.~ Drill, thread, thread cutter, reamer, or rotary cutter abrading
DEFINITION
Classification: 451/48
Drill, thread, thread cutter, reamer, or rotary cutter abrading:
(under subclass 28) Method for grinding a drill, a thread, a thread die or cutter, a reamer, or a rotary cutter such as a hob.
SEE OR SEARCH THIS CLASS, SUBCLASS:
47, for a process of grinding a worm.
SEE OR SEARCH CLASS
76, Metal Tools and Implements, Making,
102, 107.1+, and 108.1+ for other processes of making an auger, die, or drill.
408, Cutting by Use of Rotating Axially Moving Tool,
18, for structure of that class type including a screw-threading tool combined with means to refurbish that tool; subclass 215 for a screw threading tool, per se. 409, Gear Cutting, Milling, or Planing,
66+, for a thread or helix milling process.
470, Threaded, Headed Fastener, or Washer Making: Process and Apparatus, for other processes of forming threads on such articles; except as provided for in Class 408.
