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    IN-SITU BARRIER DEVICE WITH INTERNAL INJECTION CONDUIT
    4.
    发明申请
    IN-SITU BARRIER DEVICE WITH INTERNAL INJECTION CONDUIT 审中-公开

    公开(公告)号：US20200232322A1

    公开(公告)日：2020-07-23

    申请号：US16612393

    申请日：2018-05-10

    Applicant: GCP Applied Technologies Inc.

    Inventor： MD Nasim Hyder ,  Robert A. Wiercinski ,  Jyoti Seth ,  Greg Austin ,  Christian A. Forgey ,  Sean Dsilva

    IPC: E21D11/38 ,  E02D31/02 ,  E02D19/18

    Abstract: The present invention provides a multi-layer barrier assembly or device for post-installation injection of a resin, grout, or other fluid fluid. The barrier device comprises first and second layers defining an intermediate open-matrix layer, and at least one injection conduit member in parallel orientation with respect to the first and second layers and having openings for injecting fluid into the intermediate open-matrix layer. The injection conduit may be located between and in parallel orientation with respect to the first and second layers, along an edge of the first and/or second layers, along an outer face of the first layer (if the first layer is a woven or nonwoven fabric), or at any combination of these locations, to enable fluid to be conveyed into the intermediate open-matrix layer. The invention also provides for use of a gel activator within the barrier device cavity, such as pre-installed on open-matrix structure which used for separating the first and second layers of the barrier device, such that a highly flowable injection fluid can be introduced into the device, and its gelation or hardening will be initiated or accelerated by the presence of the gel activator. This will allow for low power grout pumps to be used and facilitate the sealing of fine cracks in the surrounding concrete.

    Integral weather barrier panels
    7.
    发明授权
    Integral weather barrier panels 有权

    公开(公告)号：US11536026B2

    公开(公告)日：2022-12-27

    申请号：US16316924

    申请日：2018-08-14

    Applicant: GCP Applied Technologies Inc.

    Inventor： Anandakumar Ranganathan ,  Robert A. Wiercinski ,  Xia Cao ,  Marysusan Couturier ,  Md Nasim Hyder ,  Jyoti Seth ,  Nicholas Pankewytch

    IPC: E04B1/66 ,  B32B7/08 ,  E04B1/62 ,  B32B21/02 ,  E04C2/24 ,  B32B21/13 ,  B32B21/14 ,  C09D4/00 ,  C09D5/00 ,  C09D153/00 ,  C09D175/02

    Abstract: The present invention provides a panel sheathing for making wall and roof structures in which the panels (e.g., wood boards, oriented strand boards, plywood, etc.) are pre-coated at a factory, before installation at the building/construction site, using a polymeric barrier coating having specific water permeability, self-sealing properties with respect to penetrated metal fasteners (e.g., nails) in accordance with ASTM D7349 (modified using 1.5-5.0 inches water depth in hydrostatic head testing over sample of coated panel in which a steel nail is driven to within ⅛ inches of being flush with the panel and conditioning the test specimen for 24 hours at 23° C. prior to hydrostatic loading), as well as anti-blocking properties whereby the coated panels can be transported in stacked configuration without sticking or disintegration of the polymeric barrier coating. The coated panels do not require the use at the installation site of felt paper, house wrap, or additional applied barrier coating to provide excellent weather barrier properties. The present invention also provides methods for constructing the panel sheathing structure as well as for making the coated panels.

    In-situ barrier device with internal injection conduit
    8.
    发明授权
    In-situ barrier device with internal injection conduit 有权

    公开(公告)号：US11073017B2

    公开(公告)日：2021-07-27

    申请号：US16612393

    申请日：2018-05-10

    Applicant: GCP Applied Technologies Inc.

    Inventor： Md Nasim Hyder ,  Robert A. Wiercinski ,  Jyoti Seth ,  Greg Austin ,  Christian A. Forgey ,  Sean Dsilva

    IPC: E21D11/38 ,  E02D19/18 ,  E02D31/02

    Abstract: The present invention provides a multi-layer barrier assembly or device for post-installation injection of a resin, grout, or other fluid. The barrier device comprises first and second layers defining an intermediate open-matrix layer, and at least one injection conduit member in parallel orientation with respect to the first and second layers and having openings for injecting fluid into the intermediate open-matrix layer. The injection conduit may be located between and in parallel orientation with respect to the first and second layers, along an edge of the first and/or second layers, along an outer face of the first layer (if the first layer is a woven or nonwoven fabric), or at any combination of these locations, to enable fluid to be conveyed into the intermediate open-matrix layer. The invention also provides for use of a gel activator within the barrier device cavity, such as pre-installed on open-matrix structure which used for separating the first and second layers of the barrier device, such that a highly flowable injection fluid can be introduced into the device, and its gelation or hardening will be initiated or accelerated by the presence of the gel activator. This will allow for low power grout pumps to be used and facilitate the sealing of fine cracks in the surrounding concrete.

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