JP2009524557A - Packaging bag with spout - Google Patents

Packaging bag with spout Download PDF

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Publication number
JP2009524557A
JP2009524557A JP2008551937A JP2008551937A JP2009524557A JP 2009524557 A JP2009524557 A JP 2009524557A JP 2008551937 A JP2008551937 A JP 2008551937A JP 2008551937 A JP2008551937 A JP 2008551937A JP 2009524557 A JP2009524557 A JP 2009524557A
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Japan
Prior art keywords
spout
region
packaging bag
sealing
films
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Legal status (The legal status 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 status listed.)
Pending
Application number
JP2008551937A
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Japanese (ja)
Inventor
敏 彦 森
田 志津香 藤
田 康 治 高
Original Assignee
ザ プロクター アンド ギャンブル カンパニー
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Priority to US76275806P priority Critical
Application filed by ザ プロクター アンド ギャンブル カンパニー filed Critical ザ プロクター アンド ギャンブル カンパニー
Priority to PCT/IB2007/050265 priority patent/WO2007086023A1/en
Publication of JP2009524557A publication Critical patent/JP2009524557A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5816Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion
    • B65D75/5822Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion and defining, after tearing, a small dispensing spout, a small orifice or the like

Abstract

  For a spouted packaging bag with a tube attached to the spout, making it easier to open the spout and preventing it from being accidentally torn. A packaging bag 1 with a spout has a sealed region 5 a formed by sealing a flow path 11 in a spout 10 established on the top of the packaging bag 1 with two films 2 and 3. 7, the tube 12 is attached to the inside of the flow path 11 of the spout 10, and an opening guide line 14 that leads the opening in a direction crossing the flow path 11 of the spout 10 is provided on one side of the spout 10. It is formed in the side sealing region 7. The sealing region 5 a on the other side includes a plurality of score lines 16, 16 that pass through the sealing regions 5 a of the two films 2 and 3 and are aligned with respect to the end region 14 g of the opening guide line 14. Have.

Description

  The present invention relates to a packaging bag with a spout having a tube attached to the spout.

  In recent years, when a small amount of contents such as detergent or softening agent contained in a main container such as a plastic bottle is taken out and used, the main container is disposed when the contents of the main container are used up. Rather, it is refilled with new contents and the main container is reused. A packaging bag with a spout having a spout at the top of the packaging bag is used as a packaging bag for storing refill contents.

  For this type of packaging with a spout, the spout can be opened by cutting the leading end side of the spout, and then the main contents from the open spout for refilling into the container. Pour into a container. A notch or notch to the side of the spout that forms the starting point of the cutting line, or a flow path, so that it can be opened easily by tearing and opening the packaging bag by hand without using tools such as scissors Packaging bags are generally known, such as having a pre-formed semi-cut groove across the surface.

  For example, in the case of a pouch with a spout shown in Patent Document 1, the spout formed in the upper corner region is surrounded by the thermal bonding region, and the notch is formed on the side of the thermal bonding region. A tear stop formed by a hole or a round cut is formed at the end of the expected tear line extending laterally from the notch.

Furthermore, in the case of the packaging bag shown in Patent Document 2, the spout is not established, but the upper and lower pair of half-cut grooves are formed across the entire width of the packaging bag. A tear line formed starting from a notch formed in the side region of is guided by either the upper or lower half-cut groove. In the case of the packaging bag of Patent Document 2, since the notches are formed on both sides of the packaging bag, the packaging bag can be opened from either the right side or the left side. Regardless of whether it is opened or not, the tear line is guided by the half-cut groove, and after the tear line reaches the half-cut groove, the linear opening region is formed along the half-cut groove (Patent Document 2). Paragraph 0025).
Japanese Patent Application Publication No. 2000-281090 Japanese Patent Application Publication No. 2002-104437

  Additionally, in order to prevent the spout from becoming flat and to allow smooth pouring of the contents, a tube is attached inside the spout so that the front and back films are separated from each other. In this case, the spout swells along the outer shape of the tube.

  In the case of this type of spout with a tube, the tear line for the opening starting at the notch may be curved by a bulge along the tube, and it is difficult to control the direction of the tear line well. In particular, when the tear lines at the front and back of the packaging bag are staggered so as not to overlap each other (in the so-called “staggered tear” state shown in FIG. 3A), the tearing force is When dispersed and reaching the sealing region on the end region side of the tear line, the force to tear the open region stops and it may be difficult to tear the sealing region.

