WO2016031012A1 - Packing bag equipped with spouting tool - Google Patents

Packing bag equipped with spouting tool Download PDF

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Publication number
WO2016031012A1
WO2016031012A1 PCT/JP2014/072553 JP2014072553W WO2016031012A1 WO 2016031012 A1 WO2016031012 A1 WO 2016031012A1 JP 2014072553 W JP2014072553 W JP 2014072553W WO 2016031012 A1 WO2016031012 A1 WO 2016031012A1
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WO
WIPO (PCT)
Prior art keywords
gusset
packaging bag
tool
width
interval
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PCT/JP2014/072553
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French (fr)
Japanese (ja)
Inventor
友美子 黄瀬
Original Assignee
株式会社パックプラス
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Application filed by 株式会社パックプラス filed Critical 株式会社パックプラス
Priority to PCT/JP2014/072553 priority Critical patent/WO2016031012A1/en
Publication of WO2016031012A1 publication Critical patent/WO2016031012A1/en

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    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture

Definitions

  • the present invention relates to a packaging bag with a dispensing tool that accommodates food, chemicals, cosmetics, pharmaceuticals, detergents, industrial products and the like.
  • a packaging bag with a pouring tool As a packaging bag with a pouring tool, a pair of front and rear flat sheets are sandwiched with side sheets folded inward from both side edges to form a gusset portion, and the periphery of the side sheets is heat sealed with the flat sheet.
  • a side gusset type packaging bag in which an upper edge portion and a lower edge portion between each other are heat-sealed and a pouring tool is heat-sealed on the upper edge portion (see, for example, Patent Document 1 below).
  • the side gusset type packaging bag having the gusset portion on the side surface is provided with gusset portions on both sides of the packaging bag, as compared with the standing type packaging bag having the bottom portion formed with the gusset portion.
  • the outer dimensions of can be designed compactly. For this reason, it has the characteristics that formality, grip nature, and transportation efficiency are excellent.
  • a packaging bag using a rectangular sheet as a bottom plate is provided (for example, see Patent Document 2 below).
  • This packaging bag is flat because the seal portion does not protrude from the bottom surface, and has excellent self-supporting properties.
  • the step of heat-sealing the bottom plate is performed in a state where the bottom plate 101 is folded in two along the width direction of the packaging bag 100 as shown in FIG. For this reason, heat sealing is performed in a state where two sheets of the flat sheet 102, four sheets of the side sheet 103, and two sheets of the bottom plate 101 are overlapped, and a variation in heat and pressure due to the seal bar. As a result, poor sealing is likely to occur.
  • the packaging bag 100 that accommodates the fluid there is a possibility that the contents leak due to a sealing failure in the vicinity of the square corner of the bottom plate 101.
  • the size in the thickness direction of the packaging bag is increased, and the bottom formed when the contents are accommodated more It only needs to be close to a square. If the horizontal cross-sectional shape of the packaging bag can be made close to a square, in addition to improving self-sustainability, compared to conventional side gusset pouches, it is difficult to be restricted in size in the thickness direction, so it is a store with excellent design It is possible to provide a packaging bag that is easily caught by eyes.
  • the process of sealing the dispensing tool to the packaging bag is performed by bonding the dispensing tool from the opening at the upper edge of the packaging bag in a state where a side sheet folded in two with a folding line is inserted between the flat sheets and sealed. The part is inserted and sealed. If the gap between the folding lines of the left and right side sheets is smaller than the width of the bonding part of the pouring tool at the upper edge of the packaging bag, the side sheet and the pouring tool will be sealed together at the opening of the upper edge. A seal failure is likely to occur due to variations in heat and pressure due to the seal bar. Therefore, the size of the packaging bag in the thickness direction could not be increased.
  • the present invention has been made in view of such a state of the art, and in a packaging bag with a side gusset having a gusset portion on its side surface, prevents leakage of contents due to defective sealing, and the packaging bag.
  • the problem is to improve the independence and design of the paper.
  • the present inventor has a pair of front and rear plane portions and a pair of left and right gusset side portions, and is applied to the upper edge of the plane portion. It is a packaging bag with a pour tool for a side gusset to which the pouch is bonded, and the side gusset is bonded to both side edges of the flat portion and folded inward from the side edges. A folding line extending in the height direction is formed.
  • interval of the folding line which the said gusset side part opposes is larger than the width
  • the interval between the opposing fold lines of the gusset side surface portion is the width of the bonding portion of the extractor at the middle portion and the lower portion of the gusset side surface portion. Since it is formed so as to be smaller than that, the size of the packaging bag in the thickness direction (the width of the side face portion of the gusset) can be increased, and even if no bottom plate is provided, the independence is stable and the design is improved. An excellent packaging bag can be provided.
  • the gap between the opposing fold lines of the gusset side surface portion is formed larger than the width of the bonding portion of the extraction tool at the upper portion of the gusset side surface portion, a seal failure due to variations in heat and pressure by the seal bar is caused. Occurrence can be prevented.
  • the gusset side surface portion may be composed of a vertical side portion in which the folding line extends in the height direction in the middle portion and the lower portion, and an inclined portion that extends outward from the upper end of the vertical side portion.
  • the gap between the opposing fold lines of the gusset side surface portion is formed to be smaller than the width of the adhesive portion of the extraction tool at the middle portion and the lower portion of the gusset side surface portion,
  • the width of the side portion can be kept large and constant.
  • the interval between the opposing folding lines of the gusset side surface portion is formed to be larger than the width of the adhesive portion of the extractor at the upper portion of the gusset side surface portion, and the width of the upper portion of the gusset side surface portion is increased. It can be narrowed gradually.
  • the ratio t2 / t1 between the interval t1 from the inner edge line of the adhesive portion on both side edge portions to the folding line and the interval t2 between the opposing folding lines is 1.2 or less, and 1.0 or less is preferable.
  • the width of the side face portion of the gusset can be increased in the side gusseted packaging bag having a gusset on the side surface, a packaging bag with stable independence can be provided.
  • the packaging bag excellent in the designability can be provided by making the horizontal cross section of the packaging bag closer to a square from the bottom surface to the intermediate portion in the height direction. Further, variations in heat and pressure due to the seal bar can be suppressed, and the occurrence of leakage of contents due to a seal failure can be prevented.
  • the horizontal direction in FIG. 2 is the width direction
  • the vertical direction is the height direction
  • the front-rear direction is the thickness direction.
  • the width of the packaging bag and the size in the thickness direction refer to the distance from the inner edge of one seal part to the inner edge of the other seal part.
  • the height of the packaging bag refers to the outer edge of the top seal part from the outer edge of the bottom seal part in the folded state.
  • the sheet includes what is generally called a film.
  • the packaging bag 1 with a pour tool in the first embodiment of the present invention has a pair of front and rear flat portions 2 and a pair of left and right gusset side portions 3, and a pour tool 4 is attached to the upper edge portion.
  • the pair of front and rear plane portions 2 includes a front surface portion 2a and a rear surface portion 2b.
  • the gusset side surface portion 3 is folded inward from the left and right side edges between the front surface portion 2a and the rear surface portion 2b to form a gusset portion.
  • the flat surface portion 2 and the gusset side surface portion 3 are made of a flexible sheet, and a sealant layer is formed on at least one surface.
  • the configuration and thickness of the flexible sheet are not particularly limited, and a design having an oxygen barrier property, a water vapor barrier property, and the like can be appropriately selected according to the properties of the contents.
  • the plane part 2 is overlapped so that the sealant layers of the front part 2a and the rear part 2b face each other.
