Patent ID: 9145242
Filing Date: 2015-09-29
Classification: A47J,B65D,F16K

Abstract:
1. A container, comprising: a container body; a lid member superimposable on the container body to form a storage chamber in the container, the lid member defining therein a first opening and a second opening; a first seal valve disposed on the lid member to seal the first opening of the lid member, and being operable to unseal the first opening of the lid member; and a second non-return valve disposed in the second opening of the lid member, the second non-return valve being a duckbill check valve and having a duckbill portion formed at one end thereof, the duckbill portion having a slit to flex open to permit air to pass through and to close to prevent backflow, a flared portion formed at the other end of the second non-return valve; the duckbill portion of the second non-return valve being exposed in the second opening of the lid member, when the lid member is engaged with the container body, the flared portion of the second non-return valve is directed toward the storage chamber to permit air to actively flow out of the storage chamber of the container body upon reaching a predetermined degree of pressure, and to prevent environmental air from being drawn into the storage chamber.