WO2005108228A1 - Bec verseur pour conteneur et conteneur avec bec verseur - Google Patents

Bec verseur pour conteneur et conteneur avec bec verseur Download PDF

Info

Publication number
WO2005108228A1
WO2005108228A1 PCT/JP2004/006519 JP2004006519W WO2005108228A1 WO 2005108228 A1 WO2005108228 A1 WO 2005108228A1 JP 2004006519 W JP2004006519 W JP 2004006519W WO 2005108228 A1 WO2005108228 A1 WO 2005108228A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealed
container
spout
thickness
layer
Prior art date
Application number
PCT/JP2004/006519
Other languages
English (en)
Japanese (ja)
Inventor
Shigeto Nishida
Original Assignee
Showa Marutsutsu Co. Ltd.
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 Showa Marutsutsu Co. Ltd. filed Critical Showa Marutsutsu Co. Ltd.
Priority to PCT/JP2004/006519 priority Critical patent/WO2005108228A1/fr
Publication of WO2005108228A1 publication Critical patent/WO2005108228A1/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
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
    • 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
    • B65D2575/00—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
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/583—Opening or contents-removing devices added or incorporated during package manufacture the non-integral spout having an elongate cross-sectional shape, e.g. canoe or boat shaped

Definitions

  • the present invention relates to a container in which a spout for inserting and removing contents is attached to an opening of a container body made of a laminated film, and more particularly, to a container in which a laminated film constituting a container body includes a barrier layer. Things. Background art
  • liquids such as shampoos, and powders such as seasonings
  • high-density material is placed at the opening of the container body made of a laminated film mainly made of plastic, such as a voucher.
  • a thermoplastic such as polyethylene
  • FIG. 14 shows a conventional container spout described in Japanese Patent Application Laid-Open Publication No. 2000-333064.
  • the spout (100) in FIG. 14 is applied with heat by applying the sealant surface of the laminated film to the sealed surface (108a) constituted by the surface of the base (108). It is bonded to the opening of the container body (110) made of a laminated film.
  • a ridge G08b is provided on the sealed surface (108a) of the spout (100 to ensure liquid tightness of the container.
  • the ridge (108b) has a height of about 3 mm and a width of 0.4 to 0.5 mm, for example.
  • the conventional container spout is provided with a ridge (108b) on the surface to be sealed a08a) in order to surely perform heat sealing with the opening of the container body (110).
  • the projections (108b) may damage the laminated film constituting the container body ⁇ ).
  • the laminated film is provided with a barrier layer made of aluminum foil or the like in order to suppress the permeation of oxygen and moisture.
  • a barrier layer made of aluminum foil or the like in order to suppress the permeation of oxygen and moisture.
  • cracks occur in this barrier layer due to damage caused by the ridges (108b). This causes problems such as impaired barrier properties and edge cuts, which lowers the yield rate.
  • the present invention has been made in order to solve the above problems, and it is possible to ensure excellent sealing performance by being strongly heat-sealed at an opening of a container body made of a laminated film.
  • An object of the present invention is to provide a container spout that does not damage the laminated film constituting the container main body at the time of heat sealing or after the heat sealing and impairs the barrier property of the laminated film.
  • the container spout according to the present invention is a thermoplastic plastic, and is provided with an opening at the opening of a bag-shaped container body made of a laminated film having a barrier layer and an innermost sealant layer.
  • an uneven portion is formed on the surface to be sealed so as to be distributed over the entire surface, and the height difference of the uneven portion is made smaller than the thickness of the sealant layer. It is characterized by:
  • the container spout described above by forming an uneven portion on the surface to be sealed so as to be distributed over the entire surface, a high adhesive strength is obtained with respect to the opening of the container main body, thereby providing excellent sealing performance.
  • the uneven portions can reduce or eliminate damage to the barrier layer of the laminated film during or after heat sealing.
  • the barrier properties of the laminated film are not impaired.
  • the uneven portion may be formed by applying a satin finish pattern to the surface to be sealed.
  • the irregularities on the surface to be sealed are formed in a satin pattern, small irregularities will be distributed around the large irregularities, so that air escape during heat sealing will be good.
  • the uneven portion has a plurality of at least one end extending to the end of the sealed surface and having a depth smaller than a thickness of the sealant layer. It may be formed by forming a concave groove.
  • the air can be satisfactorily removed at the time of heat sealing through the concave groove, and the area of the upper surface of the convex portion can be easily controlled, and the setting of the adhesive force can be easily performed.
  • the height difference of the concave-convex portions is smaller than half the thickness of the sealant layer.
  • the present invention also includes a container.
  • the surface to be sealed of the container spout according to the present invention described above is heat-sealed at the opening of the container body made of a laminated film having a barrier layer and an innermost sealant layer. is there.