  • Four side edge seal portions S2 are formed in the height direction by bonding both side edges of the flat portion 2 to the periphery of the gusset side surface portion 3 by heat sealing.
  • a bottom seal portion S3 is formed on the lower edge portion of the flat surface portion 2 by bonding the lower edge portions of the front surface portion 2a and the rear surface portion 2b to each other by heat sealing. Further, diagonal seal portions S4 extending diagonally upward to the side edge seal portion S2 are formed on both longitudinal sides of the bottom seal portion S3. The oblique seal portion S4 is formed by bonding the flat portion 2 and the gusset side portion 3 by heat sealing.
  • the oblique seal portion S4 is preferably formed such that the angle ⁇ with respect to the bottom seal portion S3 is 30 to 50 degrees. More preferably, it is 45 degrees. When the contents are stored and dropped, the impact caused by the drop can be prevented from being concentrated on a specific portion of the gusset bag, so that it is difficult to break the bag and safety is excellent.
  • the oblique seal portion S4 is not limited to a straight line, and may be a curved shape.
  • the top seal part S1 is formed on the upper edge part of the flat part 2 by adhering the upper edge part of the bonding part 43 of the pouring tool 4 and the flat part 2 by heat sealing.
  • the pouring tool 4 is fixed by being inserted through an opening between the front surface portion 2a and the rear surface portion 2b at the upper end of the flat surface portion 2 and bonded by heat sealing.
  • the dispensing tool 4 includes a cylindrical portion 41, a flange portion 42, and an adhesive portion 43 that are continuously provided in the axial direction from above.
  • a stopper is detachably attached to the tubular portion 41.
  • the bonding portion 43 has a boat shape extending in the width direction, and a rib 44 for welding is formed on the surface.
  • the dispensing tool 4 is preferably made of a synthetic resin excellent in moldability and workability.
  • the synthetic resin examples include polyolefin resins such as polyethylene and polypropylene, polystyrene resins, polyamide resins, polyester resins, acrylic resins, vinyl chloride resins, vinylidene chloride resins, and polyether sulfones.
  • polyolefin resins such as polyethylene and polypropylene
  • polystyrene resins polyamide resins
  • polyester resins acrylic resins
  • vinyl chloride resins vinylidene chloride resins
  • polyether sulfones polyether sulfones
  • the interval between the opposing folding lines 6 of the pair of left and right gusset side portions 3 is an intermediate portion in the height direction of the packaging bag 1 with the pour tool and In the lower part, it is smaller than the width L of the bonding part 43 of the extraction tool 4. Moreover, in the upper part of the height direction of the packaging bag 1 with the extraction tool, it is formed so as to be larger than the width L of the bonding portion 43 of the extraction tool 4.
  • the folding line 6 refers to the ridgeline of the inner edge of the gusset side part 3 in a state in which the packaging bag 1 with the dispensing tool is folded.
  • the vertical side portion 61 extends upward in the height direction from the lower edge portion of the packaging bag 1 with the dispensing tool. Furthermore, in the upper part in the height direction of the packaging bag 1 with the dispensing tool, an inclined part 62 is formed which is continuous with the vertical side part 61 and extends outward from the upper end of the vertical side part 61. Since the space
  • the left and right gusset side portions 3 are folded in two along a vertical fold line 71 along the height direction.
  • the corner 3d sandwiched between the gusset inner side 3c and the gusset upper side 3a is formed by the diagonal fold line 72 so that the gusset upper side 3a is along the gusset outer side 3b.
  • a triangular flap f of an isosceles right triangle having a corner 3d as an apex angle is formed.
  • the flap first side f1 of the triangular flap f is a fold line 6 composed of a diagonal fold line 72.
  • the flap second side f2 is composed of the vertical fold line 71, and is the side that forms an angle ⁇ with the flap first side f1.
  • the flap third side f3 is composed of the upper side 3a of the gusset and is the opposite side of the corner ⁇ .
  • the flap third side f3 is bent at an oblique fold line 72 so as to be shifted by about 1 to 5 mm inward from the gusset outer side 3b.
  • the flap third side f3 is bent and sealed so as to fit in the region of the side edge seal portion S2.
  • the side face seal portion S2 seals the gusset side surface portion 3 with the front surface portion 2a, and the triangular flap f with the front surface portion 2a and the gusset side surface portion 3.
  • the flap third side f3 is shifted to the inside of the gusset outer side 3b.
  • the flap third side f3 and the gusset outer side 3b are overlapped. It may be a triangular flap f bent into a state.
  • Each flap third side f3 is sealed so as to fit in the region of the side edge seal portion S2.
  • the side edge seal portion S2 is sealed with a shape protruding inward.
  • the side edge seal portion S2 seals the gusset side surface portion 3 with the front surface portion 2a, and the triangular flap f with the front surface portion 2a and the gusset side surface portion 3.
  • the inclined portion 62 is formed by folding along the diagonal fold line 72, but the gusset side surface portion 3 is folded in half on the V shape and the upper end is cut obliquely upward toward the gusset outer side 3b side. As a result, an inclined portion 62 is formed, and the inclined portion 62 is sealed.
  • the packaging bag 1 with the dispensing tool in which the top seal portion S1 reaches the side edge seal portion S2 has been described, but the side edge seal portion is obliquely downward on both sides in the longitudinal direction of the top seal portion S1.
  • a shoulder seal portion extending up to S2 can also be formed.
  • the shoulder seal portion is formed by heat-sealing the flat portion 2 and the gusset side portion 3.
  • the shoulder seal portion is not limited to a straight line, and may have a round shape.
  • the upper end portion of the folding line 6 reaches the side edge seal portion S2, but the upper end portion of the folding line 6 may reach the top seal portion S1 or the shoulder seal portion.
  • Examples 1 to 7 and Comparative Examples 1 to 3 A packaging bag 1 with a pouring tool as shown in FIG. 2 was prepared using sheets having the following configurations A to C.
  • the distance W between the inner edges of the left and right side edge seal portions is 64 mm, 84 mm, and 104 mm, and the distance t1 from the inner edge of the side edge seal portion S2 to the folding line 6 is changed to change the width L of the adhesive portion 43 of the extraction tool 4
  • the 35 mm extraction tool 4 was heat-sealed and attached.
  • Sheet configuration Sheet configuration A has a flat portion 2 with a polyethylene terephthalate film (thickness 12 ⁇ m) as the outermost layer, a polyamide film (thickness 15 ⁇ m) as the intermediate layer, and a linear low-density polyethylene film (thickness 100 ⁇ m) as the innermost layer. ) was dry-laminated using a polyester-based adhesive.
  • a polyethylene terephthalate film (thickness 12 ⁇ m) is used as the outermost layer, a polyamide film (thickness 15 ⁇ m) is used as the intermediate layer, a linear low density polyethylene film (thickness 80 ⁇ m) is used as the innermost layer, and a polyester adhesive is used. Then, a sheet produced by dry lamination was used.
  • Sheet configuration B has a flat portion 2 and a gusset side portion 3 with a polyethylene terephthalate film (thickness 12 ⁇ m) as the outermost layer, a polyamide film (thickness 15 ⁇ m) as the intermediate layer, and a linear low density polyethylene film (thickness 100 ⁇ m) as the innermost layer.
  • the sheet structure C is made of a polyethylene-based terephthalate film (thickness 12 ⁇ m) as the outermost layer, a polyamide film (thickness 15 ⁇ m) as the intermediate layer, a linear low density polyethylene film (thickness 120 ⁇ m) as the innermost layer, A sheet produced by dry lamination using an adhesive was used.
