CN104743386A - A wide-width high-density cloth roll - Google Patents
A wide-width high-density cloth roll Download PDFInfo
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- CN104743386A CN104743386A CN201410829722.8A CN201410829722A CN104743386A CN 104743386 A CN104743386 A CN 104743386A CN 201410829722 A CN201410829722 A CN 201410829722A CN 104743386 A CN104743386 A CN 104743386A
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- fabric
- warrping
- yarn
- fabric warrping
- continuous fiber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/28—Wound package of webs
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/02—Inflatable articles
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Woven Fabrics (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
The invention relates to a wide-width high-density cloth roll. A cloth roll in which the rolling posture is good even cloth is wide in width and in which quality near a selvage part of the cloth is good is provided. The cloth roll is characterized in that the cloth roll is formed by winding a roll core with warp and weft by a cloth, wherein the cloth has a specified density, is used for air bags having plain weave and is formed by synthetic fiber composite silk yarn; the width of the cloth roll is larger than 2000 mm; the roll hardness of the center of the cloth roll is larger than 70 degrees and smaller than 93 degrees; the difference between the maximum and minimum values of the roll hardness of ends of the cloth roll is less than 10 degrees; and the roll diameter difference between the ends and the center of the cloth roll is less than 1%.
Description
Technical field
The present invention relates to the volume reeled by high-density fabric.More specifically, the present invention relates to the fabric warrping of the wide cut high-density fabric of the high-quality being applicable to air bag purposes.
Background technology
In order to relax the impact to human body in vehicle accidents, constantly advancing, to vehicles such as automobiles, air bag being installed.Expand as utilizing gas etc. when clashing into and absorb the air bag of mitigation to the impact of human body, except driver's seat air bag and co-pilot seat air bag, between the curtain airbag of side, side air bag and knee air bag, automotive seat, the safety belt airbag etc. of air bag, rear window curtain bag, rear portion seat is progressively practical.And then, in order to protect pedestrian, also studied the installation of the various air bags such as the air bag installed in the mode of the lateral expansion to vehicle.
This textile for air sacs is safety component, therefore, in order at anything thus time air bag can give full play to its function, the quality high uniformity of the fabric of pattern of wants air bag and do not have defect.
But in recent years, air bag installs that its demand increases day by day because of the arrival of the automotive society of developing country, guarantees its safety, low cost and stay in grade is important.
All the time, air bag take flat fabric to be sewn into bag-shaped make air bag the mode of production, form bag fabric construction to make the mode of production of air bag in the stage of loom.Herein, when weaving flat fabric, bag fabric, this fabric does not exist does not have defect, do not change at Width and length direction upper density, and then functionally goes up the intensity of fabric or the quality of bursting strength all even air bag from being maintained as safety component in any position is important.In addition, contribute to obtaining defect few, can stably produce and low cost and the textile for air sacs of high-quality.
Particularly when weaving the such highdensity flat fabric of textile for air sacs, especially the warp thread in the selvedge portion of fabric ends can relax, the selvedge portion of woven fabric formed concavo-convex, cause the generation of fold, the quality of fabric can be reduced.Or, exist and cannot to carry out in order to implementation efficiency, by the problem of the ever-larger diameters of longer for fabric the fabric warrping batched and so on, requiring in quality, producing and improve.In addition, along with the wide cut of loom, the concavo-convex ever-larger diameters that makes of fabric warrping diameter becomes difficulty, expects rapid solution.
So far it is also proposed the technology of the fabric warrping for making the high-quality be rolled into by highdensity textile for air sacs, such as, the method that the intensity of the following paper tube that Patent Document 1 discloses by being given for roll sheet makes volume attitude good.Although the method plays a role effectively, if but by fabric self with good form winding, cannot cannot solve at all, in addition, following Patent Document 2 discloses the method correspondingly controlling resin spray volume with the fabric warrping diameter in coiling process, but cannot be used for the fabric having got out warp thread.So, existing method is not yet dealt with problems.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 8-12196 publication
Patent documentation 2: Japanese Patent No. 3631636 publication
Summary of the invention
the problem that invention will solve
The problem to be solved in the present invention relates to the fabric warrping reeled by high-density fabric, even if provide fabric to be the also good and fabric warrping that quality near fabric selvedge portion is also good of its volume attitude of wide cut.
for the scheme of dealing with problems
The present inventor conducts in-depth research to solve the problem and repeatedly tests, found that, the hardness of the fabric warrping near the selvedge portion of high-density fabric is set to particular range, and, the concavo-convex difference of the coil diameter of fabric warrping is also set to particular range, thus the fabric warrping be rolled into by textile for air sacs of high-quality can be obtained, complete the present invention based on above-mentioned opinion.
