WO2014132847A1 - 包装袋 - Google Patents
包装袋 Download PDFInfo
- Publication number
- WO2014132847A1 WO2014132847A1 PCT/JP2014/053839 JP2014053839W WO2014132847A1 WO 2014132847 A1 WO2014132847 A1 WO 2014132847A1 JP 2014053839 W JP2014053839 W JP 2014053839W WO 2014132847 A1 WO2014132847 A1 WO 2014132847A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- packaging bag
- laminated film
- layer
- colorant
- Prior art date
Links
Images
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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/004—Information or decoration elements, e.g. level indicators, detachable tabs or coupons
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
-
- 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
- B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
- B65D35/02—Body construction
- B65D35/04—Body construction made in one piece
- B65D35/08—Body construction made in one piece from plastics material
Definitions
- the present invention relates to a packaging bag formed in multiple by overlapping a plurality of films, and particularly relates to a packaging bag colored with a coloring agent.
- a packaging bag for packaging liquids, semi-fluids, powders, etc.
- a packaging bag has been proposed in which a multi-layer film formed by stacking a plurality of films is formed into a bag shape.
- the films constituting the multiplex film are in a non-bonded state over a wide range, and can slide to each other in this non-bonded region.
- Patent Document 1 discloses a packaging bag and a manufacturing method thereof.
- this packaging bag an accommodation space for accommodating an article to be packaged is formed by curving the multiple film into a cylindrical shape and sealing the edge.
- This packaging bag may be colored with coloring agents such as pigments and dyes from the viewpoints of design and discovery of foreign matter.
- coloring agents such as pigments and dyes from the viewpoints of design and discovery of foreign matter.
- the coloring material is transferred to the packaged object and the packaged object is contaminated.
- the films constituting the multiple films achieve a good mechanical property by being in a non-bonded state over a wide range.
- the blocking property between the films constituting the multiple film is high, pinholes penetrating a plurality of films occur, the film cannot slide and escape, and the mechanical characteristics deteriorate. Problem arises.
- the present invention can prevent the contamination of the package by the colorant contained in the multiple film, and furthermore, the blocking property between the films constituting the multiple film is low, and the mechanical characteristics can be kept good.
- the purpose is to provide a packaging bag.
- the packaging bag of the present invention is a packaging bag formed by forming a multi-layered film in which a plurality of multi-layered films are overlapped to form a bag shape.
- the colorant is contained only in any one of the layers excluding the layer in contact with the packaged item.
- the layer containing the colorant does not come into contact with the package object, and the colorant moves to the package object. There is nothing.
- the layer containing the colorant is at least one of the laminated films in the laminated film and the laminated film adjacent to each other among the laminated films constituting the multiple laminated film.
- the layer is preferably in contact with the other laminated film of the film.
- the colorant is contained in the layer in contact with the other laminated film of at least one laminated film among the adjacent laminated film and the other laminated film, the one laminated film and the other laminated film The blocking property of the laminated film can be lowered.
- the packaging bag which can prevent the contamination by the coloring agent of a to-be-packaged object can be provided. Furthermore, the layer containing the coloring agent is formed as a layer in contact with the other laminated film of at least one of the laminated films adjacent to each other and the other laminated film, thereby blocking the laminated films. Therefore, it is possible to provide a packaging bag that can reduce the mechanical properties and maintain good mechanical properties such as impact resistance and pinhole resistance.
- FIG. 1 is a perspective view of the multi-laminate film which comprises a packaging bag
- FIG. 1 is a perspective view of the multi-laminate film which comprises a packaging bag
- FIG. 1 is a perspective view of the multi-laminate film which comprises a packaging bag
- FIG. 1 is a perspective view of the multi-laminate film which comprises a packaging bag
- FIG. 1 is a perspective view of the multi-laminate film which comprises a packaging bag
- FIG. 1 is a perspective view of the multi-laminate film which comprises a packaging bag
- FIG. 1 is a perspective view of the multi-laminate film which comprises a packaging bag
- FIG. 1 is a perspective view of the multi-laminate film which comprises a packaging bag
- FIG. 1 is a perspective view of the multi-laminate film which comprises a packaging bag
- FIG. 1 is a perspective view of the multi-laminate film which comprises a packaging bag
- FIG. 1 is a perspective view of the multi-lam
- FIG. 1 is a diagram illustrating the configuration of a packaging bag 1 according to an embodiment of the present invention.
