CN104357972A - Spinning method for double aggregation of strand fibers - Google Patents

Spinning method for double aggregation of strand fibers Download PDF

Info

Publication number
CN104357972A
CN104357972A CN201410556327.7A CN201410556327A CN104357972A CN 104357972 A CN104357972 A CN 104357972A CN 201410556327 A CN201410556327 A CN 201410556327A CN 104357972 A CN104357972 A CN 104357972A
Authority
CN
China
Prior art keywords
yarn
spinning
heavy
back shaft
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410556327.7A
Other languages
Chinese (zh)
Inventor
徐卫林
刘可帅
余豪
李文斌
郭维琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Textile University
Original Assignee
Wuhan Textile University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Textile University filed Critical Wuhan Textile University
Priority to CN201410556327.7A priority Critical patent/CN104357972A/en
Publication of CN104357972A publication Critical patent/CN104357972A/en
Pending legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70Constructional features of drafting elements
    • D01H5/72Fibre-condensing guides
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H1/00Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14Details
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H1/00Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14Details
    • D01H1/16Framework; Casings; Coverings ; Removal of heat; Means for generating overpressure of air against infiltration of dust; Ducts for electric cables
    • D01H1/162Framework; Casings; Coverings ; Removal of heat; Means for generating overpressure of air against infiltration of dust; Ducts for electric cables for ring type

Abstract

The invention proposes a spinning method for double aggregation of strand fibers, particularly relates to a spinning device which is additionally mounted on the existing spinning equipment to be used for performing double aggregation processing on the strand fibers, and belongs to the technical field of textile processing. A pre-aggregation device is additionally mounted at a front draft zone of a ring spinning frame, strands are input into the pre-aggregation device through a grasping and holding vice jaw jointly consisting of an upper rubber ring and a lower rubber ring, the strands which are pre-aggregated through the pre-aggregation device are output from a front vice jaw consisting of a front leather roll and a front roller, and the strands which are aggregated through the re-aggregation device pass through a guide wire, a steel collar and a steel traveller to be wound on a ring bobbin. The harmful hairiness of 3 mm on the surfaces of yarns which are spun by the spinning method disclosed by the invention is greatly reduced, and the strength of the yarns is much higher than that of the yarns which are spun by the traditional spinning technique.

