|  | C |
SECTION C — CHEMISTRY AND METALLURGY

|  | C |
Note(s) Definitions for Section C: Alkali metals: Li, Na, K, Rb, Cs, Fr Alkaline earth metals: Ca, Sr, Ba, Ra Lanthanides: elements with atomic numbers 57 to 71 inclusive Rare earths: Sc, Y, Lanthanides Actinides: elements with atomic numbers 89 to 103 inclusive Refractory metals: Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W Halogens: F, Cl, Br, I, At Noble gases: He, Ne, Ar, Kr, Xe, Rn Platinum group: Os, Ir, Pt, Ru, Rh, Pd Noble metals: Ag, Au, Platinum group Light metals: alkali metals, alkaline earth metals, Be, Al, Mg Heavy metals: metals other than light metals Iron group: Fe, Co, Ni Non-metals: H, B, C, Si, N, P, O, S, Se, Te, noble gases, halogens Metals: elements other than non-metals Transition elements: elements with atomic numbers 21 to 30 inclusive, 39 to 48 inclusive, 57 to 80 inclusive, 89 upwards

CHEMISTRY

|  | C03 |
GLASS; MINERAL AND SLAG WOOL

|  | C03B |
MANUFACTURE, SHAPING, AND SUPPLEMENTARY PROCESSES

|  | C03B 1/00 - C03B 7/00 |
Melting the raw material

|  | C03B 1/00 |
Preparing the batches (chemical compositions Fulltext... Hierarchy... Expanded...C03C)

|  | C03B 3/00 |
Charging the melting furnaces

|  | C03B 5/00 |
Melting in furnaces; Furnaces so far as specially adapted for glass manufacture

|  | C03B 5/02 - C03B 5/14 |
Note(s) Group Fulltext... Hierarchy... Expanded...C03B 5/02 takes precedence over groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C03B 5/04-C03B 5/14.

|  | C03B 5/02 |
· | in electric furnaces

|  | C03B 5/027 |
· · | by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating [3]

|  | C03B 5/033 |
· · | by using resistance heaters above or in the glass bath, i. e. by indirect resistance heating [3]

|  | C03B 5/04 |
· | in tank furnaces

|  | C03B 5/06 |
· | in pot furnaces

|  | C03B 5/08 |
· · | Glass-melting pots

|  | C03B 5/10 |
· | in combined tank furnaces and pots

|  | C03B 5/12 |
· | in shaft furnaces

|  | C03B 5/14 |
· | in revolving cylindrical furnaces

|  | C03B 5/16 |
· | Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces

|  | C03B 5/18 |
· · | Stirring devices; Homogenisation

|  | C03B 5/187 |
· · · | with moving elements [3]

|  | C03B 5/193 |
· · · | using gas, e.g. bubblers [3]

|  | C03B 5/20 |
· · | Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch

|  | C03B 5/22 |
( transferred to Fulltext... Hierarchy... Expanded...C03B 5/225, Fulltext... Hierarchy... Expanded...C03B 5/23 )

|  | C03B 5/225 |
· · | Refining (Fulltext... Hierarchy... Expanded...C03B 5/18 takes precedence) [3]

|  | C03B 5/23 |
· · | Cooling the molten glass (Fulltext... Hierarchy... Expanded...C03B 5/18, Fulltext... Hierarchy... Expanded...C03B 5/225 take precedence) [3]

|  | C03B 5/235 |
· · | Heating the glass (Fulltext... Hierarchy... Expanded...C03B 5/02, Fulltext... Hierarchy... Expanded...C03B 5/18, Fulltext... Hierarchy... Expanded...C03B 5/225 take precedence) [3]

|  | C03B 5/24 |
· · | Automatically regulating the melting process

|  | C03B 5/26 |
· · | Outlets; Overflows

|  | C03B 5/28 |
· · | Siphons

|  | C03B 5/30 - C03B 5/40 |
( transferred to Fulltext... Hierarchy... Expanded...C03B 7/00 )

