IPC 7 English version D01H !A-D01H 5/88

D01H-D01H00588

SECTION D – TEXTILES; PAPER

D 01

NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING (metal threads B21; fibres or filaments of softened glass, minerals, or slag C03B 37/00; yarns D02)

D 01 H

SPINNING OR TWISTING (unwinding, paying-out, forwarding, winding, or coiling filamentary material, not intimately associated with spinning or twisting, B65H; cores, formers, supports, or holders for coiled or wound material, e.g. bobbins, B65H; twisting oakum D01G 35/00; crimping or curling of fibres, filaments, or yarns D02G 1/00; making chenille D03D, D04D 3/00; testing yarns, rovings, slivers, fibres, or fibre webs G01)

Note

Attention is drawn to the Note following the title of class D01.

Subclass Index

SPINNING OR TWISTING MACHINES

With continuous wind-up; with intermittent wind-up

D01H 1/00; D01H 3/00

Open-end spinning

D01H 4/00

Drafting machines or arrangements

D01H 5/00

Spinning or twisting arrangements

D01H 7/00

COMMON STRUCTURAL FEATURES, DETAILS, OR ACCESSORIES

Replacing bobbins; confining or removing dust or fly

D01H 9/00; D01H 11/00

Other structural features, details, or accessories

D01H 13/00

Piecing arrangements; hand tools

D01H 15/00; D01H 17/00

Kinds or types of spinning or twisting machines; Drafting machines or arrangements; Twisting arrangements

Spinning or twisting machines in which the product is wound-up continuously (open-end spinning machines D01H 4/00) [5]

ring type

flyer type

cap type

cup, pot, or disc type, in which annular masses of yarn are formed by centrifugal action

for imparting multiple twist, e.g. two-for-one twisting

Spinning by false-twisting [5]

115

using pneumatic means [5]

Details (drafting arrangements D01H 5/00; twisting arrangements D01H 7/00)

Framework; Casings; Coverings

Supports for supply packages

Driving or stopping arrangements (for open-end spinning machines D01H 4/12, D01H 4/20, D01H 4/42; safety devices D01H 13/14) [5]

for rollers (regulating or varying draft D01H 5/32)

for twisting arrangements, e.g. spindles (braking arrangements for spindles D01H 7/22; interrelated flyer and bobbin drive mechanisms D01H 7/50)

241

driven by belt [2]

242

driven by toothed wheels [2]

243

driven by friction discs [2]

244

each spindle driven by an electric motor [2]

with two or more speeds; with variable-speed arrangements

for two or more machine elements possessing different characteristics but in operative association

with two or more speeds; with variable-speed arrangements

for complete machines

with two or more speeds; with variable-speed arrangements

Package-shaping arrangements, e.g. building motions

Arrangements for winding reserve lengths of yarn on take-up packages, e.g. transfer tails

Arrangements for connecting continuously- delivered material to bobbins or the like

Guards or protectors for yarns or threads, e.g. separator plates, anti-ballooning devices (anti-ballooning devices on spindles D01H 7/18)

Spinning or twisting machines in which the product is wound-up intermittently, e.g. mules

Details (drafting arrangements D01H 5/00; twisting arrangements D01H 7/00)

Carriages; Mechanisms effecting carriage movements

Carriages; Carriage rails; Squaring motions

Drawing-out or taking-in motions

Moving-creel arrangements, e.g. for twiners

Package-shaping motions; Faller arrangements

Roller-driving arrangements (drafting arrangements of general application in spinning machines D01H 5/18)

Spindle-driving arrangements (spindles, spindle bearings, spindle supports D01H 7/04)

Tin rollers; Driving arrangements intimately associated with tin rollers

Spindle-driving arrangements during drawing-out or backing-off

Spindle-driving arrangements during taking-in

Quadrant motions; Nosing motions

Driving or stopping arrangements not otherwise provided for; Locking motions (safety devices D01H 13/14)

Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques [5]

Note

In this group, the expression "open-end spinning" covers such expressions as "break spinning", "ringless spinning", "rotor spinning" and "friction spinning", but does not cover the expression "spinning by false-twisting". [5]

imparting twist by a fluid, e.g. air vortex [5]

imparting twist by contact of fibres with a running surface [5]

co-operating with suction means (D01H 4/08, D01H 4/16 take precedence) [5]

Rotor spinning, i.e. the running surface being provided by a rotor [5]

Rotors [5]

Rotor bearings; Arrangements for driving or stopping (control therefor D01H 4/42) [5]

Rotor driven by an electric motor [5]

Friction spinning, i. e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum [5]

Friction drums, e.g. arrangement of suction holes [5]

Drum bearings; Arrangements for driving or stopping (control therefor D01H 4/42) [5]

Cleaning of running surfaces [5]

in rotor spinning [5]

in friction spinning [5]

using electrostatic fields [5]

Arrangements for separating slivers into fibres; Orienting or straightening fibres [5]

using opening rollers [5]

using air-jet streams [5]

with means for taking away impurities [5]

Channels for feeding fibres to the yarn forming region [5]

Removing running yarn from the yarn forming region, e.g. using tubes [5]

Control of driving or stopping [5]

in rotor spinning [5]

in friction spinning [5]

Piecing arrangements; Control therefor [5]

for rotor spinning [5]

for friction spinning [5]

Drafting machines or arrangements (arrangements in which draft is dependent on linear movement of take-up spindles, e.g. in mules, D01H 3/00; devices for combing or orienting fibres for open-end spinning machines D01H 4/30)

Gill boxes or other drafting machines employing fallers or like pinned bars (lubricating fibres in gill boxes D01G 29/00)

with pinned bars actuated by screw members

Intersecting gill boxes

with bars connected by links, chains, or the like

with pinned bars unconnected with each other but actuated through pressure of one against another

Details

Pinned bars

Framework; Casings; Coverings

Drafting machines or arrangements without fallers or like pinned bars

in which fibres are controlled by contact with stationary or reciprocating surfaces

in which fibres are controlled by rollers only

with porcupines or like pinned rotary members

in which fibres are controlled by one or more endless aprons

in which fibres are controlled by inserting twist during drafting (mules D01H 3/00; constructions of false-twist devices D02G 1/04)

incorporating arrangements for severing continuous filaments, e.g. in direct spinning (converting tows to slivers or yarns D01G 1/06)

Regulating or varying draft

by manual adjustments

according to a pre-arranged pattern, e.g. to produce slubs

in response to irregularities in material

employing mechanical time-delay devices

employing electrical time-delay devices

Adjusting drafting elements, e.g. altering ratch

Loading arrangements

using weights

using springs

using fluid pressure

using magnetic arrangements

Supports for drafting elements (saddles or top roller arms forming essential components of weighting arrangements D01H 5/48)

Arrangements for traversing drafting elements (traversing arrangements for roving guides D01H 13/06)

Arrangements maintaining drafting elements free of fibre accumulations

Non-rotary cleaning pads or plates; Scrapers

Rollers or aprons with cleaning surfaces

Suction devices

Suction end-catchers

Constructional features of drafting elements

Fibre-condensing guides (guides for slivers, rovings, or yarns applicable solely for spinning, twisting, curling, or crimping purposes D01H 13/04)

Rollers

Loose-boss assemblies

with flutes or other integral surface characteristics

with covers; Cots or covers

Arrangements for coupling roller sections

Porcupines

Aprons; Apron supports; Apron-tensioning arrangements

Cradles; Tensors

D01H 7/00 - D01H 17/02