WO2004108546A1 - プラスチック製ジッパーテープ及び該ジッパーテープを備えた袋 - Google Patents
プラスチック製ジッパーテープ及び該ジッパーテープを備えた袋 Download PDFInfo
- Publication number
- WO2004108546A1 WO2004108546A1 PCT/JP2003/007094 JP0307094W WO2004108546A1 WO 2004108546 A1 WO2004108546 A1 WO 2004108546A1 JP 0307094 W JP0307094 W JP 0307094W WO 2004108546 A1 WO2004108546 A1 WO 2004108546A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bag
- zipper tape
- film
- easy
- opening
- Prior art date
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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/10—Slide fasteners with a one-piece interlocking member on each stringer tape
- A44B19/16—Interlocking member having uniform section throughout the length of the stringer
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/26—Sliders
- A44B19/267—Sliders for slide fasteners with edges of stringers having uniform section throughout the length thereof
Definitions
- the present invention relates to a plastic zipper tape provided at an opening of a bag body and a bag provided with the zipper tape.
- a bag 1 shown in FIG. 6 has been known as a plastic bag.
- This bag 1 is made by welding or fusing plastic films la and lb, and is disengaged from the inner surfaces of the pair of flaps 3 and 3 located at the opening 2 by opposing each other.
- a zipper tape 8 comprising possible recesses 8a and protrusions 8b is provided.
- a slider 9 for closing or opening and closing the zipper tape 8 is attached to the opening 2 of the bag 1.
- Japanese Unexamined Patent Publication No. 7-132 946 discloses that the front and back films of the bag are provided with a peelable seal portion below the zipper so that the volatile components contained in the bag do not adsorb to the zipper.
- a bag in which an opening and a storage section are partitioned is disclosed.
- the bag described in the above publication has an advantage that it can be confirmed that the bag has not been opened and that the bag can be resealed. Storage capacity is sacrificed.
- PC TZ JP 0 2 Z 13 15 3 the inside of a base portion formed with a concave portion and a convex portion which can be fitted and released with each other.
- a plastic zipper tape whose surface is welded in a state of being easily opened under the concave portion and the convex portion, and a bag provided with the zipper tape are proposed.
- the base portion and the easy-opening film are made of a transparent material despite the fact that the base portion is divided into an upper portion serving as a flap portion and a lower portion provided with an easy-opening film. Therefore, it is difficult to distinguish between the upper part and the lower part. Therefore, when attaching the zipper tape to the film constituting the bag in the bag making process, a problem may occur in which the upper flap and the lower flap are reversed. If the bag is made as it is, the entire lot will be defective, and after filling the product, the bag manufacturer will bear the loss of the product. Disclosure of the invention
- an object of the present invention is to provide a plastic zipper tape which can eliminate the possibility of being attached to a film of a bag body upside down during bag making.
- a first aspect of the present invention is a pair of plastic zipper tapes in which concave and convex portions that can be fitted and released from each other are formed on side surfaces of a base portion, wherein the pair of base portions is It is substantially transparent and has flap portions above and below the concave portion and the convex portion, and at least one of the pair of base portions is colored on the inner surface of at least one of the lower flap portions with an easy-open resin or easy-open portion. It is characterized by having a film material.
- the opening resin or easy-opening film material is peeled off by spreading the upper flap of the base by hand.
- the base portion is substantially transparent, and the easy-opening resin or the easy-opening film material provided on the lower flap portion of the base portion is colored. Therefore, it is possible to eliminate the possibility that the zipper tape is turned upside down and attached to the bag film at the time of bag making without misunderstanding the top and bottom of the base portion. Also, it can be reliably identified from conventional zipper tapes that are not easy to open.
- the easy-opening resin and easy-opening film do not re-adhere once peeled off, so it is not only easy to check the unopened state, but also by welding the easy-opening resin or easy-opening film material to the base part. Whether the bag has not been opened or has already been opened can be easily confirmed visually based on the color of the welded portion and the presence or absence of the formed weld line.
- the easy-opening resin or easy-opening film is provided at the base of the zipper tape, the storage capacity of the bag is not sacrificed.
- a slider for opening and closing the uneven portion of the zipper film is used. Even if it is attached, it is possible to secure the airtightness inside the bag when it is not opened.
- the easy-opening film material may have a three-layer structure in which a non-stretchable film is sandwiched between the easy-opening film and the welding film.
- the easy-opening film is a colored film or is colored by printing.
