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    • 5. 发明授权
    • Method of chromizing large size articles
    • 大尺寸物品镀铬方法
    • US4963395A
    • 1990-10-16
    • US472687
    • 1990-01-31
    • Everett C. LewisHarley A. Grant
    • Everett C. LewisHarley A. Grant
    • B65H51/01C23C10/32C23C10/38
    • C23C10/38B65H51/01C23C10/32B65H2701/31
    • A chromium coating process for coating large size articles such as boiler tubes and boiler tube assemblies, comprises the steps of: (a) mounting on a stationary foundation a retort having a removable cover; (b) covering the articles to be coated in the retort by a chromium source powder containing 3% of ammonium chloride and 42% ferrochromium, the balance consisting of alumina; (c) sealing the cover on the retort; (d) heating the retort to a uniform temperature of 2100.degree. F. for 10 hours; (e) supplying concurrent with the commencement of the heating an inert gas to the interior of the retort; (f) terminating the heating of the retort and shutting off the flow of the inert gas to the retort; (g) cooling the retort and the articles within the retort uniformly throughout to a temperature of 400.degree. F.; (h) removing the cover from the retort; (i) removing the coated articles therefrom.
    • 用于涂覆大型物品如锅炉管和锅炉管组件的铬涂覆方法包括以下步骤:(a)在固定的基础上安装具有可拆卸盖的蒸馏器; (b)用含有3%氯化铵和42%铬铁的铬源粉末覆盖待蒸煮的物品,余量由氧化铝组成; (c)将盖子密封在蒸馏器上; (d)将蒸煮器加热到2100°F的均匀温度10小时; (e)同时提供将惰性气体加热到蒸馏器内部; (f)终止蒸馏器的加热并且关闭惰性气体流到蒸馏器中; (g)将蒸馏器和蒸馏器内的物品均匀地冷却至400°F的温度; (h)从蒸馏器中取出盖子; (i)从中除​​去涂覆的制品。
    • 6. 发明授权
    • Apparatus and method for commingling continuous multifilament yarns
    • 用于混合连续复丝纱线的装置和方法
    • US5182839A
    • 1993-02-02
    • US670288
    • 1991-03-15
    • Lambert M. Stuart
    • Lambert M. Stuart
    • B65H51/01B65H51/015
    • B65H51/01B65H51/015D02G3/04B65H2701/31
    • Improving commingling two or more continuous multiple filament yarns into a single yarn by rubbing one yarn against a static charge-inducing body that is supported in an electrically isolated manner to apply static charge to the yarn to tend to cause separation of its individual multiple fliaments. Also disclosed is commingling apparatus in which individual filaments of a multiple filament yarn are spread from each other in an enclosure that contains a source of the multiple filament yarn and has a yarn exit opening through which the filaments leave the enclosure in a separated state, a vacuum source being to connected to an air removal opening so that air flows through and around the yarn at a direction transverse to the yarn to cause apreading of the filaments, the yarn from the source passing through a guide and a weighted dancer whose movements up and down (in response to changes in tension in the yarn) control a positive feed drive for the yarn source. Also disclosed is apparatus for commingling different multiple filament yarns that includes a plurality of sources of one kind of multiple filament yarn and a plurality of tension adjustment devices for each individual yarn to reduce differences in tension among the yarns as they are presented as a flattened ribbon and combined with a flattened ribbon of a different type of yarn.
    • 通过将一根纱线摩擦一根静电荷诱导体,以电隔离的方式支撑,将两根或多根连续的多根长丝纱线混合成一条纱线,以对纱线施加静电,从而导致其各自的多个薄片分离。 还公开了一种混合装置,其中多根长丝纱线的单丝在包含多根长丝纱线源的外壳中彼此分布,并具有纱线出口,丝线通过该出口开口以分离状态离开外壳, 真空源连接到除气口,使得空气在横向于纱线的方向上流过纱线周围,从而引起长丝的穿线,来自源的纱线通过引导件和加权的舞蹈者, (响应于纱线中的张力的变化)控制纱线源的正进给驱动。 还公开了用于混合不同的多根长丝纱线的装置,其包括多种一种多丝纱线源,以及用于每根单独纱线的多个张力调节装置,以减少纱线之间的张力差异,因为它们呈扁平带状 并与不同类型的纱线的扁平带结合。