WO2005019052A1 - Plastic bag with zipper - Google Patents

Plastic bag with zipper Download PDF

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Publication number
WO2005019052A1
WO2005019052A1 PCT/JP2003/010674 JP0310674W WO2005019052A1 WO 2005019052 A1 WO2005019052 A1 WO 2005019052A1 JP 0310674 W JP0310674 W JP 0310674W WO 2005019052 A1 WO2005019052 A1 WO 2005019052A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
bag
plastic
zipper
portion
film
Prior art date
Application number
PCT/JP2003/010674
Other languages
French (fr)
Japanese (ja)
Inventor
Akira Ishizaki
Shingo Ishizaki
Original Assignee
Ishizaki Shizai 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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D31/00Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/12Bags or like containers made of paper and having structural provision for thickness of contents with two or more compartments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D33/00Details of, or accessories for, sacks or bags
    • B65D33/16End- or aperture-closing arrangements or devices
    • B65D33/25Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508Riveting; 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 and operated without a slider
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D33/00Details of, or accessories for, sacks or bags
    • B65D33/16End- or aperture-closing arrangements or devices
    • B65D33/25Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508Riveting; 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 and operated without a slider
    • B65D33/2516Riveting; 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 and operated without a slider comprising tamper-indicating means, e.g. located within the fastener
    • B65D33/2533Riveting; 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 and operated without a slider comprising tamper-indicating means, e.g. located within the fastener the slide fastener being located between the product compartment and the tamper indicating means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/02Cable terminations
    • H02G15/06Cable terminating boxes, frames, or other structures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/08Cable junctions
    • H02G15/10Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/08Cable junctions
    • H02G15/18Cable junctions protected by sleeves, e.g. for communication cable

Abstract

A plastic bag (10D), wherein an engageable/disengageable zipper (5) having a recessed part (7) and a projected part (8) is formed on the inside of the upper portion (14) of an opened bag body formed of plastic films (11) and (12), and both side portions (13) and (13) of the bag (10D) and the lower side portion (15) are fused, cutouts (35) and (35) are formed at both end parts of the upper portion (14) for opening, the upper portion (14) of the bag (10D) is openable by the zipper (5) and can be largely opened, a plurality of chambers may be formed by binding at least one sheet of thermal fusible plastic sheet between the films (11) and (12) or by vertically fusing the films (11) and (12) through lines.

Description

Plastic bag with zipper

Technical field

The present invention, a plastic bag with a zipper, in particular, plastic

Akira

Inside of the upper side opening of the Ranaru bag, Hamagono releasable di consisting of concave and convex portions - about a plastic bag equipped with.

Field BACKGROUND

The inner surface of the upper side opening of the bag body made of a plastic film, a plastic bag having a fitting Z releasable zipper consisting of a concave portion and convex portion, various types have been conventionally provided.

As the typical ones, as shown in the first FIG. 3, the two plastic films 1 A, 1 both side portions by welding or fusing the B (part 2 hatched in the first 3 Figure (C) There is a welded portion) is provided with a zipper 5 to the upper side opening. Zip par 5, (see the first 4 figures) As is well known, is obtained by integrally forming a recess 7 and the convex portion 8 to the base part 6 of the plastic.

The zipper 5, the recess 7 and the convex portion 8 is welded by fitting with each other at both ends 5 a, 5 a. Accordingly, both end portions 5 a, 5 a zipper 5 even when the aperture is fixed in a fitted state, at the time of re-closure of the rear portion of the zipper 5 as a starting point both ends 5 a, 5 a with a finger pinching, sealed by sliding your finger while pressing. Incidentally, in the conventional plastic bag of this type, the area of ​​the opening 3 when opened zipper 5 (the portion hatched in the first 3 view (B)) is considerably reduced. That is, (see 2 a of the first 3 view (C)) portion zipper 5 is disposed Why even welding area is increased in order to become more the amount of resin, The recess 7 and the convex portion 8 inwardly due to the fact that bulges. Thus, it can be in and out of the opening 3 articles from small dimensions D 2 than the inner dimension D 1 of the welded portion 2 recesses 7 and the projections 8 a width D 3 following excluding the parts are Gotsu overlap at opening It has been limited to those.