- a bag body is formed with at least one side being an opening, and a concave portion and a convex portion which can be fitted and released from each other are formed on a base portion on the inner surface of the opening.
- a pair of plastic zipper tapes In the attached bag, at least one of the front film and the back film constituting the bag body has a portion that covers the zipper tape is substantially transparent, and the pair of base portions is substantially
- the inner surface of at least one of the lower flap portions of the pair of base portions is colored. It is characterized by having an easy-opening resin or an easy-opening film material.
- a bag according to a second aspect of the present invention includes the zipper tape according to the first aspect of the present invention, and has the effect of the zipper tape.
- a slider for fitting at least the concave portion and the convex portion may be provided in the upper lip portions of the pair of zipper tapes.
- one side opposite to the portion where such a slider is provided may be an opening for filling contents.
- FIG. 1 is a perspective view showing a zipper tape according to a first embodiment of the present invention
- FIG. 2 shows a zipper tape according to a second embodiment of the present invention, wherein (A) is a cross-sectional view showing a state before the easy-open film material is attached to the base portion, and (B) is a sectional view showing the easy-open film material. A cross-sectional view of a state where it is attached to the base portion, (C) is a cross-sectional view showing a state in which the easily-openable film material is welded to the base portion,
- FIG. 3 is a front view showing a bag according to a third embodiment of the present invention.
- Fig. 4 shows the main part of the bag, (A) is a front view, (B) is a cross-sectional view of X_X,
- FIG. 5 shows a double-sided slider attached to the bag, (A) is a left side view, (B) is a front view, (C) is a right side view, and (D) is a Y-axis. Y cross section,.
- FIG. 6 shows a bag provided with a conventional plastic zipper tape, (() is a perspective view, and ( ⁇ ) is a cross-sectional view of a main part.
- FIG. 1 shows a plastic zipper tape 10 according to a first embodiment.
- the zipper tape 10 has a convex portion 12 and a concave portion 13 that can be fitted and released from each other in the base portions 11 A and 11 B, respectively.
- a colored easy-open resin 14 is provided on the inner surface of the lower flap portion 11b.
- the base portions 11 A and 11 B are substantially transparent (meaning that they are transparent or translucent in the present specification), and the upper and lower portions of the convex portion 12 and the concave portion 13 are flush. Are 11a and 11b. Upper flap 1 1a is for pinching and opening with fingers
- the zipper tape 10 is made of a weldable plastic such as polypropylene or polyethylene, and the base portions 11A and 11B and the convex portions 12 and concave portions 13 are integrally formed by extrusion molding. It is the one which was formed in a typical manner. For example, if the base portions 11A and 11B are 100% polyethylene, the mixture of 40% polyethylene and 60% polyamide is blue or red. It is used in a colored state, and is formed by co-extrusion with the base portion 11A.
- a weldable plastic such as polypropylene or polyethylene
- the base portions 11A and 11B and the convex portions 12 and concave portions 13 are integrally formed by extrusion molding. It is the one which was formed in a typical manner. For example, if the base portions 11A and 11B are 100% polyethylene, the mixture of 40% polyethylene and 60% polyamide is blue or red. It is used in a colored state, and is formed by co-extrusion with the base portion 11A.
- the zipper tape 10 is not misunderstood at the time of bag making, and the other It can be distinguished from existing zipper tapes. Furthermore, when this zipper tape 10 is welded to the plastic film of the bag, the welded portion of the easy-open resin 14 and the base portions 11A and 11B (see FIG. 4 (A)) The bag can be easily checked by visual inspection to see if the bag has been opened based on the shade of the reference numeral 26). If not opened, the welded portion of the easy-open resin 14 has a bright color and the weld line is clearly visible. However, once opened (when the welding of the easy-open resin 14 is peeled off), the welded portion becomes a light shade and the welded line becomes unclear.
- the base portions 11 A and 11 B only need to be substantially transparent, but at least the base portion 11 A to which the easy-open resin 14 is welded. , 11B should be substantially transparent.
- FIGS. 2 (A), 2 (B) and 2 (C) show a plastic zipper tape 10 'according to a second embodiment.
- This zipper tape 10 ′ has basically the same configuration as the zipper tape 10 shown as the first embodiment, and is similar to the zipper tape 10 ′ shown in FIGS. 2 (A), (B) and (C).
- the same parts as those in FIG. 1 are denoted by the same reference numerals, and redundant description will be omitted.
