(0)C03B:3/5:
IPC6
SECTION C - CHEMISTRY; METALLURGY
C03B
4/6
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C03B019/00 - C03B025/00
19
/
00
Other methods of shaping glass
(manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
C 03 B 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
C 03 B 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
/
00
Processes specially adapted for the production of quartz or fused silica articles [3]
21
/
00
Severing glass sheets, tubes, or rods while still plastic
21
/
02
•
by cutting (
C 03 B 9/46
takes precedence)
21
/
04
•
by punching out
21
/
06
•
by flashing-off, burning-off, or fusing (
C 03 B 9/42
takes precedence) [3]
23
/
00
Re-forming shaped glass
(re-forming fibres or filaments
C 03 B 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 (
C 03 B 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 (
C 03 B 23/043
takes precedence) [5]
23
/
047
•
•
by drawing (
C 03 B 37/025
takes precedence) [5]
23
/
049
•
•
by pressing (
C 03 B 21/04
,
C 03 B 23/26
take precedence) [5]
23
/
051
•
•
by gravity, e.g. sagging [5]
23
/
053
•
•
by centrifuging (
C 03 B 37/04
takes precedence) [5]
23
/
055
•
•
by rolling [5]
23
/
057
•
•
by fusing, e.g. for flame sealing (
C 03 B 9/42
,
C 03 B 21/06
,
C 03 B 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 (
C 03 B 23/24
takes precedence) [3]
23
/
207
•
•
Uniting glass rods, glass tubes, or hollow glassware (
C 03 B 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
C 03 B 37/10
)
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