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    • 2. 发明专利
    • Fixed-quantity injection button of aerosol container
    • 固定装置的固定式注射按钮
    • JP2012201401A
    • 2012-10-22
    • JP2011068999
    • 2011-03-25
    • Maruichi Valve Co Ltd株式会社丸一
    • TAKAHASHI NAOKINAKAMURA YASUHIROOBE NORIMASA
    • B65D83/40B05B9/04
    • PROBLEM TO BE SOLVED: To provide a reliable fixed-quantity injection button with a simple structure, and to allow easy change in the capacity of a fixed-quantity chamber.SOLUTION: The fixed-quantity injection button of an aerosol container comprises a stem connection part 21 and an operation part 22. A conduit 21t is formed in the stem connection part 21, an inlet of the conduit 21t communicates with a valve stem S, and an outlet thereof communicates with an inner space 22n of the operation part 22. The fixed-quantity chamber is formed between the conduit 21t of the stem connection part 21 and an injection port 29 of the operation part 22. A leading end 21s of the stem connection part 21 is disposed inside the operation part 22. A sealing means is provided on a joint face of a leading end side outer wall face of the stem connection part 21 with an inner wall face of the operation part 22. The sealing means comprises a small-diameter part 24 at the leading end of the stem connection part 21, a lower large-diameter part 25 continued thereto, and a ring-like valve 23 engaged therewith and provided on the inner wall face of the operation part 22. Sealing is performed when the ring-like valve 23 is engaged with the large diameter part 25, and the sealing is released when the ring-like valve 23 conforms to the small diameter part 24.
    • 要解决的问题:提供具有简单结构的可靠的定量注射按钮,并且允许容易地改变固定数量室的容量。 解决方案:气溶胶容器的固定量注射按钮包括杆连接部分21和操作部分22.导管21t形成在杆连接部分21中,导管21t的入口与阀杆 S,其出口与操作部22的内部空间22n连通。固定量室形成在杆连接部21的导管21t与操作部22的喷射口29之间。前端21s 杆连接部21设置在操作部22内。密封装置设置在杆连接部21的前端侧外壁面的接合面上,并具有操作部22的内壁面。密封 装置包括在杆连接部分21的前端处的小直径部分24,与其连续的下大直径部分25和与其接合并设置在操作部分22的内壁面上的环形阀23 密封 当环形阀23与大直径部分25接合时执行g,并且当环形阀23符合小直径部分24时,密封被释放。(C)2013,JPO&INPIT