Household steam appliance having a scale-preventing device

Details Household steam appliance having a scale-preventing device Household steam appliance having a scale-preventing device

1997-01-17

1998-04-28

Izaguirre, Ismael

Textiles: ironing or smoothing

Smoothing implements

Flatirons

38 7783, 38 84, D06F 7512, D06F 7514

Patent

active

057430349

ABSTRACT:
A method and device for preventing the formation of scale in an electric appliance for producing steam, which appliance includes a reservoir for holding a quantity of water and a steam generation member for effecting a substantially instantaneous generation of steam; and a scale preventing device. Scale formation is prevented by heating water upstream of the reservoir to a temperature and for a time sufficient to precipitate minerals present in the water into a form which allows the precipitated minerals to be expelled from the appliance with steam generated by said steam generation member.

REFERENCES:
patent: 2961525 (1960-11-01), Riker
patent: 4875249 (1989-10-01), Collier
patent: 4969393 (1990-11-01), Mahlick et al.
patent: 5063697 (1991-11-01), Valente et al.
patent: 5189726 (1993-02-01), Pan
patent: 5468395 (1995-11-01), Carron et al.

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