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Class Information
Number: 19
Name: Textiles: fiber preparation >
Description: Means for mechanically isolating and for manipulating fibers so as to place them in condition for the purpose for which they are to be utilized. Includes the bringing together of the fibers into laps, slivers, and the like, but not twisting or interlacing into permanent form.










Class Number Class Name No. of Patents
19/144

Assembling

9
19/148

Article, screen-condensing

21
19/149

Article, winding

4
19/145

Different materials

12
19/145.5

Blending

113
19/145.7

By carding

33
19/145.3

Fiber to stick or rod

6
19/157

Formed silvers

72
19/159R

Coiling

138
19/159A

Can changing

115
19/160

Zigzag

5
19/161.1

Formed web

49
19/163

Zigzag

64
19/150

Silver forming

128
19/151

Fleece dividers

5
19/153

Rub aprons

2
19/152

Rub rolls

2
19/296

Web forming

153
19/300

Control means responsive to sensed condition or program

56
19/304

Fluid propelled to condenser

96
19/308

Rotary condenser

30
19/305

With fiber liberation

32
19/306

Gripping feed to fiber separator

27
19/307

Rotary condenser

6
19/299

Including continuous filaments

56
19/301

Irregular, nonuniform, or patterned receiving surface

24
19/302

Stratified or multilayer

45
19/303

With divided fiber stream or separate handling of trash or fugitive fiber

18
19/297

With fiber sampling

5
19/298

With split lap preventing

0
19/.27

Drying

16
19/1

Liberating

6
19/2

Animal fibers

10
19/4

Feathers

3
19/3

Silk

3
19/35

Boll hulling

8
19/38

With breaker

1
19/36

With knocker roll and breaker

0
19/37

With knocker roll

3
19/5R

Decorticating

7
19/19

Apron machines

2
19/20

Depulping

3
19/21

Combinations with reciprocating brakes

2
19/34

Depulping

5
19/10

Individual stalk opening

0
19/22

Reciprocating brakes

4
19/23

Continuous feed

8
19/24

Rotary machines

12
19/25

Axially movable rotor

13
19/33

Beaters

3
19/30

Brakes and beaters

4
19/31

Brakes

0
19/32

Reverse rotation

2
19/28

Depulping

2
19/29

Including brakes and combs

3
19/26

Single rotor

9
19/27

Depulping

7
19/5A

Systems

4
19/11

Traveling clamp feed

0
19/17

Depulping

1
19/18

Including rotary

1
19/12

Transverse

2
19/15

Depulping

1
19/16

Single rotor

0
19/13

Overhead

0
19/14

Depulping

0
19/9

With air blast

0
19/7

With liquid treatment

10
19/8

Depulping

3
19/6

With seed or leaf removing

8
19/39

Ginning

21
19/40

Delinting

21
19/41

Delinters

19
19/44

Rotor in shell

6
19/47

Skeleton rotor

0
19/45

Vertical

0
19/46

Skeleton rotor

3
19/42

Separate delinting and doffing chambers

0
19/43

Roller and bar

3
19/64.5

Feeding

37
19/48R

Gins

44
19/48A

Disc type

2
19/50

Roller and bar

10
19/51

Laterally movable detacher

1
19/53

Rotary detacher

5
19/52

Vibratory detacher

1
19/54

Rollers

1
19/49

Rolling squeeze

2
19/55R

Saw

19
19/58

Doffing and moting

8
19/60

Brushes

2
19/59

Pneumatic doffing

1
19/55B

Float roll

0
19/55A

Gin breast lift

2
19/57

Multiple cylinders

3
19/62R

Ribs

10
19/62A

Rotary rib

2
19/64

Saw cleaners

0
19/63

Saws

4
19/61

Seed boards

0
19/56

With boll hullers

2
19/.3

Stapilizing

8
19/.56

Combined

12
19/.58

Continuously flowing work

6
19/.6

Cutting

22
19/.62

Differential speed rotary cutter

3
19/.64

Fraying (e.g., abrasive)

1
19/.35

Tension breaking

20
19/.43

Differential effect

0
19/.39

Multi-stage

4
19/.41

With lateral filament deflection

1
19/.37

With weakening

4
19/.46

With prior treatment

14
19/.48

Aligning or separating

3
19/.51

With stapled fiber overlapping

2
19/.2

Stopping

22
19/.25

Break or run-out detection

44
19/.26

Strand winding

3
19/.21

Photo responsive

10
19/.23

Thickness detection

22
19/.24

Floating roll

2
19/.22

With signal

9
19/65R

Working

34
19/98

Carding

184
19/114

Card clothing

119
19/99

Card types

39
19/100

Roller worker and stripper

15
19/101

Multiple-roller worker unit

15
19/104

Stationary flat

44
19/102

Traveling flat

56
19/103

Bends

17
19/112

Cylinders

80
19/106R

Doffing

130
19/106A

Doffer comb

2
19/105

Feeding

300
19/113

Flats

69
19/108

Stripping

14
19/110

Flat

7
19/111

Traveling

34
19/109

Pneumatic

28
19/107

Waste recovering

113
19/115R

Combing

57
19/126

Apron and cylinder

0
19/127

Apron

4
19/122

Circle

2
19/124R

Dabbing mechanism

0
19/124B

Brush

0
19/123

Exterior and interior

1
19/128

Cylinder

8
19/115A

Draw-off rolls

4
19/125

Overhead traveling clamp

2
19/129R

Screw gill bar

23
19/129A

Gill bar cleaners

3
19/215

Tuft combing

25
19/229

Detaching (i.e., segment)

