EP3006364A1 - Child-resistant zipper and packaging bag incorporating said zipper - Google Patents
Child-resistant zipper and packaging bag incorporating said zipper Download PDFInfo
- Publication number
- EP3006364A1 EP3006364A1 EP15184012.1A EP15184012A EP3006364A1 EP 3006364 A1 EP3006364 A1 EP 3006364A1 EP 15184012 A EP15184012 A EP 15184012A EP 3006364 A1 EP3006364 A1 EP 3006364A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fit
- zipper
- engagement
- opening
- packaging bag
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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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
- 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
- B65D33/2566—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 using two or more independently operable slide fasteners
-
- 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
- B65D33/2541—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 characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape
- B65D33/2558—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 characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape the slide fastener having a non-constant section throughout the length of the fastener, e.g. slightly undulated interlocking members or castellated stringers
-
- 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
- B65D2215/00—Child-proof means
- B65D2215/04—Child-proof means requiring the combination of different actions in succession
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
Abstract
Description
- The present invention relates to a child-resistant zipper and a packaging bag incorporating such a zipper to prevent unwanted opening of the zipper, for example, by a child, etc., but which is readily opened by predetermined procedures.
- The term "child-resistant" refers to a function/mechanism by means of which it is possible to prevent an object from being easily manipulated, for example, by a child or other similar individual. Due to this function, a child is hindered or prevented, for example, from tampering with a lighter, and from easily opening a container of medicine, etc.
- On the other hand, a packaging bag including a sealing zipper can be easily opened and closed, and may be used for various packaging purposes. For example, the packaging bag disclosed in Japanese Patent Application No.
3655104 - Although there has been proposed a zipper suitable for the packaging of food to be cooked by heating as disclosed in Japanese Patent Application No.
3655104 - Thus, in a case where something which has to be prevented from being accidentally ingested by a child is included in a packaging bag equipped with a zipper, control of the packaging bag requires careful monitoring. Thus, there is a need for a child-resistant zipper for use in a packaging bag that is difficult for a child to open.
- The present invention has been made with a view toward solving at least one of the above problems.
- In a first aspect according to the present invention, there is provided a zipper unit equipped with a pair of adhesion band members for adherence to opposing inner side surfaces of an opening of a packaging bag , and a fit-engagement body configured to releasably engage opposing surfaces of the adhesion band members, wherein the fit-engagement body comprises a sealing zipper which releasably engages the inner side surfaces of the opening of the bag in a sealed state which is released with the opening operation of the opening of the packaging bag ; and a locking zipper comprising a first fit-engagement portion with at least one fit-engagement protrusion, and a second fit-engagement portion with at least one fit-engagement recess, wherein the first and second fit-engagement portions are on opposing surfaces of the fit engagement body and the fit-engagement protrusion and recess are adapted to releasably engage the first and second fit-engagement portions in a locked state, the locking zipper also comprising a releasing cutout portion provided in the fit-engagement body, wherein engagement of the fit-engaging protrusion and recess is released from the releasing cutout portion to unlock the locking zipper, wherein the locking zipper and the sealing zipper are arranged on the inner side surfaces of the opening of the bag.
- In one embodiment, there is provided a zipper unit, wherein, in the locking zipper , a plurality of releasing cutout portions are alternately provided along the first and second fit-engagement portions between protrusions and recesses, respectively, and wherein the locked state of the locking zipper is released when engaged fit-engagement protrusions and fit-engagement recesses are caused to slide oppositely toward an adjacent releasing cutout portion.
- In another embodiment, there is provided a zipper unit, wherein, in the locking zipper, the releasing cutout portion is provided at an end portion of the fit-engagement body, and the locked state of the locking zipper is released by inserting a finger into the releasing cutout portion.