|  | C03B 5/42 |
· · | Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls [3]

|  | C03B 5/44 |
· · · | Cooling arrangements for furnace walls [3]

|  | C03B 7/00 |
Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob

|  | C03B 7/02 |
· | Forehearths, i.e. feeder channels [3]

|  | C03B 7/04 |
· · | Revolving forehearths [3]

|  | C03B 7/06 |
· · | Means for thermal conditioning or controlling the temperature of the glass [3]

|  | C03B 7/08 |
· | Feeder spouts, e.g. gob feeders [3]

|  | C03B 7/10 |
· | Cutting-off the glass flow with the aid of knives or scissors; Construction of the blades used [3]

|  | C03B 7/12 |
· · | Cutting-off a free-hanging glass stream [3]

|  | C03B 7/14 |
· | Transferring molten glass or gobs to glass blowing or pressing machines (Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C03B 7/18-C03B 7/22 take precedence) [3]

|  | C03B 7/16 |
· · | using deflector chutes [3]

|  | C03B 7/18 |
· | Suction feeders [3]

|  | C03B 7/20 |
· | Scoop feeders [3]

|  | C03B 7/22 |
· | Gathering-devices in the form of rods or pipes [3]

|  | C03B 9/00 - C03B 21/00 |
Shaping of glass (manufacture of fibres Fulltext... Hierarchy... Expanded...C03B 37/00)

|  | C03B 9/00 |
Blowing glass; Production of hollow glass articles

|  | C03B 9/02 |
· | with the mouth; Auxiliary means therefor

|  | C03B 9/03 |
· · | Blow pipes [3]

|  | C03B 9/04 |
· · | Making hollow glass articles with feet or projections

|  | C03B 9/06 |
· · | Making hollow glass articles with double walls, e.g. vacuum flasks

|  | C03B 9/08 |
· | Finish-blowing with compressed air of blanks blown with the mouth

|  | C03B 9/10 |
· | Blowing glass cylinders for sheet manufacture

|  | C03B 9/12 |
· | starting from a ribbon of glass; Ribbon machines

|  | C03B 9/13 |
· | in gob feeder machines (Fulltext... Hierarchy... Expanded...C03B 9/28, Fulltext... Hierarchy... Expanded...C03B 9/29 take precedence) [3]

|  | C03B 9/14 |
· · | in "blow" machines or in "blow-and-blow" machines (Fulltext... Hierarchy... Expanded...C03B 9/193, Fulltext... Hierarchy... Expanded...C03B 9/20 take precedence)

|  | C03B 9/16 |
· · · | in machines with turn-over moulds

|  | C03B 9/18 |
· · · · | Rotary-table machines

|  | C03B 9/19 |
· · · · · | having only one rotary table [3]

|  | C03B 9/193 |
· · | in "press-and-blow" machines [3]

|  | C03B 9/195 |
· · · | Rotary-table machines [3]

|  | C03B 9/197 |
· · · | Construction of the blank mould [3]

|  | C03B 9/20 |
· | in "vacuum blowing" or in "vacuum-and-blow" machines

|  | C03B 9/22 |
· · | Rotary table machines

|  | C03B 9/24 |
· · | Construction of the blank mould

|  | C03B 9/26 |
( transferred to Fulltext... Hierarchy... Expanded...C03B 9/193 )

|  | C03B 9/28 |
· | in machines of the endless-chain type (Fulltext... Hierarchy... Expanded...C03B 9/12 takes precedence)

|  | C03B 9/29 |
· | Paste mould machines (Fulltext... Hierarchy... Expanded...C03B 9/28 takes precedence) [3]

|  | C03B 9/30 |
· | Details of blowing glass (for blowing with the mouth Fulltext... Hierarchy... Expanded...C03B 9/02); Use of materials for the moulds

|  | C03B 9/32 |
· · | Giving special shapes to parts of hollow glass articles

|  | C03B 9/325 |
· · · | Forming screw threads or lips at the mouth of hollow glass articles; Neck moulds [3]

