Patent ID: 6435341
Filing Date: 2002-08-20
Classification: B65D

Abstract:
A sealing device (12) for a container (14) of substances to be kept separate until their dispensing, said sealing device comprising at least one inner cap (20) and an outer cap (40) inserted on said inner cap (20) wherein said inner cap (20) has a cavity forming a chamber (22) capable of containing a first product and said chamber (22) is sealed by a sealing element (42), said chamber (22) having a controlled opening, which allows said first product contained in said chamber (22) and a second product held in said container (14) to form a mixture; said inner cap (20) having at least one internally threaded element (30) for coupling with a corresponding threaded portion (18) of said container (14) and for engaging with said outer cap (40) by male-female elements (36, 38) which are arranged on said inner cap (20) and on said outer cap (40), said inner cap (20) being rotatable by exerting a force which acts on said outer cap (40) to open container (14); said inner cap (20) having an essentially sleeve-type profile that seals a first extremity by a yielding portion (24), wherein said yielding portion (24) controls the opening of said sealing element (42); said yielding portion (24) being essentially profiled in the form of a cup; said cup-type portion (24) being surrounded by a protruding protective rim (28).