Patent ID: 7870708
Filing Date: 2011-01-18
Classification: B65B

Abstract:
1. A system for storing and preserving food items comprising: a storage bag, the storage bag including a flexible sidewall providing an interior volume, a sealable opening for accessing the interior volume, and a valve element attached to the flexible sidewall and communicating with the interior volume; and a handheld evacuation device, the evacuation device including a housing adapted for gripping by a user; an air flow generating unit enclosed in the housing, and a nozzle having an inlet opening to create an evacuation pressure; wherein the evacuation device includes a pressure control feature including a rotating ring with a plurality of holes and an aperture disposed through the housing, the ring rotatable with respect to the housing to align at least one hole with the aperture to allow atmospheric air to bleed into the housing and thereby control the evacuation pressure.