CN1229865A - High silica fiber blend yarn and use thereof - Google Patents

High silica fiber blend yarn and use thereof Download PDF

Info

Publication number
CN1229865A
CN1229865A CN 99105907 CN99105907A CN1229865A CN 1229865 A CN1229865 A CN 1229865A CN 99105907 CN99105907 CN 99105907 CN 99105907 A CN99105907 A CN 99105907A CN 1229865 A CN1229865 A CN 1229865A
Authority
CN
China
Prior art keywords
silica fiber
high silica
hair
yarn
fiber blend
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.)
Granted
Application number
CN 99105907
Other languages
Chinese (zh)
Other versions
CN1093574C (en
Inventor
赵亮
张京涛
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN99105907A priority Critical patent/CN1093574C/en
Publication of CN1229865A publication Critical patent/CN1229865A/en
Application granted granted Critical
Publication of CN1093574C publication Critical patent/CN1093574C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

A blended high-siloxy fibre yarn is made up of high-siloxy staple and glass staple or organic fibre through mixing, carding, ring spinning to obtain single yarn, and folding to obtain folded yarn. The single or folded yarn can be used to weave fabrics or other products, and features multiple kinds, wide adjustable range of counts, high strength and flexibility, and high productivity.

Description

A kind of high silica fiber blend yarn and application thereof
The present invention relates to fiber and fibre thereof, more specifically say so a kind of high silica fiber blend yarn and goods thereof.
The high silica fiber textiles is widely used in fields such as fire-resistant, fire prevention, insulation, high temperature protection and the elevated-temperature seal that long-term serviceability temperature is no more than 1000 ℃.Existing high silica fiber goods are to be raw material with the sodium borosilicate glass fibre, and goods such as fiber or woven cloth, band are carried out acid leach, make the Na in the fiber 2O and B 2O 3Change in the solution, the fiber that stays is the silica skeleton with microcellular structure, makes the micropore closure through high temperature sintering again, makes high silica fiber and textiles thereof.General high silica fiber yarn is staple-fibers yarns, and the fiber yarn count is thin, kind is few, intensity is low, is unsuitable for weaving; And have the shortcoming that kind is few, intensity is low equally through the high silica fiber textiles that acid leach and high temperature sintering are made, influence the service life of product, thereby limited its scope of application.
The objective of the invention is to overcome the prior art shortcoming, provide that a kind of to cut high silica fiber be main raw material and add the weak point that a certain amount of technology auxiliary material makes and cut high silica fiber blend yarn with short, can directly make respective fabric or goods by it, enhance productivity, increase the kind of yarn, enlarge the yarn count thickness adjustable range, increase the kind quantity and the range of application of its corresponding goods, by selecting the technology auxiliary material, make the high silica fiber blend yarn that makes to have characteristics such as noninflammability or pliability respectively simultaneously.
The main technical schemes that realizes the object of the invention is: with weak point cut high silica fiber mix in proportion with the technology auxiliary material and spray into close crude oil after, through overmulling hair and surface treatment, enter carding process, and add the reinforcement silk simultaneously, make the wool top cake, the wool top that goes out with the unwinding of wool top cake or add the reinforcement silk more simultaneously and spin at ring spinning process makes single thread then.
The used weak point of high silica fiber blend yarn of the present invention is cut SiO in the high silica fiber 2Content is preferably 92%-99%, and the addition of itself and technology auxiliary material is respectively 65-95% and 5-35% (is 100 by both weight sums).
The preparation method of high silica fiber blend yarn of the present invention comprises mixed hair, carding, ring ingot technical process, and concrete steps are as follows:
1. mix hair: in the Mao Hemao device of shop, spread hair earlier, promptly earlier weak point is cut high silica fiber and the alternate shop of technology auxiliary material layering is put on the hair curtain, every shop hair one deck all will spray the adduction crude oil equably, close the crude oil addition by the 0.5-1.5% of shop hair gross weight, start a hair curtain then, will spread hair and send into and mix a hair device and obtain mixing mao.
