WO2015137711A1 - 이중직을 이용한 에어 패드 - Google Patents

이중직을 이용한 에어 패드 Download PDF

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Publication number
WO2015137711A1
WO2015137711A1 PCT/KR2015/002317 KR2015002317W WO2015137711A1 WO 2015137711 A1 WO2015137711 A1 WO 2015137711A1 KR 2015002317 W KR2015002317 W KR 2015002317W WO 2015137711 A1 WO2015137711 A1 WO 2015137711A1
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WO
WIPO (PCT)
Prior art keywords
air
expanded portion
air pad
double
layer
Prior art date
Application number
PCT/KR2015/002317
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
장동호
장규희
Original Assignee
주식회사 파비노
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 파비노 filed Critical 주식회사 파비노
Priority to EP15761862.0A priority Critical patent/EP3117740A4/en
Priority to US14/911,454 priority patent/US20160192784A1/en
Priority to JP2016554646A priority patent/JP2017512917A/ja
Publication of WO2015137711A1 publication Critical patent/WO2015137711A1/ko
Priority to IL247538A priority patent/IL247538A0/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/10—Fluid mattresses or cushions with two or more independently-fillable chambers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/087—Fluid mattresses or cushions with means for connecting opposite sides, e.g. internal ties or strips
    • 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
    • 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
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic

Definitions

  • the present invention relates to an air pad, and more particularly, since the air is contained inside the double weave, it is excellent in heat insulation and sound insulation, and accordingly, a heat insulating material, a sound insulation material, an air mat, an air bed, An air pad that can be used for the manufacture of a floating cover or the like.
  • air provides excellent cushioning because it is excellent in heat insulation and sound insulation and shrinks and expands in response to external pressure.
  • the air insulation insulating material and sound insulation material may include an air layer therein.
  • a product such as an air mat or an air bed is expanded by the air injected into the inner space, thereby providing a space for a person to lie down or sit down.
  • the air mat 1 has an enclosed space surrounded by an upper seat 2, a side seat 3, and a lower seat 4. Compressed air is injected.
  • the air mat 1 is disclosed in the Republic of Korea Utility Model Registration No. 295894 and the like.
  • the air mat is a thread (connecting yarn, 5)
  • the air mat is a thread (connecting yarn, 5)
  • This problem also has heat insulating material, sound insulation and floating cover having an air layer therein.
  • the present invention has been proposed to solve the above problems, and an object thereof is to provide an air pad having a sealed space into which air can be injected.
  • the air pad according to the present invention uses a double weave.
  • double weave is used as a material for making an air bag
  • the double weave for making an air bag includes an inflated portion, an unexpanded portion and a seam pattern, and its surface is coated with a silicone resin or the like.
  • the inflation portion expands by inflow of compressed air to protect the occupant from impact
  • the non-expansion portion supports the inflation portion.
  • the shim pattern portion is formed between the expanded portion and the non-expanded portion, and serves to prevent the compressed air from escaping to the outside and withstand the instantaneous impact caused by the expansion.
  • the double weaving fabric for manufacturing the airbag is maintained inside the inflation section only for a short time (about 5 to 6 seconds or more), and afterwards, to prevent the occupant (driver's) visibility and secondary damage (shock). It is made to exit.
  • the double weave is made of coarse nylon thread of about 420 deniers, has a heavy weight (350 g / m 2 to 450 g / m 2 ), and the coating layer is formed to suit it. .
  • such a double bag for manufacturing airbags may contain air therein but cannot be used as a thermal insulation material, sound insulation material, air mat, floating cover, etc., which maintains the air inside it for a considerable time. Because it must be.
  • the double-woven fabric for airbag manufacture is unsuitable for use as a thermal insulation, sound insulation, air mat, air bed, floating cover, etc., because of the heavy weight, the air permeability of the silicone coating and the frictional force is too large.
  • the double woven fabric for airbag manufacture includes an inflation portion, an non-expansion portion, and a shim pattern portion, it must be manufactured using a jacquard loom, and thus there is a problem that the manufacturing cost is very expensive.
  • the double weave used in the present invention is the same as the double weave for airbag manufacture in that it is made by weaving and may contain compressed air therein, but airtightness, material and thickness of the seal, coating, weight, touch and the like are insulated. It is suitable for insulation, sound insulation, air mat, air bed, etc., and its composition is improved so that it can be manufactured without using expensive jacquard loom.
  • the air pad according to the present invention is not only completely different from the technical field of the air bag, but also its configuration and effects are not to be regarded as merely use inventions that simply change their use.
