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Title:
CONTAINER PAPER SHEET, METHOD FOR MANUFACTURING SAME, CONTAINER PAPER SHEET MANUFACTURING APPARATUS, AND CONTAINER
Document Type and Number:
WIPO Patent Application WO/2020/044812
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a container paper sheet in which occurrence of wrinkles is reduced while a plurality of convex parts are definitely formed by embossing, a method for manufacturing the same, a container paper sheet manufacturing apparatus, and a container. A container paper sheet (10) according to the present invention has a surface embossed to have a plurality of convex parts (23) regularly and repeatedly formed thereon, and includes horizontal line grooves (22) extending along a right-left direction to define the plurality of convex parts (23) in an upper-lower direction and vertical line grooves (21) extending along the upper-lower direction to define the plurality of convex parts (23) in the right-left direction, the container paper sheet (10) characterized in that the top of the plurality of convex parts is positioned at a higher level than the bottom of the horizontal line grooves, and the bottom of the vertical line grooves is positioned at a lower level than the bottom of the horizontal line grooves.

Inventors:
TAKAMIYA SOUMA (JP)
Application Number:
PCT/JP2019/027509
Publication Date:
March 05, 2020
Filing Date:
July 11, 2019
Export Citation:
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Assignee:
TOKAN KOGYO CO LTD (JP)
International Classes:
B31B50/88; B31B105/00
Domestic Patent References:
WO2014155751A12014-10-02
WO2016139762A12016-09-09
Foreign References:
JP2004531397A2004-10-14
JP2008126669A2008-06-05
JP2016000623A2016-01-07
JPH06298237A1994-10-25
JPS6027529A1985-02-12
JP2009530132A2009-08-27
JP2000043954A2000-02-15
Attorney, Agent or Firm:
FUJIMOTO Nobuo et al. (JP)
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