公开(公告)号：US10293522B2

公开(公告)日：2019-05-21

申请号：US13659600

申请日：2012-10-24

Applicant: United States Gypsum Company

Inventor： Alfred Li ,  Chris C. Lee ,  Cesar Chan ,  Ronald E. Schenck ,  Weixin D. Song ,  Curt Loring ,  James Wittbold ,  William Rago

IPC: B29C41/14 ,  B29C37/00 ,  B29C33/38 ,  B29C33/48 ,  B29C41/38 ,  B29C41/42 ,  B29C33/50 ,  B29C33/44 ,  B29L31/00 ,  B29C33/00 ,  B28B19/00

Abstract: A multi-piece mold for use in a method for making a slurry distributor includes a plurality of mold segments adapted to be removably secured together. The mold segments are configured such that, when the mold segments are assembled together, the assembled mold segments define a substantially continuous exterior surface adapted to be a negative image of an interior flow region of a slurry distributor molded thereupon. Each mold segment has a maximum cross-sectional area in a plane substantially transverse to a direction of movement of the mold segment along a removal path out of a respective opening of the molded slurry distributor. The maximum cross-sectional area of each mold segment is up to about 150% of the smallest area of the interior flow region of the molded slurry distributor through which the mold segment traverses when moving along the respective removal path.

公开(公告)号：US20160375651A1

公开(公告)日：2016-12-29

申请号：US15186232

申请日：2016-06-17

Applicant: United States Gypsum Company

Inventor： Alfred C. Li ,  Weixin D. Song ,  Yijun Sang ,  Gregg G. Diefenbacher ,  Annamaria Vilinska ,  Brian J. Christ ,  Fredrick T. Jones ,  Bradley W. Todd

IPC: B32B7/02 ,  E04C2/02 ,  B32B13/08

Abstract: Disclosed is a composite gypsum board comprising a hoard core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the board core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.

Abstract translation: 公开了一种复合石膏板，其包括囤积芯和基本厚度的浓缩层（例如，至少约0.02英寸）。 浓缩层包括比板芯更高重量百分比的增强添加剂。 板芯的厚度大于浓缩层的厚度，并形成板体的体积。 浓缩层具有比板芯的密度更高的密度（例如，至少约1.1倍）。 还公开了一种制备复合石膏板的方法。

公开(公告)号：US12162803B2

公开(公告)日：2024-12-10

申请号：US15186320

申请日：2016-06-17

Applicant: United States Gypsum Company

Inventor： Annamaria Vilinska ,  Weixin D. Song ,  Alfred C. Li

IPC: C04B28/14 ,  B28B1/29 ,  B28B17/00 ,  B28B19/00 ,  B28C5/12 ,  B32B5/20 ,  B32B9/02 ,  B32B13/08 ,  C04B24/02 ,  C04B38/10 ,  C04B103/48 ,  C04B111/00 ,  E04C2/04

Abstract: Disclosed is a foam modifier, e.g., useful for gypsum or cement slurries. The foam modifier comprises a fatty alcohol that is added to a gypsum or cement slurry that includes foaming agent, such as an alkyl sulfate surfactant. The fatty alcohol can be a C6-C16 fatty alcohol in some embodiments. The use of such a foam modifier can be used, for example, to stabilize the foam, reduce waste of foaming agent, improve void size control in the final product, and improve the gypsum board manufacturing process.

公开(公告)号：US10421251B2

公开(公告)日：2019-09-24

申请号：US15186232

申请日：2016-06-17

Applicant: United States Gypsum Company

Inventor： Alfred C. Li ,  Weixin D. Song ,  Yijun Sang ,  Gregg G. Diefenbacher ,  Annamaria Vilinska ,  Brian J. Christ ,  Fredrick T. Jones ,  Bradley W. Todd

IPC: B32B7/02 ,  B32B13/08 ,  B32B13/02 ,  B32B13/04 ,  C04B11/00 ,  C04B24/38 ,  E04C2/04 ,  C04B22/16 ,  B32B13/14 ,  C04B28/14 ,  C04B111/00 ,  C04B111/30

Abstract: Disclosed is a composite gypsum board comprising a hoard core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the board core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.

