Electric kettle
AssigneePifco Limited
InventorPaul A. P. Wood
Life of this patent
Estimating the term…
Abstract
An electric kettle comprises a bowl closable by a lid. An electric element is connected to the lid and is thereby suspended within the bowl. A spout is provided for pouring and through which the bowl can be filled with water. Means are also provided for the connection of the element to an electricity supply.
Claims11
An electric kettle comprising a bowl, a lid for closing the bowl, a spout through which the bowl can be filled with water, and electrical heating element which is connected to the lid and suspended within the bowl when the lid is fitted on the kettle, means whereby the element can be connected to an electricity supply, and a cut-out arrangement for the heating element comprising a switch operable by a shape memory effect actuator, which is located within the bowl adjacent the element and on attainment of a predetermined temperature, greater than the boiling temperature of water, changes its physical shape sufficiently to operate the switch and thereby prevent the element being supplied with current from the supply.
Dependencies are inferred from the claim text.