CN1153032A - Electric heating blanket using nonwoven fabric and method for mfg. same - Google Patents
Electric heating blanket using nonwoven fabric and method for mfg. same Download PDFInfo
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- CN1153032A CN1153032A CN 96108222 CN96108222A CN1153032A CN 1153032 A CN1153032 A CN 1153032A CN 96108222 CN96108222 CN 96108222 CN 96108222 A CN96108222 A CN 96108222A CN 1153032 A CN1153032 A CN 1153032A
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- nonwoven fabrics
- heating wire
- nexine
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims description 28
- 238000005485 electric heating Methods 0.000 title 1
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 239000012943 hotmelt Substances 0.000 claims abstract description 32
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 30
- 239000012209 synthetic fiber Substances 0.000 claims abstract description 30
- 239000004831 Hot glue Substances 0.000 claims abstract description 11
- 210000000576 arachnoid Anatomy 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000001467 acupuncture Methods 0.000 claims description 15
- 238000007731 hot pressing Methods 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 11
- 239000007767 bonding agent Substances 0.000 claims description 8
- 230000004927 fusion Effects 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 241000239290 Araneae Species 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 48
- 239000004744 fabric Substances 0.000 description 15
- 239000000835 fiber Substances 0.000 description 10
- 229920000728 polyester Polymers 0.000 description 7
- 239000004677 Nylon Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Abstract
A top layer 1 and a bottom layer 4 of an electric blanket is constituted by a needle non-woven fabric whose main component is synthetic fiber, a heater wire 3 and hot melt adhesive, in particular, spider's web shaped hot melt sheet 2 are arranged between both layers 1 and 4, and the heater wire 3 is closely fixed so as not to move between both top and bottom layers 1 and 4 by means of heating and pressurization. This invention is to enhance productivity of an electric blanket by using a needle non-woven fabric whose main component is synthetic fiber and to prevent movement and eliminate the risk of abnormal heating by closely fixing a heater wire.
Description
The present invention relates to a kind of electric blanket and effective manufacture method thereof of using nonwoven fabrics, described woollen blanket system with needle point method to being that the fleece of main component carries out acupuncture with synthetic fibers, with the nonwoven fabrics that forms the acupuncture combination with two layers of tabulation, linings, therebetween, be equipped with heater strip and detect silk (below, the unified heating wire that abbreviates as), be connected in one again.
Electric blanket in the past normally uses special loom, makes to have to intert the woollen blanket grey cloth of slash pocket of heating wire, again by handwork, in the manual described interspersed bag that interts above-mentioned woollen blanket grey cloth of heating wire, then, makes the back and processes and make.
; in the electric blanket made from above-mentioned method; because its structure is, in the slash pocket of woollen blanket grey cloth by heating wire, this heating wire with respect to grey cloth be in a kind of can free-swimming state; therefore; when the people stands up between sleep period, can make the heating wire activity, entangled to each other; thereby, the danger that might produce abnormal heating.
Again,, its coefficient of overall heat transmission is descended, make woollen blanket easily produce gauffer because heating wire and woollen blanket are free from each other.In addition, wear by hand on Manufactured woollen blanket grey cloth with heating wire, such technology production efficiency is low, also has problems aspect how boosting productivity again.
At above-mentioned situation, the objective of the invention is, be conceived to boost productivity, use heating and pressurizing to be easy to the nonwoven fabrics of bonding synthetic fibers, thus as main component, can freely change woollen blanket thickness, make that it is ventilative, water absorption is good, heat insulating ability is good, simultaneously, can guarantee heating wire connect airtight and fixing, improve electric blanket productivity ratio and quality.
Promptly, in order to reach above-mentioned purpose of the present invention, architectural feature of the present invention is, electric blanket need not be in the past by dual fabric or the formed woollen blanket greige goods fabric of baggy fabric, and be to use nonwoven fabrics by the dual bag shape of table, two layers of linings as basic fabrics, and be that the fleece of principal component carries out acupuncture and connects with synthetic fibers to this, form nonwoven fabrics.The dual bag shape of above-mentioned nonwoven fabrics is promptly as its table, lining two layers, between these two layers, intert again, described top layer, heating wire and nexine are linked into an integrated entity with bonding agent into heating wire, make described two interlayers keep closely contact, it is mobile that above-mentioned heating wire can not produced.
