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1. (WO2017154735) ULTRA LOW-TEMPERATURE FREEZER

Pub. No.:    WO/2017/154735    International Application No.:    PCT/JP2017/008321
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Fri Mar 03 00:59:59 CET 2017
IPC: F25D 23/02
Applicants: PHC HOLDINGS CORPORATION
PHCホールディングス株式会社
Inventors: ARAI, Takashi
新井 敬之
MORI, Eiichi
森 栄市
Title: ULTRA LOW-TEMPERATURE FREEZER
Abstract:
An ultra low-temperature freezer comprising: a casing that includes an exterior body having a first side surface and a second side surface laterally facing each other, an interior body provided inward of the exterior body and having a forward-opening accommodation space formed therein, a heat insulation material provided between the exterior body and the interior body, an evaporator disposed between the exterior body and the interior body so as to enclose a storage space, and a polyurethane provided between the heat insulation material and the interior body; a hinge that includes a first hinge piece and a second hinge piece, with the first hinge piece being attached to the second side surface; and an outer door that has a third side surface and a fourth side surface facing the third side surface, with the second hinge piece being attached to the fourth side surface. The outer door includes an inner surface closing off the accommodation space when closed and an outer surface provided forward of the inner surface, a heat insulation material comprising a vacuum heat insulation panel provided to the inner surface side, and a polyurethane provided between the heat insulation material and the outer surface.