US 12,305,910 B2
Refrigeration apparatus
Tadashi Okada, Saitama (JP)
Assigned to PHC Holdings Corporation, Tokyo (JP)
Filed by PHC Holdings Corporation, Tokyo (JP)
Filed on Jun. 15, 2022, as Appl. No. 17/841,227.
Application 17/841,227 is a continuation of application No. PCT/JP2020/044765, filed on Dec. 2, 2020.
Claims priority of application No. 2019-228074 (JP), filed on Dec. 18, 2019.
Prior Publication US 2022/0307757 A1, Sep. 29, 2022
Int. Cl. F25D 23/02 (2006.01); F25D 23/00 (2006.01); F25D 23/06 (2006.01)
CPC F25D 23/028 (2013.01) [F25D 23/006 (2013.01); F25D 23/025 (2013.01); F25D 23/061 (2013.01); F25D 23/069 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A refrigeration apparatus comprising:
a case section that includes an opening;
an inner door that is provided with a heat insulation material inside, and that opens and closes the opening;
an outer door that is provided so as to cover the inner door while the inner door is closed, and that opens and closes the opening;
a peripheral edge member that is provided so as to surround the opening, and that includes a first section facing a peripheral edge section of the inner door in a closed state and a second section facing a peripheral edge section of the outer door in a closed state, the peripheral edge member being made of a resin;
a first packing that seals between the peripheral edge section of the inner door and the first section of the peripheral edge member in the closed state;
a second packing that seals between the peripheral edge section of the outer door and the second section of the peripheral edge member in the closed state; and
a pipe that is placed along a third section of the peripheral edge member, wherein:
the third section faces the inner door,
the pipe circulates refrigerant warmed by an effect of a compressor composing a refrigerating cycle, and
the pipe is placed on an inner surface of the first section of the peripheral edge member so as to overlap a perimeter edge of the first packing in a front view.