WO2016181556A1 - Sac de conditionnement souple - Google Patents

Sac de conditionnement souple Download PDF

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Publication number
WO2016181556A1
WO2016181556A1 PCT/JP2015/063942 JP2015063942W WO2016181556A1 WO 2016181556 A1 WO2016181556 A1 WO 2016181556A1 JP 2015063942 W JP2015063942 W JP 2015063942W WO 2016181556 A1 WO2016181556 A1 WO 2016181556A1
Authority
WO
WIPO (PCT)
Prior art keywords
fabric
flexible container
bag
bag body
container bag
Prior art date
Application number
PCT/JP2015/063942
Other languages
English (en)
Japanese (ja)
Inventor
讓得 佐藤
神崎　豊裕
光豊 駒谷
Original Assignee
槌屋ティスコ 株式会社
株式会社光正
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 槌屋ティスコ 株式会社, 株式会社光正 filed Critical 槌屋ティスコ 株式会社
Priority to JP2017517570A priority Critical patent/JPWO2016181556A1/ja
Priority to PCT/JP2015/063942 priority patent/WO2016181556A1/fr
Publication of WO2016181556A1 publication Critical patent/WO2016181556A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/22—Large containers flexible specially adapted for transport

Definitions

  • the present invention relates to a flexible container bag used for applications such as when transporting a granular material.
  • flexible container bags have been widely used in various industries for transportation and storage of grains such as grains, feed, resin pellets and minerals, and for other purposes.
  • Some of such flexible container bags are made of a fabric made of synthetic fibers such as polypropylene and polyethylene (for example, Patent Document 1).
  • An object of the present invention is to provide a flexible container bag that can be prevented from being deteriorated by the surrounding environment.
  • a flexible container bag for solving the above-described problem includes a bag body having an opening, and a hanging portion capable of suspending the bag body in a state where the opening is positioned at an upper end of the bag body in a vertical direction. It is a flexible container bag, Comprising: The said bag body is comprised from the fabric containing a basalt fiber at least.
  • the flexible container bag is extracted from the basalt and is composed of a fabric containing basalt fibers that are excellent in weather resistance. Therefore, the flexible container bag can be prevented from being deteriorated by the surrounding environment.
  • the said flexible container bag WHEREIN It is preferable that the said fabric is comprised including the molten fiber which has thermoplasticity. According to this configuration, since the fabric includes the molten fiber having thermoplasticity in addition to the basalt fiber, the molten fiber is fused to the basalt fiber by performing the heat treatment on the fabric. That is, the basalt fibers constituting the fabric are bonded to each other through the melted fibers, and the fabric misalignment can be suppressed.
  • the coating layer is formed in the said fabric. According to this configuration, even if the container accommodated in the bag is in the form of powder, the possibility that such powdered substance leaks out from the weave of the fabric can be reduced.
  • the molten fiber is spirally wound around the basalt fiber with the basalt fiber as an axis. According to this configuration, since the molten fiber is wound around the basalt fiber, it can be uniformly melted when the fabric is heat-treated. And since the melted molten fiber is fused to the basalt fiber without unevenness, the misalignment of the fabric can be further suppressed.
  • the coating layer is preferably formed through a weave of the fabric. According to this configuration, since the coating layer is formed via the fabric weave, it is possible to suppress the coating layer from being easily peeled off from the fabric.
  • the bag body includes a bottom portion that forms a bottom surface of the bag body, and a body portion that forms a side surface of the bag body, and each of the fabrics that forms the bottom portion and the body portion includes: It is preferable that they are sewn together via a nonwoven fabric.
  • a covering portion that covers the sewn portion is attached to at least a part of the sewn portion where the suspended portion is sewn in the bag body.
  • the covering portion covers the sewn portion of the suspended portion in the bag portion, so that deterioration of the sewn portion can be suppressed and the life of the flexible container bag can be extended.