The present invention relates to the manufacture method of described electric blanket again, and its basic being characterised in that is used hot-melt adhesive, by above-mentioned top layer, heating wire and the nexine of heating and pressurizing bonding, makes it being integral.
The described content of claim 3 of the present invention is in the nonwoven fabric construct in said method, to have mixed a part of low-melting synthetic fibers in the synthetic fibers.So, because sneaked into a part of low-melting synthetic fibers,, in hot pressing, promptly can make the bond vitrified of a part of low melting point synthetic fibers at least by heating and pressurizing no matter then use or do not use hot-melt adhesive; Particularly, as being used in combination the thermosol bonding agent again, then more favourable for improving bonding force.In addition, said method also is favourable for the adhesion strength that improves anti-balling-up, grey cloth.
As the adhesive means of manufacture method of the present invention, except hot-melt adhesive, emulsion bonding agent, polyurethanes bonding agent or the like, also can adopt several different methods such as high frequency adhesion, ultrasonic bonding, as long as can reach desired purpose.But, wherein, be best with hot-melt adhesive.
Below, more specifically example of the present invention is described.
Fig. 1 represents an example of electric blanket of the present invention, and Fig. 2 and Fig. 3 represent the part summary of its manufacturing process.
In Fig. 1,1 is the top layer of electric blanket of the present invention, and 4 is the nexine of this electric blanket.Between these two layers, be interspersed with heating wire 3 and hot melt sheets 2, they are bonded to one by the fusion of hot melt sheets 2.
Here, above-mentioned top layer 1 and nexine 4 be by being constituted in conjunction with nonwoven fabrics carrying out acupuncture that acupuncture gets, so-called with synthetic fibers by the fleece of main component, still, constitutes this two layer 1,4 synthetic fibers also not necessarily with a kind of fiber.
Constitute the synthetic fibers of top layer 1 and nexine 4, can use as known synthetic fibers such as polyester, nylon, polyacrylonitrile, polypropylene.In addition, polyester, nylon etc. also are not necessarily limited to a kind of, can use all different fiber more than two kinds of its fiber number, length, character.
Wherein, its length of mixing use, all different polyester of fineness are feasible.And some cotton fibers of mixing suitable in acrylic fiber can improve anti-pilling property, produce soft feel, thereby such mixing is particularly suitable for.
Have, above-described situation is that the common synthetic fibers that are suitable for are as constituting fibroreticulate synthetic fibers again.But as previously mentioned, also can mix a part of low-melting synthetic fibers of use.
The mixing of described low melting point synthetic fibers is used when heating and pressurizing, is improved its fusion adhesion property by fusion, improves anti-pilling property, simultaneously, improves the adhesion strength of table, the two layers of grey cloth in lining.
As low-melting fiber, can use known fiber materials such as low-melting nylon, polyester, polypropylene, but, wherein, be that 105-160 ℃ modified polyamide or low-melting polyester fiber is the most practical with the fusing point.
Again, as the hot-melt adhesive 2 of the bonding agent effect between table, two layers of the linings, can use heating and melting, and can bring into play the bonding agent of laminar or film like of the synthetic resin system of adhesive property.Wherein, the arachnoid hot melt sheets is the most effective, and practical.
Arachnoid hot melt sheets 2 usually with 10-40g/m2, better, form web-like structure with the thin nonwoven fabrics of 10-20g/m2 specification, its fusing point is about 105-160 ℃, is made by modified polyamine fibre usually.
In addition, arachnoid hot melt sheets 2 is attached on the one side of nonwoven fabrics on the above-mentioned top layer of being made up of fleece 1.But the setting of this thin slice 2 should make in its fibrage that is not embedded in nonwoven fabrics, do not strip down from nonwoven fabrics, and the long stapled filoplume that can hinder nonwoven fabrics passes, and, this hot melt sheets 2 is implemented temporary transient set that is.
The set mode does not pass filoplume, is for when the bonding of thereafter hot pressing etc., can improve bonding force, shortens tack time.
For set, laminated nonwoven fabrics of the present invention, make its surface not produce filoplume, and, being difficult for peeling off, needling density should be preferably about 270 pins/cm2 at 100-300 pin/cm2, and depth of needling should be about 8-12mm.
