Electric tube furnace

Details Electric tube furnace Electric tube furnace

1979-10-22

1981-08-25

Goldberg, E. A.

Electric heating

Heating devices

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

338316, 13 25, 219427, H05B 308

Patent

active

042861420

ABSTRACT:
An improved electric tube furnace is described in which a compressible leaf-spring attachment between the heating element tube and at least one of its supporting electric terminals compensates for linear thermal expansion of the tube without restricting access to the interior of the tube. The use of such furnace in an evacuated atmosphere for high temperature thermal diffusivity measurements is shown.

REFERENCES:
patent: 474563 (1892-05-01), Moore
patent: 744387 (1903-11-01), O'Brien
patent: 1279146 (1918-09-01), Peacock
patent: 2192255 (1940-03-01), Bickley
patent: 2416599 (1947-02-01), Victoreen
patent: 2768277 (1956-10-01), Buck et al.
patent: 2896060 (1959-07-01), Serfass et al.
patent: 3345622 (1967-10-01), Matsushita

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