F27D 1/00
|
Casings; Linings; Walls; Roofs |
F27D 1/02
|
Crowns; Roofs |
F27D 1/04
|
Casings; Linings; Walls; Roofs characterised by the form of the bricks or blocks used |
F27D 1/06
|
Composite bricks or blocks |
F27D 1/08
|
Bricks or blocks with internal reinforcement or metal backing |
F27D 1/10
|
Monolithic linings; Supports therefor |
F27D 1/12
|
Casings; Linings; Walls; Roofs incorporating cooling arrangements |
F27D 1/14
|
Supports for linings |
F27D 1/16
|
Making or repairing linings |
F27D 1/18
|
Door frames; Doors, lids, removable covers |
F27D 3/00
|
Charging; Discharging; Manipulation of charge |
F27D 3/02
|
Skids or tracks for heavy objects |
F27D 3/04
|
Ram or pusher apparatus |
F27D 3/06
|
Charging or discharging machines on travelling carriages |
F27D 3/08
|
Screw feeders; Screw dischargers |
F27D 3/10
|
Charging directly from hoppers or shoots |
F27D 3/12
|
Travelling or movable supports or containers for the charge |
F27D 3/14
|
Charging or discharging liquid or molten material |
F27D 3/15
|
Tapping equipment; Equipment for removing slag |
F27D 3/16
|
Introducing a fluid jet or current into the charge |
F27D 3/18
|
Charging particulate material using a fluid carrier |
F27D 5/00
|
Supports, screens, or the like for the charge within the furnace |
F27D 7/00
|
Forming, maintaining, or circulating atmospheres in heating chambers |
F27D 7/02
|
Supplying steam, vapour, gases, or liquids |
F27D 7/04
|
Circulating atmospheres by mechanical means |
F27D 7/06
|
Forming or maintaining special atmospheres or vacuum within heating chambers |
F27D 9/00
|
Cooling of furnaces or of charges therein |
F27D 11/00
|
Arrangement of elements for electric heating in or on furnaces |
F27D 11/02
|
Ohmic resistance heating |
F27D 11/04
|
Ohmic resistance heating with direct passage of current through the material being heated |
F27D 11/06
|
Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer |
F27D 11/08
|
Heating by electric discharge, e.g. arc discharge |
F27D 11/10
|
Disposition of electrodes |
F27D 11/12
|
Arrangement of elements for electric heating in or on furnaces with electromagnetic fields acting directly on the material being heated |
F27D 13/00
|
Apparatus for preheating charges; Arrangements for preheating charges |
F27D 15/00
|
Handling or treating discharged material; Supports or receiving chambers therefor |
F27D 15/02
|
Cooling |
F27D 17/00
|
Arrangement for using waste heat; Arrangement for using, or disposing of, waste gases |
F27D 19/00
|
Arrangement of controlling devices |
F27D 21/00
|
Arrangement of monitoring devices; Arrangements of safety devices |
F27D 21/02
|
Observation or illuminating devices |
F27D 21/04
|
Arrangements of indicators or alarms |
F27D 25/00
|
Devices for removing incrustations |
F27D 27/00
|
Stirring devices for molten material |
F27D 99/00
|
Subject matter not provided for in other groups of this subclass |