  • (A) is a figure which shows the sewing method of a trunk
  • (b) is a figure which shows the sewing method of a bottom part and a trunk
  • (A) is a front view which shows an example of the woven structure state of the fabric which comprises a flexible container bag,
  • (b) is a 4b-4b arrow directional cross-sectional view in Fig.4 (a).
  • FIG. 7 The enlarged view of the part shown with the code
  • (A) is a figure which shows the coating layer formed in the fabric with a coarse texture
  • (b) is a figure which shows the coating layer formed in the fabric with a fine texture.
  • (A) is a perspective view which shows schematically the structure of the bag body in the flexible container bag shown in FIG. 7,
  • (b) is a figure which shows the sewing method of the trunk
  • the flexible container bag is used for applications such as transporting powder and rubble.
  • the flexible container bag 11 includes a bottomed cylindrical bag body 12 and a suspension belt 13 sewn on the bag body 12.
  • the bag body 12 includes a bottom portion 14 that constitutes the bottom surface of the bag body 12, and a body portion 15 that constitutes a side surface of the bag body 12 with one end (lower end in FIG. 1) connected to the periphery of the bottom portion 14. .
  • An open end of the body 15 opposite to the side connected to the bottom 14 constitutes an opening 16 of the bag 12.
  • the suspension belt 13 is composed of one continuous endless belt member, and is provided so as to surround the bag body 12 from the lower surface of the bottom portion 14 to the outer peripheral surface of the body portion 15 in the bag body 12. That is, the suspension belt 13 is twisted so that two predetermined length portions 13 a and 13 b in the longitudinal direction intersect with each other in a cross shape on the lower surface side of the bottom portion 14 of the bag body 12. It is sewn on the lower surface. Further, the suspension belt 13 has vertical portions 13c, 13d, 13e, and 13f in other four locations in the longitudinal direction extending vertically from the four locations on the periphery of the bottom portion 14 of the bag body 12 along the outer peripheral surface of the trunk portion. It is sewed on the outer peripheral surface of the body portion 15 in a state of extending upward.
  • the suspension belt 13 has the latching portions 17 having two loop shapes at positions where the other two predetermined length portions 13g and 13h in the longitudinal direction are above the opening 16 of the bag body 12. Forming.
  • the latching portion 17 is configured to be latched by a holding device such as a crane (not shown). That is, when the latching portion 17 is latched, the suspension belt 13 functions as a suspended portion that can be suspended with the bag body 12 in a posture in which the opening 16 is positioned at the upper end in the vertical direction.
  • the suspension belt 13 is sewn to the bottom portion 14 and the body portion 15 of the bag body 12 by a plurality of sewing portions 18.
  • the bag body 12 is provided with a covering portion 19 that covers each of the four sewing portions 18 formed on the body portion 15.
  • the covering portion 19 is made of, for example, a black patch for preventing ultraviolet rays, and is sewn to the bag body 12 so as to cover the sewing portion 18.
  • the sewing thread used for sewing the sewing portion 18 and the covering portion 19 is made of synthetic fiber such as nylon or polypropylene.
  • the bag body 12 that constitutes the flexible container bag 11 is configured by stitching together a bottom fabric 21 that constitutes the bottom portion 14 and a trunk fabric 22 that constitutes the trunk portion 15. .
  • the bottom fabric 21 and the body fabric 22 are the same fabric 30 (see FIGS. 4A and 4B).
  • the body fabric 22 before sewing has a rectangular shape, and the side surface of the cylindrical bag body 12 is formed by sewing the first short side portion 23 and the second short side portion 24 facing each other. Incidentally, the structure which makes a cylindrical shape may be sufficient as long sides are stitched together.
  • the bottom surface of the bag body 12 is formed by sewing the peripheral edge of the circular bottom fabric 21 with one end (the lower end in FIG. 2) of the cylindrical body fabric 22.