6
19/230

Belt

0
19/231

Roll

9
19/232

Oscillating or reciprocating

4
19/235

Nipper

16
19/220

Nonrotary combing

0
19/221

Stationary when combing

1
19/224

Adjusting

0
19/223

Moving to combed position in timed relation to nipper or detaching motion

8
19/233

Rotary comb cylinder

14
19/234

Half lap

10
19/216

Tuft translating type

1
19/217

Rotary

12
19/218

Waste clearing

7
19/219

With auxiliary pressing

1
19/225

With oscillating or reciprocating nipper

30
19/228

Adjusting

3
19/226

Plural pairs - alternating

3
19/227

Resilient closing or opening

3
19/115B

Waste collector

4
19/65CR

Crush rolls

10
19/236

Drafting

117
19/244

Apron type

65
19/248

Pressing or holding fibers against belt

10
19/250

Tensioning

5
19/251

By roll

1
19/256

With adjustments

5
19/252

With apron guide

9
19/254

Cradles

2
19/255

For plural aprons

8
19/253

Including specific cross-guide structure

7
19/249

With auxiliary apron support

11
19/245

With clearing

10
19/246

With condensing

44
19/247

With fiber orienting

2
19/237

Producing longitudinal variations

6
19/238

By variation of fiber input rate

5
19/258

Roll type

77
19/293

Gear or friction driving

26
19/260

Including changing roll speed or location

27
19/261

Roll-spacing adjusting

19
19/259

Including slip roll

2
19/266

Pressure-applying devices

22
19/278

Applied through saddle

0
19/279

Spring pressure applying means

1
19/280

With pressure-adjusting means

1
19/273

Applied through stirrup and saddle

1
19/274

Including fulcrumed lever linking stirrup and pressure means

1
19/275

Gravity pressure applying means

0
19/276

With means to vary or permit variation of pressure effect on fulcrumed lever arm

0
19/277

Spring pressure applying means

1
19/283

Gravity pressure applying means

0
19/272

Magnetic, hydraulic, or pneumatic

9
19/284

Saddle, per se

3
19/285

Lubricating or antifriction means

1
19/270

Signal

4
19/281

Spring pressure applying means

3
19/282

With means to adjust pressure

2
19/271

Uniform pressure applying to all rolls or plural pairs from a single source

4
19/267

With releasing means

11
19/269

Gravity pressure means

0
19/268

Responsive to roll relationship

1
19/287

Reciprocating transverse guide, condenser, or roll

2
19/286

Roll condensing

7
19/294

Roll stands

9
19/295

Top roll

14
19/262

With clearing

23
19/263

Pneumatic

25
19/265

Top roll

18
19/264

Underclearing

6
19/288

With fiber guide, condenser, or brake

72
19/292

Adjustable

4
19/289

Including marginal folding

1
19/291

Open type

5
19/290

Presser

0
19/257

With cooperating trough

1
19/243

With doubling

18
19/242

With fiber stretching

3
19/239

With material sensing

85
19/240

And speed changing

110
19/241

By belt shifting

0
19/66R

Fluid or special treatment

61
19/200

Cleaning

138
19/204

And feeding

38
19/205

Pneumatic

70
19/201

By detergent

3
19/202

Including condensing or saw action

26
19/203

And doffing

18
19/66CC

Cotton conditioning

62
19/66.1

Crimping or curling

10
19/66.2

Opposed intermeshing traveling surfaces

2
19/66T

Tow

14
19/80R

Picking

160
19/85

Beaters

11
19/86

Gripping feed

3
19/87

Multiple rotor

2
19/88

With condenser

0
19/89

With condenser

5
19/92

Intermittent feed

2
19/90

Longitudinal feed

4
19/91

Multiple rotor

1
19/93

Multiple rotor

5
19/94

Rotors

4
19/95

Screens

13
19/84

Bur removers, gripping feed

3
19/82

Disintegrators

9
19/83

Gripping

3
19/97.5

Feeding

55
19/96

Gripping feed

9
19/81

Nonrotary

66
19/97

Rotors

58
19/80A

Separator

4
19/65A

Systems

82
19/65T

Tow

21
 
 
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