Metal treatment – Process of modifying or maintaining internal physical... – Producing or treating layered – bonded – welded – or...
Patent
1991-12-04
1993-08-24
Wyszomierski, George
Metal treatment
Process of modifying or maintaining internal physical...
Producing or treating layered, bonded, welded, or...
148533, 148639, 148714, C21D 178
Patent
active
052385108
ABSTRACT:
Disclosed is a method for producing a metal sheet having a full-hard central portion extending between at least two softer side edge portions of the sheet. The method comprises the step of heating the side edge portions of the sheet portions of the sheet to a higher temperature than the central portion.
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Dutton Ronald J.
Forbes Robert E.
Townsend, Jr. Herbert E.
Berenato, III Joseph W.
Bethlehem Steel Corporation
Iverson John I.
Masteller, Jr. Harold I.
Wyszomierski George
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