Title:
PAPER CONTAINER AND METHOD FOR MANUFACTURING PAPER CONTAINER
Document Type and Number:
WIPO Patent Application WO/2020/031870
Kind Code:
A1
Abstract:
This paper container is provided with a container body that is formed by folding a blank composed of a sheet-like material, wherein the sheet-like material has: a paper substrate; an anchor layer formed on the substrate; and a sealant layer having a thickness of 20-60 μm (exclusive of 60 μm) and formed on the anchor layer. The anchor layer is formed of an acid-modified polypropylene resin aqueous dispersion, and the melting point of a polypropylene contained in the acid-modified polypropylene resin aqueous dispersion is 120°C or more. The sealant layer is formed of a homopolymer polypropylene, and the melting point of the homopolymer polypropylene is 135°C or more.
More Like This:
Inventors:
YAMAMOTO HIDEKI (JP)
WATANABE AKIRA (JP)
TANIGUCHI MASAYUKI (JP)
WATANABE AKIRA (JP)
TANIGUCHI MASAYUKI (JP)
Application Number:
PCT/JP2019/030404
Publication Date:
February 13, 2020
Filing Date:
August 02, 2019
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
B65D65/40; B31B50/64; B65D5/24; B65D81/34
Foreign References:
| JP2004017449A | 2004-01-22 | |||
| JP2010189031A | 2010-09-02 | |||
| JP2012024965A | 2012-02-09 | |||
| JP2001205717A | 2001-07-31 | |||
| US5433374A | 1995-07-18 | |||
| JP2018151561A | 2018-09-27 | |||
| JP2018245476A | 2018-12-27 | |||
| JP3687396B2 | 2005-08-24 |
Other References:
See also references of EP 3835227A4
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
Download PDF: