Title:
PACKAGING FILM, FILM PACKAGE USING PACKAGING FILM, AND FILM PACKAGING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/176291
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a packaging film that enables easy opening of a package without causing cutting of the film in an unintended direction during the opening. A packaging film according to the present invention has: an opening start section; and an expected cutting line that is formed with the opening start section set as a starting point, wherein the expected cutting line comprises a plurality of arrayed cutting sections, each of the cutting sections includes a first cutting line and a second cutting line bent from the first cutting line toward the opening direction, and an extension line from the second cutting line intersects the first cutting line of an adjacent one of the cutting sections.
Inventors:
TADA SATOSHI (JP)
Application Number:
PCT/JP2019/001934
Publication Date:
September 19, 2019
Filing Date:
January 23, 2019
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
B65D65/28; B65D75/04; B65D75/62
Domestic Patent References:
| WO2001062616A1 | 2001-08-30 | |||
| WO2009036745A1 | 2009-03-26 |
Foreign References:
| JP2002193276A | 2002-07-10 | |||
| JPH11268716A | 1999-10-05 | |||
| JP2006008218A | 2006-01-12 | |||
| JPH09221112A | 1997-08-26 | |||
| JP2003072746A | 2003-03-12 | |||
| US20100221469A1 | 2010-09-02 |
Attorney, Agent or Firm:
WATANABE Kaoru (JP)
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