公开(公告)号：US10286572B2

公开(公告)日：2019-05-14

申请号：US13659423

申请日：2012-10-24

Applicant: United States Gypsum Company

Inventor： Alfred Li ,  Chris C. Lee ,  Cesar Chan ,  Ronald E. Schenck ,  Weixin D. Song ,  Curt Loring ,  James Wittbold ,  William Rago

IPC: B32B5/20 ,  B28B19/00 ,  F16L41/02 ,  B29B7/74 ,  B29B7/76

Abstract: A flow splitter can include an inlet conduit and first and second outlet conduits separated by a junction portion. The inlet conduit can include an inlet end and a junction end. The inlet conduit is disposed along a main flow axis extending between the inlet end and the junction end. The inlet end defines an inlet opening. The junction end defines first and second junction openings. The first junction opening is disposed in spaced relationship to the second junction opening. The junction portion is disposed at the junction end of the inlet conduit between the first and second junction openings. The junction portion includes a substantially planar wall region that is substantially perpendicular to the main flow axis. The flow splitter can be placed in fluid communication with a cementitious slurry mixer and a slurry distributor with the flow splitter disposed therebetween.

公开(公告)号：US09828441B2

公开(公告)日：2017-11-28

申请号：US14494547

申请日：2014-09-23

Applicant: United States Gypsum Company

Inventor： Yijun Sang ,  Weixin D. Song ,  Cesar Chan ,  Chris C. Lee

IPC: C08B30/14 ,  C04B28/14 ,  C04B24/10 ,  E04C2/26 ,  C04B111/00

CPC classification number: C08B30/14 ,  C04B28/14 ,  C04B2111/0062 ,  C04B2111/00672 ,  E04C2/26 ,  Y02W30/97 ,  Y10T428/31971 ,  C04B24/383 ,  C04B14/28 ,  C04B18/24

Abstract: Disclosed are methods relating to an extruded pregelatinized, partially hydrolyzed starch prepared by mixing at least water, non-pregelatinized starch, and acid to form a starch precursor. The acid can be a weak acid that substantially avoids chelating calcium ions or a strong acid in a small amount. In the method, pregelatinization and acid-modification of the starch precursor occurs in one step in an extruder. Also disclosed are methods of preparing board using the starch prepared according to the methods, as well as starches and boards prepared by various methods of the invention.

公开(公告)号：US08702881B2

公开(公告)日：2014-04-22

申请号：US13669283

申请日：2012-11-05

Applicant: United States Gypsum Company

Inventor： Qiang Yu ,  Srinivas D. Veeramasuneni ,  Weixin D. Song ,  Wenqi Luan

IPC: B32B5/20 ,  C04B9/04 ,  C04B11/00 ,  C04B28/14 ,  B32B27/32 ,  B32B3/00 ,  B32B3/26

CPC classification number: E04C2/04 ,  B28B1/50 ,  B28B11/12 ,  B28B11/243 ,  B32B5/16 ,  B32B9/005 ,  B32B38/164 ,  B32B2307/3065 ,  B32B2607/00 ,  C04B20/06 ,  C04B28/14 ,  C04B28/145 ,  C04B2111/0062 ,  C04B2111/28 ,  C04B2201/30 ,  E04B1/942 ,  Y10T428/249968 ,  Y10T428/249979 ,  Y10T428/26 ,  Y10T428/31971 ,  C04B14/386 ,  C04B14/42 ,  C04B14/46 ,  C04B20/0024 ,  C04B22/16 ,  C04B24/38 ,  C04B38/0054 ,  C04B38/106 ,  C04B2103/408 ,  C04B14/202

Abstract: A method of preparing a reduced weight, reduced density gypsum panel that includes high expansion vermiculite with fire resistance that meet or exceed one or more industry standard fire tests.

Abstract translation: 一种制备减重密度石膏面板的方法，其包括具有耐火性的高膨胀蛭石，其满足或超过一个或多个工业标准的火灾试验。

公开(公告)号：US20240359424A1

公开(公告)日：2024-10-31

申请号：US18769040

申请日：2024-07-10

Applicant: UNITED STATES GYPSUM COMPANY

Inventor： Alfred C. Li ,  Weixin D. Song ,  Yijun Sang ,  Gregg G. Diefenbacher ,  Annamaria Vilinska ,  Brian J. Christ ,  Fredrick T. Jones ,  Bradley W. Todd

IPC: B32B7/02 ,  B32B13/02 ,  B32B13/04 ,  B32B13/08 ,  B32B13/14 ,  B32B37/14 ,  B32B37/15 ,  C04B11/00 ,  C04B22/16 ,  C04B24/38 ,  C04B28/14 ,  C04B111/00 ,  C04B111/30 ,  E04C2/04

