Invention Grant
US07690525B2 Screw cap 有权
螺丝帽

Screw cap
Abstract:
The screw cap of plastic for closing a filling and/or removal opening of a container for the transport and storage of liquids is equipped with a plug, in which a venting and aerating device is integrated. The screw cap has a sealing cap; and a protective cover, which completely covers the screw cap and protects the screw cap against contamination.
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