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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING (winding or unwinding, conducting or guiding laps, webs, slivers or rovings in general, sliver or roving cans, depositing in sliver or roving cabs B65H; preparation of fibres for paper-making D21)
NOTE
-
Attention is drawn to the note following the title of Class D01.

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Severing continuous filaments or long fibres, e.g. stapling
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.
to form staple fibres not delivered in strand form
D01G 1/022
. .
{
by solvents
}
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D01G 1/025
. .
{
by thermic means, e.g. laser
}
D01G 1/027
. . .
{
by freezing
}
. .
by cutting
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.
Converting tows to slivers or yarns, e.g. in direct spinning (drafting arrangements, twisting arrangements D01H)
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D01G 1/08
. .
by stretching or abrading
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D01G 1/081
. . .
{
with preferential breaking zones
}
D01G 1/083
. . . .
{
obtained by mechanical means, e.g. by squeezing
}
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D01G 1/085
. . . .
{
obtained by thermic means
}
D01G 1/086
. . . . .
{
by freezing
}
D01G 1/088
. . . .
{
obtained by electric or electro-static means
}
. .
by cutting
Roughening of fibres
Separating, e.g. sorting, fibres (separating fibres of differing lengths in silk-dressing machines D01G 17/00; in combing machines D01G 19/00)
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Breaking or opening fibre bales
D01G 7/02
.
by means of beater arms
D01G 7/04
.
by means of toothed members
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D01G 7/06
.
Details of apparatus or machines
D01G 7/08
. .
Arrangements for feeding bales to comminuting elements
D01G 7/10
. .
Arrangements for discharging fibres
D01G 7/12
. .
Framework; Casings; Coverings; Grids
D01G 7/14
. .
Driving arrangements
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Opening or cleaning fibres, e.g. scutching cotton (scutching flax or like fibres D01B; making cellulose wadding in papermaking machines D21F 11/14)
D01G 9/02
.
by agitation within a moving receptacle
D01G 9/04
.
by means of beater arms
D01G 9/06
.
by means of toothed members
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D01G 9/08
.
by means of air draught arrangements
D01G 9/10
. .
using foraminous cylinders (foraminous suction cylinders for lap-forming D01G 25/00)
D01G 9/12
.
Combinations of opening or cleaning machines
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D01G 9/14
.
Details of machines or apparatus
D01G 9/16
. .
Feeding arrangements (fibre-feeding apparatus of general application in fibre-treating machines D01G 23/00)
D01G 9/18
. .
Arrangements for discharging fibres
D01G 9/20
. .
Framework; Casings; Coverings; Grids
D01G 9/22
. .
Driving arrangements
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Disintegrating fibre-containing articles to obtain fibres for re-use
D01G 11/02
.
Opening, unravelling, or teasing ropes or like fibrous strands to obtain fibres for re-use
D01G 11/04
.
Opening rags to obtain fibres for re-use (mechanical treatment of rags for paper-making D21B)
Mixing, e.g. blending, fibres; Mixing non-fibrous materials with fibres (mixing of fibres combined with other operations, e.g. bale-breaking of fibre-opening, see appropriate groups for such operations)
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Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines (de-burring apparatus or machines operating independently D01B)
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D01G 15/02
.
Carding machines
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. .
with worker and stripper or like rollers operating in association with a main cylinder
D01G 15/06
. . .
Garnett machines
. .
with flats or like members or endless card sheets operating in association with a main cylinder
D01G 15/10
. .
with other apparatus, e.g. drafting devices, in integral or closely-associated combination (web-dividing apparatus D01G 15/46; burr-crushing or removing arrangements D01G 15/94)
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D01G 15/12
. .
Details
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D01G 15/14
. . .
Constructional features of carding elements, e.g. for facilitating attachment of card clothing
D01G 15/16
. . . .
Main cylinders; Breasts
D01G 15/18
. . . .
Workers; Strippers; Doffers (doffers specially adapted for web dividing D01G 15/54)
D01G 15/20
. . . .
Feed rollers; Takers-in
D01G 15/22
. . . .
Fancies
D01G 15/24
. . . .
Flats or like members
D01G 15/26
. . .
Arrangements or disposition of carding elements
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D01G 15/28
. . .
Supporting arrangements for carding elements; Arrangements for adjusting relative positions of carding elements
D01G 15/30
. . . .
Bends
D01G 15/32
. . .
Framework; Casings; Coverings
D01G 15/34
. . .
Grids; Dirt knives; Angle blades
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D01G 15/36
. . .
Driving or speed control arrangements
D01G 15/38
. . . .
for use during the grinding of card clothing
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D01G 15/40
. . .
Feeding apparatus (fibre-feeding apparatus of general application to fibre-treating machines, e.g. hopper feeders D01G 23/00)
D01G 15/42
. . . .
Feeding from laps
D01G 15/44
. . . .
Intermediate feeds
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D01G 15/46
. . .
Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers (lap-forming devices D01G 25/00; fibre condensing guides D01H 5/72)
D01G 15/465
. . . .
{
Doffing arrangements for removing fibres using, or cooperating with, pneumatic means
}
D01G 15/48
. . . .
Stripping-combs
D01G 15/50
. . . .
