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    Freezing apparatus particularly useful for freezing spermatozoa
    1.
    发明授权
    Freezing apparatus particularly useful for freezing spermatozoa 失效
    冷冻设备特别适用于冷冻精子

    公开(公告)号：US3893308A

    公开(公告)日：1975-07-08

    申请号：US45078374

    申请日：1974-03-13

    申请人： RICOR LTD

    发明人： BARKAY JOSEPH ,  ZUCKERMAN HENRYK ,  PUNDAK NACHMAN

    IPC分类号： F25D3/10 ,  F25D29/00 ,  C12K1/08

    CPC分类号： F25D29/001 ,  F25D3/10

    摘要： Freezing apparatus is described particularly useful for producing frozen pellets of a medium containing spermatozoa, for use in artificial insemination. The apparatus includes a freezing chamber having a heat-conductive removable freezing plate constituting the top wall of a compartment into which a cooling gas is fed from a liquified gas container. A valve in the gas feed line controls the amount of gas fed to the freezing chamber to produce a preselected temperature as preset by a controller, and an electrical heating element within the liquified gas container effects the drive of the gas from the container to the freezing chamber. The heat-conductive plate is formed with a plurality of recessed pockets in which the medium is introduced and freezes in the form of pellets.

    摘要翻译： 描述冷冻装置特别适用于生产用于人工授精的含有精子的培养基的冷冻颗粒。 该装置包括具有构成隔室的顶壁的导热性可移除冷冻板的冷冻室，冷却气体从液化气体容器供入冷冻室。 气体供给管中的阀控制供给到冷冻室的气体量，以产生由控制器预设的预选温度，并且液化气体容器内的电加热元件影响气体从容器的驱动到冷冻 房间。 导热板形成有多个凹槽，其中介质被引入并以颗粒的形式冻结。

    Vacuum device including valve and service coupling therefor
    2.
    发明授权
    Vacuum device including valve and service coupling therefor 失效
    包括阀门的真空装置及其联接

    公开(公告)号：US3621870A

    公开(公告)日：1971-11-23

    申请号：US3621870D

    申请日：1970-07-31

    申请人： RICOR LTD

    发明人： HARCHOL MICHA ,  PUNDAK NACHMAN

    IPC分类号： F16K51/02 ,  F16K15/18

    CPC分类号： F16K51/02 ,  Y10T137/6137

    摘要： A vacuum device including a valve and a detachable service coupling having a manipulatable operator for opening and closing the valve, wherein the valve includes a magnet member and the operator includes a movable body carrying a magnet engageable with the magnetic member of the valve for opening and closing the valve. The service coupling includes a housing and a bellows seal disposed therein with its upper end fixed to the housing and its lower end fixed to the movable body of the operator. The operator further includes a stem passing through the bellows seal with the upper end of the stem threaded through the top of the housing and the lower end coupled to the movable body for moving it and the magnet to open and close the valve.