2. carding: the mixed hair that (1) step makes is sent into combing machine for fur, become net, fluffing cuts down fleece, add the reinforcement silk simultaneously, the quantity of reinforcement silk and corresponding with leather strap at interval will be sneaked into the fleece of reinforcement silk then and be sent into sett frame, and fleece is divided into the fleece bar by leather strap, and each fleece bar contains a reinforcement silk, the fleece bar with enter washboard after leather strap separates, twisting becomes wool top, makes the wool top cake at last;
3. ring ingot: the wool top that the wool top cake unwinding that (2) step is made goes out does not carry out false twisting, directly enter pressure mechanism, or adding reinforcement silk together enters pressure mechanism when wool top directly enters pressure mechanism, really twist with the fingers then, making specification is 250-2500TEX, i.e. the single thread of 250-2500 gram/km.
The described technology auxiliary material of step (1) can be selected short glass fiber or organic fiber, when making the noninflammability product, preferably selects short glass fiber; Short glass fiber can be selected the short-cut middle-basicity glass fibre, short cut alkali-free glass fibre or shortly cut in the high-temperature glass fibre any one; By selecting different technology auxiliary materials can improve the spinnability of high silica fiber and the intensity or the pliability of high silica fiber blend yarn, increase product variety and adjust its resistance to elevated temperatures, to adapt to different needs, prolong the service life of product simultaneously; It is described that to close the trade mark that crude oil can select for use China Textile Science Inst. to produce be the product of FA-cashmere-901.
The described reinforcement silk of step (2) is a continuous glass fibre, is generally continuous alkali-free glass fibre, medium-alkali glass fibre, high-temperature glass fibre or high silica fiber; The adding of this reinforcement silk is except the intensity that can improve high silica fiber blend yarn, and the fleece bar is easy to into line in the time of can also making carding, reduces broken string and operate miss.
Step (3) is if described ring spinning process adds the reinforcement silk, can select diameter is the 0.08-0.18mm wire, comprise copper wire, stainless steel wire or high-temperature resistant nickel-chrome alloy silk, also continuous glass fibre be can select, continuous medium-alkali glass fibre, alkali-free glass fibre, high-temperature glass fibre or high silica fiber comprised; The adding of this reinforcement silk can improve the normal temperature strength or the elevated temperature strength of product.
The adding mechanism of shop Mao Hemao device, combing machine for fur, sett frame, ring doubling machine and reinforcement silk that the present invention is used adopts application number 94115505.6 disclosed technology.
The application of high silica fiber blend yarn of the present invention, single thread can be adopted common buncher or 2-4 thigh single thread is synthesized one, or itself and other inorganic yarn or organic yarn (or silk) pooled capital, batch, obtain the yarn finished product, then by prior art directly in order to weave or to make up goods, comprise cloth, band, curtain, fill up, turn round rope, three stranded rope, low-density slack rope, sennit, packing or sleeve pipe.
Further specify process of the present invention below in conjunction with accompanying drawing.
Fig. 1 is a process flow diagram of the present invention;
Fig. 2 is for mixing hair process flow schematic diagram;
Fig. 3 is the carding process schematic flow sheet;
Fig. 4 is the ring spinning process schematic flow sheet.
As shown in Figure 1, chopped high silica fiber (1-1) and technique auxiliary material (1-2) in proportion layering laid and spray into close crude oil (1-3) after, through mixed hair (1-4) and surface treatment (1-5), enter carding process (1-7), add reinforcement silk (1-6) at this simultaneously, make the wool top cake, enter again ring spinning operation (1-9), can add reinforcement silk (1-8) simultaneously this moment as required again, make single thread, remove again plying (1-10) with single thread, batch (1-11), obtain at last the yarn finished product, be directly used in Woven fabric or other goods.
As shown in Figure 2, in mixed hair operation, take out a mao blower fan (2-4) as the boundary take first, before for spreading the Mao Hemao device, [comprise that first takes out a mao blower fan (2-4)] afterwards and be a mixed mao device. First that chopped high silica fiber is alternate with the layering of technique auxiliary material laid on hair curtain (2-1), every shop one deck all will spray the adduction crude oil equably, then open unhairing curtain (2-1), drive and spread hair and send into wool press roller (2-2), its interval from up-down rollers is passed through, enter barbing roller (2-3), and take out the centrifugal collection bucket of a mao blower fan (2-4) suction (2-5) by first, transport into mixed hair roller (2-7) through hair curtain (2-6) again, after stripper roller (2-8), take out a mao blower fan (2-9) with mixed fiber suction feed bin by second again.
