Title:
CUPLIKE CONTAINER
Document Type and Number:
Japanese Patent JP2021102491
Kind Code:
A
Abstract:
To provide a cuplike container capable of being produced at a cheap price with the use of production facility of paper cups, being excellent in long-life nature of the content, and being aseptic sterilizable and retort sterilizable, in which the container may control degradation due to contact with the content.SOLUTION: A cuplike container comprises two or more layers of heat welding resin layers 202, 203 of a trunk blank 20A, and a heat welding resin configuring a laminate-side heat welding resin layer laminated on a metal foil layer 201 has a lower melting point compared to the heat welding resin configuring other layers. A portion of the metal foil layer 201 of an inner edge face 204 of the trunk blank 20A and an interface portion of the metal foil layer 201 and the heat welding resin layers 202, 203 are coated with a protective coating film M1 formed by fusion and solidification of the heat welding resin which configures the laminate-side heat welding resin layer at the time of heat welding.SELECTED DRAWING: Figure 5
Inventors:
NAEMURA TADASHI
Application Number:
JP2020212244A
Publication Date:
July 15, 2021
Filing Date:
December 22, 2020
Export Citation:
Assignee:
SHOWA DENKO PACKAGING CO LTD
International Classes:
B65D3/28; B32B1/02; B32B15/08; B65D3/22; B65D65/40
Attorney, Agent or Firm:
Matsumura Naoto
Akira Watanabe
Akira Watanabe