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Class Information
Number: 148/631
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 > Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum > Fused treating agent
Description: Process wherein the treating agent is fused.










Sub-classes under this class:

Class Number Class Name Patents
148/632 With working 6


Patents under this class:

Patent Number Title Of Patent Date Issued
6024809 Fe-Ni alloy materials for electronic parts Feb. 15, 2000
5505786 Method for treating surface oxides on a metal alloy strip Apr. 9, 1996
5377398 Method for descaling metal strip utilizing anhydrous salt Jan. 3, 1995
5340419 Method and apparatus for densifying an article Aug. 23, 1994
5326409 System for peripheral differential heat treatemnt to form dual-property workpiece Jul. 5, 1994
5248354 Method for the preparation of a body of austempered ductile cast iron Sep. 28, 1993
5118366 Method of floatingly supporting a metallic strip Jun. 2, 1992
5064478 Method and apparatus for surface austempering of cast iron parts Nov. 12, 1991
4954183 Lead heat treatment of wire with prevention of lead entrainment Sep. 4, 1990
4793869 Continuous treatment of cold-rolled carbon manganese steel Dec. 27, 1988
4793870 Continuous treatment of cold-rolled carbon high manganese steel Dec. 27, 1988
4627882 Method of making a rotary drill bit Dec. 9, 1986
4609410 Method for producing high-strength deep-drawable dual-phase steel sheets Sep. 2, 1986
4473412 Annealing steel strip using molten B.sub.2 O.sub.3, SiO.sub.2 Na.sub.2 O, NaF glass bath Sep. 25, 1984
4431464 Salt bath quenching method and apparatus Feb. 14, 1984
4160677 Method of processing alloy steel strip Jul. 10, 1979
4098624 Process for increasing the versatility of isothermal transformation Jul. 4, 1978
4055446 Salt bath quenching of construction parts treated with a nitriding bath Oct. 25, 1977
4021272 Method of isothermal annealing of band steels for tools and razor blades May. 3, 1977











 
 
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