Steam iron with scale prevention
AssigneeU.S. Philips Corporation
InventorsWilhelmus Bruggink, Johannes Marra, Oene Van Der Wal, Theodorus L. G. M. Thijssen
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Abstract
A steam iron comprises a water reservoir, a steam chamber, a water-supply system for conveying water from the reservoir to the steam chamber and a metering system for injecting a phosphonate compound which acts to inhibit scale growth into the reservoir.
Claims7
A steam iron comprising a water reservoir, a steam chamber and a water-supply system for conveying water from the reservoir to the steam chamber, said iron comprising means for reducing the deposition of scale in the water-supply system, characterized in that the means used to reduce the deposition of scale is a phosphonate compound.
Dependencies are inferred from the claim text.