WO2020026785A1 - 工業用二層織物 - Google Patents

工業用二層織物 Download PDF

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Publication number
WO2020026785A1
WO2020026785A1 PCT/JP2019/027881 JP2019027881W WO2020026785A1 WO 2020026785 A1 WO2020026785 A1 WO 2020026785A1 JP 2019027881 W JP2019027881 W JP 2019027881W WO 2020026785 A1 WO2020026785 A1 WO 2020026785A1
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WIPO (PCT)
Prior art keywords
warp
surface side
fabric
design
industrial
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PCT/JP2019/027881
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English (en)
French (fr)
Japanese (ja)
Inventor
上田　郁夫
村上　晋也
英之 梁井
Original Assignee
日本フイルコン株式会社
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.)
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Application filed by 日本フイルコン株式会社 filed Critical 日本フイルコン株式会社
Priority to CA3108043A priority Critical patent/CA3108043A1/en
Priority to EP19843271.8A priority patent/EP3831993A4/en
Priority to CN201980049447.9A priority patent/CN112513354A/zh
Publication of WO2020026785A1 publication Critical patent/WO2020026785A1/ja
Priority to US17/159,579 priority patent/US20210148015A1/en

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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0036—Multi-layer screen-cloths
    • 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
    • D03D15/40—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 structure of the yarns or threads
    • D03D15/44—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 structure of the yarns or threads with specific cross-section or surface shape
    • D03D15/46—Flat yarns, e.g. tapes or films

Definitions

  • the present invention relates to a novel industrial two-layer fabric capable of reducing the net thickness of a two-layer fabric, having excellent rigidity, abrasion resistance, dewatering properties, and suppressing marks, and capable of coping with a high-speed paper machine.
  • the fabric becomes a flat yarn structure, and furthermore, the effect of slow dewatering and low water retention by the warp binding structure.
  • the present invention relates to an industrial two-layer fabric that exhibits
  • warp and weft woven fabrics have been widely used as industrial fabrics.
  • the requirements for papermaking woven fabrics used in the papermaking process of dewatering raw materials using the woven mesh are particularly severe.
  • fiber support, improvement in papermaking yield, dimensional stability, running stability, and the like are required.
  • the speed of papermaking machines has been increasing, and accordingly, the demand for papermaking fabrics has become more severe.
  • the amount of water retention can be reduced. Therefore, simply reducing the diameter of the warp to reduce the mesh thickness is performed, but in such a case, the mesh becomes coarse, the rigidity is reduced by the mesh strength, and excessive mesh space is generated, so that the In this case, the raw material does not stay and falls off, causing a decrease in yield.
  • a layer of fibers (hereinafter, referred to as “initial mat”) is formed on the woven fabric by dehydration when the raw material is discharged onto the woven fabric (hereinafter, referred to as “initial dehydration”). When the dewatering speed of the woven fabric is high, a strong initial mat is formed due to clogging of fibers in the woven mesh.
  • a strong initial mat will clog the mesh of the fabric before the dehydration of the raw material is completed, so the subsequent dehydration will be incomplete, causing poor dewatering and deteriorating the paper formation etc. And the dehydration performance was unstable.
  • the speed of dehydration of the woven fabric is determined by the influence of the surface of the woven fabric, the internal space, and the like.
  • the industrial woven fabric having a triple woven structure in which the upper woven fabric and the lower woven fabric are joined with binding yarns has a high dewatering speed, and the dewatering speed is set by setting the weft density high to suppress initial dewatering.
  • the dewatering speed is set by setting the weft density high to suppress initial dewatering.
  • Such a conventional technique is a two-layer woven fabric in which a part of the warp functions as a binding yarn for weaving the upper side layer and the lower side layer, and the pair of warp binding yarns has an upper side warp structure and a lower side. Since the warp structures are complemented to form each surface structure, the fabric has excellent surface properties and binding strength. However, it is necessary to break and bond a part of the knuckle of the structure, and it is essential to complement the knuckle with another warp at such a location. At this time, it has been known that crossing portions appear successively between adjacent warps, so that dewatering resistance is generated, which is likely to cause a mark on paper.
  • Patent Document 2 discloses an industrial two-layer fabric in which a pair of an upper surface side warp and a warp binding yarn is arranged for the purpose of uniform dehydration.
