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IPC 7
  C03 - C03B 9/48  
C03B01100-C03B02512
  C03B 27/00 - C03B 40/04  

SECTION C – CHEMISTRY; METALLURGY


C 03GLASS; MINERAL OR SLAG WOOL


C 03 BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES


11/

00Pressing glass

11/

02.in machines with rotary tables

11/

04.in machines with moulds fed by suction

11/

05.in machines with reciprocating moulds  [3]

11/

06.Construction of plunger or mould

11/

07..Suction moulds  [3]

11/

08..for making solid articles, e.g. lenses

11/

10..for making hollow articles

11/

12.Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine (C03B 9/38 takes precedence)  [3]

11/

14.with metal inserts

11/

16.Gearing or controlling mechanisms specially adapted for glass presses


13/

00Rolling glass

13/

01.Rolling profiled glass articles  [5]

13/

02.Rolling non-patterned sheets discontinuously

13/

04.Rolling non-patterned sheets continuously

13/

06.Rolling corrugated sheets

13/

08.Rolling patterned sheets

13/

10.Rolling multi-layer sheets

13/

12.Rolling glass with enclosures, e.g. wire or asbestos

13/

14.Rolling other articles

13/

16.Construction of the glass rollers

13/

18.Auxiliary means for rolling glass, e.g. sheet supports, gripping devices, hand-ladles, means for moving glass pots


15/

00Drawing glass upwardly from the melt

15/

02.Drawing glass sheets

15/

04..from the free surface of the melt

15/

06..from a debiteuse

15/

08..by means of bars below the surface of the melt

15/

10..multi-layer glass sheets or glass sheets coated with coloured layers

15/

12..Construction of the annealing tower

15/

14.Drawing tubes, cylinders, or rods from the melt

15/

16..Drawing tubes, cylinders, or rods, coated with coloured layers

15/

18.Means for laying-down and conveying combined with the drawing of glass sheets, tubes, or rods


17/

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

17/

02.Forming glass coated with coloured layers

17/

04.Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles

17/

06.Forming glass sheets  [3]


18/

00Shaping glass in contact with the surface of a liquid

18/

02.Forming sheets

18/

04..Changing or regulating the dimensions of the molten glass ribbon  [3]

18/

06...using mechanical means, e.g. restrictor bars, edge rollers  [3]

18/

08...using gas  [3]

18/

10...using electric means  [3]

18/

12..Making multilayer, coloured or armoured glass (chemical aspects C03C)  [3]

18/

14..Changing the surface of the glass ribbon, e.g. roughening (by chemical methods C03C)  [3]

18/

16..Construction of the float tank; Use of material for the float tank; Coating or protection of the tank wall  [3]

18/

18..Controlling or regulating the temperature of the float bath; Composition or purification of the float bath  [3]

18/

20..Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath  [3]

18/

22...Controlling or regulating the temperature of the atmosphere above the float tank  [3]


19/

00Other methods of shaping glass (manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags C03B 37/00)

19/

01.by progressive fusion of powdered glass onto a shaping substrate, i.e. accretion  [5]

19/

02.by casting

19/

04.by centrifuging

19/

06.by sintering (production of quartz or fused silica articles C03B 20/00)  [2]

19/

08.by foaming

19/

09.by fusing powdered glass in a shaping mould  [3]

19/

10.Forming beads

19/

12.by liquid-phase reaction processes  [5]

19/

14.by gas-phase reaction processes  [5]


20/

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


21/

00Severing glass sheets, tubes, or rods while still plastic

21/

02.by cutting (C03B 9/46 takes precedence)

21/

04.by punching out

21/

06.by flashing-off, burning-off, or fusing (C03B 9/42 takes precedence)  [3]



23/

00Re-forming shaped glass (re-forming fibres or filaments C03B 37/14)

23/

02.Re-forming glass sheets

23/

023..by bending  [3]

23/

025...by gravity  [3]

23/

027....with moulds having at least two upward pivotable mould sections  [3]

23/

03...by press-bending between shaping moulds  [3]

23/

031....the glass sheets being in a vertical position (C03B 23/033 takes precedence)  [5]

23/

033....in a continuous way, e.g. roll forming  [3]

23/

035...using a gas cushion or by changing gas pressure, e.g. by applying vacuum  [3]

23/

037..by drawing  [3]

23/

04.Re-forming tubes or rods

23/

043..Heating devices specially adapted for re-forming tubes or rods in general, e.g. burners  [5]

23/

045..Tools or apparatus specially adapted for re-forming tubes or rods in general, e.g. glass lathes, chucks (C03B 23/043 takes precedence)  [5]

23/

047..by drawing (C03B 37/025 takes precedence)  [5]

23/

049..by pressing (C03B 21/04, C03B 23/26 take precedence)  [5]

23/

051..by gravity, e.g. sagging  [5]

23/

053..by centrifuging (C03B 37/04 takes precedence)  [5]

23/

055..by rolling  [5]

23/

057..by fusing, e.g. for flame sealing (C03B 9/42, C03B 21/06, C03B 33/08 take precedence)  [5]

23/

06..by bending

23/

07..by blowing, e.g. for making electric bulbs  [3]

23/

08..to exact dimensions, e.g. calibrating

23/

09..Reshaping the ends, e.g. as grooves, threads or mouths  [3]

23/

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

23/

13..Reshaping combined with uniting or heat sealing, e.g. making vacuum bottles  [3]

23/

18.Re-forming and sealing ampoules

23/

20.Uniting glass pieces by fusing without substantial reshaping

23/

203..Uniting glass sheets (C03B 23/24 takes precedence)  [3]

23/

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

23/

213...Joining projections or feet  [3]

23/

217...for the production of cathode ray tubes or similarly shaped tubes  [3]

23/

22..Uniting glass lenses, e.g. forming bifocal lenses

23/

24..Making hollow glass sheets or bricks

23/

26.Punching reheated glass


After-treatment of glass product (of fibres C03B 37/10)


25/

00Annealing glass products

25/

02.in a discontinuous way

25/

04.in a continuous way

25/

06..with horizontal displacement of the glass products  [3]

25/

08...of glass sheets  [3]

25/

087....being in a vertical position  [5]

25/

093....being in a horizontal position on a fluid support, e.g. a gas or molten metal  [5]

25/

10..with vertical displacement of the glass products  [3]

25/

12...of glass sheets  [3]

  C03 - C03B 9/48    C03B 27/00 - C03B 40/04  
 

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