Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces > Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces

CPC:

Hearth-type furnaces, e.g. of reverberatory type (F27B9/00, F27B11/00, F27B13/00, F27B14/00, F27B15/00, F27B21/00 take precedence); Electric arc furnaces > Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces

Of 9 combined children, 8 exist in both systems.

1 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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F27B 3/105 CPC only CPC only
F27B 3/12 Working chambers or casings; Supports therefor +1 CPC IPC+CPC Available in IPC and CPC
F27B 3/18 Arrangements of devices for charging +1 CPC IPC+CPC Available in IPC and CPC
F27B 3/19 Arrangements of devices for discharging since 1985 IPC+CPC Available in IPC and CPC
F27B 3/20 Arrangements of heating devices +1 CPC IPC+CPC Available in IPC and CPC
F27B 3/22 Arrangements of air or gas supply devices +1 CPC IPC+CPC Available in IPC and CPC
F27B 3/24 Cooling arrangements IPC+CPC Available in IPC and CPC
F27B 3/26 Arrangements of heat-exchange apparatus +1 CPC IPC+CPC Available in IPC and CPC
F27B 3/28 Arrangement of controlling, monitoring, alarm or the like devices since 1985 IPC+CPC Available in IPC and CPC