  • the bottomed cylindrical bag body 12 having the opening 16 is formed by sewing the bottom fabric 21 and the body fabric 22 together.
  • the sewing thread used for sewing the bag body 12 is made of synthetic fibers such as nylon and polypropylene, similar to those used for sewing the sewing portion 18 and the covering portion 19.
  • the body fabric 22 constituting the body portion 15 of the bag body 12 is sewn in a state where the first short side portion 23 and the second short side portion 24 are folded over each other. Yes. More specifically, when the tip of the first short side portion 23 is turned toward the second short side portion 24 and the second short side portion 24 is turned back toward the first short side portion 23, the folded portions 23a and 24a are respectively formed. Is formed. Then, the broken portions (three locations in the present embodiment) are defined as the first short side in a state where the tip of the second short side portion 24 and the tip of the first short side portion 23 are encased in the folded portions 23a and 24a, respectively. Sewn along the side 23 and the second short side 24.
  • the bottom fabric 21 constituting the bottom surface of the bag body 12 is sewn together with the trunk fabric 22 via the nonwoven fabric 25.
  • the respective leading ends of the bottom fabric 21 and the body fabric 22 are wound around a circular line along the periphery of the bottom portion 14 (counterclockwise direction in FIG. 3B).
  • the broken-line portions are sewn along the peripheral edge of the bottom fabric 21.
  • the fabric 30 constituting the bag body 12 in the flexible container bag 11 will be described.
  • the fabric 30 used as the bottom fabric 21 and the body fabric 22 is a woven fabric made of a plurality of warps 31 and a plurality of wefts 32.
  • the fabric 30 in this embodiment is configured by a plain weave in which warp yarns 31 and weft yarns 32 are alternately raised and lowered.
  • the plurality of warps 31 and the plurality of wefts 32 in the fabric 30 are composed of basalt fibers, which are a kind of inorganic fibers.
  • This basalt fiber is a natural fiber material extracted from basalt.
  • Basalt fibers are more weather resistant than organic fiber materials (polypropylene (PP) fibers, polyethylene (PE) fibers, polyethylene terephthalate (PET) fibers, etc.) that have been widely used in flexible container bag fabrics. Are better.
  • the basalt fiber has a high tensile elastic modulus (Young's modulus), and has a higher strength than the fiber material of organic fiber (for example, PP or PE) with respect to the tensile force applied in the longitudinal direction of the fiber.
  • the warp 31 and the weft 32 are comprised by the basalt fiber whose filament diameter is 13 micrometers as an example.
  • the filament diameter of the basalt fiber is preferably in the range of 7 to 40 ⁇ m. That is, the basalt fiber is easily cut when the filament diameter is less than 7 ⁇ m, whereas the flexibility is inferior when the filament diameter exceeds 40 ⁇ m.
  • the warp 31 and the weft 32 are comprised with the basalt roving yarn (untwisted yarn) in which the basalt fiber is not twisted. Therefore, when the fabric 30 is resin-coated after weaving (see FIGS. 6A and 6B), the resin is easily impregnated between the fibers of the basalt fiber constituting the warp 31, and the coating layer 34 is formed. It becomes difficult to peel from the fabric 30.
  • the fabric 30 may be comprised with the basalt yarn (twisted yarn) of the twisted yarn structure where the basalt fiber was twisted.
  • the plurality of warps 31 constituting the fabric 30 are covered with a sheath thread 33 made of a molten fiber having thermoplasticity.
  • the sheath yarn 24 may not be spirally wound around the warp 21 as shown in FIG. 5, but may be aligned in parallel with the warp 21, for example.
  • This molten fiber is composed of synthetic fibers having a low melting point compared to polypropylene (PP) or polyethylene (PE), and is melted by subjecting the woven fabric 30 to heat treatment. The constituent basalt fibers are fused together. That is, when the molten fiber is melted, the molten fiber functions like an adhesive with respect to the basalt fiber. And the warp 31 and the weft 32 adhere
  • FIGS. 6 (a) and 6 (b) show fabrics 30 having different textures.