  If the area leading to the leading end side of the opening area of the spout remains, if this area contacts the bottle mouth during refilling, the opening area of the spout will be narrowed and disturbed The region on the leading end side of the opening region is preferably completely removed. Furthermore, if this area cannot be removed and the leading end area of the spout is left as described above, the leading end area usually hangs down from the open area or the surface is backed. Steps are taken, such as bending the leading end region outward to overlap the filter surface film.

  Further, if the half-cut groove is formed to traverse the spout, when the film bulges along the outside dimension of the tube, the half-cut groove deforms and opens to have a V-shaped cross-section, adjacent packaging. The bag can be easily contacted, and as a result, the half-cut groove of the packaging bag after it has been filled can be accidentally broken and opened, such as during transport or storage.

  In view of the above, an object of the present invention is to provide a packaging bag with a spout having a tube attached to the spout, allowing easy opening of the spout and ensuring that it is torn incorrectly. Is to prevent.

  To achieve the foregoing object, the present invention provides a packaging bag with a spout, wherein a flow path in the spout established at the top of the packaging bag is created by sealing two films. The tube is attached to the inside of the flow channel of the spout, and an opening guide line that leads the opening in a direction crossing the flow channel of the spout is provided on the side of the spout. A sealing region on one side of the spout that is formed on one side of the spout and faces the side of the spout penetrates the sealing region of the two films and is aligned with the end region of the opening guide line A plurality of score lines.

  In the case of this type of packaging bag with spout, the spout is preferably formed in the corner area of the packaging bag, and the spout channel is angled towards the top of the packaging bag. The opening guide line begins at the upper side of the packaging bag, the opening guide line extends at an upward angle along the flow path, then changes direction within the curved region, and the end region of the opening guide line is It extends parallel to the lower side of the packaging bag toward the outside of the packaging bag.

  The score line is preferably scored by a Thomson blade.

  In the case of the packaging bag with spout of the present invention, the plurality of cut lines formed in a row penetrates the sealing region on the side where the opening guide line is formed as on the opposite side, As a result, even when a “staggered tear” occurs on the tear line formed by the opening guide line as the starting point, the various tear lines are in any one of a plurality of cut lines on the end region side of the opening region. Can be reached. In addition, because the score line penetrates both of the films in the sealing area, both films reach the score line that the tear line on one film side reaches and the tear line on the other film side. It can be easily separated from the cut line. Therefore, the sealing region on the end side of the tear line can be easily torn, and the region on the leading end side of the spout opening region can be reliably removed. Of course, the time required for opening can also be shortened. Moreover, the open area can be opened wide by complete removal of the spout leading end area, so that refill productivity can be dramatically improved.

  Based on the preferred embodiments, the present invention will be described below with reference to the drawings.

  As shown in FIGS. 1A and 1B, a packaging bag 1 with a spout of the present invention (hereinafter simply referred to as “packaging bag”) has two main body films 2 having the same flat pattern. 3 and a bottom film 4 folded in half by a fold line 4a as a center line. The bottom film 4 is bent between the bottom portions of the pair of main body films 2 and 3 so that the folding line 4a faces inward.

  Side edge sealing regions 5 a and 5 b are formed on both side edges of the packaging bag 1. In the part above the bottom film 4 of the side edge sealing regions 5a and 5b, both the side edge regions of the main body films 2 and 3 are heat sealed together, and the bottom film 4 is interposed between the main body films 2 and 3. In the disposed lower section, both the side edge regions of the main body films 2 and 3 are heat sealed to both the side edges of the bottom film 4.

  Furthermore, the bottom sealing region 6 is formed in the bottom region of the packaging bag 1 by heat-sealing the bottom edge regions on the surfaces of the main body films 2 and 3 and the bottom film 4 facing each other. Incidentally, a notch (not shown in the drawing) is formed in a part of the bottom film 4 by a punch hole or the like, and one main body film 2 is directly heat sealed through the notch to the other main body film 3. It may be like this.

  The film used for the main body films 2 and 3 and the bottom film 4 may be a conventionally used material such as a laminated structure, and may be biaxially stretched polypropylene, biaxially stretched polyamide, or bilayer A base film made of axially stretched polyester, etc., laminated with a sealant layer made of a polyolefin resin such as low density polyethylene, linear low density polyethylene, ethylene vinyl acetate copolymer, or polypropylene It is. In this case, multiple layers of the base film may be laminated to increase the strength of the packaging bag. Alternatively, a metal foil such as an aluminum foil, an inorganic vapor deposition layer such as a ceramic, or an ethylene vinyl alcohol copolymer film may be laminated in order to increase gas and ultraviolet barrier properties. In addition, in order to increase the ease of tearing the packaging bag in the horizontal direction, when a uniaxially stretched polyolefin or nylon film is used, or a resin blended with aromatic nylon such as nylon 6 or MXD6 When an easily tearable nylon film obtained by stretching the film is used, it is possible to obtain an easy tear property, which is preferable.

