IPC 7 English version C03B 27/00-C03B 40/04

IPC ⁷ English version

C03B 11/00 - C03B 25/12

C03B02700-C03B04004

SECTION C – CHEMISTRY; METALLURGY

C 03

GLASS; MINERAL OR SLAG WOOL

C 03 B

MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

27/

Tempering glass products

27/

004

by bringing the hot glass product in contact with a solid cooling surface, e.g. sand grains [5]

27/

008

by using heat of sublimation of solid particles [5]

27/

012

by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling (C03B 27/008, C03B 27/016 take precedence) [5]

27/

016

by absorbing heat radiated from the glass product [5]

27/

using liquid [3,5]

27/

the liquid being a molten metal or a molten salt [5]

27/

using gas [3]

27/

044

for flat or bent glass sheets being in a horizontal position [5]

27/

048

on a gas cushion [5]

27/

052

for flat or bent glass sheets being in a vertical position [5]

27/

056

supported on the lower edge [5]

27/

for glass products other than flat or bent glass plates, e.g. hollow glassware, lenses [3]

29/

Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins

29/

in a discontinuous way

29/

in a continuous way

29/

with horizontal displacement of the products [5]

29/

Glass sheets [5]

29/

being in a vertical position [5]

29/

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

29/

with vertical displacement of the products [5]

29/

Glass sheets [5]

31/

Manufacture of rippled or crackled glass

32/

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

32/

Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles [5]

33/

Severing cooled glass (severing glass fibres C03B 37/16)

33/

Cutting or splitting sheet glass; Apparatus or machines therefor (C03B 33/09 takes precedence; glass-cutting tools C03B 33/10) [3]

33/

023

the sheet being in a horizontal position [5]

33/

027

Scoring tool holders; Driving mechanisms therefor [5]

33/

Glass cutting tables; Apparatus for transporting or handling sheet glass during the cutting or breaking operations [5]

33/

033

Apparatus for opening score lines in glass sheets [5]

33/

037

Controlling or regulating [5]

33/

Cutting or splitting in curves, especially for making spectacle lenses

33/

Cutting or splitting glass tubes, rods, or hollow products (C03B 33/09 takes precedence) [3]

33/

Cutting armoured or laminated glass products [3]

33/

by fusing

33/

085

Tubes, rods or hollow products [5]

33/

by thermal shock [3]

33/

095

Tubes, rods or hollow products [5]

33/

Glass-cutting tools, e.g. scoring tools

33/

Hand tools [3]

33/

specially adapted for cutting tubes, rods or hollow products [5]

35/

Transporting of glass products during their manufacture (conveying systems for fragile sheets, e.g. glass, B65G 49/06) [2]

35/

Transporting of hot hollow glass products (C03B 35/26 takes precedence) [3]

35/

Feeding of hot hollow glass products into annealing or heating kilns [3]

35/

using rotary means directly acting on the products [3]

35/

using reciprocating means directly acting on the products, e.g. pushers, stackers [3]

35/

by picking-up and depositing [3]

35/

Transporting hot glass sheets [3]

35/

by roller conveyers [3]

35/

Construction of the conveyer rollers [3]

35/

by gripping tongs or supporting frames [3]

35/

on a fluid support bed, e.g. on molten metal [3]

35/

on a gas support bed [3]

35/

Transporting of glass tubes or rods [3]

37/

Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

37/

005

Manufacture of flakes [5]

37/

Manufacture of glass fibres or filaments [3]

37/

012

Manufacture of preforms for drawing fibres or filaments [4]

37/

014

made entirely or partially by chemical means [4]

37/

016

by a liquid phase reaction process, e.g. through a gel phase [4]

37/

018

by glass deposition on a glass substrate, e.g. by chemical vapour deposition (C03B 37/016 takes precedence; surface treatment of glass by coating with glass C03C 17/02) [4]

37/

by drawing or extruding (C03B 37/04 takes precedence) [3]

37/

022

from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres [4]

37/

023

Fibres composed of different sorts of glass, e.g. fibre optics [4]

37/

025

from reheated softened tubes, rods, fibres or filaments [3]

37/

026

Drawing fibres reinforced with a metal wire [5]

37/

027

Fibres composed of different sorts of glass, e.g. fibre optics (C03B 37/028 takes precedence) [4]

37/

028

Drawing fibre bundles, e.g. for making fibre bundles of multifibres [4]

37/

029

Furnaces therefor [5]

37/

Drawing means, e.g. drawing drums [3]

37/

035

having means for deflecting or stripping-off fibres [3]

37/

by using centrifugal force [3]

37/

by projecting on a rotating body having no radial orifices [3]

37/

by blasting or blowing molten glass, e.g. for making staple fibres [3]

37/

065

starting from tubes, rods, fibres, or filaments [3]

37/

Controlling or regulating (controlling or regulating in general G05) [3]

37/

075

Manufacture of fibres or filaments consisting of different sorts of glass or characterised by shape, e.g. hollow fibres, undulated fibres (C03B 37/022, C03B 37/027, C03B 37/028 take precedence; light guides G02B 6/00) [3,4]

37/

Bushings; Spinnerettes; Nozzles; Nozzle plates (nozzles in general B05B)

37/

081

Indirect-melting bushings [5]

37/

083

Nozzles; Bushing nozzle plates (C03B 37/095 takes precedence) [5]

37/

085

Feeding devices therefor [3]

37/

electrically heated [3]

37/

092

Direct-resistance heating [5]

37/

095

Use of materials therefor [3]

37/

Non-chemical treatment (C03C 25/00 takes precedence; yarns or threads D02; woven fabrics D03; non-woven fabrics D04)

37/

of fibres or filaments during winding up [3]

37/

Re-forming fibres or filaments (C03B 37/025 takes precedence) [3]

37/

with heat application, e.g. for making optical fibres (fusion-splicing of light guides G02B 6/255; treatment of light guides to shape optical elements G02B 6/287) [5]

37/

Cutting or severing (light guides G02B 6/25) [3,5]

40/

Preventing adhesion between glass and glass or between glass and the means used to shape it [3]

40/

by lubrication; Use of materials as release or lubricating compositions [3]

40/

027

Apparatus for applying lubricants to glass shaping moulds or tools [5]

40/

033

Means for preventing adhesion between glass and glass [5]

40/

using gas [3]

C03B 11/00 - C03B 25/12