When depth of needling is dark above 12mm, promptly there is hot melt sheets of making 2 to be embedded in and reaches the tendency that filoplume passes the surface in the non-woven fabrics fiber layer, thereby bonding force is descended.
On the other hand, when depth of needling shallow excessively, during less than 8mm, hot melt sheets 2 easily from nonwoven fabrics top layer 1 or nexine 4 peel off.
Fig. 2 and Fig. 3 have represented in the manufacture process of above-mentioned electric blanket, the operation of bonding top layer 1 and nexine 4, and Fig. 2 has shown arachnoid hot melt sheets 2 has been attached to operation on the top layer 1.
That is normally, be that fleece main component, the 200-500g/m2 specification is a basal layer, with synthetic fibers, this is alternatively imposed acupuncture 7,8,9 from upper and lower, 10, the nonwoven fabrics on formation top layer 1, simultaneously, with the same flow process of this acupuncture operation on, arachnoid hot melt sheets 2 is simultaneously pulled out from it, after the coincidence through tension rail 5 and wrinkle resistant deflector roll 6, impose acupuncture 11 jointly, be attached on the one side of nonwoven fabrics on top layer 1.
Form above-mentioned top layer 1 and nexine 4 nonwoven fabrics synthetic fibers as previously mentioned, can be as known synthetic fibers such as polyester, nylon, polyacrylonitrile, polypropylene.In polyester, the nylon, can use its length, fiber number, the different synthetic fibers more than two kinds of character.
Again, arachnoid hot melt sheets 2 is usually with 10-40g/m
2, better, with 10-20g/m
2The thin nonwoven fabrics of specification forms web-like structure, and fusing point is about 105-160 ℃, and as previously mentioned, hot melt sheets 2 is made by modified polyamine fibre usually.
And arachnoid hot melt sheets 2 is bonded on the one side of nonwoven fabrics on the aforementioned top layer of being made up of fleece 1, still, this set, in other words, the location should make described hot melt sheets 2 be unlikely to be embedded in the fibrage of nonwoven fabrics.But also be difficult for stripping down, and just in time press the filoplume of volt nonwoven surface from nonwoven fabrics.
The set that filoplume is passed is for when the bonding of thereafter hot pressing etc., can improve bonding force, shortens tack time.Temporary transient set like this can make acupuncture thereafter smooth.
In the perverse density of pin is 100-300 piece/cm
2Better, be 270 pieces/cm
2About, depth of needling is 8-12mm.
Like this, also close with nexine 4 on the top layer of set arachnoid hot melt sheets 1, under the state that has inserted heating wire 3, handles through hot pressing process thereafter, with hot press heating, pressurization, makes it into as a wholely, makes electric blanket.
Fig. 3 shows the hot pressing utilize above-mentioned hot press, and two layer 1,4 of bonding table, lining make the situation of electric blanket.Among the figure, 12 is last heat dish, and 13 is hot down dish, and the temperature that heat is coiled is 150-200 ℃.In addition, 14,15 is the spacing device, and the spacing of 14,15 spacing devices is about 4-5mm usually, lacks 0.5-1.0mm approximately than the thickness after merging top layer 1 and the nexine 4, has been inserted with heating wire 3 between top layer 1 and nexine 4.
Again, use aforementioned nonwoven fabrics on the top layer 1, temporarily be attached with aforementioned arachnoid hot melt sheets 2 within it on the side.
Therefore, under state as shown in Figure 3, promptly stop after making heat dish 12 drop to above the spacing device 14,15, because of the thickness of spacing device 14,15 is 4-5mm, the little 0.5-1.0mm of gross thickness than top layer 1 and nexine 4, so, under the sort of state by upper and lower heat dish 12,13 above top layer 1 and nexine 4 below give 150-200 ℃ heating respectively, pressurization simultaneously.Being generally 10-30 second pressing time, better, is about 15 seconds.By described hot pressing, top layer 1 and nexine 4 are bonded together by arachnoid hot melt sheets 2 fully, obtain containing the electric blanket of heating wire 3.
