Cover of a container, especially of a vacuum receptacle for...

Receptacles – Closures – With vacuum breaker or manually operable vent

Reexamination Certificate

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Details

C220S368000, C220S367100

Reexamination Certificate

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07621416

ABSTRACT:
The cover of the container has the hollow (2) with an elliptical outline pointed towards the inside of the container; the hollow has the spherical projection (3), pointed upwards, and the projection has the cylindrical cavity (4) with the opening housing the valve head. The valve head has the form of a circular plate and has an edge with a triangular outline; cooperating with the gasket of the valve. The head valve is installed loosely in the opening by means of the sleeve ending with the flange with distancing projections in the form of radial ribs.

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