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Class Information
Number: 57
Name: Textiles: spinning, twisting, and twining >
Description: This class includes processes and apparatus for: (1) Producing strands of indefinite length by means of a twisting, twining and/or untwisting operation; (2) Twisting filamentary and/or fibrous material into yarns, threads, cords, ropes, wire ropes, cables, etc.; (3) Other operations such as attenuating, drafting or drawing fibrous material, when combined with twisting or twining, and not elsewhere classified; (4) Covering cores of indefinite length when including or followed by a twisting or twining Operation. The products of the above are also included where not elsewhere classified.










Class Number Class Name No. of Patents
57/901

Antistatic

64
57/1R

Apparatus and processes

112
57/293

Alternate twist

193
57/294

Accumulator type

59
57/308

Atmospheric conditioning

65
57/24

Chenille

31
57/300

Clearing

27
57/307

Of traveler

9
57/301

On open-end machine

123
57/302

Rotor

57
57/304

Pneumatic

163
57/305

Strand type

72
57/306

Strand accumulating or scavenging

38
57/303

Strand winding

36
57/3

Covering or wrapping

110
57/4

Hair, grass, quillstock or the like

0
57/11

Rotating core type

36
57/10

Stationary core type

48
57/18

With coaxial covering material supply

82
57/3.5

With core substitution

7
57/5

With loose fibers

100
57/6

With other operations

254
57/7

With coating or impregnating

103
57/8

With powdered material incorporating

2
57/9

With wire or strand preforming or shaping

96
57/13

With plural strands

116
57/15

In successive layers

39
57/16

With coaxial covering material supply

28
57/14

With cabling or doubling

18
57/17

With coaxial covering material supply

23
57/19

With stopping or starting

16
57/12

With twisting of core or product

74
57/59

Delivery twist type

66
57/65

Planetary type

11
57/64

With cabling

14
57/60

With twisting couple

11
57/61

With stopping or starting

6
57/62

With winding

18
57/63

With cabling

4
57/266

Doffing or donning

76
57/275

Bobbin graspers

41
57/273

Bottom lifting

17
57/268

Carriage

78
57/270

Bobbin or package manipulation

74
57/271

Successive and individual type

14
57/272

Ejector type

6
57/269

With strand manipulation

30
57/267

On cap or roving frame

55
57/274

Over end of bobbin

49
57/92

Driving

49
57/104

Band

46
57/105

Tensioning

69
57/100

Electric

113
57/102

Gear

12
57/103

Friction

19
57/93

Speed adjusting

60
57/94

Constant variation

14
57/96

Fly frame

15
57/95

With traverse controlled variation

9
57/97

Drawing rollers

12
57/98

Traverse controlled variation

15
57/99

Traversing

13
57/101

Turbine

12
57/112

Elements

14
57/127

Caps

5
57/127.5

Delivering elements

18
57/127.7

With adjustable package support

7
57/138

Dies and mandrels

18
57/113

Drag

8
57/115

Fliers

30
57/118

Ring and raceway type

1
57/116

Unwinding type

4
57/117

With pressers

10
57/114

Nippers

1
57/136

Rails, rail guides, and support

19
57/137

Ring

8
57/129

Receiving elements

27
57/130

Whirl driven

16
57/135

Live spindle

35
57/133

With lubrication

8
57/134

Live spindle

9
57/132

With spindle retaining means

15
57/131

With yarn holding means

4
57/119

Rings and travelers

31
57/125

Travelers

30
57/126

Bar type

0
57/121

With guards or protectors

0
57/120

With lubrication

20
57/122

With supporting, retaining or adjusting means

33
57/124

Rotating rings

49
57/123

With bar type traveler

0
57/21

Endless bands

11
57/25

Ends or hanks

11
57/26

Double feature

4
57/27

With reverse twist controller

2
57/332

False twist device

41
57/334

Friction type

55
57/336

Having a frictional belt

47
57/337

Having a frictional disc

30
57/338

On plural axes

20
57/339

With discs overlapping

79
57/340

With nonperipheral surfaces of discs substantially abutting

37
57/341

Having a frictional tube, or a twisting head therefor, through which yarn passes

30
57/343

Including mounting, support, or housing

14
57/342

Plural twist tubes

7
57/335

Revolving roll-pair type

19
57/344

Having a tube, or a twisting head therefor, through which yarn passes, with a yarn gripper

