Metal treatment – Process of modifying or maintaining internal physical... – Producing or treating layered – bonded – welded – or...
Reexamination Certificate
2005-04-19
2005-04-19
Wyszomierski, George (Department: 1742)
Metal treatment
Process of modifying or maintaining internal physical...
Producing or treating layered, bonded, welded, or...
C148S530000, C029S897200, C029S527400, C427S178000, C427S328000
Reexamination Certificate
active
06881282
ABSTRACT:
The present invention is a method for preparing and chroming a blank of steel. This method reduces time and cost to the assembly process. The method includes the following steps: heating steel slabs to a pre-determined temperature, hot rolling the steel slabs to a pre-determined width/thickness; spraying the steel strips with water to remove scaling; pickling the steel strips in acid to remove scaling; rinsing and drying the strips; cold rolling the strips with an electron beam textured tandem mill into strips having a pre-determined thickness; cold rolling the strips with an electron beam temper mill; and stamping the steel strips into a bumper.
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patent: 5438179 (1995-08-01), Boppel et al.
patent: 5459297 (1995-10-01), Boppel et al.
patent: 6325430 (2001-12-01), King
patent: 02-274866 (1990-11-01), None
Bala Mark
Dupuis Lawrence
Kiedaisch Kevin W.
Urban Dennis
Baker and Daniels
Bejin Gigette M.
Ford Motor Company
Ispat Inland Inc.
Wyszomierski George
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