  • This woven fabric has a uniform structure formed on the surface by combining the upper surface side knuckle and the upper surface side warp structure of the warp binding yarn that interweaves the upper and lower surfaces.
  • the texture does not collapse because the two warps cooperate to form a texture of one warp on the surface, but one or both of the warps must break the texture of the warp itself.
  • the warps are arranged as a set of two warps, but two warps overlap on the line for one warp.
  • An object of the present invention is to provide an industrial two-layer fabric that satisfies the basic characteristics of a fabric such as rigidity, abrasion resistance, dehydration, mark suppression, and low water retention for reducing water retention.
  • the present invention also provides a novel industrial two-layer fabric corresponding to a high-speed paper machine. That is, the correlation between the dewatering property and the water retention is an important factor in increasing the speed of industrial two-layer fabrics, and furthermore, a high yield is required by suppressing the removal of raw materials.
  • the present invention provides an industrial two-layer fabric that improves the dewatering property and realizes low water retention by improving the opening and the internal space on the upper surface side and the lower surface side, increasing the amount of dehydration while suppressing initial dehydration, and the like.
  • the purpose is to provide.
  • the upper surface side weft can be arbitrarily designed by making the ratio of the warp space between the upper surface side fabric and the lower side side fabric approximately the same, and giving a difference in the wire diameter between the upper surface side weft and the lower surface side weft. It is an object of the present invention to provide an industrial two-layer fabric in which the dewaterability and the water retention can be adjusted by changing the ratio of the weft to the lower surface side.
  • the industrial two-layer fabric according to the present invention has a first structure in which upper surface side warps are arranged in two sets and at least one of the two sets of warp has a warp having a binding function;
  • a second structure using flat yarns it is characterized by realizing high dehydration and low water retention while having rigidity. That is, the present invention employs the following configurations in order to solve the above-described problems.
  • the present invention has the following features to attain the object of the prior art.
  • the industrial double layer fabric has at least a first structure in a complete structure.
  • a first design is formed by a set of two upper surface side warps and one lower surface side warp
  • the second design is formed by one upper surface side warp and one lower surface side warp.
  • the first structure and the second structure are formed adjacent to each other, and the upper surface side warp in the first structure has a function of binding the upper surface side fabric and the lower surface side fabric.
  • the two sets of upper side warps forming the first design are formed by knotting, and are arranged adjacent to each other to partially form a ridge on the surface of the upper side fabric, and the wire diameter of the lower side warp is
  • the second design is larger than the wire diameter of the upper surface side warp forming the first design
  • Definitive upper surface side warp is an industrial two-layer fabric, characterized in that it is formed by a flat warp.
  • the ridge weave means that two upper side warps are arranged adjacently, and both yarns pass above and below the upper side weft to form a knuckle on the surface of the fabric.
  • the two upper side warps are binding yarns, and complement each other to exhibit a binding function.
  • the flat yarn in the present invention refers to a yarn having a cross-sectional shape that is not circular but a shape whose upper and lower surfaces are substantially flat.
  • the flat yarn of the present invention includes not only a rectangular cross-section but also an elliptical cross-section, but a yarn whose width is larger than its upper and lower diameters is used.
  • the preferred aspect ratio is 1.1 to 2.0.
  • the wire diameter of the yarns constituting the woven fabric was reduced to suppress the net thickness.
  • the warp space on the upper surface side is larger than the lower surface side.
  • the net thickness is suppressed by a combination of two thin warps and a flat warp, so that the dewatering speed can be controlled.
  • the present invention has a structure in which a woven structure is constituted by two warps and bonded, at least one of the two binding yarns has both the woven structure structure and the bonding structure structure. With the other pair forming the upper surface at that portion, the effect of minimizing the collapse of the woven structure at the joint can be achieved.
  • the wire diameter of the lower surface side warp exceeds 300% of the wire diameter of the upper surface side warp, the space of the woven fabric itself is reduced, and there is a risk that a problem occurs from the viewpoint of the dewatering speed.
  • the aspect ratio of the flat warp is 1.1 to 2.0.
  • the aspect ratio of the flat warp is less than 1.1, a sufficiently thin mesh thickness cannot be obtained.
  • the aspect ratio of the flat warp exceeds 2.0, the flat yarn itself becomes thin, the space of the woven fabric itself is reduced, the strength of the woven fabric is reduced, and there is a risk of affecting the dewatering property.
