Patent ID: 9532634
Date: 2017-01-03
CPC Classifications: A45D

Claim:
1. A nail polish bottle, comprising: a bottle body; a cylindrical cap fastened to the bottle body, and including a disc portion in the cap, with a center hole and a plurality of air holes formed in the disc portion; a pressure opening and closing valve mounted to the disc portion, a top of the valve above the center hole opening or closing depending on internal pressure of the bottle body, the valve also opening or closing the air holes of the disc portion depending on internal pressure of the bottle body; an inner cap member mounted to the cap, with a discharge passage disposed above the center hole; an outer cap member mounted to the cap, with at least one external-air introduction groove that is formed on the outer cap member and that is in flow contact with at least one air hole of the disc portion, wherein an enlarged groove is formed in the inner cap member and wherein the inner cap member is covered by the outer cap member, the outer cap member coming into contact with an inner circumference of an upper end of the cap.