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Apparatus for taking liquid content for use in analysis out of container

  • US 5,380,486 A
  • Filed: 04/16/1992
  • Issued: 01/10/1995
  • Est. Priority Date: 04/19/1991
  • Status: Expired due to Fees
First Claim
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1. An apparatus for taking a liquid content for use in analysis out of a container, the container including a container main body having an opening and a cap which is hermetically secured to the opening to keep an inside of the container main body at an initial pressure, the apparatus comprising:

  • liquid content taking means for taking at least part of the liquid content out of the container via the opening, the liquid content taking means comprising means for removing the cap from the opening of the container main body; and

    air supplying means for supplying air into the container main body through the cap;

    the air supplying means including an air supply nozzle having a proximal end which is insertable into the container main body through the cap, an air supply source connected to a distal end of the air supply nozzle, means for detecting a pressure inside the container main body, and means for controlling operation of the air supply source in accordance with the pressure detected inside the container main body, said air supplying means operating such that the pressure inside the container main body is increased to a pressure above the atmospheric pressure;

    said air supplying means controlling the pressure inside the container main body by supplying the air into the container main body while the liquid content taking means operates on the container.

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