  • the industrial two-layer fabric according to any one of (1) to (3), wherein the first structure and the second structure are alternately arranged Is an industrial two-layer fabric described in 1. above.
  • the yarn constituting the industrial two-layer fabric according to the present invention there is an upper side warp interwoven with the upper side weft, a warp binding yarn interwoven with both the upper side weft and the lower side weft, and the upper side warp.
  • the warp binding yarns constitute a set of warp binding yarns arranged vertically.
  • the upper surface side warp is woven only with the upper surface side weft
  • the warp binding yarn is woven with both the upper surface side weft and the lower surface side weft, so that they are completely overlapped It is not, it is actually staggered.
  • a set of upper and lower warps composed of upper side warps interwoven with upper side wefts and lower side warps interwoven with lower side wefts may be arranged.
  • the configuration of the industrial two-layer fabric according to the present invention it is possible to obtain the effect of satisfying the basic characteristics of the fabric such as rigidity, abrasion resistance, dehydration, mark suppression, and low water retention that reduces the amount of water retention. be able to. Further, by employing the configuration of the industrial double-layer fabric according to the present invention, a new industrial double-layer fabric corresponding to a high-speed paper machine can be provided.
  • the present invention can realize slow dewatering and low water retention by a warp binding structure having a woven fabric having a flat yarn structure by combining a flat warp with a warp weave. And has an excellent effect of having low water retention.
  • the ratio of the warp space of the upper side fabric and the lower side fabric can be made substantially the same, so that the wire diameter of the upper side weft and the lower side weft is
  • the difference in the space density can be arbitrarily designed by giving a difference to each other, and by changing the ratio of the upper surface side weft to the lower surface side weft, it is possible to obtain the effect of enabling adjustment of dehydration and water retention.
  • FIG. 9 is a design diagram showing a complete structure according to Embodiment 2 of the present invention.
  • FIG. 11 is a design diagram showing a complete structure according to Embodiment 3 of the present invention.
  • FIG. 10 is a partial side view showing a state of a warp viewed from a side according to Embodiment 3 of the present invention.
  • FIG. 14 is a design diagram showing a complete structure according to Embodiment 4 of the present invention. It is a partial side layout drawing showing the state of the warp seen from the side concerning Embodiment 4 of the present invention.
  • the industrial two-layer fabric according to the present invention is an upper surface fabric comprising an upper surface side warp and an upper surface side weft, and an industrial two layer fabric comprising a lower surface side warp and a lower surface side weft.
  • the complete design has at least a first design and a second design, and the first design is formed by a pair of upper surface side warps and one lower surface side warp.
  • the first design and the second design are formed by a book and one lower side warp, and the first design and the second design are arranged adjacent to each other, and the upper surface side warp in the first design includes an upper surface side fabric and a lower surface side fabric.
  • the upper surface side warp of the two sets forming the first design is formed by a warp binding yarn having a function of binding, and constitutes a part ridge weave on the surface of the upper surface side fabric,
  • the wire diameter of the lower side warp is larger than the wire diameter of the upper side warp forming the first texture. Ku, and wherein the upper surface side warp in the second tissue is formed by a flat warp.
  • the yarn used in the present invention may be selected depending on the application.For example, in addition to monofilaments, multifilaments, spun yarns, generally textured yarns subjected to crimping or bulking, bulky yarns, stretch yarns and the like A processed yarn, or a yarn obtained by twisting them and combining them can be used.
  • the cross-sectional shape of the yarn other than the flat warp may be not only circular but also star-shaped, rectangular or polygonal, or elliptical or hollow.
  • the material of the yarn can be freely selected, and polyester, polyamide, polyphenylene sulfide, polyvinylidene fluoride, polypro, aramid, polyether ether ketone, polyethylene naphthalate, polytetrafluoroethylene, cotton, wool, metal, etc. are used. it can.
  • a yarn in which various substances are blended or contained in the copolymer or these materials depending on the purpose may be used.
  • the industrial fabric it is preferable to use a polyester monofilament having rigidity and excellent dimensional stability for the upper side warp, the lower side warp, the lower warp binding yarn, and the upper side weft.
  • FIG. 1 is a conceptual diagram for explaining the knuckle shape and height of a warp constituting the present invention.
  • FIG. 1 (a) is a conceptual diagram showing a conventional weaving portion using a warp and a weft. It is a conceptual diagram showing a knuckle shape and height using a warp and a weft of a wire diameter in a woven fabric.
