Title:
折り線を設ける方法
Document Type and Number:
Japanese Patent JP6782170
Kind Code:
B2
Abstract:
A method for providing crease lines to a packaging material having a bulk layer is provided. The method comprises the steps of arranging the material to be creased between an elastic anvil and a pressing tool having at least one protrusive ridge facing the anvil, and pressing the ridge towards the anvil such that the packaging material will be subject to an imprint, whereby the width of the imprint is continuously increasing as the ridge is pressed against the anvil.
More Like This:
Inventors:
Hans Johansson
Lars Belholtz
Jens Quist
Lars Belholtz
Jens Quist
Application Number:
JP2016573826A
Publication Date:
November 11, 2020
Filing Date:
June 17, 2015
Export Citation:
Assignee:
Tetra Laval Holdings and Finance SA
International Classes:
B29C53/06; B29C70/42; B31B50/25; B31B50/88
Domestic Patent References:
| JP5193027A | ||||
| JP2005313381A |
Attorney, Agent or Firm:
Yoshinobu Itokawa
Yasuhiko Murayama
Shinya Mitsuhiro
Tatsuhiko Abe
Yasuhiko Murayama
Shinya Mitsuhiro
Tatsuhiko Abe