  • a polyethylene terephthalate film (thickness 12 ⁇ m) is used as the outermost layer, a polyamide film (thickness 15 ⁇ m) is used as the intermediate layer, a linear low density polyethylene film (thickness 100 ⁇ m) is used as the innermost layer, and a polyester adhesive is used. Then, a sheet produced by dry lamination was used.
  • W Spacing between the inner edges of the left and right side seals (width of the packaging bag)
  • t1 Distance between the inner edge of the side edge seal portion and the folding line at the intermediate portion and the lower portion in the height direction
  • t2 Space between the folding line at the intermediate portion and the lower portion in the height direction
  • L Width of the adhesive portion of the extraction tool
  • T Packaging bag thickness
  • H Packaging bag height
  • the distance t1 from the inner edge of the side edge seal part to the folding line 6 at the intermediate part and the lower part in the height direction of the packaging bag 1 with a dispensing tool, and the distance t2 between the opposing folding lines 6 When the ratio t2 / t1 is 1.2 or less, the intervals between the inner edges of the left and right side edge seal parts are 64 mm, 84 mm, and 104 mm which are both stable and self-supporting or have been slightly unstable. confirmed. Furthermore, when t2 / t1 was 1.0 or less, it was confirmed that the distance between the inner edges of the left and right side edge seal portions was stable and independent in all examples of 64 mm, 84 mm, and 104 mm. On the other hand, when t2 / t1 was 1.4, it was confirmed that Comparative Examples 1 and 2 were not independent.

Abstract

The present invention is a side-gusset packing bag equipped with a spouting tool, said packing bag having a front-and-rear-pair of planar parts and a left-and-right-pair of gusset side pieces. In the packing bag, the spouting tool is bonded to the upper rims of the planar parts, and each of the gusset side pieces is bonded to both side rims of the corresponding planar part and is tucked inside from the both rims to form a folding line that extends in the height direction. The side-gusset packing bag is characterized by being configured in such a manner that the distance between the opposed folding lines respectively formed on the gusset side pieces is larger than the width of a bonding part of the spouting tool in an upper part of each of the gusset side pieces and is smaller than the width of the bonding part of the spouting tool in an intermediate part and a lower part of each of the gusset side pieces.

Description

注出具付き包装袋Packaging bag with dispensing tool
　本発明は食品、化学品、化粧品、医薬品、洗剤、工業製品などを収容する注出具付き包装袋に関する。 The present invention relates to a packaging bag with a dispensing tool that accommodates food, chemicals, cosmetics, pharmaceuticals, detergents, industrial products and the like.
　注出具付き包装袋としては、前後一対の平面シートにその両側縁部から内側に二つ折りにした側面シートを挟み込んでガゼット部を形成させ、側面シートの周縁が平面シートとヒートシールされ、平面シート相互間の上縁部及び下縁部がヒートシールされ、かつ、上縁部に注出具がヒートシールされたサイドガゼットタイプの包装袋が提供されている（例えば、下記特許文献１参照）。 As a packaging bag with a pouring tool, a pair of front and rear flat sheets are sandwiched with side sheets folded inward from both side edges to form a gusset portion, and the periphery of the side sheets is heat sealed with the flat sheet. There is provided a side gusset type packaging bag in which an upper edge portion and a lower edge portion between each other are heat-sealed and a pouring tool is heat-sealed on the upper edge portion (see, for example, Patent Document 1 below).
　このように側面にガゼット部を有するサイドガゼットタイプの包装袋は、底部にガゼット部を形成させたスタンディングタイプの包装袋と比較して、包装袋の両側面にガゼット部が設けられるため、包装袋の外寸法をコンパクトに設計することができる。このため、形態性、把持性、及び、輸送効率が優れているという特徴がある。 In this way, the side gusset type packaging bag having the gusset portion on the side surface is provided with gusset portions on both sides of the packaging bag, as compared with the standing type packaging bag having the bottom portion formed with the gusset portion. The outer dimensions of can be designed compactly. For this reason, it has the characteristics that formality, grip nature, and transportation efficiency are excellent.
　しかしながら、平面シートの下縁部に形成された下縁シール部は剛性が大きく、平面シートのどちらか一方側に折り曲げることが困難であるため、自立性に欠けるという問題がある。 However, there is a problem that the lower edge seal portion formed at the lower edge of the flat sheet has high rigidity and is difficult to bend to either one side of the flat sheet, so that it is not self-supporting.
　自立性を向上させるために四角形状シートを底板として用いた包装袋が提供されている（例えば、下記特許文献２参照）。この包装袋は、底面にシール部が突出していないため平坦であり、自立性が優れている。 In order to improve the self-supporting property, a packaging bag using a rectangular sheet as a bottom plate is provided (for example, see Patent Document 2 below). This packaging bag is flat because the seal portion does not protrude from the bottom surface, and has excellent self-supporting properties.
　しかしながら、底板をヒートシールする工程は、図７に示すように、底板１０１を包装袋１００の幅方向に沿って２つ折りした状態で行われる。このため、平面シート１０２が２枚、側面シート１０３が４枚、底板１０１が２枚、合計８枚のシートを重ね合わせた状態でヒートシールを行うことになり、シールバーによる熱や圧力のばらつきにより、シール不良が生じやすくなる。特に流動体を収容するような包装袋１００では底板１０１の四角形状の角部付近においてシール不良により内容物の漏れが生じる可能性がある。 However, the step of heat-sealing the bottom plate is performed in a state where the bottom plate 101 is folded in two along the width direction of the packaging bag 100 as shown in FIG. For this reason, heat sealing is performed in a state where two sheets of the flat sheet 102, four sheets of the side sheet 103, and two sheets of the bottom plate 101 are overlapped, and a variation in heat and pressure due to the seal bar. As a result, poor sealing is likely to occur. In particular, in the packaging bag 100 that accommodates the fluid, there is a possibility that the contents leak due to a sealing failure in the vicinity of the square corner of the bottom plate 101.
　内容物の漏れが生じず、自立性を向上させるためには、サイドガゼットタイプの包装袋において、包装袋の厚み方向の大きさを大きくし、内容物を収容したときに形成される底面をより正方形に近づけることができればよい。包装袋の水平断面形状を正方形に近づけることができれば、自立性の向上に加え、従来のサイドガゼットパウチと比較して、厚み方向の大きさの制限を受け難いため、意匠性に優れた店頭で目に留まりやすい包装袋を提供することができる。 In order to improve the self-sustainability without leakage of the contents, in the side gusset type packaging bag, the size in the thickness direction of the packaging bag is increased, and the bottom formed when the contents are accommodated more It only needs to be close to a square. If the horizontal cross-sectional shape of the packaging bag can be made close to a square, in addition to improving self-sustainability, compared to conventional side gusset pouches, it is difficult to be restricted in size in the thickness direction, so it is a store with excellent design It is possible to provide a packaging bag that is easily caught by eyes.
