Metadata
Author: patents-wipo
Data
English[en]
Provided is a double-layered container which includes: an outer container made of paper which includes a tapered side wall part having an upper region and a lower region positioned below the upper region; an inner container made of synthetic resin which is disposed inside the outer container and has an upper side wall part that is in contact with the upper region, and a lower side wall part that is positioned below the upper side wall part and has an upper end part, central part, and lower end part; and an air layer which has a first layer thickness between the upper end part and the lower region, a second layer thickness greater than the first layer thickness and lying between the central part and the lower region, and a third layer thickness smaller than the second layer thickness and lying between the lower end part and the lower region.
Japanese[ja]
二重容器であって、上領域と前記上領域の下に位置する下領域とを有してテーパ状に形成された側壁部を含む紙製の外容器と;前記上領域に当接する上側壁部と、前記上側壁部の下に位置し、上端部,中央部,及び下端部を有する下側壁部とを有し、前記外容器の内側に配置された合成樹脂製の内容器と;前記上端部と前記下領域との間の第1層厚と、前記中央部と前記下領域との間の層厚であって前記第1層厚よりも大きい第2層厚と、前記下端部と前記下領域との間の層厚であって前記第2層厚よりも小さい第3層厚とを有する空気層と;を含む。