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    • 1. 发明授权
    • Process of gas enrichment with porous siliceous-containing material
    • 含多孔含硅质材料的气体富集过程
    • US4842620A
    • 1989-06-27
    • US127150
    • 1987-12-01
    • Joseph J. HammelWalter J. RobertsonWilliam P. MarshallHerbert W. BarchBalbhadra DaasMichael A. SmootRichard P. Beaver
    • Joseph J. HammelWalter J. RobertsonWilliam P. MarshallHerbert W. BarchBalbhadra DaasMichael A. SmootRichard P. Beaver
    • B01D53/22B01D71/04C03C11/00C03C13/00
    • B01D53/22B01D71/04C03C11/005C03C13/00
    • A hollow, porous, silica-rich fiber, a process for producing same, and a process for enriching at least one gas from a gaseous mixture utilizing at least one fiber to result in gas separations with good permeability and good selectivity. The fiber is non-crystalline and has pore sizes having a range of 1 to around 50 Angstroms in diameter and a mean pore size of around less than 20 Angstroms in diameter and a filament diameter in the range of 1 to around 250 microns and a wall thickness in the range of around 1 to 50 microns. The fibers with a fine pore structure and thin walls are produced by forming hollow glass fibers hindered or fully phase-separable boron and/or alkali metal glass composition, by attenuation from melt at speeds in the range of 500 ft/min to around 30,000 ft/min. The phase-separable glass fibers are heat treated to yield limited phase-separated hollow glass fibers and these fibers are leached to extract acid and/or water soluble components. For fully phase-separable, hollow glass fibers, a limited heat treatment is used before leaching, where the heat treatment is at a temperature of around 300 to less than 480.degree. C. for a time of around 5 minutes to 24 hours. The hindered, phase-separable, hollow glass fibers are heat treated at a temperature in the range of about 400 to about 600.degree. C. At least one hollow, porous, silica-rich fiber is used in a device suitable to contain a gaseous mixture and the permeate is withdrawn from the silica-rich fiber at the opposite side from that at which the gaseous mixture contacts the hollow, porous fiber.
    • 中空的,多孔的,富二氧化硅的纤维,其制造方法,以及利用至少一种纤维从气体混合物中富集至少一种气体的方法,以产生具有良好渗透性和良好选择性的气体分离。 纤维是非结晶的,并且具有直径为1至约50埃范围的孔径,平均孔径直径小于20埃,丝直径在1至约250微米的范围内,壁厚 厚度在1到50微米的范围内。 具有细孔结构和薄壁的纤维通过形成受阻或完全相分离的硼和/或碱金属玻璃组合物的中空玻璃纤维,通过从500英尺/分钟至约30,000英尺 /分钟 相分离玻璃纤维被热处理以产生有限的相分离中空玻璃纤维,并且将这些纤维浸出以提取酸和/或水溶性组分。 对于完全相分离的中空玻璃纤维,在浸出之前使用有限的热处理,其中热处理在约300至小于480℃的温度下约5分钟至24小时。 受阻的可相分离的中空玻璃纤维在约400至约600℃的温度范围内进行热处理。至少一种中空多孔的富含二氧化硅的纤维用于适于容纳气体混合物的装置 并且渗透物在与二氧化硅富集的纤维相反侧的气体混合物与中空的多孔纤维接触的相反侧排出。
    • 4. 发明申请
    • REPEAT BUILDER WITH REPLACEABLE OUTER SURFACE FOR PRINTING PRESS
    • 具有可更换印刷机外表面的重复建筑物
    • US20070234917A1
    • 2007-10-11
    • US11695217
    • 2007-04-02
    • Mark C. DavisMichael A. SmootPaul E. HartsellKenneth A. Odom
    • Mark C. DavisMichael A. SmootPaul E. HartsellKenneth A. Odom
    • B41F13/20
    • B41F13/10B29C63/20B41F27/105B41N7/00B41N2207/02B41N2207/04B41N2207/14
    • A dual use repeat builder assembly comprising a multiply inner sleeve with a bond layer surrounding its outer diameter for securing a compressible foam layer to the outer surface of the inner sleeve. A hard foam core is formed around the compressible foam layer using a mold cavity. After curing, the mold is removed and the ends of the hard foam core are machined creating cavity regions at each end. A notch insert is positioned at one or both of the cavity ends. A polymeric resin is poured into the cavities to form end caps. The outer surface of the hard foam and the end caps is machined to produce a smooth surface. An outer sleeve is mounted onto the hard foam core using compressed air with a resulting interference fit between the outer sleeve and the hard foam layer. Location of the end caps are such that holes can later be drilled through the wall thickness to convert the repeat builder to a bridge mandrel to enable mounting of thin sleeves to its outer surface. After extended use and wear, the outer sleeve can be removed by expanding it with air and replacing it with a new outer sleeve thus extending the useful life of the unit and/or modifying its outer diameter.
    • 一种双重用途重复生成器组件,包括具有围绕其外径的接合层的多内侧套筒,用于将可压缩泡沫层固定到内套筒的外表面。 使用模腔在可压缩泡沫层周围形成硬质泡沫芯。 固化后,去除模具,并且硬化泡沫芯的端部被加工,在每一端形成空腔区域。 凹口插入件位于空腔端部中的一个或两个处。 将聚合树脂倒入空腔中以形成端盖。 加工硬质泡沫和端盖的外表面以产生光滑的表面。 使用压缩空气将外套筒安装到硬泡沫芯上,从而在外套筒和硬泡沫层之间产生过盈配合。 端盖的位置使得稍后可以通过壁厚度钻孔以将重复制造器转换成桥心轴,以使得能够将薄套筒安装到其外表面。 在延长使用和磨损之后,可以通过用空气膨胀并且用新的外套来更换外套筒,从而延长了装置的使用寿命和/或改变其外径。