  As shown in FIG. 1 (a), a spout 10 is established at the top of the packaging bag 1. In this embodiment, the spout 10 is established at the corner 1c between the upper side 1a of the packaging bag 1 and one side edge sealing region 5a (left side in FIG. 1 (a)). On the side where the spout 10 of the upper side 1a of the packaging bag 1 is disposed at the corner 1c, the main body films 2 and 3 are heated together by the upper sealing region 7 extending from one side edge sealing region 5a. It is sealed. Furthermore, the area between the upper sealing area 7 and the other side edge sealing area 5 b is left open as a filling port 8, and the contents can be filled into the packaging bag 1 through the filling port 8. It is.

  Incidentally, after the contents are filled, the main body films 2 and 3 are heat sealed together along the edge of the filling port 8, and the filling port 8 is filled along the upper side 1 a of the packaging bag 1. By forming the port sealing region 8a, it is sealed and closed (see FIG. 3).

  The unsealed area between both sealing areas 5a, 7 forms a flow path 11 towards the spout 10. In other words, the flow path 11 is partitioned by one side edge sealing area 5 a and the upper sealing area 7. The flow path 11 extends from the inner region of the packaging bag 1 toward the corner 1c in the upward angled direction of the packaging bag 1 (the upper left direction in FIG. 1A).

  A tube 12 is attached between the main body films 2 and 3 in the flow path 11 of the spout 10. The tube may be formed of a synthetic resin material such as polyethylene, polypropylene, polyamide, polyester, polystyrene, or polycarbonate, but is heated by heat sealing to the sealant layer on the inner surface of the body films 2 and 3. For the purpose of adhesion, a polyolefin resin such as polyethylene or polypropylene is preferred.

  As shown in FIG. 1B, the main body films 2 and 3 have an enlarged region 13 that swells in a region around the tube 12. The enlarged region 13 is preferably formed in advance (before the tube 12 is inserted) in the main body films 2 and 3 by vacuum forming or compressed air forming during the manufacturing process of the packaging bag 1.

  As shown in FIG. 2, an opening guide line 14 that leads the opening in a direction crossing the flow path 11 of the spout 10 is formed in the upper sealing region 7. The starting region 14a of the opening guide line 14 formed in the upper sealing region 7 is established in the upper side 1a of the packaging bag 1, and preferably has a notch or a V-shaped notch, the corner of the upper side being , Preferably rounded. This type of configuration can effectively prevent false opening when the filled packaging bag contacts other objects.

  The opening guide line 14 has a vertical region 14c that extends perpendicularly from the start region 14a to the upper side 1a, changes direction in a curved region 14d at the bottom of the vertical region 14c, and extends at an upward angle along the flow path. It has an angled region 14e, has an end region 14g that changes direction again from the angled region 14e in the curved region 14f and extends parallel to the lower side 1b of the packaging bag 1 toward the outside of the packaging bag 1. .

  In the case of the packaging bag 1 of this embodiment, the region from the vertical region 14c to the end region 14g along the angled region 14e is made of, for example, a main body film 2, 3 made using a Thompson blade. A cut (penetration mark) penetrating through the two sheets. In addition, both sides of the vertical region 14c are connected by an uncut region 14b remaining between the vertical region 14c and the start region 14a. The notches in the start area 14a and the through marks in the vertical area 14c are preferably formed at the same time in order to prevent misalignment with respect to each other.

  Although the width | variety of the uncut area | region 14b depends on the material of the main body films 2 and 3, it is about 0.5-1.5 mm, for example. In addition, if necessary, the uncut region 14 b may be formed at a plurality of locations along the opening guide line 14.

  The entire opening guide line 14 from the start point 14a to the end region 14g is formed in the upper sealing region 7 and does not extend to the unsealed region that forms the flow path 11 of the spout 10. The strength of the main body films 2 and 3 covering the spout 10 is not weakened, and tearing of the main body films 2 and 3 can be suppressed.