Description

The spinning method of the dual gathering of a kind of yarn fiber
Technical field
The present invention proposes the spinning method of the dual gathering of a kind of yarn fiber, concrete is exactly by installing a set of spinning apparatus yarn fiber heavily being gathered to process on existing spinning equipment additional, belongs to technical field of textile processing.
Background technology
Spinning process is basis and the key link of whole textile industry, spinning link produce yarn quality directly determine crudy and the efficiency of the subsequent product of yarn, as sizing, weaving efficiency and final cloth cover effect etc.The RING SPINNING that 19 beginnings of the century occurred has established the basis of resultant yarn process technology in modern age, filoplume and bar dry be weigh the important indicator of yarn qualities, also be the index that standard GB/T/T398-93 specifies quality of spun yarn, yarn strength, bar are done and filoplume not only affects the production efficiency of the rear operation such as woven, knitting, and affect the presentation quality of final products, particularly shuttleless loom today of generally applying, reduce Yarn filoplume, improve yarn strength tool in actual production and be of great significance.
At minimizing Yarn filoplume, improve in yarn strength, domestic and international many spinstry persons do excessive quantifier elimination, and have developed much novel spinning technique, as Seluofle spin, SEILE textile, compact spinning, solo spun, the spinning technique such as integrated composite spinning, these spinning methods have greatly enriched spinning processing means, significantly improve yarn qualities.Such as: compact spinning is a kind of spinning method invented for improving filoplume quality, the motion controlling to twist fiber in yarn by adopting the mode such as negative-pressure air-suction or magnetic force pressurization reduces the chance of Yarn filoplume formation, improve thread density, reduce Yarn filoplume, improve yarn strength.Although Advance of Compact Spinning Technology significantly can reduce Yarn filoplume, improve yarn strength, but in actual production, also encounter a lot of problem, as needed to produce high negative air draught to the control of yarn in actual production process, this energy consumption larger for textile mills' needs, and ingot gap ratio is larger, in spinning process, rove can not traversing, in single-point friction between rove and roller, exacerbate the consumption of roller, simultaneously due to the cause of negative-pressure air-suction, to spinning high grade yarn Yarn filoplume, powerful effectiveness comparison obviously, but just poor for coarse yarn effect.Integrated composite spinning is also a kind of novel spinning spinning of inventing for reducing Yarn filoplume, because the method can realize in fine spining machine many places, therefore the method realizing compact spinning is different, wherein Switzerland Reiter(power reaches) company adds a pneumatic Nesting Zone between draw zone and yarn, fibre bundle one drafted in this region leaves and grips control and the compression that namely jaw is subject to negative-pressure air-flow, after this compression, twist triangle zone below is not existed, fibre bundle is subject to good boundling and controls, and then improves yarn qualities; The compact spinning of Germany's compact spinning of Suessen company and Rieter company is similar, also be installed a set of elimination spinning triangular zone additional outside common ring spindle spinning frame front roller nip line, make the Pneumatic buncher that fibers parallel stretches simultaneously, the motion of drawing fibre bundle is effectively controlled, difference is that this Pneumatic buncher can carry out random installation and removal, is convenient to transform traditional ring spinning equipment; Rotorcraft company of Switzerland to gather ring spinning apparatus be front leather roller and draw yarn roller and be pressed on front roller, accurate condenser between the two, inhaled on front roller surface by strong permanent magnet, form the fiber channel of a cross-sectional constriction, by the fiber channel of tightening device, be transported to safely and drawn yarn jaw.Above-mentioned Reiter(power reaches) compact spinning of company and German Suessen company have employed negative-pressure air-flow aggregation method, the method is adopted to need to consume a large amount of electric energy, although the compact spinning of Rotorcraft company of Switzerland have employed machinery, magnetic type aggregation method, but because the method limits the traversing of rove in actual production use procedure, therefore causing between rove and roller is single-point friction, exacerbates the consumption of roller.China Patent Publication No. CN103757762A, publication date on April 30th, 2014, denomination of invention is a kind of spinning method yarn being carried out to whole fibre, which disclose a kind of spinning method yarn being carried out to whole fibre, the method is on the basis of ring spinning technology, a kind of device yarn being carried out to whole fibre process is installed additional in Spinning Draft Zone, add the control of counter extensioin district fiber, the yarn reduced gradually number of fiber plays smoothes out with the fingers suitable effect, the path of contact of device position foremost closely front leather roller and front roller, significantly can reduce resultant yarn filoplume, improve Spinning Evenness and yarn strength, reduce Yarn twisting trigonum edge fibers simultaneously and siphoned away the phenomenon becoming bellows flower by cotton suction duct, be conducive to improving spun yarn row yielding, but the method can only control the fiber of Spinning Draft Zone, to front jaw fiber out without any management, particularly enter the fiber of spinning triangular zone without constraint, the method is obvious not to the effect improving ring spun yarn line.
  