That is, the present invention is as described below.
[1] a kind of fabric warrping, it is characterized in that, it is that the fabric wrapping of the regulation density of tabby air bag warp thread and weft yarn are made up of syntheticfibres multifilament yarn is in the fabric warrping of core, the width of this fabric warrping is more than 2000mm, coil diameter is more than 200mm, the volume hardness of this fabric warrping central portion is more than 70 ° and less than 93 °, the difference of the maxima and minima of the volume hardness of the end of this fabric warrping is less than 10 °, and the difference of the coil diameter of the end of this fabric warrping and central portion is within 1%.
[2] fabric warrping according to aforementioned [1], wherein, the fiber number of aforementioned warp thread and weft yarn is 210 ~ 750dtex, and the cover factor of aforementioned fabric is in the scope of 2000 ~ 2900.
[3] fabric warrping according to aforementioned [1] or [2], wherein, yarn tail (the fringed weft tail on the outside of selvedge) length in the selvedge portion of aforementioned fabric is 2 ~ 15mm.
[4] fabric warrping according to any one of aforementioned [1] ~ [3], it manufactures by least comprising the manufacture method of the weaving process under following condition,
(I) warp tension when weaving is 0.20cN/dtex ~ 0.45cN/dtex; And
(II) be 0.5N/cm ~ 1.5N/cm by the coiling tension of fabric wrapping when the core.
[5] fabric warrping according to any one of aforementioned [1] ~ [4], wherein, aforementioned core be more than thickness 8mm, length more than 2060mm, flatten compressive resistance (load capacity of ring flattening test) be paper tube more than 1000N/100mm width.
[6] fabric warrping according to any one of aforementioned [1] ~ [5], wherein, aforementioned warp thread and weft yarn are be selected from least one fiber in the group that is made up of polyamide-based continuous fiber and Polyester continuous fiber.
[7] fabric warrping according to aforementioned [6], wherein, aforementioned warp thread and weft yarn are be selected from least one fiber in the group that is made up of polyamide 6 continuous fiber, polyamide 66 continuous fiber, polyamide 46 continuous fiber, polyethylene terephthalate continuous fiber, polybutylene terephthalate continuous fiber, poly terephthalic acid 1,3-PD ester continuous fiber and PEN continuous fiber.
[8] air bag, it is employing the fabric of the fabric warrping be rolled into according to any one of aforementioned [1] ~ [7] at least partially.
the effect of invention
The fabric warrping be rolled into by the high-density fabric of the wide cut of air bag of the present invention is compared with the fabric warrping obtained by existing method for making, can make by there is not fold etc. in fabric width direction and the fabric warrping that is rolled into of the fabric of excellent quality, even if also show uniform characteristic in the direction of the width when being used as the base cloth of air bag.In addition, the concavo-convex of fabric warrping end produces less, and therefore major diameter winding also becomes possibility.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an example of fabric warrping of the present invention.
Detailed description of the invention
Below, the present application is described in detail.
The length of fabric warrping of the present invention is more than 2000mm, and coil diameter is more than 200mm.In addition, the volume hardness of the central portion of fabric warrping be 70 ° ~ 93 °, be more preferably 75 ° ~ 90 °, more preferably 80 ° ~ 87 °.When volume hardness is lower than 70 °, volume tension force is low, the tissue biases etc. of fabric, fabric produces fold, density unevenness, as the quality variation of fabric.In addition, when volume hardness is more than 93 °, volume tension force is too high, fabric is applied to the tension force of excessive warp thread direction, produces the possibility that the fabric properties such as pulling strengrth reduce.
Herein, " central portion " of fabric warrping refers to, width midway point with from this central point towards the scope within each 20cm in two ends.
And then the difference of hardness of the maxima and minima of the end of fabric warrping is less than 10 °, during more than 10 °, fabric often produces the wrinkle defect caused by difference of hardness.
Herein, " end " of fabric warrping refers to, from two ends towards the scope within each 20cm of central portion.
For the coil diameter of fabric warrping of the present invention, the difference of the coil diameter of central portion and end is within 1%.When this difference is more than 1%, end is more outstanding or recessed than central portion, because this coil diameter is poor, produces wrinkle defect in fabric warrping, causes forming inferior fabric.