  • FIG. 1B is a diagram in which two sets of upper side warps 1t and 2t in the first design are arranged below the upper side weft 1′u.
  • 1C is a diagram in which the flat warp 3h in the second design is arranged below the upper surface side weft 1′u.
  • the warp used for the first design in the present invention is characterized in that the upper surface side warp has a smaller yarn diameter than the lower surface side warp. Therefore, as shown in FIG. 1, the longitudinal lengths L2 and L3 of the knuckle shape formed by the upper surface side warps 1t and 2t and the flat warp yarn 3h may be smaller than the longitudinal length L1 of the conventional knuckle shape formed by a yarn having a wire diameter. I understand.
  • the industrial two-layer fabric according to the present invention can form a flat knuckle shape on the upper surface texture side as compared with the conventional industrial two-layer fabric, so that a fabric having a reduced net thickness can be obtained. it can.
  • the weft woven into two warps or flat warps has a flat knuckle shape, so that surface smoothness and fiber supportability can be improved.
  • the mesh can be adjusted to be small without increasing the thickness, it is possible to provide a dehydration characteristic which has not been conventionally provided.
  • the present invention since the present invention has a structure in which the woven structure is composed of two warps and is bonded, one of the two sets of the binding yarn has both the texture structure and the bonding texture structure. And the other one of the yarns constituting the upper surface side can minimize the collapse of the weaving structure at the joint location.
  • the upper surface side warps can all have the same wire diameter.
  • the diameters of the lower surface side warps may be all the same.
  • the wire diameter of the lower side warp may be configured to be 130 to 300% of the wire diameter of the upper side warp.
  • the net diameter was controlled by reducing the wire diameter of the yarn forming the woven fabric, but in the case of an industrial double-layer woven fabric having different vertical diameters, the space of the warp on the upper surface side is larger than that on the lower surface side. It was difficult to achieve both dehydration suppression and mesh thickness suppression.
  • the combination of two thin warps and flat warps enables the dehydration rate to be adjusted while maintaining the net thickness.
  • the diameter of the upper surface side warp composed of two sets constituting the first design is smaller than the diameter of the upper surface side warp composed of one set constituting the second design. May be.
  • the force applied to the weft at the time of knuckle formation can be made comparable to that of the one set, and the surface smoothness and the fiber support Properties and the like can be improved.
  • the wire diameter can be adjusted by selecting the wire diameter together with the wire, the wire diameter and the wire can be appropriately selected.
  • an on-stack structure may be adopted. By having an on-stack structure, high dewatering properties can be obtained.
  • the surface structure is ridged, the warp is appropriately closed with two yarns, and the openings on the upper and lower sides are excessively large. Since the difference can be suppressed, the dehydration rate can be controlled.
  • FIGS. 2 to 9 are a design diagram and a partial side view showing an example of the industrial double-layer fabric of the present invention.
  • the design diagram is the smallest repeating unit of the fabric structure, and this complete structure is connected vertically and horizontally to form the structure of the entire fabric.
  • the warp is indicated by Arabic numerals, for example, 1, 2, 3,.
  • the weft is indicated by Arabic numerals with dashes, for example, 1 ', 2', 3 ',.
  • the binding yarn is the upper surface side warp constituting the first design.
  • the mark x indicates that one upper side warp constituting the first design is located above the upper side weft
  • the mark ⁇ indicates that the upper side warp is located below the lower side weft.
  • Upper surface side warps and lower surface side warps and upper surface side wefts and lower surface side wefts, which are assigned the same numbers, are arranged vertically.
  • the yarns are arranged so that they are exactly overlapped vertically, or the lower surface side warp is arranged at an intermediate point between the two upper surface side warps. May be arranged with a slight shift in the fabric.
  • FIG. 2 is a design diagram of the first embodiment according to the industrial two-layer fabric of the present invention.
  • FIG. 3 is a partial side view of Embodiment 1 of the industrial two-layer fabric of the present invention.
  • the first design according to the first embodiment includes a pair of upper surface side warps and one lower surface side warp.
  • the upper surface side warp in the first design is formed by a warp binding yarn having a function of binding the upper surface side fabric and the lower surface side fabric.
  • the two sets of upper side warps forming the first design are arranged adjacent to each other and partially constitute a ridge weave on the surface of the upper side fabric.