- FIG. 1A is a perspective view of the multi-layered film 4, and FIG. 1B is a detailed perspective view of the multi-layered film 4.
- FIG. The multi-laminate film 4 in the present embodiment is obtained by crushing flatly a multi-layered cylinder formed by a known inflation method so that two laminating films (inner laminating film 2 on the edges 6 and 6) serve as a boundary. And the outer laminated film 3).
- the multi-laminate film 4 is formed by cutting a predetermined length region from a roll-shaped film 5 in which a cylindrical film is flattened and wound.
- the multiple laminated film 4 is in a mode in which the inner laminated film 2 and the outer laminated film 3 overlap each other by flattening the cylindrical film, and each laminated film 2, 3 becomes a boundary between each laminated film 2, 3. It is continuous at both side edges 6 and 6.
- other known techniques such as a method of pseudo-adhering two films by roll pressure bonding can be used as appropriate, and this embodiment is It is not limited to the above inflation method.
- the multi-layered film 4 is curved and formed into a cylindrical shape, and one end edge portion 7 is the other end edge portion 7 and 8 on the both end sides when bent. Are overlapped with each other so as to cover the end edge 8 of each other.
- a longitudinal seal portion 9 is formed in the longitudinal direction along the edge 6 and joined to the region where both end edges 7 and 8 are overlapped with each other.
- horizontal seal portions 10 and 11 intersecting with the vertical seal portion 9 are formed at upper and lower end edges in the vertical direction of the vertical seal portion and the vertical seal portion of the multilayer laminated film 4 curved in a cylindrical shape.
- the multiple laminated film 4 becomes the packaging bag 1 having the accommodation space. An article to be packaged is accommodated in the accommodating space during the manufacturing process.
- the envelope sticking format is used, the palm tension type which vertically seals the inner side laminated films 2 can also be used suitably, for example.
- FIG. 2 is a cross-sectional view taken along line AA of the multilayer film 4 shown in FIG.
- the multi-layered film 4 is formed of a continuous tubular film, and the inner layered film 2 and the outer layered film 3 are composed of a plurality of layers with the connected both ends as a boundary.
- the first layers 2c and 3c, the second layers 2b and 3b, and the third layers 2a and 3a are laminated in this order from the non-adhesive surface S1 side. Since the first layers 2c and 3c behave as two films, a resin having a low blocking property is used. For example, a resin containing an antiblocking agent is preferably used.
- the second layer 2b, 3b is made of a base resin that has good mechanical properties as a packaging bag.
- the third layers 2a and 3a are the outermost layer of the packaging bag or a layer in contact with the article to be packaged, and a resin having good sealability is used.
- the first layers 2c and 3c and / or the second layers 2b and 3b preferably contain a colorant, and at least the first layers 2c and 3c preferably contain a colorant.
- a coloring agent in the first layers 2c and 3c, it is possible to prevent the first layers 2c and 3c from blocking simultaneously with the coloring of the packaging bag, and to maintain good suitability as a multiple bag. Can do.
- the colorant include pigments and dyes.
- the multiple laminated film 4 is curved in a cylindrical shape with the inner laminated film 2 as the inner side to form a packaging bag 1 so that the pinhole resistance is excellent and the colorant is covered.
- the packaging bag which does not transfer to a package can be obtained.
- FIG. 3 is a BB cross-sectional view of the packaging bag 1 and a partial cross-sectional view of a partial region including the lateral seal portion 10 of the packaging bag 1.
- the side on which the vertical seal portion 9 of the packaging bag 1 is formed is the front side
- an accommodation space S2 for an object to be packaged is formed between the front side portion and the back side portion.
- the front side part is comprised from the inner side laminated film 2 (21) and the outer side laminated film 3 (31), and the back side part is comprised from the inner side laminated film 2 (22) and the outer side laminated film 3 (32).
- the inner laminated film 2 and the outer laminated film 3 are non-bonded in a region other than the vertical seal portion 9 and the horizontal seal portions 10 and 11, and both the laminated films 2 and 3 move to each other in the non-bonded region (side slip). Is possible).
- the non-adhesion surface S1 described between the inner side laminated film 2 and the outer side laminated film 3 expresses a non-joining state formally, and both laminated films 2 and 3 are They may be in contact with each other in some or all areas.
