Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1976-11-19
1977-10-04
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
81 35, 219343, 219354, 219386, 432225, H05B 306
Patent
active
040525929
ABSTRACT:
A device for heating a thermoplastic eyeglass frame having a rim and bridge portion and a temple portion, includes a housing having a pair of spaced infrared heat radiating surfaces mounted therein. The surfaces form an open-ended channel therebetween for receiving one of the eyeglass frame portions while permitting the other of said frame portions to remain out of range of the heat radiating surfaces. The heat radiating surfaces comprise spaced external surfaces on a heating block having a heating element embedded therein. The front radiating surface is larger than the rim and bridge portion of the frames while the rear radiating surface is smaller than the rim and bridge portion, for allowing the temple portions of the frames to extend beyond the rear radiating surface without exposure to that radiation. The rear radiating surface is small enough to fit between the temples of the smallest eyeglass frames in use but have their ends formed to radiate infrared rays in a diverging conformation to reach out and meet with the radiation of the larger front radiator, to thus accommodate radiation of and heating of any size eyeglass frames from the largest to the smallest in use.
REFERENCES:
patent: 2735921 (1956-02-01), Edgerton
patent: 3003409 (1961-10-01), Mills
patent: 3244859 (1966-04-01), Whiteford
patent: 3269224 (1966-08-01), Magee
patent: 3329801 (1967-07-01), Shannon et al.
patent: 3359404 (1967-12-01), Limberger
patent: 3475590 (1969-10-01), Pins
patent: 3515853 (1970-06-01), McAdams
patent: 3564202 (1971-02-01), Oppenheim
patent: 3732066 (1973-05-01), Kipper et al.
patent: 3816705 (1974-06-01), Ebert
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