  • the air pad according to the present invention includes an inflation portion 10, an non-expansion portion 20, and a coating layer 40.
  • the inflation section 10 consists of an upper fabric layer 11 and a lower fabric layer 13 which can be separated from each other, and enters the space 15 between the upper fabric layer 11 and the lower fabric layer 13. Can be expanded by compressed air.
  • the non-expansion portion 20 is formed to be continuous to the expansion portion 10 between the expansion portion 10 and consists of a single layer.
  • the coating layer 40 is formed on the surfaces of the expanded portion 10 and the non-expanded portion 20 to prevent the compressed air of the space 15 to flow out.
  • the inflated portion 10 and the non-expanded portion 20 are repeatedly formed, the inflated portion 10 is made of plain weave and the non-expanded portion 20 is made of basket weave.
  • the air pad has a cover factor value of 2000 to 2200 calculated by the following equation.
  • the double woven fabric of the air pad may be made of polyester yarn of 50 denier to 120 denier or polypropylene yarn of 100 denier to 300 denier. At this time, the seam pattern part between the expansion part 10 and the non-expansion part 20 can be eliminated.
  • the expansion part 10 and the non-expansion part 20 may be made of polyester, and the coating layer 40 may be made of thermoplastic polyurethane (TPU).
  • the coating amount of the coating is preferably 60g / m 2 to 150g / m 2 .
  • a polyester mesh for protecting the air pad may be padded on the coating layer 40.
  • the expansion part 10 and the non-expansion part 20 may be made of polypropylene, and the coating layer 40 may be made of polypropylene.
  • the coating amount of the coating is preferably 140g / m 2 to 200g / m 2 .
  • a polypropylene mesh for protecting the air pad may be padded on the coating layer 40.
  • the non-expansion portion 22 made of a single layer may be formed on the edge of the double-woven fabric according to the present invention.
  • the non-expanded portion 22 is formed of a basket weave, the inflated portion 10 and the non-expanded portion 20 are repeatedly formed inside the edge, but the non-expanded portion 20 is formed at a predetermined interval d (s). Can be.
  • an inflating portion 10 is formed at the edge of the double woven fabric, and the upper fabric layer 11 and the lower fabric layer 13 forming the inflating portion 10 of the rim are formed by the adhesive 55. It may be bonded to each other to ensure airtightness.
  • the air pad as described above may be used as a heat insulating material, sound insulation, an air mat, an air bed, a floating cover, and the like.
  • the double-woven fabric is preferably ironed in a heated state of 70 to 100 degrees before forming the coating layer (40).
  • the prewoven heat treated double woven fabric has a smaller heat shrinkage and improved form stability in a later coating layer formation process.
  • a method of manufacturing an air pad includes (a) an expansion part 10 that can be inflated by compressed air, and is formed to be continuous to the expansion part 10 between the expansion parts 10 and is a single layer. Preparing a double-woven fabric comprising a non-expansion portion 20 made of; And (b) forming a coating layer 40 on the double-woven fabric after step (a).
  • the coating layer 40 prevents the compressed air of the space 15 from leaking out, the expansion part 10 is made of plain weave, and the non-expansion part 20 is made of basket weave.
  • the double woven fabric has a cover factor value of 2000 to 2200 calculated by the following equation.
  • the pre-heat treatment step is further included between the steps (a) and (b).
  • the pre-treatment step allows the biwoven fabric to be ironed by passing it between rolls while the biwoven fabric is heated to 70 degrees to 100 degrees.
  • the present invention has the following effects.
  • the air pad according to the present invention can prevent the bulging of the middle portion of the upper and lower fabric layers 11 and 13 because the expansion portion and the non-expansion portion is formed repeatedly, and thus compressed air When injected it can form a flat surface.
  • the pre-heat treatment of the double-woven fabric before the coating layer is formed can reduce the shrinkage rate due to thermal processing and ensure form stability. That is, by reducing the shrinkage rate it is possible to prevent the twisting and wrinkles of the air pad, thereby forming a flat surface when compressed air is injected.
  • the double-woven fabric used in the present invention can be made without using an expensive loom such as jacquard, the manufacturing cost is very low.
  • FIG. 1 is a perspective view of some cutaways showing a typical air mat.
  • FIG. 2 is a plan view showing an air pad according to a preferred embodiment of the present invention.
  • FIG. 3 is a cross-sectional view showing that the air pad of FIG. 2 is inflated by compressed air;
  • FIG. 4 is an enlarged view of a portion A of FIG. 3.
