Furnace for tempering and hardening workpieces

Details Furnace for tempering and hardening workpieces Furnace for tempering and hardening workpieces

1976-05-24

1976-12-21

Dost, Gerald A.

Metallurgical apparatus

Means treating solid metal

Having evacuated chamber

266252, C21D 100

Patent

active

039984419

ABSTRACT:
There is provided a furnace for tempering and hardening workpieces comprising an annealing chamber and a quenching chamber constructed as a fluidized bed, the quenching chamber is arranged below the annealing chamber, the fluidized bed which is stationary during the annealing treatment serves as bottom temperature insulation for the annealing chamber, and the lateral heat insulation of the annealing chamber is extended to below the surface of the stationary fluidized bed.

REFERENCES:
patent: 3197328 (1965-07-01), Jung et al.

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