  • the second design is composed of one upper surface side warp and one lower surface side warp.
  • the upper surface side warp in the second design is formed by a flat warp. Further, as shown in FIG. 2, the first tissues 1, 3, 5 and the second tissues 2, 4, 6 are arranged adjacently and alternately. Further, the wire diameter of the lower surface side warp is formed larger than the wire diameter of the upper surface side warp forming the first design.
  • one upper side warp 1 in the first design passes under the lower side weft 1 ′, and the upper side wefts 5 ′, 7 ′, 9 ′, 11. It is a tissue passing above ', 13', 15 ', 17', 19 ', 21'.
  • the other upper side warp 1 in the first design passes above the upper side wefts 1 ', 3', 5 ', 7', 9 ', passes below the lower side weft 13', and further passes on the upper side.
  • the structure passes over the wefts 17 ', 19', 21 ', and 23'.
  • the lower surface side warp 1 passes below the lower surface side wefts 1 'and 13'.
  • the upper surface side warp 1 of the two sets in the first design has the upper surface side wefts 5 ′, 7 ′, 9 ′ and 17 ′, 19 ′, 21 ′ of the upper side woven fabric. A part of the ridge will be formed on the surface.
  • the upper surface side warp 2 which is a flat warp in the second design is the upper surface side weft 2 ′, 4 ′, 6 ′, 8 ′, 10 ′, 12 ′, 14 ′, 16 ′, 18 ′, 20 ′,
  • a plain weave is formed by passing over the upper sides of 22 'and 24'.
  • the lower surface side warp 2 in the second design passes below the lower surface side wefts 3 'and 15'.
  • the first design in the industrial two-layer fabric according to the first embodiment forms a pseudo flat yarn by arranging two thin upper surface side warps side by side on a part of the surface of the upper surface side fabric to form a ridge weave. be able to. Further, by arranging the flat warp in the second structure adjacent to the first structure, it is possible to secure a suitable rigidity and elongation resistance while suppressing the thickness, similarly to a woven fabric forming a surface structure using only the flat yarn.
  • the present invention can provide a woven fabric having excellent abrasion resistance, suitable dehydration properties, low water retention and surface smoothness. In addition, by adopting the woven fabric structure according to the first embodiment, it is possible to reduce the mesh while suppressing the thickness of the woven fabric.
  • FIG. 4 is a design diagram of Embodiment 1 of the industrial two-layer fabric of the present invention.
  • FIG. 5 is a partial side view of Embodiment 2 of the industrial two-layer fabric of the present invention.
  • the first design according to the second embodiment includes a pair of upper surface side warps and one lower surface side warp.
  • the upper surface side warp in the first design is formed by a warp binding yarn having a function of binding the upper surface side fabric and the lower surface side fabric.
  • the two sets of upper side warps forming the first design are arranged adjacent to each other and partially constitute a ridge weave on the surface of the upper side fabric.
  • the second design is constituted by one upper surface side warp and one lower surface side warp.
  • the upper surface side warp in the second design is formed by a flat warp. Further, as shown in FIG. 4, the first tissues 1, 3, 5 and the second tissues 2, 4, 6 are arranged adjacently and alternately. Further, the wire diameter of the lower surface side warp is formed larger than the wire diameter of the upper surface side warp forming the first design.
  • one upper side warp 1 in the first design passes above the upper side wefts 1 ', 3', 5 ', and 7', and the lower side weft 10 '.
  • the other upper surface side warp 1 in the first design passes under the lower surface side weft 1 ', and the upper surface side wefts 3', 5 ', 7', 9 ', 11', 13 ', 15', 17.
  • the organization passes above the '.
  • the lower surface side warp 1 passes below the lower surface side wefts 1 'and 10'. Therefore, as is apparent from FIG.
  • the upper surface side warp 1 of the two sets in the first design has the upper surface side wefts 3 ', 5', 7 'and 13', 15 ', 17' of the upper side fabric. A part of the ridge will be formed on the surface.
  • the upper surface side warp 2 which is a flat warp in the second design passes over the upper surface side wefts 2 ', 4', 6 ', 8', 10 ', 12', 14 ', 16', 18 '. It forms a plain weave.
  • the lower surface side warp 2 in the second design passes below the lower surface side wefts 2 'and 11'.
