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Method and apparatus for dry cleaning as well as method and device for recovery of solvent therein

  • US 5,123,176 A
  • Filed: 08/16/1991
  • Issued: 06/23/1992
  • Est. Priority Date: 11/30/1988
  • Status: Expired due to Fees
First Claim
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1. A method for recovering a solvent in a dry cleaning apparatus which comprises the steps of stopping the rotation of a treating drum in a deordorizing step, introducing the outside air into a treating tank through an upper opening provided in the upper portion of said treating tank or the upper portion of a recovery air duct, simultaneously exhausting a solvent gas from said treating tank through a lower opening provided in the lower portion of said treating tank or a button trap portion so slowly as not to agitate said solvent gas in said treating tank by an exhaust means connected to a solvent recovery device in the condition that said treating drum is stopped, in order to replace said solvent gas in said treating tank with said outside air, and reusing said solvent gas through said solvent recovery device once or several times.

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