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Contamination freeing work arrangement

  • US 6,517,429 B1
  • Filed: 01/16/2002
  • Issued: 02/11/2003
  • Est. Priority Date: 01/16/2002
  • Status: Expired due to Fees
First Claim
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1. A contaminant freeing work structure positionable in ambient surroundings comprising:

  • a first chamber providing a work station therein sized to support and accommodate a work object to be handled by a worker positioned in said ambient surroundings, said first chamber including a cover wall with a portion thereof being translucent and a portion there being movably attached to said cover wall to allow introduction of said work object into said work station chamber and to be subsequently closed therearound to be visible to said worker positioned in said ambient surroundings, said first chamber further including ambient air inlets to allow ambient air to pass therethrough and working port means having flexible glove means sealingly attached thereto to extend into said first chamber to permit said worker to handle said work object indirectly in sealed relation therefrom;

    a second chamber communicably connected to said first chamber downstream thereof, said second chamber having a flow-through particulate filter removably disposed therein; and

    , a third chamber connected to said second chamber, said third chamber including a blower and a clean air outlet connected to ambient surroundings for moving air through said first and second chambers maintaining said upstream chamber pressures below ambient pressure, filtering air as it passes through said particulate filter in said second chamber to said clean air outlet in said third chamber.

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