|  | C03B 9/33 |
· · · | Making hollow glass articles with feet or projections; Moulds therefor [3]

|  | C03B 9/335 |
· · · | Forming bottoms to blown hollow glass articles; Bottom moulds [3]

|  | C03B 9/34 |
· · | Glass-blowing moulds not otherwise provided for

|  | C03B 9/347 |
· · · | Construction of the blank or blow mould [3]

|  | C03B 9/353 |
· · · | Mould holders [3]

|  | C03B 9/36 |
· · | Blow heads; Supplying, ejecting, or controlling the air

|  | C03B 9/38 |
· · | Means for cooling, heating, or insulating glass-blowing machines

|  | C03B 9/40 |
· · | Gearing or controlling mechanisms specially adapted for glass-blowing machines

|  | C03B 9/42 |
· · | Means for fusing, burning-off, or edge-melting combined with glass-blowing machines (uniting glass pieces by fusing Fulltext... Hierarchy... Expanded...C03B 23/20)

|  | C03B 9/44 |
· · | Means for discharging combined with glass-blowing machines, e.g. take-outs

|  | C03B 9/46 |
· · | Means for cutting the hot glass in glass-blowing machines (burning-off Fulltext... Hierarchy... Expanded...C03B 9/42)

|  | C03B 9/48 |
· · | Use of materials for the moulds [3]

|  | C03B 11/00 |
Pressing glass

|  | C03B 11/02 |
· | in machines with rotary tables

|  | C03B 11/04 |
· | in machines with moulds fed by suction

|  | C03B 11/05 |
· | in machines with reciprocating moulds [3]

|  | C03B 11/06 |
· | Construction of plunger or mould

|  | C03B 11/07 |
· · | Suction moulds [3]

|  | C03B 11/08 |
· · | for making solid articles, e.g. lenses

|  | C03B 11/10 |
· · | for making hollow articles

|  | C03B 11/12 |
· | Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine (Fulltext... Hierarchy... Expanded...C03B 9/38 takes precedence)

|  | C03B 11/14 |
· | with metal inserts

|  | C03B 11/16 |
· | Gearing or controlling mechanisms specially adapted for glass presses

|  | C03B 13/00 |
Rolling glass

|  | C03B 13/02 |
· | Rolling non-patterned sheets discontinuously

|  | C03B 13/04 |
· | Rolling non-patterned sheets continuously

|  | C03B 13/06 |
· | Rolling corrugated sheets

|  | C03B 13/08 |
· | Rolling patterned sheets

|  | C03B 13/10 |
· | Rolling multi-layer sheets

|  | C03B 13/12 |
· | Rolling glass with enclosures, e.g. wire or asbestos

|  | C03B 13/14 |
· | Rolling other articles

|  | C03B 13/16 |
· | Construction of the glass rollers

|  | C03B 13/18 |
· | Auxiliary means for rolling glass, e.g. sheet supports, gripping devices, hand-ladles, means for moving glass pots

|  | C03B 15/00 |
Drawing glass upwardly from the melt

|  | C03B 15/02 |
· | Drawing glass sheets

|  | C03B 15/04 |
· · | from the free surface of the melt

|  | C03B 15/06 |
· · | from a debiteuse

|  | C03B 15/08 |
· · | by means of bars below the surface of the melt

|  | C03B 15/10 |
· · | multi-layer glass sheets or glass sheets coated with coloured layers

|  | C03B 15/12 |
· · | Construction of the annealing tower

|  | C03B 15/14 |
· | Drawing tubes, cylinders, or rods from the melt

|  | C03B 15/16 |
· · | Drawing tubes, cylinders, or rods, coated with coloured layers

|  | C03B 15/18 |
· | Means for laying-down and conveying combined with the drawing of glass sheets, tubes, or rods

|  | C03B 17/00 |
Forming glass by flowing out, pushing-out, or drawing downwardly or laterally from forming slits or by overflowing over lips