  • the sealing portion between the spout and the opening of the container body is excellent.
  • the unevenness of the surface to be sealed at the spout reduces or eliminates damage to the barrier layer of the laminated film during heat sealing or after heat sealing. Can be favorably maintained.
  • the barrier layer may be, for example, an aluminum foil layer having a thickness of 7 to 15 / m, a vapor deposition barrier layer having a thickness of 1 m or less, and a plastic coating having a thickness of 10 or less. It consists of one of the barrier layers.
  • the deposition barrier layer is formed by depositing silica, alumina, aluminum, or the like in angstrom units. The thickness of the deposited barrier layer is typically between 600 and 100 Angstroms. Examples of the plastic constituting the coating barrier layer include acrylic copolymer and polyvinyl alcohol.
  • the barrier layer of the laminated film constituting the container body is made to be a thin layer as described above, since the damage caused by the uneven portion of the surface to be sealed of the spout is extremely small or not present. It is possible to make the laminated film thinner.
  • FIG. 1 is a front view of a container spout
  • FIG. 2 is a side view
  • FIG. 3 is a line III-III in FIG.
  • FIG. 4 is a plan view.
  • FIG. 5 is a graph for explaining the shape of the sealed surface of the spout.
  • FIG. 6 and 7 show a step of heat-sealing the spout to the opening of the container body according to the first embodiment.
  • FIG. 6 is a cross-sectional view of a state at the time of heat sealing, and FIG. It is sectional drawing of a state after.
  • Figs. 8 and 9 show the process of heat sealing the conventional container spout to the opening of the container body.
  • Fig. 8 is a cross-sectional view of the state at the time of heat sealing
  • Fig. 9 is a heat seal. It is sectional drawing of a state after.
  • FIGS. 10 and 11 show a second embodiment of the present invention.
  • FIG. 10 is a front view of a container spout
  • FIG. 11 is a side view.
  • FIGS. 12 and 13 show a third embodiment of the present invention.
  • a front view of the container spout, and FIG. 13 is a side view.
  • FIG. 14 is a perspective view of a conventional container spout. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 is a front view of a bouch spout (1) according to the first embodiment
  • FIG. 2 is a side view
  • FIG. 3 is a cross-sectional view taken along the line II-II of FIG. 1
  • FIG. 4 is a plan view.
  • the spout (1) shown in these figures is formed entirely of a thermoplastic body such as high-density polyethylene resin, and is formed from a base (2) and an upper end from the upper end of the base (2). And an extending pouring part (3).
  • the base (2) includes a cylindrical wall (21) and a reinforcing wall (22) that protrudes outward from both left and right portions of the outer surface of the cylindrical wall (21).
  • the reinforcing wall portion (22) has a wedge-shaped horizontal cross section whose thickness decreases as the distance from the cylindrical wall portion (21) increases. Therefore, the outer surface of the base (2) has a canoe-shaped contour shape, and this surface constitutes a sealed surface (2a) to be heat-sealed to the opening of the container body (110) made of the laminated film.
  • the pouring section (3) has a cylindrical shape, and the inside thereof communicates with the inside of the cylindrical wall section (21) of the base section (2).
  • the inside of the pouring section (3) and the inside of the cylindrical wall section (21) forms a conduction path (4) through which the liquid or powder as the contents of the container flows.
  • a male screw part (31) into which a screw cap (not shown) is screwed is formed at the upper part of the outer peripheral surface of the pouring part (3).
  • first elliptical portion (5) having an elliptical shape slightly longer to the left and right as viewed from the plane is formed.
  • portions other than the left and right ends are integrated with the lower surface of the first flange portion (5).
  • the first flange portion (5) serves as a positioning reference for the laminated film to be heat-sealed to the surface to be sealed (2a) of the base portion (2).
  • a second flange portion (6) having substantially the same shape and the same size as the first flange portion (5) is formed at an intermediate height of the outer peripheral surface of the pouring portion (3).
  • An annular convex portion (3) is provided at the portion between the first flange portion (5) and the second flange portion (6) on the outer peripheral surface of the pouring portion (3) and at a portion slightly above the second flange portion (6).
  • 7) (8) is formed.
  • the concavo-convex portion (9) is formed by applying a satin pattern to the surface to be sealed (2a).
  • FIG. 5 shows the shape of the uneven portion (9) formed on the surface to be sealed (2a).
  • the horizontal axis in FIG. 5 indicates the length, and its .1 scale is 0.5 mm.
  • the vertical axis in FIG. 5 indicates the height, and one scale is 10 m.
  • the satin pattern is formed, for example, so that the height of the convex portion is about 18 m at the maximum.
  • the height difference of the uneven portion (9) is about 18 m.
  • FIG. 6 conceptually shows a state in which the spout (1) of the above embodiment is heat-sealed to the opening of the container body (110).
  • Reference numeral (105) indicates a convex portion among the concave and convex portions formed on the surface to be sealed (2a) of the base portion (2).
