FIELD: sealing of vessels and containers. SUBSTANCE: proposed gate is designed for sealing the vessel at reuse. Gate contains cover installed in neck of vessel for limited reciprocative displacement and ring gasket. Cover is made in form of flat disk secured on guide rod on which ring gasket is fitted for engagement with support plate. Ring gasket consists of two resilient concentric rings, rubber and fluoroplastic ones. EFFECT: improved reliability. 1 dwg
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