As shown in Figure 3, mixed hair is through feeding hair bucket (3-1) upper pass a bridge (3-2), deliver to wool-opening roller (3-3), to mix hair gets on the breast cylinder (3-4), form fleece, through the upper large cylinder (3-6) of transferring roller (3-5), after wind wheel (3-7) fluffing, floating fleece is taken out by cylinder doffer (3-8), cut down fleece and upper fleece gap bridge (3-10) by die (3-9) again, fleece gap bridge (3-10) traction fleece advances, enter net axle (3-12), namely begin to enter sett frame, reinforcement silk (3-11) adds at the same time, and quantity and spacing are corresponding with leather strap, fleece bar (3-17) is cut apart by leather strap in sett frame, separate rear upper washboard (3-13) with leather strap, again through roller (3-14) and strip guide wheel (3-15), make at last the wool top cake (3-16) that contains reinforcement silk (3-11).
As shown in Figure 4, left and right sides wool top cake (4-2,4-4) each is relative, vertically be arranged in respectively in the fossula that forms between left roller (4-1), right roller (4-5) and the middle roller (4-3), and under driving, does by roller in the same way initiatively unwinding, do not carry out false twisting, directly entering pressure mechanism is between roller (4-7) and the roller (4-8), if add simultaneously as required reinforcement silk (4-6) this moment, then it enters pressure mechanism with wool top, then begin true sth. made by twisting, and then make single thread.
Advantage of the present invention and effect:
The present invention is take chopped high silica fiber as primary raw material, adding a certain amount of technique auxiliary material makes and has high-tensile high silica fiber blend yarn, can directly make various fabrics and goods by it, technical process is simple, production efficiency is high, yarn wide in variety, intensity is high, and can by adjusting and selecting different technique auxiliary material and content thereof, produce various products, to adapt to the needs of different purposes, increased the kind quantity of goods, because the yarn count thickness adjustable extent that makes is large, be beneficial to its application simultaneously, expanded its application; The selection short glass fiber is made the technique auxiliary material, can produce to have non-flame properties high silica fiber blend yarn; Select organic fiber to make the technique auxiliary material, can produce the good high silica fiber blend yarn of pliability. Special equipment and technology that the present invention uses, simple, safe and reliable, the mixed yarn steady quality that makes can replace aluminum silicate ceramic refractory fibre yarn and goods thereof 1000 ℃ of following serviceability temperatures.
Percentage of the present invention is percetage by weight.
The following example will further specify the present invention.
Example 1
This example is that to adopt dioxide-containing silica be that 96% weak point is cut high silica fiber (8 microns of fibre diameters, 60 millimeters of fibre lengths) and short alkali-free glass fibre (6 microns of the fibre diameters of cutting, 40 millimeters of fibre lengths) be main raw material, both weight ratios are 80: 20, closing the trade mark that crude oil selects for use China Textile Science Inst. to produce is the product of FA-cashmere-901, addition for shop mao gross weight 1.5%.
1. mix hair: two-layer and short to cut three layers of layering of high silica fiber alternate be that glass fibre is placed on second and the 4th layer by the short alkali-free glass fibre of cutting, mao curtain is gone in the shop, every shop one deck sprays equably and once closes crude oil, the frame of 4000 * a 600 * 400mm is all established on each mao curtain top, two hair curtains one are opened one and are stopped, by technological process shown in Figure 2, and the shop Mao Hemao device that adopts application number 94115505.6 to propose, mix hair and produce continuously, obtain mixing hair;
2. carding: by technological process shown in Figure 3, the combing machine for fur and the sett frame equipment that adopt application number 94115505.6 to propose.
