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公开(公告)号：US20190203469A1
公开(公告)日：2019-07-04
申请号：US16231576
申请日：2018-12-23
发明人： Mithun N. Kamath , Choung-Houng Lai , Michael J. Lemberger , Gerald Boydston , Bryan Witzius , Nathan Frailey , Eric Dong
CPC分类号： E04C2/043 , B28B19/0015 , B28B19/0092 , B32B13/08 , B32B27/10 , B32B2262/101 , B32B2315/18 , B32B2607/00
摘要： An example plasterboard includes a layer of hardened plaster having a first surface and an opposed second surface, a layer of polymer material having particles of one or more cementitiously-active substances mixed therein, and a liner between the first surface of the layer of hardened plaster and the layer of polymer material. Another example is a method of forming such a plasterboard. The method includes loading an extruder with the polymer material having the particles of one or more cementitiously active substances mixed therein, extruding the polymer material through a die to form the layer of polymer material on a surface of the liner, contacting with a layer of wet plaster material, the liner having the polymer material applied thereon such that the surface of the liner faces away from the wet plaster material, and drying the layer of wet plaster material to form the layer of hardened plaster.
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公开(公告)号：US20190203470A1
公开(公告)日：2019-07-04
申请号：US16231577
申请日：2018-12-23
发明人： Mithun N. Kamath , Choung-Houng Lai , Michael J. Lemberger , Gerald Boydston , Bryan Wiltzius , Eric Dong , Nathan Frailey
CPC分类号： E04C2/043 , B28B19/0015 , B28B19/0092 , B32B3/28 , B32B13/08 , B32B27/08 , B32B27/10 , B32B2262/101 , B32B2315/18 , B32B2607/00
摘要： An example plasterboard includes a layer of hardened plaster material having a first surface and an opposed second surface and a layer of molded material having a surface that faces away from the layer of hardened plaster material. The surface of the layer of molded material has one or more raised features. The plasterboard also includes a liner between the first surface of the layer of hardened plaster material and the layer of molded material. Other examples include a method of forming such plasterboards and a method for installing such plasterboards.
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公开(公告)号：US11619044B2
公开(公告)日：2023-04-04
申请号：US16231576
申请日：2018-12-23
发明人： Mithun N. Kamath , Choung-Houng Lai , Michael J. Lemberger , Gerald Boydston , Bryan Wiltzius , Nathan Frailey , Eric Dong
摘要： An example plasterboard includes a layer of hardened plaster having a first surface and an opposed second surface, a layer of polymer material having particles of one or more cementitiously-active substances mixed therein, and a liner between the first surface of the layer of hardened plaster and the layer of polymer material. Another example is a method of forming such a plasterboard. The method includes loading an extruder with the polymer material having the particles of one or more cementitiously active substances mixed therein, extruding the polymer material through a die to form the layer of polymer material on a surface of the liner, contacting with a layer of wet plaster material, the liner having the polymer material applied thereon such that the surface of the liner faces away from the wet plaster material, and drying the layer of wet plaster material to form the layer of hardened plaster.
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公开(公告)号：US20220389712A1
公开(公告)日：2022-12-08
申请号：US17888217
申请日：2022-08-15
发明人： Mithun N. Kamath , Choung-Houng Lai , Michael J. Lemberger , Gerald Boydston , Bryan Wiltzius , Eric Dong , Nathan Frailey
摘要： An example plasterboard includes a layer of hardened plaster material having a first surface and an opposed second surface and a layer of molded material having a surface that faces away from the layer of hardened plaster material. The surface of the layer of molded material has one or more raised features. The plasterboard also includes a liner between the first surface of the layer of hardened plaster material and the layer of molded material. Other examples include a method of forming such plasterboards and a method for installing such plasterboards.
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公开(公告)号：US12060709B2
公开(公告)日：2024-08-13
申请号：US17888217
申请日：2022-08-15
发明人： Mithun N. Kamath , Choung-Houng Lai , Michael J. Lemberger , Gerald Boydston , Bryan Wiltzius , Eric Dong , Nathan Frailey
CPC分类号： E04C2/043 , B28B19/0015 , B28B19/0092 , B32B3/28 , B32B13/08 , B32B27/08 , B32B27/10 , B32B2262/101 , B32B2315/18 , B32B2607/00 , E04C2/322
摘要： An example plasterboard includes a layer of hardened plaster material having a first surface and an opposed second surface and a layer of molded material having a surface that faces away from the layer of hardened plaster material. The surface of the layer of molded material has one or more raised features. The plasterboard also includes a liner between the first surface of the layer of hardened plaster material and the layer of molded material. Other examples include a method of forming such plasterboards and a method for installing such plasterboards.
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公开(公告)号：US11414864B2
公开(公告)日：2022-08-16
申请号：US16231577
申请日：2018-12-23
发明人： Mithun N. Kamath , Choung-Houng Lai , Michael J. Lemberger , Gerald Boydston , Bryan Wiltzius , Eric Dong , Nathan Frailey
摘要： An example plasterboard includes a layer of hardened plaster material having a first surface and an opposed second surface and a layer of molded material having a surface that faces away from the layer of hardened plaster material. The surface of the layer of molded material has one or more raised features. The plasterboard also includes a liner between the first surface of the layer of hardened plaster material and the layer of molded material. Other examples include a method of forming such plasterboards and a method for installing such plasterboards.
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公开(公告)号：US10857770B2
公开(公告)日：2020-12-08
申请号：US15476786
申请日：2017-03-31
IPC分类号： B32B27/12 , B32B5/02 , B32B13/14 , B32B37/15 , E04C2/04 , E04C2/26 , B32B13/02 , B32B27/28 , B32B13/12 , B32B7/12 , B32B13/04 , B32B27/06 , B32B27/36 , B32B37/12 , B32B3/26 , E04C2/52 , B32B27/32 , B32B19/04 , B32B27/34 , B32B37/24 , B32B38/00 , B32B37/02
摘要： A building board including a cementitious layer between two fiber mats. At least one fiber mat forms with a polymer film a fiber mat/polymer film laminate. The cementitious layer of the building board contains a reactive water-insoluble polymer which improves binding of the fiber mat/polymer film laminate to the cementitious layer. The building board has a low water absorption and a high level surface finish.
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