Heat treatment method and apparatus

Details Heat treatment method and apparatus Heat treatment method and apparatus

2005-12-06

2005-12-06

Wyszomierski, George (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

C148S565000, C148S633000, C148S656000

Reexamination Certificate

active

06972058

ABSTRACT:
A method of heat treating tool steel by using a high intensity infrared heating source, said source being tungsten halogen heat lamps which operate in air, non-air and/or vacuum environments, and a tool steel heat treat system which includes a furnace containing said tungsten halogen lamp means, a lining of a reflective metal and, preferably, support structure for the tool steel workpieces which are composed of ceramic or other high melting point material.

REFERENCES:
patent: 4221956 (1980-09-01), Fielding et al.
patent: 4224504 (1980-09-01), Erikson et al.
patent: 4540876 (1985-09-01), McGinty
patent: 4620884 (1986-11-01), Heath
patent: 4868371 (1989-09-01), Crossley et al.
patent: 6013900 (2000-01-01), Westerberg et al.
patent: 6174388 (2001-01-01), Sikka et al.
patent: 6398885 (2002-06-01), Finkl et al.

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