Summary of the invention
For above-mentioned Problems existing, the present invention proposes a kind of spinning method yarn fiber being carried out to dual gathering, to achieve these goals, its technical solution is:
The spinning method of the dual gathering of a kind of yarn fiber, on the spacing block being included in ring throstle front draft zone or reel cage installs whole fine treating apparatus additional, the whole fine treating apparatus of gripping jaw input that yarn consists of jointly lower cushion rubber and upper cushion rubber, gather and yarn after autoleveller process through whole fine treating apparatus, before front leather roller and front roller composition, jaw exports, before front leather roller and front roller composition, jaw rear installs reunion acquisition means additional, after before yarn forms from front leather roller and front roller, jaw exports, enter heavy apparatus for collecting, again through twizzle, rings, steel traveler, be wound on ring bobbin.
Described heavy apparatus for collecting is made up of heavy accumulator, back shaft, support and locating wheel, heavy accumulator is formed by heavily gathering groove, thread bush, axle sleeve and locating slot, heavy accumulator is cylindric, heavily gather slot in heavy accumulator center, axle sleeve movable set is in back shaft one end, and locating wheel is that cylindrical center has through hole, and locating wheel is fixed on the other end of back shaft, back shaft is cylindric, and back shaft is fixed on support.
The groove depth of heavily gathering of described heavy accumulator is 0.1mm-1.0mm, and width is 0.1mm-1.5mm.
Owing to have employed above technical scheme, yarn in draw zone is through being arranged on the whole fine treating apparatus process of draw zone, the floating fiber on yarn surface is embedded into yarn inside by the treatment trough of whole fine treating apparatus, counter extensioin district yarn gathers in advance, reduce the yarn width that jaw in the past exports, namely reduce the width of twist triangle zone, be conducive to edge fiber twist time be twisted into yarn trunk, to yarn carry out first time gather after partly can improve yarn qualities, yarn in the past jaw enters heavy apparatus for collecting after exporting, through installing reunion acquisition means additional in twist triangle zone, edge fiber draws in by the groove that heavily gathers on heavy apparatus for collecting again, heavy accumulator is cylindric, heavy accumulator rotates around back shaft, the groove that heavily gathers in heavy accumulator centre position is also rotate, front jaw yarn out heavily gathers groove by rear to front delivering into, yarn is synchronously fed forward with heavily gathering groove, heavily gather groove to carry out gathering to yarn edge and gather, carry yarn simultaneously, effectively can reduce the width of twist triangle zone, yarn by resultant yarn is gathered again, make the floating fiber on yarn surface can embed yarn inside, the twist is passed to twist triangle zone from the bottom to top after twizzle, edge fiber is involved in yarn center along yarn axis after twisting, form surperficial 3mm and be harmful to the few high-quality yarn of filoplume, and yarn strength is significantly higher than the yarn of traditional spinning technique spinning.
Accompanying drawing explanation
Fig. 1 is operation principle schematic diagram of the present invention.
Fig. 2 is the heavy apparatus for collecting scheme of installation of the present invention.
Fig. 3 is the heavy accumulator structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, sees accompanying drawing 1,2,3.