　包装袋の水平断面形状をより正方形に近づけるには、左右の側面シートの折込線の間隔をより小さくし、ガゼット部のマチの幅をより大きくする必要がある。注出具を包装袋にシールする工程は、平面シートの間に、折込線で二つ折りされた側面シートが挿入されてシールされた状態において、包装袋の上縁部の開口部から注出具の接着部を挿入してシールされる。包装袋の上縁部において、左右の側面シートの折込線の間隔が注出具の接着部の幅よりも小さいと、側面シートと注出具とが上縁部の開口部で一緒にシールされてしまい、シールバーによる熱や圧力のばらつきにより、シール不良が生じやすくなる。したがって、包装袋の厚み方向の大きさを大きくすることができなかった。 In order to make the horizontal cross-sectional shape of the packaging bag closer to a square, it is necessary to make the gap between the folding lines of the left and right side sheets smaller and make the width of the gusset portion wider. The process of sealing the dispensing tool to the packaging bag is performed by bonding the dispensing tool from the opening at the upper edge of the packaging bag in a state where a side sheet folded in two with a folding line is inserted between the flat sheets and sealed. The part is inserted and sealed. If the gap between the folding lines of the left and right side sheets is smaller than the width of the bonding part of the pouring tool at the upper edge of the packaging bag, the side sheet and the pouring tool will be sealed together at the opening of the upper edge. A seal failure is likely to occur due to variations in heat and pressure due to the seal bar. Therefore, the size of the packaging bag in the thickness direction could not be increased.
特開２０００－１８５７４０号公報JP 2000-185740 A 特開２００５－２０５７５７号公報JP 2005-205757 A
　本発明はこのような従来技術の実情に鑑みてなされたものであり、側面にガゼット部を有するサイドガゼットの注出具付き包装袋において、シール不良による内容物の漏れの発生を防止し、包装袋の自立性、意匠性を向上させることを課題とする。 The present invention has been made in view of such a state of the art, and in a packaging bag with a side gusset having a gusset portion on its side surface, prevents leakage of contents due to defective sealing, and the packaging bag. The problem is to improve the independence and design of the paper.
　本発明者は上記課題を解決すべく、鋭意研究を重ねた結果、本発明は、前後一対の平面部と、左右一対のガゼット側面部とを有し、かつ、平面部の上縁部に注出具が接着されるサイドガゼットの注出具付き包装袋であって、前記ガゼット側面部は、両側縁部が前記平面部の両側縁部に接着されるとともに、両側縁部から内側に折り込まれることにより高さ方向に延びる折込線が形成される。そして、前記ガゼット側面部の対向する折込線の間隔が、ガゼット側面部の上部において前記抽出具の接着部の幅よりも大きく、かつ、ガゼット側面部の中間部および下部において前記抽出具の接着部の幅よりも小さくなるように形成されていることを特徴とする。 As a result of intensive studies to solve the above-mentioned problems, the present inventor has a pair of front and rear plane portions and a pair of left and right gusset side portions, and is applied to the upper edge of the plane portion. It is a packaging bag with a pour tool for a side gusset to which the pouch is bonded, and the side gusset is bonded to both side edges of the flat portion and folded inward from the side edges. A folding line extending in the height direction is formed. And the space | interval of the folding line which the said gusset side part opposes is larger than the width | variety of the adhesion part of the said extraction tool in the upper part of a gusset side part, and the adhesion part of the said extraction tool in the intermediate part and lower part of a gusset side part It is formed so that it may become smaller than the width | variety of this.
　これによれば、側面にガゼット部を有するサイドガゼットの注出具付き包装袋において、前記ガゼット側面部の対向する折込線の間隔がガゼット側面部の中間部および下部において前記抽出具の接着部の幅よりも小さくなるように形成されているため、包装袋の厚み方向の大きさ（ガゼット側面部の幅）を大きくすることができ、底板を設けなくても、自立性が安定し、意匠性に優れた包装袋を提供することができる。さらに、前記ガゼット側面部の対向する折込線の間隔が、ガゼット側面部の上部において前記抽出具の接着部の幅よりも大きく形成されているため、シールバーによる熱や圧力のばらつきによるシール不良の発生を防ぐことができる。 According to this, in the packaging bag with a pour-out tool of the side gusset having the gusset portion on the side surface, the interval between the opposing fold lines of the gusset side surface portion is the width of the bonding portion of the extractor at the middle portion and the lower portion of the gusset side surface portion. Since it is formed so as to be smaller than that, the size of the packaging bag in the thickness direction (the width of the side face portion of the gusset) can be increased, and even if no bottom plate is provided, the independence is stable and the design is improved. An excellent packaging bag can be provided. Furthermore, since the gap between the opposing fold lines of the gusset side surface portion is formed larger than the width of the bonding portion of the extraction tool at the upper portion of the gusset side surface portion, a seal failure due to variations in heat and pressure by the seal bar is caused. Occurrence can be prevented.
　また、前記ガゼット側面部は、折込線が中間部および下部において高さ方向の延びる縦辺部と、該縦辺部の上端から外側上方向の延びる傾斜部とからなるものであってもよい。 Further, the gusset side surface portion may be composed of a vertical side portion in which the folding line extends in the height direction in the middle portion and the lower portion, and an inclined portion that extends outward from the upper end of the vertical side portion.
　これによれば、縦辺部では、前記ガゼット側面部の対向する折込線の間隔が、ガゼット側面部の中間部および下部において前記抽出具の接着部の幅よりも小さくなるように形成され、ガゼット側面部の幅を大きく一定に保つことができる。また、傾斜部では、前記ガゼット側面部の対向する折込線の間隔が、ガゼット側面部の上部において前記抽出具の接着部の幅よりも大きくなるように形成され、ガゼット側面部の上部の幅を次第に狭くすることができる。 According to this, in the vertical side portion, the gap between the opposing fold lines of the gusset side surface portion is formed to be smaller than the width of the adhesive portion of the extraction tool at the middle portion and the lower portion of the gusset side surface portion, The width of the side portion can be kept large and constant. Further, in the inclined portion, the interval between the opposing folding lines of the gusset side surface portion is formed to be larger than the width of the adhesive portion of the extractor at the upper portion of the gusset side surface portion, and the width of the upper portion of the gusset side surface portion is increased. It can be narrowed gradually.
　前記ガゼット側面部は、中間部および下部において、両側縁部の接着部の内縁線から折込線までの間隔ｔ１と、対向する折込線の間隔ｔ２との比率ｔ２／ｔ１が１．２以下、さらに好ましくは１．０以下がよい。 In the intermediate portion and the lower portion of the gusset side surface portion, the ratio t2 / t1 between the interval t1 from the inner edge line of the adhesive portion on both side edge portions to the folding line and the interval t2 between the opposing folding lines is 1.2 or less, and 1.0 or less is preferable.
　これによれば、抽出具付き包装袋の自立性を飛躍的に安定させることができる。 According to this, the independence of the packaging bag with an extractor can be dramatically stabilized.
　本発明によれば、側面にガゼットを有するサイドガゼットの注出具付き包装袋において、ガゼット側面部の幅を大きくすることができるため、自立性が安定した包装袋を提供することができる。また、包装袋の水平断面が底面から高さ方向中間部までは、より正方形に近づけることにより、意匠性に優れた包装袋を提供することができる。さらに、シールバーによる熱や圧力のばらつきが抑えられ、シール不良による内容物の漏れの発生を防止することができる。 According to the present invention, since the width of the side face portion of the gusset can be increased in the side gusseted packaging bag having a gusset on the side surface, a packaging bag with stable independence can be provided. Moreover, the packaging bag excellent in the designability can be provided by making the horizontal cross section of the packaging bag closer to a square from the bottom surface to the intermediate portion in the height direction. Further, variations in heat and pressure due to the seal bar can be suppressed, and the occurrence of leakage of contents due to a seal failure can be prevented.
