초록 ▼

A sealing device comprises a container and a synthetic resin cap attached to the mouth portion thereof. The synthetic resin cap has a cap main body composed of a top plate portion and a tube portion extending downward from the periphery thereof, the tube portion being separated by means of a tearabl

A sealing device comprises a container and a synthetic resin cap attached to the mouth portion thereof. The synthetic resin cap has a cap main body composed of a top plate portion and a tube portion extending downward from the periphery thereof, the tube portion being separated by means of a tearable weakening line into an upper main portion and a lower tamper-evidence ring portion, a threaded portion being formed on the inner wall surface of the main portion, and erectable engaging projections being provided on the inner wall surface of the tamper-evidence ring portion. The container has an external thread formed on the outer circumference of the upper end of the mouth portion thereof, an annular expanded portion formed underneath the external thread, and at least one depressing portion formed on the expanded portion which engages the engaging projections on the cap and pushes down the engaging projections when the synthetic resin cap attached to the container mouth portion is twisted in the cap-opening direction.

대표청구항 ▼

[ I claim:] [1.] A sealing device comprising the combination of a container and a synthetic resin cap attached to a mouth portion thereof; whereinsaid synthetic resin cap has a cap main body comprising a top plate portion and a tube portion extending downward from a periphery thereof,said tube porti

[ I claim:] [1.] A sealing device comprising the combination of a container and a synthetic resin cap attached to a mouth portion thereof; whereinsaid synthetic resin cap has a cap main body comprising a top plate portion and a tube portion extending downward from a periphery thereof,said tube portion being separated by a tearable weakening line into an upper main portion and a lower tamper-evidence ring portion,a threaded portion being formed on an inner wall surface of said main portion, anderectable engaging projections being provided on an inner wall surface of said tamper-evidence ring portion;said container hasan external thread formed on an outer circumference of an upper end of said mouth portion thereof,an annular expanded portion formed underneath said external thread, andat least one depressing portion formed on said expanded portion which engages said engaging projections on said cap and pushes down said engaging projections when said synthetic resin cap attached to said container mouth portion is twisted in a cap-opening direction;said depressing portion has an inclined surface which gradually expands downward in a cap-opening direction and a storage guide surface: andsaid expanded portion has a horizontal step portion which continues to said inclined surface at one end and to said storage guide surface at another end.