IPC 6 English version B23K !A-B23K 11/36

B23K-B23K01136

SECTION B– PERFORMING OPERATIONS; TRANSPORTING

B 23

MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR (punching, perforating, making articles by processing sheet metal, tubes, or profiles B 21 D; wire-working B 21 F; making pins, needles, or nails B 21 G; making chains B 21 L; grinding B 24)

B 23 K

SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM (making metal-coated products by extruding metal B 21 C 23/22; building up linings or coverings by casting B 22 D 19/08; casting by dipping B 22 D 23/04; manufacture of composite layers by sintering metal powder B 22 F 7/00; arrangements on machine tools for copying or controlling B 23 Q; covering metals or covering materials with metals, not otherwise provided for C 23 C; burners F 23 D)

Notes

(1)

This subclass covers also electric circuits specially adapted for the purposes covered by the title of the subclass.

(2)

In this subclass, the following term is used with the meaning indicated:

–

"soldering" means uniting metals using solder and applying heat without melting either of the parts to be united. [5]

(3)

In groups B 23 K 1/00 to B 23 K 31/00, it is desirable to add the indexing codes of groups B 23 K 101:00 or B 23 K 103:00. The indexing codes should be unlinked. [5]

Soldering, e.g. brazing, or unsoldering (essentially requiring the use of welding machines or welding equipment, see the relevant groups for the welding machines or welding equipment)

Soldering, e.g. brazing, or unsoldering (B 23 K 3/00 takes precedence; characterised only by the use of special materials or media B 23 K 35/00; dip or wave soldering in the manufacture of printed circuits H 05 K 3/34) [5]

002

Soldering by means of induction heating [5]

005

Soldering by means of radiant energy [5]

008

Soldering within a furnace (B 23 K 1/012 takes precedence) [5]

012

Soldering with the use of hot gas [5]

015

Vapour-condensation soldering [5]

018

Unsoldering; Removal of melted solder or other residues [5]

making use of vibrations, e.g. supersonic vibrations

Soldering by means of dipping in molten solder

specially adapted for soldering seams (making tubes involving operations other than soldering B 21 C) [5]

longitudinal seams, e.g. of shells [5]

circumferential seams, e.g. of shells [5]

taking account of the properties of the materials to be soldered [3]

Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating (preparation of surfaces in particular ways, see the relevant classes for the treatments or the materials treated, e.g. C 04 B, C 23 C)

Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods (materials used for soldering B 23 K 35/00) [5]

Soldering irons; Bits

electrically heated [5]

Heating appliances (soldering lamps or blow-pipes F 23 D; electric heating in general H 05 B)

047

electric [5]

053

using resistance wires [5]

Solder feeding devices; Solder melting pans

Auxiliary devices therefor (cleaning pipes or tubes or systems of pipes or tubes, e.g. before soldering, B 08 B 9/02) [5]

Flame welding or cutting

Gas flame welding

Seam welding (making tubes involving operations other than welding B 21 C)

using additional profiled strips or like of welding metal along seam edges

Welding longitudinal seams

Welding circumferential seams

Welding workpieces essentially comprising layers of different metals, e.g. plated workpieces

taking account of the properties of the material to be welded

of non-ferrous metals (B 23 K 5/16 takes precedence)

of different metals

for purposes other than joining parts, e.g. built-up welding

making use of vibrations, e.g. supersonic vibrations

213

Preliminary treatment [3]

Auxiliary equipment, e.g. backings, guides

Arrangements for supporting torches (not restricted to flame welding B 23 K 37/02)

Cutting, scarfing, or desurfacing by applying flames

Machines, apparatus, or equipment specially designed for scarfing or desurfacing

by applying additional compounds or means favouring the cutting, scarfing, or desurfacing procedure

Auxiliary devices, e.g. for guiding or supporting the torch (guiding means applicable to other metal-working machines B 23 Q)

Electric welding or cutting

Arc welding or cutting (electro-slag welding B 23 K 25/00; welding transformers H 01 F; welding generators H 02 K)

007

Spot arc welding [5]

013

Arc cutting, gouging, scarfing or desurfacing [5]

Seam welding; Backing means; Inserts

022

Welding by making use of electrode vibrations [5]

025

for rectilinear seams [5]

028

for curved planar seams [5]

032

for three-dimensional seams [5]

035

with backing means disposed under the seam [5]

038

using moulding means (not restricted to arc welding B 23 K 37/06) [5]

Welding for other purposes than joining, e.g. built-up welding

Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc [5]

067

Starting the arc [5]

073

Stabilising the arc [5]

Arrangements or circuits for magnetic control of the arc

Arrangements or circuits for arc welding with pulsed current or voltage [3]

095

Monitoring or automatic control of welding parameters [5]

Other electric circuits therefor; Protective circuits; Remote controls

Automatic feeding or moving of electrodes or work for spot or seam welding or cutting

127

Means for tracking lines during arc welding or cutting (copying in general B 23 Q 35/00) [5]

133

Means for feeding electrodes, e.g. drums, rolls, motors [5]

making use of insulated electrodes

making use of shielding gas

167

and of a non-consumable electrode [5]

173

and of consumable electrode [5]

Submerged-arc welding

Stud welding

Percussion welding

taking account of the properties of the materials to be welded [3]

235

Preliminary treatment [3]

Features related to electrodes (form or composition of electrodes B 23 K 35/00)

Accessories for electrodes, e.g. ignition tips

Supporting devices for electrodes (not restricted to arc welding or cutting B 23 K 37/02)

Supporting devices adapted for making use of shielding means [5]

Vibrating holders for electrodes (B 23 K 9/022 takes precedence) [5]

Accessories (earthing connections H 01 R)

10/

Welding or cutting by means of a plasma [5]

10/

Plasma welding [5]

11/

Resistance welding; Severing by resistance heating

11/

Pressure butt welding

11/

Flash butt welding

11/

using roller electrodes

11/

Seam welding not restricted to one of the preceding subgroups

11/

087

for rectilinear seams [5]

11/

093

for curved planar seams [5]

11/

Spot welding; Stitch welding

11/

Spot welding [5]

11/

making use of vibrations

11/

Projection welding

11/

taking account of the properties of the material to be welded

11/

of non-ferrous metals (B 23 K 11/20 takes precedence)

11/

of different metals

11/

Severing by resistance heating

11/

Electric supply or control circuits therefor

11/

Monitoring devices [5]

11/

Storage discharge welding

11/

Portable welding equipment

11/

Features relating to electrodes (form or composition of electrodes B 23 K 35/00)

11/

Electrode holders (not restricted to resistance welding or severing by resistance heating B 23 K 37/02) [5]

11/

Preliminary treatment [3]

11/

Auxiliary equipment (B 23 K 11/31 takes precedence) [3,5]

B23K 13/00 - B23K 103:24