二重容器

Japanese Patent JP7216939

B2

To provide a double container in which a refill container can be replaced with the same operation as a daily use method, and in which the refill container can be replaced with a simple and inexpensive constitution without incorporating a complex-structured component.SOLUTION: A double container includes: an outer container 2 in which a storage space is formed inside a peripheral wall part 5; a refill container 3 which is stored in the storage space, and in which a cylinder part 12 protruding from a peripheral wall part upper end 5a and a male screw part 14 at the cylinder part are provided; an engaging part 10 which is provided at a lower position than the peripheral wall part upper end and detachably engages the refill container with the peripheral wall part; a lid body 4 which has an annular wall part 16 where a female screw part 18 is provided and is lowered so that an annular wall part lower end 16a approaches the peripheral wall part upper end with an operation of fastening the female screw part to the male screw part; and a ring-shaped member 20 which is mounted so as to be located between the annular wall part lower end and the peripheral wall part upper end when releasing the engagement of the engaging part and is held between the annular wall part and the peripheral wall part in the middle of the fastening operation, and in which the operational force of the fastening operation is used as a push-up force of the refill container.SELECTED DRAWING: Figure 5

JPS59144373	[Title of the device] Heat accumulator
WO/2010/133212	PACKAGING CONTAINER FOR SOLID MATTER

Goji Orikane
Yukiyo Nagaishi
Shingo Nogami

JP2018090267A

February 02, 2023

May 08, 2018

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Yoshida Plastic Industry Co., Ltd.

B65D77/04; B65D8/06

JP2016210433A
JP2017197283A

Tomo Suzuki

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