Further, due to the rigidity of the zipper 5, it is impossible to open the opening portion 3 sufficiently if the length of the zipper 5 is shortened, the width dimension D of 4 O mm below the thin bag is actually Manufacturing There was no. Disclosure of the Invention

An object of the present invention is to provide a zipper plastic bag capable of housing an article big than conventionally by effectively utilizing the internal dimensions of the receptacle. Another object of the present invention is that out of even than the width is smaller conventional article provides di wrapper with a plastic bag possible.

To achieve the above object, the present invention is, on the inner surface of the upper side opening of the bag made of plastic film, in plastic bags with a fitting Z releasable zipper consisting of a concave portion and the convex portion, the bag wherein the end portions of the upper side opening of the body is open.

In the plastic bag according to the present invention, since the end portions of the upper side opening of the bag is open, largely can open Keru that regardless the upper opening of the bag to the presence of the zipper, the bag it is possible to retract and a larger article than conventionally by using the inner dimension effectively. Since it is not to be bound by the rigidity of the zipper, slave came limits and has been wide 4 O mm or less were, for example, may be practiced bag-out zipper width of about 1 O mm.

Furthermore, by utilizing the fact that the two end portions of the bag is open, if to draw cords and cables from the both end portion, an electrical connection state cords and cables remain housed in the bag body can be maintained, it is possible to combine the surplus part of the cable in a compact manner.

In a plastic bag according to the present invention, since both ends of the concave portion and the convex portion of the zipper are not welded together, as in the conventional bag, there is no starting point when fitting the concave and convex portions. Therefore, the is fitted, is opposed by visually recesses and projections, to press the back of the zipper with a finger. Can be sealed by pressing one degree if small bag width. It will seal while pressing several times as long as the bag width that can not be sealed with one degree.

Also, plastic bags according to the present invention may comprise a plurality of chambers. For example, it is possible to form a plurality of chambers by sandwiching the at least one heat-fusible plastic sheet between the front film and back fill Λ constituting the bag body. Further, it is possible to form a plurality of chambers also by welding the front film and back film in the longitudinal direction in a line shape. BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 shows a first manufacturing step during the state of the plastic bag which is an embodiment of the present invention, (A) is a front view, (B) is a cross-sectional view.

Figure 2 shows a completed state of the plastic bag according to the first embodiment, (A) is a front view, (B) is a cross-sectional view.

Figure 3 is a preparatory stage of opening of the plastic bag according to a first embodiment shows, (A) is a front view, (B) is a cross-sectional view.

Figure 4 shows the opening condition of the plastic bag according to the first embodiment, (A) is a front view, (B) is a cross-sectional view. '

Figure 5 shows a plastic bag according to a second embodiment of the present invention, (A) is a front view, (B) is X- X sectional view, and (C) is Y- Y sectional view.

Figure 6 is a sectional view showing the opened state of the plastic bag according to a second embodiment. Figure 7 shows the extrusion process of the third plastic bag which is an embodiment of the present invention, (A), (B) are both. Cross section.

Figure 8 shows the brass tick bag fusing step which is a third embodiment, (A) is a sectional view, (B) is a front view.

Figure 9 is a front view showing a plastic bag according to a fourth embodiment of the present invention. The first 0 Figure is a perspective view showing an example of use of the brass tick bag according to a fourth embodiment.

The first Figure 1 'is a perspective view showing the opened state of the plastic bag is a fourth embodiment.

The first 2 figures Ru front view showing a plastic bag according to a fifth embodiment of the present invention.

The first 3 drawing shows a conventional plastic bag, (A) is a top view of a closed zipper, (B) is a top view of a state opening the zipper, (C) is a front view.

The first 4 is an explanatory diagram of a zipper consisting of a concave portion and the convex portion. BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the zipper plastic bag according to the present invention will be described with reference to attachments drawings.

(First Embodiment, see FIG. 1-FIG. 4)

A first zipper plastic bag 1 OA is an embodiment of the present invention in FIG. 1-FIG. 4.

