Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1979-02-22
1981-12-22
Kozma, Thomas J.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
219386, 219401, 422300, 422307, A61L 204
Patent
active
043072895
ABSTRACT:
The present invention relates to a thermal disinfecting unit for the disinfecting of a pair of contact lenses disposed within a lens case along with a quantity of disinfecting solution, wherein disinfecting is achieved upon the heating of the solution to a prescribed temperature. The unit as disclosed includes an outer casing made up of upper and lower assembled sections, with an internal heating arrangement disposed therein including a substantially planar lens case support surface. Aperture means are provided in the upper casing section and disposed in relation to the support surface to define a heater well for reception of the lens case. In one embodiment, the aperture means is defined by inwardly extending flange, with a gasket carried thereon, such that as the respective casing sections are drawn together, the gasket will firmly engage the planar support surface to seal the heater well from the interior of the unit. In a second embodiment, a lateral aperture is provided whereby engagement of the lens case with the support surface is attained by a sliding action which serves to wipe the support surface clear of any granular or crystalline substance which may have formed thereon. In addition, the disclosure contemplates an internal heating mechanism designed and constructed, so that the support surface will be heated to a desired temperature and will remain at said temperature for a period of time, before there is any likelihood of operation of a thermostatic device, also carried by said heater block.
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Ryder Francis E.
Thomas Michael D.
Kozma Thomas J.
Roskoski Bernard
Ryder International Corporation
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