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Class Information
Number: 225
Name: Severing by tearing or breaking >
Description: This class provides for devices for, and methods of, severing by manually forcing work against a fixed edge or by breaking or tearing, as more specifically defined below:










Class Number Class Name No. of Patents
225/93

Breaking or tearing apparatus

228
225/102

Axial twisters

17
225/94

Combined with preliminary weakener or with nonbreaking cutter

52
225/96

Preliminary weakener

191
225/96.5

With means to apply moment of force to weakened work

373
225/95

Successively actuated sharp and dull tools

11
225/98

Conveyer diverter for moving work

27
225/99

Plural divergent work paths

38
225/93.5

Including means to apply thermal shock to work

90
225/103

Movable breaking tool

341
225/104

Breaking tool intermediate spaced work supports

78
225/105

Clamping supports

77
225/97

Plural breakers

164
225/106

Web restrainer

230
225/100

Work-parting pullers (bursters)

176
225/101

Relatively movable clamps

87
225/1

Methods

137
225/3

Longitudinally of direction of feed

48
225/4

Transversely of continuously fed work

91
225/5

Progressively to or from one side edge

29
225/2

With preliminary weakening

393
225/6

Severing by manually forcing against fixed edge

31
225/55

Blade carrier bodily and slidably supported on running length work

2
225/89

Blade manually movable to or from severing position

38
225/56

Blade mounted on hand-held wound package

53
225/66

Blade carrier supports package for rotation

39
225/58

By resiliently embracing outer circumference of package

3
225/65

By resiliently engaging package ends or interior of core

31
225/57

With lead-end stripper for tacky adhesive work

5
225/59

Work supply nonrotatably wound on flanged spool

1
225/61

Blade carrier supports hollow spool for rotation

1
225/60

Circumferentially movable blade radially retained by beaded or grooved flanges

0
225/62

Flange edge notched to provide or coact with cutter

0
225/63

With clamp for lead-end of strand-type work

5
225/64

Strand clamped against flange

1
225/72

Blade movable to severing position by moving work

22
225/73

With simultaneous application of brake or clamp

5
225/74

Applied to running length work

8
225/75

Opposed movable jaws

1
225/91

Blades or severing devices

94
225/92

Adjustable blade-edge contour

3
225/9

Including means to effect bias cut

5
225/67

Movable blade continually biased toward wound web supply package

13
225/71

Blade slidably guided

5
225/69

Including stripper to separate lead-end from package

1
225/68

Including temporary bias-disabling means

0
225/70

Weight of bodily movable package contributes to blade-biasing force

2
225/34

Plural supply sources

55
225/35

On turret-type support with single blade

7
225/36

With movable blade registrable selectively with each source

2
225/37

With plural blades

11
225/38

With individual blade for each source

39
225/33

Separate blades usable alternatively or sequentially on same work supply

10
225/19

With blade-edge guard

32
225/20

Movable

41
225/82

With brake or clamp

32
225/84

Applied to running length work

15
225/85

Spaced from blade edge to provide lead-end therebetween

18
225/86

Blade manually movable to expose lead-end

2
225/87

Manually applied, spring returned

6
225/83

Thread cutter and clamp attachment for sewing machine presser foot

2
225/10

With feed-out of predetermined length from work supply

32
225/12

Including feed-out stop for manually pulled work

9
225/13

Stop abuts work edge or work-mounted article

14
225/14

With feed-out of lead-end to aid initial grasping

22
225/11

Including means to select or adjust feed-out length

19
225/16

Manually operated feed-out mechanism

51
225/15

Merely to provide lead-end for manual grasping

23
225/77

With fixed blade and support for wound package

118
225/78

Body- or belt-attached

23
225/79

With brake applied to supply package

22
225/80

With guide spaced from blade edge to provide lead-end therebetween

35
225/88

With guide for running length work

22
225/39

With housing for work supply

72
225/43

Blade on pivoted closure for housing

72
225/46

Including special support for wound supply package

82
225/47

Bearing or trunnions to engage package core

101
225/40

Liquid-, gas-, or light-tight work passage

5
225/44

Sectional telescoping housing

12
225/45

Including removable cap or sleeve enclosure for spooled work supply

10
225/48

Single blank container

57
225/49

Blade unitary with container

40
225/50

With closure fastener

15
225/51

With brake or tensioner

62
225/52

Restricted or restrictable work outlet

55
225/53

With finger-access opening to facilitate work feed-out

50
225/41

With inspection window or transparent panel

24
225/54

With internal guide

23
225/42

With mounting means for housing

63
225/17

With indicator

6
225/18

Indicates length to be severed from supply

7
225/90

With means to facilitate lead-end grasping

91
225/27

With means to hold pad or stack of individual sheets

3
225/31

Blade slidable along plane of work surface

2
225/29

With changeable blade-edge contour

1
225/30

Slidable notcher

0
225/28

With means to separate severed end of stub from supply package

4
225/23

With means to move work toward or into severing position

29
225/24

With means to strip adhering work therefrom

6
225/7

With other type severing means

8
225/8

With timer-released means for preventing work feed-out

3
225/81

With work-abutment stop

5
225/25

With work-immobilizing paster surface

35
225/26

With finger-access opening

16
225/21

Work stripped from blade by relatively movable means

11
225/22

Including movable blade

6
225/76

Wound package bodily biased toward fixed blade

3
225/32

Zigzag-folded supply package

14
 
 
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