Cleaning and liquid contact with solids – Apparatus – With heating – cooling or heat exchange means
Patent
1982-11-09
1984-10-02
Bleutge, Robert L.
Cleaning and liquid contact with solids
Apparatus
With heating, cooling or heat exchange means
134 1, 134 21, 134 38, 134107, B08B 702
Patent
active
044741995
ABSTRACT:
The present invention relates to the cleaning or stripping of coated objects. The coating is dissolved in a receiver tank rendered inert by means of nitrogen, by a solvent and the mixture of solvent and coating product is transferred into a thickening tank swamped by a heated nitrogen flow. The nitrogen-solvent mixture is separated by cooling and condensation of the solvents extracted. The invention is applied to the stripping of objects coated with paints and varnish.
REFERENCES:
patent: 2466769 (1949-04-01), Herold et al.
patent: 3085948 (1963-04-01), Kearney
patent: 4185649 (1980-01-01), Germain
Bleutge Robert L.
L'Air Liquide Societe Anonyme pour l'Etude et, l'Exploitation de
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