Wool-opening roller speed is V in the combing machine for fur 0, breast cylinder speed is V 1, transferring roller speed is V 2, big cylinder speed is V 3, wind wheel speed is V 4, the ratio of these speed is: V 0/ V 1=1/2.98, V 1/ V 2=1/2.39, V 2/ V 3=1/2.03, V 3/ V 4=1/1.05; The reinforcement silk adopts continuous alkali-free glass fibre yarn (67.5TEX, i.e. 67.5 gram/kms), and sett frame is 120, can produce 120 hair cakes simultaneously, and each one up and down of location-plate is gone up for every and beaten 60 in the hole that diameter is 2mm, wears to add glass fibre usefulness; Creel respectively is equipped with 60 fiber tube axles up and down, and divide three rows to install in differing heights, 20 of every rows, totally four on sliver wheel shaft is gone up each 30 of cover strip guide wheels for every, and strip guide wheel not only traverses but also rotate with the sliver wheel shaft, every corresponding washboard of sliver wheel shaft, a roller, the corresponding fleece bar of each strip guide wheel and a reinforcement continuous glass fibre produce a wool top cake;
3. ring ingot:, adopt the ring doubling machine of the transformation of the way that application number 94115505.6 proposes by process chart shown in Figure 4.
In the ring doubling machine, about each 80 ingot, the cancellation false twisting, three rollers are and turn clockwise, initiatively transmission, totally 81 of anti-balloon plates, each cover about the fiber tube frame, each 80 and word order about the fiber tube axle, it is 0.12mm stainless steel wire (SUS310S) that the reinforcement silk is selected diameter for use, and the single thread specification that makes is 2500TEX, and serviceability temperature reaches 1000 ℃, and good high-temperature intensity is arranged, and single end strength sees Table 1.
Example 2
This example does not add the reinforcement silk in ring spinning process.
It is that 96% weak point is cut high silica fiber (8 microns of fibre diameters, 60 millimeters of fibre lengths) and cut high-temperature glass fibre and (contain SiO with short that this example adopts dioxide-containing silica 264%, 8 microns of fibre diameters, 40 millimeters of fibre lengths) be main raw material, both weight ratios are 80: 20, close the crude oil addition by shop hair gross weight 1.3%, other condition is with example 1.
Process of this example and example 1 are basic identical, just do not add the reinforcement silk in the ring spinning process of step (3).
The prepared product serviceability temperature of this example reaches 1000 ℃.And has good electrical insulation properties.
Example 3
It is that 96% weak point is cut high silica fiber (8 microns of fibre diameters that this example adopts dioxide-containing silica, 60 millimeters of fibre lengths) with viscose (1.5 microns of fibre diameters, 38 millimeters of fibre lengths) be main raw material, both weight ratios are 80: 20, close the crude oil addition by shop hair gross weight 1.2%, other condition is with example 1, and the single thread specification that makes is 2500TEX.
Process of this example and example 1 are basic identical, just replace weak point to cut alkali-free glass fibre with viscose in coner's preface, and operation is identical.
The prepared product serviceability temperature of this example reaches 1000 ℃, and single end strength sees Table 1.
Example 4
It is that 96% weak point is cut high silica fiber (8 microns of fibre diameters, 60 millimeters of fibre lengths) and lacked and cuts high-temperature glass fibre and (contain SiO that this example adopts dioxide-containing silica 264%, 6 microns of fibre diameters, 40 millimeters of fibre lengths) be main raw material, both additions (is 100 by both weight sums) are 80: 20, other condition is with example 1.
The process of this example is with example 1, and the prepared single thread specification of this example is 2500TEX, and serviceability temperature reaches 1000 ℃, and single end strength sees Table 1.
Example 5
This example is the application example of product of the present invention.
The common buncher of blended single yarn that example 1 is obtained is combined into one with its 2 strands, weaves high temperature resistant adiabatic cloth by known technology, the smooth cleaning of product, and maximum operation (service) temperature reaches 1000 ℃.
Embodiment 6
This example is the application example of product of the present invention.
The suspension type braiding machine that adopts application number 96201368.4 to propose, the blended single yarn that obtains with example 1 is woven into high temperature resistant round sennit, and 1000 ℃ of maximum operation (service) temperatures can be used for the kiln oven door sealing.
Table 1 single thread tensile strength
Example Tensile strength/newton
Normal temperature ????400℃ ????600℃ ????800℃ ???1000℃
Example 1 example 3 examples 4 ??22.8 ??20.4 ??21.9 ????20.2 ????15.8 ????20.6 ????14.6 ????12 ????18.5 ????9.3 ????8.8 ????14.2 ????6.3 ????6.2 ????6.6

