Electric heating – Heating devices – Resistive element: igniter type
Patent
1983-03-01
1984-08-21
Envall, Jr., Roy N.
Electric heating
Heating devices
Resistive element: igniter type
219521, 219276, 43129, A61L 903
Patent
active
044671776
ABSTRACT:
A heating device included a body having a seat for the positioning of at least one heating support having inserted therein at least one electrical resistive element, the resistive element being electrically connected to the pins of a plug for insertion into an electric socket. The body is provided with a first slit for the positioning of a first small plate or tablet, containing evaporable substances (such as antifly and antimosquito substances), so as to bring it in contact with at least a portion of the heating support and cause the evaporation of the substances in the tablet at a high temperature (about 140.degree. C.). A further seat is also provided spaced from the heating support, in which a support is arranged for a second tablet (for example, containing deodorizing substances), which evaporate at a not unduly high temperature (about 70.degree. C.). The body provides apertures for the passage and diffusion of the evaporated substances. Additionally, the plug pins are arranged on a support adapted to rotate through a 90 degree arc, so that the tablet can be inserted always in a horizontal position, regardless of orientation of the holes of the electric socket.
REFERENCES:
patent: 2611068 (1952-09-01), Wellens
patent: 2942090 (1960-06-01), Diehl
patent: 4251714 (1981-02-01), Zobele
patent: 4391781 (1983-07-01), VanLit
Envall Jr. Roy N.
Hale John S.
Walberg Teresa J.
Zobele Industrie Chimiche S.p.A.
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