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Browse by Category: Main > Material Science
Class Information
Number: 148/641
Name: Metal treatment > Process of modifying or maintaining internal physical structure (i.e., microstructure) or chemical properties of metal, process of reactive coating of metal and process of chemical-heat removing (e.g., flame-cutting, etc.) or burning of metal > Heating or cooling of solid metal > Iron(fe) or iron base alloy > Localized or zone heating or cooling > Simultaneous heating and cooling treatment
Description: Process which includes a step of simultaneous heating and cooling.










Patents under this class:

Patent Number Title Of Patent Date Issued
8460484 Method of making a shaped object with regions of different ductility Jun. 11, 2013
8394214 Method for processing metal body and apparatus for processing metal body Mar. 12, 2013
8113027 Method and device for the manufacture of multiple grooved wire Feb. 14, 2012
7875135 High pressure turbine airfoil recovery device and method of heat treatment Jan. 25, 2011
7220327 Kick-down drum material and method of manufacturing the same May. 22, 2007
7096075 Apparatus, method and program for physical state controller Aug. 22, 2006
6918224 Heat treatment strategically strengthened door beam Jul. 19, 2005
6174389 Fixture and method for selectively quenching a predetermined area of a workpiece Jan. 16, 2001
5972134 Manufacture of a metallic molded structural part Oct. 26, 1999
5738739 Method for producing low carbon equivalent rolled steel shapes by controlled rolling Apr. 14, 1998
5451276 Process for producing a ski edge Sep. 19, 1995
5334269 Interrupted normalization heat treatment process Aug. 2, 1994
5191778 Process for producing thin-webbed H-beam steel Mar. 9, 1993
5188681 Process for manufacturing thin strip or sheet of Cr-Ni-base stainless steel having excellent surface quality and material quality Feb. 23, 1993
5174836 Interrupted normalization heat treatment process Dec. 29, 1992
4732624 Method for hardening camshafts Mar. 22, 1988
4531987 Method for inductively heat treating workpiece bore walls Jul. 30, 1985
4431466 Method for making armor plate Feb. 14, 1984
4401485 Method for inductively heating thin-walled elongated workpieces Aug. 30, 1983
4375997 Method of inductively heat treating a thin-walled workpiece to control distortion Mar. 8, 1983
4257831 Process for the continuous hardening of pump casings Mar. 24, 1981
4030951 Method of hardening saw teeth Jun. 21, 1977
4029526 Method of flame hardening gears Jun. 14, 1977
4016015 Rolled steel rod or bar Apr. 5, 1977











 
 
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