CN104743386B - Wide cut high-density fabric is rolled up - Google Patents
Wide cut high-density fabric is rolled up Download PDFInfo
- Publication number
- CN104743386B CN104743386B CN201410829722.8A CN201410829722A CN104743386B CN 104743386 B CN104743386 B CN 104743386B CN 201410829722 A CN201410829722 A CN 201410829722A CN 104743386 B CN104743386 B CN 104743386B
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- Prior art keywords
- fabric
- warrping
- yarn
- fabric warrping
- fiber
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Classifications
-
- 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]
Abstract
The present invention relates to wide cut high-density fabric volume.There is provided even if fabric be wide cut its roll up that posture is also good and quality near fabric selvedge portion also good fabric warrping.A kind of fabric warrping, it is characterized in that, it is the fabric wrapping of the regulation density of the air bag for the plain weave for being made up of warp thread and weft yarn synthetic fibers multifilament yarn in the fabric warrping of core, the width of the fabric warrping is more than 2000mm, the volume hardness of the 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 the fabric warrping is less than 10 °, and the fabric warrping end and central portion coil diameter difference within 1%.
Description
Technical field
The present invention relates to the volume for winding high-density fabric.More specifically, the present invention relates to used suitable for air bag
The fabric warrping of the wide cut high-density fabric of the high-quality on way.
Background technology
In order to relax the impact in vehicle accidents to human body, constantly promoting to vehicles such as automobiles and air bag is installed.
The air bag for relaxing the impact to human body is absorbed as being expanded when hitting using gas etc., except driver's seat air bag and the passenger side
Sail outside seat air bag, curtain airbag, side air bag and knee sideways are with air bag, rear window curtain between air bag, automotive seat
Safety bag, the safety belt airbag of rear portion seat etc. are progressively practical.And then, in order to protect pedestrian, it also studied with to vehicle
The installation of the various air bags such as the air bag that the mode of lateral expansion is installed.
The textile for air sacs is safety component, therefore, in order to which in any accident, air bag can give full play to its function, is needed
The quality high uniformity of fabric of air bag is constituted without defect.
However, in recent years, because of the arrival of the automotive society of developing country, its demand increasingly increases for air bag installation, it is ensured that
Its security, low cost and stay in grade is important.
All the time, air bag is taken sews pouch to make the mode of production of air bag, the stage in loom by flat fabric
Bag fabric construction is formed to make the mode of production of air bag.Herein, when weaving flat fabric, bag fabric, the fabric, which is not present, not to be had
Defect, do not change in width and length direction upper density, and then the functionally intensity or air permeability of upper fabric
All uniform in any position is important from the point of view of the quality of air bag of safety component is maintained as.In addition, helping to be lacked
Fall into less, can stably produce and the textile for air sacs of low cost and high-quality.
Particularly in highdensity flat fabric as weaving textile for air sacs, the especially selvedge portion of fabric ends
Warp thread can relax, the selvedge portion of woven fabric form bumps, cause the generation of fold, the product of fabric can be reduced
Matter.Or, exist can not carry out in order to realize efficient activity and by fabric it is longer the ever-larger diameterses of fabric warrping that batch it
The problem of class, it is desirable to improved in quality, in production.In addition, with the wide cut of loom, the bumps of fabric coil diameter make
Ever-larger diameterses become difficult, expect rapid solution.
So far the technology of the fabric warrping for making the high-quality for being rolled into highdensity textile for air sacs, example be it is also proposed
It is such as, following that Patent Document 1 discloses make the side that volume posture is good by providing the intensity of the paper tube for roll sheet
Method., can not be at all if can not fabric itself be wound with good form although this method effectively plays a role
Solve, in addition, following, Patent Document 2 discloses correspondingly control resin spray volume with the fabric coil diameter in coiling process
Method, but be not used to be already prepared to the fabric of warp thread.In this way, existing method still unsolved problem.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 8-12196 publications
Patent document 2：No. 3631636 publications of Japanese Patent Publication No.
The content of the invention
Problems to be solved by the invention
Even if it is wide cut there is provided fabric that the problem to be solved in the present invention, which is related to the fabric warrping for winding high-density fabric,
It rolls up that posture is also good and the also good fabric warrping of the quality near fabric selvedge portion.
The solution used to solve the problem
The present inventor has made intensive studies to solve the above problems and experiment is repeated, and as a result finds, by height
The hardness of fabric warrping near the selvedge portion of texture fabric is set to particular range, also, the bumps of the coil diameter of fabric warrping are poor
Also particular range is set to, so as to obtain the fabric warrping for being rolled into textile for air sacs of high-quality, is completed based on above-mentioned opinion
The present invention.
