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    • 32. 发明授权
    • Trilaminate roofing shingle
    • 三层屋顶瓦
    • US6038827A
    • 2000-03-21
    • US203971
    • 1998-12-02
    • Frederick W. Sieling
    • Frederick W. Sieling
    • E04D1/26
    • E04D1/26E04D2001/005Y10T428/24372
    • A trilaminated roofing shingle comprising:(a) an anterior layer consisting essentially of a rectangular, granular surfaced shingle sheet having an undivided headlap portion and a butt portion comprising a plurality of tabs of an average given breadth separated by spaces approximately 0.50 to 1.25 the breadth of a tab;(b) a middle layer consisting essentially of a longitudinally coextensive rectangular, granular surfaced shingle sheet of an overall width up to equal the width of the anterior layer, having the same number of tabs of complementary configuration as those of (a), said tabs of (b) uniformly larger in breadth or breadth and height with respect to the tabs of (a) but insufficient to fill the spaces between the tabs of (a), so as to allow spaces between tabs of (b) when assembled, middle layer (b) being attached to the undersurface of anterior layer (a) in a manner such that the tabs of (b) are centered under the tabs of (a) and partially fill the spaces between the tabs of (a) and(c) a posterior layer of an undivided, longitudinally coextensive rectangular strip exposable through and filling the spaces and having granules on its surface in at least its exposed areas, strip (c) having a width greater than the height of the tabs of (b) and being attached to the undersurface of (b).
    • 一种三层屋顶瓦,包括:(a)基本上由矩形的颗粒状表面的瓦片组成的前层,其具有未分开的头部部分和对接部分,所述对接部分包括平均给定宽度的多个翼片,所述翼片以宽度大约0.50至1.25的间隔分开 的标签 (b)中间层,其基本上由纵向共同延伸的长方形的颗粒状表面的瓦片组成,其总宽度等于前层的宽度,具有与(a)相同数量的互补构型的突片,所述片 (b)相对于(a)的突片宽度或宽度和高度均匀地较大,但不足以填充(a)的突片之间的空间,以便在组装时允许(b)的突片之间的间隔,中间 层(b)以如下方式附接到前层(a)的下表面,使得(b)的突片位于(a)的突片下方的中心并部分地填充(a)和(c)的突片之间的空间 )未分割的纵向共同延伸的矩形条的后层,其可暴露于并填充所述空间,并且在其至少其暴露区域中的表面上具有颗粒,带(c)的宽度大于(b)的突片的高度;以及 附着在(b)的下表面。