BASE BOARD, PAPER CONTAINER, AND METHOD AND APPARATUS FOR FORMING PAPER CONTAINER

PROBLEM TO BE SOLVED: To provide a paper container wherein strength of a beading part is high, inferiority in heat seal is reduced, and heat resistance is raised. SOLUTION: A base board 101 is constituted by centering a board of 200-450g/m weight, 0.65-0.82 density, and 50-200sec permeability to gas...

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Bibliographische Detailangaben
1. Verfasser:	IWAYA ISAO
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 MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSESB31B OR B31C MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD ORMATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a paper container wherein strength of a beading part is high, inferiority in heat seal is reduced, and heat resistance is raised. SOLUTION: A base board 101 is constituted by centering a board of 200-450g/m weight, 0.65-0.82 density, and 50-200sec permeability to gas, a first resin layer having impermeability to liquid and heat resistance is formed on the whole surface side of a surface being an inner face side of a board container, and a second resin layer having permeability to gas and liquid is formed on the whole surface of the face being a rear face of the board. Though a radial filament 117 is formed toward to an outer peripheral edge of a part corresponding to a corner part of the base board 101, the filament 117 does not extend up to the outer peripheral edge of the base board 101, and stops at a position of a (1-3mm) distance. The filament 117 is formed by being pushed from a side being the inner face of the container to a side being the outer face with an embossing die.