  Furthermore, by tearing the uncut region 14b, the region 15 surrounded by the vertical region 14c and the angled region 14e may be pulled away from the upper sealing region 7, and as a holding tab when the packaging bag is opened. It can be used. When this tab 15 is used, the tearing force of the hand can be sufficiently transmitted to the main body films 2 and 3 when the spout 10 starts to tear from the end region 14g.

  On top of that, a plurality of score lines 16 passing through the two main body films 2 and 3 end the opening guide line 14 that crosses the flow path 11 of the spout 10 in one side edge sealing region 5a. It is established in a line in a direction along the flow path 11 at a location corresponding to the region 14g.

  These score lines 16 are I-shaped notches extending in the same direction as the end region 14g (in this embodiment, parallel to the lower side 1b of the packaging bag 1), and are started by tearing from the end region 14g. The line is easily connected to the score line 16. These score lines 16, 16 can be formed using a tool such as a Thomson blade.

  The length of the cut line 16 is, for example, 0.5 to 2 mm. The space | interval between the adjacent score lines 16 is 2-4 mm, for example. Although the number of the cut lines 16 is two or more, it is more preferable to have three or more cut lines.

  When the packaging bag 1 of this embodiment is to be opened, first, the uncut region 14b is cut, and the tab 15 surrounded by the vertical region 14c and the angled region 14e is in the upper sealing region 7. Once formed, this tab 15 is gripped and tearing is initiated from the end region 14g of the opening guide line 14.

  As shown in FIG. 3 (a), the tear line 2a formed on one main body film 2 and the tear line 3a formed on the other main body film 3 are shifted from each other while tearing the spout 10 even if they are displaced. Even if they are not aligned (“staggered tear”), each of the tear lines 2 a, 3 a can reach one of the plurality of score lines 16, 16 formed in the sealing area 5 a of the opening area 17. Since each of the cut lines 16, 16 extends in the same direction as the end region 14g of the opening guide line 14, both the tear lines 2a, 3a can be extended by continuing to apply a manual tear force.

  Since the cut line 16 penetrates the two films 2 and 3, the area between the two films 2 and 3 is the cut line 16 in contact with the tear line 2 a of the one main body film 2 and the other main body film. Can be easily separated from the cut line 16 in contact with the tear line 3a. Therefore, the sealing region 5a on the end side of the tear lines 2a and 3a can be easily torn, and the leading end portion 10a of the spout 10 can be reliably removed as shown in FIG. 3 (b). is there.

  In this way, the leading end 10a of the spout 10 can be easily and reliably removed by manual tearing, so that the open area 17 is not obstructed by the main container (not shown in the drawing). It can be inserted into the spout and the contents can be efficiently transferred from the packaging bag 1 to the main container.

  Although the present invention has been described above based on the preferred embodiments, it is not limited to the above-described embodiments, and various modifications can be made without departing from the essence of the present invention. For example, the location where the spout is established in the present invention is not limited to the corner of the packaging bag, but can also be established in the central region of the upper side of the packaging bag. Further, the spout may have a shape in which the leading end protrudes from the upper side of the packaging bag.

(Preferred embodiment)
A packaging bag 1 with a spout having the shape shown in FIG. 1 was manufactured by the following procedure.

  Made of laminated material (biaxially stretched polyethylene terephthalate film / easy-tearable nylon film / linear low density polyethylene layer (sealing agent layer) obtained by stretching a mixed resin film of nylon 6 and nylon MDX6) A three-layer film is used for the main body films 2 and 3, and a two-layer film made of a laminated material (biaxially stretched nylon / linear low density polyethylene layer (sealing agent layer)) is used for the bottom film 4. Used.

  First, the enlarged region 13 is formed in a predetermined place of the main body films 2 and 3 by using compressed air molding or vacuum forming, and the cylindrical tube 12 is inserted into the enlarged region 13 and heat sealed. It was fixed. Next, the body films 2 and 3 are placed so that the sealant layers face each other, and the bottom film 4 folded in half so that the sealant layer forms the outer surface is formed between the body films 2 and 3. Was inserted. The main body films 2 and 3 are heat sealed to the bottom film 4 to form a bottom heat sealing region 6, and the side edge sealing regions 5 a and 5 b and the upper sealing region 7 are the upper corners of the packaging bag 1. It was formed so as to partition the flow path 11 in one of the partial areas 1c.

  Next, in order to complete the spouted packaging bag 1, an opening guide line 14 is formed in the upper sealing region 7, and a plurality of cut lines 16, 16 are formed by punching with one Thomson blade. It was formed in the side edge sealing region 5a.

