(0)B21F:1/1:
IPC6
SECTION B - PERFORMING OPERATIONS; TRANSPORTING
WORKING OR PROCESSING OF WIRE
B21F
2/2
<<   >>   B21F025/00 - B21F045/26  

25
/ 00 Making barbed wire
 

27
/ 00 Making wire network, i.e. wire nets (meshed-ring network B 21 F 31/00; in making bands B 21 F 43/00; using looms D 03 D)

27
/ 02 without additional connecting elements or material at crossings, e.g. connected by knitting  

27
/ 04 Manufacturing on machines with rotating blades or formers  

27
/ 06 Manufacturing on twister-gear machines  

27
/ 08 with additional connecting elements or material at crossings  

27
/ 10 with soldered or welded crossings  

27
/ 12 Making special types or portions of network by methods or means specially adapted therefor  

27
/ 14 Specially bending or deforming free wire ends  

27
/ 16 for spring mattresses  

27
/ 18 of meshed work for filters or sieves  

27
/ 20 of plaster-carrying network  

27
/ 22 of network for wire-reinforced glass or the like  
 

29
/ 00 Making fencing or like material made partly of wire (B 21 F 25/00, B 21 F 27/00 take precedence) [2]

29
/ 02 comprising bars or the like connected by wires  
 

31
/ 00 Making meshed-ring network from wire
 

33
/ 00 Tools or devices specially designed for handling or processing wire fabrics or the like

33
/ 02 Mounting of wire network on frames  

33
/ 04 Connecting ends of helical springs for mattresses  
 

35
/ 00 Making springs from wire (by coiling wire B 21 F 3/00; making resilient rings B 21 F 37/02)

35
/ 02 Bending or deforming ends of coil springs to special shape  

35
/ 04 Making flat springs, e.g. sinus springs  
 

37
/ 00 Manufacture of rings from wire (in chain making B 21 L; producing bead-rings or bead-cores for tyres B 29 D 30/48)

37
/ 02 or resilient rings, e.g. key-rings  

37
/ 04 of washers (B 21 F 37/02 takes precedence)  
 

39
/ 00 Making wheel spokes from wire
 

41
/ 00 Making umbrella frames or members from wire
 

43
/ 00 Making bands, e.g. bracelets, or wire (making chains B 21 L; using looms D 03 D)
 

45
/ 00 Wire-working in the manufacture of other particular articles (of pins, needles, nails, hairpins B 21 G; of chains B 21 L)

45
/ 02 of clothes hangers  

45
/ 04 of elements, e.g. levers or links, for bottle stoppers  

45
/ 06 of flexible shafts or hollow conduits, e.g. for Bowden mechanisms  

45
/ 08 of loom heddles  

45
/ 10 of cards for fabric-napping machines  

45
/ 12 of fishing hooks  

45
/ 14 of end-pieces for laces or ropes  

45
/ 16 of devices for fastening or securing purposes  

45
/ 18 of slide fastener elements  

45
/ 20 of spring hooks; of spring safety hooks  

45
/ 22 of paper fasteners or clips (staples B 21 F 45/24)  

45
/ 24 of staples; of belt-fastening elements  

45
/ 26 of buttons  

45
/ 28 of "patent-fastener" or press-button type  

 

 

 


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