Heating unit for disinfecting soft lenses, or the like

Details Heating unit for disinfecting soft lenses, or the like Heating unit for disinfecting soft lenses, or the like

1977-09-19

1979-06-12

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

422307, 219386, 219214, 219328, 219430, 219441, 219521, F27D 1102

Patent

active

041581261

ABSTRACT:
A heating unit which may be used as a soft contact lens disinfecting unit and which embodies a case construction entirely of thermoplastic, or other low heat-conductive material. A heat conductive liquid such as molten wax, or oil, or both, is contained in the case and is used as a uniform heat transfer medium between electrical heating elements in the case and the surface of an incubator supported in the case which, likewise, is formed of low heat-conductive material. The heating unit in the embodiment to be described, is specifically constructed to produce or aid in disinfecting so-called soft contact lenses intended for wearing in contact with the eye. The unit is more generally applicable, and may be used to advantage, when a low cost heating unit is desired which will raise the temperature of an object or a material to a given temperature, maintain it at or above the given temperature for a given time period, and then allow it to cool down and return to an ambient temperature condition.

REFERENCES:
patent: 2236837 (1941-04-01), Rimmel
patent: 3130288 (1964-04-01), Monaco et al.
patent: 3294039 (1966-12-01), Ogden
patent: 3432642 (1969-03-01), Lohr et al.
patent: 3764780 (1973-10-01), Ellis
patent: 3805018 (1974-04-01), Luong et al.
patent: 3851861 (1974-12-01), Cummins et al.
patent: 3931494 (1976-01-01), Fisher et al.
patent: 3961893 (1976-06-01), Russell et al.
patent: 3998590 (1976-12-01), Glorieux
patent: 4041433 (1977-08-01), Watson

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