Metal treatment – Process of modifying or maintaining internal physical... – With casting or solidifying from melt
Patent
1993-02-26
1994-08-23
Andrews, Melvyn J.
Metal treatment
Process of modifying or maintaining internal physical...
With casting or solidifying from melt
148508, 148511, 148698, 148702, 266 80, 266 87, 266 99, 266249, 266259, 374153, C22F 104
Patent
active
053404181
ABSTRACT:
A method for producing a cast aluminum vehicle wheel uses a high intensity electric infrared heating system to heat treat the wheel. The infrared heating system is an indexing-type system which includes a plurality of individual heating stations. A first group of heating stations effects solution heat treating of the wheel, while a second group effects artificial aging. The infrared system enables the solution heat treating and aging to be completed in less than 15 minutes.
REFERENCES:
patent: 2263823 (1941-11-01), Bonsack et al.
patent: 4229236 (1980-10-01), Heath
Andrews Melvyn J.
Hayes Wheels International, Inc.
Koehler Robert R.
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