Vacuum insulated refrigerator or freezer cabinet

Details Vacuum insulated refrigerator or freezer cabinet Vacuum insulated refrigerator or freezer cabinet

1999-02-10

2000-12-12

Tapolcai, William E.

Refrigeration

Vacuumized chamber with open vapor or gas outlet

220641, F25B 100

Patent

active

061582336

ABSTRACT:
The walls of a refrigerator or freezer cabinet comprise an inner shell (20) of plastic, an outer shell (22) of plastic and an evacuated heat insulation (28) between the shells. The cabinet is permanently provided with a vacuum pump (30), which keeps the insulation evacuated. Each one of the inner shell (20) and the outer shell (22) has at an access opening (16) of the cabinet an end part (24 and 26, respectively), both of which being directed out from the opening (16) and joined together along a surface (21), which like a band extends around the opening in parallel with its plane (16).

REFERENCES:
patent: 769271 (1904-09-01), Norquist
patent: 4405058 (1983-09-01), Phalin
patent: 5361598 (1994-11-01), Roseen

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