Screw cap for a container
AssigneeKoninklijke Emballage Industrie Van Leer B.V.
InventorWilfried Leitz
Life of this patent
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Abstract
A container with a screw cap having a compartment for holding a liquid or powdery material is disclosed. The compartment comprises a wall which engages with the inner side of the screwed sleeve of the container and a bottom section which is connected to the cap in such a manner that in opening the container the bottom section releases the contents of the compartment. The bottom section may be a disc which abuts against the lower edge of the wall of the compartment and which is connected to the cap.
Claims9
A container having a screw threaded neck and a screw cap, said cap having a compartment therein for holding material, said compartment being defined by a separate annular wall in frictional contact with the inner surface of the screw-threaded neck and a bottom, means releasably connecting said bottom and the cap for pressing said bottom upwardly against the lower edge of the annular wall, said means being so constructed that said cap is rotatable with respect to the bottom and that upon unscrewing of said cap, said bottom is released.
Dependencies are inferred from the claim text.