Claims (8)

1. high silica fiber blend yarn comprises the product that is made by following technical process:
(1) mixes hair: in the Mao Hemao device of shop, spread hair earlier, promptly earlier weak point is cut high silica fiber and the alternate shop of technology auxiliary material layering is put on the hair curtain, every shop hair one deck all will spray the adduction crude oil equably, close the crude oil addition by the 0.5-1.5% of shop hair gross weight, start a hair curtain then, will spread hair and send into and mix a hair device and obtain mixing mao;
(2) carding: the mixed hair that (1) step makes is sent into combing machine for fur, become net, fluffing cuts down fleece, add the reinforcement silk simultaneously, the quantity of reinforcement silk and corresponding with leather strap at interval will be sneaked into the fleece of reinforcement silk then and be sent into sett frame, and fleece is divided into the fleece bar by leather strap, and each fleece bar all contains a reinforcement silk, the fleece bar enters washboard after being separated by leather strap, and twisting becomes wool top, makes the wool top cake at last;
(3) ring ingot: the wool top that the wool top cake unwinding that (2) step is made goes out directly enters pressure mechanism or add the reinforcement silk when wool top enters pressure mechanism and together enters pressure mechanism, really twist with the fingers, making specification is 250-2500TEX, i.e. the single thread of 250-2500 gram/km.
2. according to the described high silica fiber blend yarn of claim 1, it is characterized in that described weak point cuts the content of high silica fiber and technology auxiliary material (is 100 by both weight sums) and be respectively 65-95% and 5-35%.
3. according to the described high silica fiber blend yarn of claim 1, it is characterized in that described weak point cuts SiO in the high silica fiber 2Content is 92%-99%.
4. according to the described high silica fiber blend yarn of claim 1, it is characterized in that described technology auxiliary material comprises short cut alkali-free, middle alkali, high-temperature glass fibre or organic fiber.
5. according to the described high silica fiber blend yarn of claim 1, it is characterized in that the described reinforcement silk of step (2) carding process is a continuous glass fibre, comprise continuous alkali-free, middle alkali, high-temperature glass fibre or high silica fiber.
6. according to the described high silica fiber blend yarn of claim 1, it is characterized in that the described reinforcement silk of step (3) ring spinning process is wire or continuous alkali-free, middle alkali, high-temperature glass fibre or high silica fiber.
7. according to the described high silica fiber blend yarn of claim 6, it is characterized in that described wire comprises copper wire, stainless steel wire or high temperature nickel chromium alloy wire, its diameter is 0.08-0.18mm.
8. according to the application of the described high silica fiber blend yarn of claim 1, it is characterized in that the single thread that will make synthesizes one with common buncher or with 2-4 thigh single thread, or with itself and other organic yarn or inorganic yarn (or silk) plying, make the yarn finished product, directly weave or assembling-disassembling with them, comprise cloth, band, curtain, fill up, turn round rope, three stranded rope, low-density slack rope, sennit, packing or sleeve pipe.
CN99105907A 1999-04-23 1999-04-23 High silica fiber blend yarn and use thereof Expired - Fee Related CN1093574C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN99105907A CN1093574C (en) 1999-04-23 1999-04-23 High silica fiber blend yarn and use thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN99105907A CN1093574C (en) 1999-04-23 1999-04-23 High silica fiber blend yarn and use thereof

Publications (2)

Publication Number Publication Date
CN1229865A true CN1229865A (en) 1999-09-29
CN1093574C CN1093574C (en) 2002-10-30

Family

ID=5272178

Family Applications (1)

Application Number Title Priority Date Filing Date
CN99105907A Expired - Fee Related CN1093574C (en) 1999-04-23 1999-04-23 High silica fiber blend yarn and use thereof

Country Status (1)