That is, the present invention is as described below.
[1] a kind of fabric warrping, it is characterised in that it is the plain weave group for being made up of warp thread and weft yarn synthetic fibers multifilament yarn
The fabric wrapping of the regulation density for the air bag knitted is in the fabric warrping of core, and the width of the fabric warrping is more than 2000mm,
Coil diameter is more than 200mm, and the volume hardness of the fabric warrping central portion is more than 70 ° and less than 93 °, the volume of the end of the fabric warrping
The difference of the maxima and minima of hardness be less than 10 °, and the fabric warrping end and central portion coil diameter difference be 1%
Within.
[2] fabric warrping according to foregoing [1], wherein, the fiber number of foregoing warp thread and weft yarn is 210~750dtex, and
And the cover factor of aforementioned fabric be 2000~2900 in the range of.
[3] fabric warrping according to foregoing [1] or [2], wherein, the yarn tail (fringed in the selvedge portion of aforementioned fabric
Weft tail on the outside of selvedge) length be 2~15mm.
[4] fabric warrping according to any one of foregoing [1]~[3], its by least include it is following under the conditions of knit
Make the manufacture method of process and manufacture,
(I) warp tension when weaving is 0.20cN/dtex~0.45cN/dtex；And
(II) it is 0.5N/cm~1.5N/cm by coiling tension of fabric wrapping when core.
[5] fabric warrping according to any one of foregoing [1]~[4], wherein, foregoing core is more than thickness 8mm, length
It is 1000N/100mm to spend more than 2060mm, flatten compressive resistance (load capacity of ring flattening test)
Paper tube more than width.
[6] fabric warrping according to any one of foregoing [1]~[5], wherein, foregoing warp thread and weft yarn are selected from by gathering
At least one of the group of acid amides system continuous fiber and Polyester continuous fiber composition fiber.
[7] fabric warrping according to foregoing [6], wherein, foregoing warp thread and weft yarn are selected from continuously fine by polyamide 6
Dimension, polyamide 66 continuous fiber, the continuous fiber of polyamide 46, polyethylene terephthalate continuous fiber, poly- terephthaldehyde
Sour butanediol ester continuous fiber, poly terephthalic acid 1,3- propylene glycol esters continuous fiber and PEN are continuously fine
Tie up at least one of the group of composition fiber.
[8] a kind of air bag, it has used the fabric being rolled into any one of foregoing [1]~[7] at least a portion
The fabric of volume.
The effect of invention
The high-density fabric fabric warrping being rolled into and the knitting for being obtained by existing preparation method of the wide cut by air bag of the present invention
Thing volume is compared, and the fabric warrping being rolled into by the fabric for not occurring fold etc. and excellent quality in fabric width direction can be made, i.e.,
Make also to show uniform characteristic in the direction of the width in the base fabric as air bag.In addition, the concavo-convex production of fabric warrping end
It is smalllyer raw, thus major diameter winding be also possibly realized.
Brief description of the drawings
Fig. 1 is the schematic diagram of one of the fabric warrping of the present invention.
Embodiment
Hereinafter, the present application is described in detail.
The length of the fabric warrping of the present invention is more than 2000mm, and coil diameter is more than 200mm.In addition, the center of fabric warrping
The volume hardness in portion is 70 °~93 °, more preferably 75 °~90 °, more preferably 80 °~87 °.When rolling up hardness less than 70 °, volume
Tension force is low, fabric tissue biases etc., and fold, density unevenness are produced on fabric, the quality variation of fabric is used as.In addition, volume is hard
When degree is more than 93 °, volume tension force is too high, applies the tension force of excessive warp thread direction to fabric, produces the fabric properties such as tensile strength
The possibility of reduction.
Herein, " central portion " of fabric warrping refers to, width midway point with from the central point towards each 20cm in two ends within
Scope.
And then, the difference of hardness of the maxima and minima of the end of fabric warrping is less than 10 °, past on fabric during more than 10 °
It is past to produce the wrinkle defect caused by difference of hardness.
Herein, " end " of fabric warrping refers to, from two ends towards each 20cm of central portion within scope.
For the coil diameter of the fabric warrping of the present invention, the difference of the coil diameter of central portion and end is within 1%.The difference surpasses
When 1%, end is more prominent than central portion or recessed, and because the coil diameter is poor, wrinkle defect is produced in fabric warrping, is resulted in
Inferior fabric.
