FURNACES; KILNS; OVENS; RETORTS

Description

F27 encompasses equipment designed for high-temperature processing of materials through controlled heating in enclosed chambers, including furnaces, kilns, ovens, and retorts used across metallurgical, ceramic, chemical, and thermal processing industries. The classification covers structural designs, heating mechanisms, temperature control systems, and operational configurations for batch and continuous heating operations. It addresses both the physical construction of heating vessels and the engineering of heat distribution, insulation, and material handling within such apparatus. Related thermal processing equipment using different technological approaches or serving specialized purposes may be classified in adjacent sections of mechanical engineering or chemical engineering.

Title

Titles differ between systems:

IPC: FURNACES; KILNS, OVENS OR RETORTS

CPC: FURNACES; KILNS; OVENS; RETORTS

Full Title

Full titles differ between systems:

IPC:

FURNACES; KILNS, OVENS OR RETORTS

CPC:

FURNACES; KILNS; OVENS; RETORTS

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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F27B FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS heading IPC+CPC Available in IPC and CPC
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE heading +1 CPC IPC+CPC Available in IPC and CPC
F27M INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS heading +3 CPC CPC only CPC only