F-Term-List

F27B14/00-14/20

AA00
TYPES OF CRUCIBLE FURNACES

AA01

AA02

AA03

AA04

AA05

AA07

. Induction furnaces and microwave furnaces

. Resistance furnaces

. Arc furnaces and plasma furnaces

. Combustion furnaces

. Air-blowing furnaces and oxygen-blowing furnaces

. Melt-maintaining furnaces (i.e., in tanks)

BA00
OBJECTS TO BE TREATED OF CRUCIBLE FURNACES

BA01

BA02

BA03

BA05

BA06

BA08

BA10

. Ferrous steel materials such as ordinary carbon steel and cast-tempered articles

. Non-ferrous metals (e.g., copper and zinc)

. Active metals, metals that fuse at high temperatures, or super-alloy metals

. Semiconductor materials and liquid-crystal materials

. Amorphous materials and rare-earth alloys

. Inorganic materials (e.g., glass, slag, and ceramics)

. Industrial wastes and municipal wastes

CA00
CRUCIBLE-FURNACE BODIES

CA01

CA03

CA04

CA06

. Crucible furnaces with characteristic furnace bodies

. Devices attached to furnace bodies

. . Ladles and troughs

. Furnace-body-sealing devices (i.e., including methods)

CB00
CRUCIBLE-FURNACE LININGS (I.E., REFRACTORS)

CB01

CB02

CB03

CB05

CB06

CB07

CB08

. Shapes of inner surface linings for crucible furnaces

. . Linings that expand upward or downward from low surfaces

. . Different thicknesses of refractors

. Structure of refractors

. . Combinations of different materials

. . Composite-material structures using fibers

. . Use of refractors of unspecified shape

CB11

CB12

CB13

CB15

CB16

CB18

CB19

CB20

. Protective coats and protective layers of metals and refractory materials

. . Metals coated by protective coatings or layers of refractory materials

. . Refractors coated by coatings or layers of different types of materials

. Crucible furnace walls with characteristic structures

. Increases in the useable life of the refractors

. Devices for construction and repair of crucible furnaces (i.e., methods)

. . Furnace construction devices (i.e., methods)

. . Devices for the break-down or conveyance of refractors

CC00
DEVICES AND METHODS FOR TREATING VACUUM AND ATMOSPHERIC GASES FOR CRUCIBLE FURNACES

CC01

CC03

CC05

. Vacuum-heating, vacuum-dissolution, vacuum-evaporation, and heat-treatment devices

. Devices for heating, dissolution, and heat-treatment of atmospheric gases

. Gas-blowing devices

CD00
CRUCIBLE-FURNACE-HEATING DEVICES AND HEATING METHODS

CD01

CD02

CD03

CD04

CD06

CD07

CD08

CD10

. Heating by means of electric power

. . Induction heating and microwave heating

. . Resistance heating

. . Arc-heating and plasma-heating

. Heating by means of fuels

. . Combustion of supplied fuels

. . Combustion of combustible materials in the treated articles

. Heating by steam

CD11

CD12

CD13

CD14

CD16

CD17

CD18

CD20

. Crucible furnaces with characteristic heating devices

. . Characteristic induction coils

. . Characteristic electrodes and resistance-heating elements

. . Characteristic radiant-heating devices

. Partial heating of support structures and prevention of damage to support structures caused by melting or dissolution

. . Prevention of leakage of magnetic flux

. . Shielding of the induction circulation current

. Agitation and circulation of molten materials (e.g., electromagnetic force and mechanical force)

CE00
CHARGING DEVICES AND METHODS, AND DISCHARGE DEVICES AND METHODS IN CRUCIBLE FURNACES

CE01

CE03

CE04

CE05

CE06

CE08

CE09

. Supply and charging of treated raw materials

. Discharge of molten materials and discharge of solid substances

. . Discharge of molten materials by the tilting of the furnace body

. . . Discharge openings at fixed intervals

. . . Discharge of a fixed volume of molten materials

. . Discharge of molten materials without tilting the furnace body

. . Discharge by solidification of molten materials in crucible furnaces

DA00
ACCESORY EQUIPMENT AND DEVICES FOR CRUCIBLE FURNACES

DA01

DA03

DA05

DA07

DA09

. Devices for the improvement and maintenance of working environments and local environments

. Drying devices, preheating devices, and cooling devices

. Devices for manufacturing cast articles and solid articles

. Conveyance dollies

. Jigs and machine tools

EA00
CONTROL, DETECTION, EXAMINATION, MONITORING, AND WARNING MEANS FOR CRUCIBLE FURNACES

EA01

EA02

EA03

EA05

EA06

EA07

. Crucible furnace operation

. . Charging of materials, and discharge of melt or exhaust gases

. . Volume of electric power or fuel combustion

. Safety and maintenance

. . Prevention of the leakage of hot water

. . Improvement of voltage-resistant insulation and prevention of electrical discharge

