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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

19
19/149

Article, winding

4
19/145

Different materials

9
19/145.5

Blending

109
19/145.7

By carding

33
19/145.3

Fiber to stick or rod

6
19/157

Formed silvers

71
19/159R

Coiling

134
19/159A

Can changing

114
19/160

Zigzag

5
19/161.1

Formed web

46
19/163

Zigzag

51
19/150

Silver forming

125
19/151

Fleece dividers

5
19/153

Rub aprons

2
19/152

Rub rolls

2
19/296

Web forming

135
19/300

Control means responsive to sensed condition or program

54
19/304

Fluid propelled to condenser

91
19/308

Rotary condenser

29
19/305

With fiber liberation

32
19/306

Gripping feed to fiber separator

26
19/307

Rotary condenser

6
19/299

Including continuous filaments

54
19/301

Irregular, nonuniform, or patterned receiving surface

23
19/302

Stratified or multilayer

39
19/303

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

17
19/297

With fiber sampling

5
19/298

With split lap preventing

0
19/.27

Drying

15
19/1

Liberating

6
19/2

Animal fibers

9
19/4

Feathers

2
19/3

Silk

3
19/35

Boll hulling

5
19/38

With breaker

0
19/36

With knocker roll and breaker

0
19/37

With knocker roll

2
19/5R

Decorticating

5
19/19

Apron machines

2
19/20

Depulping

2
19/21

Combinations with reciprocating brakes

2
19/34

Depulping

4
19/10

Individual stalk opening

0
19/22

Reciprocating brakes

4
19/23

Continuous feed

8
19/24

Rotary machines

11
19/25

Axially movable rotor

13
19/33

Beaters

3
19/30

Brakes and beaters

3
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

3
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

6
19/8

Depulping

3
19/6

With seed or leaf removing

6
19/39

Ginning

21
19/40

Delinting

21
19/41

Delinters

15
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

34
19/48R

Gins

35
19/48A

Disc type

2
19/50

Roller and bar

9
19/51

Laterally movable detacher

1
19/53

Rotary detacher

5
19/52

Vibratory detacher

1
19/54

Rollers

0
19/49

Rolling squeeze

1
19/55R

Saw

18
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

1
19/57

Multiple cylinders

3
19/62R

Ribs

9
19/62A

Rotary rib

1
19/64

Saw cleaners

0
19/63

Saws

4
19/61

Seed boards

0
19/56

With boll hullers

2
19/.3

Stapilizing

7
19/.56

Combined

12
19/.58

Continuously flowing work

6
19/.6

Cutting

20
19/.62

Differential speed rotary cutter

3
19/.64

Fraying (e.g., abrasive)

1
19/.35

Tension breaking

19
19/.43

Differential effect

0
19/.39

Multi-stage

3
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

43
19/.26

Strand winding

3
19/.21

Photo responsive

8
19/.23

Thickness detection

20
19/.24

Floating roll

2
19/.22

With signal

9
19/65R

Working

32
19/98

Carding

167
19/114

Card clothing

109
19/99

Card types

39
19/100

Roller worker and stripper

14
19/101

Multiple-roller worker unit

12
19/104

Stationary flat

40
19/102

Traveling flat

52
19/103

Bends

17
19/112

Cylinders

77
19/106R

Doffing

129
19/106A

Doffer comb

2
19/105

Feeding

292
19/113

Flats

63
19/108

Stripping

14
19/110

Flat

7
19/111

Traveling

33
19/109

Pneumatic

27
19/107

Waste recovering

113
19/115R

Combing

54
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

7
19/115A

Draw-off rolls

4
19/125

Overhead traveling clamp

2
19/129R

Screw gill bar

22
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

10
19/234

Half lap

10
19/216

Tuft translating type

1
19/217

Rotary

1
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

114
19/244

Apron type

61
19/248

Pressing or holding fibers against belt

9
19/250

Tensioning

4
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

7
19/253

Including specific cross-guide structure

6
19/249

With auxiliary apron support

9
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

76
19/293

Gear or friction driving

25
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

17
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

2
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

3
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

13
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

83
19/240

And speed changing

108
19/241

By belt shifting

0
19/66R

Fluid or special treatment

55
19/200

Cleaning

133
19/204

And feeding

38
19/205

Pneumatic

69
19/201

By detergent

3
19/202

Including condensing or saw action

26
19/203

And doffing

18
19/66CC

Cotton conditioning

58
19/66.1

Crimping or curling

10
19/66.2

Opposed intermeshing traveling surfaces

2
19/66T

Tow

14
19/80R

Picking

158
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

50
19/96

Gripping feed

9
19/81

Nonrotary

66
19/97

Rotors

58
19/80A

Separator

4
19/65A

Systems

74
19/65T

Tow

21
 
 
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