Three section hinged spring-loaded closure for bottles, etc. - consists of hinge and spring assembly between the base and the stopper sections

摘要

The closure comprises a stopper incorporated in an element linking the top section to the bottom hollow section. The ends of an elastic control device are fixed to the base of the bottom section, in a specific arrangement. Pref. the two hinges of the link flank the elastic element made e.g. as a tensile spring, while the various said sections mesh with each other during the closing operation.