A kind of spinning method yarn fiber being carried out to dual gathering, whole fine treating apparatus 4 is installed additional in ring throstle front draft zone, the whole fine treating apparatus 4 of gripping jaw input that yarn 1 consists of jointly lower cushion rubber 2 and upper cushion rubber 3, whole fine treating apparatus 4 can be whole fine device or condensers, the yarn 1 after process is gathered in advance through whole fine treating apparatus 4, after before forming from front leather roller 5 and front roller 6, jaw exports, through heavily gathering after treating apparatus 7 heavily gathers process, through twizzle 8, rings 9, steel traveler 10, be wound on ring bobbin 11; The described heavy treating apparatus 7 that gathers is that heavy accumulator 15, back shaft 16, support 17 and locating wheel 18 are formed, heavy accumulator 15 is formed by heavily gathering groove 19, thread bush 20, axle sleeve 21 and locating slot 22, heavy accumulator 15 is in cylindric, that heavily gathers groove 19 is positioned at heavy accumulator 7 center, axle sleeve 21 movable set is in back shaft 16 one end, and locating wheel 18 has through hole in cylindrical center, and locating wheel 18 is fixed on the other end of back shaft 16, back shaft 16 is in cylindric, and back shaft 16 is fixed on support 17.
Yarn 1 through preliminary draft inputs in front draft zone by lower cushion rubber 2 and upper cushion rubber 3, enter whole fine treating apparatus 4, the edge fibers on yarn surface is subject to whole fine treating apparatus 4 and processes in backward yarn 1 center set, be conducive to the width progressively reducing yarn 1 cross section, frictional force in yarn 1 between fiber have also been obtained enhancing, yarn 1 after horizontal boundling process, the yarn 1 after process is gathered in advance through whole fine treating apparatus 4, before front leather roller 5 and front roller 6 form, jaw exports and enters heavy apparatus for collecting 7, described heavy apparatus for collecting 7 by described heavy apparatus for collecting 7 by heavy accumulator 15, back shaft 16, support 17 and locating wheel 18 are formed, described heavy accumulator 15 is by heavily gathering groove 19, thread bush 20, axle sleeve 21 and locating slot 22 are formed, heavy accumulator 15 is in cylindric, groove 19 degree of depth of heavily gathering of heavy accumulator 15 is 0.1mm-1.0mm, width is 0.1mm-1.5mm, that heavily gathers groove 19 is positioned at heavy accumulator 7 center.Axle sleeve 21 movable set is in back shaft 16 one end, yarn 1 is through driving heavy accumulator 15 around the smooth and easy rotation of back shaft 16 by heavily gathering groove 19 after jaw before front leather roller 5 and front roller 6 are formed, locating wheel 18 has through hole in cylindrical center, locating wheel 18 is fixed on the other end of back shaft 16, back shaft 16 is in cylindric, and back shaft 16 is fixed on support 17.Yarn 1 in draw zone processes through the whole fine treating apparatus 4 being arranged on draw zone, the floating fiber on yarn surface is embedded into yarn inside by the treatment trough of whole fine treating apparatus 4, counter extensioin district yarn gathers in advance, reduce yarn 1 width that before forming from front leather roller 5 and front roller 6, jaw exports, namely the width of twist triangle zone is reduced, be conducive to edge fiber twist time be twisted into yarn trunk, to yarn 1 carry out first time gather after partly can improve yarn qualities, before yarn 1 forms from front leather roller 5 and front roller 6, jaw enters heavy apparatus for collecting 7 after exporting, through installing reunion acquisition means 7 additional in twist triangle zone, heavy apparatus for collecting 7 includes heavy accumulator 15, the edge fiber of yarn 1 draws in by the groove 19 that heavily gathers on heavy accumulator 15 again, heavy accumulator 15 is in cylindric, heavy accumulator 15 rotates around back shaft 16, the groove 19 that heavily gathers in heavy accumulator 15 centre position is also rotate, the front jaw that front leather roller 5 and front roller 6 form yarn 1 out heavily gathers groove 19 by rear to front delivering into, yarn 1 is synchronously fed forward with heavily gathering groove 19, heavily gather groove 19 pairs of yarn 1 edges to carry out gathering and gather, carry yarn simultaneously, effectively can reduce the width of twist triangle zone, yarn by resultant yarn is gathered again, make the floating fiber on yarn 1 surface can embed yarn 1 inner, the twist is passed to twist triangle zone from the bottom to top after twizzle 8, edge fiber is involved in yarn center along yarn axis after twisting, form surperficial 3mm and be harmful to the few high-quality yarn of filoplume, and yarn strength is significantly higher than the yarn of traditional spinning technique spinning.