|  | C03B 17/02 |
· | Forming glass coated with coloured layers

|  | C03B 17/04 |
· | Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles

|  | C03B 17/06 |
· | Forming glass sheets [3]

|  | C03B 18/00 |
Shaping glass in contact with the surface of a liquid

|  | C03B 18/02 |
· | Forming sheets

|  | C03B 18/04 |
· · | Changing or regulating the dimensions of the molten glass ribbon [3]

|  | C03B 18/06 |
· · · | using mechanical means, e.g. restrictor bars, edge rollers [3]

|  | C03B 18/08 |
· · · | using gas [3]

|  | C03B 18/10 |
· · · | using electric means [3]

|  | C03B 18/12 |
· · | Making multilayer, coloured or armoured glass (chemical aspects Fulltext... Hierarchy... Expanded...C03C) [3]

|  | C03B 18/14 |
· · | Changing the surface of the glass ribbon, e.g. roughening (by chemical methods Fulltext... Hierarchy... Expanded...C03C) [3]

|  | C03B 18/16 |
· · | Construction of the float tank; Use of material for the float tank; Coating or protection of the tank wall [3]

|  | C03B 18/18 |
· · | Controlling or regulating the temperature of the float bath; Composition or purification of the float bath [3]

|  | C03B 18/20 |
· · | Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath [3]

|  | C03B 18/22 |
· · · | Controlling or regulating the temperature of the atmosphere above the float tank [3]

|  | C03B 19/00 |
Other methods of shaping glass

|  | C03B 19/02 |
· | by casting

|  | C03B 19/04 |
· | by centrifuging

|  | C03B 19/06 |
· | by sintering (production of quartz or fused silica articles Fulltext... Hierarchy... Expanded...C03B 20/00) [2]

|  | C03B 19/08 |
· | by foaming

|  | C03B 19/09 |
· | by fusing powdered glass in a shaping mould [3]

|  | C03B 19/10 |
· | Forming beads

|  | C03B 20/00 |
Processes specially adapted for the production of quartz or fused silica articles [3]

|  | C03B 21/00 |
Severing glass sheets, tubes, or rods while still plastic

|  | C03B 21/02 |
· | by cutting (Fulltext... Hierarchy... Expanded...C03B 9/46 takes precedence)

|  | C03B 21/04 |
· | by punching out

|  | C03B 21/06 |
· | by flashing-off, burning-off, or fusing (Fulltext... Hierarchy... Expanded...C03B 9/42 takes precedence)

|  | C03B 23/00 |
Re-forming shaped glass (re-forming fibres or filaments Fulltext... Hierarchy... Expanded...C03B 37/14)

|  | C03B 23/02 |
· | Re-forming glass sheets

|  | C03B 23/023 |
· · | by bending [3]

|  | C03B 23/025 |
· · · | by gravity [3]

|  | C03B 23/027 |
· · · · | with moulds having at least two upward pivotable mould sections [3]

|  | C03B 23/03 |
· · · | by press-bending between shaping moulds [3]

|  | C03B 23/033 |
· · · · | in a continuous way, e.g. roll forming [3]

|  | C03B 23/035 |
· · · | using a gas cushion or by changing gas pressure, e.g. by applying vacuum [3]

|  | C03B 23/037 |
· · | by drawing [3]

|  | C03B 23/04 |
· | Re-forming tubes or rods

|  | C03B 23/06 |
· · | by bending

|  | C03B 23/07 |
· · | by blowing, e.g. for making electric bulbs [3]

|  | C03B 23/08 |
· · | to exact dimensions, e.g. calibrating

|  | C03B 23/09 |
· · | Reshaping the ends, e.g. as grooves, threads or mouths [3]

|  | C03B 23/10 |
( transferred to Fulltext... Hierarchy... Expanded...C03B 23/04,Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C03B 23/11-C03B 23/207 )

|  | C03B 23/11 |
· · | Reshaping by drawing without blowing, in combination with separating, e.g. for making ampoules [3]