The bag 1 0 A, as shown in FIG. 1, first, the two plastic films 1 1, 1 2 of both side portions: L 3, 1 3 and as indicated by the hatched edges of the upper side portion 1 4 welded in, the bag body.

The film 1 1, 1 2, weldable single material, or less composite material laminated with weldable material on the inner surface side is used. Further, Fi on the inner surface of Lum 1 1, 1 2 of the upper side portion 14, the zipper 5 molded integrally with the recess 7 and the convex portion 8 to the base part 6 of the plastic (for details, see FIG. 14) is It is welded. Note that this zipper 5 film 1 1, 1 2 and may be one that is integrally formed shape.

In the conventional plastic bags with zipper, although both sides portion 1 3, 1 3 are welded to the upper side portion 14 which zipper 5 is provided, in the engaged Ru bag 1 OA to the present invention , & both side portions 1 3, 1 3 of the upper region 1 3, 1 3 a is a non-welded portion.

Further, perforations 16 and smaller notch 1 7 is formed in the bag 1 OA of the upper side portion 14. The perforations 16 is for cutting the welded portions of the upper edge portion 14 upon opening the bag 1 OA, notch 1-7 is a part to start cut. Against the bag 1 OA shown in FIG. 1, and 揷入 contained goods P from the lower side portion 1 5 that is opened, as shown by hatching in FIG. 2, welding the lower side portion 1 5 . This Renite, upper region 1 3 a, 1 3 a is opened plastic bag 10 A zipper is completed. '

On the other hand, in the user receives the bag 1 OA that includes a receiving material P in the state shown in Figure 2. The bag 1 from OA to take out the stored item P, first, as shown in FIG. 3, cut along the weld portion of the upper portion 14 to the perforation 1 6, to open the bag 1 OA.

Next, as shown in FIG. 4, to release the engagement of the concave portion 7 and the convex portion 8 of the zipper 5, open the upper part 14 on both sides. This in bag 1 OA of the upper side portion 14 is widely opened is returned folded outward. In this state, it is possible to upper end taken out easily retract and product P which projects from the top portion 14, it is also possible to house again.

As mentioned above, the bag 1 OA is a first embodiment, since the both end portions of the upper side portion 14 is opened as a non-solvent adhesive portion, it is the this opening large despite the presence of the zipper 5 (FIG. 4 see), it is possible to output to put the stored item P of approximately the same width as the inner dimension D 1 of the quilt 1 OA.

Further, when the conventional width D of the bag is reduced, but it is difficult to open the upper side portion 1 4 is constrained to the stiffness of the zipper 5, the width D In the the bag 1 OA about 1 O mm It can also be opened there is.

Incidentally, in the bag 1 OA, welded portions and perforations 1 6 provided on the upper side portion 1 4 is not necessarily required and may be omitted. Further, if provided with a small hole in the welded portion of the upper portion 1 4, it can be used as a bag for display hanging items.

(Second Embodiment, see FIG. 5 and FIG. 6)

Figure 5 and showing a second embodiment zipper plastic bag 1 is in the form 0 B of the present invention in Figure 6.

The bag 1 0 B, as shown in FIG. 5, has basically the same configuration as the bag 1 OA shown as the first embodiment. Therefore, the same members, as those in the first FIG. Through fourth drawings are denoted a common code and the repeated description is omitted.

The characteristic feature in this bag 1 0 B, sandwiching the front and back of the film 1 1, 1 thermal adhesiveness least one between two plastic sheets 1 8, at least two housing inside of the bag 1 0 B chamber 1 9 a, is to divided into 1 9 b. As the sheet 1 8 may be used a plastic film, a nonwoven fabric, or the like foamed plastic sheet.

Figure 6, the bag 1 0 shows an opened state of the upper side portion 1 4 B, the upper end portion of the seat 1 8 is located above the zipper 5 folded back (concave 7 及 Pi protrusions 8), the large open apertures 2 0 a, 2 0 b from the respective storage chamber 1 9 a, 1 9 the stored items may be out separately. The bag 1 0 B, for example, can be used as a bag of two CD. Using a nonwoven fabric or foam plus tics sheet as the sheet 1 8, the sheet 1 8 it also acts as a buffer of the CD. Also, but it may also be used bag 1 0 transparent film 1 1 B, 1 2 as printing surface. (Third Embodiment, see FIGS. 7 and 8)

A seventh FIG 及 Pi third embodiment zipper plastic bag 1 is in the form 0 C of the manufacturing process of the present invention in FIG. 8.