第１の実施形態の注出具付き包装袋の斜視図である。It is a perspective view of the packaging bag with the extraction tool of 1st Embodiment. 第１の実施形態の注出具付き包装袋の折り畳んだ状態の正面図である。It is a front view of the folded state of the packaging bag with the extraction tool of 1st Embodiment. 第１の実施形態の注出具付き包装袋の注出具の（ａ）正面図、（ｂ）底面図である。It is (a) front view and (b) bottom view of the extraction tool of the packaging bag with the extraction tool of 1st Embodiment. 第１の実施形態の注出具付き包装袋のガゼット側面部を説明するための図である。It is a figure for demonstrating the gusset side part of the packaging bag with a extraction tool of 1st Embodiment. 他のガゼット側面部を説明するための図である。It is a figure for demonstrating another gusset side part. 第２の実施形態の注出具付き包装袋のガゼット側面部を説明するための図である。It is a figure for demonstrating the gusset side part of the packaging bag with a extraction tool of 2nd Embodiment. 従来の包装袋を示す斜視図である。It is a perspective view which shows the conventional packaging bag.
　以下、本発明をその好ましい実施形態について図面を参照して説明する。ここで、図２の左右方向を幅方向、上下方向を高さ方向、前後方向を厚み方向とする。包装袋の幅、厚み方向の大きさとは、一方のシール部の内縁から他方のシール部の内縁までの間隔をいう。包装袋の高さとは折り畳んだ状態の底シール部の外縁から天シール部の外縁をいうものとする。また、シートとは、一般にフィルムと呼ばれているものが含まれるものとする。 Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. Here, the horizontal direction in FIG. 2 is the width direction, the vertical direction is the height direction, and the front-rear direction is the thickness direction. The width of the packaging bag and the size in the thickness direction refer to the distance from the inner edge of one seal part to the inner edge of the other seal part. The height of the packaging bag refers to the outer edge of the top seal part from the outer edge of the bottom seal part in the folded state. The sheet includes what is generally called a film.
＜第１の実施形態＞
　本発明の第１の実施形態について図１から図５を参照しつつ説明する。 <First Embodiment>
A first embodiment of the present invention will be described with reference to FIGS.
　本発明の第１の実施形態における注出具付き包装袋１は、前後一対の平面部２と、左右一対のガゼット側面部３とを有し、上縁部に注出具４が取り付けられている。前後一対の平面部２は前面部２ａと後面部２ｂとからなる。ガゼット側面部３は、前面部２ａと後面部２ｂの間に左右両側縁から内側に折り込まれて、ガゼット部を形成している。 The packaging bag 1 with a pour tool in the first embodiment of the present invention has a pair of front and rear flat portions 2 and a pair of left and right gusset side portions 3, and a pour tool 4 is attached to the upper edge portion. The pair of front and rear plane portions 2 includes a front surface portion 2a and a rear surface portion 2b. The gusset side surface portion 3 is folded inward from the left and right side edges between the front surface portion 2a and the rear surface portion 2b to form a gusset portion.
　平面部２及びガゼット側面部３は、可撓性のシートからなり、少なくとも片面にシーラント層が形成されている。可撓性のシートの構成や厚みは特に限定されるものではなく、内容物の性状に合わせて、酸素バリア性や水蒸気バリア性等を具備させた設計が適宜可能である。例えば、外層側からポリエチレンテレフタレート樹脂（厚み１２μｍ）、ポリアミド樹脂（厚み１５μｍ）、ポリエチレン樹脂（厚み１００μｍ）の順にドライラミネート法により積層させたシートである。 The flat surface portion 2 and the gusset side surface portion 3 are made of a flexible sheet, and a sealant layer is formed on at least one surface. The configuration and thickness of the flexible sheet are not particularly limited, and a design having an oxygen barrier property, a water vapor barrier property, and the like can be appropriately selected according to the properties of the contents. For example, a sheet obtained by laminating a polyethylene terephthalate resin (thickness 12 μm), a polyamide resin (thickness 15 μm), and a polyethylene resin (thickness 100 μm) in this order from the outer layer side.
　平面部２は、前面部２ａと後面部２ｂのシーラント層が互いに向かい合うように重ね合わされる。平面部２の両側縁がガゼット側面部３の周縁とヒートシールにより接着されることにより側縁シール部Ｓ２が高さ方向に４ヶ所形成されている。 The plane part 2 is overlapped so that the sealant layers of the front part 2a and the rear part 2b face each other. Four side edge seal portions S2 are formed in the height direction by bonding both side edges of the flat portion 2 to the periphery of the gusset side surface portion 3 by heat sealing.
　平面部２の下縁部には、前面部２ａと後面部２ｂとの下縁部を互いにヒートシールにより接着することにより底シール部Ｓ３が形成されている。さらに、底シール部Ｓ３の長手方向両側には、斜め上方に側縁シール部Ｓ２まで延びる斜めシール部Ｓ４が形成されている。斜めシール部Ｓ４は平面部２とガゼット側面部３とをヒートシールにより接着することにより形成されている。 A bottom seal portion S3 is formed on the lower edge portion of the flat surface portion 2 by bonding the lower edge portions of the front surface portion 2a and the rear surface portion 2b to each other by heat sealing. Further, diagonal seal portions S4 extending diagonally upward to the side edge seal portion S2 are formed on both longitudinal sides of the bottom seal portion S3. The oblique seal portion S4 is formed by bonding the flat portion 2 and the gusset side portion 3 by heat sealing.
　斜めシール部Ｓ４は底シール部Ｓ３に対する角度αが３０～５０度を成すように形成されるのが好ましい。より好ましくは４５度である。内容物を収容し落下させたとき、落下による衝撃がガゼット袋の特定の部分へ集中することを防止できるため破袋し難くなり、安全性が優れている。なお、斜めシール部Ｓ４は直線に限定されるものではなく、曲線状などであってもよい。 The oblique seal portion S4 is preferably formed such that the angle α with respect to the bottom seal portion S3 is 30 to 50 degrees. More preferably, it is 45 degrees. When the contents are stored and dropped, the impact caused by the drop can be prevented from being concentrated on a specific portion of the gusset bag, so that it is difficult to break the bag and safety is excellent. The oblique seal portion S4 is not limited to a straight line, and may be a curved shape.
　平面部２の上縁部には、注出具４の接着部４３と平面部２との上縁部をヒートシールにより接着することにより天シール部Ｓ１が形成されている。 The top seal part S1 is formed on the upper edge part of the flat part 2 by adhering the upper edge part of the bonding part 43 of the pouring tool 4 and the flat part 2 by heat sealing.
　注出具４は平面部２の上端の前面部２ａと後面部２ｂの間の開口部から挿入し、ヒートシールにより接着することにより固定されている。図３に示すように、注出具４は軸方向に上方から筒状部４１と、フランジ部４２と、接着部４３とが連設している。筒状部４１には着脱自在に閉栓具が取り付けられる。接着部４３は幅方向に伸びる舟形の形状をし、表面には溶着のためのリブ４４が形成されている。注出具４は、成形性、加工性に優れた合成樹脂製であることが好ましい。合成樹脂としては、例えば、ポリエチレン、ポリプロピレン等のポリオレフィン樹脂、ポリスチレン樹脂、ポリアミド樹脂、ポリエステル樹脂、アクリル樹脂、塩化ビニル樹脂、塩化ビニリデン樹脂、ポリエーテルサルホン等が挙げられる。成形方法としては、射出成形等の適切な成形によって、一体成形されることが、コスト面等から好ましい。 The pouring tool 4 is fixed by being inserted through an opening between the front surface portion 2a and the rear surface portion 2b at the upper end of the flat surface portion 2 and bonded by heat sealing. As shown in FIG. 3, the dispensing tool 4 includes a cylindrical portion 41, a flange portion 42, and an adhesive portion 43 that are continuously provided in the axial direction from above. A stopper is detachably attached to the tubular portion 41. The bonding portion 43 has a boat shape extending in the width direction, and a rib 44 for welding is formed on the surface. The dispensing tool 4 is preferably made of a synthetic resin excellent in moldability and workability. Examples of the synthetic resin include polyolefin resins such as polyethylene and polypropylene, polystyrene resins, polyamide resins, polyester resins, acrylic resins, vinyl chloride resins, vinylidene chloride resins, and polyether sulfones. As a molding method, it is preferable from the viewpoint of cost and the like to be integrally molded by appropriate molding such as injection molding.