  • the first design in the industrial two-layer fabric according to the second embodiment forms a pseudo flat yarn by arranging two thin upper surface side warps side by side on a part of the surface of the upper surface side fabric to form a ridge weave. be able to. Further, by arranging the flat warp in the second structure adjacent to the first structure, it is possible to secure a suitable rigidity and elongation resistance while suppressing the thickness, similarly to a woven fabric forming a surface structure using only the flat yarn. And a woven fabric having excellent abrasion resistance, suitable dehydration properties and surface smoothness. In addition, by adopting the woven fabric structure according to the second embodiment, the mesh can be reduced while the thickness of the woven fabric is suppressed. Therefore, the dehydration characteristics can be adjusted by selecting the wire diameter of the yarn. Further, since the knuckle shape of the weft can be flattened by the two ridge weave structures, the surface smoothness and the fiber supportability can be improved.
  • FIG. 6 is a design diagram of Embodiment 3 according to the industrial two-layer fabric of the present invention.
  • FIG. 7 is a partial side view of Embodiment 3 of the industrial two-layer fabric of the present invention.
  • the first design according to the third embodiment includes a pair of upper surface side warps and one lower surface side warp.
  • the upper surface side warp in the first design is formed by a warp binding yarn having a function of binding the upper surface side fabric and the lower surface side fabric.
  • the two sets of upper side warps forming the first design are arranged adjacent to each other and partially constitute a ridge weave on the surface of the upper side fabric.
  • the second design is composed of one upper surface side warp and one lower surface side warp.
  • the upper surface side warp in the second design is formed by a flat warp. As shown in FIG. 6, the first tissues 1, 3, 5 and the second tissues 2, 4, 6 are arranged adjacent to each other. Further, the wire diameter of the lower surface side warp is formed larger than the wire diameter of the upper surface side warp forming the first design.
  • the one upper surface side warp 1 in the first design passes above the upper surface side wefts 1 ′, 3 ′, 5 ′, and 7 ′, and the lower surface side weft 10 ′.
  • the lower surface side warp 1 passes below the lower surface side wefts 1 'and 10'.
  • the other upper side warp 1 in the first design passes under the lower side weft 1 'and passes above the upper side wefts 5', 7 ', 9', 11 ', 13', 15 '. It has become. Therefore, as is clear from FIG.
  • the two sets of upper side warps 1 in the first design are partially ridged on the surface of the upper side fabric in the upper side wefts 5 ', 7' and 13 ', 15'. Will be constituted.
  • the upper surface side warp 2 which is a flat warp in the second design passes over the upper surface side wefts 2 ', 4', 6 ', 8', 10 ', 12', 14 ', 16', 18 '. It forms a plain weave.
  • the lower surface side warp 2 in the second design passes below the lower surface side wefts 2 'and 11'.
  • the first design in the industrial two-layer fabric according to Embodiment 3 forms a pseudo flat yarn by arranging two thin upper surface side warps in parallel on a part of the surface of the upper surface side fabric to form a ridge weave. be able to. Further, by arranging the flat warp in the second structure adjacent to the first structure, it is possible to secure a suitable rigidity and elongation resistance while suppressing the thickness, similarly to a woven fabric forming a surface structure using only the flat yarn. And a woven fabric having excellent abrasion resistance, suitable dehydration properties and surface smoothness. Further, by adopting the woven fabric structure according to the third embodiment, the mesh can be reduced while suppressing the thickness of the woven fabric. Therefore, the dehydration characteristics can be adjusted by selecting the wire diameter of the yarn. Further, since the knuckle shape of the weft can be flattened by the two ridge weave structures, the surface smoothness and the fiber supportability can be improved.
  • FIG. 8 is a design diagram of Embodiment 4 of the industrial two-layer fabric of the present invention.
  • FIG. 9 is a partial side view of Embodiment 4 of the industrial two-layer fabric of the present invention.
  • the first design according to the fourth embodiment is configured by a set of two upper surface side warps and one lower surface side warp.
  • the upper surface side warp in the first design is formed by a warp binding yarn having a function of binding the upper surface side fabric and the lower surface side fabric.
  • the two sets of upper side warps forming the first design are arranged adjacent to each other and partially constitute a ridge weave on the surface of the upper side fabric.
  • the second design is composed of one upper surface side warp and one lower surface side warp.
