Double container and separation method thereof
AssigneeKyoraku Co., Ltd.
InventorTetsuaki Eguchi
Life of this patent
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Abstract
Provided is a double container in which an inner bag can be easily removed from an outer shell. A double container according to the present invention comprises a container body having an outer shell and an inner bag, wherein: a mouth part of the container body is configured by lamination of the outer shell and the inner bag; the inner bag comprises a flange part at an upper end thereof in the mouth part, the flange part covering the upper end of the outer shell from above; and the flange part comprises a pull-out part for pulling the inner bag out of the outer shell.
Claims13
A double container comprising a container body having an outer shell and an inner bag, wherein:
- a mouth part of the container body is configured by lamination of the outer shell and the inner bag;
- the inner bag comprises a pull-out part for pulling the inner bag out of the outer shell in the mouth part;
- and
- the double container further comprising the following configuration (1) or configuration (2):
- (1) the double container comprises a cap configured to be mounted to the mouth part and discharge content, wherein the cap comprises a holding part for holding the pull-out part in a state that the cap is mounted to the mouth part, and the inner bag is pulled out of the outer shell by lifting the cap after use, wherein an upper end of the outer shell is in contact with the inner bag along the entire circumference in a circumferential direction;
- (2) the inner bag comprises a flange part at an upper end thereof in the mouth part, the flange part extending horizontally outward in the radial direction and covering the upper end of the outer shell from above, and the pull-out part is formed by providing a gap in a vertical direction between the upper end of the outer shell and the flange part, the gap being provided at least partly in a circumferential direction, and a spacer is arranged between the flange part and the upper end of the outer shell, wherein the gap is formed by removing the spacer.
A double container comprising a container body having an outer shell and an inner bag, the double container is so configured that the inner bag does not contract when in use, wherein:
- a mouth part of the container body is configured by lamination of the outer shell and the inner bag;
- the inner bag comprises a pull-out part for pulling the inner bag out of the outer shell in the mouth part;
- and
- the double container further comprising the following configuration (1) or configuration (2):
- (1) the double container comprises a cap configured to be mounted to the mouth part and discharge content, wherein the cap comprises a holding part for holding the pull-out part in a state that the cap is mounted to the mouth part, and the inner bag is pulled out of the outer shell by lifting the cap after use;
- (2) the inner bag comprises a flange part at an upper end thereof in the mouth part, the flange part extending horizontally outward in the radial direction and covering an upper end of the outer shell from above, and the pull-out part is formed by providing a gap in a vertical direction between the upper end of the outer shell and the flange part, the gap being provided at least partly in a circumferential direction.
Dependencies are inferred from the claim text.