  • FIG. 5 is a plan view showing an air pad according to another preferred embodiment of the present invention.
  • FIG. 6 is a cross-sectional view taken along line BB ′ of FIG. 5.
  • FIG. 7 is a perspective view showing that the air pad of FIG. 5 is inflated by compressed air;
  • FIG. 8 is a cross-sectional view taken along line CC ′ of FIG. 7.
  • FIG. 9 is a plan view showing an air pad according to another preferred embodiment of the present invention.
  • FIG. 10 is a cross-sectional view taken along line D-D 'of FIG.
  • FIG. 11 is a plan view showing a double woven fabric used to make the air pad of FIG.
  • FIG. 12 is a block diagram showing a pre-heat treatment process for making an air pad according to the present invention.
  • expansion portion 11 upper fabric layer
  • Figure 2 is a plan view showing an air pad according to a preferred embodiment of the present invention
  • Figure 3 is a cross-sectional view showing that the thermal air pad is inflated by compressed air
  • Figure 4 is an enlarged portion A of FIG.
  • the air pad 100 includes a double woven fabric and a coating layer 40 formed on the surface of the double woven fabric.
  • the double woven fabric includes inflated portion 10 and non-expanded portion 20, 22.
  • the inflation portion 10 includes an upper fabric layer 11 and a lower fabric layer 13, in which, in the drawing, the inflation portion 10 is separated from the non-expansion portions 20 and 22 by a line. have. That is, the remaining portion except for the non-expanded portions 20 and 22 is the expanded portion 10.
  • the dividing line is formed on the double-woven fabric because the weaving methods of the expanded portion and the non-expanded portion are different.
  • the upper fabric layer 11 and the lower fabric layer 13 are expanded by compressed air injected into the space 15 therebetween.
  • the upper fabric layer 11 and the lower fabric layer 13 are made of plain weave.
  • the compressed air is injected into the expansion part 10 through the injection port 30.
  • the injection hole 30 is formed to penetrate the edge.
  • the injection hole 30 may be provided with a valve and / or a stopper (not shown) to inject compressed air into the expansion part 10 and to prevent the injected compressed air from being discharged to the outside.
  • the unexpanded portions 20 and 22 are formed of a single layer, and are made of a basket weave, preferably a 2 x 2 basket weave or a 3 x 3 basket weave.
  • the non-expanded portion 22 is formed at the edge and the non-expanded portion 20 is formed between the expanded portions 10 inside the edge.
  • the non-expansion portions 20 and 22 support the expansion portion 10 without expanding and prevent the compressed air from leaking out.
  • the non-expansion part 20 may be formed in various shapes such as a circle, a rectangle, a pentagon, a triangle, and a straight line.
  • interval d is constant. If the distance d between the non-expanded parts 20 is constant, the height h when the inflated part 10 is inflated may be constant, so that it is suitable for use as an air mat or an air bed. .
  • the non-expanded portion 22 formed on the edge of the double-woven fabric is preferably wider than the non-expanded portion 20 in order to increase air tightness.
  • the air pad 100 allows the compressed air to remain inside the inflation section 10 for a significant period of time.
  • the double woven fabric has a cover factor of 2000 to 2200.
  • the cover factor is calculated by Equation 1 below.
  • cover factor value is less than 2000, air tightness is not preferable, so it is not preferable as an air pad, and if the cover factor value exceeds 2200, it is not easy to manufacture realistically.
  • Compressed air injected into the air pad can maintain a gage pressure of approximately 0.18 bar to 0.25 bar for 10 to 25 days. Accordingly, the air pad can be used as a thermal insulation material, soundproof material, air mat, air bed, etc. Can be. This pressure retention (confidentiality) is made of the double woven fabric and the coating layer 40 in cooperation.
  • the expanded portion 10 and the non-expanded portions 20 and 22 may be made of polyester or polypropylene.
  • the air pad 100 is 220 g / m 2 to 330 g. It is preferable to have a weight of / m 2, the air pad 100 is 400g / when the inflation portion 10 and the non-expansion portion 20, 22 is made of polypropylene and the coating layer 40 is made of polypropylene It is preferred to have a weight of m 2 to 480 g / m 2 .
  • the weight of the air pad 100 is less than the lower limit, it is difficult to satisfy the properties required for the product (elongation resistance, expansion strength, durability, etc.) required for the product. If the air pad 100 is larger than the upper limit, the product becomes excessively heavy and seals. It is not preferable because it becomes thicker than necessary and a seam pattern part is required.
