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]
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)
1
/
00
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]
1
/
002
•
Soldering by means of induction heating [5]
1
/
005
•
Soldering by means of radiant energy [5]
1
/
008
•
Soldering within a furnace (B 23 K 1/012 takes precedence) [5]
1
/
012
•
Soldering with the use of hot gas [5]
1
/
015
•
•
Vapour-condensation soldering [5]
1
/
018
•
Unsoldering; Removal of melted solder or other residues [5]
1
/
06
•
making use of vibrations, e.g. supersonic vibrations
1
/
08
•
Soldering by means of dipping in molten solder
1
/
14
•
specially adapted for soldering seams (making tubes involving operations other than soldering B 21 C) [5]
1
/
16
•
•
longitudinal seams, e.g. of shells [5]
1
/
18
•
•
circumferential seams, e.g. of shells [5]
1
/
19
•
taking account of the properties of the materials to be soldered [3]
1
/
20
•
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)
3
/
00
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]
3
/
02
•
Soldering irons; Bits
3
/
03
•
•
electrically heated [5]
3
/
04
•
Heating appliances (soldering lamps or blow-pipes F 23 D; electric heating in general
H 05 B)
3
/
047
•
•
electric [5]
3
/
053
•
•
•
using resistance wires [5]
3
/
06
•
Solder feeding devices; Solder melting pans
3
/
08
•
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
5
/
00
Gas flame welding
5
/
02
•
Seam welding (making tubes involving operations other than welding B 21 C)
5
/
04
•
•
using additional profiled strips or like of welding metal along seam edges
5
/
06
•
•
Welding longitudinal seams
5
/
08
•
•
Welding circumferential seams
5
/
10
•
Welding workpieces essentially comprising layers of different metals, e.g. plated workpieces
5
/
12
•
taking account of the properties of the material to be welded
5
/
14
•
•
of non-ferrous metals (B 23 K 5/16
takes precedence)
5
/
16
•
•
of different metals
5
/
18
•
for purposes other than joining parts, e.g. built-up welding
5
/
20
•
making use of vibrations, e.g. supersonic vibrations
5
/
213
•
Preliminary treatment [3]
5
/
22
•
Auxiliary equipment, e.g. backings, guides
5
/
24
•
•
Arrangements for supporting torches (not restricted to flame welding B 23 K 37/02)