The fiber number that the composition yarn of fabric is constituted used in the high-density fabric for the fabric warrping for constituting the present invention is preferably 210
~750dtex.It is more than 210dtex by constituting the fiber number of yarn, so that it meets the mechanical properties of tolerance high pressure expansion.Separately
Outside, when the fiber number for constituting yarn is below 750dtex, light weight and the good fabric of containment is made, and additionally aid initially about
Shu Xing.The preferred total fiber number for constituting yarn is 230~550dtex, for the utilization of water-jet loom, air-jet loom or the like
Water, the power of compressed air make for the loom of the type of weft yarn flight, are particularly easy to tackle high speed.
Constitute the present invention fabric warrping high-density fabric cover factor by Represent, preferably 2000~2900 value.Lower limit is preferred
For more than 2100, more preferably more than 2200.In addition, the upper limit is more preferably less than 2500, more preferably 2400 with
Under, be most preferably less than 2300.It is more than 2000, the fabric for not applying smears, as low by cover factor
It is ventilative, by the way that for less than 2900, fabric has flexibility without becoming stiff.It should be noted that density is to determine fabric
The warp count and weft count of central portion, calculate cover factor.
It should be noted that in this specification, it is more than 2000 that " fabric of regulation density ", which refers to cover factor,
High-density fabric.
The length for constituting the yarn tail of the high-density fabric of the fabric warrping of the present invention is 2~15mm, is preferably 3~10mm, more
Preferably 4~7mm.When yarn tail is longer than 15mm, occurs following unfavorable condition：Yarn tail turns back and is woven into fabric, Huo Zhe
Wound fabric enters during rolling up causes selvedge thickening between fabric and fabric.In addition, yarn tail is than 2mm in short-term, it may occur that
Defect of the weft yarn missing without forming fabric selvedge in the process of midway.
In order to which the length of yarn tail is set into defined length, tensioning that fabric selvedge portion during weaving will not relax or vice versa
Mode to adjust warp tension, warp thread using splicing yarn be effective.
The splicing yarn used in the present invention is to be used, in the fabric selvedge portion at the both ends of warp thread for mitigating fabric selvedge
The yarn of the relaxation in portion.The fiber number of used splicing yarn selects the warp thread fiber number relative to ground portion to be smaller as 3~30%
Fiber number.Raw material are nylon 66 fiber, nylon 6 fiber, polyester fiber etc., excellent from the viewpoint of recycling etc.
Choosing is used and warp thread, weft yarn identical raw material.
It is suitable that the bar number of splicing yarn, which is 2~24, can use identical quantity in left and right ends, warp thread selvedge portion
When relaxation can not be solved, the quantity that left and right can also be used unequal.Generally, it is each unilateral for 2~8, more preferably 4
~6.Splicing yarn can be monofilament yarn, can also be multifilament yarn, when being below 33dtex, and monofilament yarn is suitable in intensity.Enter
And, can be raw silk, or implement false twisting processing, the silk for processing etc. of crispaturaing, or spun yarn, can also be by it
Be applied in combination.
In addition, the leno yarn used during weaving is anchored on the left and right of fabric most in the way of fabric selvedge portion will not relax
Outer end, generally alternately changes the every 1 weft yarn side of the equilateral gripping of leno formula of yarn with rotary, left and right in one side using 2 yarns
It is organized into fabric.In the case of leno formula, in one side using several groups of lenos rather than only 1 group come by the fastening of selvedge portion
It is effective.
During the weaving of the fabric of the present invention, the reed radical (in every 1 dent through sliver number) that enters of warp thread is preferably set to 1
Bar/dent, can also be set to 2/dent.Furthermore it is possible to by the warp thread of only fabric ends, splicing yarn penetrate 2/dent or its
Bar number above, the relaxation for incorporating into reed radical to mitigate fabric selvedge portion is also effective.
The warp tension during weaving for the high-density fabric for constituting the fabric warrping of the present invention is preferably 0.20~0.45cN/
Dtex, more preferably 0.24~0.40cN/dtex, more preferably 0.29~0.36cN/dtex.Warp tension is less than
During 0.20cN/dtex, during weaving high density fabric, the selvedge portion of warp thread becomes easy relaxation, not by the relaxation full extension,
Warp thread consumption of weft yarn etc. easily occurs in weaving causes the item for the reason for loom stops.In addition, warp tension exceedes
During 0.45cN/dtex, the power applied to warp thread is excessive, becomes easily to produce fluffing, makes weavability, fabric quality reduction.
