Patent ID: 6244746
Filing Date: 2001-06-12
Classification: B31B,B32B,B65D

Abstract:
A bag comprising at least one laminated film, said at least one laminated film being formed in the shape of a bag opened on one side thereof;wherein said at least one laminated film comprises:an outer film including at least one layer;a water-soluble film; andan intermediate film interposed between said outer film and said water-soluble film;said outer film and said intermediate film are adhered fast to each other;said intermediate film and said water-soluble film directly contact each other and are adhered weakly to each other so as to be peelable from each other;said outer film, said intermediate film and said water-soluble film are superposed with respect to each other so that said water-soluble film is positioned inside of said outer film;portions of the laminated film are heat-sealed so that parts of said water-soluble film that face each other at the heat-sealed portions are fused to each other;a non-heat-sealed portion enclosed by heat-sealed portions formed in an outside area that is outside of a heat-sealed portion that encloses an area of the laminated film for accommodating a commodity in a sealed condition including after said intermediate film and said water-soluble film have been peeled from each other;perforations formed in said outside area for excising a part of said outside area;one end of a boundary line between a non-heat sealed portion and a heat-sealed portion, which are mutually adjoining in said outside areas remaining after the excision of said part of said outside area is disposed at said perforations;at least a part of a peripheral edge of said non-heat-sealed portion remaining after the excision of said part in said outside area coincides with said perforations, one end of said at least a part of the peripheral edge of said non-heat-sealed portion remaining after the excision being disposed at said boundary line; andat least a part of a peripheral edge of said heat-sealed portion remaining after the excision of said part in said outside area coincides with said perforations, one end of said at least a part of the peripheral edge of said heat-sealed portion remaining after the excision being disposed at said boundary line.