(0)B23G:0/1:
IPC6
SECTION B - PERFORMING OPERATIONS; TRANSPORTING
THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN...
B23G
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<<   >>   B23G001/00 - B23G001/52  

B 23 G

 THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH (thread- forming by corrugating tubes B 21 D 15/04, by rolling B 21 H 3/02, by forging, pressing, or hammering B 21 K 1/56; making helical grooves by turning B 23 B 5/48, by milling B 23 C 3/32, by grinding B 24 B 19/02; arrangements for copying or controlling B 23 Q)
 

Note
 

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

-

 "thread cutting" includes the use of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material.

 

 

 
 

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/ 00 Thread cutting; Automatic machines specially designed therefor

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/ 02 • on an external or internal cylindrical or conical surface, e.g. on recesses (B 23 G 1/16, B 23 G 1/22, B 23 G 1/32, B 23 G 1/36 take precedence)  

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/ 04 • • Machines with one working-spindle  

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/ 06 • • • specially adapted for making conical screws, e.g. wood-screws  

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/ 08 • • Machines with a plurality of working-spindles  

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/ 10 • • • specially adapted for making conical screws, e.g. wood-screws  

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/ 12 • • Machines with a toothed cutter in the shape of a spur gear or the like which is rotated to generate the thread profile as the work rotates  

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/ 14 • • • specially adapted for making conical screws, e.g. wood-screws  

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/ 16 • in holes of workpieces by taps (B 23 G 1/26, B 23 G 1/32, B 23 G 1/36 take precedence)  

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/ 18 • • Machines with one working-spindle  

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/ 20 • • Machines with a plurality of working-spindles  

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/ 22 • Machines specially designed for operating on pipes or tubes  

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/ 24 • • portable  

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/ 26 • Manually-operated thread-cutting devices (features of the threading tool B 23 G 5/00)  

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/ 28 • • with means for adjusting the threading tool  

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/ 30 • • without means for adjusting the threading tool, e.g. with die-stocks (tap wrenches B 25 B)  

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/ 32 • by milling  

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/ 34 • • with a cutting bit moving in a closed path arranged eccentrically with respect to the axis of the rotating workpiece  

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/ 36 • by grinding  

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/ 38 • • with grinding discs guided along the workpiece in accordance with the pitch of the required thread  

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/ 40 • • with grinding discs guided radially to the workpiece  

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/ 42 • Centreless grinding  

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/ 44 • Equipment or accessories specially designed for machines or devices for thread cutting  

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/ 46 • • for holding the threading tools  

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/ 48 • • for guiding the threading tools  

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/ 50 • • for cutting thread by successive operations  

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/ 52 • • for operating on pipes or tubes  
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