  • the laminated film (130) composing the container body (110) is, for example, a linear low-density 40 m thick composing the sealant layer from the side closer to the base (2) of the spout (1). It is composed of a polyethylene layer (131), an aluminum foil layer (132) with a thickness of 7 m serving as a barrier layer, and a polyethylene terephthalate layer (133) with a thickness of 12 m serving as a protective layer.
  • a nylon layer is interposed between the linear low-density polyethylene layer (131) and the aluminum foil layer (132).
  • the thickness of the linear low-density polyethylene layer (131) constituting the sealant layer is preferably from 40 m to 180 m.
  • a laminated film (130) constituting the container body (110) is placed with the linear low-density polyethylene layer ⁇ 31) inside.
  • a seal bar (not shown) heated to about 165 is attached to the surface to be sealed (2a) of the base (2) and the laminated film (130) superimposed on the film (130). 130)
  • a seal bar heated to about 165 is attached to the surface to be sealed (2a) of the base (2) and the laminated film (130) superimposed on the film (130). 130)
  • This melts the innermost linear low-density polyethylene layer (131) of the laminated film (130), and seals the surface (2a) of the spout (1) made of high-density polyethylene with a higher melting point.
  • the uneven surface (9) having a height difference smaller than the thickness of the sealant layer (131) is formed on the entire surface to be sealed (2a), the aluminum of the laminated film (130) is formed. causes little or no damage to the foil layer.
  • the sealed surface (2a) of the spout (1) is heat-sealed at the opening of the container body (110) made of the laminated film (130).
  • FIG. 8 conceptually shows a state in which the conventional spout (100) is heat-sealed into the opening of the container body (110) (see FIG. 14).
  • a protrusion (108b) is formed on the surface of the base (108), that is, on the surface to be sealed (108a).
  • the ridge (108b) has a height of about 0.3 mm and a width of 0.4 to 0.5 mm.
  • heat sealing is performed by pressing a seal bar heated to about 165 ° C against the surface to be sealed (108a) of the base (108) and the laminated film (130) superposed thereon.
  • the innermost linear low-density polyethylene layer (131) of the laminated film (130) melts, and the ridges (108b) formed on the sealed surface (108a) of the spout (100) are removed.
  • the molten surface (108a) is integrated with the linear low-density polyethylene layer (131) of the laminated film (130).
  • the ridge (108b) formed on the surface to be sealed (108a) has a height much larger than the thickness of the linear low-density polyethylene layer (131).
  • the aluminum foil layer (132) of the film (130) is damaged.
  • the surface to be sealed (108a) of the base 08) of the spout (100) is heat-sealed to the opening of the container body (110) composed of the laminated film (130).
  • the surface to be sealed (108a) after heat sealing has large irregularities, and the tip of the ridge (108b) and the aluminum
  • the linear low-density polyethylene layer (131) is not interposed at all between the two-layer foil layer (132) or the thickness thereof is extremely small.
  • the barrier layer (132) of the film (130) is easily damaged.
  • the unevenness of the surface to be sealed (2a) after the heat sealing is small, and therefore, there is no direct contact between the tip of the projection (105) and the aluminum foil layer (132). Since the thickness of the chain low-density polyethylene layer (131) is sufficiently large, damage to the aluminum foil layer (132) is reduced.
  • the height difference of the uneven portion (9) of the surface to be sealed (2a) before the heat seal is smaller than 20 m. Preferably, it is smaller than one half of the thickness of the sealant layer (131).
  • the uneven surface (9) is formed by applying a satin pattern to the surface of the base (2) of the spout (1), that is, the surface to be sealed (2a).
  • the concave and convex portions (9) may be formed on the surface to be sealed (2a) by forming a plurality of concave grooves (50).
  • the concave groove (50) is formed so that at least one end thereof extends to the end of the surface to be sealed (2a).
  • the concave groove (50) is formed so as to extend in the left-right direction orthogonal to the axial direction of the cylindrical wall (21) of the base (2).
  • the depth of the concave groove (50) is It is preferable that the thickness is less than 40 m, which is the thickness of 131), and it is more preferable that the thickness is less than 20 m, which is half the thickness of the sealant layer (131).
  • the width of the groove (50) and the number of grooves per unit length are appropriately set according to the specifications of the product in relation to the material of the sealant layer (131) and the adhesive strength. If the depth of (50) is 15 zm, the width is 30 m and the number per unit length is 10 lines / cm.
  • the concave groove (50) is formed so as to extend in the left-right direction orthogonal to the axial direction of the cylindrical wall portion (21) of the base (2), as shown in FIG. 12 and FIG.
  • the concave groove (60) is at an angle of 45 degrees with the axial direction of the cylindrical wall (21).
  • the uneven portion (9) may be formed on the surface of the base portion (2), that is, on the surface to be sealed (2a).
  • the concave groove (60) is formed so that at least one end extends to the end of the surface to be sealed (2a). Assuming that the laminated film (130) shown in FIGS.
  • the depth of the groove (60) is preferably smaller than 40 m which is the thickness of the sealant layer (131). It is preferable to be shallower than 20 m, which is one half of the thickness of (131). As a result, the same effects as in the second embodiment can be obtained.