- In another aspect of the invention, there is provided a packaging bag with a zipper unit equipped with a pair of adhesion band members adhered to inner opposing side surfaces of an opening of the packaging bag, and a fit-engagement body configured to releasably engage opposing surfaces of the adhesion band members, wherein the fit engagement body comprises: a sealing zipper which releasably engages the inner side surfaces of the opening P1 in a sealed state which is released with the opening operation of the opening of the packaging bag; and a locking zipper comprising a first fit-engagement portion with at least one fit-engagement protrusion, and a second fit-engagement portion with at least one fit-engagement recess, wherein the first and second fit-engagement portions are on opposing surfaces of the fit engagement body and the fit-engagement protrusion and recess are adapted to releasably engage the first and second fit-engagement portions in a locked state, the locking zipper also comprising releasing cutout portions provided in the fit-engagement body , wherein engagement of the fit-engaging protrusion and recess is released from a releasing cutout portion , wherein the releasing cutout portions are alternately provided along the first and second fit-engagement portions between protrusions and recesses, respectively, and the locked state of the locking zipper is released when engaged fit-engagement protrusions and recesses are caused to slide oppositely toward the adjacent releasing cutout portion, and wherein the locking zipper is provided as the first zipper at the opening of the packaging bag , and the sealing zipper is provided as the second zipper accessible when the locking zipper is released.
- In an embodiment, there is provided a zipper packaging bag provided with a zipper unit equipped with a pair of adhesion band members adhered to inner opposing side surfaces of an opening of a packaging bag, and a fit-engagement body configured to releasably engage opposing surfaces of the adhesion band members, wherein the fit engagement body comprises : a sealing zipper which releasably engages the inner side surfaces of the opening in a sealed state which is released with the opening operation of the opening of the packaging bag; and a locking zipper comprising a first fit-engagement portion with at least one fit-engagement protrusion, and a second fit-engagement portion with at least one fit-engagement recess, wherein the first and second fit-engagement portions are on opposing surfaces of the fit engagement body and the fit-engagement protrusion and recess are adapted to releasably engage the first and second fit-engagement portions in a locked state, the locking zipper also comprising a releasing cutout portion provided in the fit-engagement body, wherein engagement of the fit-engaging protrusion and recess is released from the releasing cutout portion , wherein the releasing cutout portion is provided at a longitudinal end portion of the fit-engagement body , the locked state of the locking zipper is released by inserting a finger into the releasing cutout portion, and wherein the locking zipper is provided as the first zipper at the opening of the packaging bag , and the sealing zipper is provided as the second zipper accessible by the release of the locking zipper.
- The zipper unit according to an embodiment of the present invention, for use in a packaging bag, incorporates a locking zipper which has a fit-engagement strength that is greater or stronger than the fit-engagement strength of the sealing zipper. The locking zipper includes a releasing cutout portion formed within part of the fit-engagement body , and the locked state of the locking zipper is released from the releasing cutout portion, whereby, even when the opening of the packaging bag is opened at the sealing zipper, the locking zipper is not released or unlocked, but can be opened from the releasing cutout portion making the opening of the locking zipper difficult for opening by a child, or other similar individual.
- The locking zipper is formed such that protrusions and recesses formed in the fit-engagement body and releasing cutout portions are alternately provided along the fit-engagement body, and that fit-engaged protrusions and recesses of the fit-engaged fit-engagement body are released from engagement when respectively caused to slide oppositely toward the adjacent releasing cutout portion. Thus, if one tries to open the packaging bag, the locking zipper will not open, thereby hindering opening of packaging bag by a child.
- The releasing cutout portion may be provided at a longitudinal end portion of the fit-engagement body and the fit-engaged portions of the fit-engagement body are opened or released from engagement by inserting a finger into the releasing cutout portion. Thus, if one tries to open the packaging bag , the locking zipper will not open. As a result, the packaging bag hinders opening by a child.
- It is possible to provide various packaging bags with a locking zipper as herein described to render the opening of the packaging bags to be child-resistant. Furthermore, when the locking zipper is released from its locked state and opened, the sealing zipper is readily opened through the opening operation of the packaging bag in a normal manner.