The fiber number of the formation yarn of the formation fabric that the high-density fabric forming fabric warrping of the present invention uses is preferably 210 ~ 750dtex.Be more than 210dtex by forming the fiber number of yarn, thus the mechanical properties making it meet withstand high pressures to launch.In addition, when to form the fiber number of yarn be below 750dtex, make light weight and the good fabric of containment, and contribute to initial binding character.The total fiber number of preferred formation yarn is 230 ~ 550dtex, utilizing water, for the loom of type that compressed-air actuated power makes weft yarn fly, especially easily tackle high speed for water-jet loom, air-jet loom etc. and so on.
The cover factor forming the high-density fabric of fabric warrping of the present invention by
represent, be preferably the value of 2000 ~ 2900.Lower limit is preferably more than 2100, more preferably more than 2200.In addition, the upper limit be more preferably less than 2500, more preferably less than 2400, most preferably be less than 2300.Be more than 2000 by cover factor, for the fabric not applying smears, become low ventilative, by being less than 2900, fabric has flexibility and can not become stiff.It should be noted that, density is the warp count and the weft count that measure fabric center portion, calculates cover factor.
It should be noted that, in this specification sheets, " fabric of regulation density " refers to that cover factor is the high-density fabric of more than 2000.
The length forming the yarn tail of the high-density fabric of fabric warrping of the present invention is 2 ~ 15mm, is preferably 3 ~ 10mm, is more preferably 4 ~ 7mm.When yarn tail is longer than 15mm, there is following unfavorable condition: yarn tail turns back and is woven in fabric, or enter between fabric and fabric and cause selvedge thickening in the process of wound fabric volume.In addition, yarn tail than 2mm in short-term, can occur in weft yarn in the operation of midway and lacks and do not form the defect of fabric selvedge.
In order to the length of yarn tail being set to the length of regulation, otherwise fabric selvedge portion during to weave can not relax or the mode of tensioning adjusts warp tension, warp thread uses splicing yarn to be actv..
The splicing yarn used in the present invention uses in the fabric selvedge portion at the both ends of warp thread, for alleviating the lax yarn in fabric selvedge portion.The fiber number of the splicing yarn used is selected relative to the warp thread fiber number in ground portion to be 3 ~ 30% so less fiber numbers.Raw MAT'L is nylon 66 fiber, nylon 6 fiber, poly-ester fibres etc., preferably uses and warp thread, raw MAT'L that weft yarn is identical from the viewpoint of recirculation etc.
The number of splicing yarn is 2 ~ 24 is applicable, can use equal number at two ends, left and right, when warp thread selvedge portion lax cannot solve, also can use the quantity that left and right is unequal.Usually, each one-sided be 2 ~ 8, more preferably 4 ~ 6.Splicing yarn can be monofilament yarn, also can for multifilament yarn, during for below 33dtex, monofilament yarn is suitable in intensity.And then, can be raw silk, also can for implement false twisting processing, crispatura processing etc. silk, also can be spun yarn, also they can be combinationally used.
In addition, the leno yarn used when weaving is anchored on the outermost end of the left and right of fabric in the mode that fabric selvedge portion can not relax, usually at one-sided use 2 yarns, be organized in fabric with rotary, that yarn is alternately changed in left and right every 1 the weft yarn limit of the equilateral gripping of leno formula.When leno formula, at one-sided use several groups of lenos but not only 1 group by fastening for selvedge portion be also actv..
During the weaving of fabric of the present invention, the reed radical (the warp thread number in every 1 dent) that enters of warp thread is preferably set to 1/dent, also can be set to 2/dent.In addition, the warp thread of only fabric ends, splicing yarn can be penetrated 2/dent or its above number, incorporating into reed radical to alleviate the lax of fabric selvedge portion is also actv..
Warp tension when forming the weaving of the high-density fabric of fabric warrping of the present invention is preferably 0.20 ~ 0.45cN/dtex, is more preferably 0.24 ~ 0.40cN/dtex, more preferably 0.29 ~ 0.36cN/dtex.When warp tension is lower than 0.20cN/dtex, during weaving high density fabric, the selvedge portion of warp thread becomes easily lax, not by this lax full extension, and the item of the reason that the warp thread consumption etc. that weft yarn easily occurs when weaving causes loom to stop.In addition, when warp tension is more than 0.45cN/dtex, the power applied warp thread is excessive, becomes and easily produces fluffing, weavability, fabric quality are reduced.
In addition, tension force when fabric warrping of the present invention being wound in core is preferably 0.5 ~ 1.5N/10mm, is more preferably 0.7 ~ 1.2N/10mm, more preferably 0.8 ~ 1.0N/10mm.When coiling tension is lower than 0.5N/10mm, the volume hardness of fabric diminishes, and becomes and easily in operation thereafter, wrinkle defect occurs.In addition, when coiling tension is more than 1.5N/10mm, the power applied fabric is excessive, occurs fabric property change or fabric produce the unfavorable conditions such as concavo-convex.
