Electric heating coil

Electric heating – Heating devices – With heating unit structure

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Details

219406, 219541, 373133, 373134, 338326, H05B 310

Patent

active

045544417

ABSTRACT:
A delivery system is provided for use in conjunction with the metalurgical furnace of the type having an elongated furnace chamber with an access door at one end for delivering a coffin containing parts into the interior of the furnace chamber. The delivery system comprises a plurality of rollers which are secured to the bottom of the furnace chamber so that axes of the rollers extend transversely with respect to the axis of the furnace chamber. In use, the rollers frictionally engage the bottom of the coffin and guide the coffin into the furnace chamber. Preferably, the coffin includes upwardly extending channels on its bottom, and which the rollers are positioned.

REFERENCES:
patent: 3004090 (1961-10-01), Donovan et al.
patent: 3395241 (1968-07-01), Roman
patent: 3984616 (1976-10-01), Beck
patent: 4126757 (1978-11-01), Smith, Jr. et al.
patent: 4132886 (1979-01-01), Blodgett et al.
patent: 4467185 (1984-08-01), Moritoki et al.
patent: 4503319 (1985-03-01), Moritoki et al.

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