WO2007086023A1 - Sac d’emballage dote d’un bec verseur - Google Patents

Sac d’emballage dote d’un bec verseur Download PDF

Info

Publication number
WO2007086023A1
WO2007086023A1 PCT/IB2007/050265 IB2007050265W WO2007086023A1 WO 2007086023 A1 WO2007086023 A1 WO 2007086023A1 IB 2007050265 W IB2007050265 W IB 2007050265W WO 2007086023 A1 WO2007086023 A1 WO 2007086023A1
Authority
WO
WIPO (PCT)
Prior art keywords
pour spout
region
packaging bag
flow path
guide line
Prior art date
Application number
PCT/IB2007/050265
Other languages
English (en)
Inventor
Yasuharu Takada
Toshihiko Mori
Shizuka Fujita
Original Assignee
The Procter & Gamble Company
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 The Procter & Gamble Company filed Critical The Procter & Gamble Company
Priority to EP07705709A priority Critical patent/EP1976770A1/fr
Priority to JP2008551937A priority patent/JP2009524557A/ja
Publication of WO2007086023A1 publication Critical patent/WO2007086023A1/fr

Links

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
    • 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
    • B65D75/5816—Opening 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
    • B65D75/5822—Opening 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

Definitions

  • the present invention relates to a packaging bag with pour spout which has a tube attached in the pour spout.
  • packaging bags In order to enable simple opening by tearing open the packaging bag by hand without using tools such as scissors, packaging bags are commonly known which have a notch or cut into the side of the pour spout to form a starting point for a cut line, or a half cut groove or the like which is formed beforehand across the flow path.
  • a pour spout formed in the upper corner region is enclosed by a thermal adhesive region, a notch is formed on the side of the thermal adhesive region, and a tear stopper formed from a punch hole or a round incision is formed at the end of the expected tear line which extends in the lateral direction from the notch.
  • a tube is attached inside of the pour spout in order to mutually separate the front and back films.
  • the pour spout is bulged along the outer shape of the tube.
  • the tearing line for the opening starting at the notch may be curved by the bulge along the tube and sufficiently controlling the direction of the tearing line is difficult.
  • the tear lines on the front and back of the packaging bag are staggered so as to not be in a mutually overlapping condition (condition shown in Fig. 3 (a). So-called “staggered tearing"), the tearing force will be dispersed and the force for tearing the opening region will stop when the seal region of the end region side of the tear line is reached, and tearing of the seal region may be difficult.
  • the region to the leading edge side of the opening region of the pour spout is left remaining, this region will contact with the mouth of the bottle during refilling so the opening region of the pour spout will be made narrow and be impeded, so the region on the leading end side of the opening region is preferably completely removed. Furthermore, if this region cannot be removed while the leading end region of the pour spout is remaining as described above, stopgap measures are usually taken, such as leaving the leading edge region hanging down from the opening region, or bending the leading edge region over to the outside so that the surface is overlapping onto the back surface film.
  • an object of the present invention is to provide a packaging bag with pour spout which has a tube attached in the pour spout, and to enable simple opening of the pour spout and positively prevent inadvertent tearing.
  • the present invention provides a packaging bag with pour spout wherein a flow path in the pour spout established in the top of a packaging bag is partitioned off by sealed regions made by sealing two films, a tube is attached inside of the flow path of the pour spout, and opening guide line which guides opening in a direction which intersects with the flow path of the pour spout is formed in one of the side seal regions of the pour spout, and the seal region on the other side which is opposite to the side of the pour spout has a plurality of cut lines which pass through the seal region of the two films and are positioned in line in relation to the ending region of the opening guide line.
  • the pour spout is formed in the corner region of the packaging bag, the flow path of the pour spout angles toward the top of the packaging bag, the opening guide line begins from the top side of the packaging bag, the opening guide line extends at an upward angle along the flow path, then changes direction in a curved region, and the ending region of the opening guide line extends parallel to the bottom side of the packaging bag toward the outside of the packaging bag.
  • the cut lines are preferably cut by a Thomson blade.