When loom batches the high-density fabric forming fabric warrping of the present invention, for the mode of directly batching on loom, also can use other batch up gear.In addition, when using other batch up gear, in order to prevent selvedge thickening, with also can carrying out selvedge displacement by fabric take-off in paper tube etc.Selvedge displacement refers to, fabric is rolled onto paper tube etc. upper time, being staggered by fabric several millimeters can not overlap with fabric selvedge portion reels in the mode of same position, when not only going for utilizing the batching of other batch up gear, when can also be applicable to utilize the batching of scouring machine, cloth inspecting machine etc.
Paper tube for the high-density fabric forming fabric warrping of the present invention that reels is preferably more than length 2060mm, and preferably more than thickness 8mm, flattening compressive resistance are more than 1000N/100mm (moisture rate less than 10%).In addition, batch except using paper tube, plastics, metal core can also be used.
Coil into the high-density fabric of fabric warrping of the present invention preferably, the content of finish composition is 0.01 ~ 2.0 % by weight, is more preferably 0.05 ~ 1.5 % by weight, more preferably 0.1 ~ 0.7 % by weight.Said finish composition refers to herein, utilizes the material that organic solvent hexane extracts from fabric, for extract weight is relative to the percentum of fabric weight.When the content of finish composition is more than 0.01 % by weight, can maintain, improve the peel strength of fabric.Particularly in polyamide fabric, surfactant component contributes to oozing out of the ring-type list aggressiveness of polyamide fibre, ring-type list aggressiveness becomes to be integrated on the surface of polyamide fibre with finish composition, moderately promotes fiber slip each other, contributes to maintaining, improving pulling strengrth, peel strength.That is, as gas cell fabric, can expect the raising of gas resistance to pressure when launching, the explosion therefore contributed to when launching prevents.On the other hand, when the content of finish composition in fabric is set to below 2.0 % by weight, controls content by imparting amount and concise removal amount, suitably can maintain the pull-out resistance of the yarn in fabric.In addition, in order to make fabric qualified in burning test (FMVSS302), can not excessive mode can control with the content of finish composition.These finish compositions also can be derived from fiber Fabrication procedure, weave the operation finish and residual material given in manufacturing procedure.
The high-density fabric forming fabric warrping of the present invention also can not implement resin, elastomeric coating for air bag.In addition, also can to this fabric implement calendering processing, but should be noted that do not cause peel strength reduce, preferably do not apply calendering add building site use be good.And then textile for air sacs of the present invention also can implement resin, elastomeric coating and for air bag.Particularly for flat fabric, preferred coating weight is 5 ~ 35g/m
2the light coating of left and right, can obtain non-breathable by light coating, for bag fabric, preferred coating weight is 15 ~ 35g/m
2the light coating of left and right.When implementing coating, bursting strength becomes extremely low, but fabric, the method for weaving before the coating of the application of the invention, can produce can not produce when being coated with warp-wise wrinkle defect, width variation also less, good textile for air sacs.
The warp thread and the weft yarn that form the high-density fabric of fabric warrping of the present invention are made up of syntheticfibres.The long fibre (continuous fiber) of syntheticfibres preferably polyamide-based, Polyester.Aforementioned warp thread and weft yarn can for being selected from least one fiber in the group that is made up of polyamide 6 continuous fiber, polyamide 66 continuous fiber, polyamide 46 continuous fiber, polyethylene terephthalate continuous fiber, polybutylene terephthalate continuous fiber, poly terephthalic acid 1,3-PD ester continuous fiber and PEN continuous fiber.Can particularly preferably list: as polyamide-based fiber that is long stapled, that be made up of polyamide 6, polyamide 66 (polyamide 66), polyamide 11, polyamide 12, polyamide 610, polyamide 612, polyamide 46 (polyamide 46), their copolymer and their compound.Wherein, as Nylon66, preferably form primarily of poly fibre.Poly fibre refers to, the fusing point that 1, the 6-hexamethylenediamine by 100% and adipic acid are formed is the polyamide fibre of more than 250 DEG C.The polyamide-based long fibre used in the present invention also can for fusing point be not less than the scope of 250 DEG C, by the fiber making the copolymerization such as polyhexamethylene adipamide and polyamide 6, polyamide 6 I, polyamide 610, polyamide 6 T or blended poly-mer be formed.
