IPC 6 English version  C03-C03B00948
    C03B 11/00 - C03B 25/12 >> 
SECTION C– CHEMISTRY; METALLURGY

C 03

GLASS; MINERAL OR SLAG WOOL

C 03 B

MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
Melting the raw material

1/

00

Preparing the batches (chemical compositions C 03 C)

1/

02

. 

Compacting the glass batches, e.g. pelletising [5]

3/

00

Charging the melting furnaces

3/

02

. 

combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet [5]

5/

00

Melting in furnaces; Furnaces so far as specially adapted for glass manufacture

Note

Group C 03 B 5/02 takes precedence over groups C 03 B 5/04 to C 03 B 5/14.

5/

02

. 

in electric furnaces

5/

027

. . 

by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating [3]

5/

03

. . . 

Tank furnaces [5]

5/

033

. . 

by using resistance heaters above or in the glass bath, i.e. by indirect resistance heating [3]

5/

04

. 

in tank furnaces

5/

05

. . 

Discontinuously-working tank furnaces, e.g. day tanks [5]

5/

06

. 

in pot furnaces

5/

08

. . 

Glass-melting pots

5/

10

. 

in combined tank furnaces and pots

5/

12

. 

in shaft furnaces

5/

14

. 

in revolving cylindrical furnaces

5/

16

. 

Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces

5/

167

. . 

Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches (C 03 B 5/20, C 03 B 5/42 take precedence) [5]

5/

173

. . 

Apparatus for changing the composition of the molten glass in glass furnaces, e.g. for colouring the molten glass (chemical aspects C 03 C) [5]

5/

18

. . 

Stirring devices; Homogenisation

5/

182

. . . 

by moving the molten glass along fixed elements, e.g. deflectors, weirs, baffle plates [5]

5/

183

. . . 

using thermal means, e.g. for creating convection currents [5]

5/

185

. . . . 

Electric means [5]

5/

187

. . . 

with moving elements [3]

5/

193

. . . 

using gas, e.g. bubblers [3]

5/

20

. . 

Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch

5/

225

. . 

Refining (C 03 B 5/18 takes precedence) [3]

5/

23

. . 

Cooling the molten glass (C 03 B 5/18, C 03 B 5/225 take precedence) [3]

5/

235

. . 

Heating the glass (C 03 B 5/02, C 03 B 5/18, C 03 B 5/225 take precedence) [3]

5/

237

. . . 

Regenerators or recuperators specially adapted for glass-melting furnaces [5]

5/

24

. . 

Automatically regulating the melting process

5/

26

. . 

Outlets; Overflows

5/

28

. . 

Siphons

5/

42

. . 

Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls [3]

5/

425

. . . 

Preventing corrosion or erosion (C 03 B 5/44 takes precedence) [5]

5/

43

. . . 

Use of materials for furnace walls, e.g. fire-bricks [5]

5/

435

. . . 

Heating arrangements for furnace walls [5]

5/

44

. . . 

Cooling arrangements for furnace walls [3]

7/

00

Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob

7/

01

. 

Means for taking-off charges of molten glass [5]

7/

02

. 

Forehearths, i.e. feeder channels [3]

7/

04

. . 

Revolving forehearths [3]

7/

06

. . 

Means for thermal conditioning or controlling the temperature of the glass [3]

7/

07

. . . 

Electric means [5]

7/

08

. 

Feeder spouts, e.g. gob feeders [3]

7/

082

. . 

Pneumatic feeders [5]

7/

084

. . 

Tube mechanisms [5]

7/

086

. . 

Plunger mechanisms [5]

7/

088

. . 

Outlets, e.g. orifice rings [5]

7/

09

. . 

Spout blocks [5]

7/

092

. . 

Stirring devices; Homogenisation (C 03 B 5/18 takes precedence) [5]

7/

094

. . 

Means for heating, cooling or insulation [5]

7/

096

. . . 

for heating [5]

7/

098

. . . . 

electric [5]

7/

10

. 

Cutting-off the glass flow with the aid of knives or scissors; Construction of the blades used [3]

7/

11

. . 

Construction of the blades [5]

7/

12

. . 