  • the thickness of the yarn is preferably 50 denier to 120 denier, more preferably 75 to be.
  • the thickness of the yarn is preferably 100 denier to 300 denier, and more preferably, the thickness of the yarn is 250 deier. to be.
  • the thickness of the yarn exceeds the upper limit, it is not preferable because the weight of the product becomes heavy and the air tightness falls, and if the thickness of the yarn is less than the lower limit, it is not preferable because the elongation resistance is poor when the compressed air is injected.
  • the double-woven fabric according to the present invention consists of the inflation portion 10 and the non-expansion portion 20, 22, and does not have a seam pattern portion.
  • the seam pattern part is formed between the inflation portion and the non-expansion portion in the double bag for manufacturing the airbag, and supports the impact when the airbag is inflated rapidly and prevents compressed air from escaping.
  • the double woven fabric for manufacturing an air bag has a core pattern portion, it is manufactured using a jacquard loom and cannot be manufactured with a general loom.
  • the core pattern part is required. Therefore, since it can be produced by a general loom such as a rapier loom, the manufacturing cost thereof is very low as much as about 1/4 compared to a double loom for manufacturing airbags.
  • the coating layer 40 is formed on the surfaces of the expanded portion 10 and the non-expanded portion 20, 22 to maintain air tightness.
  • the coating may also be formed by a knife coat method, a doctor blade method, a spray coating method, or the like, but is preferably formed by extrusion.
  • the coating layer 40 is preferably made of thermoplastic polyurethane (TPU, thermoplastic polyurethane) or polypropylene.
  • the coating layer 40 made of thermoplastic polyurethane is soft to be excellent in touch and excellent in scratch resistance.
  • silicone coatings which are frequently used in airbag manufacturing, are not suitable for air mats, air beds, etc. because of their high air permeability and too high friction.
  • the coating amount of the thermoplastic polyurethane is preferably 60 g / m 2 to 150 g / m 2 .
  • a polypropylene coating amount of the polypropylene is preferably from 140g / m 2 to 200g / m 2.
  • the product using the polyester yarn in the air pad 100 according to the present invention has a thickness of about 0.42 mm to 0.52 mm after coating, and the product using a polypropylene yarn has a thickness of about 0.6 mm to 0.85 mm after coating.
  • the air pad 100 may be further provided with a mesh fabric (not shown in the figure), the mesh fabric can be bonded to the product by applying a pressure on the coating layer and pressing the mesh fabric before the coating liquid is cured. have.
  • the mesh fabric prevents the air pad 100 from being damaged by a stone or a protruding object when the air pad 100 is used by being spread on the ground or grass.
  • the mesh fabric may be provided on both sides of the air pad 100, but is preferably provided only on the surface in contact with the ground or grass, so as to reduce the weight and reduce the cost.
  • the mesh fabric is preferably made of polyester mesh.
  • the polyester mesh has a weight of 40 g / cm 2 or less, so the whole product has a weight of 260 g / m 2 to 370 g / m 2 .
  • the mesh fabric is preferably made of polypropylene mesh.
  • the polypropylene mesh is because of the weight of less than 40g / cm 2 overall product has a weight of 440g / m 2 to 520g / m 2.
  • polyester mesh and the polypropylene mesh are mesh type fabrics, the polyester mesh and the polypropylene mesh may be easily purchased on the market, and thus description thereof will be omitted.
  • Figure 5 is a plan view showing an air pad according to another embodiment of the present invention
  • Figure 6 is a cross-sectional view BB 'of Figure 5
  • Figure 7 is a perspective view showing that the air pad is inflated by the compressed air 8 is a cross-sectional view taken along line CC ′ of FIG. 7.
  • the same reference numerals as those of FIGS. 1 to 4 denote the same elements.
  • the air pad 200 has a double weave fabric and a coating layer 40 formed on the surface of the double weave fabric.
  • the double woven fabric is the same as the double woven fabric of FIG. 2 except that the expanded portion 10 and the non-expanded portions 20 and 22 are formed long along the longitudinal direction of the air pad 200.
  • non-expansion portion 22 is formed in the entire remaining portion of the edge of the double-woven fabric except for the air inlet 30, thereby preventing the compressed air injected into the expansion portion 10 to flow out.
  • reference numeral 35 is a valve (or plug) provided in the air inlet (30).
