Method and arrangement for inhomogeneous annealing of small part

Details Method and arrangement for inhomogeneous annealing of small part Method and arrangement for inhomogeneous annealing of small part

1974-12-02

1976-09-28

Camby, John J.

Heating

Processes of heating or heater operation

Controlling flame position or work atmosphere

13 34, 432202, 432245, F27D 700, F27D 1106

Patent

active

039828859

ABSTRACT:
An arrangement for providing controlled annealing of parts within a furnace comprising a series of heat radiation distributors, thermal conduction dosing devices and heat accumulators positioned within the furnace to provide a temperature gradient in the radial direction of the furnace cross section. The controlled temperature distribution within the furnace provides a controlled temperature distribution to the objects within the furnace during the annealing process. This controlled annealing process is particularly applicable to a method for controlling the coercive force distribution within a magnetically hard reed armature for matching the coercive force distribution along the armature to the magnetic flux intensity of the reed contact assembly.

REFERENCES:
patent: 395164 (1888-12-01), Meyer
patent: 1794863 (1931-03-01), Northrup
patent: 1799102 (1931-03-01), Kelley
patent: 2593015 (1952-04-01), Dreher
patent: 3704871 (1972-12-01), Paulson

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