　図２に示すように、注出具付き包装袋１を折り畳んだ状態において、左右一対のガゼット側面部３の対向する折込線６の間隔が、注出具付き包装袋１の高さ方向の中間部および下部では、注出具４の接着部４３の幅Ｌよりも小さい。また、注出具付き包装袋１の高さ方向の上部では、注出具４の接着部４３の幅Ｌよりも大きくなるように形成されている。折込線６とは、注出具付き包装袋１を折り畳んだ状態において、ガゼット側面部３の内縁の稜線をいうものとする。 As shown in FIG. 2, in a state where the packaging bag 1 with the pour tool is folded, the interval between the opposing folding lines 6 of the pair of left and right gusset side portions 3 is an intermediate portion in the height direction of the packaging bag 1 with the pour tool and In the lower part, it is smaller than the width L of the bonding part 43 of the extraction tool 4. Moreover, in the upper part of the height direction of the packaging bag 1 with the extraction tool, it is formed so as to be larger than the width L of the bonding portion 43 of the extraction tool 4. The folding line 6 refers to the ridgeline of the inner edge of the gusset side part 3 in a state in which the packaging bag 1 with the dispensing tool is folded.
　折込線６は、注出具付き包装袋１の下縁部から高さ方向上方に縦辺部６１が伸びている。さらに、注出具付き包装袋１の高さ方向の上部では、縦辺部６１に連続し、縦辺部６１の上端から外側上方向に伸びる傾斜部６２が形成されている。下方部では折込線６の間隔を注出具４の接着部４３の幅Ｌよりも小さくできるため、注出具付き包装袋１の厚み方向の大きさを大きく設計ができる。このため、底面をより正方形に近づけることができ、自立性を向上させることができる。かつ、上方部では注出具４の接着部４３の幅Ｌよりも大きいため、注出具４のヒートシールに影響を与えることがない。 In the folding line 6, the vertical side portion 61 extends upward in the height direction from the lower edge portion of the packaging bag 1 with the dispensing tool. Furthermore, in the upper part in the height direction of the packaging bag 1 with the dispensing tool, an inclined part 62 is formed which is continuous with the vertical side part 61 and extends outward from the upper end of the vertical side part 61. Since the space | interval of the folding line 6 can be made smaller than the width | variety L of the adhesion part 43 of the extraction tool 4 in a lower part, the magnitude | size of the thickness direction of the packaging bag 1 with an extraction tool can be designed large. For this reason, a bottom face can be made closer to a square and self-supporting property can be improved. And since it is larger than the width | variety L of the adhesion part 43 of the extraction tool 4 in an upper part, it does not affect the heat seal of the extraction tool 4. FIG.
　図４（ａ）に示すように、まず、左右のガゼット側面部３は高さ方向に沿って縦折り線７１で二つ折りされる。次に、図４（ｂ）に示すように、ガゼット上辺３ａがガゼット外側辺３ｂに沿うように、ガゼット内側辺３ｃとガゼット上辺３ａによって挟まれた隅部３ｄを、斜め折り線７２によってガゼット外側辺３ｂ側に折り曲げることにより、隅部３ｄを頂角とする直角二等辺三角形の三角フラップｆが形成されている。三角フラップfのフラップ第１辺ｆ１は斜め折り線７２からなる折込線６である。フラップ第２辺ｆ２は縦折り線７１からなり、フラップ第１辺ｆ１と角βをなす辺である。フラップ第３辺ｆ３はガゼット上辺３ａからなり、角βの対辺である。フラップ第３辺ｆ３はガゼット外側辺３ｂよりも内側方向に１～５ｍｍ程度ずらした状態となるように斜め折り線７２で折り曲げられている。フラップ第３辺ｆ３は側縁シール部Ｓ２の領域に納まるよう折り曲げられてシールされている。側縁シール部Ｓ２によって、ガゼット側面部３は前面部２ａと、三角フラップｆは前面部２ａ及びガゼット側面部３とシールされている。 As shown in FIG. 4A, first, the left and right gusset side portions 3 are folded in two along a vertical fold line 71 along the height direction. Next, as shown in FIG. 4B, the corner 3d sandwiched between the gusset inner side 3c and the gusset upper side 3a is formed by the diagonal fold line 72 so that the gusset upper side 3a is along the gusset outer side 3b. By folding the side 3b to the side, a triangular flap f of an isosceles right triangle having a corner 3d as an apex angle is formed. The flap first side f1 of the triangular flap f is a fold line 6 composed of a diagonal fold line 72. The flap second side f2 is composed of the vertical fold line 71, and is the side that forms an angle β with the flap first side f1. The flap third side f3 is composed of the upper side 3a of the gusset and is the opposite side of the corner β. The flap third side f3 is bent at an oblique fold line 72 so as to be shifted by about 1 to 5 mm inward from the gusset outer side 3b. The flap third side f3 is bent and sealed so as to fit in the region of the side edge seal portion S2. The side face seal portion S2 seals the gusset side surface portion 3 with the front surface portion 2a, and the triangular flap f with the front surface portion 2a and the gusset side surface portion 3.
　上記実施形態では、フラップ第３辺ｆ３をガゼット外側辺３ｂの内側にずらしたものを説明したが、図５（ａ）に示すように、フラップ第３辺ｆ３とガゼット外側辺３ｂを重ね合わせた状態に折り曲げた三角フラップｆであってもよい。また、上記実施形態では角β＝４５度のものを説明したが、図５（ｂ）に示すように角β＝４５度以上となる三角フラップｆでもよく、図５（ｃ）に示すように角β＝４５度以下となる三角フラップｆであってもよい。各フラップ第３辺ｆ３は側縁シール部Ｓ２の領域に納まるようにシールされる。（ｂ）、（ｃ）の場合、側縁シール部Ｓ２が内側に突出するような形状によりシールされる。側縁シール部Ｓ２によって、ガゼット側面部３は前面部２ａと、三角フラップｆは前面部２ａ及びガゼット側面部３とシールされる。 In the embodiment described above, the flap third side f3 is shifted to the inside of the gusset outer side 3b. However, as shown in FIG. 5A, the flap third side f3 and the gusset outer side 3b are overlapped. It may be a triangular flap f bent into a state. In the above embodiment, the angle β = 45 degrees has been described. However, as shown in FIG. 5B, a triangular flap f having an angle β = 45 degrees or more may be used, as shown in FIG. 5C. It may be a triangular flap f with an angle β = 45 degrees or less. Each flap third side f3 is sealed so as to fit in the region of the side edge seal portion S2. In the case of (b) and (c), the side edge seal portion S2 is sealed with a shape protruding inward. The side edge seal portion S2 seals the gusset side surface portion 3 with the front surface portion 2a, and the triangular flap f with the front surface portion 2a and the gusset side surface portion 3.
＜第２の実施形態＞
　次に、本発明に係る注出具付き包装袋１の第２の実施形態について図６を参照しつつ説明する。以下の説明では、第１の実施形態と異なる構造について説明することとし、同一の構造については同一の符号を付し、その説明を省略する。 <Second Embodiment>
Next, 2nd Embodiment of the packaging bag 1 with the extraction tool which concerns on this invention is described, referring FIG. In the following description, a structure different from that of the first embodiment will be described. The same structure is denoted by the same reference numeral, and the description thereof is omitted.