- the inner laminated film 2 is arranged in the order of the third layer 2a, the second layer 2b, and the first layer 2c from the accommodation space S2 side. That is, the colorant is included in the layer (first layer 2c) that is not the third layer 2a in contact with the accommodation space S2. For this reason, the colorant contained in the first layer 2c does not migrate to the packaged object accommodated in the accommodation space S2, and contamination of the packaged object with the colorant can be prevented.
- the outer laminated film 3 is arranged in the order of the first layer 3c, the second layer 3b, and the third layer 3a from the inner laminated film 2 side. That is, the first layer 3c in contact with the inner laminated film 2 of the outer laminated film 3 and the first layer 2c in contact with the outer laminated film 2 of the inner laminated film 2 are layers containing colorants. For this reason, the blocking property between the outer laminated film 3 and the inner laminated film 2 can be lowered, and the mechanical strength such as impact resistance and pinhole resistance of the packaging bag 1 can be kept good. Is obtained.
- an inorganic pigment is preferable from a viewpoint of blocking property.
- the multilayer laminated film 4 has the innermost layer of the cylindrical laminated film as the first layers 2 c and 3 c containing the colorant, and the cylindrical laminated film is made flat. Since it is formed in a double layer, it is possible to realize both prevention of contamination by colorants and low blocking property at the same time.
- the manufacturing method of the packaging bag 1 will be described by taking as an example the case of manufacturing using the pillow packaging machine 100 as shown in FIG. 1st process which makes the multilayer laminated film 4 cylindrical, 2nd process which forms the vertical seal
- the fifth step of forming the horizontal seal portion 11 and the sixth step of cutting the boundary line of the continuous bag are sequentially performed.
- it demonstrates in order of a process.
- First step of making the multi-layered film into a cylindrical shape The multi-layered film 4 fed out from the roll film 5 is guided to the former 112 via a plurality of feed-out rolls 120 and 121.
- a sensor 119 is disposed in the middle of the path from the roll film 5 to the former 112 and detects registration marks printed on the multi-laminate film 4 at regular intervals in the length direction so as to be on the track of the packaging machine 100.
- a multi-laminate film 4 having a certain length can be sent out at certain time intervals.
- the multi-layered film 4 is curved in a cylindrical shape while passing through the former 112, and is in the form of a cylindrical body in which both end edges 7 and 8 on the curved front end side are overlapped. At this time, as shown in FIG.
- the multiple laminated film 4 has a cylindrical shape, and is laminated in the order of the first layers 2c and 3c, the second layers 2b and 3b, and the third layers 2a and 3a from the inside of the tube. Therefore, when this is curved into a cylindrical shape, the third layer 2a of the inner laminated film 2 constitutes the inner side surface of the cylindrical body. Further, the cylindrical body has a multiple structure in which the outer laminated film 3 is superimposed on the outer side of the inner laminated film 2, and the first layer 2 c including the colorant of the inner laminated film 2 and the colorant of the outer laminated film 3 are included. It becomes a mode in which the first layer 3c contacts each other.
- Second step of forming the vertical seal portion The vertical seal machine 113 is in a region where both end edges 7 and 8 of the multi-laminate film 4 overlap in accordance with the timing at which the multi-laminate film 4 moves at a constant time interval. The abutting surfaces are brought into contact with and separated from each other and heat welding is performed to form the vertical seal portion 9.
- the third step of forming the lower horizontal sealing portion When the thermal welding by the vertical sealing machine 113 is completed, the openable / closable piercing roll 115 is closed and the cylindrical body formed from the multi-layered film 4 is squeezed. As a result, the horizontal sealing machines 116 and 117 are closed at predetermined positions of the flattened cylindrical body to form the lower horizontal sealing portion 10.
- the brace and cutter 118 is closed and the lower lateral seal portion 10 of the packaging bag 1a before separation and the upper lateral seal portion 11 continuous thereto are clamped, The boundary between the two is divided into two and the packaging bag 1 is dropped onto the conveyor 130.
- the packaging bag 1 shown in FIG. 1 (E) is manufactured, and the colorant does not migrate to the packaged object W, and the packaged bag can prevent contamination of the packaged product W due to the colorant. 1 can be manufactured. Moreover, the packaging bag 1 with the effect that the blocking property of the inner side laminated film 2 and the outer side laminated film 3 is low and mechanical strength can be kept favorable, etc. can be manufactured.