  • a plurality of cut lines formed in a line pass through the seal region of the side where the opening guide line is formed as well as on the opposite side, so even if "staggered tearing" occurs on the tearing line which is formed with the opening guide line as a starting point, the various tearing lines will be able to reach any one of the plurality of cut lines in the ending region side of the opening region. Furthermore, the cut lines pass through both of the films in the seal region, so both films can easily be separated between the cut line where the tearing line on one film side has reached and the cut line where the tearing line on the other side of film has reached.
  • the seal region on the ending side of the tearing line can easily be torn, and the region on the leading end side of the pour spout opening region can positively be removed.
  • the time required for opening can also be shortened.
  • the opening region can be widely opened by completely removing the leading edge region of the pour spout, so refilling productivity can be dramatically improved.
  • the packaging bag with pour spout 1 of this embodiment is a standing pouch comprising two main body films 2, 3 which have the same flat pattern, and a bottom film 4 which is folded in half with folding line 4a as the centerline.
  • the bottom film 4 is folded over so that the folding line 4a is facing inward, and is placed between the bottom parts of the pair of main body films 2, 3.
  • Side edge seal regions 5a, 5b are formed on both side edges of the packaging bag 1. In the part of the side edge seal regions 5a, 5b above the bottom film 4, both of the side edge regions of the main body films 2, 3 are heat sealed together, and in the lower area where the bottom film 4 is positioned between the main body films 2, 3, both of the side edge regions of the main body films 2, 3 are heat sealed to both of the side edges of the bottom film 4.
  • bottom seal region 6 is formed in the bottom region of the packaging bag 1 by heat sealing the bottom edge regions of mutually opposing surfaces of the main body films 2, 3 and the bottom film 4.
  • a cutaway may be formed from a punch hole or the like in a part of the bottom film 4 such that one main body film 2 is directly heat sealed to the other main body film 3 through this cutaway.
  • the film which is used for the main body films 2, 3 and the bottom film 4 may be a conventionally used material such as a laminate structure wherein a base film made from biaxially elongated polypropylene, biaxially elongating polyamide, or biaxially elongated polyester or the like is laminated by a sealant layer made from a polyolefin resin such as low density polyethylene, straight chain low density polyethylene, ethylene vinyl acetate copolymer, or polypropylene or the like.
  • a polyolefin resin such as low density polyethylene, straight chain low density polyethylene, ethylene vinyl acetate copolymer, or polypropylene or the like.
  • multiple layers of base film may be laminated in order to increase the strength of the packaging bag.
  • metallic foil such as aluminum foil, an inorganic vapor deposition layer such as ceramic, or an ethylene- vinyl alcohol copolymer film or the like may also be laminated.
  • metallic foil such as aluminum foil, an inorganic vapor deposition layer such as ceramic, or an ethylene- vinyl alcohol copolymer film or the like may also be laminated.
  • an easily tearing nylon film obtained by elongating a resin film into which an aromatic nylon such as 6 nylon or MXD6 has been blended is used in order to increase the ease of tearing in the a horizontal direction of the packaging bag, easily tearing properties can be obtained, and this is preferable.
  • Fig. 1 (a) a pour spout 10 is established in the top of the packaging bag 1.
  • the pour spout 10 is established in the corner Ic between the top side Ia of the packaging bag 1 and one side edge seal region 5a (left side in Fig. 1 (a)).
  • the main body films 2, 3 are heat sealed together by a top seal region 7 which extends from one side edge seal region 5 a.
  • the region between the top seal region 7 and the other side edge seal region 5b is left open as a filling port 8, and the content can be filled into the packaging bag 1 through the filling port 8.
  • the main body films 2, 3 are heat sealed together along the edge of the filling port 8, and the filling port 8 is sealed shut by forming a filling port seal region 8a along the top side Ia of the packaging bag 1 (Refer to Fig. 3).
  • the unsealed region between both seal regions 5a, 7 forms the flow path 11 for the pour spout 10.
  • the flow path 11 is partitioned off by one side edge seal region 5a and the top seal region 7.
  • the flow path 11 extends in an upward angled direction (left upward direction in Fig. 1 (a)) of the packaging bag 1 from the inside region of the packaging bag 1 toward the corner Ic.
  • a tube 12 is attached between the main body films 2, 3 in the flow path 11 of the pour spout 10.
