AIRTIGHT PACKING CONTAINER

PROBLEM TO BE SOLVED: To reduce a curl of an unsealing tab, provide an improved the appearance, and improve unsealing characteristics. SOLUTION: In an airtight packing container with a flange which is filled with contents and in which a sheet-shaped cover material is put on the flange so as to be he...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ONISHI MASAHARU, KUSUNOKI MIKIO
Format:	Patent
Sprache:	eng
Schlagworte:	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 PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce a curl of an unsealing tab, provide an improved the appearance, and improve unsealing characteristics. SOLUTION: In an airtight packing container with a flange which is filled with contents and in which a sheet-shaped cover material is put on the flange so as to be heat-sealed, the cover material is composed of a laminate of a simultaneous biaxially stretched polyamide film manufactured by a tenter method and a polypropylene sealant film having easy-peel property, and an unsealing tab 2 is provided on a cover 1 in a width direction (TD) at the manufacturing of the polyamide film.