Terminations for electric heating elements

Details Terminations for electric heating elements Terminations for electric heating elements

1980-05-12

1981-06-16

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With heating unit structure

219552, 219544, 338236, 338273, 339191S, 339256SP, 339258F, H05B 308

Patent

active

042739934

ABSTRACT:
The invention relates to a termination for a tubular electric heater, comprising a two-piece body of ceramic or high-temperature plastic which is quickly and easily assembled with a metal spade terminal. The two pieces of the body have interfitting parts which align the pieces longitudinally. One of the pieces has a cavity with a tapered entrance portion for receiving a complementarily-tapered portion of the spade terminal, the latter having a tubular portion crimped about the end of the resistance wire. The invention is adapted for use with a rectilinear heater tube, which may be of glass, quartz or a metal such as aluminum, and simular terminations close respective opposite ends of the tube. The resistance wire is disposed within the tube and is in the form of a helical coil which is tensioned on assembly to draw each termination in abutting relation with a respective end of the tube.

REFERENCES:
patent: 2559943 (1951-07-01), Cerny
patent: 2596837 (1952-05-01), Calvert
patent: 2600188 (1952-06-01), Batcheller
patent: 2760173 (1956-08-01), Cunningham
patent: 2995645 (1961-08-01), Kawalle
patent: 3253243 (1966-05-01), Martin
patent: 3514744 (1970-05-01), Hollander
patent: 3569787 (1971-03-01), Palmer
patent: 3717841 (1973-02-01), Mancini

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