-
-
Fig. 1 is a front view of an embodiment of the present invention. -
Fig. 2 is a side sectional view taken along arrow line II-II ofFig. 1 . -
Fig. 3 is a side sectional view showing a lock structure when the opening is widened. -
Fig. 4 is a front view of another embodiment of the present invention. -
Fig. 5 is a side sectional view taken along arrow line V-V ofFig. 4 . - In one embodiment of the present invention, a zipper unit, for example, a polyethylene or polypropylene zipper unit, is provided having a fit-
engagement body 2 comprising first and second fit-engagement portions which may be releasably fit-engaged; basically, the zipper is formed by the adhesion band members 1 and the fit-engagement portions ofbody 2 protruding therefrom; due to the fit-engagement strength of the fit-engagement portions ofbody 2, the opening P1 of the packaging bag P may be releasably engaged (SeeFigs. 1 and4 ) . - The adhesion band members 1 are band-like members for adherence to the opposing inner sides of the opening P1 of, for example, a packaging bag P, e.g. a polyethylene or polypropylene bag (See
Fig. 1 ). The first fit-engagement portion of fit-engagement body 2 comprises fit-engagement protrusions 2A and the second fit-engagement portion comprises fit-engagement recesses 2B provided on the opposing surfaces of the fit-engagement body 2 and permit the band-like bodies 1 to be fit-engaged with each other. - In an embodiment of the present invention, a zipper unit is provided comprising two kinds of zippers: the
locking zipper 10 and the sealing zipper 20 (SeeFigs. 1 and4 ). Thesealing zipper 20 is a zipper for releasably engaging the opposing inner side surfaces of the opening P1 of bag P to each other in a sealed state; it is a zipper of a general type in which the fit-engaged fit-engagement body 2 (e.g. the engagement of first and second portions of the fit-engagement body 2) is opened or released with the opening operation of the opening P1 of the packaging bag P. - The
locking zipper 10 is a zipper in which the fit-engagement the first and second portions of the fit-engagement body 2 is stronger than that of thesealing zipper 20; it is provided so as to be difficult to open through the opening operation of the opening P1 of the packaging bag P. Furthermore, at least one releasingcutout portion 3 is provided in a part of the fit-engagement body 2 (SeeFigs. 1 and4 ). This releasingcutout portion 3 is provided so as to open or release the locked state of the locking zipper 10 (e.g. the engagement of first and second portions of the fit-engaged fit-engagement body 2 by the locking zipper 10). - In the
locking zipper 10 shown inFigs. 1 through 3 , the fit-engagement portions ofbody 2 comprises a plurality of releasingcutout portions 3 alternately provided with fit-engagement recesses 2B andprotrusions 2A along the longitudinal direction of the fit-engagement body 2 (SeeFig. 3(A) ). And, when the fit-engagement protrusion 2A and the fit-engagement recess 2B in the fit-engaged state are caused to slide oppositely in the direction of the adjacent releasing cutout portion 3 (SeeFig. 3(B) ), the fit-engagement body 2 is opened or released from its locked state (SeeFig. 3(C) ). Although a large number of releasingcutout portions 3 are provided along the fit-engagement body 2 in the drawings, the number and interval of the releasingcutout portions 3 are not restricted to those shown but can be set arbitrarily from at least 1 to a plurality. - In the
locking zipper 10 shown in the embodiment ofFigs. 4 and5 , the releasingcutout portion 3E is provided at a longitudinal end portion of the fit-engagement body; by inserting a finger into the releasingcutout portion 3E, the fit-engagement state of the fit-engagement body 2 is released. That is, by inserting a fingertip into the releasingcutout portion 3E, it is possible to forcibly open, e.g. disengage the fit-engagement body 2 by disengaging the engagement between recesses and protrusions of first and second fit engagement portions. Although, in the shown example, the releasingcutout portions 3E are provided at both longitudinal end portions of the fit-engagement body 2, it is also possible to provide the releasingcutout portion 3E solely at one side of the end portions. Furthermore, apart from forming the releasingcutout portion 3E in a width allowing insertion of a fingertip, it is also possible to form the releasingcutout portion 3 by cutting out a part of the fit-engagement body 2. Thus, a releasingcutout portion 3E permits opening of the fit-engagement body 2 with a fingertip, or other means. - The packaging bag P of an embodiment of the present invention is a packaging bag P provided with zippers releasably engaging the opening P1 by the fit-engagement strength of the fit-engagement body 2 (See
