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:
Assignee:
TOKAN KOGYO CO LTD (JP)
International Classes:
B31B50/88; B31B105/00
Domestic Patent References:
WO2014155751A1 | 2014-10-02 | |||
WO2016139762A1 | 2016-09-09 |
Foreign References:
JP2004531397A | 2004-10-14 | |||
JP2008126669A | 2008-06-05 | |||
JP2016000623A | 2016-01-07 | |||
JPH06298237A | 1994-10-25 | |||
JPS6027529A | 1985-02-12 | |||
JP2009530132A | 2009-08-27 | |||
JP2000043954A | 2000-02-15 |
Attorney, Agent or Firm:
FUJIMOTO Nobuo et al. (JP)
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