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Process for introducing a filling gas into an enclosure and installation for employing same

  • US 5,676,736 A
  • Filed: 02/20/1996
  • Issued: 10/14/1997
  • Est. Priority Date: 02/17/1995
  • Status: Expired due to Fees
First Claim
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1. A process for introducing a filling gas into an enclosure initially including a holding gas comprising the steps of:

  • (i) introducing the filling gas into the enclosure;

    (ii) extracting a specific gas initially included in the filling gas or the holding gas from a mixture collected at an outlet of the enclosure;

    (iii) optionally recycling the extracted specific gas; and

    (iv) purging the enclosure with a purging gas which differs from the filling gas and the holding gas before the step of introducing the filling gas into the enclosure.

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