　第１の実施形態では斜め折り線７２で折り曲げることにより傾斜部６２を形成させたが、ガゼット側面部３はＶ字上に二つ折りされ、上端がガゼット外側辺３ｂ側に向かって斜め上方にカットされることにより傾斜部６２が形成され、傾斜部６２がシールされている。 In the first embodiment, the inclined portion 62 is formed by folding along the diagonal fold line 72, but the gusset side surface portion 3 is folded in half on the V shape and the upper end is cut obliquely upward toward the gusset outer side 3b side. As a result, an inclined portion 62 is formed, and the inclined portion 62 is sealed.
　上記各実施形態において、天シール部Ｓ１が側縁シール部Ｓ２にまで達している注出具付き包装袋１を説明したが、天シール部Ｓ１の長手方向両側には、斜め下方に側縁シール部Ｓ２まで延びる肩シール部を形成することもできる。肩シール部は平面部２とガゼット側面部３とをヒートシールすることに形成される。肩シール部は直線に限定されるものではなく、アール形状であってもよい。また、上記各実施形態において、斜めシール部Ｓ４を設けたものを説明したが、必ずしも斜めシール部Ｓ４を設けなくてもよい。 In each of the embodiments described above, the packaging bag 1 with the dispensing tool in which the top seal portion S1 reaches the side edge seal portion S2 has been described, but the side edge seal portion is obliquely downward on both sides in the longitudinal direction of the top seal portion S1. A shoulder seal portion extending up to S2 can also be formed. The shoulder seal portion is formed by heat-sealing the flat portion 2 and the gusset side portion 3. The shoulder seal portion is not limited to a straight line, and may have a round shape. Moreover, in each said embodiment, although what provided the diagonal seal | sticker part S4 was demonstrated, it does not necessarily need to provide the diagonal seal | sticker part S4.
　上記実施形態では、折込線６の上端部が側縁シール部Ｓ２に達するものを説明したが、折込線６の上端部が天シール部Ｓ１または肩シール部に達するものであってもよい。 In the above-described embodiment, the upper end portion of the folding line 6 reaches the side edge seal portion S2, but the upper end portion of the folding line 6 may reach the top seal portion S1 or the shoulder seal portion.
　以下、実施例及び比較例を挙げて、本発明を詳細に説明するが、本発明はこれらに限定されるものではない。 Hereinafter, the present invention will be described in detail with reference to examples and comparative examples, but the present invention is not limited thereto.
［実施例１～７及び比較例１～３］
　以下に示すＡ～Ｃの構成のシートを用いて、図２に示すような注出具付き包装袋１を作製した。左右の側縁シール部の内縁間の間隔Ｗを６４ｍｍ、８４ｍｍ、１０４ｍｍとし、側縁シール部Ｓ２の内縁から折込線６までの間隔ｔ１をそれぞれ変えて、注出具４の接着部４３の幅Ｌが３５ｍｍの注出具４をヒートシールして取り付けた。斜めシール部Ｓ４は底シール部Ｓ３に対する角度α＝４５度、三角フラップｆの角β＝４５度、折込線６の上端と包装袋の上縁部との間隔ｈ１＝４０ｍｍとした。
（1）シート構成
　シート構成Ａは、平面部２には、最外層としてポリエチレンテレフタレートフィルム（厚み１２μｍ）、中間層としてポリアミドフィルム（厚み１５μｍ）、最内層として直鎖状低密度ポリエチレンフィルム（厚み１００μｍ）を、ポリエステル系接着剤を使用してドライラミネートして作製したシートを用いた。ガゼット側面部３には、最外層としてポリエチレンテレフタレートフィルム（厚み１２μｍ）、中間層としてポリアミドフィルム（厚み１５μｍ）、最内層として直鎖状低密度ポリエチレンフィルム（厚み８０μｍ）を、ポリエステル系接着剤を使用してドライラミネートして作製したシートを用いた。
　シート構成Ｂは、平面部２及びガゼット側面部３には、最外層としてポリエチレンテレフタレートフィルム（厚み１２μｍ）、中間層としてポリアミドフィルム（厚み１５μｍ）、最内層として直鎖状低密度ポリエチレンフィルム（厚み１００μｍ）を、ポリエステル系接着剤を使用してドライラミネートして作製したシートを用いた。
　シート構成Ｃは、平面部２には、最外層としてポリエチレンテレフタレートフィルム（厚み１２μｍ）、中間層としてポリアミドフィルム（厚み１５μｍ）、最内層として直鎖状低密度ポリエチレンフィルム（厚み１２０μｍ）を、ポリエステル系接着剤を使用してドライラミネートして作製したシートを用いた。ガゼット側面部３には、最外層としてポリエチレンテレフタレートフィルム（厚み１２μｍ）、中間層としてポリアミドフィルム（厚み１５μｍ）、最内層として直鎖状低密度ポリエチレンフィルム（厚み１００μｍ）を、ポリエステル系接着剤を使用してドライラミネートして作製したシートを用いた。 [Examples 1 to 7 and Comparative Examples 1 to 3]
A packaging bag 1 with a pouring tool as shown in FIG. 2 was prepared using sheets having the following configurations A to C. The distance W between the inner edges of the left and right side edge seal portions is 64 mm, 84 mm, and 104 mm, and the distance t1 from the inner edge of the side edge seal portion S2 to the folding line 6 is changed to change the width L of the adhesive portion 43 of the extraction tool 4 The 35 mm extraction tool 4 was heat-sealed and attached. The oblique seal portion S4 has an angle α = 45 ° with respect to the bottom seal portion S3, an angle β = 45 ° of the triangular flap f, and an interval h1 = 40 mm between the upper end of the folding line 6 and the upper edge portion of the packaging bag.
(1) Sheet configuration Sheet configuration A has a flat portion 2 with a polyethylene terephthalate film (thickness 12 μm) as the outermost layer, a polyamide film (thickness 15 μm) as the intermediate layer, and a linear low-density polyethylene film (thickness 100 μm) as the innermost layer. ) Was dry-laminated using a polyester-based adhesive. For the gusset side 3, a polyethylene terephthalate film (thickness 12 μm) is used as the outermost layer, a polyamide film (thickness 15 μm) is used as the intermediate layer, a linear low density polyethylene film (thickness 80 μm) is used as the innermost layer, and a polyester adhesive is used. Then, a sheet produced by dry lamination was used.
Sheet configuration B has a flat portion 2 and a gusset side portion 3 with a polyethylene terephthalate film (thickness 12 μm) as the outermost layer, a polyamide film (thickness 15 μm) as the intermediate layer, and a linear low density polyethylene film (thickness 100 μm) as the innermost layer. ) Was dry-laminated using a polyester-based adhesive.
The sheet structure C is made of a polyethylene-based terephthalate film (thickness 12 μm) as the outermost layer, a polyamide film (thickness 15 μm) as the intermediate layer, a linear low density polyethylene film (thickness 120 μm) as the innermost layer, A sheet produced by dry lamination using an adhesive was used. For the gusset side surface 3, a polyethylene terephthalate film (thickness 12 μm) is used as the outermost layer, a polyamide film (thickness 15 μm) is used as the intermediate layer, a linear low density polyethylene film (thickness 100 μm) is used as the innermost layer, and a polyester adhesive is used. Then, a sheet produced by dry lamination was used.
