Title:
FREEZING STORAGE CONTAINER
Document Type and Number:
Japanese Patent JP2018154357
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a freezing storage container having a structure causing no accumulation of liquid air in an inner tank.SOLUTION: A freezing storage container having a triple structure has an inner tank 11 forming a storage part 14 for freezing objects, an intermediate tank 12 arranged in a state of surrounding the inner tank and forming a liquid nitrogen storage part 15 between the inner tank and itself, and an outer tank 13 arranged in a state of surrounding the intermediate tank and forming a heat insulating layer 16 between the inner tank and itself, and is provided with entrances 11a, 12a, 13a for taking in and out the freezing objects at an upper part. In the freezing storage container, a bottomed cylindrical draining member 19 is provided which penetrates through a bottom plate central part 11b of the inner tank with an upper end opened on a bottom face of the inner tank and a lower end protruded in the heat insulating layer, and one end of an evaporation/discharge tube 21 arranged in the heat insulating layer is connected to the lower end of the draining member, and the other end of the evaporation/discharge tube is opened to the outside of the outer tank.SELECTED DRAWING: Figure 1
Inventors:
YONEUCHI KAN
Application Number:
JP2017051606A
Publication Date:
October 04, 2018
Filing Date:
March 16, 2017
Export Citation:
Assignee:
TAIYO NIPPON SANSO CORP
International Classes:
B65D81/18; A61J3/00; F25D3/10
Domestic Patent References:
| JP2001141346A | 2001-05-25 | |||
| JPS6293745U | 1987-06-15 | |||
| JPS59142365A | 1984-08-15 | |||
| JPS6155684U | 1986-04-14 | |||
| JP2006112456A | 2006-04-27 | |||
| JPH06300409A | 1994-10-28 |
Foreign References:
| US6393847B1 | 2002-05-28 |
Attorney, Agent or Firm:
Yoshihiko Kido
Kazuhiko Kido
Kazuhiko Kido