A - Human Necessities – 47 – J
Patent
A - Human Necessities
47
J
309/61
A47J 27/21 (2006.01) A47J 27/62 (2006.01)
Patent
CA 1141810
ABSTRACT An electrically-heated water boiling container (38) comprises an integral electric heater comprising a sheathed heating element (39) in good thermal contact with the underside of the bottom (40) of the container. A thermally sensitive electrical control (1, 2) including a switch- on-dry protector switch unit (2) makes direct electrical connection with cold leads (3) of the heating element (39) and includes thermally-sensitive switch means effective, in use, to interrupt the electrical supply to the heater and terminal pins adapted to be engaged by a female socket connector whereby electric connection of the heater to a mains supply can be made, said unit being mounted on a mounting plate (41) itself mounted on said container (38) in direct or indirect thermal contact with said heating element(39) whereby said plate conducts heat to said switch unit to cause said switch means to operate should the element overheat through being switched on dry or boiled dry.
348096
Fetherstonhaugh & Co.
Otter Controls Limited
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