- This zipper tape 10 ′ is different from the zipper tape 10 in that an easy-opening film material 15 is provided in place of the easy-opening resin 14, and the operation and effect thereof are the same as those of the zipper tape 1. Same as 0.
- the easily-openable film material 15 has a three-layer structure in which the non-stretchable film 15c is interposed between the easily-openable film 15a and the weldable film 15b.
- the zipper tape 10 ' is made of 100% polyethylene
- the easily-openable film 15a has polyethylene 30-50% and polyethylene A copolymer film of 50 to 70% of amide can be used.
- 100% of a polyethylene film can be used for the welding film 15b.
- the non-stretchable film 15c a stretched polypropylene film, a stretched polyethylene terephthalate film, or the like can be used as the non-stretchable film 15c.
- the non-stretchable film 15c is sandwiched to prevent the easily-openable film material 15 from being stretched during welding.
- the easily-openable film 15a is colored by the force of coloring the film itself or by printing. It is sufficient that at least the base portion 11A is substantially transparent. This is because the base portion 11A is welded to the easy-open film 15a.
- FIG. 3 and 4 show a bag 20 according to a third embodiment.
- This bag 20 is manufactured by basically the same bag-making process as the conventional plastic bag 1 shown in FIG. 6, and the front and back plastic films 21 A and 21 constituting the bag body. Both sides 22a and 22b of B (see FIG. 4 (B)) are welded as shown by hatching in FIG.
- the upper side 22 c is an opening, and the zipper tape 10 and the open / close slider 30 are attached.
- the lower side 22d is also an opening, and the lower side 22d is closed by welding after the products are stored in the bag 20 made in the state shown in FIG.
- Bag 21 film 21 A and 2 1 B are weldable transparent monolayer films Alternatively, a transparent laminated film to which the inner layer can be welded is used.
- the base portion 11A, 11B of the zipper tape 10 is sandwiched between the upper sides 22c of the films 21A, 21B, and a heat plate (not shown) is placed on the outer side of the films 21A, 21B. And welded in a line as shown in FIG. 4 with diagonal lines.
- the welding line 25 is a welded portion between the outer surface of the upper part (flaps 11a) of the base portions 11A and 1IB and the inner surfaces of the films 21A and 21B. At the time of welding of this portion, a receiving plate is inserted between the base portions 11A and 11B so that they are not welded.
- the welding line 26 is formed between the outer surface of the lower portion of the base portion 11A, 11B (the flap portion lib) and the inner surface of the film 21A, 21B and the base portion 11A.
- 11B is a welded portion between the inner surface of the lower portion (flaps 11b) and the easy-open resin 14.
- the open / close slider 30 will be briefly described.
- the slider 30 is composed of a pair of side leg pieces 31 and 31 and a middle leg piece 35, and the middle leg piece 35 has a convex portion 1 of a zipper tape 10.
- a notch 36 into which the second and concave portions 13 are fitted is formed.
- Each of the side leg pieces 3 1 and 3 1 has a projection 32 formed inside the lower portion thereof, and a projection 33 formed at a position facing the notch 36.
- the protrusion 12 and the recess 13 of the zipper tape 10 are pressed by the protrusions 33 of the side leg pieces 31 and 31 to be cut. It enters notch 36 and engages with each other. As a result, the zipper tape 10 is closed.
- the concave portion 12 and the convex portion 13 are forcibly pressed by the middle leg piece 35 (specifically, the bottom 36 a of the notch 36). Separated. That is, the zipper-tape 10 is released.
- the zipper tape 10 is released by the slider 30, and the easy-open resin 14 is peeled off by removing the upper end portion and the base portion 11 of the films 21 A and 21 B of the bag 20. This is done by pinching the flaps 1 1 &, 11 a of A, 11 with fingers and expanding them.
- the bag 20 having the above configuration has the following operational effects.
- the easily-openable resin 14 and the easily-openable film 15a do not re-adhere once peeled off, so it is not only easy to confirm the opening / unopening, but also the easily-openable resin 14 or the easily-openable film. Since the lum 15a is welded to the base portion 11A and the base 11A or 11B, the color of the welded portion (weld line 26) and the presence or absence of the weld line 26 formed are determined. The unopened force of the bag 20 and whether or not the bag 20 has already been opened can be easily confirmed visually.
- the film 21A and 21B of the bag 20 need to be substantially transparent at the portion where the welding line 26 is formed, and at least, it is easy to open.
