Closing structure of a dispensing container

A closing structure of a dispensing container comprising a closing member, a dispensing valve and a filter, wherein:

• the closing member is mounted on the mouth of a bottle including a body and a mouth;
• the closing member has a discharging passage through which fluid is discharged out of the bottle;
• the valve is located in the passage in order to open and close the passage;
• the filter is located in the passage on the downstream side of the valve;
• the valve comprises a valve flange, a valve head and a connector sleeve;
• the valve flange seals an inner periphery of the passage;
• the valve head has an orifice that opens to allow flow of fluid therethrough if a first predetermined pressure acts on the inner surface of the valve head and closes to stop the flow of fluid if the first pressure removes from the inner surface;
• the connector sleeve is connected to an inner periphery of the valve flange at one end and to an outer periphery of the valve head at the other end;
• the connector sleeve is deformed to shift the valve head downstream if a second predetermined pressure which is less than the first pressure acts on the inner surface of the valve head;
• and
• the connector sleeve returns to its original shape if the second pressure removes from the inner surface to suck fluid remaining within the downstream end portion of the passage back to the upstream side of the filter.

A dispensing container comprising an outer bottle and an inner bag for containing fluid housed within the outer bottle, the outer bottle including a body and a mouth, the inner bag having a discharge opening communicating to the mouth of the outer bottle, a vent located in the outer bottle so as to introduce ambient air into space between the outer bottle and the inner bag, said dispensing container further comprising a closing member and a dispensing valve, wherein:

• the closing member is mounted on the mouth of the outer bottle;
• the closing member has a discharging passage through which fluid is discharged out of the container from inside of the bag;
• the valve is located in the passage in order to open and close the passage;
• the valve comprises a valve flange and a valve head;
• the valve flange seals an inner periphery of the passage;
• the valve head has an orifice that opens to allow flow of fluid therethrough if a first predetermined pressure acts on the inner surface of the valve head and closes to stop the flow of fluid if the first pressure removes from the inner surface;
• the valve head is connected to an inner periphery of the valve flange;
• and
• the closing member has a supporter that makes contact with and supports the valve head to prevent the orifice from opening when a negative pressure is generated in the bag.