First, as shown in FIG. 7 (A), together with the extruded from a die (not shown) of plastic film 3 0 into a tube, integral with the inner surface of the film 3 0 extruding the recesses 7 and the projections 8 constituting the zipper at the same time to project to. By adjusting the amount of air blown into the press and the resin amount and the tube issued from the die, it determines the size and the film 3 0 of the thickness of the bag. Next, the recess 7 and the convex portion 8 folded film 3 0 so that to face (see FIG. 7 (B)).

Thereafter, as shown the film 3 0 folded in FIG. 8 (B), while conveying by one step G in one direction (see arrow F), it is blown by a one-dot chain line H. Further, as the pre-process fusing the film 3 0 This, keep removing that portion to form a cut 3 1 to the upper side portion 1 4. To form a cut 3 1 is to open both ends of the upper side portion 1 4. It is also possible to form perforations in the upper portion 1 4. More zipper plastic bag 1 0 C produced by step, prior SL in the bag 1 OA basically shown a first embodiment all SANYO having the same configuration, the bag 1 OA effects thereof is the same as that.

(Fourth Embodiment, see Fig. 9 - 1st 1 Figure)

This zipper plastic bag 1 OD is a fourth embodiment is obtained so as to use TV, PCs, as storage bag code or Kepunore such appliances, such as audio.

That is, as shown in FIG. 9, the bag 1 OD is made of the same configuration in the bag 1 OA basically shown as the first embodiment, the same members as Fig. 1-Fig. 4, the portion subjected common reference numerals, and redundant description will be omitted.

Characteristic feature in the bag 1 OD is that the open portion by forming a 3 5-out relatively large cut-out at both ends of the upper side portion 1 4. Therefore, the bag 1 0 D, as shown in the first FIG. 1, can be opened fairly large upper portion 1 4.

TV, PC, on the back part of the audio surplus of cords and cables have been left disturbed Ri input. Therefore, excess code, the intermediate portion of the cable, as shown in the first 0 figure, and this drawn from the notch 3 5 accommodates the bag 1 OD, the electrical connection state cords and cables it can be kept together in a compact while maintaining.

Further, small holes 3 6 is formed in the welded portion of the lower side portion 1 5 of the bag 1 0 D. The small holes 3 6 is intended for hanging the bag 1 OD hooking the projection of pillars and walls.

Incidentally, in the bag 1 OD, if a gusset known to lower portion 1 5 conventionally, it is possible to construct a bottom wider.

(Fifth Embodiment, see the first 2 Figure ')

Shows a fifth embodiment in which a zipper plastic bag 1 0 E of the present invention in the first 2 FIG.

The bag 1 0 E basically has the same configuration as the bag 1 OA shown as the first embodiment. Therefore, given the No. common marks the same members, as those in the first FIG. Through fourth figure duplicate description is omitted.

The characteristic feature in this bag 1 0 E, the front and back of the film 1 1, 1 forming a 2 in the longitudinal direction linear welded portions 4 1, 4 1 (portion shown by oblique lines), the interior of the bag 1 OE independent three storage room 4 2 a, 4 2 b, 4 lies in the formation of the 2 c.

Effect of the bag 1 0 E is the same as the bag 1 OA, and can selectively use independent housing chamber 4 2 a, 4 2 b, 4 2 c.

(Other embodiments)

Incidentally, zipper plastic bag according to the present invention is not shall be limited to the embodiments can be changed in various ways within the scope of the invention. In particular, the cross-sectional shape of the convex portion Ya recess formed in the base portion of the zipper Ru optionally der. As the bag making method with respect to the bag body is arbitrary and can be appropriately sized to suit the application. ■

Further, combining the second and fifth embodiments may be a greater number of storage chamber plastic bag equipped with.