  • the tube may be formed from a material which is a synthetic resin such as polyethylene, polypropylene, polyamide, polyester, polystyrene, or polycarbonate or the like, but polyolefin resins such as polyethylene or polypropylene are preferable in order to thermally adhere by heat sealing to the sealant layer on the inside surface of the main body films 2, 3.
  • the main body films 2, 3 have an expanded region 13 which swells out in the area around the tube 12.
  • This expanded region 13 is preferably formed beforehand (prior to inserting the tubel2) in the main body films 2, 3 by vacuum forming or compressed air forming during the process of manufacturing the packaging bag 1.
  • an opening guide line 14 which guides the opening in a direction which intersects with the flow path 11 of the pour spout 10 is formed in the top seal region 7.
  • the starting region 14a of the opening guide line 14 which is formed in the top seal region 7 is established in the top side Ia of the packaging bag 1, and the starting region 14a preferably has a cutaway or V shape notch, and the angle with the top side is preferably rounded.
  • the opening guide line 14 has a vertical region 14c which extends perpendicular to the top side Ia from the starting region 14a, changes direction at a bend region 14d at the bottom of the vertical region 14c, has a angle region 14e which extends at an upward angle along the flow path, again changes direction from the angled region 14e at a curved region 14f, and has an end region 14g which extends parallel to the bottom side Ib of the packaging bag 1 toward the outside of the packaging bag 1.
  • the region from the vertical region 14c along the angled region 14e to the end region 14g has cuts (penetrating marks) which pass through the two sheets of main body films 2, 3 made using a Thompson blade for instance. Furthermore, both sides of the vertical region 14c are connected by a remaining uncut region 14b between the vertical region 14c and the starting region 14a. A cutaway in the starting region 14a and the penetrating marks of the vertical region 14c and the like are preferably formed simultaneously in order to prevent shifting positions with regards to each other.
  • the width of the uncut region 14b is dependent on the material of the main body films 2, 3, but for instance is between approximately 0.5 and 1.5 mm. Incidentally, uncut regions 14b may be formed in a plurality of locations along the opening guide line 14 if necessary.
  • the whole opening guide line 14 from the starting point 14a to the end region 14g is formed in the top seal region 7 and is not extended to the unsealed region which forms the flow path 11 of the pour spout 10, so the strength of the main body films 2, 3 which cover the pour spout 10 will not be weakened, and tearing of the main body films 2, 3 can be suppressed. Furthermore, by tearing the uncut region 14b, the region 15 enclosed by the vertical region 14c and the angle region 14e may be pulled out from the top seal region 7 and can be used as a holding tab when opening the packaging bag. By using this tab 15, the tearing force of the hand can be sufficiently transferred to the main body films 2, 3 when starting to tear the pour spout 10 from the end region 14g.
  • a plurality of cut lines 16 which pass through the two main body films 2, 3 are established in a line in the direction along the flow path 11 at a location corresponding to the ending region 14g of the opening guide line 14, transacting the flow path 11 of the pour spout 10 in one side edge seal region 5 a.
  • cut lines 16 are I shaped notches which extend in the same direction as the ending region 14g (parallel to the bottom side Ib of the packaging bag 1 in this embodiment), and a tear line which is started by tearing from the ending region 14g is easily connected with the cut lines 16.
  • These cut lines 16, 16, can be formed using a tool such as a Thomson blade.
  • the length of the cut lines 16 is for instance between 0.5 and 2 mm.
  • the interval between adjacent cut lines 16 is for instance between 2 and 4 mm.
  • the number of cut lines 16 is two or more, but having three or more cut lines is more preferable.
  • the packaging bag 1 of the present embodiment When the packaging bag 1 of the present embodiment is to be opened, first the uncut region 14b is cut and a tab 15 enclosed by the vertical region 14c and the angled region 14e is formed in the top seal region 7, and this tab 15 is grasped and tearing is started from the ending region 14g of the opening guide line 14.
  • Fig. 3 (a) even if the tear line 2a formed in one main body film 2 and the tear line 3a formed in the other main body film 3 become shifted and are not mutually aligned partway through tearing the pour spout 10 ("staggered tearing"), each of the tear lines 2a, 3a will be able to reach one of the plurality of cut lines 16, 16, which are formed in the seal region 5a of the opening region 17.
