Title:
PACKAGING CONTAINER AND MANUFACTURING METHOD FOR THE SAME
Document Type and Number:
Japanese Patent JP2015151189
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide at low cost a cylindrically-shaped packaging container, made mainly of paper, whose shape does not change visually even though volume shrinkage occurs in a cooling process after contents are filled into the container.SOLUTION: The packaging container comprises: a first trunk part 110 that is cylindrically formed by rounding a first sheet material, overlapping both sides thereof and adhering overlapped parts thereof; a second trunk part 120 that is cylindrically formed by rounding a second sheet material having a plurality of pressing rules 120a provided in a vertical direction, overlapping both side edges thereof and adhering the overlapped parts thereof and inserted into inside of the first trunk part; and a bottom part and a lid part 140 that respectively seal two opening ends of the second trunk part. A bottom part-side opening end of the first trunk part is folded inward to form a bottom-side inner curl and a bottom part-side opening end of the second trunk part is folded outward to form a bottom part-side outer curl. The bottom part is adhered to the whole periphery of the bottom part-side outer curl in a peripheral edge part of one surface and adhered to at least part of the bottom part-side inner curl in the other peripheral edge part.
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Inventors:
FUJIWARA TAKASHI
Application Number:
JP2014029947A
Publication Date:
August 24, 2015
Filing Date:
February 19, 2014
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD
International Classes:
B65D3/28; B31B1/26; B31B1/60; B31B50/25; B31B50/62