WO2011062233A1 - Sachet d'emballage à ouverture facile - Google Patents

Sachet d'emballage à ouverture facile Download PDF

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Publication number
WO2011062233A1
WO2011062233A1 PCT/JP2010/070592 JP2010070592W WO2011062233A1 WO 2011062233 A1 WO2011062233 A1 WO 2011062233A1 JP 2010070592 W JP2010070592 W JP 2010070592W WO 2011062233 A1 WO2011062233 A1 WO 2011062233A1
Authority
WO
WIPO (PCT)
Prior art keywords
easy
opening
embossed
packaging bag
easy open
Prior art date
Application number
PCT/JP2010/070592
Other languages
English (en)
Japanese (ja)
Inventor
神崎敬三
金田洋幸
細川雅史
Original Assignee
東洋製罐株式会社
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 東洋製罐株式会社 filed Critical 東洋製罐株式会社
Publication of WO2011062233A1 publication Critical patent/WO2011062233A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness

Definitions

  • the present invention relates to an easily openable packaging bag in which an easily openable portion is provided in the seal portion, and particularly relates to a bag provided with a plurality of minute cuts in the easily openable portion.
  • the easy-opening portion provided with a plurality of minute cuts has no problem of catching the fingertip, but has a problem that visibility and tactile sensibility are deteriorated and the opening position is difficult to understand.
  • a technique is known in which a pair of embossed portions are provided so as to sandwich the easy-opening portion so that the position of the easy-opening portion can be confirmed by touch (see Patent Document 3).
  • embossing is performed near the minute notch, the fine notch is expanded due to the drawing of the resin material that occurs during embossing, and the unsealing strength decreases excessively. There is a risk that.
  • JP 2002-128097 A JP 2007-022612 A JP-A-7-132944
  • the present invention has been made to solve the above-described problems of the prior art, and the object of the present invention is to provide an incision when an embossed portion is provided in the vicinity of an easy-open portion provided with a plurality of minute incisions.
  • An object of the present invention is to provide an easy-open packaging bag having a structure that is not affected by embossing.
  • the present invention provides an easy-open packaging bag having an easy-open portion provided with a plurality of minute cuts serving as starting points of opening in a seal portion where films are bonded together.
  • An embossed portion is provided in the vicinity of the easy-opening portion of the seal portion, and the shortest distance between the peripheral edge of the embossed portion and the peripheral edge of the processing region of the easy-opening portion is separated by at least the height of the embossed portion.
  • a plurality of embossed parts are provided so as to sandwich the easy-opening part from the direction orthogonal to the tearing direction, 2.
  • the embossed portion is provided on an extended line extending from the edge in the direction orthogonal to the opening direction through the storage portion side edge in the tearing direction of the easy-opening portion; Is preferred.
  • the position of the easy-opening part can be confirmed by tactile sensation by the embossed part provided in the vicinity thereof.
  • the influence on the cut at the time of embossing depends on the pull-in amount of the embossed portion, it is not possible to determine a certain value as to how far it should be.
  • the present invention pays attention to the fact that the pull-in amount depends on the protruding height of the embossed portion, and the embossed portion is separated from the processing region of the easy-open portion by the height of the embossed portion. In this way, regardless of the shape and dimensions of the embossed portion, the influence on the cut can be made as small as possible.
  • the easy-opening portion is sandwiched between the plurality of embossed portions, the position of the easy-opening portion can be confirmed with certainty. Furthermore, if the embossed portion is provided on an extension line extending the side edge on the storage portion side in the opening direction of the processing region of the easy-opening portion, the influence on the easy-opening portion can be further reduced.
  • FIG. 1 shows an easy-open packaging bag according to an embodiment of the present invention.
  • (A) is a front view showing the entire configuration
  • (B) is a partially enlarged view of an easy-open portion
  • (C) is further enlarged.
  • FIG. 4D is a partial cross-sectional view of the embossed portion.
  • 2A to 2F are views showing an embossed portion according to another embodiment of the present invention.
  • FIG. 1 shows an easy-open packaging bag according to an embodiment of the present invention.
  • This easy-open packaging bag 10 is a rectangular flat pouch, and the side seal portions 12 and 12 and the bottom seal portion are heat-welded with a predetermined width to the left and right side portions and the bottom portion where a pair of films are superimposed. 13 is provided.
  • the upper side seal part 14 is formed by heat welding, and the contents storage part 15 is formed by the side seal parts 12, 12, the bottom side seal part 13, and the upper side seal part 14. Sealed.
  • the film constituting the packaging bag may be a single-layer film made of a thermoplastic resin that can be heat-welded, or a laminated film that has a thermoplastic resin as the welding surface, and various materials that can be heat-welded are applicable. .
  • the easy-opening part 2 for opening a bag is provided in the side seal parts 12 and 12 of both right and left sides.
  • the easy-opening portion 2 may be provided only on either the left or right side seal portion 12.
  • the wide portion 121 is wide from the upper end of the side seal portion 12 by a predetermined length, and the easy opening portion 2 is provided in the wide portion 121.
