Cover of a container, especially of a vacuum receptable for storage of foodstuffs
AssigneeFormaster S.A.
InventorSLAWOMIR BURSZTEIN
Life of this patent
Estimating the term…
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.
Claims4
The cover of the container, especially of a vacuum receptacle for storage of foodstuffs, in the form of a shell bulged upwards and featuring a vacuum valve is characteristic in that it 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 a cylindrical cavity /4/ with the opening /5/ housing the valve head /6/.
Dependencies are inferred from the claim text.