Figs. 1 and4 ). That is, the present invention provides a zipper unit and packaging bag P incorporating a zipper unit comprising alocking zipper 10 and asealing zipper 20 at the opening P1. - Thus, the
locking zipper 10 may be selected from a locking zipper as defined herein, such as alocking zipper 10 shown inFig. 1 or alocking zipper 10 shown inFig. 4 . Regarding thesealing zipper 20, any type of conventionally used sealing zippers are sufficient. - Preferably, by providing the
locking zipper 10 as the first zipper at the opening P1 of the packaging bag P, the opening of the packaging bag by a child is hindered (SeeFigs. 1 ,2 and5 ). Furthermore, by providing thesealing zipper 20 as the second zipper, closest to the inside P2 of the packaging bag P, and accessed only by opening or releasinglocking zipper 10, the packaging bag P is sealed. Although, in the shown examples, thelocking zipper 10 and thesealing zipper 20 are separately provided, these may also be provided integrally. - The zipper unit described herein is applicable to all packaging bags in which both a
locking zipper 10 and thesealing zipper 20 are concurrently used at the opening P1. Thus, in addition to the flat bag as shown in the drawings, the packaging bag of the present invention may be gusseted bags of various types, including, but limited to, bottom gusset or side gusset bags, with or without a flat-bottom configuration. Further, regarding the configuration, structure, size, contents, etc., of the packaging bag P, various modifications are possible. -
- P:
- Packaging bag
- P1:
- Opening
- P2:
- the inside of the packaging bag
- 1:
- Adhesion band member
- 2:
- Fit-engagement body
- 2A:
- Fit-engagement protrusion
- 2B:
- Fit-engagement recess
- 3:
- Releasing cutout portion
- 10:
- Locking zipper
- 20:
- Sealing zipper
Claims (5)
- A child-resistant zipper unit comprising a pair of adhesion band members for adherence to opposing inner side surfaces of an opening of a packaging bag, and a fit-engagement body configured to releasably engage opposing surfaces of the adhesion band members,
wherein the fit-engagement body comprises: a sealing zipper which releasably engages the inner side surfaces of the opening in a sealed state which is released with the opening operation of the opening of a packaging bag; and
a locking zipper comprising a first fit-engagement portion with at least one fit-engagement protrusion, and a second fit-engagement portion with at least one fit-engagement recess, wherein the first and second fit-engagement portions are on opposing surfaces of the fit engagement body and the fit-engagement protrusion and recess are adapted to releasably engage the first and second fit-engagement portions in a locked state, the locking zipper also comprising a releasing cutout portion provided in the fit-engagement body, wherein engagement of the fit-engaging protrusion and recess is released from the releasing cutout portion to unlock the locking zipper,
wherein the locking zipper and the sealing zipper are arranged parallel to the inner side surfaces of the opening. - The zipper unit according to Claim 1, wherein, in the locking zipper, a plurality of releasing cutout portions are alternately provided along first and second fit-engagement portions between the protrusions and recesses, respectively, and wherein the locked state of the locking zipper is released when the engaged fit-engagement protrusions and a fit-engagement recesses are caused to slide oppositely toward an adjacent releasing cutout portion.
- The zipper unit according to Claim 1, wherein, in the locking zipper, the releasing cutout portion is provided at an end portion of the fit-engagement body, and the locked state of the locking zipper is released by inserting a finger into the releasing cutout portion.
