JPS61132273U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention, with the lid and container body separated; FIG. 2 is a cross-sectional view of the lid fitted; FIG. 3 is a cross-sectional view of the pre-cooled state;
FIG. 4 is a cross-sectional view after precooling, FIG. 5 is a perspective view from below the bottom of the container body, and FIGS. 6 and 7 are perspective views showing the precooling state by a conventional container. 1... Container main body, 2... Lid body, 3... Upper wall part,
4... recess, 5... ventilation hole, 6... valve body.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. Consisting of a container body made of synthetic resin foam and a lid that can be fitted onto the main body, a vent hole communicating with the inside and outside of the container is provided in a required area of the upper wall of the lid, and
A cold storage container characterized in that a valve body made of an elastic body capable of closing the vent hole is attached to the outside of the area at one side edge so as to be elastically openable and closable. 2. Scope of Utility Model Registration Claim 1, wherein the required area on the outside of the top wall of the lid body is recessed, a ventilation hole is provided in the recess, and the valve body is provided in a fitted state in the recess. Insulated container as described. 3. The cold storage container according to claim 1 or 2 of the utility model registration claim, in which the ventilation holes include a large number of through holes. 4. The cold storage container according to claim 1, 2, or 3, wherein a projection is provided on at least one of the top surface of the lid and the bottom surface of the container body.