Patent ID: 8376165
Filing Date: 2013-02-19
Classification: B65D

Abstract:
1. A drink container comprising: a container body, a cap assembly, and a flexible straw; said cap assembly comprising an inner cap and a valve assembly to open and close a drinking passage between an inside and an outside of said container body by respectively extending and bending said flexible straw; said inner cap being mounted to an opening of said container body by waterproof sealing; said valve assembly comprising a slidable slide sheet which is positioned and mounted on an outer side of said inner cap, and a bending fulcrum unit pressed against a bending portion of said straw mounted within a mounting hole of said inner cap by waterproof sealing; when said slide sheet slides freely forward to press said bending portion of said straw, said straw being bent from said bending fulcrum unit to close said drinking passage; and when said slide sheet slides freely backward, said straw returning to an upstanding position to communicate said inside with said outside; said cap assembly further comprising: a venting switch assembly comprising a venting valve hole mounted on said inner cap, a float venting valve, two protrusions mounted respectively on a first end and a second end of the inner side of said slide sheet, and a hollow portion mounted between said two protrusions; said float venting valve is movably mounted to said venting valve hole and comprises at least one elastic protrusion on its contact surface; when said slide sheet is in an open position or a closed position, one of said two protrusions is pressed against said float venting valve to press said at least one elastic protrusion of said float venting valve to waterproof seal said venting valve hole; and when said slide sheet is in said open position, said float venting valve is positioned in said hollow portion of the inner side of said slide sheet to space said float venting valve from said slide sheet, and said at least one elastic protrusion allows a venting passage between said float venting valve and said venting valve hole.