In addition, the tension force when fabric warrping of the present invention is wound in into 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 less than 0.5N/10mm, the volume of fabric is hard
Degree diminishes, and becomes occur wrinkle defect in process easily behind.In addition, when coiling tension is more than 1.5N/10mm, to fabric
The power of application is excessive, a problem that occurring to produce concavo-convex on fabric property change or fabric.
When the high-density fabric for constituting the fabric warrping of the present invention is batched on loom, can directly it be batched on loom
Mode, can also use other devices for taking-up.In addition, during using other devices for taking-up, in order to prevent selvedge thickening, also may be used
With with carrying out selvedge displacement by fabric take-off in paper tube etc..Selvedge displacement refers to, when fabric is rolled onto into paper tube etc. above, fabric is wrong
Open several millimeters to wind in the way of fabric selvedge portion will not be overlapped in same position, not only go for batching using other
When batching of device, can be applicable to using scouring machine, cloth inspecting machine etc. when batching.
Paper tube for winding the high-density fabric for constituting the fabric warrping of the present invention is preferably more than length 2060mm, preferably
It is more than 1000N/100mm for more than thickness 8mm, flattening compressive resistance (below moisture rate 10%).In addition, batching except using
Beyond paper tube, plastics, metal core can also be used.
The high-density fabric for coiling into the fabric warrping of the present invention is preferably, and the content of finish composition is 0.01~2.0 weight
Measure %, more preferably more preferably 0.05~1.5 weight %, 0.1~0.7 weight %.Described finish composition is herein
Refer to, the material extracted using organic solvent hexane from fabric is percentage of the extract weight relative to fabric weight.Finish
When the content of composition is more than 0.01 weight %, the tearing strength of fabric can be maintained, improved.Particularly in polyamide fabric
In, surfactant component contributes to oozing out for the ring-type list aggressiveness of Fypro, and ring-type list aggressiveness is with finish composition poly-
The surface of nylon is integrally formed, and moderately promotes fiber is mutual to slide, and is helped to maintain, is improved tensile strength, tear
Intensity.That is, as gas cell fabric, the raising of gas resistance to pressure when can expect to deploy, therefore explosion when helping to deploy
Prevent.On the other hand, when content of the finish composition in fabric is set to below 2.0 weight %, by imparting amount and concise removal
Amount control content, can suitably maintain the pull-out resistance of the yarn in fabric.In addition, in order that fabric is in burning test
(FMVSS302) it is qualified in, it will not can be controlled by the content of finish composition in the way of excess.These finish compositions also may be used
With the material for being derived from fiber manufacturing process, weaving the process finish assigned in manufacturing procedure and remaining.
The high-density fabric of the fabric warrping of the composition present invention is used for gas with can not also implementing the coating of resin, elastomer
Capsule.Alternatively, it is also possible to implement calendering processing to the fabric, it should be noted that tearing strength reduction should not be caused, preferably do not apply
It is preferable that pressurization is used with prolonging processing.And then, textile for air sacs of the invention can also implement resin, the coating of elastomer and
For air bag.Especially for flat fabric, preferably coating weight is 5~35g/m2The light coating of left and right, can be applied by light weight
Cloth and obtain non-breathable, for bag fabric, preferably coating weight is 15~35g/m2The light coating of left and right.When implementing coating,
Air permeability becomes extremely low, but by using the fabric before the coating of the present invention, method for weaving, can produce will not produce in coating
Raw warp-wise wrinkle defect, the textile for air sacs of width variation also less, good.
The warp thread and weft yarn for constituting the high-density fabric of the fabric warrping of the present invention are made up of synthetic fibers.Synthetic fibers are preferred
For polyamide-based, Polyester long fibre (continuous fiber).Foregoing warp thread and weft yarn can be selected from continuously fine by polyamide 6
Dimension, polyamide 66 continuous fiber, the continuous fiber of polyamide 46, polyethylene terephthalate continuous fiber, poly- terephthaldehyde
Sour butanediol ester continuous fiber, poly terephthalic acid 1,3- propylene glycol esters continuous fiber and PEN are continuously fine
Tie up at least one of the group of composition fiber.Can particularly preferably it include：As it is polyamide-based it is long stapled, by polyamide 6,
Polyamide 66 (polyamide 66), polyamide 11, polyamide 12, polyamide 610, polyamide 612, polyamide 46 are (poly-
Acid amides 46), their copolymer and they mixture constitute fiber.Wherein, as Nylon66, preferably mainly
It is made up of poly fibre.Poly fibre refers to, by 100% 1,6- hexamethylene diamines and adipic acid structure
Into fusing point be more than 250 DEG C of Fypro.The polyamide-based long fibre used in the present invention can also be fusing point for not
Less than 250 DEG C it is scope, by making polyhexamethylene adipamide and polyamide 6, polyamide 6 I, polyamide 610, polyamide
The fiber of the polymer formation of the copolymerization such as 6T or blending.
