Title:
剥離容器の製造方法および製造装置
Document Type and Number:
Japanese Patent JP7353471
Kind Code:
B2
Abstract:
In a manufacturing method for a delamination container, in a first injection molding step, a first recess portion is formed by a first protrusion portion in at least part of a first layer. In a second injection molding step, a second recess portion which penetrates the first layer and through which a surface of a second layer is exposed is formed in a preform by inserting a second protrusion portion into the first recess portion. In a blow molding step, the second recess portion is stretched to form an air introduction hole in an outer layer of the delamination container.
Inventors:
Toshiki Oike
Yoichi Tsuchiya
Daizaburo Takehana
Yoichi Tsuchiya
Daizaburo Takehana
Application Number:
JP2022514081A
Publication Date:
September 29, 2023
Filing Date:
April 06, 2021
Export Citation:
Assignee:
Nissei ASB Machinery Co., Ltd.
International Classes:
B29C49/22; B29B11/08; B29C45/16; B29C49/06
Domestic Patent References:
| JP2001105478A | ||||
| JP2004262470A | ||||
| JP2001114328A |
Attorney, Agent or Firm:
Ryoichi Takaoka
Nao Oda
Toshihide Mori
Nao Oda
Toshihide Mori