|  | C03B 23/12 |
( transferred to Fulltext... Hierarchy... Expanded...C03B 23/11 )

|  | C03B 23/13 |
· · | Reshaping combined with uniting or heat sealing, e.g. making vacuum bottles [3]

|  | C03B 23/14 |
( transferred to Fulltext... Hierarchy... Expanded...C03B 23/07 )

|  | C03B 23/16 |
( transferred to Fulltext... Hierarchy... Expanded...C03B 23/13 )

|  | C03B 23/18 |
· | Re-forming and sealing ampoules

|  | C03B 23/20 |
· | Uniting glass pieces by fusing without substantial reshaping

|  | C03B 23/203 |
· · | Uniting glass sheets (Fulltext... Hierarchy... Expanded...C03B 23/24 takes precedence) [3]

|  | C03B 23/207 |
· · | Uniting glass rods, glass tubes, or hollow glassware (Fulltext... Hierarchy... Expanded...C03B 23/24 takes precedence) [3]

|  | C03B 23/213 |
· · · | Joining projections or feet [3]

|  | C03B 23/217 |
· · · | for the production of cathode ray tubes or similarly shaped tubes [3]

|  | C03B 23/22 |
· · | Uniting glass lenses, e.g. forming bifocal lenses

|  | C03B 23/24 |
· · | Making hollow glass sheets or bricks

|  | C03B 23/26 |
· | Punching reheated glass

|  | C03B 25/00 - C03B 35/00 |
After-treatment of glass product (of fibres Fulltext... Hierarchy... Expanded...C03B 37/10)

|  | C03B 25/00 |
Annealing glass products

|  | C03B 25/02 |
· | in a discontinuous way

|  | C03B 25/04 |
· | in a continuous way

|  | C03B 25/06 |
· · | with horizontal displacement of the glass products [3]

|  | C03B 25/08 |
· · · | of glass sheets [3]

|  | C03B 25/10 |
· · | with vertical displacement of the glass products [3]

|  | C03B 25/12 |
· · · | of glass sheets [3]

|  | C03B 27/00 |
Tempering glass products

|  | C03B 27/02 |
· | using liquid, e.g. molten metal or salt [3]

|  | C03B 27/04 |
· | using gas [3]

|  | C03B 27/06 |
· · | for glass products other than flat or bent glass plates, e.g. hollow glassware, lenses [3]

|  | C03B 29/00 |
Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins

|  | C03B 29/02 |
· | in a discontinuous way

|  | C03B 29/04 |
· | in a continuous way

|  | C03B 31/00 |
Manufacture of rippled or crackled glass

|  | C03B 32/00 |
Thermal after-treatment of glass products not provided for in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C03B 25/00-C03B 31/00, e.g. crystallisation, eliminating gas inclusions or other impurities [2]

|  | C03B 33/00 |
Severing cooled glass (severing glass fibers Fulltext... Hierarchy... Expanded...C03B 37/16)

|  | C03B 33/02 |
· | Cutting or splitting sheet glass; Apparatus or machines therefor (Fulltext... Hierarchy... Expanded...C03B 33/09 takes precedence; glass-cutting tools Fulltext... Hierarchy... Expanded...C03B 33/10)

|  | C03B 33/04 |
· · | Cutting or splitting in curves, especially for making spectacle lenses

|  | C03B 33/06 |
· | Cutting or splitting glass tubes, rods, or hollow products (Fulltext... Hierarchy... Expanded...C03B 33/09 takes precedence)

|  | C03B 33/07 |
· | Cutting armoured or laminated glass products [3]

|  | C03B 33/08 |
· | by fusing

|  | C03B 33/09 |
· | by thermal shock [3]

|  | C03B 33/10 |
· | Glass-cutting tools

|  | C03B 33/12 |
· · | Hand tools [3]

|  | C03B 35/00 |
Transporting of glass products during their manufacture (conveying systems for glass sheets Fulltext... Hierarchy... Expanded...B65G 49/06) [2]

