BOTTLE CAP SEALING STRUCTURE HAVING CONTENTS STORAGE SPACE

摘要

PURPOSE: A bottle cap sealing structure having a contents storage space is provided to efficiently control components causing a change by a chemical reaction and improve preservability and moisture blocking property by having elastic sealing portions below a tube and at its corresponding portion. CONSTITUTION: An elastic tube sealing portion(105) of a flared type is formed on an inner wall portion of the lower end of a tube(103) of a movable member(100), the lower end being stepped and forming a second tube sealing portion(106). First and second sealing portions(205,206) are formed on a sealing portion(201) at the lower end of a stationary member(200) so as to correspond to the sealing portions(105,106) of the above type.