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| CPC | COOPERATIVE PATENT CLASSIFICATION |
| | Bristles; Selection of materials for bristles (making artificial bristles D01D, D01F) |
| A46D 1/006 | . | { Antimicrobial, disinfectant bristles, handle, bristle-carrier or packaging} |
| A46D 1/0207 | . . | { Bristles characterised by the choice of material e.g. metal} |
| A46D 1/0215 | . . | { Bristles characterised by the material being biodegradable} |
| A46D 1/0223 | . . | { Bristles characterised by being electrostatically charged} |
| A46D 1/023 | . . | { Bristles with at least a core and at least a partial sheath} |
| A46D 1/0238 | . . | { Bristles with non-round cross-section} |
| A46D 1/0253 | . . | { Bristles having a shape which is not a straight line e.g. curved, "S", hook, loop} |
| A46D 1/0261 | . . | { Roughness structure on the bristle surface} |
| A46D 1/0276 | . . | { Bristles having pointed ends} |
| A46D 1/0284 | . . | { Bristles having rounded ends} |
| A46D 1/0292 | . . | { Bristles having split ends} |
| A46D 1/045 | . . | Cleaning, e.g. washing, drying |
| A46D 1/06 | . . | Machines or apparatus for cutting bristles |
| A46D 1/08 | . | Preparing uniform tufts of bristles |
| A46D 1/10 | . | Vibrating devices for arranging bristles |
| | Preparing, { i.e. Manufacturing} brush bodies |
| A46D 3/005 | . | { by moulding or casting a body around bristles or tufts of bristles} |
| A46D 3/02 | . | Machines for drilling bodies |
| A46D 3/04 | . | Machines for inserting or fixing bristles in bodies |
| A46D 3/042 | . . | { for fixing bristles using an anchor or staple} |
| A46D 3/045 | . . | { for fixing bristles by fusing or gluing to a body} |
| A46D 3/047 | . . | { for clamping or gluing bristles into rings, e.g. paint brushes, brooms} |
| A46D 3/05 | . . | for fixing the bristles between wires, tapes, or the like |
| A46D 3/06 | . | Machines for both drilling bodies and inserting bristles |
| A46D 3/062 | . . | { of the carousel or drum type (A46D 3/067 takes precedence)} |
| A46D 3/065 | . . | { of the belt or chain type (A46D 3/067 takes precedence)} |
| A46D 3/067 | . . | { featuring simultaneous pivoting of bodies for drilling and filling} |
| A46D 3/08 | . | Parts of brush-making machines |
| A46D 3/082 | . . | { Magazines for bristles; Feeding bristles to magazines; Knot picking} |
| A46D 3/085 | . . | { Magazines for brush bodies; Feeding bodies} |
| A46D 3/087 | . . | { Holders or supports for brush bodies} |
| A46D 5/00 | Devices for preparing quills for use as carriers for bristles |
| A46D 7/00 | Pressing devices for making brooms composed of brushwood or the like |
| A46D 9/025 | . . | { Deflecting parts of the bristle field in order to trim the rest} |
| A46D 99/00 | Subject matter not provided for in other groups of this subclass |