26
57/346

Including mounting, support, or housing

11
57/347

Magnetic support

7
57/345

Plural tubes

2
57/333

Having fluid jet twisting means

191
57/348

Including mounting, support, or housing

64
57/349

Magnetic support

6
57/90

Feeding

205
57/91

Irregular

57
57/28

Hair, grass or the like

4
57/29

Curling hair

2
57/30

Feeding

0
57/33

Hollow rope machines

2
57/264

Monitor and control

394
57/265

Monitor and record

95
57/400

Open end spinning

73
57/402

Electrostatic

13
57/403

Fluid

36
57/401

Friction

208
57/404

Rotating chamber type

123
57/414

Rotor with fiber accreting portion

63
57/416

Specific wall configuration

48
57/415

With fluid flow controlling or directing

64
57/417

With specific yarn guiding device

93
57/408

With fiber separating and/or feeding

200
57/410

Coaxial roll

9
57/409

Plural or variable feed

58
57/411

With fluid flow controlling or directing

147
57/412

With specific feed device for opening roll

73
57/413

With specific rotor feed channel

86
57/406

With housing for drive or support

241
57/407

Having operator access

90
57/405

With strand controlled stopping

47
57/281

Package handling

301
57/261

Piecing up

245
57/263

On open-end machine

324
57/262

With traveler threading

15
57/362

Processes

34
57/66

Receiving twist type

28
57/72

Bobbin lag or drag type

2
57/74

Cap type

15
57/76

Centrifugal pots and guides

32
57/77

With driving connections

14
57/312

With strand or package manipulation

19
57/67

Flier type

54
57/70

Bobbin lag or drag type

2
57/68

With capstan

12
57/71

With traversing strand guide or receiver

24
57/75

Ring and traveler type

84
57/66.5

Rotating cradle package holder

6
57/73

Spindle tip type

4
57/58.3

Skip type stranding machines

29
57/58.32

With cradle driving or holding means

12
57/58.34

With cradle supported by tube section joint and/or tube supporting or driving disc

17
57/58.36

With strand guiding means

31
57/58.38

Rotating strand guide

12
57/22

Splicing

280
57/23

Implements

27
57/2

Stapilizing

56
57/78

Stopping or starting

53
57/88

Spindle stopping

56
57/89

Laterally movable spindle

18
57/80

Strand controlled

71
57/81

Electric

155
57/83

Feeding means stopping

27
57/84

Roll separating

14
57/86

Severing

42
57/87

With clamping

52
57/85

Strand shifting

2
57/82

Twisting couple and feed

2
57/79

Traverse controlled

2
57/309

Strand finishing or developing

44
57/352

Strand guiding or guarding

242
57/353

Catching or holding

13
57/361

Lay head

12
57/354

Separator or balloon limitor

64
57/355

Having antifriction coating or material

9
57/357

Having threading slot

6
57/356

Readily removable or adjustable

15
57/358

Threadboard

5
57/359

Traversing

3
57/360

With lifting means

2
57/314

Stranding

93
57/279

Threading up

133
57/280

On false twist type machines

59
57/299

Transfer tail

23
57/282

Twist setting

61
57/284

False twist crimp

143
57/289

Fluid jet type

76
57/285

Intertwine type

15
57/291

Operator accommodating frame arrangement

50
57/290

Plural twisting or heating

124
57/286

With coating or impregnating

28
57/287

With stretching

58
57/288

Simultaneous type

103
57/292

With coating or impregnating

22
57/283

With twist variation

30
57/58.49

Unitary multiple twist devices

73
57/58.61

Plural co-axial loops

8
57/58.63

Spaced, driven flyer members

21
57/58.65

Take-up type

26
57/58.67

With packaging by revolving strand guide and/or reciprocating package holder

9
57/58.68

With slip connection between flier drive and package

0
57/58.59

With false twist

7
57/58.72

With package control means

14
57/58.74

For vibration damping

4
57/58.78

Gear

2
57/58.79

Friction type

0
57/58.81

Gravity

5
57/58.76

Magnetic

11
57/58.7

With strand feeding means

49
57/58.83

With strand guiding, guarding, or controlling means

113
57/58.86

Including tensioning means

73
57/58.84

Including transitory strand-storage means

16
57/58.52

With stranding or plying (e.g., doubling)