　まず、実施例及び比較例で用いた評価方法について説明する。
＜自立性試験＞
　各々の注出具付き包装袋１を試作し、水を４００ｍＬ充填し、直後の自立安定性を確認した。サンプル数は各３とした。その結果を表１に示す。
〇：安定して自立する
△：自立するが少し不安定
×：自立しない First, evaluation methods used in Examples and Comparative Examples will be described.
<Independence test>
Each packaging bag 1 with a pouring tool was prototyped and filled with 400 mL of water, and the self-supporting stability immediately after was confirmed. The number of samples was 3 each. The results are shown in Table 1.
○: Stable and independent △: Self-sustained but slightly unstable ×: Not independent
Figure JPOXMLDOC01-appb-T000001
 　Ｗ：左右側縁シール内縁間の間隔(包装袋の幅）
　ｔ１：高さ方向の中間部および下部における側縁シール部の内縁から折込線までの間隔
　ｔ２：高さ方向の中間部および下部における折込線間の間隔
　Ｌ：注出具の接着部の幅
　Ｔ：包装袋の厚み
　Ｈ：包装袋の高さ
Figure JPOXMLDOC01-appb-T000001
 W: Spacing between the inner edges of the left and right side seals (width of the packaging bag)
t1: Distance between the inner edge of the side edge seal portion and the folding line at the intermediate portion and the lower portion in the height direction t2: Space between the folding line at the intermediate portion and the lower portion in the height direction L: Width of the adhesive portion of the extraction tool T: Packaging bag thickness H: Packaging bag height
　表１に示すように、注出具付き包装袋１の高さ方向の中間部および下部における側縁シール部の内縁から折込線６までの間隔ｔ１と、対向する折込線６間の間隔ｔ２との比率ｔ２／ｔ１が１.２以下である場合、左右の側縁シール部の内縁間の間隔を６４ｍｍ、８４ｍｍ、１０４ｍｍともに安定して自立する、もしくは、自立するが少し不安定であったことが確認された。さらに、ｔ２／ｔ１が１．０以下では左右の側縁シール部の内縁間の間隔を６４ｍｍ、８４ｍｍ、１０４ｍｍの全ての実施例において安定して自立したことが確認された。これに対して、ｔ２／ｔ１が１．４では比較例１、２では自立しないことが確認された。
　 As shown in Table 1, the distance t1 from the inner edge of the side edge seal part to the folding line 6 at the intermediate part and the lower part in the height direction of the packaging bag 1 with a dispensing tool, and the distance t2 between the opposing folding lines 6 When the ratio t2 / t1 is 1.2 or less, the intervals between the inner edges of the left and right side edge seal parts are 64 mm, 84 mm, and 104 mm which are both stable and self-supporting or have been slightly unstable. confirmed. Furthermore, when t2 / t1 was 1.0 or less, it was confirmed that the distance between the inner edges of the left and right side edge seal portions was stable and independent in all examples of 64 mm, 84 mm, and 104 mm. On the other hand, when t2 / t1 was 1.4, it was confirmed that Comparative Examples 1 and 2 were not independent.

Claims (4)

  1. 　前後一対の平面部と、左右一対のガゼット側面部とを有し、かつ、平面部の上縁部に注出具が接着されるサイドガゼットの注出具付き包装袋であって、
    　前記ガゼット側面部は、両側縁部が前記平面部の両側縁部に接着されるとともに、両側縁部から内側に折り込まれることにより高さ方向に延びる折込線が形成され、
    　前記ガゼット側面部の対向する折込線の間隔が、ガゼット側面部の上部において前記抽出具の接着部の幅よりも大きく、かつ、ガゼット側面部の中間部および下部において前記抽出具の接着部の幅よりも小さくなるように形成されていることを特徴とする抽出具付きガゼット袋。     It has a pair of front and rear plane parts, and a pair of left and right gusset side parts, and is a packaging bag with a pour tool of a side gusset in which a pour tool is bonded to the upper edge of the flat part,
    The side face of the gusset side is bonded to both side edges of the flat part, and a fold line extending in the height direction is formed by being folded inward from the side edges,
    The interval between the opposing fold lines of the gusset side surface is larger than the width of the adhesive portion of the extractor at the upper portion of the gusset side portion, and the width of the adhesive portion of the extractor at the middle portion and the lower portion of the gusset side surface portion. It is formed so that it may become smaller than this, The gusset bag with an extractor characterized by the above-mentioned.
  2. 　前記ガゼット側面部は、折込線が中間部および下部において高さ方向の延びる縦辺部と、該縦辺部の上端から外側上方向の延びる傾斜部とからなる請求項１に記載の注出具付き包装袋。 The said gusset side surface part has a pouring tool according to claim 1, wherein the folding line includes a vertical side part extending in the height direction at the intermediate part and the lower part, and an inclined part extending upward from the upper end of the vertical side part. Packaging bag.
  3. 　前記ガゼット側面部は、中間部および下部において、両側縁部の接着部の内縁線から折込線までの間隔ｔ１と、対向する折込線の間隔ｔ２との比率ｔ２／ｔ１が１．２以下である請求項１または請求項２に記載の注出具付き包装袋。 In the intermediate portion and the lower portion of the gusset side surface portion, the ratio t2 / t1 between the interval t1 from the inner edge line of the adhesive portion on both side edge portions to the folding line and the interval t2 between the opposing folding lines is 1.2 or less. The packaging bag with the extraction tool according to claim 1 or 2.
  4. 　前記ガゼット側面部は、中間部および下部において、両側縁部の接着部の内縁線から折込線までの間隔ｔ１と、対向する折込線の間隔ｔ２との比率ｔ２／ｔ１が１．０以下である請求項３に記載の注出具付き包装袋。
    　     In the intermediate portion and the lower portion of the gusset side surface portion, the ratio t2 / t1 between the interval t1 from the inner edge line of the adhesive portion on both side edge portions to the folding line and the interval t2 between the opposing folding lines is 1.0 or less. The packaging bag with the extraction tool according to claim 3.
PCT/JP2014/072553 2014-08-28 2014-08-28 Packing bag equipped with spouting tool WO2016031012A1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10166477A (en) * 1996-12-06 1998-06-23 Nippon Tokkyo Kanri Kk Gusseted bag with zipper and its manufacture
JPH111250A (en) * 1997-06-16 1999-01-06 Fuji Seal Co Ltd Pouch container with stopper
JP2000072161A (en) * 1998-08-28 2000-03-07 Mitsubishi Heavy Ind Ltd Irregularly-shaped container with mouth stopper
JP2002145287A (en) * 2000-11-14 2002-05-22 Fuji Seal Inc Pouch container with spout
JP2005112385A (en) * 2003-10-06 2005-04-28 Totani Corp Plastic bag
JP2014184982A (en) * 2013-03-25 2014-10-02 Pacplus Co Ltd Packaging bag with pouring tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10166477A (en) * 1996-12-06 1998-06-23 Nippon Tokkyo Kanri Kk Gusseted bag with zipper and its manufacture
JPH111250A (en) * 1997-06-16 1999-01-06 Fuji Seal Co Ltd Pouch container with stopper
JP2000072161A (en) * 1998-08-28 2000-03-07 Mitsubishi Heavy Ind Ltd Irregularly-shaped container with mouth stopper
JP2002145287A (en) * 2000-11-14 2002-05-22 Fuji Seal Inc Pouch container with spout
JP2005112385A (en) * 2003-10-06 2005-04-28 Totani Corp Plastic bag
JP2014184982A (en) * 2013-03-25 2014-10-02 Pacplus Co Ltd Packaging bag with pouring tool

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