The pulling strengrth forming the yarn of fabric is preferably 9.8 ~ 11.5cN/dtex.Pulling strengrth is larger when being more than 9.8cN/dtex, and the pulling strengrth of fabric is larger.From the view point of obtaining being suitable for woven stabilizing quality, the upper limit forming the pulling strengrth of yarn is 11.5cN/dtex.
Due to the relation of the thermal contraction in the process of fabric processing, the boiling water shrinkage of raw yarn is preferably 5 ~ 12%.When the boiling water shrinkage of raw yarn is more than 5%, carry out tensioning process by adding man-hour in thermal contraction, thus suppress yarn crimp, contribute to the suppression of the specific load percentage elongation of fabric.When boiling water shrinkage is too low, yarn crimp former state when weaving is reflected in fabric, therefore cannot suppress the specific load percentage elongation of fabric.The upper limit of the boiling water shrinkage of substantial raw yarn is 12%.
In addition, as long as not damaging the scope of effect of the present invention, then productivity in the Fabrication procedure in order to improve raw yarn, manufacturing procedure or characteristic and normally used various additive can also be comprised in described fiber.Such as, raw yarn containing heat stabilizer, antioxidant, light stabilizer, smooth agent, antistatic additive, plasticizer, thickening agent, pigment, fire retardant etc. can be used as yarn.
Of the present invention when weaving, also can prepare the stage of warp thread or on loom, warp thread etc. given for improving convergence, improving the finish composition of flatness, wax composition.Herein, the finish given, wax composition also can finally be contained in textile for air sacs.In addition, also can in order to fluff when preventing from weaving, warp thread disconnect and implement starching.But, preferably not to raw yarn apply any medicament ground, with without starching, without oily/be rolled into warp thread bundle without the state of wax.
During the weaving of fabric of the present invention, the loom used is water-jet loom, air-jet loom, rapier loom, multiphase loom etc., and them can be used to carry out Woven fabric.When weaving flat fabric, particularly from high speed, wide cut or mechanical price, preferred water-jet loom.The weft yarn supply mode of loom can be single injector type, also can have multiple nozzle, from the aspect of the size difference in fabric width direction when reducing the replacement of weft yarn bobbin, and preferably multiple nozzle type such as 2 nozzles.
Fabric tissue of the present invention from the excellent and quality thin of mechanical specialities, is especially plain weave.But, as fabric tissue, also can according to circumstances use the twill beyond plain weave, satin weave and their alternative construction, organize the tissue such as fabric, multiaxis tissue that mixes.
Woven fabric can in order to remove superfluous finish composition, dirt and carry out refining cleaning.In refining procedure, alkali cleaning, surfactant washing can be carried out in tepidarium, otherwise also can not carry out fine limit work to fabric refinedly.The fabric that water-jet loom roughly can not come off to finish composition, finish composition adhesion amount becomes appropriateness carries out carrying out fine limit work to fabric refinedly, easily controls the amount containing thing required for the present invention, also both economical.Finally using smooth agent, antistatic additive as the warping finish of main component, weaving process finish as finish composition by containing being preferred in fabric.In refining procedure, select refining temperature, the refining time of appropriateness.Or, utilize the woven grey cloth of water-jet loom also can not implement refining.
Then, fabric can be made to carry out drying by high temperature groove, hot cylinder, then carry out thermal finalization, thus be finish-machined to textile for air sacs.Herein, only drying just can terminate, also can implement thermal finalization after the drying.For drying and the thermal finalization of fabric, about the feeding of fabric width and warp thread direction, preferably control amount of contraction, tension force respectively, such as, use tentering formula drier etc.In order to keep lower by the specific load percentage elongation in the tensile test of fabric, preferably, select the temperature of furnace run, carry out furnace run and apply tension force and process with not letting alone its contraction.And then, preferably apply tension force quenching after a heating treatment.
The deviation forming the Width of the bursting strength of the high-density fabric of fabric warrping of the present invention is good less, little by the deviation of the Width of bursting strength, thus when launching making the product of air bag, human body can be suppressed, the impact absorbency of head changes and with the possibility of the danger in safety.
The high-density fabric forming fabric warrping of the present invention can carry out cutting to be made and is suitably used for air bag, side curtain-like air bag, rear window curtain bag, pedestrian protection airbag etc. between driver's seat air bag, co-pilot seat air bag, rear portion seat air bag, side air bag, knee air bag, automotive seat.In these air bags, the reinforcement cloth that charging blower installing port, vent section etc. can be used or the component of regulation bag expansion shape are set to the fabric identical with this textile for air sacs.In addition, when the making of air bag, use by die-cut, fusing is cut off, cut and 1 or the above-mentioned textile for air sacs of multiple being formed, its circumference is made, thus can air bag be formed, and then, making by substance or dually the air bag formed such as making of circumference can be formed.
