Patent ID: 6312742
Filing Date: 2001-11-06
Classification: B65B,B65D

Abstract:
An article comprising:a) a thermoplastic inner bag having an interior surface, an exterior surface, and an open top; andb) a thermoplastic outer bag having an interior surface, an exterior surface, and an open top, the outer bag surrounding but removable from the inner bag;wherein:i) the interior surface of the thermoplastic inner bag has a first heat sealable zone;ii) the interior surface of the thermoplastic outer bag has a non heat sealable zone corresponding to the location of the first heat sealable zone of the inner bag, andiii) the thermoplastic inner bag and the thermoplastic outer bag are adapted such that a heat sealing operation can be performed through the outer bag to create a seal which closes and seals the inner bag to itself in the first heat sealable zone, without sealing the outer bag to the inner bag in the non heat sealable zone.