The tensile strength for constituting the yarn of fabric is preferably 9.8~11.5cN/dtex.Tensile strength is more than 9.8cN/dtex
Shi Yue great, the tensile strength of fabric is bigger.From obtaining being suitable to from the viewpoint of woven stabilizing quality, the tensile strength of yarn is constituted
The upper limit be 11.5cN/dtex.
The relation of thermal contraction during being processed due to fabric, the boiling water shrinkage of raw yarn is preferably 5~12%.Raw yarn
Boiling water shrinkage be more than 5% when, by when thermal contraction is processed carry out tensioning processing, so as to suppress yarn crimp, help
In the suppression of the specific load elongation of fabric.When boiling water shrinkage is too low, fabric is arrived in reflection to yarn crimp during weaving as former state
In, therefore the specific load elongation of fabric can not be suppressed.The upper limit of the boiling water shrinkage of substantial raw yarn is 12%.
As long as in addition, the scope of the effect not damage the present invention, then can also include to improve in the fiber
Manufacturing process, the productivity in manufacturing procedure or the characteristic of raw yarn and usually used various additives.It is, for example, possible to use containing
There is the original of heat stabilizer, antioxidant, light stabilizer, smooth agent, antistatic additive, plasticizer, thickener, pigment, fire retardant etc.
Yarn is used as yarn.
During the weaving of the present invention, the stage of warp thread can also prepared or warp thread etc. is being assigned for improving collection on loom
Shu Xing, the finish composition for improving flatness, wax composition.Herein, finish, the wax composition assigned can also be finally by containing in gas
In capsule fabric.Alternatively, it is also possible in order to prevent weaving when occur fluffing, warp thread disconnect and implement starching.However, it is preferred to not right
Raw yarn with applying any medicament, to be rolled into warp thread beam without starching, oil-free/state without wax.
During the weaving of the fabric of the present invention, used loom is water-jet loom, air-jet loom, rapier loom, multiphase are knitted
Machine etc., can make to be used to Woven fabric.When weaving flat fabric, particularly go out from high speed, wide cut or mechanical price
Hair, preferably water-jet loom.The weft yarn supply mode of loom can be single injector type, it is possible to have multiple nozzles, from reduction latitude
Set out in terms of the size difference in the fabric width direction during replacement of yarn bobbin, multiple nozzle types such as preferably 2 nozzles.
The fabric tissue of the present invention, especially from mechanical excellent and quality relatively thin, is plain weave.But,
As fabric tissue, twill-weave, satin weave and their the change group beyond plain weave according to circumstances can also be used
Knit, organize fabric, multiaxis tissue for mixing etc. to organize.
Woven fabric can in order to remove surplus finish composition, dirt and carry out refining cleaning.In refining procedure,
Alkali cleaning, surfactant washing can be carried out in tepidarium, otherwise refinedly fabric can not also be finished.Spray
Water loom can not substantially come off to finish composition, finish composition adhesion amount becomes appropriate fabric and refinedly fabric is entered
Row finishing, is easily controlled the required amount containing thing of the present invention, also both economical.It is final using smooth agent, antistatic additive as
The warping finish of main component, weaving process finish are as finish composition by containing being preferred in fabric.In refining procedure,
Select refining temperature, the refining time of appropriateness.Or, it can not also implement refining using the woven fabric of water-jet loom.
Then, fabric can be made to pass through high temperature groove, hot cylinder to be dried, then carries out thermal finalization, so as to be finish-machined to
Textile for air sacs.Herein, it can only dry and just terminate, thermal finalization can also be implemented after the drying.Drying and heat for fabric
Sizing, on the feeding of fabric width and warp thread direction, preferably controls amount of contraction, tension force, for example, being dried using tentering formula respectively
Machine etc..In order to the specific load elongation in the tension test by fabric be kept as it is relatively low, it is preferred that selection heat
Temperature, heat being processed with shrinking without letting alone it while applying tension force.And then, preferably heating
Apply tension force afterwards while being quenched.