- the multi-laminate film may not be formed in a cylindrical shape but may be constituted by superposing a plurality of independent laminating films.
- the multi-layered film may be a double-layered film in which two laminated films are combined, or three or more sheets may be overlapped.
- the layer containing the colorant may be formed only on one laminated film among the multiple laminated films, or may be formed on a plurality of laminated films.
- the layer containing a coloring agent may be formed only in one layer among the multiple layers of each laminated film, or may be formed in multiple layers.
- the laminated film may be two layers or three or more layers.
- the layer containing the colorant may be formed as an intermediate layer of the laminated film.
- the number and position of the sealing parts of the packaging bag are not limited, for example, the overlapping part may be a palm type, and the sealing part may be three-way sealed to form the seal part in three directions or four-way seal to be formed in four directions.
Abstract
Description
2 内側積層フィルム
2a 第三層
2b 第二層
2c 着色料を含む第一層
3 外側積層フィルム
3a 第三層
3b 第二層
3c 着色料を含む第一層
4 多重積層フィルム
41 多重積層フィルムの表面部
42 多重積層フィルムの裏面部
5 ロール状の多重積層フィルム
6 多重積層フィルムの側端縁
7 多重積層フィルムのオーバーラップさせる一方の端縁部
8 多重積層フィルムのオーバーラップさせる他方の端縁部
9 縦シール部
10 下側の横シール部
11 上側の横シール部
12 筒状体
100 包装機
112 フォーマ
Claims (4)
- 複数の積層フィルムが重ね合わせられて多重に構成される多重フィルムを袋状に構成することで形成される包装袋において、
前記積層フィルムの被包装物に接する層を除くいずれかの層にのみ着色料を含有することを特徴とする包装袋。 - 前記多重積層フィルムは、筒状の積層フィルムを扁平にすることで二重に構成されていることを特徴とする請求項1記載の包装袋。
- 前記筒状の積層フィルムの最内層にのみ着色料を含有することを特徴とする請求項2記載の包装袋。
- 前記着色料が無機顔料であることを特徴とする請求項1から3のいずれか1項記載の包装袋。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG11201505543TA SG11201505543TA (en) | 2013-02-28 | 2014-02-19 | Packaging bag |
CN201480010723.8A CN105164021B (zh) | 2013-02-28 | 2014-02-19 | 包装袋 |
US14/771,082 US9850032B2 (en) | 2013-02-28 | 2014-02-19 | Packaging bag |
PH12015501907A PH12015501907A1 (en) | 2013-02-28 | 2015-08-28 | Packaging bag |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013039976A JP6195102B2 (ja) | 2013-02-28 | 2013-02-28 | 包装袋 |
JP2013-039976 | 2013-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014132847A1 true WO2014132847A1 (ja) | 2014-09-04 |
Family
ID=51428118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/053839 WO2014132847A1 (ja) | 2013-02-28 | 2014-02-19 | 包装袋 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9850032B2 (ja) |
JP (1) | JP6195102B2 (ja) |
CN (1) | CN105164021B (ja) |
MY (1) | MY170154A (ja) |
PH (1) | PH12015501907A1 (ja) |
SG (1) | SG11201505543TA (ja) |
WO (1) | WO2014132847A1 (ja) |
Families Citing this family (3)
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US9786619B2 (en) | 2015-12-31 | 2017-10-10 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor structure and manufacturing method thereof |
JP7275491B2 (ja) * | 2018-08-03 | 2023-05-18 | 大日本印刷株式会社 | 多層包装袋 |
JP7381862B2 (ja) | 2019-11-29 | 2023-11-16 | キョーラク株式会社 | 製袋充填方法、製袋充填システム |
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2015
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Also Published As
Publication number | Publication date |
---|---|
JP6195102B2 (ja) | 2017-09-13 |
CN105164021B (zh) | 2017-06-30 |
JP2014166869A (ja) | 2014-09-11 |
SG11201505543TA (en) | 2015-08-28 |
US20160137353A1 (en) | 2016-05-19 |
MY170154A (en) | 2019-07-09 |
PH12015501907B1 (en) | 2016-01-04 |
PH12015501907A1 (en) | 2016-01-04 |
CN105164021A (zh) | 2015-12-16 |
US9850032B2 (en) | 2017-12-26 |
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