- the side where the resin 14 or the easily-openable film 15a and the base portion 11A or 11B are welded may be substantially transparent.
- the plastic zipper tape and the bag according to the present invention are not limited to the above embodiment, but can be variously modified within the scope of the gist.
- the zipper tapes 10, 10 ′ may be provided with two convex portions 12 and concave portions 13 in order to ensure airtightness.
- various materials other than those described in the above embodiment may be used for the material of the zipper tapes 10 and 10 ′ and the material of the easy-open resin 14 or the easy-open film 15. Can be.
- the slider attached to the opening of the bag may be a slider exclusively used for closing, in addition to the slider 30 used for both opening and closing. Alternatively, this type of slider need not be attached to the opening of the bag.
- the plastic zipper tape according to the present invention does not misunderstand the top and bottom during bag making, and the bag provided with the zipper tape can be visually confirmed to be unopened and re-opened. It is suitable for bags that can be sealed and that store the articles almost airtight without sacrificing the storage capacity of the bags.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/007094 WO2004108546A1 (ja) | 2003-06-04 | 2003-06-04 | プラスチック製ジッパーテープ及び該ジッパーテープを備えた袋 |
AU2003242055A AU2003242055A1 (en) | 2003-06-04 | 2003-06-04 | Plastic zipper tape and bag with the zipper tape |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/007094 WO2004108546A1 (ja) | 2003-06-04 | 2003-06-04 | プラスチック製ジッパーテープ及び該ジッパーテープを備えた袋 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004108546A1 true WO2004108546A1 (ja) | 2004-12-16 |
Family
ID=33495924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/007094 WO2004108546A1 (ja) | 2003-06-04 | 2003-06-04 | プラスチック製ジッパーテープ及び該ジッパーテープを備えた袋 |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2003242055A1 (ja) |
WO (1) | WO2004108546A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0199833A (ja) * | 1987-10-14 | 1989-04-18 | Omori Mach Co Ltd | 開閉ファスナー付き袋体の製造方法 |
JPH0692362A (ja) * | 1991-05-31 | 1994-04-05 | Kraft General Foods Inc | 再閉鎖可能なパウチとその成形、充填及びシーリング方法 |
JPH07133470A (ja) * | 1993-11-08 | 1995-05-23 | Teraoka Seisakusho:Kk | 両面粘着テープ |
US5492411A (en) * | 1995-01-18 | 1996-02-20 | Reynolds Consumer Products Inc. | Tamper evident peelable seal |
JP2000006997A (ja) * | 1998-06-19 | 2000-01-11 | Ishizaki Shizai Kk | ジッパー付き袋 |
JP2001315806A (ja) * | 2000-03-01 | 2001-11-13 | Reynolds Consumer Prod Inc | シーラント層と剥離シールを有する再閉止可能ジッパー、パッケージ、および方法 |
JP2003041215A (ja) * | 2001-08-01 | 2003-02-13 | Kyowa Ltd | 封緘用粘着テープまたはラベル |
-
2003
- 2003-06-04 WO PCT/JP2003/007094 patent/WO2004108546A1/ja not_active Application Discontinuation
- 2003-06-04 AU AU2003242055A patent/AU2003242055A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0199833A (ja) * | 1987-10-14 | 1989-04-18 | Omori Mach Co Ltd | 開閉ファスナー付き袋体の製造方法 |
JPH0692362A (ja) * | 1991-05-31 | 1994-04-05 | Kraft General Foods Inc | 再閉鎖可能なパウチとその成形、充填及びシーリング方法 |
JPH07133470A (ja) * | 1993-11-08 | 1995-05-23 | Teraoka Seisakusho:Kk | 両面粘着テープ |
US5492411A (en) * | 1995-01-18 | 1996-02-20 | Reynolds Consumer Products Inc. | Tamper evident peelable seal |
JP2000006997A (ja) * | 1998-06-19 | 2000-01-11 | Ishizaki Shizai Kk | ジッパー付き袋 |
JP2001315806A (ja) * | 2000-03-01 | 2001-11-13 | Reynolds Consumer Prod Inc | シーラント層と剥離シールを有する再閉止可能ジッパー、パッケージ、および方法 |
JP2003041215A (ja) * | 2001-08-01 | 2003-02-13 | Kyowa Ltd | 封緘用粘着テープまたはラベル |
Also Published As
Publication number | Publication date |
---|---|
AU2003242055A1 (en) | 2005-01-04 |
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