  • the inner edge of the wide part 121 and the inner edge of the narrow part 122 that are boundaries with the storage part 15 are connected via an inclined side 123.
  • the opening direction is a direction orthogonal to the side seal portion 12 and a direction parallel to the upper side seal portion 14.
  • the opening expected line X is drawn with the dashed-dotted line as an opening direction.
  • This planned opening line X is an imaginary line, and there is no processing line such as a perforation in particular, and it is not opened along this line.
  • a weak line or the like may be formed along the planned opening line X.
  • the easy-opening portion 2 has a configuration in which a plurality of fine notches 20a are arranged in the opening direction, and in this embodiment, three notched rows 20 are orthogonal to the opening direction.
  • a plurality of rows are provided in the longitudinal direction of the side seal portion 12 at a predetermined interval, and in this embodiment, five rows are provided.
  • the expected opening line X is drawn in accordance with the center cut row 20, but the opening is started from one of the cut rows 20 and is not limited to the center cut row 20.
  • the incision 20a of the easy-opening portion 2 is not limited to the illustrated example, and there may be only one incision row constituted by a plurality of incisions 20a, or a plurality of incision rows constituted by one incision 20a. A configuration in which rows are provided may be used.
  • the cuts 20a do not need to be arranged regularly in a vertical and horizontal manner as long as the easy-opening portion 2 has a plurality of minute cuts 20a. These cuts 20a may be configured to penetrate the side seal portion 12 or may not penetrate. It is only necessary that the initial fracture portion that becomes the trigger for opening can be formed with fingers. Further, among the cuts 20a, the one closest to the outer edge of the side seal portion 12 preferably reaches the outer edge of the side seal portion 12, but does not reach the outer edge. May be.
  • the side seal portion 12 is provided with an embossed portion 3 in the vicinity of the easy-open portion 2.
  • Two embossed parts 3 are provided so as to sandwich the easy-opening part 2 from the direction orthogonal to the opening direction, that is, from the longitudinal direction of the side seal part 12.
  • the embossed portion 3 is provided at a position separated from the periphery of the processing region W of the easy-open portion 2 by at least the height h of the embossed portion 3. That is, the shortest distance S between the peripheral edge of the embossed portion 3 and the peripheral edge of the processing region W of the easy-open portion 2 is separated by at least the height h of the embossed portion 3.
  • the embossed portion 3 has a hemispherical shell shape as shown in FIG. 1D, and a hemispherical convex portion 31 protrudes on one side of the side seal portion 12, and on the back side of the side seal portion 12.
  • a recessed hemispherical recess 32 corresponding to the hemispherical protrusion 31 is formed.
  • the height h of the embossed portion 3 is the height from the surface of the side seal portion 12 to the top of the hemispherical convex portion 31. If the radius of the protruding hemispherical convex portion 31 is r, in the illustrated example, the height h of the embossed portion 3 is substantially equal to the radius r, but it may be different.
  • the depth d of the hemispherical concave portion 32 is substantially the same as the height h of the hemispherical convex portion 31, and the radius r ′ is smaller than the radius r of the hemispherical convex portion 31 by the thickness of the embossed portion 3.
  • the processing region W of the easy-opening portion 2 includes a line segment that connects end portions in the opening direction of the cut rows 20 so as to surround all the cuts 20a constituting the five cut rows 20, the inner side w1, Assuming that the line segment connecting the cuts 20a of the cut rows 20 positioned at both ends in the opening direction and the orthogonal direction is the end side w2, and the line segment connecting the outer ends of the cut rows 20 is the outer side w3, This is a quadrangular region surrounded by w1, end sides w2, w2 and outer side w3.
  • the outer side w ⁇ b> 3 is an outer side of the side seal part 12.
  • a line connecting a position separated by the height h of the embossed part 3 at the shortest distance from the periphery of the processing area W of the easy-opening part 2 is a virtual limit line Z
  • the virtual limit line Z is the processing area W
  • the two embossed portions 3 and 3 are provided so as to be positioned on an extension line along the inner side w ⁇ b> 1 of the rectangular processing region W of the easy-open portion 2.
  • the centers of the two embossed portions 3 are arranged so as to be located on the extension line, and the shortest distance between the processing region W and the embossed portion 3, in the illustrated example, the corner of the rectangular processing region W and the hemisphere At least the height h of the embossed part 3 is separated from the shortest distance S from the circular base part peripheral edge of the convex part 31.
  • the position of the embossed portion 3 is a region between the extension line of the inner side w1 of the processing region W and the outer side of the side seal portion 12, and at least the virtual limit line Z from the end side w2 of the processing region W.
  • the embossed portions 3 and 3 are provided outside the virtual separation line Z where the shortest distance S between the peripheral edge of the processing region W and the peripheral edge of the embossed portion 3 is separated by at least the protrusion height h of the embossed portion 3. Good.
