CORRUGATED FIBERBOARD BOX AND PUNCHING DIE THEREOF

PROBLEM TO BE SOLVED: To prevent occurrence of any box-making defect in a corrugated fiberboard box having a curved surface in a corner part. SOLUTION: In a corrugated fiberboard box provided with a corner part 7 of a curved surface between side plates 1 and 4 adjacent to each other of a peripheral...

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Bibliographische Detailangaben
Hauptverfasser:	KOJIMA MINORU, FUJII JOJI, MORIWAKI MASATO
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 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
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To prevent occurrence of any box-making defect in a corrugated fiberboard box having a curved surface in a corner part. SOLUTION: In a corrugated fiberboard box provided with a corner part 7 of a curved surface between side plates 1 and 4 adjacent to each other of a peripheral wall, embossing for forming unevenness is executed on the corner part 7 by squeezing a stage of the corrugated fiberboard by the embossment to curve the corner part 7. The embossing is executed by holding the corrugated fiberboard by a punching die and a face plate so that linear parts 8 are across each other in a lattice form, and inclined to stages of the corrugated fiberboard, and unevenness is generated in surface and back sides of the corrugated fiberboard. The corner part 7 becomes flexible by the embossing, and the corner part 7 is not bent at a specified part during the box-making, and the corner part 7 can be smoothly bent. COPYRIGHT: (C)2010,JPO&INPIT