Landscapes

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

Abstract

Un bec verseur pour conteneur est réalisé en plastique thermodurcissable et possède une surface devant être scellée au niveau de l'ouverture d'un corps conteneur en forme de sac fait en pellicule stratifiée comportant une couche barrière et une couche de matériau d'étanchéité totalement à l'intérieur. Une section de saillie et renfoncement est formée et répartie sur la surface entière de la surface à sceller, et les différences de hauteur dans la section saillie et renfoncement sont configurées de manière à ce qu'elles soient plus petites que l'épaisseur de la couche de matériau d'étanchéité. Ce bec verseur permet d'obtenir une forte adhérence à l'ouverture du corps de conteneur, ce qui garantit une excellente capacité de scellage et permet de réduire, voire d'éliminer, les détériorations de la couche barrière de la pellicule stratifiée pendant ou après le thermoscellage pour que les propriétés barrière de la pellicule stratifiée ne soient pas diminuées.
PCT/JP2004/006519 2004-05-07 2004-05-07 Bec verseur pour conteneur et conteneur avec bec verseur WO2005108228A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2004/006519 WO2005108228A1 (fr) 2004-05-07 2004-05-07 Bec verseur pour conteneur et conteneur avec bec verseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2004/006519 WO2005108228A1 (fr) 2004-05-07 2004-05-07 Bec verseur pour conteneur et conteneur avec bec verseur

Publications (1)

Publication Number Publication Date
WO2005108228A1 true WO2005108228A1 (fr) 2005-11-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2004/006519 WO2005108228A1 (fr) 2004-05-07 2004-05-07 Bec verseur pour conteneur et conteneur avec bec verseur