  • the fabric 30 is provided with a coating layer 34 made of a thermoplastic resin on the front surface side and the back surface side thereof. That is, the warp 31 and the weft 32 constituting the fabric 30 are covered with the coating layer 34 at portions exposed on the front side and the back side of the fabric 30.
  • the coating layer 34 is formed, for example, by applying or immersing a coating agent such as acrylic resin, vinyl chloride resin, or urethane resin on the surface of the fabric 30.
  • a coating agent such as acrylic resin, vinyl chloride resin, or urethane resin
  • the coating layer 34 is given flexibility by adding vinyl acetate to the coating agent.
  • a black pigment is added as a measure against ultraviolet rays.
  • the flexible container bag 11 in this embodiment mainly use fabrics made of synthetic fibers such as polypropylene (PP) and polyethylene (PE). In this case, since the fibers constituting the fabric are deteriorated by being exposed to the surrounding environment such as sunlight, rain, frost and wind, the general service life is about 3 years.
  • the flexible container bag 11 in this embodiment is comprised from the fabric 30 which consists of a basalt fiber.
  • basalt fiber has excellent weather resistance.
  • the degree of deterioration of sunlight by ultraviolet rays is small in basalt fibers compared to synthetic fibers such as polypropylene and polyethylene. Therefore, by constituting the flexible container bag 11 with the fabric 30 using the basalt fiber, deterioration due to the surrounding environment is suppressed, and the life of the flexible container bag 11 is increased.
  • the basalt fiber is excellent in tensile strength and has high strength against the tensile force in the longitudinal direction of the fiber. Therefore, as a ton bag, it is suitable as a fiber material constituting the flexible container bag 11 in which a large force is applied in the longitudinal direction of the fiber by accommodating heavy objects.
  • the basalt fiber is excellent in characteristics such as heat resistance and corrosion resistance in addition to ultraviolet durability.
  • the sewn portions 18 where the suspension belt 13 is sewn to the bag body 12 are covered with a covering portion 19. .
  • the sewing thread used for the sewn portion 18 is made of synthetic fibers that are less likely to break even when bent with respect to the longitudinal direction of the fibers, there is a risk of deterioration due to ultraviolet rays or the like. Therefore, in the present embodiment, as a measure against ultraviolet rays, the covering portion 19 is provided on a part of the sewing portion 18 to reduce the influence of ultraviolet rays on the sewing portion 18.
  • the covering portion 19 is provided only on the sewing portion 18 provided on the side surface.
  • the bottom fabric 21 and the body fabric 22 are stitched together via the nonwoven fabric 25 as shown in FIG. Therefore, even if the contents in the bag body 12 are fine powder, the possibility that the powder as the contents leaks from a small hole formed during sewing is suppressed.
  • the fabric 30 includes warps 31 and wefts 32 because the warps 31 and the wefts 32 are composed of basalt fibers that are inorganic fibers. Since it becomes easy to slip mutually, we are anxious about the shift
  • a plurality of warps 31 are spirally wound with sheath yarns 33 made of molten fibers with the warp 31 as an axis. For this reason, by applying heat treatment to the woven fabric 30, the intersection of the warp 31 and the weft 32 is fused, and the misalignment of the fabric 30 is suppressed.
  • a coating layer 34 is provided on the front side and the back side of the fabric 30. Since the warp 31 and the weft 32 constituting the fabric 30 are covered with the coating layer 34, the misalignment of the fabric 30 is further suppressed. In addition, since the texture of the fabric 30 is blocked by the coating layer 34, even if the contents accommodated in the bag body 12 are powdery, the possibility that such contents are leaked from the texture is reduced. In addition, the waterproofness of the bag body 12 is improved.
  • the fabric 30 constituting the flexible container bag 11 in this embodiment is woven with a coarser texture than the fabric 30 shown in FIG. 6 (b).
