Title:
PACKING CONTAINER
Document Type and Number:
Japanese Patent JP2016088586
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a cylindrical packing container of using paper as a main material, hardly causing soaking-in of moisture.SOLUTION: A packing container comprises an inner pipe part having an inner pipe formed in a cylindrical shape by adhering an overlapping part by mutually overlapping both side edges by rounding a first sheet material and an inner pipe bottom part for sealing the lower end of the inner pipe, an outer pipe part having an outer pipe formed in a cylindrical shape by adhering an overlapping part by mutually overlapping both side edges by rounding a second sheet material and an outer pipe bottom part for sealing the lower end of the outer pipe and storing the inner pipe part so that the inner pipe bottom part overlaps with the outer pipe bottom part, and a lid part for sealing the upper end of the inner pipe, and the lower end of the outer pipe is formed with an inner curl part having a flat shape crushed by curling the edge to the inside, and the inner curl part is sealed with the whole periphery of a peripheral edge part of the outer pipe bottom part arranged in the outer pipe, and the lid part comprises an annular mouth part, and the mouth part is sealed over the whole periphery of the upper end of the inner pipe, and stores the upper end of the outer pipe in an annular groove formed on the peripheral edge.SELECTED DRAWING: Figure 2
Inventors:
SAITO TAKASHI
HAYASHI MITSUHIKO
FUJIWARA TAKASHI
HAYASHI MITSUHIKO
FUJIWARA TAKASHI
Application Number:
JP2014226365A
Publication Date:
May 23, 2016
Filing Date:
November 06, 2014
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD
International Classes:
B65D3/12; B65D3/22
Attorney, Agent or Firm:
Patent business corporation Ogasawara patent office
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