Abstract: A cap body of beverage container wherein a lid plate of lid body forming a connection mouth at a drinking straw member is mounted with an air hole between a hinge axle for rotatively supporting a cap and the connection mouth, and a straw unit for being connected to the connection mouth of the drinking straw member is formed thereunder with a closing unit for covering the air hole, while the cap is disposed with a bend member for bending the drinking straw member and a blocking protruder for blocking the air hole via the closing unit, whereby the drinking straw member can be bent to enable to close the cap with one touch operation and to surely block the air hole.

Abstract: A beverage container cap body adapted to make it difficult to be easily unscrewed even though carbonated beverage is contained in a beverage container but make it easy to be smoothly opened even though there is a pressure from inside the beverage container, whereby packings are easily cleaned and the cap body can be equipped upright relative to the container, wherein the cap body comprises a cylindrical body, being releasably and threadably disposed to an inner circumferential wall of opening at a container body, and an upper area thereof protruding above the opening, a lower packing and an upper packing each tightly abutting on a lower side and an upper side of the inner circumferential wall of opening, a cut-out portion 9h formed at an upper wall of an insertion groove, of the lower packing and a lid body releasably and threadably disposed at an upper side of the cylindrical body, wherein an opening is formed at part of a ceiling wall of the lid body while a seal member is disposed at an inner side of the c

Abstract: A cap body of beverage container wherein a lid plate of lid body forming a connection mouth at a drinking straw member is mounted with an air hole between a hinge axle for rotatively supporting a cap and the connection mouth, and a straw unit for being connected to the connection mouth of the drinking straw member is formed thereunder with a closing unit for covering the air hole, while the cap is disposed with a bend member for bending the drinking straw member and a blocking protruder for blocking the air hole via the closing unit, whereby the drinking straw member can be bent to enable to close the cap with one touch operation and to surely block the air hole.