Again, as with press fixedly before top layer 1 and the nexine 4, above top layer 1, spray water in advance with suitable normal temperature, then the water of this normal temperature that sprays infiltrates through inside, top layer because 150-200 ℃ hot pressing becomes steam, causes damp and hot, thus, make the effective characteristic of polyamide-based arachnoid hot melt sheets 2 performances, even when the hot pressing that stands the short time, also can obtain big separation strength.
And, be bonded on the surface of the one side on top layer, temporary laminated arachnoid hot melt sheets 2, the filoplume of fiber can not worn, by hot pressing, arachnoid hot melt sheets 2 is not just hindered by filoplume, so can obtain to give full play to the actual effect of adhesive power.
Below, with regard to foregoing, manually heating wire is through at the method in the bag and uses hot melt sheets according in the past method with hand, make the method for hot pressing by hot press, the production efficiency of the two does one relatively to it.In method in the past, a people 8 hours produces about 300 electric blankets and has belonged to difficultly, but in the method for the invention, a same people can produce 608 electric blankets in 8 hours, and the raising that its production efficiency is surprising suffices to show that the superiority of the inventive method.
As mentioned above, the present invention is a kind of manufacture method of using the electric blanket of nonwoven fabrics, particularly, the present invention a kind ofly puts with heating wire on the top layer that the nonwoven fabrics that with synthetic fibers is main component is formed and the centre of nexine, utilize hot-melt adhesive, undertaken bondingly, fixing by hot pressing, described top layer, nexine and heating wire made the manufacture method of the electric blanket that is integral.The present invention need not make the woollen blanket grey cloth with special loom as ground as described in the conventional art, and the operation with the trouble of heating wire etc. is worn in operation by hand again, can make the production process rationalization, alleviates operating performance significantly and enhances productivity.
In addition, the present invention temporarily is bonded to the arachnoid hot melt sheets one side of top layer or nexine, in the middle of top layer and nexine, be furnished with heating wire, with hot melt sheets and heating wire respectively with its inner face one side superimposed, carry out heating and pressurizing by hot pressing, because heating wire is held in the centre of top layer and nexine, form fixing closely, therefore, can be as electric blanket in the past, be in the state that moves about owing to be through at the heating wire that grey cloth wears in the bag, when the people stands up in sleep, can make heating wire move, tangle, cause the generation of abnormal heating.And electric blanket of the present invention also has the characteristic that can prevent that the fold that causes because of standing up from forming.
Have, the present invention has used with synthetic fibers and has been top layer and nexine as the nonwoven fabrics of main component, to replace the electric blanket grey cloth made from special loom in the past, therefore, can quite advantageously improve the production efficiency of grey cloth again.And in the present invention, the characteristic that nonwoven fabrics had, promptly thickness can freely change, and thus, can give full play to the speciality of its gas permeability, water absorption and heat insulating ability etc.The description of the drawings
Fig. 1 is the partial cross section schematic diagram of an example of the electric blanket of use nonwoven fabrics of the present invention.
Figure 2 shows that among the present invention on a surperficial side nonwoven fabrics key diagram coated with the operation of arachnoid hot melt sheets.
Figure 3 shows that the electric blanket to the use nonwoven fabrics of the present invention carries out heating and pressurizing, bonding forms the key diagram of the state of electric blanket of the present invention.
Among the above-mentioned figure, 1 is the top layer, and 2 is hot-melt adhesive (arachnoid hot melt sheets), and 3 is heating wire, and 4 is nexine, and 7,8,9,10,11 are acupuncture, and 12 is last hot dish, and 13 is that heat is coiled down, and 14,15 is spacing device (sheet).
Claims (5)
1. electric blanket that uses nonwoven fabrics, it is characterized in that, bonding to synthetic fibers being that the fleece of principal component carries out acupuncture, form nonwoven fabrics, with above-mentioned nonwoven fabrics as its top layer and nexine, again between these two layers, intert into heating wire, when with bonding agent described top layer, heating wire and nexine being bonded to one, make described top layer, heating wire and nexine keep closely contact, it is mobile that above-mentioned heating wire can not produced between two layers in table, nexine.
