Contact lens sterilization device

Details Contact lens sterilization device Contact lens sterilization device

1986-10-20

1987-06-30

Goldberg, E. A.

Electric heating

Heating devices

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

422300, 219521, 219504, 219441, H05B 310

Patent

active

046772804

ABSTRACT:
A contact lens sterilization device has a case which is generally made of synthetic resin having defined therein: a bottom chamber for receiving the heating element; a middle chamber for receiving a contact lens; a top chamber for receiving an electronic circuit for controlling the heating element therein so as to achieve a better thermal separation between the top chamber and the bottom chamber. A heating element which may be a PTC semiconductor device is secured to the lower surface of the wall separating the middle chamber and the bottom chamber by way of a heat transmission plate and secured by a holding plate and columns appending from the separation wall. The two electrodes of the heating element may be electrically in contact with the heat transmission plate and the holding plate, respectively.

REFERENCES:
patent: 4044226 (1977-08-01), Kadlecik
patent: 4080167 (1978-03-01), Beers
patent: 4165359 (1979-08-01), Thomas
patent: 4256952 (1981-03-01), Thomas
patent: 4379965 (1983-04-01), Dounce
patent: 4388521 (1983-06-01), Thomas
patent: 4472623 (1984-09-01), Futter

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