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    • 39. 发明授权
    • Multiple cap seal for containers
    • 集装箱的多盖密封
    • US5295599A
    • 1994-03-22
    • US918527
    • 1992-07-20
    • James C. Smith
    • James C. Smith
    • B65D39/04A61J1/05B01L3/14B65D39/12B65D41/18B65D55/16A61J1/00
    • B01L3/50825B65D39/12B65D41/185B65D55/16
    • A multiple cap arrangement is provided to seal the open end of a container. The multiple cap seal includes a sealing cap and locking cap which are hingedly coupled to the open end of a container such as a disposable centrifuge container. The sealing cap is lodged in the open end of the container and the locking cap coupled to the sealing cap by a mechanism that retains the caps essentially fixed relative to one another. With the caps coupled in this way, stress, resulting from pressure in the container, is transferred through the caps to the hinges. The hinges are sized to prevent axial movement of the interlocked sealing and locking cap structure away from the container. Since the hinges resist stretching even under substantial tension, the container remains reliably sealed even when the pressures in the container are very high.
    • 提供多重盖布置以密封容器的开口端。 多盖密封件包括密封盖和锁定帽,其铰接地联接到诸如一次性离心机容器的容器的开口端。 密封盖被容纳在容器的开口端中,并且锁定帽通过保持帽相对于彼此基本固定的机构联接到密封帽。 通过以这种方式联接的盖,由容器中的压力引起的应力通过盖转移到铰链。 铰链的尺寸设计成防止互锁密封件和锁定盖结构远离容器的轴向移动。 由于即使在显着的张力下铰链也能抵抗拉伸,所以即使容器中的压力非常高,容器保持可靠的密封。
    • 40. 发明授权
    • Pendulum principle demonstration apparatus
    • 钟摆原理演示装置
    • US5145378A
    • 1992-09-08
    • US620369
    • 1990-11-29
    • Dainuri P. RottJames C. Smith
    • Dainuri P. RottJames C. Smith
    • G09B23/08
    • G09B23/08
    • A base supports a vertical pivot arm, one end of which supports a pivotal rotation means for a rotation support housing with a plurality of radial connector sockets. One of several pendulum arms can be fitted into each of the radial connector sockets, the pendulum arms supporting a pendulous mass on each pendulum arm. One such pendulum arm is articulated into two portions, each portion with a plurality of additional pendulum arms attached thereto. The apparatus consequently demonstrates the physical principles of not just a simple pendulum, but those of a variety of compound pendulum configurations.
    • 基座支撑垂直枢转臂,其一端支撑用于具有多个径向连接器插座的旋转支撑壳体的枢转旋转装置。 几个摆臂中的一个可以装配到每个径向连接器插座中,摆臂支撑每个摆臂上的下摆质量。 一个这样的摆臂被铰接成两部分,每个部分具有连接到其上的多个附加的摆臂。 因此,该装置展示了不仅仅是简单摆锤的物理原理,而且还展示了各种复摆摆配置的物理原理。