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    • 2. 发明授权
    • Process for the manufacture of asphalt shingles
    • 制造沥青瓦的工艺
    • US4795661A
    • 1989-01-03
    • US92865
    • 1987-09-03
    • Alfredo A. BondocDuane A. DavisStanley P. FrankoskiBruno E. Magnus
    • Alfredo A. BondocDuane A. DavisStanley P. FrankoskiBruno E. Magnus
    • E04D1/26B05D5/00B05D1/28B05D1/30B05D3/12
    • E04D1/26E04D2001/005
    • A rectangular shingle sheet having a butt portion which is longitudinally divided into spaced apart tab segments and an undivided headlap portion which is 1.3 to 1.5 times higher than the outward extensions of said tab segments in the butt portion; the butt portion and headlap portion carrying an asphaltic backing of varying thickness wherein the upper area of the headlap portion which is of a height approximately equal to that of the butt portion is coated with an asphaltic backing of between about 5 and about 15 mils thickness and the remaining lower area of the headlap portion and the entire butt portion is uniformly coated with an asphaltic backing of between about 20 and about 100 mils thickness. In one embodiment, the shingle is a composite roofing shingle comprising a shingle sheet having a butt portion which is longitudinally divided into spaced apart tab segments, and a separate elongated strip underlying the tab segments which fills the space between the tabs.A process for the manufacture of the shingles of this invention. comprises undercoating the butt portion and from about 1/7th to about 3/7ths of the adjoining headlap portion with an asphaltic material in a thickness of from about 20 to about 100 mils, undercoating the remaining headlap portion with asphaltic material in a thickness of from about 5 to about 15 mils and contacting said thicker undercoating with a bar which hydroplanes on the surface of the thicker undercoating to smooth the surface thereof.
    • 一种矩形的瓦片,具有纵向分割成间隔开的翼片段的对接部分和与所述对接部分中的所述翼片段的向外延伸部分相比高1.3至1.5倍的未分开的头皮部分; 对接部分和头部部分承载不同厚度的沥青背衬,其中头部部分的高度大约等于对接部分的高度的上部区域涂覆有约5至约15密耳厚度的沥青背衬,以及 头部部分和整个对接部分的剩余较低面积均匀地涂覆有约20至约100密耳厚度的沥青背衬。 在一个实施例中,瓦板是复合屋顶瓦,其包括具有纵向分隔成间隔开的翼片段的对接部分的瓦片,以及填充突片之间的空间的突片段下面的单独的细长条。 一种制造本发明的屋顶板的方法。 包括使用约20至约100密耳的厚度的沥青材料将对接部分和邻接头部部分的约1/7至约3/7的底涂层覆盖,其余的头部部分与沥青材料的厚度为 约5至约15密耳,并使所述较厚的底涂层与较厚底漆表面上的液滴的条杆接触以使其表面平滑。
    • 7. 发明授权
    • Economical method of making high-strength glass fiber mats particularly
useful for roofing products
    • 制造高强度玻璃纤维毡的经济方法特别适用于屋顶产品
    • US4200487A
    • 1980-04-29
    • US39578
    • 1979-05-16
    • Alfredo A. BondocV. Robert CanfieldB. Randall Ziegler
    • Alfredo A. BondocV. Robert CanfieldB. Randall Ziegler
    • D21F11/00D21H13/40
    • D21H13/40D21F11/00
    • The glass mat made herein is comprised of two fibrous components, namely, individual filament glass fibers and extended glass fiber elements. These components are formed herein in situ in a wet-laid process from original bundles of glass fibers. The individual filaments appear by conventional filamentation of the bundles. The extended fiber elements, however, are formed by longitudinal extension of a given bundle whose fibers are connected longitudinally. Thereby the effective length of a fiber element is very much greater than the length of the fibers therein. The fiber elements are further characterized by a non-uniform diameter, as contrasted to the fibers themselves, being thicker in the midsection of the element where connection of fibers is maximized, and tapered towards its ends, where fiber connection is at a minimum.The extended fiber elements preferably predominate by weight of the fibrous content of the mat over the individual filaments. The desired ratio of the two components is achieved in the method of the invention by using bundles whose fibers have a long length, and by very gentle agitation of the dispersion slurry for a short period of time.
    • 本文制成的玻璃垫由两种纤维组分组成,即单独的长丝玻璃纤维和延伸的玻璃纤维元件。 这些组分是在原始的玻璃纤维束的湿法成网工艺中原位形成的。 单个细丝通过束的常规纤维出现。 然而,延伸的纤维元件通过其纤维纵向连接的给定束的纵向延伸形成。 因此,纤维元件的有效长度远大于其中纤维的长度。 纤维元件的特征还在于与纤维本身相反的不均匀的直径在纤维连接处最大化的元件的中部较厚,并且在纤维连接处于最小值的端部处逐渐变细。 延伸的纤维元素优选占单丝重量的纤维含量。 在本发明的方法中,通过使用其纤维长度长的纤维束,并且通过非常温和地搅拌分散浆料在短时间内实现两种组分的所需比例。