In addition, the air bag cutting the fabric making above-mentioned air bag can combine to make with the charging blower of use gunpowder, propellant powder by air bag component.
Embodiment
Below, utilize embodiment and reference example to illustrate the present invention.
About the evaluating characteristics etc. of the fabric warrping in embodiment and reference example, implemented by following method.
(1) fiber number: obtain according to JIS-L1013:2010,8.3.1 positive quantity fiber number (public fiber number of determining under water ratio).
(2) Density: obtain according to JIS-L1096:2010, annex 11-A.
For locating of Density (warp count, weft count), employ 2 points of the intermediate point put inside 2 points inside for the distance each 20cm in two ends that locate of Width, 1 point, width midway point and each 20cm at width midway, amount to the aviation value at 5 places.
In addition, the central authorities of the warp count of fabric are the aviation value of the measured value at place of fabric center portion 5, and end is measure 2 points apart from inside each 20cm in two ends of Width, it is carried out to the aviation value of the measured value at 5 places.
(3) hardness is rolled up: use ASKER durometer C type (Polymer gauge Co., Ltd.), obtain the hardness of fabric warrping.Measure 4 places in a circumferential direction, this operation is carried out 3 times, use the aviation value of total 12 data.
(4) fabric selvedge component matter: for the outermost leno yarn of fabric, splicing yarn by the relaxed state in the state organized and selvedge portion, grade.For fabric, be placed on by fabric on cloth inspection table and carry out, it is qualified the situation being rated more than 3 grades to be set to.
For fabric selvedge component matter, judged by the aviation value of the 5 grades of gradings being engaged in the air bag business technical personnel of more than 3 years 5 people.
About grading, in the selvedge portion of fabric, warp thread, weft yarn are organized securely, do not observed fold, the state of lax (flare expansion) is set to 5 grades; By slightly observing less thin fold, lax state is set to 4 grades; By observing slightly fold, lax state is set to 3 grades; Fold slightly strong for existence, lax state are set to 2 grades; By strongly observing stronger fold, lax state is set to 1 grade, carries out visual judgement with such benchmark, gets the aviation value of 5 people.
(6) coil diameter, coil diameter are poor:
Coil diameter uses line or rope roll up girth by its length computation and obtain, measure the girth of the girth of central portion, the recess of end and protuberance respectively, use the girth of the end larger with the coil diameter difference of the girth of central portion, the ratio (absolute value) this difference obtained divided by the girth of central portion is set to coil diameter difference.
[embodiment 1]
Use the spinning of polyhexamethylene adipamide resin melting, hot-stretch and the fiber of intensity 8cN/dtex that obtains as the warp thread of fabric and weft yarn.The fiber number of this fiber is 470dtex, and monofilament is 136, and boiling water shrinkage is 7.0%, and the intertexture number of immersed method is 10/m.For warp thread, non-twistly implement warping glue-freely, make the warp thread bundle of warp thread number 4428.The splicing yarn number in selvedge portion is set to one-sided 4, and be 8 in both sides, the fiber number of splicing yarn is all set to 22dtex, and the fiber number of leno yarn is also set to 22dtex.In addition, the reed radical (the warp thread number in every 1 dent) that enters of warp thread is set to 1/dent.
Loom uses water-jet loom, is that the mode of 0.32cN/dtex sets with warp tension, and under loom rotating speed 700rpm, weft yarn uses the yarn identical with warp thread, implements to weave.In addition, the shift mechanism of fabric when batching does not work.The mode becoming 5mm with the yarn tail length of fabric now sets.
Then, by the grey cloth washing obtained, continually by drier, then hot calender is implemented.Process under hot calender condition is metal roll temperatures 160 DEG C, pressure 490N/cm.For stack, the metallic roll of the heating on top is 12cm diameter, and the roller of bottom is the 24cm diameter with paper surface, and superficial velocity is synchronized up and down.
Then, utilize cloth inspecting machine, fabric is wound to coiling tension 1.0N/cm on the paper tube of length 2250mm, thickness 8mm, compressive resistance 1000N/100mm, make the fabric warrping of length 1000m.
The evaluation result of the fabric warrping obtained is shown in following table 1.The volume hardness of fabric warrping is 83 ° at central portion, and be 3 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 0.3%, and in addition, the state of fabric during fabric warrping uncoiling, the quality in fabric selvedge portion also become good result.