Claims

The scope of the claims
1. The inner surface of the upper side opening of the bag made of plastic film, in plastic bags with a fitting Z releasable zipper consisting of a concave portion and the convex portion, the bag is at least its both side portions welded or blown is, the region where both end portions are positioned in thickness the zipper at both side portions of the bag is that it is a Hi溶 attachment part,
Plastic bag and said.
2. The inner surface of the upper side opening of the bag made of plastic film, in plastic bags with a fitting Z releasable zipper consisting of a concave portion and the convex portion, the bag is at least its both side portions welded or it is blown and, the opposite ends of the zipper a both side portions of the bag is cut out region located,
Plastic bag and said.
3. To claim 1 or claim 2, characterized in that at least one heat-fusible plastic sheet is sandwiched by a plurality of chambers are formed between the front film and back film constituting the bag body plastic bag described.
4. Plastic bag of claim 3 wherein the heat fusible plastic sheet, which is a non-woven fabric or foam plastic sheet.
5. The upper opening side end of the sandwiched heat fusible plastic sheet, according to claim 3 or top side opening and being located outward from the zipper when it is opened plastic bag according to claim 4.
6. Table films and back films forming the bag body be also claim 1, characterized in that a plurality of chambers are formed by being dissolved wear linearly in the longitudinal direction according to claim 2 the plastic bag.
PCT/JP2003/010674 2003-08-22 2003-08-22 Plastic bag with zipper WO2005019052A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/010674 WO2005019052A1 (en) 2003-08-22 2003-08-22 Plastic bag with zipper

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN 03826942 CN1819953A (en) 2003-08-22 2003-08-22 Plastic bag with zipper
US10568744 US20060239594A1 (en) 2003-08-22 2003-08-22 Plastic bag with zipper
AU2003261709A AU2003261709A1 (en) 2003-08-22 2003-08-22 Plastic bag with zipper
PCT/JP2003/010674 WO2005019052A1 (en) 2003-08-22 2003-08-22 Plastic bag with zipper
JP2005508194A JPWO2005019052A1 (en) 2003-08-22 2003-08-22 Plastic bag with zipper

Publications (1)

Publication Number Publication Date
WO2005019052A1 true true WO2005019052A1 (en) 2005-03-03

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ID=34204215

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/010674 WO2005019052A1 (en) 2003-08-22 2003-08-22 Plastic bag with zipper

Country Status (4)

Country Link
US (1) US20060239594A1 (en)
JP (1) JPWO2005019052A1 (en)
CN (1) CN1819953A (en)
WO (1) WO2005019052A1 (en)

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JP2006256664A (en) * 2005-03-18 2006-09-28 Seiko Shokai:Kk Packaging bag
WO2009023574A2 (en) * 2007-08-10 2009-02-19 Esselte Corporation Stack carrier

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US6962439B2 (en) * 2002-03-08 2005-11-08 The Bagco, Inc. Leak resistant tamper evident reclosable plastic bag
US20030219173A1 (en) * 2002-05-23 2003-11-27 Schneider John H. Tamper-evident package and method to make such a package
US8070359B2 (en) 2007-05-15 2011-12-06 Thunderbird Global Enterprises, Llc Plastic bag with pour spout and reinforced bottom end
CA2776963C (en) 2009-10-08 2014-07-29 Illinois Tool Works Inc. Carton with plastic reclosable header
WO2013019619A1 (en) * 2011-07-29 2013-02-07 Illinois Tool Works Inc. Tamper/child resistant bag
CN104648773A (en) * 2013-11-22 2015-05-27 常熟市常隆包装有限公司 Packaging box

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Publication number Priority date Publication date Assignee Title
JP2006256664A (en) * 2005-03-18 2006-09-28 Seiko Shokai:Kk Packaging bag
WO2009023574A2 (en) * 2007-08-10 2009-02-19 Esselte Corporation Stack carrier
WO2009023574A3 (en) * 2007-08-10 2009-04-23 Esselte Corp Stack carrier
US8317395B2 (en) 2007-08-10 2012-11-27 Esselte Corporation Stack carrier

Also Published As

Publication number Publication date Type
JPWO2005019052A1 (en) 2006-10-19 application
CN1819953A (en) 2006-08-16 application
US20060239594A1 (en) 2006-10-26 application

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