The deviation for constituting the width of the air permeability of the high-density fabric of the fabric warrping of the present invention is preferable less, is passed through
The deviation of the width of air permeability is small, so that when being deployed the product of air bag is made, and can suppress human body, head
Impact absorbency changes and with the possibility of safety hazard.
Constituting the high-density fabric of the fabric warrping of the present invention can carry out cutting sewing and being suitably used for driver's seat gas
Capsule, co-pilot seat are with air bag, rear portion seat with air bag, sideways with air bag, knee with air bag between air bag, automotive seat, use sideways
Curtain-like air bag, rear window curtain bag, pedestrian protection airbag etc.., can be by inflator installing port, steam vent in these air bags
The component for strengthening cloth or regulation bag expansion shape used in part etc. is set to and the textile for air sacs identical fabric.In addition,
In the sewing of air bag, using by punching, fusing cut-out, cut formed by 1 or the above-mentioned textile for air sacs of multiple, will
Its peripheral part is sewed, so as to form air bag, and then, the sewing that can form peripheral part is made up of substance or dual sewing etc.
Air bag.
In addition, air bag component can will cut the air bag for the fabric for sewing above-mentioned air bag with using gunpowder, transmitting
The inflator of medicine combines to make.
Embodiment
Hereinafter, the present invention is illustrated using embodiment and reference example.
Evaluating characteristics on the fabric warrping in embodiment and reference example etc., are implemented by following methods.
(1) fiber number：According to JIS-L1013：2010th, 8.3.1 positive quantitys fiber number (public affairs determine fiber number) under moisture content and obtain.
(2) Density：According to JIS-L1096：2010th, annex 11-A and obtain.
For locating for Density (warp count, weft count), used width locate for
1 point away from 2 points on the inside of each 20cm in two ends, in width midway, 2 points of width midway point and the intermediate point put on the inside of each 20cm,
Amount to the average value at 5.
In addition, the center of the warp count of fabric be fabric center portion 5 at measured value average value, end for determine away from
, the average value of the measured value at 5 is carried out to it at 2 points on the inside of each 20cm in two ends of width.
(3) hardness is rolled up：Using ASKER durometers c-type (macromolecule gauge Co., Ltd.), the hard of fabric warrping is obtained
Degree.Determine in a circumferential direction at 4, the operation is carried out 3 times, use the average value for amounting to 12 data.
(4) fabric selvedge component matter：The state organized for the outermost leno yarn of fabric, splicing yarn and selvedge portion
Relaxed state, is graded.For fabric, fabric is placed on cloth inspection table to carry out, the situation for being rated more than 3 grades is set
To be qualified.
For fabric selvedge component matter, that is graded by 5 grades that are engaged in the people of the air bag business technical staff of more than 3 years 5 is averaged
Value judges.
On grading, in the selvedge portion of fabric, warp thread, weft yarn are organized securely, do not observe that fold, relaxation (are in
Tubaeform expansion) state be set to 5 grades；Less thin fold slightly will be observed, the state of relaxation is set to 4 grades；It will see slightly
Observe fold, the state of relaxation is set to 3 grades；There will be slightly strong fold, the state of relaxation is set to 2 grades；Will strongly observe compared with
Strong fold, the state of relaxation are set to 1 grade, are visually confirmed with such benchmark, take the average value of 5 people.
(6) coil diameter, coil diameter are poor：
Coil diameter is rolled up girth by its length computation using line or rope and obtained, and girth, the end of central portion are determined respectively
The recess in portion and the girth of convex portion, using the girth of the larger end of the coil diameter difference with the girth of central portion, are divided that difference by
It is poor that ratio (absolute value) obtained from the girth of central portion is set to coil diameter.
[embodiment 1]
Using intensity 8cN/dtex obtained from using the spinning of polyhexamethylene adipamide resin melting, hot-stretch fiber as
The warp thread and weft yarn of fabric.The fiber number of the fiber is 470dtex, and monofilament is 136, and boiling water shrinkage is 7.0%, water seaoning
Intertexture number is 10/m.It is non-twist to implement warping without glue for warp thread, make the warp thread beam through sliver number 4428.Selvedge portion
Reinforcing sliver number be set to unilateral 4, be 8 in both sides, the fiber number of splicing yarn is set to 22dtex, and the fiber number of leno yarn is also set
For 22dtex.In addition, the reed radical (in every 1 dent through sliver number) that enters of warp thread is set to 1/dent.