Country Status (1)

Country Link
WO (1) WO2005108228A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2470234A (en) * 2009-05-14 2010-11-17 Coda Plastics Ltd Pouch connector
DE202011001356U1 (de) * 2011-01-11 2012-04-12 Pöppelmann Holding GmbH & Co. KG Ausgießer und Behältnis mit einem solchen
GB2514992A (en) * 2013-03-13 2014-12-17 Adam Llywellyn Green Connected spouts of containers and related methods
WO2015062806A1 (fr) * 2013-10-29 2015-05-07 Cavonic GmbH Bec verseur en matière plastique pour emballages en sachets à fond plat, emballage en sachet à fond plat, ainsi que procédé de fabrication
US9624005B2 (en) 2014-07-16 2017-04-18 Dow Global Technologies Llc Flexible container with fitment and process for producing same
JP2017171344A (ja) * 2016-03-23 2017-09-28 大日本印刷株式会社 注出口、液体収納容器および液体収納容器と外装容器との組合体
JP2017171343A (ja) * 2016-03-23 2017-09-28 大日本印刷株式会社 注出口、液体収納容器、および液体収納容器と外装容器との組合体
US10486880B2 (en) 2015-09-30 2019-11-26 Dow Global Technologies, Llc Fitment with ethylene/α-olefin multi-block copolymer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH021150U (fr) * 1988-06-10 1990-01-08
JPH04128878U (ja) * 1991-04-04 1992-11-25 丸二化成株式会社 フアイル
JP2000511502A (ja) * 1997-04-07 2000-09-05 ゲオルク メンシェン ゲゼルシャフト ミト ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト プラスチック製溶着吐出口取付具
JP2002096846A (ja) * 2000-08-21 2002-04-02 Illinois Tool Works Inc <Itw> スパウト組立体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH021150U (fr) * 1988-06-10 1990-01-08
JPH04128878U (ja) * 1991-04-04 1992-11-25 丸二化成株式会社 フアイル
JP2000511502A (ja) * 1997-04-07 2000-09-05 ゲオルク メンシェン ゲゼルシャフト ミト ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト プラスチック製溶着吐出口取付具
JP2002096846A (ja) * 2000-08-21 2002-04-02 Illinois Tool Works Inc <Itw> スパウト組立体

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2470234A (en) * 2009-05-14 2010-11-17 Coda Plastics Ltd Pouch connector
DE202011001356U1 (de) * 2011-01-11 2012-04-12 Pöppelmann Holding GmbH & Co. KG Ausgießer und Behältnis mit einem solchen
EP2663512A1 (fr) 2011-01-11 2013-11-20 Pöppelmann Holding GmbH & Co. KG. Bec verseur et récipient muni d'un tel bec
US9132944B2 (en) 2011-01-11 2015-09-15 Pöppelmann Holding GmbH & Co. KG Spout and container having such a spout
GB2514992A (en) * 2013-03-13 2014-12-17 Adam Llywellyn Green Connected spouts of containers and related methods
GB2514992B (en) * 2013-03-13 2016-11-02 Llywellyn Green Adam Connected spouts of containers and related methods
WO2015062806A1 (fr) * 2013-10-29 2015-05-07 Cavonic GmbH Bec verseur en matière plastique pour emballages en sachets à fond plat, emballage en sachet à fond plat, ainsi que procédé de fabrication
US9624005B2 (en) 2014-07-16 2017-04-18 Dow Global Technologies Llc Flexible container with fitment and process for producing same
US10494150B2 (en) 2014-07-16 2019-12-03 Dow Global Technologies Llc Flexible container with fitment and process for producing same
US10486880B2 (en) 2015-09-30 2019-11-26 Dow Global Technologies, Llc Fitment with ethylene/α-olefin multi-block copolymer
JP2017171344A (ja) * 2016-03-23 2017-09-28 大日本印刷株式会社 注出口、液体収納容器および液体収納容器と外装容器との組合体
JP2017171343A (ja) * 2016-03-23 2017-09-28 大日本印刷株式会社 注出口、液体収納容器、および液体収納容器と外装容器との組合体

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