Title:
金属製キャップ
Document Type and Number:
Japanese Patent JP6818117
Kind Code:
B2
Abstract:
To provide a metal cap that can be manufactured through simple manufacturing steps although the cap has sufficient easy opening properties and sealing properties.SOLUTION: A liner holding part 14 is formed at an upper end part of a skirt wall 6 of a cap main body 2. A liner 3 has a barrier layer 20 molded so as to contact an inner surface of the liner holding part 14 and a sealed layer 21 arranged on the barrier layer 20. An outer peripheral surface of the sealed layer 21 is positioned at an interval inward in a radial direction with respect to an inner peripheral surface of an outer peripheral protrusion 23 of the barrier layer 20.SELECTED DRAWING: Figure 1
Inventors:
Goichi Tsuchiya
Mitsuo Kumada
Yusuke Okubo
Mitsuo Kumada
Yusuke Okubo
Application Number:
JP2019212701A
Publication Date:
January 20, 2021
Filing Date:
November 25, 2019
Export Citation:
Assignee:
Nihon Closure Co., Ltd.
International Classes:
B65D53/00; B65D41/04
Domestic Patent References:
| JP2011240937A | ||||
| JP2009078842A | ||||
| JP9095354A |
Attorney, Agent or Firm:
Naozumi Ono
Sachiko Okunuki
Toshiyuki Kojima
Sachiko Okunuki
Toshiyuki Kojima