Electric slot furnace

Details Electric slot furnace Electric slot furnace

1978-04-19

1980-01-22

Envall, Jr., Roy N.

H05B 102

Patent

active

041851609

ABSTRACT:
An electric slot furnace for heating metal bars to a forging temperature includes four corner posts from which a hearth and a hot box are independently supported with a layer of insulation located therebetween, the hot box being connected to the posts by means of springs to permit movement of the hot box relative to the hearth during expansion and contraction of the furnace.

REFERENCES:
patent: 2422734 (1947-06-01), Jung
patent: 2600313 (1952-06-01), Mershon
patent: 3311694 (1967-03-01), Lasch, Jr.
patent: 4061870 (1977-12-01), Mizushina

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