lattice or a vapor-deposited layer of electrically conducting substances each having a mesh size of 5 mm. 2. The vapor retarder of claim 1, wherein the electromagnetic field shielding layer is connected to the barrier layer such that it is diffusion permeable. 3. The vapor retarder of claim 1, wherein the fact that the electromagnetic field shielding layer is in the form of an electrically conducting layer and/or in the form of a magnetic shielding layer. 4. The vapor retarder of claim 1, wherein the fact that the electromagnetic-field-shielding layer comprises a laminated, electrically conducting non woven, an especially bonded metal lattice, a printed layer of electrically conducting coatings, a vapor deposited layer of electrically conducting substances, a nonwoven doped with a μ-metal, a metal whisker layer or a vapor deposited layer of magnetically shielding substances. 5. The vapor retarder of claim 1, wherein the electromagnetic field shielding layer is incorporated into the barrier layer, especially embedded into at least two barrier layers. 6. The vapor retarder of claim 1, wherein the layer electromagnetic-field-shielding layer protrudes at least partially, especially at a side edge, beyond the barrier layer to connect with the adjacent vapor retarders. 7. The vapor retarder of claim 1, wherein at least on one side provision is made in the edge region for apertures (6) that serve to make connection with adjacent vapor retarders, especially via incorporated adhesives. 8. The vapor retarder of claim 1, wherein the vapor retarder further has at least one preferentially diffusion-permeable reinforcement and/or protective layer. 9. The vapor retarder of claim 8, wherein the fact that the reinforcement or protective layer comprises a nonwoven based on polyethylene terephthalate (PET) or fiberglass. 10. The vapor retarder of claim 1, wherein the fact that the layers are firmly connected to each other by an especially diffusion-permeable binder layer. 11. The vapor retarder of claim 10, wherein the especially diffusion permeable binder layer is punctiform, network like or is a full surface layer of very low thickness. 12. The vapor retarder of claim 1, wherein a polyethylene (PE) adhesive is intended as the binder for connecting the layers. 13. The vapor retarder of claim 1, wherein the material of barrier layer with moisture regulating water vapor diffusion resistance has a water vapor diffusion resistance SD value of 2 to 5 m diffusion equivalent air layer thickness at a relative air humidity in the range of 30% to 50% in the atmosphere surrounding the vapor retarder and a water vapor diffusion resistance SD value that is <1 m diffusion equivalent air layer thickness at a relative air humidity in the range 60% to 80%. 14. The vapor retarder of claim 1, wherein the vapor retarder and/or the individual layers, such as barrier layer, EMP-shielding layer and reinforcement or protective layer are formed as a film. 15. The vapor retarder of claim 1, wherein the barrier layer is formed of polyamide 66, polyamide 6, polyamide 4 or polyamide 3.
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