[특허]Device for in-situ barrier

[미국특허] Device for in-situ barrier 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E02D-037/00 E04G-023/00 E04B-001/18
출원번호	US-0477265 (2009-06-03)
등록번호	US-8291668 (2012-10-23)
발명자 / 주소	Iske, Brian J. Seth, Jyoti Cao, Xia Santos, Sonya M. Orellana, Enzo J.
출원인 / 주소	W. R. Grace & Co.-Conn.
대리인 / 주소	Williams, Stephan P.
인용정보	피인용 횟수 : 8 인용 특허 : 66

초록 ▼

The present invention relates to a multi-layer fluid delivery device for post-installation in-situ barrier creation. The device provides a medium for post-installation injection of remedial substances such as waterproofing polymeric resins or cementitious materials, insecticides, mold preventatives, rust retardants and the like. The device comprises a first layer and a second layer, with optionally an intermediate layer therebetween, and a plurality of tubes extending outwardly from the first layer. The first layer is preferably semi-permeable; the second layer is non-permeable; the optional intermediate layer is a void-inducing layer. The multi-layered device is attached to a structural substrate and a construction material such as concrete or shotcrete is applied against its surface (and around the plurality of tubes). Thereafter, a free flowing active substance can be injected through the tubes to fill the air space in the multi-layered device.

대표청구항 ▼

1. A fluid delivery system for introducing a free-flowing active substance to a structure in situ, said system comprising: an integral, multi-layer device comprising a first layer and a second layer,said first layer having an inwardly facing surface and an outwardly facing surface, said first layer being a material that is permeable to said active substance but at least nearly impermeable to a structural construction material to be applied against said outwardly facing surface of said first layer;said second layer being water impermeable and having an inwardly facing first side and an outwardly facing second side, said inwardly facing first side of said second layer being affixed directly or indirectly to said inwardly facing surface of said first layer such that all or a substantial portion of said second layer is spaced apart from said first layer to create air space between said first and second layers, wherein said second layer has a plurality of protuberances extending toward and contacting said first layer, wherein each of said protuberances includes a plurality of openings to permit passage of said active substance therethrough; anda plurality of tubes adapted to be affixed to said device in communication with said air space to permit inflow of said active substance into said air space. 2. The system according to claim 1 wherein said protuberances are frustoconically shaped. 3. The system according to claim 1 wherein said protuberances comprise parallel wave-shaped ribs that extend along a major axis of said second layer. 4. The system according to claim 1 further comprising an adhesive on said second side of said second layer. 5. A fluid delivery system for introducing a free-flowing active substance to a structure in situ, said system comprising: an integral, multi-layer device comprising a first layer, a second layer and an intermediate layer;said first layer having an inwardly facing surface and an outwardly facing surface, said first layer being a material that is permeable to said active substance but at least nearly impermeable to a structural construction material to be applied against said outwardly facing surface of said first layer;said second layer being water impermeable and having an inwardly facing first side and an outwardly facing second side, said inwardly facing first side of said second layer being affixed directly or indirectly to said inwardly facing surface of said first layer such that all or a substantial portion of said second layer is spaced apart from said first layer to create air space between said first and second layers;said intermediate layer located between said first layer and said second layer, wherein said intermediate layer comprises a sheet with a plurality of protuberances that extend toward said first layer, each of said protuberances including a plurality of openings to permit passage of said active substance therethrough, thereby providing a plurality of interconnected interstitial air spaces sufficient to permit inflow of said active substance between said first layer and said second layer; anda plurality of tubes adapted to be affixed to said device in communication with said air space to permit inflow of said active substance into said air space. 6. The system according to claim 5 further comprising an adhesive on said second side of said second layer. 7. A fluid delivery system for introducing a free-flowing active substance to a structure in situ, said system comprising: an integral, multi-layer device comprising a first layer, a second layer and an intermediate layer;said first layer having an inwardly facing surface and an outwardly facing surface, said first layer being a material that is permeable to said active substance but at least nearly impermeable to a structural construction material to be applied against said outwardly facing surface of said first layer;said second layer being water impermeable and substantially planar and having an inwardly facing first side and an outwardly facing second side, said inwardly facing first side of said second layer being affixed directly or indirectly to said inwardly facing surface of said first layer such that all or a substantial portion of said second layer is spaced apart from said first layer to create air space between said first layer and said second layer;said intermediate layer located between said first layer and said second layer, wherein said intermediate layer includes a plurality of interconnected interstitial air spaces sufficient to permit inflow of said active substance between said first layer and said second layer; wherein said intermediate layer comprises a member selected from the group consisting of: (a) a sheet with a plurality of frustoconically shaped protuberances that extend toward said first layer and wherein each of said protuberances includes a plurality of openings; (b) a sheet with a plurality of protuberances that extend toward said first layer wherein said protuberances comprise parallel wave-shaped ribs that extend along a major axis of said intermediate layer and wherein each of said protuberances includes a plurality of openings; (c) a pair of planar geotextile matrices separated by parallel tubular-shaped geotextile matrices that extend along a major axis of said intermediate layer; (d) plural layers of offset polymeric grids; and (e) an open lattice of fibers or fused filaments; anda plurality of tubes adapted to be affixed to said device in communication with said air space to permit inflow of said active substance into said air space. 8. The system according to claim 7 wherein said active substance comprises a flowable cementitious or polymer resin material that will solidify upon curing. 9. The system according to claim 7 wherein said second layer includes an extension portion adapted to provide an underlay for overlapping a subsequently installed multi-layer device thereupon. 10. The system according to claim 7 wherein said intermediate layer comprises a sheet with a plurality of frustoconically shaped protuberances that extend toward said first layer and wherein each of said protuberances includes a plurality of openings. 11. The system according to claim 7 wherein said intermediate layer comprises a sheet with a plurality of protuberances that extend toward said first layer wherein said protuberances comprise parallel wave-shaped ribs that extend along a major axis of said intermediate layer and wherein each of said protuberances includes a plurality of openings. 12. The system according to claim 7 wherein said intermediate layer comprises a pair of planar geotextile matrices separated by parallel tubular-shaped geotextile matrices that extend along a major axis of said intermediate layer. 13. The system according to claim 12 wherein said first layer is integral with said intermediate layer and comprises one of said planar geotextile matrices of said intermediate layer. 14. The system according to claim 7 wherein said intermediate layer comprises plural layers of offset polymeric grids. 15. The system according to claim 7 wherein said intermediate layer comprises an open lattice of fibers or fused filaments. 16. The system according to claim 7 further comprising an adhesive on said second side of said second layer.

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[미국특허] Device for in-situ barrier 원문보기

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