  • the upper surface side warp in the second design is formed by a flat warp. As shown in FIG. 8, the first tissue 1 and the second tissues 2 and 8 are arranged adjacent to each other, and the first tissue 5 and the second tissues 4 and 6 are adjacent to each other. It is arranged and configured. Further, the wire diameter of the lower surface side warp is formed larger than the wire diameter of the upper surface side warp forming the first design.
  • one upper side warp 1 in the first design passes above the upper side wefts 1 ', 3', 5 ', 7', 9 ', 11'. , Passing under the lower side weft 13 ′ and passing above the upper side wefts 15 ′, 17 ′.
  • the lower surface side warp 1 passes below the lower surface side wefts 1 ', 7', 13 '.
  • the other upper surface side warp 1 in the first design passes under the lower surface side weft 1 ', and the upper surface side wefts 3', 5 ', 7', 9 ', 11', 13 ', 15', 17.
  • the organization passes above the '. Therefore, as is apparent from FIG.
  • the upper surface side warp 1 of the two sets in the first design has the upper surface side wefts 3 ', 5', 7 ', 9', 11 'and 15', 17 ' Part of the ridge weave is formed on the surface of the side fabric.
  • the upper surface side warp 2 which is a flat warp in the second design passes over the upper surface side wefts 2 ', 4', 6 ', 8', 10 ', 12', 14 ', 16', 18 '. It forms a plain weave.
  • the lower surface side warp 2 in the second design passes below the lower surface side wefts 2 ', 8', and 14 '.
  • the upper surface side warp 3 which is a flat warp in the second design, passes above the upper surface side wefts 1 ', 3', 5 ', 7', 9 ', 11', 13 ', 15', 17 '. It forms a plain weave.
  • the lower surface side warp 3 in the second design passes below the lower surface side wefts 4 ', 10', 16 '.
  • the upper surface side warp 4, which is a flat warp in the second design passes above the upper surface side wefts 2 ', 4', 6 ', 8', 10 ', 12', 14 ', 16', 18 '. It forms a plain weave.
  • the lower side warp 4 in the second design passes below the lower side wefts 5 ', 11', 17 '.
  • the first design in the industrial two-layer fabric according to Embodiment 4 forms a pseudo flat yarn by arranging two thin upper surface side warps in parallel on a part of the surface of the upper surface side fabric to form a ridge. be able to. Further, by arranging the flat warp in the second structure adjacent to the first structure, it is possible to secure a suitable rigidity and elongation resistance while suppressing the thickness, similarly to a woven fabric forming a surface structure using only the flat yarn. And a woven fabric having excellent abrasion resistance, suitable dehydration properties and surface smoothness.
  • the mesh can be reduced while the thickness of the woven fabric is suppressed, so that the dehydration characteristics can be adjusted by selecting the wire diameter of the yarn. Further, since the knuckle shape of the weft can be flattened by the two ridge weave structures, the surface smoothness and the fiber supportability can be improved.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Paper (AREA)
PCT/JP2019/027881 2018-07-31 2019-07-16 工業用二層織物 WO2020026785A1 (ja)

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CA3108043A CA3108043A1 (en) 2018-07-31 2019-07-16 Industrial two-layer fabric
EP19843271.8A EP3831993A4 (en) 2018-07-31 2019-07-16 TWO-LAYER INDUSTRIAL FABRIC
CN201980049447.9A CN112513354A (zh) 2018-07-31 2019-07-16 工业用双层织物
US17/159,579 US20210148015A1 (en) 2018-07-31 2021-01-27 Industrial two-layer fabric

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JP2018-143611 2018-07-31
JP2018143611A JP7000272B2 (ja) 2018-07-31 2018-07-31 工業用二層織物

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JP2012117169A (ja) * 2010-11-30 2012-06-21 Nippon Filcon Co Ltd 工業用二層織物
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JP2002020989A (ja) * 2000-06-30 2002-01-23 Nippon Felt Co Ltd 製紙用織物及びその製造方法
JP2004036052A (ja) 2002-07-05 2004-02-05 Nippon Filcon Co Ltd 工業用二層織物
JP2004068168A (ja) 2002-08-01 2004-03-04 Nippon Filcon Co Ltd 工業用二層織物
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EP3831993A1 (en) 2021-06-09
JP7000272B2 (ja) 2022-01-19
US20210148015A1 (en) 2021-05-20
CA3108043A1 (en) 2020-02-06
EP3831993A4 (en) 2022-03-16
CN112513354A (zh) 2021-03-16

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