Loom uses water-jet loom, is set by warp tension in the way of 0.32cN/dtex, in loom rotating speed 700rpm
Under, weft yarn use and warp thread identical yarn, implement weaving.In addition, the shift mechanism of fabric when batching does not work.With now
Fabric yarn tail length degree turn into 5mm mode set.
Then, obtained fabric is washed, continually by drying, then implements hot calender.It is in hot calender condition
Handled under 160 DEG C of metal roll temperatures, pressure 490N/cm.For stack, the metallic roll of the heating on top is 12cm straight
Footpath, the roller of bottom is the 24cm diameters with paper surface, and superficial velocity is synchronized up and down.
Then, using cloth inspecting machine, fabric is wound to length 2250mm with coiling tension 1.0N/cm, thickness 8mm, pressure-resistant
On intensity 1000N/100mm paper tube, length 1000m fabric warrping is made.
The evaluation result of obtained fabric warrping is shown in following table 1.The volume hardness of fabric warrping is 83 ° in central portion,
The difference of the volume hardness of end is 3 °, and fabric warrping concave-convex surface is 0.3%, in addition, the state of fabric during fabric warrping uncoiling, fabric
The quality in selvedge portion also turns into good result.
[embodiment 2]
Warp tension when weaving is set to 0.21cN/dtex, will be batched to what paper tube was batched in process thereafter
Power is set to 0.7N/cm, in addition, implements similarly to Example 1.
The evaluation result of obtained fabric warrping is shown in following table 1.The yarn tail length degree of fabric turns into 4mm, the volume of fabric
Hardness is 78 ° in central portion, is 5 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 0.4%, in addition, fabric warrping solution
The state of fabric during volume, the quality in fabric selvedge portion also turn into good result.
[embodiment 3]
The fiber number of used warp thread and weft yarn is set to 700dtex, monofilament is set to 105, is made through sliver number 3600
The warp thread beam of bar, is set to 0.38cN/dtext, in addition, in condition similarly to Example 1 by warp tension when weaving
It is lower to implement.
The evaluation result of obtained fabric warrping is shown in following table 1.The yarn tail length degree of fabric turns into 5mm, the volume of fabric
Hardness is 82 ° in central portion, is 4 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 0.7%, in addition, fabric warrping solution
The state of fabric during volume, the quality in fabric selvedge portion also turn into good result.
[embodiment 4]
Using as pet fiber, fiber number be that 550dtex, monofilament are 240, boiling shrinkage
The fiber that rate is 2.2%, intertexture number is 10/m, makes the warp thread beam through sliver number 4290, uses water-jet loom, setting warp
Yarn tension 0.32cN/dtex, the fiber number of splicing yarn be 6 of 22dtex in one side, in both sides be 12, leno yarn is set to
22dtex, loom rotating speed 600rpm, weft yarn are used and weaved with warp thread identical fiber.The fabric is similarly to Example 1
Implementation is handled.Set in the way of the yarn tail length degree of fabric now turns into 8mm.
The evaluation result of obtained fabric warrping is shown in following table 1.The volume hardness of fabric is 85 ° in central portion, at end
The difference of the volume hardness in portion is 8 °, and fabric warrping concave-convex surface is 0.6%, in addition, the state of fabric during fabric warrping uncoiling, fabric are knitted
The quality of edge also turns into good result.
[comparative example 1]
Warp tension when weaving is set to 0.46cN/dtext, the coiling tension that fabric is batched to paper tube is set to
1.8N/cm, in addition, makes fabric warrping under conditions of similarly to Example 1.
The evaluation result of obtained fabric warrping is shown in following table 1.The yarn tail length degree of fabric turns into 6mm, the volume of fabric
Hardness is 90 ° in central portion, is 7 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface turns into 1.1%, in addition, fabric warrping
The state of fabric during uncoiling is the state for occurring wrinkle defect.
[comparative example 2]
In addition to the coiling tension for batching fabric to paper tube is set to 0.3N/cm, under conditions of similarly to Example 1
Make fabric warrping.
The evaluation result of obtained fabric warrping is shown in following table 1.The yarn tail length degree of fabric turns into 5mm, the volume of fabric
Hardness is 69 ° in central portion, is 11 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 1.5%, as distortion
(distorted) shape, in addition, state of the state of fabric during fabric warrping uncoiling for generation wrinkle defect.
[comparative example 3]
The coiling tension that fabric is batched to paper tube is set to 1.8N/cm, and paper tube uses 8mm thickness and compressive resistance 800N/
Cm paper tube, in addition, makes fabric warrping under conditions of similarly to Example 1.
