F27B 9/00 Furnaces through which the charge is moved mechanically, e.g. of tunnel type (rotary-drum furnaces with means for agitating or moving the charge F27B7/14); Similar furnaces in which the charge moves by gravity
Introduced: September 1968
Title
Titles differ between systems:
IPC: Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
CPC: Furnaces through which the charge is moved mechanically, e.g. of tunnel type (rotary-drum furnaces with means for agitating or moving the charge F27B7/14); Similar furnaces in which the charge moves by gravity
Full Title
Full titles differ between systems:
Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
Furnaces through which the charge is moved mechanically, e.g. of tunnel type (rotary-drum furnaces with means for agitating or moving the charge F27B7/14); Similar furnaces in which the charge moves by gravity
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F27B 9/02 of multiple-track type; of multiple-chamber type; Combinations of furnaces +4 CPC IPC+CPC Available in IPC and CPC
- F27B 9/04 adapted for treating the charge in vacuum or special atmosphere +2 CPC IPC+CPC Available in IPC and CPC
- F27B 9/06 heated without contact between combustion gases and charge; electrically heated +3 CPC IPC+CPC Available in IPC and CPC
- F27B 9/12 with special arrangements for preheating or cooling the charge +2 CPC IPC+CPC Available in IPC and CPC
- F27B 9/14 characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment (for treating continuous lengths of work F27B9/28) +3 CPC IPC+CPC Available in IPC and CPC
- F27B 9/30 Details, accessories or equipment specially adapted for furnaces of these types +9 CPC IPC+CPC Available in IPC and CPC