FIELD: mechanics; containers.
SUBSTANCE: invention proposes the method of separation at least partial, of the circular sealing foil closing the bottle neck threaded section closed by a screwed on cap. On unscrewing the said cap the sealing foil is gradually and partially separated from the neck outer edge with the help of the aforesaid screw cap.The invention proposes the versions of screw caps for embodiment of the aforesaid method.
EFFECT: ruling out necessity of manual removal of foil after unscrewing closing cap.
42 cl, 18 dwg
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