IPC 7 English version D01H 7/00-D01H 17/02

D01H00700-D01H01702

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)

Spinning or twisting arrangements (for open-end spinning D01H 4/00) [5]

for imparting permanent twist

Spindles (spindle bearings, supports therefor, in general F16C)

Stationary spindles with package-holding sleeves

Mounting arrangements

Spindle supports; Rails; Rail supports, e.g. poker guides

Bolsters; Bearings

Holding-down arrangements

Arrangements for coupling bobbins or like to spindles

Arrangements on spindles for suppressing yarn balloons (thread guards or protectors D01H 1/42)

Lubricating arrangements

Braking arrangements

Flyer or like arrangements (multiple-twist arrangements D01H 7/86)

Flyer constructions

arranged to guide material over exterior of legs

with guide channels formed in legs, e.g. slubbing flyers

with pressing devices

with haul pulleys or like arrangements

with traversing devices

Ring flyers

Flyer supports, e.g. rails

Arrangements coupling flyers to spindles

Drag arrangements for bobbins or flyers

Devices attached to, or integral with, flyers for temporarily increasing twist in material passing to them

Eyes or like guiding arrangements (D01H 7/46 takes precedence)

Interrelated flyer and bobbin drive mechanisms, e.g. winding-on motions for cotton-roving frames (package-building mechanisms D01H 1/36)

Ring-and-traveller arrangements

with fixed rings

with freely-rotatable rings; with braked or dragged rings

with driven rings

Rings or travellers; Manufacture thereof not otherwise provided for (hand tools for applying travellers to rings D01H 17/02)

Arrangements providing lubricant for travellers

Ring supports, e.g. ring rails (poker guides or other rail supports D01H 7/10)

Cap arrangements

Cap constructions

Arrangements for supporting caps on spindles

Bobbin-supporting arrangements, e.g. bobbin rails (poker guides or other rail supports D01H 7/10)

Cup or like arrangements

Rotary discs

Constructions of cups, e.g. spinning boxes

adapted to collect wet yarns

Casings or guards for rotary cups or the like

Spindles or yarn carriers for co-operation with rotary cups (removing yarn from centrifugal cups on to yarn carriers D01H 9/06)

Multiple-twist arrangements, e.g. two-for-one twisting devices

Hollow-spindle arrangements (D01H 7/86 takes precedence)

Arrangements with two or more twisting devices in combination (D01H 7/86, D01H 7/88 take precedence)

for imparting transient twist

Common features or details of, or accessories for, spinning or twisting machines of various kinds or types (drafting arrangements D01H 5/00; twisting arrangements D01H 7/00)

Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations (arrangements of general interest in the winding of filamentary material B65H)

for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements

Doffing arrangements integral with spinning or twisting machines

Removing yarn from centrifugal cups on to yarn carriers

Doffing arrangements independent of spinning or twisting machines

Doffing carriages

Manual cop-tube applying apparatus; Stands for cop-tube applying apparatus

for preparing machines for doffing of yarns (stop motions responsive to delivery of a measured length of material D01H 13/24)

Yarn-severing arrangements

for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations (D01H 9/10 takes precedence)

11/

Arrangements for confining or removing dust, fly, or the like (cleaning of running surfaces in open-end spinning machines D01H 4/22; separation in general B01D; cleaning in general B08B; air-conditioning F24F, e.g. by filtering F24F 3/16) [5]

13/

Other common constructional features, details, or accessories (for open-end spinning D01H 4/00) [5]

13/

Roller arrangements not otherwise provided for

13/

Guides for slivers, rovings, or yarns; Smoothing dies (fibre-condensing guides D01H 5/72)

13/

Traversing arrangements

13/

Twist arresters

13/

Tension devices

13/

Arrangements preventing snarls or inadvertent doubling of yarns (suction end-catchers D01H 5/68)

13/

Warning or safety devices, e.g. automatic fault detectors, stop motions (warning or safety devices for filamentary material, not intimately associated with spinning or like machines B65H; safety devices of general application F16P; indicating devices of general application G08B)

13/

responsive to reduction in material tension, failure of supply, or breakage, of material

13/

stopping supply only

13/

responsive to excessive tension or irregular operation of apparatus

13/

responsive to presence of irregularities in running material

13/

responsive to delivery of a measured length of material, completion of winding of a package or filling of a receptacle

13/

Arrangements facilitating the inspection or testing of yarns or the like in connection with spinning or twisting

13/

Heating or cooling arrangements

13/

Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting

13/

Counting, measuring, recording, or registering devices (in general, see in the appropriate subclass of section G, e.g. G01B)

15/

Piecing arrangements (for open-end spinning machines D01H 4/48; in machines for producing textile fabrics, see the appropriate subclasses) [5]

15/

007

for two-for-one twisting machines [5]

15/

013

Carriages travelling along the machines [5]

17/

Hand tools (cop-tube applying apparatus D01H 9/12)

17/

Arrangements for storing ring travellers; Devices for applying travellers to rings

D01H - D01H 5/88