  • the coating agent does not pass through the texture when forming the coating layer 34, and is independent on the front and back surfaces of the fabric 30.
  • the coated layer 34 is formed.
  • the basalt fiber has a weak adhesion with a coating agent such as an acrylic resin or a vinyl chloride resin, and may be peeled off by an external force such as impact or friction. Therefore, as shown in FIG. 6A, the fabric 30 in the present embodiment is configured so that the coating agent is filled with the texture by slightly roughening the texture. By forming the coating layer 34 that is integrated on both the front surface side and the back surface side of the fabric 30 through the weave, the coating layer 34 is prevented from being easily peeled off.
  • the flexible container bag 11 is comprised from the fabric 30 containing the basalt fiber excellent in the weather resistance, it can suppress that the flexible container bag 11 deteriorates by surrounding environments, such as an ultraviolet-ray by sunlight. By suppressing the deterioration, the flexible container bag 11 can have a longer life than the conventional one.
  • the fabric 30 which comprises the flexible container bag 11 contains the molten fiber which has thermoplasticity other than a basalt fiber, a molten fiber is fuse
  • the basalt fibers are bonded to each other through the molten fibers, misalignment of the fabric 30 can be suppressed.
  • the warp 31 can be uniformly melted when the fabric 30 is heat-treated. . And since the fuse
  • the coating layer 34 is integrally formed on the front surface side and the back surface side through the weave of the fabric 30, it is possible to suppress the coating layer 34 from being easily peeled off from the fabric 30.
  • the flexible container bag 11 is not limited to a round bag whose bottom 14 is circular, but may be a rectangular bag whose bottom 14 is rectangular.
  • the body portion 15 is composed of four body fabrics 41, 42, 43, and 44.
  • the body fabrics 41 to 44 have folded portions 41a, 42a, 43a, 44a formed by folding both ends of the body fabrics 41 to 44 toward the outer peripheral surface.
  • the body portion 15 is formed by sewing the adjacent folded portions 41a to 44a to each other. Specifically, as shown in FIG.
  • the body portion 15 is formed by performing similar sewing on the other portions of the body fabrics 41 to 44. Moreover, about the bottom part 14, it is the same as that of the sewing aspect shown in FIG.3 (b).
  • the suspension belt 13 as the suspension portion is not limited to one continuous endless belt member, and may be configured such that independent suspension belts 13 are provided. Further, a hook or ring made of metal may be used instead of the suspension belt 13, and the configuration of the suspension portion is not limited to the suspension belt 13.
  • the sheath yarn 33 made of molten fiber is not limited to the configuration wound around the warp 31 constituting the fabric 30, and may be wound around the weft 32, or the warp yarn 31 and the weft yarn 32. Both of them may be wound. Further, it is not necessary to be wound around all of the plurality of warps 31, and a configuration provided on some of the warps 31 may be used. Further, the molten fiber is not limited to the configuration in which the molten fiber is wound around the basalt fiber as the sheath yarn 33, but may be a configuration in which the molten fiber is blended with the basalt fiber.
  • the fabric 30 is not restricted to the structure which consists of a basalt fiber and a melted fiber, Other warps 31 and some wefts 32 other inorganic fibers, organic fibers, or synthetic fibers other than a basalt fiber It may be woven including fibers.
  • the fixing of the coating layer 34 to the fabric 30 can be further strengthened.
  • the coating layer 34 formed on the fabric 30 may be configured to be formed only on either the front side or the back side of the fabric 30.
  • the flexible container bag 11 may have a configuration in which the covering portion 19 is also provided on the sewing portion 18 provided on the bottom portion 14 of the bag body 12 among the plurality of sewing portions 18 provided.
  • the fabric 30 is not limited to a plain weave as shown in FIG. 4A, and may be woven by various other weaving methods such as a twill weave and a satin weave.
  • drum fabric 22 is not restricted to the thread

