Patent ID: 6116445
Filing Date: 2000-09-12
Classification: B65D

Abstract:
A sealing cap for containers, the sealing cap comprisingan inner cap to be placed and fixed on an opening in said container forming a mouth, said inner cap comprising (i) a shielding plate to seal the mouth of said container, and (ii) a step formed at the lower end of an outer wall of said inner cap to form a larger-diameter annular strip, said annular strip being cut at a position and one end thereof protruding radially outward of outer wall, and said annular strip being adapted to be positioned on top of the periphery of an annular protrusion provided at an outer circumference of said container mouth;an outer cap positioned on said inner cap, said outer cap comprising (i) a main cap for sealing container mouth from above said inner cap, and (ii) a top lid for sealing a small hole opened in said main cap, a bottom end of an outer circumferential wall of said main cap resting on the upper surface of annular strip of said inner cap, a guide tube surrounding said small hole of said main cap extending downward within the outer circumferential wall of said main cap, having a lower-end sharp edge, said lower-end sharp edge being located to face the shielding plate of said inner cap, wherein when said annular strip of said inner cap is removed from said inner cap and the outer cap is pressed down, said lower-end sharp edge of said tube guide pierces the shielding plate of said inner cap while the outer circumferential wall of said outer cap slides down until its bottom end reaches a position just below said annular protrusion so as to be fixed in position below said protrusion.