FIELD: medical equipment; food industry; cosmetology; pharmacology.
SUBSTANCE: vacuum is made without contact of vacuum source with containers to be treated under vacuum. Device has big container adapted for being treated under vacuum from vacuum source. There are containers in big container. Smaller containers are closed by elastic plugs which are punched by hollow needle or by tube which has valve disposed at external end of tube. Valve allows container to be treated under vacuum and to keep vacuum if bigger container is decompressed. Containers can be closed by caps and plugs. Valves can be built in caps and plugs.
EFFECT: improved efficiency of treatment under vacuum.
3 cl, 7 dwg
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