  • the upper limit of the shortest distance S between the peripheral edge of the processing region W and the peripheral edge of the embossed part 3 is not particularly limited, but as one guideline, two embossed parts 3 and 3 provided with the easy-open part 2 sandwiched between them with a fingertip. It is preferable that the distance is within a range (approximately within 25 mm) so that both can be felt simultaneously when touched. If the lower limit is 0.3 mm, the height of the embossed part 3 can be sufficiently felt by the fingertip, and the upper limit depends on the width of the side seal part 12 but can be stably processed by about 3 mm.
  • the user can confirm the position of the easy-opening portion 2 with the embossed portion 3 even if the easy-opening portion 2 is constituted by a plurality of minute cuts 20 a.
  • the easy opening part 2 can be determined from the position of the embossed part 3, the opening position is easily understood even if the notch 20a of the easy opening part 2 is very small.
  • the embossed portion 3 is separated by at least the height of the embossed portion 3, so The effect of embossing can be minimized.
  • the influence on the cut 20a at the time of embossing depends on the pull-in amount of the embossed portion 3, but it is not possible to determine a certain value of how far away it should be.
  • the present invention pays attention to the fact that the pull-in amount depends on the protruding height of the embossed portion 3, and the embossed portion 3 is separated from the processing region W of the easy-open portion 2 by the height of the embossed portion 3.
  • the embossing most of the material is processed by stretching the protruding portion, the amount of drawing is small, and there is substantially no material flow at a position separated by the height of the embossed portion 3. Therefore, regardless of the shape and dimensions of the embossed portion 3, there is no possibility that the notch 20a will open due to the influence of the drawing of the material during embossing, and the opening strength can be prevented from being lowered.
  • the incision 20a of the easy-opening portion 2 of the packaging bag may be formed in advance into a long film that is made as a pouch, or may be processed at the time of bag making, or after the pouch after bag making. It may be processed.
  • a cutter or a grindstone
  • the embossing is performed by embossing the film with a mold having a pair of concavities and convexities, and is processed after the easy opening portion is cut or formed simultaneously with the cutting of the easy opening portion.
  • FIG. 2B shows a bead shape in which the embossed portion 203 is linearly projected with a predetermined width. Both ends in the longitudinal direction of the embossed portion 203 are rounded in an arc shape. Also in this example, the shortest distance between the peripheral edge of the embossed portion 203 and the peripheral edge of the processing region W of the easy-open portion 20 is separated by at least the height of the embossed portion 203.
  • the embossed portion 203 has a longitudinal direction parallel to the opening direction and parallel to the end side w2 of the processing region W, and the embossed portion 203 is a storage portion rather than an extension line of the side w1 of the processing region W.
  • the embossed portion 203 is shifted so that the end portion of the embossed portion 203 is at the shortest distance from the corner portion of the processing region W.
  • one end of the bead-shaped embossed portion 203 is open to the outer side of the side seal portion 12.
  • the distance between the processing region W and the straight portion of the embossed portion 203 is separated by at least the protruding height of the embossed portion 203.
  • FIG. 2E shows an example in which bead-shaped embossed portions 303 are inclined at a predetermined angle with respect to the opening direction, and two inclined embossed portions 303 are arranged side by side and provided at a total of four locations.
  • the embossed part 303 sandwiching the easy-opening part extends in a direction in which the interval gradually decreases along the opening direction, and the peripheral edge of the end of the embossing part 303 on the front side in the opening direction is the virtual limit. It is located on the end side z2 of the line Z.
  • the number of the embossed parts 303 is arbitrary. Further, FIG.
  • FIG. 2F shows an embossed portion 403 having an irregular shape, in which a bead portion is formed in a Z shape or an S shape in a zigzag shape. Also in this case, the shortest distance from the base position of the embossed portion 403 to the peripheral edge of the processing region W is formed so as to be separated by at least the protruding height of the embossed portion 403. Also in this case, since the shape is characteristic, confirmation by tactile sensation becomes clearer.
  • the shape of the embossed portion is not limited to these examples, and various other shapes can be employed.
  • each said Example demonstrated the case where multiple embossing parts were provided, one embossing part may be sufficient.
  • the embossed part is on one side in the longitudinal direction of the side seal part with respect to the easy-opening part, it is unclear whether there is an easy-opening part with respect to the embossed part. It is easier to confirm than when there is nothing.
  • the embossed portion is triangular or arrow-shaped and the tip portion is pointed to the easy-opening portion, the easy-opening portion can be recognized intuitively. Further, if there is one easy opening part on both sides in the opening direction with respect to one embossed part, since there is one easy opening part on either side, it can be easily opened.
  • the processing region of the easy-opening portion is a quadrangular shape, but it may be a triangle, a trapezoid, a stepped pyramid, or a substantially elliptical shape that becomes narrower toward the storage portion.
  • the easy-open packaging bag to which the present invention is applied in addition to the illustrated flat pouch, it is applied to various known forms such as a standing pouch, a three-way seal pouch, a back-attached pouch, and a gusset pouch. Of course you can.

