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    • 1. 发明授权
    • Manual evacuation system
    • 手动疏散系统
    • US08192182B2
    • 2012-06-05
    • US12008164
    • 2008-01-09
    • William E. LeBoeufRaechell Maria ThuotLeland J. Smith
    • William E. LeBoeufRaechell Maria ThuotLeland J. Smith
    • F04B53/12F04B53/00B65D81/20
    • F04B33/00
    • A gastight interface for an evacuation device includes a flexible suction cup adapted to form a gastight seal with a surface surrounding a valve disposed on a container and extending from an evacuation end of an evacuation chamber. The flexible suction cup has an aperture disposed therethrough for fluid communication with the evacuation chamber. A plurality of support members extends from the evacuation end of the evacuation chamber to restrict movement of the flexible suction cup between the surface and the evacuation end of the evacuation chamber, to allow fluid communication between an interior of the container and the evacuation chamber through the valve when the valve is in an open position, while the piston is being reciprocated between the closed end and the evacuation end. Each support member has a distal surface disposed outside of an outer perimeter of the flexible suction cup.
    • 用于抽空装置的气体界面包括柔性吸盘,其适于与围绕设置在容器上并从抽空室的排气端延伸的阀的表面形成气密密封。 柔性吸盘具有穿过其设置的孔,用于与排气室流体连通。 多个支撑构件从抽真空室的排空端延伸,以限制柔性吸盘在排气室的表面和排气端之间的移动,以允许容器内部和排气室之间的流体连通 当阀门处于打开位置时,活塞在封闭端和排气端之间往复运动。 每个支撑构件具有设置在柔性吸盘的外周边外侧的远侧表面。