  • Each of the cut lines 16, 16, extend in the same direction as the ending region 14g of the opening guide line 14, so both of the tear lines 2a, 3a can be extended by continuing to apply the tearing force by hand.
  • the cut lines 16 pass through the two films 2, 3 so the region between both films 2, 3 can easily be separated between the cut line 16 which is in contact with the tear line 2a of one main body film 2 and the cut line 16 which is in contact with the tear line 3a of the other main body film. Therefore, the seal region 5a at the ending side of the tear lines 2a, 3a can easily be torn, and as shown in Fig. 3 (b), the leading end 10a of the pour spout 10 can positively be removed.
  • the leading end 10a of the pour spout 10 can easily and positively be removed by tearing by hand, so the opening region 17 can be inserted into the pour spout of the main container (not shown in the drawings) without interference, and the contents can efficiently be transferred from the packaging bag 1 to the main container.
  • the present invention was described above based on a preferred embodiment, but the present invention is not to restricted to the aforementioned embodiment, and various modifications are possible so long as the essence of the present invention is not violated.
  • the location where the pour spout is established in the present invention is not restricted to the corner of the packaging bag, and can also be established in the center region of the top side of the packaging bag.
  • the pour spout may have a shape where the leading end protrudes from the top side of the packaging bag.
  • a packaging bag 1 with pour spout of the form shown in Fig. 1 was manufactured by the following procedures.
  • a three layer film made from a laminate material (biaxially elongated polyethylene terephthalate film / easily tearing nylon film obtained by elongating a mixed resin film of 6 nylon and MDX 6 nylon / straight chain low density polyethylene layer (sealant layer)) was used for the main body films 2, 3, and a two layer film made from a laminate material (biaxially elongated nylon / straight chain low density polyethylene layer (sealant layer)) was used for the bottom film 4.
  • an expanded region 13 was formed in a predetermined location of the main body films 2, 3 using compressed air forming or vacuum forming, and a cylindrical tube 12 was inserted into this expanded region 13 and was bonded by heat sealing.
  • the main body films 2, 3 were positioned so that the sealant layers were facing each other, and the bottom film 4, which had been folded in half so that the sealant layer forms the outside surface, was inserted between the main body films 2, 3.
  • the main body films 2, 3 were heat sealed to the bottom film 4 to form a bottom heat seal region 6, and the side edge seal regions 5a, 5b and the top seal region 7 were formed so as to partition off the flow path 11 in one of the top corner regions Ic of the packaging bag 1.
  • the opening guide line 14 was formed in the top seal region 7 and a plurality of cut lines 16, 16, were formed in one side edge seal region 5a by punching with a Thomson blade, in order to complete the packaging bag 1 with pour spout.
  • the length of the cut lines 16 was 1 mm, the interval between adjacent cut lines 16 was 3 mm, and five cut lines were formed.
  • a fill port seal region 8a was formed by heat sealing in order to seal of the packaging bag 1 with pour spout, to make a packaging bag filled with content (packaged product).
  • the uncut region 14b of the opening guide line 14 is first cut and tab 15 is pulled out from the top seal region 7, and then holding this tab 15, tearing is started from the end region 14g of the opening guide line 14.
  • both tear lines 2a, 3a extended to transect one side edge seal region 5a by reaching any one of the cut lines 16, 16, and therefore the leading end 10a of the pour spout 10 could be completely removed.
  • the present invention can be used for storing and packaging products in a variety of industrial fields, and for instance is preferably used as a packaging bag with pour spout for storing contents for refilling (such as powders or liquids, and specifically detergent or fabric softener or the like).
  • Fig. 1 (a) is a front view showing an embodiment of the packaging bag with pour spout of the present invention, and (b)is a longitudinal cross section view along line A - A in Fig. 1 (a);
  • Fig. 2 is a partial enlarged front view showing the area around the pour spout of the packaging bag with pour spout of the present invention.
  • Fig. 3 (a) is a partial enlarged perspective view of an example of a condition where staggered tearing has occurred part way through opening of the packaging bag with pour spout shown in
  • Fig. 1, and (b) is a partial enlarged perspective view showing an example of the condition where the pour spout was completely opened after the condition of (a).