  • a plurality of non-expansion portions 20 are formed at predetermined intervals s in the width direction from the inside of the non-expansion portion 22, and are formed long along the longitudinal direction of the air pad 200. At this time, it is preferable that both ends of the non-expansion portion 20 is spaced apart from the non-expansion portion 22, so that the compressed air injected from the air inlet 30 can be diffused into the air pad 200. In order to provide a free space for the expansion unit 10 to expand as shown in FIG.
  • interval s between the non-expansion part 22 and the non-expansion part 20 are the same. If the interval s is constant, the height h when the inflating portion 10 is inflated may be constant, thereby making it suitable for use as an air mat or an air bed.
  • the coating layer 40 is the same as the coating layer 40 and the material, coating amount, coating thickness of the above-described air pad 100 will be omitted here.
  • the air pad 200 may be further provided with a mesh fabric (not shown in the drawing), wherein the mesh fabric is the same as the mesh fabric of the air pad 100 and the method of attaching the air pad to the air pad as described above. same.
  • FIG. 9 is a plan view illustrating an air pad according to another exemplary embodiment of the present invention
  • FIG. 10 is a cross-sectional view taken along line D-D 'of FIG. 9.
  • the same reference numerals as those of FIGS. 1 to 8 represent the same elements.
  • the air pad 300 has a double weave fabric and a coating layer 40 formed on the surface of the double weave fabric.
  • the coating layer 40 is the same as the coating layer 40 of the air pad 100 and 200 described above.
  • the double woven fabric is the same as the above-described double woven fabric except that the expansion part 10 is cut at its edge.
  • FIG. 11 shows such a double woven fabric, in which the expanded portion 10 and the non-expanded portion 20 are repeatedly formed and the non-expanded portion 20 is formed long along the longitudinal direction of the air pad 300. And the expansion portion 10 is located on the edge.
  • the upper fabric layer 11 and the lower fabric layer 13 forming the inflation portion 10 of the rim are bonded to each other by the adhesive 55 to prevent the internal air from flowing out.
  • the portion between the dotted line 51 and the outline 53 represents the bonded portion 50.
  • a double-woven fabric S10
  • the inflation portion 10 and the non-expansion portion 20 are repeatedly formed, and the non-expansion portion 20 is formed long along the longitudinal direction of the air pad 300.
  • Such double-woven fabrics can be easily manufactured by those skilled in the art with reference to the present specification using existing looms (eg, rapier looms).
  • the expansion unit 10 is cut at the edge of the double-woven fabric (S20).
  • the double woven fabric thus cut is passed between the rolls in a heated state of about 70 to 100 degrees (S30). Specifically, as shown in FIG. 12, the double-woven fabric is unwound while being wound on the unwinding roll 71 and is heated to about 70 to 100 degrees by the heating drum 73 while moving in the direction of the arrow. While passing between the rolls 75 in a heated state, wrinkles, form twists, and the like are removed (ironing effect) and then wound on the winding rolls 72.
  • the pre-heat treatment (pre-coating) process before the coating layer is formed there is an effect of reducing the heat shrinkage and form stability in a later coating layer 40 forming process.
  • a shrinkage of about 12% occurs when heat treatment is performed for about 15 minutes at 109 degrees in the case of the polypropylene double-woven fabric and poor form stability.
  • the shape stability refers to the degree to which there is a torsion or wrinkles in the coated product (air pad), if the shape stability is poor to form a twisted surface does not form a flat surface during injection of compressed air.
  • the heat shrinkage can be maintained at about 8% and the form stability can be improved. Therefore, the air pad 300 that has undergone the heat treatment process may form a flat surface when compressed air is injected.
  • the adhesive 55 is applied between the upper fabric layer 11 and the lower fabric layer 13 forming a border and bonded to form a coating layer 40 through heat processing. do.
  • the process of forming the coating layer 40 may be performed by coating (coating) a coating material (described above, thermoplastic polyurethane and polypropylene) on a double-woven fabric and then heat-processing for about 15 minutes at a temperature of about 109 degrees.
  • a coating material described above, thermoplastic polyurethane and polypropylene
  • the air pad 100, 200 is a thermal insulation, sound insulation, floating cover, air mat, air because the compressed air injected into the inner space 15 can be maintained for a considerable period It is suitable for products such as beds.
  • the insulation insulation, the soundproofing material, the air mat, the air bed, the floating cover, etc. can be completed simply by cutting the double-woven fabric and forming the coating layer, and then injecting compressed air, thereby greatly improving the manufacturing process and time of the product. Can be reduced.