  In this embodiment, the length of the score line 16 is 1 mm, the interval between the adjacent score lines 16 is 3 mm, and five score lines are formed.

  After the spouted packaging bag 1 is filled with the contents through the filling port 8, a filling port sealing region 8a is formed by heat sealing in order to seal the spouted packaging bag 1. A packaging bag (packaged product) filled with the contents was produced.

  When using a filled and packaged product, the uncut region 14b of the opening guide wire 14 is first cut, and the tab 15 is pulled away from the upper sealing region 7, and then the tab 15 is held while holding the tab 15. The process starts from the end region 14g of the opening guide line 14.

  In the case of this embodiment, as shown in FIG. 3A, the tear line 2a formed on one main body film 2 and the tear line 3a formed on the other main body film 3 are different from each other, and the spout 10 is formed. During the tearing, they were not aligned with each other (“staggered tear”), and the space between the tear lines 2 a and 3 a was increased to about 9 mm in the vertical direction of the packaging bag 1. Nevertheless, both tear lines 2a, 3a extend across one side edge sealing area 5a by reaching one of the cut lines 16, 16 and are therefore poured. The leading end portion 10a of the mouth 10 could be completely removed.

  In addition, as shown in FIG. 3 (b), one main body film 2 is about 9 mm longer than the other main body film 3 in the end region of the side edge sealing region 5 a of the opening region 17. However, when the spout 10 is inserted into the spout of the empty main container and the powder detergent is transferred, all of the powder detergent filled in the packaging bag 1 with spout is removed. It was possible to transfer to the main container without leaking outside the container.

  The present invention can be used for product storage and packaging in various industrial fields, for example, preferably for refilling (such as powders or liquids, in particular detergents or softeners etc.) It can be used as a packaging bag with a spout for storing things.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Packaging bag with spout 1a Upper side 1b Lower side 1c Corner part 2, 3 Main body film 5a One side edge sealing area 7 Upper sealing area 10 Spout 11 Flow path 12 Tube 14 Opening guide wire 14e Opening Guide line angled region 14f Opening guide line curved region 14g Opening guide line end region 16 Cut line

The front view which shows embodiment of the packaging bag with a spout of this invention. FIG. 2 is a longitudinal sectional view taken along line AA in FIG. The partial expanded front view which shows the area | region around the spout of the packaging bag with a spout of this invention. FIG. 2 is a partially enlarged perspective view of a state example in which a split tear occurs in the middle of opening the packaging bag with spout shown in FIG. 1. The partial expansion perspective view which shows the example of a state by which the pouring spout was completely opened after the state (a).

Claims (3)

  1.   A packaging bag with a spout, wherein the flow path in the spout established at the top of the packaging bag is partitioned by a sealing region made by sealing two films, A tube is attached to the inside of the flow path of the spout, and an opening guide line that leads the opening in a direction crossing the flow path of the spout is formed in one of the side sealing regions of the spout. And the sealing region on the other side opposite the side of the spout penetrates the sealing region of the two films and is aligned with the end region of the opening guide line A spouted packaging bag having a plurality of score lines.
  2.   The spout is formed in a corner region of the packaging bag, the flow path of the spout is angled toward the top of the packaging bag, and the opening guide line is the package Starting from the upper side of the packaging bag, the opening guide line extends at an upward angle along the flow path and then changes direction within a curved region, and the end region of the opening guide line is the packaging The packaging bag with a spout according to claim 1, which extends parallel to the lower side of the packaging bag toward the outside of the bag.
  3.   The packaging bag with a spout according to claim 1 or 2, wherein the cut line is cut by a Thomson blade.
JP2008551937A 2006-01-27 2007-01-25 Packaging bag with spout Pending JP2009524557A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US76275806P true 2006-01-27 2006-01-27
PCT/IB2007/050265 WO2007086023A1 (en) 2006-01-27 2007-01-25 Packaging bag with pour spout

Publications (1)

Publication Number Publication Date
JP2009524557A true JP2009524557A (en) 2009-07-02

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ID=38051979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008551937A Pending JP2009524557A (en) 2006-01-27 2007-01-25 Packaging bag with spout

Country Status (4)

Country Link
US (1) US20070177828A1 (en)
EP (1) EP1976770A1 (en)
JP (1) JP2009524557A (en)
WO (1) WO2007086023A1 (en)

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US20070177828A1 (en) 2007-08-02
WO2007086023A1 (en) 2007-08-02

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