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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 57 | TEXTILES: SPINNING, TWISTING, AND TWINING |
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200 | STRAND STRUCTURE |
201 | Endless bands |
202 | Splices |
203 | Chenille |
204 | Alternately twisted |
206 | Longitudinal variation |
210 | Covered or wrapped |
211 | Plied |
212 | Wire wrapped |
213 | Plural wire wrapped layer |
214 | Stranded layers |
215 | Including nonround cross section |
216 | With core other than wire |
217 | Coated or impregnated |
218 | Stranded wire-wrapped layer |
222 | With core other than wire |
223 | Coated or impregnated |
224 | Discrete fiber wrap |
225 | Elastomeric material core |
227 | Including crimped or bulked material |
229 | Including glass material |
230 | Plural wrapped layers |
231 | Stranded layer |
232 | Coated or impregnated |
235 | Web material |
236 | Plied |
237 | Cabled or cord type (i.e., plied plies) |
238 | Composite |
240 | Glass material |
241 | Coated or impregnated |
243 | Multifilament yarns |
244 | Composite |
246 | Crimped or bulked |
248 | Particular cross section |
249 | Glass material |
250 | Coated impregnated |
252 | Staple fiber blends |
258 | Coated or impregnated |
260 | Web material |
1R | APPARATUS AND PROCESSES |
2 | Stapilizing |
2.3 | Untwisting with separating |
3 | Covering or wrapping |
3.5 | With core substitution |
4 | Hair, grass, quillstock or the like |
5 | With loose fibers |
6 | With other operations |
7 | With coating or impregnating |
8 | With powdered material incorporating |
9 | With wire or strand preforming or shaping |
10 | Stationary core type |
11 | Rotating core type |
12 | With twisting of core or product |
13 | With plural strands |
18 | With coaxial covering material supply |
19 | With stopping or starting |
20 | Waxed ends |
21 | Endless bands |
22 | Splicing |
24 | Chenille |
25 | Ends or hanks |
28 | Hair, grass or the like |
31 | Web material |
33 | Hollow rope machines |
261 | Piecing up |
264 | Monitor and control |
265 | Monitor and record |
266 | Doffing or donning |
267 | On cap or roving frame |
268 | Carriage |
273 | Bottom lifting |
274 | Over end of bobbin |
275 | Bobbin graspers |
276 | With preparation for doffing- or donning-type operation |
279 | Threading up |
281 | Package handling |
282 | Twist setting |
283 | With twist variation |
284 | False twist crimp |
285 | Intertwine type |
286 | With coating or impregnating |
287 | With stretching |
289 | Fluid jet type |
290 | Plural twisting or heating |
291 | Operator accommodating frame arrangement |
292 | With coating or impregnating |
293 | Alternate twist |
295 | With coating or impregnating |
299 | Transfer tail |
300 | Clearing |
301 | On open-end machine |
303 | Strand winding |
304 | Pneumatic |
306 | Strand accumulating or scavenging |
307 | Of traveler |
308 | Atmospheric conditioning |
309 | Strand finishing or developing |
310 | With stretching |
311 | With wire or strand preforming or shaping |
58.3 | Skip type stranding machines |
58.32 | With cradle driving or holding means |
58.34 | With cradle supported by tube section joint and/or tube supporting or driving disc |
58.36 | With strand guiding means |
58.49 | Unitary multiple twist devices |
58.52 | With stranding or plying (e.g., doubling) |
58.59 | With false twist |
58.61 | Plural co-axial loops |
58.63 | Spaced, driven flyer members |
58.65 | Take-up type |
58.67 | With packaging by revolving strand guide and/or reciprocating package holder |
58.68 | With slip connection between flier drive and package |
58.7 | With strand feeding means |
58.72 | With package control means |
58.83 | With strand guiding, guarding, or controlling means |
400 | Open end spinning |
401 | Friction |
402 | Electrostatic |
403 | Fluid |
404 | Rotating chamber type |
405 | With strand controlled stopping |
406 | With housing for drive or support |
408 | With fiber separating and/or feeding |
409 | Plural or variable feed |
410 | Coaxial roll |
411 | With fluid flow controlling or directing |
412 | With specific feed device for opening roll |
413 | With specific rotor feed channel |
414 | Rotor with fiber accreting portion |
59 | Delivery twist type |
66 | Receiving twist type |
66.5 | Rotating cradle package holder |
67 | Flier type |
72 | Bobbin lag or drag type |
73 | Spindle tip type |
74 | Cap type |
75 | Ring and traveler type |
76 | Centrifugal pots and guides |
313 | With rewinding |
314 | Stranding |
315 | With drafting |
316 | Domestic |
317 | Variable draft |
319 | Intermittent |
327 | With carding |
328 | False twist type |
332 | False twist device |
333 | Having fluid jet twisting means |
334 | Friction type |
335 | Revolving roll-pair type |
336 | Having a frictional belt |
337 | Having a frictional disc |
341 | Having a frictional tube, or a twisting head therefor, through which yarn passes |
344 | Having a tube, or a twisting head therefor, through which yarn passes, with a yarn gripper |
348 | Including mounting, support, or housing |
350 | With fluid jet |
351 | With other type crimping or texturing |
78 | Stopping or starting |
79 | Traverse controlled |
80 | Strand controlled |
88 | Spindle stopping |
90 | Feeding |
92 | Driving |
93 | Speed adjusting |
99 | Traversing |
100 | Electric |
101 | Turbine |
102 | Gear |
104 | Band |
352 | Strand guiding or guarding |
353 | Catching or holding |
354 | Separator or balloon limitor |
355 | Having antifriction coating or material |
356 | Readily removable or adjustable |
357 | Having threading slot |
358 | Threadboard |
361 | Lay head |
112 | Elements |
113 | Drag |
114 | Nippers |
115 | Fliers |
119 | Rings and travelers |
120 | With lubrication |
121 | With guards or protectors |
122 | With supporting, retaining or adjusting means |
125 | Travelers |
127 | Caps |
127.5 | Delivering elements |
129 | Receiving elements |
136 | Rails, rail guides, and support |
138 | Dies and mandrels |
362 | Processes |
1UN | Untwisting |
CROSS-REFERENCE ART COLLECTIONS | ||
901 | ANTISTATIC |
902 | REINFORCING OR TIRE CORDS |
903 | SEWING THREADS |
904 | FLAME RETARDANT |
905 | BICOMPONENT MATERIAL |
906 | LINE APPLIANCES |
907 | FOAMED AND/OR FIBRILLATED |
908 | JET INTERLACED OR INTERMINGLED |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
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