  • the expanded portion 10 and the non-expanded portion 20 are repeatedly formed by using 75 denier polyester filament yarn as the warp and weft yarn, and the expanded portion 10 is made of plain weave and the non-expanded portion 20 is A double-woven fabric such as FIGS. 2 and 3 consisting of 2 ⁇ 2 basket weaves was prepared. At this time, the warp density and the weft density were 116 bones / inch and the cover factor was 2,010, respectively.
  • Both sides of the prepared double-woven fabric is coated with a thermoplastic polyurethane coating amount of 100 g / m 2 , and heat-treated for about 15 minutes at a temperature of 109 °C to form a coating layer 40 to prepare an air pad.
  • the expanded portion 10 and the non-expanded portion 20 are repeatedly formed by using 210 denier polypropylene filament yarn as the warp and weft yarn, and the expanded portion 10 is made of plain weave and the non-expanded portion 20 is A double-woven fabric such as FIGS. 2 and 3 consisting of 2 ⁇ 2 basket weaves was prepared. At this time, the warp density and the weft density were 62 bones / inch and the cover factor was 2,200, respectively.
  • the prepared double woven fabric was heated to about 80 ° C. in the heating drum 73 as shown in FIG. 12, and passed through the rolls 75 in a heated state to remove wrinkles, form distortion, and the like.
  • the polypropylene is coated on both sides of the double-woven fabric subjected to the pre-heat treatment process with a coating amount of 150 g / m 2 , and heat-treated for about 15 minutes at a temperature of 109 ° C. to form a coating layer 40, thereby manufacturing an air pad. It was.
  • the expanded portion 10 and the non-expanded portion 20 are repeatedly formed by using 75 denier polyester filament yarn as the warp and weft yarn, and the expanded portion 10 is made of plain weave and the non-expanded portion 20 is A double-woven fabric such as FIGS. 2 and 3 consisting of 2 ⁇ 2 basket weaves was prepared. At this time, the inclination density and the weft density were 127 bones / inch and the cover factor was 2,200, respectively.
  • the prepared double woven fabric was heated to about 80 ° C. in the heating drum 73 as shown in FIG. 12, and passed through the rolls 75 in a heated state to remove wrinkles, form distortion, and the like.
  • thermoplastic polyurethane was coated on both sides of the double woven fabric subjected to the pre-heat treatment process with a coating amount of 150 g / m 2 , and heat-treated at a temperature of 109 ° C. for about 15 minutes to form a coating layer 40.
  • a polyester mesh having a weight of 30 g / cm 2 is padded on the coating layer and pressed to bond to prepare an air pad.
  • the air pads of Examples 1 to 3 according to the present invention have a long term of 17 days or more when air of about 0.20 bar is injected into the air pad. It can be seen that the pressure of the initially injected air is maintained.
  • the air pad according to the embodiment of the present invention can be used as a thermal insulation, sound insulation, air mat, air bed and the like.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
PCT/KR2015/002317 2014-03-12 2015-03-11 이중직을 이용한 에어 패드 WO2015137711A1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15761862.0A EP3117740A4 (en) 2014-03-12 2015-03-11 Air pad using two-layer fabric
US14/911,454 US20160192784A1 (en) 2014-03-12 2015-03-11 Air pad using double weave
JP2016554646A JP2017512917A (ja) 2014-03-12 2015-03-11 二重織を用いたエアパッド
IL247538A IL247538A0 (en) 2014-03-12 2016-08-29 An airbag that uses a double weave

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140028947A KR101523538B1 (ko) 2014-03-12 2014-03-12 이중직을 이용한 보온용 에어 패드
KR10-2014-0028947 2014-03-12

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WO2015137711A1 true WO2015137711A1 (ko) 2015-09-17

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US (1) US20160192784A1 (ja)
EP (1) EP3117740A4 (ja)
JP (1) JP2017512917A (ja)
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ES2820198T3 (es) 2013-07-18 2021-04-19 Intex Marketing Ltd Baño de hidroterapia inflable
KR101755259B1 (ko) * 2015-07-24 2017-07-07 주식회사 파비노 이중직을 이용한 호스 및, 그 제조방법
WO2018110744A1 (ko) * 2016-12-15 2018-06-21 주식회사 파비노 이중직을 이용한 호스 및, 그 제조방법

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IL247538A0 (en) 2016-11-30
EP3117740A4 (en) 2017-11-22
JP2017512917A (ja) 2017-05-25
EP3117740A1 (en) 2017-01-18
KR101523538B1 (ko) 2015-06-01
US20160192784A1 (en) 2016-07-07

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