|  | C03B 35/02 |
( transferred to Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C03B 35/04-C03B 35/26 )

|  | C03B 35/04 |
· | Transporting of hot hollow glass products (Fulltext... Hierarchy... Expanded...C03B 35/26 takes precedence) [3]

|  | C03B 35/06 |
· · | Feeding of hot hollow glass products into annealing or heating kilns [3]

|  | C03B 35/08 |
· · · | using rotary means directly acting on the products [3]

|  | C03B 35/10 |
· · · | using reciprocating means directly acting on the products, e.g. pushers, stackers [3]

|  | C03B 35/12 |
· · · | by picking-up and depositing [3]

|  | C03B 35/14 |
· | Transporting hot glass sheets [3]

|  | C03B 35/16 |
· · | by roller conveyers [3]

|  | C03B 35/18 |
· · · | Construction of the conveyer rollers [3]

|  | C03B 35/20 |
· · | by gripping tongs or supporting frames [3]

|  | C03B 35/22 |
· · | on a fluid support bed, e.g. on molten metal [3]

|  | C03B 35/24 |
· · · | on a gas support bed [3]

|  | C03B 35/26 |
· | Transporting of glass tubes or rods [3]

|  | C03B 37/00 |
Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

|  | C03B 37/01 |
· | Manufacture of glass fibres or filaments [3]

|  | C03B 37/02 |
· · | by drawing or extruding (Fulltext... Hierarchy... Expanded...C03B 37/04 takes precedence)

|  | C03B 37/025 |
· · · | of tubes, rods, fibres or filaments [3]

|  | C03B 37/03 |
· · · | Drawing means, e.g. drawing drums [3]

|  | C03B 37/035 |
· · · · | having means for deflecting or stripping-off fibres [3]

|  | C03B 37/04 |
· · | by using centrifugal force

|  | C03B 37/05 |
· · · | by projecting on a rotating body having no radial orifices [3]

|  | C03B 37/06 |
· · | by blasting or blowing molten glass, e.g. for making staple fibres

|  | C03B 37/065 |
· · · | starting from tubes, rods, fibres, or filaments [3]

|  | C03B 37/07 |
· | Controlling or regulating (controlling or regulating in general Fulltext... Hierarchy... Expanded...G05) [3]

|  | C03B 37/075 |
· | Fibres or filaments characterised by their shape or composition, e.g. hollow fibres, ondulated fibres, fibres of different sorts of glass (light guides per se Fulltext... Hierarchy... Expanded...G02B 5/14) [3]

|  | C03B 37/08 |
· | Bushings; Spinnerettes; Nozzles; Nozzle plates (nozzles in general Fulltext... Hierarchy... Expanded...B05B)

|  | C03B 37/085 |
· · | Feeding devices therefor [3]

|  | C03B 37/09 |
· · | electrically heated [3]

|  | C03B 37/095 |
· · | Use of materials therefor [3]

|  | C03B 37/10 |
· | Non-chemical treatment (Fulltext... Hierarchy... Expanded...C03C 25/00 takes precedence; yarns or threads Fulltext... Hierarchy... Expanded...D02; woven fabrics Fulltext... Hierarchy... Expanded...D03; non-woven fabrics Fulltext... Hierarchy... Expanded...D04)

|  | C03B 37/12 |
· · | of fibres or filaments during winding up [3]

|  | C03B 37/14 |
· · | Re-forming fibres or filaments (Fulltext... Hierarchy... Expanded...C03B 37/025 takes precedence) [3]

|  | C03B 37/16 |
· · | Cutting or severing [3]

|  | C03B 39/00 |
( transferred to Fulltext... Hierarchy... Expanded...C03B 40/00 )

|  | C03B 40/00 |
Preventing adhesion between glass and glass or between glass and the means used to shape it [3]

|  | C03B 40/02 |
· | by lubrication; Use of materials as release or lubricating compositions [3]

|  | C03B 40/04 |
· | using gas [3]