Claims (3)

1. the spinning method of the dual gathering of yarn fiber, on the spacing block being included in ring throstle front draft zone or reel cage installs whole fine treating apparatus (4) additional, the whole fine treating apparatus (4) of gripping jaw input that yarn (1) consists of jointly lower cushion rubber (2) and upper cushion rubber (3), gather and yarn (1) after autoleveller process through whole fine treating apparatus (4), the front jaw formed from front leather roller (5) and front roller (6) exports, it is characterized in that: the front jaw rear formed at front leather roller (5) and front roller (6) installs reunion acquisition means (7) additional, after yarn (1) exports from the front jaw that front leather roller (5) and front roller (6) form, enter heavy apparatus for collecting (7), again through twizzle (8), rings (9), steel traveler (10), be wound on ring bobbin (11).
2. the spinning method of a kind of dual gathering fiber according to claim 1, it is characterized in that: described heavy apparatus for collecting (7) is by heavy accumulator (15), back shaft (16), support (17) and locating wheel (18) are formed, heavy accumulator (15) is by heavily gathering groove (19), thread bush (20), axle sleeve (21) and locating slot (22) are formed, heavy accumulator (15) is in cylindric, heavily gather groove (19) and be positioned at heavy accumulator (7) center, axle sleeve (21) movable set is in back shaft (16) one end, locating wheel (18) has through hole in cylindrical center, locating wheel (18) is fixed on the other end of back shaft (16), back shaft (16) is in cylindric, back shaft (16) is fixed on support (17).
3. the spinning method of a kind of dual gathering fiber according to claim 3, is characterized in that: groove (19) degree of depth of heavily gathering of described heavy accumulator (15) is 0.1mm-1.0mm, and width is 0.1mm-1.5mm.
CN201410556327.7A 2014-10-20 2014-10-20 Spinning method for double aggregation of strand fibers Pending CN104357972A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410556327.7A CN104357972A (en) 2014-10-20 2014-10-20 Spinning method for double aggregation of strand fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410556327.7A CN104357972A (en) 2014-10-20 2014-10-20 Spinning method for double aggregation of strand fibers

Publications (1)

Publication Number Publication Date
CN104357972A true CN104357972A (en) 2015-02-18

Family

ID=52525272

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410556327.7A Pending CN104357972A (en) 2014-10-20 2014-10-20 Spinning method for double aggregation of strand fibers

Country Status (1)

Country Link
CN (1) CN104357972A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104878483A (en) * 2015-05-26 2015-09-02 武汉纺织大学 Actively rotary grooved roller reaggregation spinning method
CN104928816A (en) * 2015-05-26 2015-09-23 武汉纺织大学 Re-collecting spinning method implemented by aid of support shaft capable of actively rotating
CN105544024A (en) * 2016-01-05 2016-05-04 安徽华茂纺织股份有限公司 Tension disc type re-gathering spinning method
CN107419384A (en) * 2017-04-05 2017-12-01 武汉纺织大学 Slot type tension pulley formula is multiple gathers Yarn spinning method and its spinning mechanism for a kind of band
CN109680371A (en) * 2019-01-14 2019-04-26 经纬智能纺织机械有限公司 A kind of device of ring throstle drawing-off winding area disk-shaped structure control fiber
CN111020760A (en) * 2019-12-06 2020-04-17 武汉纺织大学 Spinning device and process for twisting and remodeling triangular area step by using gravity-restrained fiber