F27B15/00-15/20

HA00
OBJECTS TO BE TREATED IN FLUIDIZED-BED FURNACES

HA01

HA02

HA03

HA05

HA07

HA09

. Various types of metals and minerals

. . Metals and minerals treated by fluidized atmospheric gases

. . . Metals and minerals treated in powdered form

. Gasification of solid materials (e.g., charcoal)

. Cement materials (e.g., limestone)

. Inorganic materials (e.g., glass, slag, ash, and rock)

HA11

HA12

HA13

. Waste

. . Municipal wastes

. . Industrial wastes

JA00
FURNACE BODIES OF FLUIDIZED-BED FURNACES

JA01

JA02

JA03

JA04

JA05

JA06

JA07

JA08

JA09

JA10

. Furnace-body systems

. . Multi-stage blow-pipe systems

. . Overlapping or tiered furnace systems

. . Multiple vertical arrangements of furnaces

. . Multiple horizontal arrangements of furnaces

. . Horizontal furnace systems (e.g., stationary furnaces and rotary kilns)

. Furnace bodies with characteristic structures

. . Furnace-body support devices and furnace-body sealing devices

. . Boilers with water-cooled walls

. Furnace bodies with characteristic operation and maintenance

JB00
FLUIDIZED-BED-FURNACE LININGS (I.E., FIREPROOF MATERIALS)

JB01

JB02

JB03

JB04

JB05

JB06

JB07

JB08

JB09

JB10

. Forms of inner linings

. . Characteristic furnace beds and fluidized-bed units

. . . Form of furnace-bed-edge discharge

. . . Inverted pyramid shapes with flat bottoms

. . . Wide barrel shapes with narrow bases or light-bulb shapes

. . . Donut-shaped linings

. . Linings with characteristic fluidized-bed free-board units

. . . Linings using radiant heat

. . . Eccentric linings

. . Lining shapes for generation of a rotary flow

JB11

JB12

JB13

JB15

. Structure of refractors

. . Structure of furnace-bed refractors

. . . Structures for the absorption of thermal expansion

. Increase of longevity of refractors

JC00
BLOWING OF FLUIDS AND FLUID MEDIA INTO FLUIDIZED-BED FURNACES

JC01

JC02

JC03

JC04

JC06

JC07

JC08

JC09

JC10

. Fluid-blowing devices

. . Mixing blowing nozzles (e.g., fuel and fluid gases)

. . Movable blowing nozzles

. . Devices with characteristic nozzle positions and blowing directions

. Status of fluid media or treated articles within the furnace

. . Furnaces with characteristic fluidized-beds (e.g., spouting-flow beds and moving beds)

. . Furnaces with characteristic fluidized-bed temperature, pressure, and speed

. . Fluidized-bed furnaces equipped with a particle-separation means

. . Prevention of fluid obstruction

JD00
FLUIDIZED-BED-FURNACE HEATING AND COOLING DEVICES

JD01

JD02

JD03

JD05

JD06

JD08

JD09

JD10

. Heating by an external heat supply

. . Heating by combustion devices

. . Heating by electric power

. Heating by an internal heat supply

. . Combustion of the combustible materials in the articles to be treated

. Heating by both an external and internal heat supply

. Heating of the reaction tube or inner pipe in the fluidized bed

. Cooling of fluidized beds

JE00
DEVICES FOR CHARGING AND DISCHARGING FLUIDIZED-BED FURNACES

JE01

JE02

JE04

JE06

JE08

JE09

JE10

. Supply and charging treated articles

. . Supply and charging of large masses of treated articles

. Supply and charging of fluid media

. Supply of treated articles and media with blowing fluids

. Discharge of treated articles and residual articles

. . Separate discharge of powdered granules

. . Discharge of fats and oils, and supply and discharge of cleaning liquids

KA00
ACCESSORY EQUIPMENT AND DEVICES FOR FLUIDIZED-BED FURNACES

KA01

KA03

KA05

KA06

KA07

. Pre- and post-charging and discharging devices for treated materials

. Pre- and post-charging and discharging devices for media and blowing-fluids

. Exhaust-gas treatment devices

. . Exhaust-gas cooling devices (e.g., waste-heat collection devices)

. . Gas-collection devices

LA00
CONTROL, DETECTION, OBSERVATION, AND WARNING MEANS FOR FLUIDIZED-BED FURNACES

LA01

LA02

LA03

LA04

LA06

. Operation

. . Heating by combustion inside and outside of the furnace and heating by electric power

. . Treated articles

. . Blowing fluid and fluid media

. Safety and maintenance

4K046	Crucibles and fluidized-bed furnaces
	F27B11/00 -15/20