Patent ID: 6267273
Filing Date: 2001-07-31
Classification: B65D

Abstract:
A vessel for pouring out and applying a constant amount of liquid comprising:a bottle unit (8) having a mouth tube (80) on top thereof;an applying stopper (1), which comprisesan attaching unit (2), which is tightly and immovably attached to the mouth tube of the bottle unit and is provided with a stopper unit (3) having a sealing outer flange (31) in an open upper end of a central portion;a switching unit (4), which is fitted tightly onto said attaching unit (2) so as to move upward and downward with a certain stroke in relative rotational movement and is provided with an inner tube (45) stood at a central portion so that said sealing outer flange (31) tightly fits into a top end opening at ascending limit for said switching unit (4);an operating unit (5) of a cylindrical shape having a top plate, which is fitted tightly and immovably onto said switching unit (4), and is provided with a pouring out mouth (55) at an upper end, said operating unit (5) defining a measuring chamber (A) of a certain volume together with said switching unit (4); anda valve unit (6), which is provided with a valve head (61) fitted into said pouring out mouth (55) in such a manner that an upper end portion thereof can protrude from said mouth and a valve seat (64) provided around a lower end of said valve head (61) and coming into close contact with a lower end opening portion of said pouring out mouth (55), said valve unit (6) giving an upward elastic force to an integrated member of said valve seat (64) and said valve head (61); anda cap unit (7), which covers said applying stopper (1) and is removably fitted onto an upper end of a barrel portion of said bottle unit (8);wherein said valve unit (6) further comprises a plurality of fixing plates (66) stood on a top surface of an attaching ring (60) which is immovably attached to the switching unit (4), and a plurality of helical elastic elements (65) interconnecting said fixing plates (66) and said valve seat (64), said fixing plates (66) having a height substantially the same as a depth of the measuring chamber (A).