[embodiment 2]
Warp tension when weaving is set to 0.21cN/dtex, the coiling tension batched to paper tube in operation is thereafter set to 0.7N/cm, in addition, implements similarly to Example 1.
The evaluation result of the fabric warrping obtained is shown in following table 1.The yarn tail length of fabric becomes 4mm, the volume hardness of fabric is 78 ° at central portion, and be 5 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 0.4%, in addition, the state of fabric during fabric warrping uncoiling, the quality in fabric selvedge portion also become good result.
[embodiment 3]
The fiber number of used warp thread and weft yarn is set to 700dtex, and monofilament is set to 105, makes the warp thread bundle of warp thread number 3600, warp tension when weaving is set to 0.38cN/dtext, in addition, implements under condition similarly to Example 1.
The evaluation result of the fabric warrping obtained is shown in following table 1.The yarn tail length of fabric becomes 5mm, the volume hardness of fabric is 82 ° at central portion, and be 4 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 0.7%, in addition, the state of fabric during fabric warrping uncoiling, the quality in fabric selvedge portion also become good result.
[embodiment 4]
That be used as pet fiber, that fiber number is 550dtex, monofilament is 240, boiling water shrinkage is 2.2%, intertexture number is 10/m fiber, make the warp thread bundle of warp thread number 4290, use water-jet loom, the fiber number of setting warp tension 0.32cN/dtex, splicing yarn one-sided for 6 of 22dtex, be 12 in both sides, leno yarn is set to 22dtex, loom rotating speed 600rpm, weft yarn uses the fiber identical with warp thread to weave.Process implemented similarly to Example 1 by this grey cloth.The mode becoming 8mm with the yarn tail length of fabric now sets.
The evaluation result of the fabric warrping obtained is shown in following table 1.The volume hardness of fabric is 85 ° at central portion, and be 8 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 0.6%, and in addition, the state of fabric during fabric warrping uncoiling, the quality in fabric selvedge portion also become good result.
[comparative example 1]
Warp tension when weaving is set to 0.46cN/dtext, the coiling tension that fabric batches to paper tube is set to 1.8N/cm, in addition, under condition similarly to Example 1, make fabric warrping.
The evaluation result of the fabric warrping obtained is shown in following table 1.The yarn tail length of fabric becomes 6mm, and the volume hardness of fabric is 90 ° at central portion, and be 7 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface becomes 1.1%, and in addition, the state of fabric during fabric warrping uncoiling is the state that wrinkle defect occurs.
[comparative example 2]
Except being set to except 0.3N/cm by fabric to the coiling tension that paper tube batches, under condition similarly to Example 1, make fabric warrping.
The evaluation result of the fabric warrping obtained is shown in following table 1.The yarn tail length of fabric becomes 5mm, the volume hardness of fabric is 69 ° at central portion, it is 11 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 1.5%, become the shape of distortion (distorted), in addition, the state of fabric during fabric warrping uncoiling is the state that wrinkle defect occurs.
[comparative example 3]
The coiling tension that fabric batches to paper tube is set to 1.8N/cm, and paper tube uses 8mm thickness and the paper tube of compressive resistance 800N/cm, in addition, under condition similarly to Example 1, makes fabric warrping.
The evaluation result of the fabric warrping obtained is shown in following table 1.The yarn tail length of fabric becomes 5mm, the volume hardness of fabric is 88 ° at central portion, it is 11 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface becomes 1.0%, in addition, the state of fabric during fabric warrping uncoiling is occur on wrinkle defect and paper tube also along the state of axle generation fold (bending).
[comparative example 4]
Warp thread number is set to 3700, cover factor is set to 1927, do not use the splicing yarn in the fabric selvedge portion on loom, in addition, under condition similarly to Example 1, make fabric warrping.
The evaluation result of the fabric warrping obtained is shown in following table 1.The yarn tail length of fabric becomes 5mm, the volume hardness of fabric is 78 ° at central portion, and be 4 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 1.2%, in addition, the state of fabric during fabric warrping uncoiling is the defect that the weft yarn occurred in wrinkle defect and fabric is bending.In addition, the quality in fabric selvedge portion is also for observing slightly the state of fold.
[comparative example 5]
Except the length (nozzle offside) of the yarn tail by fabric is set to except 16mm, under condition similarly to Example 1, make fabric warrping.
The evaluation result of the fabric warrping obtained is shown in following table 1.Yarn Caudad fabric side is turned back, and the diameter of end becomes large.The volume hardness of fabric is 88 ° at central portion, and be 8 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 1.6%, and in addition, the state of fabric during fabric warrping uncoiling is for wrinkle defect occurs, and the quality in fabric selvedge portion is also bad result.