Country Link
CN (1) CN1093574C (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101654834B (en) * 2009-07-10 2011-08-31 江苏恒州特种玻璃纤维材料有限公司 Production technique of high silica glass fiber mesh cloth
CN101654854B (en) * 2009-07-10 2011-12-28 江苏恒州特种玻璃纤维材料有限公司 High-temperature resistant glass fiber cloth and fabricating technique thereof
CN107523911A (en) * 2017-09-06 2017-12-29 无锡富仕德高科特材制造有限公司 High silica doubled yarn of type containing reinforcement and preparation method thereof
CN109183224A (en) * 2018-11-14 2019-01-11 东台市华阳玻纤有限责任公司 A kind of automobile brake resurrection glass fibre braided material
CN109234879A (en) * 2018-11-09 2019-01-18 东台市华阳玻纤有限责任公司 A kind of Ya Geli yarn applied to sealing material braiding packing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4921756A (en) * 1989-03-03 1990-05-01 Springs Industries, Inc. Fire resistant balanced fine corespun yarn and fabric formed thereof
CN1112971A (en) * 1994-09-07 1995-12-06 赵亮 Method for making yarns by using aluminium silicate refractory fibre as raw material

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101654834B (en) * 2009-07-10 2011-08-31 江苏恒州特种玻璃纤维材料有限公司 Production technique of high silica glass fiber mesh cloth
CN101654854B (en) * 2009-07-10 2011-12-28 江苏恒州特种玻璃纤维材料有限公司 High-temperature resistant glass fiber cloth and fabricating technique thereof
CN107523911A (en) * 2017-09-06 2017-12-29 无锡富仕德高科特材制造有限公司 High silica doubled yarn of type containing reinforcement and preparation method thereof
CN109234879A (en) * 2018-11-09 2019-01-18 东台市华阳玻纤有限责任公司 A kind of Ya Geli yarn applied to sealing material braiding packing
CN109183224A (en) * 2018-11-14 2019-01-11 东台市华阳玻纤有限责任公司 A kind of automobile brake resurrection glass fibre braided material

Also Published As

Publication number Publication date
CN1093574C (en) 2002-10-30

Similar Documents

Publication Publication Date Title
CN103243439B (en) Flexible smooth yarn and production method thereof
CA1043998A (en) Roving and process for its manufacture
CN104120525B (en) Ultrahigh molecular weight polyethylene yarn and its processing method
CN102797085B (en) High-strength vinylon blended yarn and processing method thereof
CN101979735A (en) Bamboo fiber and combed cotton compact siro spinning technology
CN102465377A (en) Process for manufacturing kapok fiber blended yarns
CN106555265A (en) A kind of antibacterial flame-retardant yarn and its production technology
KR101869412B1 (en) Process Of Producing Siro―Spun Compact Yarn Having Excellent Uniformity And Friction Resistance
CN108728967A (en) Looping structure flax, polyester filament section coloured silk composite yarn processing method and composite yarn
CN1093574C (en) High silica fiber blend yarn and use thereof
CN1223161A (en) Multi-function glass fibre composite filter material and making method
CN104593907B (en) A kind of crush cutting system method of short-staple
CN113668110A (en) Production method of nylon-6 green environment-friendly cotton-like DTY
CN101871146A (en) Modacrylic, chinlon and combed cotton blended flame-retardant yarn
CN111472075A (en) Blended spun yarn, production method thereof and fabric formed by same
CN108823725B (en) Preparation method of ultrahigh fiber density polyester fiber
CN1089126C (en) Non-inflammability blend yarn and use thereof
CN102787410A (en) Intermittent overfeeding composite spinning device with symmetrical inclined plane groove and method
CN107151841B (en) Metal alloy fiber yarn and short-process technological method thereof
CN111501153B (en) Novel colorful sisal yarn and spinning method thereof
CN108728970A (en) A kind of polyamide fibre strand is twisted together the complex yarn and preparation method thereof of short rayon fiber yarn
CN112538673B (en) Open-end spinning and production method and application thereof
CN1232100A (en) High temp. resistance blended yarn and use thereof
CN107142576A (en) A kind of method and fibre-opening unit that colorful complex yarn is prepared using leftover bits and pieces of weaving
CN110067059B (en) Production method of composite blended yarn

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20021030