EASILY OPENABLE BAG, CONTENT STORING BODY AND MANUFACTURING METHOD OF EASILY OPENABLE BAG
PROBLEM TO BE SOLVED: To provide a bag having an easily openable property from which an opening strip formed at an opening is not separated and which is excellent in handling property and also excellent in terms of an environment. SOLUTION: A package film constituting a bag body has a tearing seal p...
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| creator | KOYANAGI TADAYUKI |
| description | PROBLEM TO BE SOLVED: To provide a bag having an easily openable property from which an opening strip formed at an opening is not separated and which is excellent in handling property and also excellent in terms of an environment. SOLUTION: A package film constituting a bag body has a tearing seal part 2 with a pleat structure which is extended circumferentially in a cylindrical shape and folded up in a pleat and the inner faces of which are stuck to each other in a peelable state when applied with a force to separate the upper part and the lower part of the bag body and the tip of which is processed for easily breaking and a vertical seal part 3 with a seal crossing part crossing the tearing seal part at which the inner faces of the folded up pleat structure of the package film forming the tearing seal part are stuck to each other in an unpeelable state upon applying the force to separate the upper part and the lower part of the bag body, the bag is opened by tearing the bag body to the upper side and the lower side at the tearing seal part, the tearing of the bag body is stopped at the seal crossing part, and the connection of the upper part and the lower part of the bag body is maintained. COPYRIGHT: (C)2010,JPO&INPIT |
| format | Patent |
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SOLUTION: A package film constituting a bag body has a tearing seal part 2 with a pleat structure which is extended circumferentially in a cylindrical shape and folded up in a pleat and the inner faces of which are stuck to each other in a peelable state when applied with a force to separate the upper part and the lower part of the bag body and the tip of which is processed for easily breaking and a vertical seal part 3 with a seal crossing part crossing the tearing seal part at which the inner faces of the folded up pleat structure of the package film forming the tearing seal part are stuck to each other in an unpeelable state upon applying the force to separate the upper part and the lower part of the bag body, the bag is opened by tearing the bag body to the upper side and the lower side at the tearing seal part, the tearing of the bag body is stopped at the seal crossing part, and the connection of the upper part and the lower part of the bag body is maintained. 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SOLUTION: A package film constituting a bag body has a tearing seal part 2 with a pleat structure which is extended circumferentially in a cylindrical shape and folded up in a pleat and the inner faces of which are stuck to each other in a peelable state when applied with a force to separate the upper part and the lower part of the bag body and the tip of which is processed for easily breaking and a vertical seal part 3 with a seal crossing part crossing the tearing seal part at which the inner faces of the folded up pleat structure of the package film forming the tearing seal part are stuck to each other in an unpeelable state upon applying the force to separate the upper part and the lower part of the bag body, the bag is opened by tearing the bag body to the upper side and the lower side at the tearing seal part, the tearing of the bag body is stopped at the seal crossing part, and the connection of the upper part and the lower part of the bag body is maintained. 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SOLUTION: A package film constituting a bag body has a tearing seal part 2 with a pleat structure which is extended circumferentially in a cylindrical shape and folded up in a pleat and the inner faces of which are stuck to each other in a peelable state when applied with a force to separate the upper part and the lower part of the bag body and the tip of which is processed for easily breaking and a vertical seal part 3 with a seal crossing part crossing the tearing seal part at which the inner faces of the folded up pleat structure of the package film forming the tearing seal part are stuck to each other in an unpeelable state upon applying the force to separate the upper part and the lower part of the bag body, the bag is opened by tearing the bag body to the upper side and the lower side at the tearing seal part, the tearing of the bag body is stopped at the seal crossing part, and the connection of the upper part and the lower part of the bag body is maintained. 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| language | eng |
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| subjects | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER |
| title | EASILY OPENABLE BAG, CONTENT STORING BODY AND MANUFACTURING METHOD OF EASILY OPENABLE BAG |
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