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    Process for making gypsum board having improved through-penetration strength
    1.
    发明授权
    Process for making gypsum board having improved through-penetration strength 有权
    制造石膏板具有提高穿透强度的方法

    公开(公告)号：US06475313B1

    公开(公告)日：2002-11-05

    申请号：US09665880

    申请日：2000-09-20

    申请人： Kurt N. Peterson ,  Gerry L. Heschel ,  Dick C. Engbrecht ,  Frederick T. Jones

    发明人： Kurt N. Peterson ,  Gerry L. Heschel ,  Dick C. Engbrecht ,  Frederick T. Jones

    IPC分类号： B32B1300

    CPC分类号： B28B23/0006 ,  B28B19/0092

    摘要： This invention relates to a process for making gypsum board comprising feeding a paper backing sheet and a fiberglass or plastic woven or non-woven scrim material in alignment to a board forming station, separating the paper and the scrim, feeding a high density calcium sulfate hemihydrate slurry into the trough formed between the paper and the scrim, and subsequently compressing the paper and the scrim into contact whereby the high density slurry is forced through the scrim, completely encapsulating the scrim in the high density slurry. As a result of this unique process, excellent bond is developed between the paper, the high density gypsum layer and the foamed gypsum core. The gypsum board has improved through-penetration strength.

    摘要翻译： 本发明涉及一种用于制造石膏板的方法，包括将纸背衬片和玻璃纤维或塑料编织或无纺布稀松布材料与板成型台对准，分离纸和稀松布，将高密度硫酸钙半水合物 浆料进入纸和稀松布之间形成的槽中，随后将纸和稀松布压成接触，由此将高密度浆料强制通过稀松布，将稀松布完全包封在高密度浆料中。 作为这种独特工艺的结果，在纸，高密度石膏层和泡沫石膏芯之间发展出优异的粘结。 石膏板具有提高穿透力。

    Gypsum board paper that reduces roll up during lamination, and board comprising such paper
    2.
    发明授权
    Gypsum board paper that reduces roll up during lamination, and board comprising such paper 失效
    在层压期间减少卷起的石膏板纸，以及包含这种纸的板

    公开(公告)号：US6153040A

    公开(公告)日：2000-11-28

    申请号：US80081

    申请日：1998-05-15

    申请人： Evan V. Rohlf ,  Dick C. Engbrecht ,  Mark B. Scalf

    发明人： Evan V. Rohlf ,  Dick C. Engbrecht ,  Mark B. Scalf

    IPC分类号： B32B13/08 ,  E04C2/04 ,  B32B13/00 ,  B32B31/12

    CPC分类号： B32B13/08 ,  E04C2/043 ,  Y10T428/31808 ,  Y10T428/31996

    摘要： A process for reducing rollups in gypsum board panels when the panels are laminated with a laminate, is provided. A laminator is provided, as is at least one gypsum board panel, each panel having a face paper layer and a backing paper layer. Each paper layer has a coefficient of friction, and at least one of the face paper layer and the backing paper layer is treated with an agent for reducing the coefficient of friction and water absorbency. Next, a supply of laminate is provided and installed in the laminator. Then, at least one panel of the gypsum board is fed through the laminator, so that a layer of the laminate is applied thereon.

    摘要翻译： 提供了一种用于在板与层压板层压时减少石膏板板中的卷起的方法。 提供层压机，如至少一个石膏板面板，每个面板具有面纸层和背纸层。 每个纸层具有摩擦系数，并且用用于降低摩擦系数和吸水性的试剂处理面纸层和背纸层中的至少一个。 接下来，提供层叠体供给并安装在层压机中。 然后，通过层压机将至少一块石膏板进给，使得层压体层被施加在其上。