[table 1]
utilizability in industry
The present invention relates to the fabric warrping be rolled into by fabric, the fabric warrping that the high-density fabric that especially can be used as aptly to realize the wide cut of the air bag of passenger safety by the impact in absorption vehicle crash accident is rolled into.
Claims (8)
1. a fabric warrping, it is characterized in that, it is that the fabric wrapping of the regulation density of tabby air bag warp thread and weft yarn are made up of syntheticfibres multifilament yarn is in the fabric warrping of core, the width of this fabric warrping is more than 2000mm, coil diameter is more than 200mm, the volume hardness of this fabric warrping central portion is more than 70 ° and less than 93 °, the difference of the maxima and minima of the volume hardness of the end of this fabric warrping is less than 10 °, and the difference of the coil diameter of the end of this fabric warrping and central portion is within 1%.
2. fabric warrping according to claim 1, wherein, the fiber number of described warp thread and weft yarn is 210 ~ 750dtex, and the cover factor of described fabric is in the scope of 2000 ~ 2900.
3. fabric warrping according to claim 1 and 2, wherein, the yarn tail length in the selvedge portion of described fabric is 2 ~ 15mm.
4. fabric warrping according to claim 1 and 2, it manufactures by least comprising the manufacture method of the weaving process under following condition,
(I) warp tension when weaving is 0.20cN/dtex ~ 0.45cN/dtex; And
(II) be 0.5N/cm ~ 1.5N/cm by the coiling tension of fabric wrapping when the core.
5. fabric warrping according to claim 1 and 2, the paper tube that wherein, described core is more than thickness 8mm, length more than 2060mm, flattening compressive resistance are more than 1000N/100mm width.
6. fabric warrping according to claim 1 and 2, wherein, described warp thread and weft yarn are be selected from least one fiber in the group that is made up of polyamide-based continuous fiber and Polyester continuous fiber.
7. fabric warrping according to claim 6, wherein, described warp thread and weft yarn are be selected from least one fiber in the group that is made up of polyamide 6 continuous fiber, polyamide 66 continuous fiber, polyamide 46 continuous fiber, polyethylene terephthalate continuous fiber, polybutylene terephthalate continuous fiber, poly terephthalic acid 1,3-PD ester continuous fiber and PEN continuous fiber.
8. an air bag, it is employing the fabric of the fabric warrping be rolled into according to any one of claim 1 ~ 7 at least partially.
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| JP2013267221 | 2013-12-25 | ||
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| US11414042B2 (en) | 2017-09-29 | 2022-08-16 | Seiren Co., Ltd. | Non-coated air bag fabric and air bag |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0812196A (en) * | 1994-07-01 | 1996-01-16 | Toray Ind Inc | Film winding method |
| CN1582250A (en) * | 2001-11-06 | 2005-02-16 | 旭化成纤维株式会社 | Polyester type conjugate fiber package |
| CN102102255A (en) * | 2009-12-16 | 2011-06-22 | 东丽纤维研究所（中国）有限公司 | Fabric for safety air bag and processing method thereof |
| CN102471954B (en) * | 2009-11-09 | 2013-07-31 | 旭化成纤维株式会社 | Fabric for airbag, and airbag |
| WO2013118755A1 (en) * | 2012-02-07 | 2013-08-15 | 東洋紡株式会社 | Coated fabric for airbag, and process for producing coated fabric for airbag |
-
2014
- 2014-12-25 CN CN201410829722.8A patent/CN104743386B/en active Active
- 2014-12-25 JP JP2014263466A patent/JP2015143407A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0812196A (en) * | 1994-07-01 | 1996-01-16 | Toray Ind Inc | Film winding method |
| CN1582250A (en) * | 2001-11-06 | 2005-02-16 | 旭化成纤维株式会社 | Polyester type conjugate fiber package |
| CN102471954B (en) * | 2009-11-09 | 2013-07-31 | 旭化成纤维株式会社 | Fabric for airbag, and airbag |
| CN102102255A (en) * | 2009-12-16 | 2011-06-22 | 东丽纤维研究所（中国）有限公司 | Fabric for safety air bag and processing method thereof |
| WO2013118755A1 (en) * | 2012-02-07 | 2013-08-15 | 東洋紡株式会社 | Coated fabric for airbag, and process for producing coated fabric for airbag |
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| JP2015143407A (en) | 2015-08-06 |
| CN104743386B (en) | 2017-08-08 |
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