Landscapes

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

Abstract

La présente invention consiste à faciliter l’ouverture d’un bec verseur et à empêcher de façon positive la déchirure accidentelle d’un sac d’emballage doté d’un bec verseur dans lequel est fixé un tube. L’invention porte sur un sac d’emballage (1) doté un bec verseur (10) dans lequel un trajet d’écoulement (11) établi sur le dessus du sac d’emballage (1) est séparé par des zones étanches (5a, 7) obtenues en scellant deux films (2, 3). Un tube (12) est fixé à l’intérieur du trajet d’écoulement (11) du bec verseur (10) ; une ligne de guidage d’ouverture (14), qui guide l’ouverture selon une direction coupant le trajet d’écoulement (11) du bec verseur (10), est formée sur l’une des zones étanches (7) latérales du bec verseur (10) ; et la zone étanche (5a) présente de l’autre côté, opposé au côté du bec verseur (10), possède une pluralité de lignes de coupe (16, 16) qui traversent la région étanche (5a) des deux films (2, 3) et qui sont disposées en ligne par rapport à la zone terminale (14g) de la ligne de guidage d’ouverture (14).
PCT/IB2007/050265 2006-01-27 2007-01-25 Sac d’emballage dote d’un bec verseur WO2007086023A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07705709A EP1976770A1 (fr) 2006-01-27 2007-01-25 Sac d emballage dote d un bec verseur
JP2008551937A JP2009524557A (ja) 2006-01-27 2007-01-25 注ぎ口付きパッケージングバッグ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US76275806P 2006-01-27 2006-01-27
US60/762,758 2006-01-27

Publications (1)

Publication Number Publication Date
WO2007086023A1 true WO2007086023A1 (fr) 2007-08-02

Family

ID=38051979

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/050265 WO2007086023A1 (fr) 2006-01-27 2007-01-25 Sac d’emballage dote d’un bec verseur

Country Status (4)

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

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WO2007089622A2 (fr) * 2006-01-27 2007-08-09 The Procter & Gamble Company Poche destinée au stockage de granules
JP5148510B2 (ja) * 2006-01-27 2013-02-20 藤森工業株式会社 注ぎ口付き包装袋
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WO2011037717A1 (fr) * 2009-09-25 2011-03-31 The Procter & Gamble Company Emballage refermable
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JP5907702B2 (ja) * 2011-11-18 2016-04-26 藤森工業株式会社 注出口付き包装袋
JP5971582B2 (ja) * 2012-02-29 2016-08-17 株式会社吉野工業所 チューブ容器
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USD734165S1 (en) 2013-03-14 2015-07-14 Hollister, Inc. Catheter package
USD746152S1 (en) 2014-06-04 2015-12-29 Hollister Incorporated Catheter package
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JP6565135B2 (ja) * 2014-06-13 2019-08-28 東洋製罐株式会社 蒸気抜きシール付きパウチ
JP6476424B2 (ja) * 2016-11-07 2019-03-06 東洋製罐株式会社 スパウト付きパウチ
EP3548397B8 (fr) 2016-12-05 2024-02-14 Handipak Holdings Ltd Poche à boisson
IL276749B2 (en) * 2018-02-26 2024-08-01 Handipak Holdings Ltd Beverage pouch
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USD896634S1 (en) 2019-01-29 2020-09-22 Golden State Foods Corp. Container
JP6924414B2 (ja) * 2019-02-15 2021-08-25 大日本印刷株式会社 パウチ

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Publication number Priority date Publication date Assignee Title
EP0658488A1 (fr) * 1993-12-16 1995-06-21 SOCOPLAN Société Anonyme Sachet souple à ligne d'ouverture intégrée, et son procédé de fabrication
US6667081B1 (en) * 1998-06-19 2003-12-23 Dai Nippon Printing Co., Ltd. Pouch and method of producing film for pouch
WO2004063051A1 (fr) * 2003-01-13 2004-07-29 Ica Spa Sac souple dote d'une paille interieure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008118055A1 (fr) * 2007-03-28 2008-10-02 Ecolean Research & Development A/S Récipient et procédé de fabrication associé

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Publication number Publication date
JP2009524557A (ja) 2009-07-02
US20070177828A1 (en) 2007-08-02
EP1976770A1 (fr) 2008-10-08

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