PACKAGING BAG
PROBLEM TO BE SOLVED: To provide a packaging bag, which can be opened by tearing it easily from prescribed spots on a peripheral heat-bonded part of the bag, cannot be torn unavoidably, is free from a danger of injuring the hands and fingers, and allows even a visually handicapped person to find the...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a packaging bag, which can be opened by tearing it easily from prescribed spots on a peripheral heat-bonded part of the bag, cannot be torn unavoidably, is free from a danger of injuring the hands and fingers, and allows even a visually handicapped person to find the tearing spots easily. SOLUTION: The packaging bag has an inner layer of heat adhesive resin layer, which is sealed via the peripheral heat-bonded part, and unsealing means composed of a plurality of fine notches for unsealing the packaging bag are formed on the prescribed spots on the outer edge of the peripheral heat-bonded part. COPYRIGHT: (C)2005,JPO&NCIPI |
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