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    • 2. 发明申请
    • FLUID THROUGH NEEDLE FOR APPLYING MULTIPLE COMPONENT MATERIAL
    • 用于应用多种组分材料的流体流体
    • WO2010126814A1
    • 2010-11-04
    • PCT/US2010/032362
    • 2010-04-26
    • ILLINOIS TOOL WORKS INC.CHARPIE, Mark E.BURNS, Marvin D.
    • CHARPIE, Mark E.BURNS, Marvin D.
    • B05B7/06B05B7/12B05B7/24
    • B05B7/2478B05B1/32B05B7/025B05B7/061B05B7/12B05B7/2408B05B7/241B05B7/247B05B7/2472B05B7/2494B05B7/2497
    • Embodiments of a spray gun incorporating a needle (42) for applying multiple component materials are provided. In accordance with certain embodiments, the spray gun includes a fluid delivery tip assembly (18) comprising an inner passage (40), a hollow needle disposed within the inner passage of the fluid delivery tip assembly, wherein the hollow needle comprises at least two indentions (104) along an outer circumferential surface of the hollow needle near an end of the hollow needle, a first passage (38, 36, 40) configured to deliver a first spray fluid to a fluid tip exit (30) of the fluid delivery tip assembly, wherein the first passage is defined by a volume (40) between the fluid delivery tip assembly and the hollow needle, and a second passage (112) through the hollow needle, wherein the second passage is configured to deliver a second spray fluid to the fluid tip exit of the fluid delivery tip assembly.
    • 提供了包括用于施加多个组分材料的针(42)的喷枪的实施例。 根据某些实施例,喷枪包括流体输送末端组件(18),其包括内部通道(40),设置在流体输送尖端组件的内部通道内的中空针头,其中中空针头包括至少两个凹槽 (104),其沿着所述中空针的外周表面靠近所述中空针的端部;第一通道(38,36,40),其构造成将第一喷射流体输送到所述流体输送尖端的流体尖端出口(30) 组件,其中所述第一通道由所述流体输送末端组件和所述中空针之间的体积(40)以及穿过所述中空针的第二通道(112)限定,其中所述第二通道构造成将第二喷射流体输送到 流体输送尖端组件的流体尖端出口。