Cutting-off a free-hanging glass stream [3]

7/

14

. 

Transferring molten glass or gobs to glass blowing or pressing machines (C 03 B 7/18 to C 03 B 7/22 take precedence) [3]

7/

16

. . 

using deflector chutes [3]

7/

18

. 

Suction feeders [3]

7/

20

. 

Scoop feeders [3]

7/

22

. 

Gathering-devices in the form of rods or pipes [3]

8/

00

Production of glass by other processes than melting processes (C 03 B 37/014 takes precedence; preparation of finely divided silica, in general C 01 B 33/18) [4]

8/

02

. 

by liquid phase reaction processes [4]

8/

04

. 

by gas phase reaction processes [4]
Shaping of glass (manufacture of fibres C 03 B 37/00)

9/

00

Blowing glass; Production of hollow glass articles

9/

02

. 

with the mouth; Auxiliary means therefor

9/

03

. . 

Blow pipes [3]

9/

04

. . 

Making hollow glass articles with feet or projections

9/

06

. . 

Making hollow glass articles with double walls, e.g. vacuum flasks

9/

08

. 

Finish-blowing with compressed air of blanks blown with the mouth

9/

10

. 

Blowing glass cylinders for sheet manufacture

9/

12

. 

starting from a ribbon of glass; Ribbon machines

9/

13

. 

in gob feeder machines (C 03 B 9/28, C 03 B 9/29 take precedence) [3]

9/

14

. . 

in "blow" machines or in "blow-and-blow" machines (C 03 B 9/193, C 03 B 9/20 take precedence) [3]

9/

16

. . . 

in machines with turn-over moulds [3]

9/

18

. . . . 

Rotary-table machines [3]

9/

19

. . . . . 

having only one rotary table [3]

9/

193

. . 

in "press-and-blow" machines [3]

9/

195

. . . 

Rotary-table machines [3]

9/

197

. . . 

Construction of the blank mould [3]

9/

20

. 

in "vacuum blowing" or in "vacuum-and-blow" machines

9/

22

. . 

Rotary table machines

9/

24

. . 

Construction of the blank mould

9/

28

. 

in machines of the endless-chain type (C 03 B 9/12 takes precedence) [3]

9/

29

. 

Paste mould machines (C 03 B 9/28 takes precedence) [3]

9/

295

. . 

Rotary table machines [5]

9/

30

. 

Details of blowing glass (for blowing with the mouth C 03 B 9/02); Use of materials for the moulds

9/

31

. . 

Blowing laminated glass articles or glass with enclosures, e.g. wires, bubbles [5]

9/

32

. . 

Giving special shapes to parts of hollow glass articles

9/

325

. . . 

Forming screw threads or lips at the mouth of hollow glass articles; Neck moulds [3]

9/

33

. . . 

Making hollow glass articles with feet or projections; Moulds therefor [3]

9/

335

. . . 

Forming bottoms to blown hollow glass articles; Bottom moulds [3]

9/

34

. . 

Glass-blowing moulds not otherwise provided for

9/

347

. . . 

Construction of the blank or blow mould [3]

9/

353

. . . 

Mould holders [3]

9/

36

. . 

Blow heads; Supplying, ejecting, or controlling the air

9/

38

. . 

Means for cooling, heating, or insulating glass-blowing machines

9/

40

. . 

Gearing or controlling mechanisms specially adapted for glass-blowing machines

9/

41

. . . 

Electric or electronic systems (in general G 05 B 19/00) [5]

9/

42

. . 

Means for fusing, burning-off, or edge-melting combined with glass-blowing machines (uniting glass pieces by fusing C 03 B 23/20)

9/

44

. . 

Means for discharging combined with glass-blowing machines, e.g. take-outs

9/

447

. . . 

Means for the removal of glass articles from the blow-mould, e.g. take-outs [5]

9/

453

. . . 

Means for pushing newly formed glass articles onto a conveyer, e.g. sweep-out mechanisms; Dead-plate mechanisms [5]

9/

46

. . 

Means for cutting the hot glass in glass-blowing machines (burning-off C 03 B 9/42)

9/

48

. . 

Use of materials for the moulds [3]
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