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    Spray gun with improved needle shut-off valve sealing arrangement
    71.
    发明申请
    Spray gun with improved needle shut-off valve sealing arrangement 有权
    喷枪采用改进的针阀切断阀密封装置

    公开(公告)号：US20020195505A1

    公开(公告)日：2002-12-26

    申请号：US09892138

    申请日：2001-06-26

    Applicant: Spraying Systems Co.

    Inventor： James Haruch ,  Gerald P. Ferrazza

    IPC: B05B009/01

    CPC classification number: B05B1/306 ,  B05B7/066 ,  B05B7/0815 ,  B05B7/1272 ,  B05B15/5225 ,  Y10S239/04

    Abstract: A gun-like spray device having a spray nozzle assembly at the discharge end and a reciprocatably movable valve needle for controlling the liquid flow through the discharge nozzle assembly. The nozzle assembly includes an orifice member which defines a liquid discharge orifice and a rigid valve seat for centering and precisely locating the valve needle in a closed position. An annular resilient sealing member is secured within the orifice member for engaging and creating a liquid seal about the valve needle separate and apart from the rigid seat when the valve needle is in a closed position. The spray nozzle assembly may be used with spray devices having different sized valve needles and includes a first rigid valve seat downstream of the resilient sealing member for receiving a relatively small diameter valve needle and a second rigid valve seat upstream of the resilient sealing member for receiving a relatively large diameter valve needle.

    Abstract translation: 一种喷枪装置，其具有在排放端处的喷嘴组件和可往复运动的可移动阀针，用于控制通过排出喷嘴组件的液体流动。 喷嘴组件包括限定液体排放孔的孔口构件和用于将阀针定心并精确定位在关闭位置的刚性阀座。 环形弹性密封构件固定在孔口构件内，用于在阀针处于关闭位置时接合和产生围绕阀针分离并与刚性座隔开的液体密封。 喷嘴组件可以与具有不同尺寸的阀针的喷射装置一起使用，并且包括在弹性密封构件的下游的第一刚性阀座，用于接收相对小直径的阀针和在弹性密封构件的上游的第二刚性阀座，用于接收 一个比较大直径的阀针。

    Unloader valve for spray guns
    72.
    发明授权
    Unloader valve for spray guns 失效
    卸载阀用于喷枪

    公开(公告)号：US3729018A

    公开(公告)日：1973-04-24

    申请号：US3729018D

    申请日：1971-07-06

    Applicant: SPRAYING SYSTEMS CO

    Inventor： BUTTERFIELD T

    IPC: F16K17/08 ,  F16K17/20

    CPC classification number: F16K17/082 ,  Y10T137/7738 ,  Y10T137/7788 ,  Y10T137/88054

    Abstract: An unloader type valve for spray guns supplied from pumps to limit operating pressures of the pump when the spray gun is stopped. The valve utilizes an adjustable spring to select pressure forces for opening the valve and a variable flow passage from the valve to an outlet when the valve is open, the allowing matching of the valve to the precise operating pressures and flow rates in spray gun and pumping system installations.

    Abstract translation: 用于喷枪从喷枪提供的卸载式阀，以限制喷枪停止时泵的工作压力。 阀门利用可调弹簧来选择打开阀门的压力和当阀门打开时从阀门到出口的可变流动通道，允许阀门匹配喷枪和泵送中的精确操作压力和流量 系统安装。

    Spray nozzle having stabilizing tube and vane unit
    76.
    发明授权
    Spray nozzle having stabilizing tube and vane unit 失效
    具有稳定管和叶片单元的喷嘴

    公开(公告)号：US3268176A

    公开(公告)日：1966-08-23

    申请号：US38813664

    申请日：1964-08-07

    Applicant: SPRAYING SYSTEMS CO

    Inventor： O'BRIEN EDWARD J ,  WILLIAMS ROBERT P

    IPC: B05B1/04 ,  B05B1/14 ,  B05B15/00 ,  B05B15/06 ,  B21B45/08

    CPC classification number: B05B15/008 ,  B05B1/042 ,  B05B1/14 ,  B05B15/00 ,  B05B15/069 ,  B21B45/08

    Abstract: 1,082,767. Nozzles. SPRAYING SYSTEMS CO. Aug. 5, 1965 [Aug. 7, 1964], No. 33563/65. Heading B2F. A nozzle for use in de-scaling apparatus is adapted to produce an elongated discharge and includes a baffle or guide device 30 formed of a hollow tube having a tapered lower end 31T and supporting a vane unit 32 at its upper end. The tapered end 31T of the device is adapted to seat on the tapered surface (120T) of a nozzle (15), Fig. 4 (not shown) when the device, which helps to stabilize the discharge, is inserted in the nozzle. A snap ring 31R aids the mounting of the device. A plurality of the nozzles is mounted adjustably in opposed pipes (12), (14), Fig. 1 (not shown) and the upper end of each nozzle is provided with an extension into the respective pipe in the form of a strainer (24) having slotted walls (1245), Fig. 4. The nozzle (15) is provided with an elongated outlet (205) and the vane unit 32 is cruciform in cross-section and formed of plate-like arms which extend partially into the device.

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