112
57/58.54

Plural multiple twist devices

22
57/58.55

Tandemly arranged

13
57/58.57

With false twist

6
57/2.3

Untwisting with separating

14
57/2.5

With component winding

3
57/1UN

Untwisting

47
57/20

Waxed ends

2
57/31

Web material

37
57/32

With coating or impregnating

8
57/295

With coating or impregnating

92
57/296

On twisting device

52
57/297

Strand bonding or adhesion

72
57/298

Wet drafting

16
57/315

With drafting

153
57/316

Domestic

8
57/328

False twist type

251
57/331

Friction type

28
57/329

Interstage

4
57/330

With self-contained drawing means

4
57/319

Intermittent

1
57/320

Mule type

0
57/324

Faller control

1
57/325

Copping rail

1
57/326

Feed control

1
57/321

Spindle drive control

1
57/322

Quadrant

0
57/323

Faller controlled

0
57/317

Variable draft

14
57/318

False twist type

4
57/327

With carding

22
57/350

With fluid jet

256
57/351

With other type crimping or texturing

76
57/276

With preparation for doffing- or donning-type operation

107
57/277

Rail positioning

12
57/278

Strand manipulation

50
57/313

With rewinding

31
57/310

With stretching

67
57/311

With wire or strand preforming or shaping

105
57/905

Bicomponent material

36
57/904

Flame retardant

31
57/907

Foamed and/or fibrillated

24
57/908

Jet interlaced or intermingled

125
57/906

Line appliances

5
57/902

Reinforcing or tire cords

333
57/903

Sewing threads

25
57/200

Strand structure

95
57/204

Alternately twisted

66
57/205

Crimped or bulked type

40
57/203

Chenille

23
57/258

Coated or impregnated

79
57/259

Web material

12
57/210

Covered or wrapped

278
57/232

Coated or impregnated

103
57/234

Adhesively bonded

47
57/233

Web material

10
57/224

Discrete fiber wrap

96
57/225

Elastomeric material core

67
57/226

With crimped or bulked material

31
57/227

Including crimped or bulked material

44
57/228

Crimped or bulked core

27
57/229

Including glass material

56
57/211

Plied

53
57/230

Plural wrapped layers

94
57/231

Stranded layer

50
57/235

Web material

33
57/212

Wire wrapped

162
57/223

Coated or impregnated

58
57/213

Plural wire wrapped layer

102
57/217

Coated or impregnated

57
57/215

Including nonround cross section

51
57/214

Stranded layers

45
57/216

With core other than wire

35
57/218

Stranded wire-wrapped layer

58
57/221

Coated or impregnated

38
57/219

Including nonround cross section

25
57/220

With core other than wire

28
57/222

With core other than wire

32
57/201

Endless bands

13
57/206

Longitudinal variation

76
57/207

Covered or wrapped type

85
57/208

Crimped or bulked type

118
57/209

Slub type

32
57/243

Multifilament yarns

167
57/250

Coated impregnated

83
57/251

Adhesively bonded

56
57/244

Composite

134
57/245

Crimped or bulked

103
57/246

Crimped or bulked

79
57/247

Twist crimped type

90
57/249

Glass material

35
57/248

Particular cross section

80
57/236

Plied

120
57/237

Cabled or cord type (i.e., plied plies)

104
57/241

Coated or impregnated

52
57/242

Adhesively bonded

33
57/238

Composite

102
57/239

Crimped or bulked

35
57/240

Glass material

21
57/202

Splices

38
57/252

Staple fiber blends

70
57/257

Coated

30
57/254

Crimped or bulked fibers

34
57/253

Particular cross sections

22
57/255

Synthetic material

74
57/256

With natural fibers

42
57/260

Web material

37
 
 
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