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IPC 7
 
C03-C03B00948
  C03B 11/00 - C03B 25/12  

SECTION C – CHEMISTRY; METALLURGY


C 03GLASS; MINERAL OR SLAG WOOL


C 03 BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES


Subclass Index

MANUFACTURE OF GLASS 

Processes before melting 

C03B 1/00, C03B 3/00 

Melting processes 

C03B 5/00, C03B 7/00 

Other processes 

C03B 8/00 

SHAPING 

Blowing 

C03B 9/00 

Pressing 

C03B 11/00 

Rolling 

C03B 13/00 

Other methods 

C03B 15/00 to C03B 21/00 

Manufacture of fibres or filaments 

C03B 37/00 

Transporting during manufacture 

C03B 35/00 

Preventing glass adhesion 

C03B 40/00 

Production of quartz or fused silica articles 

C03B 20/00 

AFTER-TREATMENTS 

Thermic treatment 

C03B 25/00, C03B 29/00, C03B 32/00 

Tempering 

C03B 27/00 

Severing 

C03B 23/26, C03B 33/00 

Re-forming 

C03B 23/00, C03B 31/00 

of fibres or filaments 

C03B 37/10 



Melting the raw material


1/

00Preparing the batches (chemical compositions C03C)

1/

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


3/

00Charging the melting furnaces

3/

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


5/

00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture

Note

 Group C03B 5/02 takes precedence over groups C03B 5/04 to C03B 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 (C03B 5/20, C03B 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 C03C)  [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 (C03B 5/18 takes precedence)  [3]

5/

23..Cooling the molten glass (C03B 5/18, C03B 5/225 take precedence)  [3]

5/

235..Heating the glass (C03B 5/02, C03B 5/18, C03B 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 (C03B 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/

00Distributors 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 (C03B 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 (C03B 7/18 to C03B 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/

00Production of glass by other processes than melting processes (C03B 37/014 takes precedence; preparation of finely divided silica, in general C01B 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 C03B 37/00)


9/

00Blowing 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 (C03B 9/28, C03B 9/29 take precedence)  [3]

9/

14..in "blow" machines or in "blow-and-blow" machines (C03B 9/193, C03B 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 (C03B 9/12 takes precedence)  [3]

9/

29.Paste mould machines (C03B 9/28 takes precedence)  [3]

9/

295..Rotary table machines  [5]

9/

30.Details of blowing glass (for blowing with the mouth C03B 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 G05B 19/00)  [5]

9/

42..Means for fusing, burning-off, or edge-melting combined with glass-blowing machines (uniting glass pieces by fusing C03B 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 C03B 9/42)

9/

48..Use of materials for the moulds  [3]

   C03B 11/00 - C03B 25/12  
 

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