PACKAGING CONTAINER AND METHOD FOR MANUFACTURING THE SAME

• Main Authors: SADA ATSUSHI, SASAKI NORIYUKI
• Format: Patent
• Language: English
• Published: 19.08.2013
• 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

PROBLEM TO BE SOLVED: To provide a packaging container not losing design, even when inner pressure changes relatively to outer pressure.SOLUTION: A packaging container used for sealing and packaging a content and using paper as a portion of a material includes a bottom part, and a cylindrical side surface part higher in rigidity than the bottom part. In the outer surface part of the bottom part, a plurality of ruled lines are disposed radially when seen from the center of the bottom part. When the inner pressure of the packaging container changes relatively to outer pressure, an atmospheric pressure difference is absorbed by expansion and contraction of the bottom part, and the change of the appearance of the side surface part is suppressed.