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)

Abstract

Selon l'invention, ce sac de conditionnement souple (11) est cousu à partir d'un tissu conçu pour contenir des fibres de basalte ayant des caractéristiques d'excellente résistance aux intempéries.
PCT/JP2015/063942 2015-05-14 2015-05-14 Sac de conditionnement souple WO2016181556A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017517570A JPWO2016181556A1 (ja) 2015-05-14 2015-05-14 フレキシブルコンテナバッグ
PCT/JP2015/063942 WO2016181556A1 (fr) 2015-05-14 2015-05-14 Sac de conditionnement souple

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/063942 WO2016181556A1 (fr) 2015-05-14 2015-05-14 Sac de conditionnement souple

Publications (1)

Publication Number Publication Date
WO2016181556A1 true WO2016181556A1 (fr) 2016-11-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/063942 WO2016181556A1 (fr) 2015-05-14 2015-05-14 Sac de conditionnement souple

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JP (1) JPWO2016181556A1 (fr)
WO (1) WO2016181556A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5161853A (en) * 1991-10-31 1992-11-10 Polett Walter J Flexible bag
JPH08302537A (ja) * 1995-05-10 1996-11-19 Ichinomiya Orimono:Kk 炭素繊維織物と、その製造方法および製造装置
JP2007008508A (ja) * 2005-06-29 2007-01-18 Buntaro Kawase フレキシブルコンテナおよびその製造方法
JP2008265808A (ja) * 2007-04-20 2008-11-06 Hokuryo Co Ltd 静電気帯電防止型フレキシブルコンテナ
DE102011105365A1 (de) * 2011-06-22 2012-12-27 GPI Ges. f. Prüfstanduntersuchungen und Ingenieurdienstleistungen mbH Behältereinheit
GB2492644A (en) * 2011-07-04 2013-01-09 Don & Low Ltd Polymer fabrics
JP2014041040A (ja) * 2012-08-22 2014-03-06 Hiraoka & Co Ltd 可撓性複合シート
JP2014141023A (ja) * 2013-01-24 2014-08-07 Teijin Ltd ターポリンおよびそれから形成されたフレキシブルコンテナバッグ
JP2014223043A (ja) * 2013-05-17 2014-12-04 平岡織染株式会社 産業資材シート

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010053487A (ja) * 2008-08-29 2010-03-11 Ishikawa Prefecture コンクリート剥落防止用織物、及びそれを用いたコンクリート構造体の剥落防止方法
JP3182824U (ja) * 2013-01-31 2013-04-11 株式会社アイヤマ 土嚢袋

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5161853A (en) * 1991-10-31 1992-11-10 Polett Walter J Flexible bag
JPH08302537A (ja) * 1995-05-10 1996-11-19 Ichinomiya Orimono:Kk 炭素繊維織物と、その製造方法および製造装置
JP2007008508A (ja) * 2005-06-29 2007-01-18 Buntaro Kawase フレキシブルコンテナおよびその製造方法
JP2008265808A (ja) * 2007-04-20 2008-11-06 Hokuryo Co Ltd 静電気帯電防止型フレキシブルコンテナ
DE102011105365A1 (de) * 2011-06-22 2012-12-27 GPI Ges. f. Prüfstanduntersuchungen und Ingenieurdienstleistungen mbH Behältereinheit
GB2492644A (en) * 2011-07-04 2013-01-09 Don & Low Ltd Polymer fabrics
JP2014041040A (ja) * 2012-08-22 2014-03-06 Hiraoka & Co Ltd 可撓性複合シート
JP2014141023A (ja) * 2013-01-24 2014-08-07 Teijin Ltd ターポリンおよびそれから形成されたフレキシブルコンテナバッグ
JP2014223043A (ja) * 2013-05-17 2014-12-04 平岡織染株式会社 産業資材シート

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