Heated dispenser door and method

Details Heated dispenser door and method Heated dispenser door and method

2005-05-10

2005-05-10

Doerrler, William C. (Department: 3744)

Refrigeration

With means preventing or handling atmospheric condensate...

By external heater

C062S351000, C219S522000

Reexamination Certificate

active

06889517

ABSTRACT:
A method of heating a dispenser door by applying direct heat to only a peripheral region of a front layer of the door at a rate sufficient to heat an edge surface of the door to a point above zero degrees Centigrade. In one embodiment this is done by placing a perimeter heater in a flange attached to the rear end of a tubular wall extending from the periphery of a central region of the front layer of the door.

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patent: 5029737 (1991-07-01), Yamamoto
patent: 5269154 (1993-12-01), Schmidt
patent: 5442933 (1995-08-01), Unger
patent: 6533003 (2003-03-01), Jacobus et al.

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