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    • 18. 发明授权
    • Method of making spray-formed articles using a polymeric mandrel
    • 使用聚合物心轴制造喷雾成形制品的方法
    • US06305459B1
    • 2001-10-23
    • US09370299
    • 1999-08-09
    • Larry Van ReatherfordOludele Olusegun Popoola
    • Larry Van ReatherfordOludele Olusegun Popoola
    • B22D2300
    • C23C4/14C23C4/185Y10T29/49409
    • Method of making valve seats by thermally spraying bulk material. The method includes the steps of: (i) preparing a cylindrical polymeric mandrel having an outside dimension not greater than the desired inside dimension of the desired insert, the mandrel having no means to provide for separation of the sprayed material from the mandrel, (ii) thermal spraying separate particles of one or more types of steel or nickel alloys in the presence of a controlled oxidizing medium under conditions that allow firstly, melting of the mandrel and its infiltration into the sprayed material and secondly to form a subsequent polymer free dense metallic bulk composite material (iii) after cooling, machining and cutting into discrete seat shapes for implanting into the final product.
    • 通过散热材料制造阀座的方法。 该方法包括以下步骤:(i)制备具有不大于所需插入物的所需内部尺寸的外部尺寸的圆柱形聚合物心轴,心轴不具有提供喷射材料与心轴分离的方法,(ii )在受控氧化介质的存在下,在允许首先熔化心轴并将其渗入喷射材料的条件下,将一种或多种类型的钢或镍合金的颗粒热喷涂,并且其次形成随后的无聚合物致密金属 散装复合材料(iii)在冷却,加工和切割成离散的座椅形状之后,用于植入最终产品。
    • 20. 发明授权
    • Apparatus for interior painting of tubing during continuous formation
    • 在连续成型期间管道内部涂装的装置
    • US5718027A
    • 1998-02-17
    • US717704
    • 1996-09-23
    • Bruce E. Laumann
    • Bruce E. Laumann
    • B05B9/00B05B13/06B05D7/22B21C37/06C23C4/14B23P11/00B05C7/00
    • B05D7/222B05B13/0627B05B9/002B21C37/06C23C4/14Y10S118/10Y10T29/5185Y10T29/5199
    • An improvement is accomplished in apparatus for the continuous production of tubing from tubing stock, and like, elongated, closed structures from appropriate stocks. The apparatus includes welding means for continuously welding the tubing stock to form the tubing, with the welding occurring at a welding station. Downstream of the welding station are stations for the further processing of the tubing after welding, which generate conditions adverse to interior coatings. In apparatus as described, the improvement comprises several inventive features. A spray head provides for spraying of coating, and fits within the tubing. An elongated, flexible lance locates the spraying means downstream of the processing stations which generate adverse interior coating conditions, by introduction of the spray head into the tubing interior upstream of the welding station, and after introduction, movement of the spray head into the desired downstream position. The lance extends from the point of introduction to the properly located spraying means through the tubing. A coating supply lumen extends along the lance and supplies coating material under pressure to the spray head. Finally, a cooling jacket extends along the lance from the point of introduction to the spray head, and cools the supplied coating material to protect against high temperature damage. Because of the apparatus as described, environmentally friendly, waterbased paints and coatings may be successfully applied to the tubing interior. As most preferred, the lance, coating supply, and cooling jacket together take the form of three concentric layers of hose, with the coating material supplied through the innermost hose. The middle hose supplies cooling water, and the outer hose accomplishes water return.
    • 在用于从管材料连续生产管道的设备中实现改进,以及来自适当原料的类似的,细长的封闭结构。 该设备包括焊接装置,用于连续地焊接管材料以形成管道,焊接发生在焊接站处。 焊接站下游是焊接后进一步处理管道的站,产生不利于内部涂料的条件。 在所描述的装置中,改进包括若干发明特征。 喷头用于喷涂涂层,并配合在管内。 细长的柔性喷枪通过将喷头引入焊接站上游的管道内部,并且在引入之后,将喷头移动到期望的下游中,将喷涂装置定位在处理站的下游,产生不利的内部涂覆条件 位置。 喷枪从引入点延伸到通过管道的适当定位的喷涂装置。 涂料供应腔沿喷枪延伸,并在压力下将喷涂材料提供给喷头。 最后,冷却套管沿着喷枪从引入点延伸到喷头,并冷却供应的涂层材料,以防止高温损坏。 由于所描述的装置,环境友好型,水基涂料和涂料可以成功地应用于管道内部。 最优选的是,喷枪,涂料供应和冷却套管一起采用三个同心的软管层的形式,涂层材料通过最内层软管供应。 中间软管供应冷却水,外部软管完成回水。