Stripping-rollers or like devices
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D01G 15/52
. . . .
Web-dividing arrangements
D01G 15/54
. . . . .
employing doffers specially adapted for web dividing
D01G 15/56
. . . . .
employing tapes
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D01G 15/58
. . . .
Sliver or like rubbing apparatus
D01G 15/60
. . . . .
Constructions of rubbing leathers
D01G 15/62
. . . .
Slubbing-winding apparatus (winding apparatus of general application to the winding of filamentary material B65H)
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D01G 15/64
. . . .
Drafting or twisting apparatus associated with doffing arrangements or with web-dividing apparatus
D01G 15/66
. . . . .
with arrangements inserting false twist (false-twist devices D01H)
D01G 15/68
. . . . .
with arrangements inserting permanent twist, e.g. spinning
D01G 15/70
. .
Arrangements for producing decorative or fancy effects in products
D01G 15/72
. .
Arrangements for returning waste to be re-carded
D01G 15/74
. .
Air draught arrangements (air draught arrangements for stripping or for removing dust or fly D01G 15/76)
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D01G 15/76
.
Stripping or cleaning carding surfaces; Maintaining cleanliness of carding area
D01G 15/763
. .
{
by suction or blowing (D01G 15/785, D01G 15/805, D01G 15/825 take precedence)
}
D01G 15/766
. .
{
Cleaning hand tools
}
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D01G 15/78
. .
Arrangements for stripping flats
D01G 15/785
. . .
{
by suction or blowing
}
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D01G 15/80
. .
Arrangements for stripping cylinders or rollers
D01G 15/805
. . .
{
by suction or blowing
}
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D01G 15/82
. .
Arrangements for confining or removing dust, fly or the like
D01G 15/825
. . .
{
by suction or blowing
}
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D01G 15/84
.
Card clothing; Manufacture thereof not otherwise provided for (arrangements for driving carding-machine elements during grinding D01G 15/38; grinding card clothing B24B)
D01G 15/86
. .
with flexible non-metallic backing
D01G 15/88
. .
formed from metal sheets or strips
D01G 15/90
. .
Lags, e.g. for jute cards
D01G 15/92
. .
Attaching card clothing to carding elements
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D01G 15/94
.
Burr-crushing or removing arrangements
D01G 15/96
. .
Burr-crushing rollers
. .
Morel or like apparatus
Silk-dressing machines
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Combing machines
.
with pinned circles, e.g. Noble
.
with pinned cylinders, e.g. rectilinear
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D01G 19/06
.
Details
D01G 19/08
. .
Feeding apparatus
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D01G 19/10
. .
Construction, mounting, or operating features of combing elements
D01G 19/105
. . .
{
Combing cylinders (needle bars D01H 5/14)
}
D01G 19/12
. .
Devices for laying or holding fibres in combs, e.g. dabbing brushes
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D01G 19/14
. .
Drawing-off and delivery apparatus
D01G 19/16
. . .
Nipper mechanisms
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D01G 19/18
. . .
Roller, or roller and apron, devices, e.g. operating to draw-off fibres continuously
D01G 19/20
. . . .
operating to draw-off fibres intermittently
D01G 19/22
. .
Arrangements for removing, or disposing of, noil or waste
D01G 19/24
. .
Framework; Casings; Coverings
D01G 19/26
. .
Driving arrangements
D01G 19/28
. .
Air draught or like pneumatic arrangements
. .
Heating arrangements
Combinations of machines, apparatus, or processes, e.g. for continuous processing (D01G 1/06, D01G 9/12, D01G 15/46, D01G 15/94 take precedence)
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Feeding fibres to machines; Conveying fibres between machines (D01G 21/00 takes precedence; intermediate feeds in carding machines D01G 15/40)
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D01G 23/02
.
Hoppers; Delivery shoots
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D01G 23/04
. .
with means for regulating rate of feed
D01G 23/045
. . .
{
by successive weighing; Weighing hoppers
}
D01G 23/06
.
Arrangements in which a machine or apparatus is regulated in response to changes in the volume or weight of fibres fed, e.g. piano motions (arrangements in which draft is regulated in response to irregularities in fibre supply D01H)
D01G 23/08
.
Air draught or like pneumatic arrangements
Lap-forming devices not integral with machines specified above (forming mats or batts of continuous filaments for non-woven fabrics D04H)
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Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
D01G 27/02
.
with lap-roll or the like loaded to provide firm packages
D01G 27/04
.
with automatic discharge of lap-roll or the like
Arrangements for lubricating fibres, e.g. in gill boxes (processes involving the use of particular lubricants D06M 15/00)
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Warning or safety devices, e.g. automatic fault detectors, stop motions (safety devices of general application F16P; indicating devices of general application G08B)
D01G 31/003
.
{
Detection and removal of impurities
}
D01G 31/006
.
{
On-line measurement and recording of process and product parameters
}
Hand tools for treatment of fibres
Treatment of oakum
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D01G 99/00
Subject matter not provided for in other groups of this subclass
D01G 99/005
.
{
Conditioning of textile fibre during treatment before spinning (conditioning during spinning or twisting D01H 13/30)
}
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Last Modified: 10/10/2013