C21D9/667 - CPC Classification Index

ClassID:

119124 ⎘

C21D9/667 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length; Furnaces for treating strips or wire; Bell-type furnaces Multi-station furnaces

Sub-classes:

C21D9/67 » adapted for treating the charge in vacuum or special atmosphere 8

Recent Application in this class:

20210071955

Arrangement having plural temperature-control stations for heat treating component parts, and their handling

20140090595

Dual-purpose facility of continuous hot-dip coating and continuous annealing

20130040256

METHOD FOR PRE-HEATING ANNEALING MATERIAL IN A HOOD-TYPE ANNEALING SYSTEM

20120180721

Dual-purpose facility of continuous hot-dip coating and continuous annealing

20080258360

Continuous carburizing furnace

20050269751

Integrated metal processing facility