A vacuum sealing apparatus has an inlet portion and an intermediate portion. The inlet portion is adapted to couple to, or insert into, a container to be vacuum sealed. The intermediate portion connects to a vacuum source, such as an in-house vacuum system. When the vacuum source is active, air is drawn...http://www.google.es/patents/US7197860?utm_source=gb-gplus-sharePatente US7197860 - Method and apparatus for vacuum sealing