CPC classification number: B32B7/02 ,  B32B13/02 ,  B32B13/04 ,  B32B13/08 ,  B32B13/14 ,  B32B37/144 ,  C04B11/00 ,  C04B11/002 ,  C04B22/16 ,  C04B24/383 ,  C04B28/14 ,  E04C2/043 ,  B32B37/15 ,  B32B2250/04 ,  B32B2250/40 ,  B32B2260/028 ,  B32B2260/046 ,  B32B2262/101 ,  B32B2264/02 ,  B32B2264/0228 ,  B32B2264/06 ,  B32B2264/062 ,  B32B2307/50 ,  B32B2307/51 ,  B32B2307/536 ,  B32B2307/54 ,  B32B2307/718 ,  B32B2307/72 ,  B32B2419/00 ,  B32B2419/04 ,  B32B2419/06 ,  B32B2607/00 ,  C04B2111/00413 ,  C04B2111/0062 ,  C04B2111/30 ,  C04B2201/20

Abstract: Disclosed is a composite gypsum board comprising a board core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the board core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.

公开(公告)号：US12090744B2

公开(公告)日：2024-09-17

申请号：US15186257

申请日：2016-06-17

Applicant: United States Gypsum Company

Inventor： Alfred C. Li ,  Weixin D. Song ,  Yijun Sang ,  Gregg G. Diefenbacher ,  Annamaria Vilinska ,  Brian J. Christ ,  Fredrick T. Jones ,  Bradley W. Todd

IPC: B32B7/02 ,  B32B13/02 ,  B32B13/04 ,  B32B13/08 ,  B32B13/14 ,  B32B37/14 ,  C04B11/00 ,  C04B22/16 ,  C04B24/38 ,  C04B28/14 ,  E04C2/04 ,  B32B37/15 ,  C04B111/00 ,  C04B111/30

CPC classification number: B32B7/02 ,  B32B13/02 ,  B32B13/04 ,  B32B13/08 ,  B32B13/14 ,  B32B37/144 ,  C04B11/00 ,  C04B11/002 ,  C04B22/16 ,  C04B24/383 ,  C04B28/14 ,  E04C2/043 ,  B32B37/15 ,  B32B2250/04 ,  B32B2250/40 ,  B32B2260/028 ,  B32B2260/046 ,  B32B2262/101 ,  B32B2264/02 ,  B32B2264/0228 ,  B32B2264/06 ,  B32B2264/062 ,  B32B2307/50 ,  B32B2307/51 ,  B32B2307/536 ,  B32B2307/54 ,  B32B2307/718 ,  B32B2307/72 ,  B32B2419/00 ,  B32B2419/04 ,  B32B2419/06 ,  B32B2607/00 ,  C04B2111/00413 ,  C04B2111/0062 ,  C04B2111/30 ,  C04B2201/20 ,  C04B28/14 ,  C04B24/38 ,  C04B38/10 ,  C04B28/14 ,  C04B24/2623 ,  C04B38/10 ,  C04B28/14 ,  C04B22/0013 ,  C04B38/10 ,  C04B28/14 ,  C04B14/42 ,  C04B22/148 ,  C04B22/16 ,  C04B24/10 ,  C04B24/383 ,  C04B38/10 ,  C04B2103/10 ,  C04B2103/20 ,  C04B2103/40 ,  C04B28/14 ,  C04B14/42 ,  C04B22/0013 ,  C04B22/148 ,  C04B22/16 ,  C04B24/10 ,  C04B38/10 ,  C04B2103/10 ,  C04B2103/20 ,  C04B2103/40 ,  C04B28/14 ,  C04B14/42 ,  C04B22/148 ,  C04B22/16 ,  C04B24/10 ,  C04B24/2623 ,  C04B38/10 ,  C04B2103/10 ,  C04B2103/20 ,  C04B2103/40 ,  C04B28/14 ,  C04B14/42 ,  C04B22/16 ,  C04B24/10 ,  C04B24/16 ,  C04B24/2623 ,  C04B24/2647 ,  C04B2103/10 ,  C04B2103/20

Abstract: Disclosed is a composite gypsum board comprising a board core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the hoard core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.

公开(公告)号：US11135818B2

公开(公告)日：2021-10-05

申请号：US16554298

申请日：2019-08-28

Applicant: United States Gypsum Company

Inventor： Yijun Sang ,  Weixin D. Song

IPC: B32B27/08

Abstract: Disclosed are product (e.g., panels), slurry, and methods relating to a pregelatinized starch having a mid-range viscosity (i.e., from about 20 centipoise to about 700 centipoise).