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    • 3. 发明申请
    • METHOD AND APPARATUS FOR FLAME SPRAYING THERMOPLASTIC POWDERS
    • 火焰喷涂热塑性粉末的方法和装置
    • US20160281203A1
    • 2016-09-29
    • US15036166
    • 2014-11-12
    • IBIX S.R.L.
    • Susanna GIOVANNINI
    • C23C4/129B05B12/10B05B7/16B05B12/00B05B7/20B05B7/14
    • C23C4/129B05B7/1431B05B7/1481B05B7/1486B05B7/1626B05B7/205B05B12/004B05B12/10B05B15/20B05D1/10B05D3/0218
    • The method for spraying thermoplastic powders provides to feed a flow of compressed air and/or nitrogen and a liquefied petroleum gas through respective separated discharge chambers (9, 12), shaped inside a mixing device (1) of a spray gun (100), the separated discharge chambers (9, 12) being in communication with a mixing chamber (15). Then a flame is ignited at the mixing chamber, through a flame ignition device (30) connected with the gun (100), said device comprising a spark ignition device (31, 310), and a conductor element (32) associated with the mixing device (1) and connected with the spark ignition device (31, 310). The thermoplastic powders are mixed with a transport inert gas, and fed through a further discharge chamber (7) communicating with the mixing chamber (15). Then the spray gun is operated to spray the thermoplastic powders through the flame onto the surface of the article to be coated, to cause the melting of the same powders.
    • 用于喷射热塑性粉末的方法提供通过形成在喷枪(100)的混合装置(1)内的各自分离的排放室(9,12)来供给压缩空气和/或氮气和液化石油气流, 分离的排出室(9,12)与混合室(15)连通。 然后,通过与枪(100)连接的火焰点火装置(30)在混合室处点燃火焰,所述装置包括火花点火装置(31,310)和与混合物相关联的导体元件(32) 装置(1)并与火花点火装置(31,310)连接。 将热塑性粉末与运输惰性气体混合,并通过与混合室(15)连通的另一排放室(7)进料。 然后操作喷枪将热塑性粉末通过火焰喷射到待涂覆的制品的表面上,以引起相同粉末的熔化。
    • 8. 发明授权
    • Two stage kinetic energy spray device
    • 两级动能喷雾装置
    • US08590804B2
    • 2013-11-26
    • US12739621
    • 2008-10-23
    • Felix MuggliMarc HeggemannRonald J. Molz
    • Felix MuggliMarc HeggemannRonald J. Molz
    • B05C5/04B05C19/00B05B7/00B05B7/16B05D1/12
    • C23C24/04B05B7/1486B05B7/1626B05D1/10C23C4/12
    • A two stage kinetic energy spray device has a first stage first nozzle having a receiving end that receives a particulate stream, an injection end located axially to the first nozzle receiving end, the injection end receiving the particulate stream from the receiving end. A second stage has a second nozzle, the second nozzle having a gas receiving portion that receives an effluent gas, a convergent portion that is downstream from the gas receiving portion and a divergent portion that is downstream from the convergent portion, the convergent portion and the divergent portion meeting at a throat. The particle stream is accelerated to a first velocity in the first nozzle located within the second nozzle divergent portion The effluent gas is accelerated to a second velocity in the second nozzle. First nozzle injection end chevrons allow mixing of particulate and supersonic effluent streams prior to exiting the spray device.
    • 两级动能喷射装置具有第一级第一喷嘴,其具有容纳微粒流的接收端,轴向位于第一喷嘴接收端的注射端,注射端从接收端接收微粒流。 第二级具有第二喷嘴,第二喷嘴具有容纳流出气体的气体接收部分,位于气体接收部分下游的收敛部分和在会聚部分下游的发散部分,收敛部分和 分歧会在喉咙。 颗粒物流被加速到位于第二喷嘴发散部分内的第一喷嘴中的第一速度。流出气体在第二喷嘴中被加速到第二速度。 第一喷嘴喷射端部人字形允许在离开喷射装置之前混合颗粒和超音速流出物流。