FIELD: transport, package.
SUBSTANCE: set of invention relates to sealer and method of its fabrication. Invention covers system and method of configuring normally-closed openable sealer for container for fluids with filler neck. Proposed sealer prevents spontaneous leakage of content via opening communicated with filler neck by opening sealing cap waisting. To release container substance from container, sealer is furnished with flow control device, e.g. a valve, to open aforesaid cap and, thus, release fluid from container.
EFFECT: ease of use.
20 cl, 12 dwg
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