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    METHOD AND APPARATUS TO MONITOR THE COMPRESSIVE STRENGTH OF INSULATION BOARDS
    11.
    发明申请
    METHOD AND APPARATUS TO MONITOR THE COMPRESSIVE STRENGTH OF INSULATION BOARDS 有权
    监测绝缘子板压缩强度的方法和装置

    公开(公告)号：US20090044632A1

    公开(公告)日：2009-02-19

    申请号：US12124395

    申请日：2008-05-21

    申请人： Timothy TACKETT ,  John B. Letts

    发明人： Timothy TACKETT ,  John B. Letts

    IPC分类号： G01N19/00

    CPC分类号： B29C44/60 ,  B29K2075/00 ,  G01N3/08 ,  G01N2203/0019 ,  G01N2203/0248 ,  G01N2203/0282

    摘要： An edge-strength measuring device for measuring the compressive strength of a foam matrix along the edges thereof, the device comprising at least one measuring implement having one or more contacting elements for engaging with the edges of the foam matrix, and at least one measuring device in communication with said contacting elements for measuring the resistance imparted by the foam matrix when said contacting element is engaged with the edge.

    摘要翻译： 一种边缘强度测量装置，用于测量沿其边缘的泡沫基体的抗压强度，该装置包括至少一个具有一个或多个接触元件的测量工具，用于与泡沫基体的边缘接合，以及至少一个测量装置 与所述接触元件连通，用于当所述接触元件与边缘接合时测量由泡沫基体施加的阻力。

    Composite roofing members having improved dimensional stability and related methods
    15.
    发明授权
    Composite roofing members having improved dimensional stability and related methods 有权
    具有改进的尺寸稳定性和相关方法的复合屋面构件

    公开(公告)号：US6044604A

    公开(公告)日：2000-04-04

    申请号：US131482

    申请日：1998-08-10

    申请人： Thomas M. Clayton ,  John B. Letts

    发明人： Thomas M. Clayton ,  John B. Letts

    IPC分类号： E04C2/24 ,  E04C2/296 ,  E04D3/35 ,  E04C2/26

    CPC分类号： E04D3/352 ,  E04C2/246 ,  E04C2/296

    摘要： A composite recovery board (10) containing a foam core (11) of polyisocyanurate, polyurethane materials or mixtures thereof; a facer (15), applied to one major surface (13) of the foam core, where the facer includes polymer materials, reinforced polymer materials, cellulosic materials, paper, aluminum foil or trilaminates thereof, wherein the reinforced polymer material and the cellulosic material are reinforced with glass strands, glass fibers, or mixtures thereof; and, gypsum board (14), applied to the opposite major surface (12) of the foam core. A method of reroofing a roof by applying composite recovery boards of the present invention to a roof deck; and, applying a weather protective layer over the recovery boards. A continuous method of making a composite recovery board by feeding gypsum board (14) into a laminator assembly (21); depositing a foamable polymer liquid (36) onto the gypsum board; feeding a facer material (15) into the laminator assembly above the foamable polymer liquid; allowing the polymer liquid to rise between the gypsum board and facer material forming polymer foam of a pre-determined thickness; curing the polymer foam under heat (44) to create the composite board; and cutting the composite board to desired lengths.

    摘要翻译： 包含聚异氰脲酸酯的泡沫芯（11），聚氨酯材料或其混合物的复合回收板（10） 面层（15），其施加到泡沫芯的一个主表面（13），其中所述面包括聚合物材料，增强的聚合物材料，纤维素材料，纸，铝箔或其三聚物，其中所述增强聚合物材料和纤维素材料 用玻璃丝，玻璃纤维或其混合物增强; 和石膏板（14），其施加到泡沫芯的相对的主表面（12）上。 一种通过将本发明的复合回收板应用到屋顶甲板来重新铺上屋顶的方法; 并在回收板上施加防护层。 一种通过将石膏板（14）输送到层压机组件（21）中来制造复合回收板的连续方法; 将可发泡聚合物液体（36）沉积到石膏板上; 将层材料（15）进料到可发泡聚合物液体上方的层压机组件中; 允许聚合物液体在石膏板和形成预定厚度的聚合物泡沫材料的表面材料之间上升; 在热（44）下固化聚合物泡沫以产生复合板; 并将复合板切割成所需的长度。

    Insulation boards and methods for their manufacture
    19.
    发明授权
    Insulation boards and methods for their manufacture 有权
    绝缘板及其制造方法

    公开(公告)号：US07838568B2

    公开(公告)日：2010-11-23

    申请号：US10632343

    申请日：2003-08-01

    申请人： John B. Letts ,  Wayne E. Laughlin ,  Bruce M. Miller

    发明人： John B. Letts ,  Wayne E. Laughlin ,  Bruce M. Miller

    IPC分类号： C08J9/12

    CPC分类号： C08G18/40 ,  C08G2101/0025 ,  C08G2105/02 ,  C08J9/30 ,  C08J2375/04 ,  Y10T428/249953 ,  Y10T428/31551

    摘要： A method of manufacturing a polyisocyanurate foam insulation board, the method comprising contacting a stream of reactants that comprise an isocyanate-reactive compound with a stream of reactants that include an isocyanate compound to form a reaction product, where the step of contacting takes place in the presence of a blowing agent and a low-boiling inert gas, and where the amount of low-boiling inert gas present at the time of the contacting is sufficient to result in frothing of the reaction product.

    摘要翻译： 一种制造聚异氰脲酸酯泡沫绝缘板的方法，该方法包括将包含异氰酸酯反应性化合物的反应物流与包含异氰酸酯化合物的反应物流接触以形成反应产物，其中接触步骤发生在 存在发泡剂和低沸点惰性气体，并且其中在接触时存在的低沸点惰性气体的量足以导致反应产物起泡。

    Metal roof sealing system and method
    20.
    发明授权
    Metal roof sealing system and method 失效
    金属屋顶密封系统及方法

    公开(公告)号：US5950383A

    公开(公告)日：1999-09-14

    申请号：US97628

    申请日：1998-06-16

    申请人： Robert B. Williamson ,  Edward G. Kane ,  John B. Letts

    发明人： Robert B. Williamson ,  Edward G. Kane ,  John B. Letts

    IPC分类号： E04D3/38 ,  E04B7/00 ,  E04D11/02 ,  E04G21/14

    CPC分类号： E04D3/38

    摘要： A sealing system and method for a metal roof having a plurality of sheet metal panels attached to a roof deck covered by a layer of insulation, such as polystyrene. The joints and seams formed at junctions of adjacent plates are sealed with a nonflammable or low combustible, char forming, non absorbent layer of material which is applied over the seams in a liquid or slurry form, which subsequently hardens to form a liquid proof seal to reduce the flow of molten polystyrene from melting of the adjacent layer of insulation, into the fire below.

    摘要翻译： 一种用于金属屋顶的密封系统和方法，所述密封系统和方法具有附接到由绝缘层（例如聚苯乙烯）覆盖的屋顶甲板上的多个金属板。 在相邻板的接合处形成的接头和接缝用不可燃或低可燃，形成炭的非吸收性材料层密封，其以液体或浆液形式施加在接缝上，随后硬化​​以形成防液体密封 减少熔融聚苯乙烯从相邻的绝缘层熔化流入下面的火中。