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

Abstract

L'invention concerne un sachet d'emballage à ouverture facile présentant une structure selon laquelle des parties en relief qui sont disposées pour identifier les emplacements des unités facilitant l'ouverture n'affectent pas, au moyen du relief, une pluralité de minuscules perforations qui sont disposées dans les positions des unités facilitant l'ouverture. Le sachet d'emballage à ouverture facile comprend des unités facilitant l'ouverture sur lesquelles une pluralité de minuscules perforations, qui constitue les points de départ de l'élément de fixation, est disposée sur une partie de joint qui relie les films les uns aux autres. Les parties en relief sont disposées près des unités facilitant l'ouverture de la partie de joint, et la distance minimale entre les périphéries d'extrémité des parties en relief et les périphéries d'extrémité des régions traitées des unités facilitant l'ouverture est supérieure ou égale à la hauteur des parties en relief.
PCT/JP2010/070592 2009-11-19 2010-11-18 Sachet d'emballage à ouverture facile WO2011062233A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-263596 2009-11-19
JP2009263596A JP5509804B2 (ja) 2009-11-19 2009-11-19 易開封性包装袋

Publications (1)

Publication Number Publication Date
WO2011062233A1 true WO2011062233A1 (fr) 2011-05-26

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Application Number Title Priority Date Filing Date
PCT/JP2010/070592 WO2011062233A1 (fr) 2009-11-19 2010-11-18 Sachet d'emballage à ouverture facile

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JP (1) JP5509804B2 (fr)
WO (1) WO2011062233A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020117300A (ja) * 2019-01-28 2020-08-06 凸版印刷株式会社 包装袋

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6096416B2 (ja) * 2012-03-09 2017-03-15 押尾産業株式会社 包装袋の製造方法
JP6924467B2 (ja) * 2016-07-29 2021-08-25 三笠産業株式会社 容器
CN108033134A (zh) * 2017-12-07 2018-05-15 上海久诚包装有限公司 一种包装用塑料复合膜袋
JP2021050030A (ja) * 2019-09-26 2021-04-01 東洋刃物株式会社 包装袋
KR102287084B1 (ko) * 2020-08-20 2021-08-06 씨제이제일제당 주식회사 파우치, 파우치 제조 방법, 물품 포장 방법, 및 물품 제공 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07132944A (ja) * 1993-11-04 1995-05-23 Taisei Ramick Kk 包装袋およびその製造方法
JPH11301700A (ja) * 1998-04-17 1999-11-02 Dainippon Printing Co Ltd 指で触れることにより判別可能な包装袋
JP2004314985A (ja) * 2003-02-24 2004-11-11 Dainippon Printing Co Ltd 包装袋
JP3890313B2 (ja) * 2003-03-31 2007-03-07 大王製紙株式会社 吸収性物品

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07132944A (ja) * 1993-11-04 1995-05-23 Taisei Ramick Kk 包装袋およびその製造方法
JPH11301700A (ja) * 1998-04-17 1999-11-02 Dainippon Printing Co Ltd 指で触れることにより判別可能な包装袋
JP2004314985A (ja) * 2003-02-24 2004-11-11 Dainippon Printing Co Ltd 包装袋
JP3890313B2 (ja) * 2003-03-31 2007-03-07 大王製紙株式会社 吸収性物品

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020117300A (ja) * 2019-01-28 2020-08-06 凸版印刷株式会社 包装袋
JP7528415B2 (ja) 2019-01-28 2024-08-06 Ｔｏｐｐａｎホールディングス株式会社 包装袋

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JP5509804B2 (ja) 2014-06-04
JP2011105357A (ja) 2011-06-02

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