2. manufacture method of using the electric blanket of nonwoven fabrics, it is characterized in that, bonding to synthetic fibers being that the fleece of principal component carries out acupuncture, form nonwoven fabrics, with above-mentioned nonwoven fabrics as its top layer and nexine, again between these two layers, allocate heating wire into, use hot-melt adhesive, carry out heating and pressurizing, described top layer, heating wire, nexine are bonded to one by hot press.
3. manufacture method of using the electric blanket of nonwoven fabrics, it is characterized in that, bonding to the synthetic fibers that contain low-melting synthetic fibers being that the fleece of principal component carries out acupuncture, form nonwoven fabrics, this nonwoven fabrics as top layer and nexine, is equipped with heating wire again between these two layers, use hot-melt adhesive, by the hot pressing heating and pressurizing, in the low melting point synthetic fibers fusion that makes a part at least, described top layer, heating wire, nexine are bonded into one.
4. manufacture method of using the electric blanket of nonwoven fabrics, it is characterized in that, bonding to synthetic fibers being that the fleece of principal component carries out acupuncture, form nonwoven fabrics, with above-mentioned nonwoven fabrics two layers, again between these two layers as its table, lining, allocate heating wire into, the arachnoid hot melt sheets is attached on the medial surface of the one deck at least in top layer or the nexine, carries out heating and pressurizing, described top layer, heating wire, nexine are bonded to one by hot pressing.
5. manufacture method of using the electric blanket of nonwoven fabrics, it is characterized in that, bonding to synthetic fibers being that the fleece of principal component carries out acupuncture, form nonwoven fabrics, above-mentioned nonwoven fabrics is shown as it, in two layers, again between these two layers, allocate heating wire into, the arachnoid hot melt sheets is attached on the medial surface of the one deck at least in top layer or the nexine, simultaneously, at table, in set heating wire on another medial surface in two layers, arachnoid hot melt sheets one side is overlapped with heating wire one side veneer, carry out heating and pressurizing by hot pressing, make the top layer, heating wire, nexine is bonded to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96108222 CN1153032A (en) | 1995-12-22 | 1996-06-14 | Electric heating blanket using nonwoven fabric and method for mfg. same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP350526/95 | 1995-12-22 | ||
| CN 96108222 CN1153032A (en) | 1995-12-22 | 1996-06-14 | Electric heating blanket using nonwoven fabric and method for mfg. same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1153032A true CN1153032A (en) | 1997-07-02 |
Family
ID=5119904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96108222 Pending CN1153032A (en) | 1995-12-22 | 1996-06-14 | Electric heating blanket using nonwoven fabric and method for mfg. same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1153032A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102387619A (en) * | 2011-08-25 | 2012-03-21 | 桐乡市爱贝斯电暖科技有限公司 | Production method of composite type heating pad |
| CN103315847A (en) * | 2013-06-29 | 2013-09-25 | 周琳 | Beautifying and slimming rehabilitation thermal insulation blanket |
| CN103445587A (en) * | 2013-08-09 | 2013-12-18 | 桐乡市万达利电器有限公司 | Lightweight electric blanket and production method thereof |
| CN111136981A (en) * | 2020-02-20 | 2020-05-12 | 辽宁瑷玛特新材料科技有限公司 | Radiation-proof loess composite non-woven fabric for threading and preparation method |
| CN117565535A (en) * | 2023-12-12 | 2024-02-20 | 江苏君澜纺织品有限公司 | A kind of graphene electric blanket production process |
-
1996
- 1996-06-14 CN CN 96108222 patent/CN1153032A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102387619A (en) * | 2011-08-25 | 2012-03-21 | 桐乡市爱贝斯电暖科技有限公司 | Production method of composite type heating pad |
| CN103315847A (en) * | 2013-06-29 | 2013-09-25 | 周琳 | Beautifying and slimming rehabilitation thermal insulation blanket |
| CN103445587A (en) * | 2013-08-09 | 2013-12-18 | 桐乡市万达利电器有限公司 | Lightweight electric blanket and production method thereof |
| CN111136981A (en) * | 2020-02-20 | 2020-05-12 | 辽宁瑷玛特新材料科技有限公司 | Radiation-proof loess composite non-woven fabric for threading and preparation method |
| CN117565535A (en) * | 2023-12-12 | 2024-02-20 | 江苏君澜纺织品有限公司 | A kind of graphene electric blanket production process |
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