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1311358A (en) * 2000-12-26 2001-09-05 东华大学 Fibre strand integrated composite device for ring spindle spinning
DE10055302A1 (en) * 2000-04-14 2001-10-25 Stahlecker Fritz Condensing section for drawn sliver at a drawing unit has a clamping roller with divided axial zones to act on the sliver and with surfaces of increased friction against the surface of the sliver transport belt
CN1962978A (en) * 2006-11-30 2007-05-16 东华大学 Double air-current tank-accumulated strand collecting device
CN101974806A (en) * 2010-11-18 2011-02-16 河北太行机械工业有限公司 Compact spinning device for ring spinning frame
CN103603102A (en) * 2013-09-29 2014-02-26 陈伟雄 Method and device for ring spinning by using negative-pressure air flow groove-gathering method
CN203513862U (en) * 2013-09-30 2014-04-02 江南大学 Four-roller and three-rove feeding three-gathering spinning device
CN103757762A (en) * 2014-01-21 2014-04-30 武汉纺织大学 Spinning method for conducting fiber arrangement on fiber bands
CN203741482U (en) * 2014-03-05 2014-07-30 江南大学 Double-gathering draft compact spinning device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10055302A1 (en) * 2000-04-14 2001-10-25 Stahlecker Fritz Condensing section for drawn sliver at a drawing unit has a clamping roller with divided axial zones to act on the sliver and with surfaces of increased friction against the surface of the sliver transport belt
CN1311358A (en) * 2000-12-26 2001-09-05 东华大学 Fibre strand integrated composite device for ring spindle spinning
CN1962978A (en) * 2006-11-30 2007-05-16 东华大学 Double air-current tank-accumulated strand collecting device
CN101974806A (en) * 2010-11-18 2011-02-16 河北太行机械工业有限公司 Compact spinning device for ring spinning frame
CN103603102A (en) * 2013-09-29 2014-02-26 陈伟雄 Method and device for ring spinning by using negative-pressure air flow groove-gathering method
CN203513862U (en) * 2013-09-30 2014-04-02 江南大学 Four-roller and three-rove feeding three-gathering spinning device
CN103757762A (en) * 2014-01-21 2014-04-30 武汉纺织大学 Spinning method for conducting fiber arrangement on fiber bands
CN203741482U (en) * 2014-03-05 2014-07-30 江南大学 Double-gathering draft compact spinning device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104878483A (en) * 2015-05-26 2015-09-02 武汉纺织大学 Actively rotary grooved roller reaggregation spinning method
CN104928816A (en) * 2015-05-26 2015-09-23 武汉纺织大学 Re-collecting spinning method implemented by aid of support shaft capable of actively rotating
CN105544024A (en) * 2016-01-05 2016-05-04 安徽华茂纺织股份有限公司 Tension disc type re-gathering spinning method
CN107419384A (en) * 2017-04-05 2017-12-01 武汉纺织大学 Slot type tension pulley formula is multiple gathers Yarn spinning method and its spinning mechanism for a kind of band
CN109680371A (en) * 2019-01-14 2019-04-26 经纬智能纺织机械有限公司 A kind of device of ring throstle drawing-off winding area disk-shaped structure control fiber
CN111020760A (en) * 2019-12-06 2020-04-17 武汉纺织大学 Spinning device and process for twisting and remodeling triangular area step by using gravity-restrained fiber

Similar Documents

Publication Publication Date Title
CN103276485B (en) A kind of multicolour embedded section of color spinning method and device thereof and product
CN104357972A (en) Spinning method for double aggregation of strand fibers
CN103556319A (en) Efficient textile technology
CN103498230A (en) Production technology of siro compact spinning covering yarn
CN103938316B (en) Device and method used for leveling ring spinning yarn hairiness
CN103757762A (en) Spinning method for conducting fiber arrangement on fiber bands
CN102965773A (en) Bright yarn spinning device and application thereof
CN102242424A (en) Method for preparing compact spun slub high count yarns
CN104746189A (en) Negative pressure guide capturing type ring spinning method
CN203212698U (en) Multi-color embedded segment-yarn spinning device
CN103409863B (en) The processing unit (plant) of network matched by a kind of rove
CN204690216U (en) A kind of three long filaments looping parallel spinning yarn feeding device in the same way
CN201686788U (en) Multi-strand spinning machine
CN105544024A (en) Tension disc type re-gathering spinning method
CN203546279U (en) Device capable of reducing yarn hairiness for ring spinning frame
CN105525403B (en) Spin viscose glue compact sirospun yarns production method
CN104372465B (en) A kind of dynamic solid gathers Fushun formula ring spinning processes
CN107177910A (en) A kind of Siro-spinning device
CN104451981A (en) Multi-compact-spinning method with multi-compact-spinning encircling arc length improving function
CN103388208A (en) Pure cotton slub elastic stocking yarn and manufacturing process thereof
CN203583071U (en) False twisting device
CN103789889B (en) Drafting primary-twist spinning method and device
CN104213276A (en) Ring spinning fuzzy yarn winding and attaching device based on double-roller rubbing and application
CN104878483A (en) Actively rotary grooved roller reaggregation spinning method
CN101509160A (en) Long staple spinning process

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150218

RJ01 Rejection of invention patent application after publication