- A zipper packaging bag provided with a zipper unit comprising a pair of adhesion band members adhered to inner opposing side surfaces of an opening of the packaging bag, and a fit-engagement body configured to releasably engage opposing surfaces of the adhesion band members,
wherein the fit engagement body comprises a sealing zipper which releasably engages the inner side surfaces of the opening in a sealed state which is released with the opening operation of the opening of the packaging bag; and a locking zipper comprising a first fit-engagement portion with at least one fit-engagement protrusion, and a second fit-engagement portion with at least one fit-engagement recess, wherein the first and second fit-engagement portions are on opposing surfaces of the fit engagement body and the fit-engagement protrusion and recess are adapted to releasably engage the first and second fit-engagement portions in a locked state, the locking zipper also comprising releasing cutout portions provided in the fit-engagement body, wherein engagement of the fit-engaging protrusion and recess is released from the releasing cutout portion,
wherein releasing cutout portions are alternately provided along the first and second fit-engagement portions between the protrusions and recesses, respectively, and locked state of the locking zipper is released when engaged fit-engagement protrusions and the fit-engagement recesses are caused to slide oppositely toward the adjacent releasing cutout portion, and
wherein the locking zipper is provided as the first zipper at the opening of the packaging bag, and the sealing zipper is provided as the second zipper accessible on release of the locking zipper. - A zipper packaging bag provided with a zipper unit comprising a pair of adhesion band members adhered to inner opposing side surfaces of an opening of a packaging bag, and a fit-engagement body configured to releasably engage opposing surfaces of the adhesion band members,
wherein the fit engagement body comprises a sealing zipper which releasably engages the inner side surfaces of the opening in a sealed state and which is released with the opening operation of the opening of the packaging bag; and a locking zipper comprising a first fit-engagement portion with at least one fit-engagement protrusion, and a second fit-engagement portion with at least one fit-engagement recess, wherein the first and second fit-engagement portions are on opposing surfaces of the fit engagement body and the fit-engagement protrusion and recess are adapted to releasably engage the first and second fit-engagement portions in a locked state, the locking zipper also comprising a releasing cutout portion provided in the fit-engagement body, wherein engagement of the fit-engagingprotrusion and recess is released from the releasing cutout portion,
wherein the releasing cutout portion is provided at a longitudinal end portion of the fit-engagement body, and the locked state of the locking zipper is released by inserting a finger into the releasing cutout portion, and
wherein the locking zipper is provided as the first zipper at the opening of the packaging bag, and the sealing zipper is provided as the second zipper accessible when the locking zipper is released.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15184012T PL3006364T3 (en) | 2014-10-09 | 2015-09-07 | Child-resistant zipper and packaging bag incorporating said zipper |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014207812A JP6379003B2 (en) | 2014-10-09 | 2014-10-09 | Chuck with child resistance function and packaging bag with chuck |
CA2891831A CA2891831C (en) | 2014-10-09 | 2015-05-12 | Child-resistant zipper and packaging bag incorporating said zipper |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3006364A1 true EP3006364A1 (en) | 2016-04-13 |
EP3006364B1 EP3006364B1 (en) | 2018-08-15 |
Family
ID=54065752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15184012.1A Not-in-force EP3006364B1 (en) | 2014-10-09 | 2015-09-07 | Child-resistant zipper and packaging bag incorporating said zipper |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3006364B1 (en) |
PL (1) | PL3006364T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112638785A (en) * | 2018-06-29 | 2021-04-09 | 伊利诺斯工具制品有限公司 | Child resistant zipper closure |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5878468A (en) * | 1996-05-22 | 1999-03-09 | Reynolds Consumer Products, Inc. | Closure arrangement for reclosable bag and method thereof |
JP3655104B2 (en) | 1998-08-26 | 2005-06-02 | 株式会社生産日本社 | Synthetic plastic bag with zipper |
US20060168776A1 (en) * | 2005-01-31 | 2006-08-03 | Dais Brian C | Pouch and resealable closure mechanism therefor including a plurality of interlocking closure elements |
-
2015
- 2015-09-07 PL PL15184012T patent/PL3006364T3/en unknown
- 2015-09-07 EP EP15184012.1A patent/EP3006364B1/en not_active Not-in-force
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5878468A (en) * | 1996-05-22 | 1999-03-09 | Reynolds Consumer Products, Inc. | Closure arrangement for reclosable bag and method thereof |
JP3655104B2 (en) | 1998-08-26 | 2005-06-02 | 株式会社生産日本社 | Synthetic plastic bag with zipper |
US20060168776A1 (en) * | 2005-01-31 | 2006-08-03 | Dais Brian C | Pouch and resealable closure mechanism therefor including a plurality of interlocking closure elements |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112638785A (en) * | 2018-06-29 | 2021-04-09 | 伊利诺斯工具制品有限公司 | Child resistant zipper closure |
CN112638785B (en) * | 2018-06-29 | 2022-12-23 | 伊利诺斯工具制品有限公司 | Child resistant zipper closure |
Also Published As
Publication number | Publication date |
---|---|
EP3006364B1 (en) | 2018-08-15 |
PL3006364T3 (en) | 2019-01-31 |
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