The evaluation result of obtained fabric warrping is shown in following table 1.The yarn tail length degree of fabric turns into 5mm, the volume of fabric
Hardness is 88 ° in central portion, is 11 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface turns into 1.0%, in addition, fabric warrping
The state of fabric during uncoiling is the state on generation wrinkle defect and paper tube also along axle generation fold (bending).
[comparative example 4]
3700 will be set to through sliver number, cover factor is set to 1927, the fabric selvedge portion on loom is not used
Splicing yarn, in addition, fabric warrping is made under conditions of similarly to Example 1.
The evaluation result of obtained fabric warrping is shown in following table 1.The yarn tail length degree of fabric turns into 5mm, the volume of fabric
Hardness is 78 ° in central portion, is 4 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 1.2%, in addition, fabric warrping solution
The defect that the state of fabric during volume bends for the weft yarn in generation wrinkle defect and fabric.In addition, the quality in fabric selvedge portion
Also for slightly it was observed that the state of fold.
[comparative example 5]
In addition to the length of the yarn tail of fabric (nozzle offside) is set into 16mm, under conditions of similarly to Example 1
Make fabric warrping.
The evaluation result of obtained fabric warrping is shown in following table 1.Yarn Caudad fabric side is turned back, and the diameter of end becomes
Greatly.The volume hardness of fabric is 88 ° in central portion, is 8 ° in the difference of the volume hardness of end, fabric warrping concave-convex surface is 1.6%, separately
Outside, is wrinkle defect occurs for the state of fabric during fabric warrping uncoiling, and the quality in fabric selvedge portion is also bad result.
[table 1]
Industrial applicability
The present invention relates to the fabric warrping for being rolled into fabric, it is particularly possible to suitably as by absorbing vehicle crash thing
Therefore in the fabric warrping that is rolled into come the high-density fabric of the wide cut for the air bag for realizing passenger safety of impact.
Claims (8)
1. a kind of fabric warrping, it is characterised in that its be by be made up of synthetic fibers multifilament yarn it is warp thread and weft yarn, have
Plain weave, air bag, fabric wrapping with regulation density in the fabric warrping of core, the width of the fabric warrping is
More than 2000mm, coil diameter is more than 200mm, and the volume hardness of the fabric warrping central portion is more than 70 ° and less than 93 °, the fabric
The difference of the maxima and minima of the volume hardness of the end of volume is less than 10 °, and end and the volume of central portion of the fabric warrping
The difference of diameter is within 1%.
2. fabric warrping according to claim 1, wherein, the fiber number of the warp thread and weft yarn is 210~750dtex, and
The cover factor of the fabric be 2000~2900 in the range of.
3. fabric warrping according to claim 1 or 2, wherein, the yarn tail length degree in the selvedge portion of the fabric is 2~15mm.
4. fabric warrping according to claim 1 or 2, its by least include it is following under the conditions of weaving process manufacturer
Method and manufacture,
(I) warp tension when weaving is 0.20cN/dtex~0.45cN/dtex；And
(II) it is 0.5N/cm~1.5N/cm by coiling tension of fabric wrapping when core.
5. fabric warrping according to claim 1 or 2, wherein, the core be more than thickness 8mm, length more than 2060mm,
It is paper tube more than 1000N/100mm width to flatten compressive resistance.
6. fabric warrping according to claim 1 or 2, wherein, the warp thread and weft yarn are selected from by polyamide-based continuous fibre
At least one of the group of peacekeeping Polyester continuous fiber composition fiber.
7. fabric warrping according to claim 6, wherein, the warp thread and weft yarn are selected from by polyamide 6 continuous fiber, poly-
The continuous fiber of acid amides 66, the continuous fiber of polyamide 46, polyethylene terephthalate continuous fiber, poly terephthalic acid fourth two
Alcohol ester continuous fiber, poly terephthalic acid 1,3- propylene glycol esters continuous fiber and PEN continuous fiber composition
At least one of group fiber.
8. a kind of air bag, it has used at least a portion and has been rolled into knitting for fabric warrping according to any one of claims 1 to 7
Thing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-267221 | 2013-12-25 | ||
| JP2013267221 | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410829722.8A Active CN104743386B (en) | 2013-12-25 | 2014-12-25 | Wide cut high-density fabric is rolled up |
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| EP3690092A4 (en) * | 2017-09-29 | 2021-07-07 | Seiren Co., Ltd. | Woven fabric for non-coated airbag, and airbag |
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 |
| CN104743386A (en) | 2015-07-01 |
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